bluuebunny/crossref_metadata_2025 huggingface dataset:
Cold plasma-treated titanium surfaces coated with polydopamine/copper resist endotoxin-induced surface oxidation and the promotion of tissue healing
Authors:   , Vijay Renjini
Published: May 2023

Titanium corrosion is one of the leading causes of implant failure, and researchers are working to avoid it by surface modification using different materials. This thesis investigates the advantages of surface modification using cold atmospheric plasma and copper and polydopamine coating. Cold atmospheric plasma aids in surface modification by increasing the adhesion of polydopamine and copper. This treatment's synergistic impact served to reduce corrosion of the modified titanium surface, as stated in this thesis.
The alignment between educating for gross national happiness and inclusive education in the Bhutanese education system
Authors:   , Zangmo Zinpai
Published: May 2023

This thesis is a study of how Inclusive Education (IE) aligns with the educational mandate of Educating for Gross National Happiness (EGNH) within the Bhutanese education system. Using Bourdieu’s three conceptual tools of field, capital and habitus the perspectives of school principals and teachers were gathered. The findings demonstrated an alignment in the policy and practice of the principals and teachers. Differences were in the prescribed values accorded, the approach taken towards applying the policies within the schools and a focus on individual versus national identity in meeting the challenges of IE in Bhutanese education.
Una Mirada Crítica sobre las Cadenas Globales de Valor: globalización y competencia en el capitalismo contemporáneo. El caso de la industria automotriz.
Authors: Starosta Guido , Fitzsimons Alejandro
Published: May 2023

Este artículo muestra que la "ley marxiana del valor" puede ofercer fundamentos sólidos para la comprensión de la constitución y dinámica de las Cadenas Globales de Valor (CGV). Se establece así una conexión firme entre las dinámicas intra-industriales y la dinámica general del "sistema como un todo", que es precisamente donde reside la mayor debilidad del enfoque de CGV. Estas ideas se muestran luego a través de una discusión más empírica de las transformaciones recientes de la composición y estructura de gobernanza de las CGV, resultantes de la creciente separación entre innovación y fabricación, y el surgimiento de proveedores globales altamente concentrados. Se ilustra esos fenómenos mediante el caso de estudio de la industria automotriz.
Retos y desafíos de las cadenas globales de valor
Authors: Fana Marta , Villani Davide
Published: May 2023

Este articulo discute algunas cuestiones recientes acerca de la evolución de las cadenas globales de valor (CGV). En particular, se analizan el rol que la evolución reciente de los costos laborales, factores institucionales y tecnológicos pueden jugar en la modificación del mapa de comercio y producción global. Además, el artículo se centra en la relación entre CGV y mercado laboral, sosteniendo que esta dimensión de análisis es clave para entender a fondo las consecuencias de la reorientación productiva y que, sin embargo, queda en gran parte inexplorada en la literatura.
Documentos normativos e a práxis inclusiva na perspectiva freireana: aproximações e distanciamentos
Authors: Avanze Andréa da Silva , Monteiro Bernard Martins , Santin Solane Cristina Felicetti
Published: May 2023

O presente artigo problematiza a previsão normativa de documentos relativos à inclusão e a práxis na perspectiva freireana procurando discutir as aproximações e distanciamentos entre os documentos normativos de inclusão e as práticas de aprendizagem escolar segundo a teoria freireana. Para tanto, adotou-se a revisão bibliográfica como procedimento metodológico. Da avaliação, emergem dois eixos: aproximações entre documentos normativos de inclusão e as práticas de aprendizagem segundo a teoria freireana; distanciamento entre documentos normativos de inclusão e as práticas de aprendizagem segundo a teoria freireana. O primeiro eixo está mais presente nos documentos e divide-se em dois grupos: o Protagonismo e a Participação, dois pressupostos freireanos. O segundo eixo, aparece de forma mais sutil e associa-se à educação bancária combatida por Freire. Pode-se considerar que o nível de aproximação entre os documentos normativos de inclusão e a teoria freireana não reverbera na práxis educativa escolar concreta, o que remete à fragilidade formativa dos profissionais. Considera-se profícuo que se revisite a formação inicial e continuada de profissionais da educação para inclusão, bem como que se aplique rigorosamente o previsto nos documentos normativos e leve-se em consideração os saberes de todas as pessoas envolvidas no processo de inclusão na formulação de políticas públicas de inclusão.
O binômio teoria-prática na formação inicial de futuros docentes: relato de experiência do Programa Residência Pedagógica
Authors: Ribeiro Raimunda Maria da Cunha
Published: May 2023

O Programa Residência Pedagógica é uma iniciativa do governo federal, sob a governança da Coordenação e Aperfeiçoamento de Pessoal de Nível Superior (Capes). A finalidade do programa reside em fomentar projetos institucionais voltados exclusivamente à formação inicial de professores da educação básica nos cursos de licenciatura. Este texto traz consigo o seguinte objetivo: apresentar um relato da experiência realizada no âmbito do Programa Residência Pedagógica, vinculado à Universidade Estadual do Piauí (UESPI), no curso de Pedagogia do Campus Jesualdo Cavalcanti, na área da Alfabetização. Composição do núcleo do subprojeto: 1 coordenadora de área (docente da UESPI); 1 preceptor (professor da rede municipal de ensino público); 8 residentes (alunos do curso de pedagogia da UESPI). A carga horária total foi de 414 horas, distribuídas em três módulos, planejados e executados, considerando níveis crescentes de complexidade. Os resultados dessa experiência nos possibilita tecer algumas considerações: a formação do licenciando, considerando o vínculo entre a teoria e a prática; o incentivo e valorização do professor alfabetizador; a promoção de ações nas escolas-campo, com o apoio da equipe gestora e da equipe docente, de incentivo à aprendizagem e desenvolvimento da criança da educação infantil; o estímulo, por meio de atividades diárias e projetos de leitura, para a melhoria do processo de alfabetização e para a formação de uma educação literária.
Differences in Service Position Against Service Accuracy in Volleyball
Authors: Hiskya Hendra Jondry , Dwi Kuswoyo Dilli , Umakaapa Muktamar
Published: May 2023

Purpose study. This study aims to find out the difference between serving for volleyball from behind position one, serving from behind position six, and serving from behind position five for UKM Volleyball UNMUS players, also to find out which is more effective between serving from behind position one. serving from behind position six, and serving from position five on top serving ability.
Materials and methods. The subjects of this study were 21 UNMUS volleyball players. Data collection uses tests, with instruments in the form of service accuracy tests carried out from the right, left and center positions. The t-value for service accuracy between the right position and the left position is 0.225 and the calculated significant value (Sig) is 0.824. The t value for service accuracy between the right position and the middle position is 0.846 and the calculated significant value (Sig) is 0.407. The t value for service accuracy between the left position and the middle position is 1.091 and the calculated significant value (Sig) is 0.288. The data analysis technique uses ANOVA analysis and t-test through the prerequisite test for normality and homogeneity.
Results. The results showed that there was no significant difference in the accuracy of the top serve from different positions, namely from the right, left and center positions. In detail, there is no significant difference in the accuracy of services performed from the right and left positions, the accuracy of services performed from the right and center positions, the accuracy of services performed from the left and center positions.
Conclusions. Research results conclude that No There is significant difference accuracy service performed from position left and position in the middle of UKM Musamus Merauke University Volleyball players.
More girls are accessing school, but are they achieving? The factors influencing girls' mathematics achievement in Pakistan
Authors: Karn Sumit , Chin Mia , Churiwal Vandita , Henderson Chris J , Sanjeev Shreya
Published: May 2023

Although primary school enrollment in Pakistan has increased in the last two decades, schooling quality for girls and boys remains a central challenge. Furthermore, strides made toward gender parity are yet to address pervasive inequities in schooling outcomes. To provide insight on this matter, this paper interrogates girls' achievement in mathematics within the broader context of girls' access to quality schooling, asking: to what extent does gender influence mathematical achievement among grade four students in Pakistan? Building on Sen and Nussbaum’s 'capability approach' and 'freedom as development' frameworks, we explore the extent to which girls' educational achievement represents what Nussbaum defines as 'instrumental freedom.' We conducted an OLS regression to analyze Pakistan’s TIMSS 2019 data to examine the effect of gender on mathematical achievement. Results show that despite overall inequity in access to education for female students, girls outperform boys. However, while mathematics achievement might contribute to instrumental freedoms via the attainment of numeracy, discriminatory gender norms deny a vast majority of Pakistan's girls and young women the substantive freedoms central to their development. In Pakistan, the reality that young women are still 75 percent more likely to be disengaged from further education or employment presents a missed opportunity and significant cause for concern
Education as an international export
Authors: Hollis Stefano
Published: May 2023

A growing portion of international schools are franchised branches of schools originally founded in other countries. The first of such schools opened in 1996 and there are now almost 100 globally. Expansionist schools are primarily elite, English private schools, with concentrations of their franchises developing in the Middle East, Southeast Asia, and East Asia over the past quarter of a century—particularly in mainland China over the past decade. This study explores how such schools adapt the language and focus of their marketing and, in doing so, sustain their privilege across various contexts. A qualitative textual analysis is conducted of the websites of 11 schools run by Dulwich College and Harrow School, the first brands to expand overseas and with the most extensive networks of schools today. A lens of international schools as enclosures of privilege is used to demonstrate how schools adapt themselves and their framing. The study finds the promotional focus of the schools depends not just on whether they are the founding school or a franchise, but also on their relative ages, and on their varying locations within specific sociocultural contexts. An emergent hybrid model, catering to both local and international curricula, blends the local with the global and complicates the conventional notion of the international school. Finally, the study suggests that further research is focused on the franchising of elite education, particularly as the focal point of expansion begins to shift away from the mainland Chinese boom of the past decade.
Primary school learning in sub-Saharan Africa during COVID-19: a scoping review of responses and recovery initiatives induced during school closures
Authors: Wawire Brenda , Barnes-Story Adrienne , Kiru Elisheba , Kim Sungkyum
Published: May 2023

Globally, the COVID-19 pandemic caused unprecedented disruptions in education. School closures quickly followed the onset of the pandemic to contain the spread of the virus, forcing millions of students out of their regular academic calendars. Countries put in place interventions aimed to reduce the deleterious effects of school closures and disruptions in learning. For instance, many countries used various mediums to provide students with distance learning. This scoping review examines the interventions that education systems in low- and middle-income Sub-Saharan African (SSA) countries (LMIC) implemented to mitigate learning loss in reading and writing skills among early grade learners (i.e., children attending primary schools) and discusses the reach of those programs. This review highlights the proportion of students reached by the targeted mitigation measures, revealing that LMIC countries in SSA provided students with remote learning opportunities through radio and television programming, provided teachers with professional development on the use of novel tools, and provided parents and families with support to help learners at home. However, these disruptions affected the traditional assessment methods. Various assessment methods were implemented to measure student progress, but there is a need for appropriate progress monitoring tools and accurate data to measure the effectiveness of the interventions. Many LMIC implemented Return-to-School policy frameworks, processes, and principles that ensured safe learning continuity.
Blended Learning as an Instructional Method for Children with Intellectual Disabilities in Punjab, Pakistan
Authors: Rehman Misbah , Noor Hina , Nazir Muhammad Imran , Waqar Misbah
Published: May 2023

Numerous innovative teaching and learning techniques, such as e-learning and online learning, have emerged as a result of science and technology's quick development. The digital age, the speedy progression of technology, and other web-based communication technologies have made it possible for educators to create perfect learning environments that might satisfy many students' requirements. Novelty in technology makes it possible for education to extend outside of the classroom and gives students easier access to a variety of educational resources. The study's aim was to explore the use of blended learning instructional methods for children with intellectual disabilities and to what extent teachers of children with intellectual disabilities know about blended learning instructional methods. The population of the study was all teachers of special education working in government and semi-government institutes of Punjab. A Snowball sampling technique was used. A questionnaire was developed as a tool for the study; it had three sections. Constructs were demographics, practices of teachers, and perceptions about blended learning. It was converted into Google Form, shared in the official group of semi-government special schools, and shared with government teachers of special education. The findings of the study were that the teachers had neither used online learning nor were interested in using it as an effective learning strategy for students with special needs. Without training and awareness, teachers were using online mode for that scenario to create some learning opportunities for intellectually delayed students. It was concluded that they were less attentive to the compulsion of interaction during online mode than in face-to-face mode. Different teaching strategies were used. Some teachers thought blended learning was the same as online learning, and teachers were somewhat aware of online modes. Positive feedback on instructional strategies and awareness of blended learning demonstrates that it may be an option for kids with intellectual disabilities.
The Impact of Sports Optimism on Sports Performance
Authors: Hussain Ijaz , Ahmad Masood , Fatima Rameen
Published: May 2023

Sports optimism has a significant relationship with sports performance. This study intends to determine the impact of sports optimism on sports performance. The research design was based on co-relational research. It was delimited to the Ghazi University, Dera Ghazi Khan. The players of Ghazi University were considered as a sample of this study. The overall sample size of the study contained 150 players, and a snowball sampling technique was employed. The data was collected through a questionnaire. Suitable statistical techniques such as mean, standard deviation, ANOVA, Pearson’s correlation, analysis, and linear regression analysis were applied for data analysis. The level of optimism was evaluated by the life orientation test revised (LOTR) and sports performance. The findings of the study discovered that sports optimism has a significant relationship with sports performance. The players who exhibited more optimistic behaviors are at high risk of performing better even in adverse situations. It was also found that sports optimism has a significant impact on sports performance, both physical and mental. The study concluded that optimism aids the performance of players. The players with a high optimistic level perform better than those with a low optimistic level.
Impact of Work-Family Balance on Career Development of Female Health Professionals with Mediating Role of Job Performance and Moderating Role of Gender Friendly Environment
Authors: Zahid Tanzila , Khan Asima , Zulfiqar Ayesha , Syed Erum , Maqsood Rakeel , Iqbal Laraib , Asif Iqra , Nazir Maira
Published: May 2023

Nowadays, the challenge faced by healthcare organizations is that female healthcare professionals are not joining the medical workforce in Pakistan, and it creates a serious necessity to understand the effects of Work-Family Balance (WFB) on Women Career Development (WCD). This study addressed the gaps that how WFB was related to job performance (JP) and WCD; and whether gender friendly environment (GFE) would strong or weak this relationship. The focus of this research was to investigate the impact of WFB on the WCD of doctors, nurses and allied health professionals with mediating role of JP and moderating role of GFE. Using the convenience sampling method, a sample of 200 female health professionals was selected. The study design was cross-sectional, and self-administered questionnaires were used. Data were analyzed using correlation and regression analysis. The precise testing of the causal relationship was not possible due to the cross-sectional study design. This study was limited by its geographical area coverage and small sample size. A comparative study could not be done in public and private hospitals. Results show that the relationship between WFB and WCD was found to be insignificant, and this relationship was not mediated by JP. The moderating effect of GFE was found to be significant and suggests that high GFE supports WCD. Human resource managers should take measures and formulate strategies for GFE which will support the career development of female health professionals in healthcare organizations.
An Experimental Study to Assess the Impacts of Cooperative Teaching on Academic Performance of Higher Secondary School Students in Faisalabad
Authors: Arshed Lubna , Ahad Qasira , Qayyum Aminah , Nawaz Naima , Fatima Noreen , Usman Muhammad , Khan Mukaram , Hassan Zahid , Riaz Ayesha , Manzoor Adeela
Published: May 2023

The educational system in Pakistan is mainly dependent on traditional teaching approaches, which are often regarded as ineffective and have a poor impact on the academic performance of students. We conducted this experimental study to examine the cooperative teaching impacts on the academic performance of students studying at the higher secondary school level in tehsil Faisalabad. Collaborative learning is a valuable instructional approach where students allocate tasks among themselves, assist each other (especially those who have difficulty), offer positive and negative feedback, and work together to achieve a collective outcome. Through such collaboration, students exhibit greater engagement and academic success. In this study, we compared students' academic performance by comparing the experimental and control group students. Control groups comprised of total 40 students. A single teacher conducted academic activities with them. Whereas in the experimental group, total 40 students were taught through the cooperative teaching method. The research design of the control was a pre-test and post-test, which is representative of true experimental design, and the same was applied to the experiment in this study. The results revealed that the students in the experimental group who were taught through a cooperative teaching approach academically performed better as compared to control. This implies that cooperative teaching technique had a positive influence on the students’ academic performance. This is concluded that the cooperative teaching technique was better as compared to the conventional method of teaching. Therefore, this cooperative method of teaching should be implemented for other subjects and at other school levels.
Role of Education and Financial Development in Economic Growth of Selected Asian Countries
Authors: Fouzia Ms , Javed Iqbal , Nawaz Shah , Javaid Haroon , Yasin Mudassar , Mumtaz Humaira
Published: May 2023

Education and financial development are key determinants of economic growth. This research makes an effort to highlight the role of education and financial development with urbanization in the economic growth of selected Asian countries. Economic growth is used as a dependent variable, and secondary school enrolment, financial development, life expectancy, and urban population are used as independent variables. Panel data set for the time 2002 to 2019 is used for the analysis. The random effect technique is used. The study results demonstrate that secondary school enrolment, financial development, life expectancy, and urban population increase economic growth in selected Asian countries. It is recommended that government should provide free of cost education facilities in selected economies. Moreover, the public should be provided with more financial debt facilities to increase per capita income, high living standards, and economic growth in these selected economies. The plan must be placed on education and health high on the agenda in these economies.
Avaliação de métodos de superação de dormência em sementes de ziziphus joazeiro mart.
Authors:   , Ribeiro Barbosa Arthur
Published: May 2023

Ziziphus joazeiro Mart. apresenta-se como uma espécie de elevado potencial ambiental e sócio- econômico, entretanto o lento e desuniforme processo de emergência são grandes entraves na produção de mudas. Objetivou-se com este trabalho avaliar diferentes métodos de superação de dormência, buscando acelerar o processo de emergência de plântulas de Ziziphus joazeiro Mart. O trabalho foi executado no Município de Sumé-PB, sendo a semeadura realizada em bandejas no viveiro com 50% de sombreamento em maio de 2018. Os tratamentos realizados foram: Testemunha – sementes intactas (T1), embebição em água a temperatura ambiente por 18, 36, 72 e 144 horas (T2, T3, T4, T5 respectivamente), embebição em calda de esterco caprino por 18, 36, 72 e 144 horas (T6, T7, T8, T9 respectivamente), embebição em água por 2 minutos a 60, 65, 70 e 75°C (T10, T11, T12, T13 respectivamente), embebição em calda de esterco bovino por 18, 36, 72 e 144 horas (T14, T15, T16, T17 respectivamente), escarificação mecânica com lixa número 80 do lado oposto a micrópila (T18), rachadura do endocarpo com martelo (T19), furo na parte central do endocarpo (T20) e extração da semente (T21). O delineamento experimental adotado foi inteiramente casualizado, com quatro repetições. Os dados foram submetidos à análise de variância e as médias comparadas pelo teste de Skott Knott. Z. joazeiro apresentou baixo e lento processo de emergência ao longo dos 30 dias de avaliação. A extração da semente proporcionou a melhor porcentagem de emergência (48%) e índice de velocidade de emergência (0,7), seguido por rachadura do endocarpo, escarificação com lixa e testemunha que também proporcionaram o maior desenvolvimento diamétrico ao nível do solo das plântulas de Z. joazeiro. A extração de sementes gerou os maiores valores para o comprimento radicular enquanto que a parte aérea foi beneficiada sem divergência estatística tanto por esse tratamento como pela rachadura do endocarpo, que também resultaram nos melhores resultados para a matéria seca radicular e aérea.
Efeitos do armazenamento na emergência de sementes de mulungu (erythrina velutina wild.).
Authors:   , Henrique Holanda do Carmo Rubens
Published: May 2023

O armazenamento é uma prática fundamental no controle da qualidade fisiológica da semente, pois é um método que pode preservar a viabilidade e o vigor destas por um período mais prolongado. Dessa forma, o objetivo do trabalho foi estudar a qualidade fisiológica e o armazenamento de sementes da espécie nativa de mulungu (Erythrina velutina Willd), previamente selecionada na região do cariri Paraibano. O trabalho foi realizado no Laboratório de Ecologia e Botânica (CDSA/UFCG). As sementes da espécie estudada foram coletadas de matrizes localizadas no mesmo município e levadas para o laboratório, onde se realizou a homogeneização. Para os estudos de qualidade fisiológica foram avaliados os seguintes parâmetros: o teor de água e a qualidade fisiológica. No processo de armazenamento, foram considerados os efeitos das embalagens (saco de papel e plástico) e dos ambientes freezer (temperatura controlada) e ambiente de laboratório (condições não controladas de temperatura), onde a cada mês de armazenamento foram avaliadas a qualidade fisiológica das mesmas. Assim, verifica-se que os ambientes e embalagens influenciaram na redução dos parâmetros estudados ao longo do armazenamento. A redução foi mais acentuada quando as sementes estavam acondicionadas em embalagem de papel e armazenadas em ambiente de laboratório. Nesse sentido, verificou-se que as sementes das espécies estudadas são ortodoxas, e que o acondicionamento em embalagens de papel ou plástico em freezer, promoveu os melhores resultados, sem perdas significativas nas emergências das plântulas.
Efeitos de diferentes tratamentos pré- germinativos e variabilidade de água na emergência de sementes de schinopsis brasiliensis engl.
Authors:   , dos Santos Costa Diego
Published: May 2023

Avalia a influência de diferentes métodos de superação de dormência e a resistência à salinidade na emergência de sementes de Schinopsis brasiliensis Engl. O experimento foi conduzido na Casa de Telado do Laboratório de Ecologia e Botânica do CDSA/UFCG no período de agosto a dezembro de 2018. Para os testes de dormência foram utilizados três tratamentos pré-germinativos: Sementes intactas - testemunha (T1); escarificação mecânica (T2); e Embebição em água a temperatura ambiente durante 24 horas (T3). Para cada tratamento pré-germinativo foram utilizados três tipos de água: água da torneira, água mineral e água de poço. Foram avaliados os seguintes parâmetros: emergência, índice de velocidade de emergência e massa seca de plântulas. De acordo com os resultados obtidos, verificou-se que os tratamentos pré-germinativos e os diferentes tipos de água utilizada na irrigação influenciaram em todos os parâmetros estudados. Em relação à porcentagem de emergência, índice de velocidade de emergência e massa seca de plântulas observou-se que a escarificação mecânica, proporcionou os melhores resultados com valores de 88%, 0,578 e 4,45mg respectivamente, enquanto que as menores porcentagens ocorreram quando as sementes não foram submetidas a nenhum tratamento pré-germinativo. Em relação à influência da variabilidade da água, observou-se que houve uma diminuição dos parâmetros avaliados à medida que os níveis de salinidade da água de irrigação aumentaram. Assim, constatou-se que a salinidade interfere negativamente na qualidade fisiológica da semente de forma proporcional ao aumento da salinidade da água de irrigação e a escarificação mecânica foi o tratamento responsável pelos melhores desempenhos, sendo recomendado para condução de testes de emergência de plântulas de S. brasiliensis em condições não controladas no município de Sumé-PB.
Diagnóstico sobre o cenário do extrativismo vegetal e desertificação no Cariri Paraibano.
Authors:   , Macílio Pires do Nascimento Jorlan
Published: May 2023

A utilização inadequada dos recursos naturais tem sido cada vez mais frequente, ocasionando uma aceleração na deterioração dos ecossistemas e promovendo desequilíbrios ambientais. Nesse sentido, o objetivo da pesquisa foi avaliar possíveis interações entre a atividade extrativista vegetal e a desertificação no município de Sumé-PB, região do Cariri paraibano. O trabalho foi desenvolvido no município de Sumé-PB, localizado na região do cariri paraibano, os dados utilizados na mensuração da análise foram extraídos do Instituto Brasileiro de Geografia e Estatística – IBGE. A revisão de literatura foi realizada por meio de consultas a acervos bibliográficos. O estudo utilizou uma abordagem descritiva, na qual visa investigar possíveis interações entre a atividade extrativista vegetal e a desertificação, levando em consideração os períodos entre 2004 a 2018. As discussões sobre a temática que envolve o extrativismo vegetal no município de Sumé, relaciona-se com o período em que o produtor precisa de uma renda complementar, para auxiliar no sustento familiar, porém a forma inadequada da utilização dos recursos naturais, como também as variações climáticas potencializam o processo da desertificação em áreas na região do cariri paraibano.
Estratégias para redução de perda de solo em área experimental no semiárido.
Authors:   , Shirley Ribeiro Silva Fábia
Published: May 2023

Este trabalho tem como objetivo avaliar a aplicação de práticas de conservação do solo em parcelas experimentais como estratégia de recuperação de áreas degradadas na região do semiárido brasileiro. O estudo foi desenvolvido na Bacia Experimental de São João do Cariri, PB, localizada na região do semiárido paraibano. Foram utilizadas duas parcelas de 100 m², parcelas 1 (P1) e 2 (P2), com declividades médias de 3,6%, respectivamente, ambas com 4,55 m de largura e 22,0 m de comprimento de rampa, onde foram inseridas 22 mudas de 8 espécies nativas da caatinga. Foi realizada a recomposição de banco de sementes e uso de cobertura morta de resíduos de milho triturado (Zea Mays L.), sendo repostas posteriormente por resíduo de cana-de-açúcar (Saccharum officinarum). Para avaliar a melhoria dos atributos do solo em função de uso de prática conservacionista, foram determinados os valores de matéria orgânica, densidade, umidade e taxa de infiltração da água no solo. Após eventos de chuva com consequente escoamento, foram quantificadas as lâminas escoadas e a perda de solo. Os resultados obtidos indicaram o aumento da matéria orgânica do solo, com média de valores de 23,1 g.kg-1 (P1) e 47,5 g.kg-1 (P2), a redução da densidade do solo, com média de valores de 1,6 g.cm-3 (P1) e 1,3 g.cm-3 (P2), o aumento da umidade do solo, de 6,0 g.g-1 (P1) e 6,6 g.g-1 (P2) e a redução da taxa de infiltração, de 0,4 cm.min-1 em (P1) e de 0,2 cm.min-1 em (P2). Ocorreu a redução da lâmina escoada de (P2) em relação a (P1), de 93,35 % a 100% e, de 96,4% a 100%, na produção de sedimentos. De acordo com os resultados obtidos foi possível concluir que, a aplicação de prática conservacionista combinada favoreceu ao enriquecimento da qualidade do solo, indicado por meio da melhoria de seus atributos, o que aumenta a capacidade produtiva do mesmo, além de promover a redução da lâmina escoada e produção de sedimento. Recomenda-se o uso desta prática combinada de conservação do solo, como estratégia de recuperação de áreas degradadas, sem cobertura vegetal e com uso intenso de pecuária extensiva de baixo rendimento.
ANALISA KINERJA RUAS JALAN DAN PENGARUHNYA TERHADAP BIAYA OPERASIONAL KENDARAAN BESERTA NILAI WAKTU DI KOTA CILEGON
Authors: Pradana Muhammad Fakhruriza , Budiman Arief , Imbar Muhammad Pandu
Published: May 2023

Jalan Jenderal Ahmad Yani merupakan salah satu jalan yang berada di pusat kawasan perniagaan Kota Cilegon. Area di sekitar jalan tersebut merupakan daerah yang mempunyai aktivitas perdagangan cukup tinggi. Hal tersebut terlihat dari banyaknya pertokoan disepanjang jalan sehingga sering terjadinya kemacetan yang disebabkan banyaknya hambatan samping pada area tersebut. Pada satu sisi, perdagangan tentu menaikkan perekonomian wilayah sekitar, tetapi pada sisi lain dengan adanya kemacetan akan merugikan pengguna jalan di sekitar area perniagaan tersebut. Sehubungan dengan permasalahan diatas, maka diperlukan studi dan analisa untuk mengetahui kinerja ruas jalan, kecepatan dan waktu tempuh. Dari kinerja tersebut akan coba dibandingkan dengan besarnya BOK dan nilai waktu yang dipakai oleh pengguna jalan. Berdasarkan hasil analisis perhitungan pada kapasitas jalan maka hambatan samping yang didapat dari hasil pengamatan dilapangan sangat berpengaruh kepada kapasitas jalan di Jalan Jenderal Ahmad Yani Kota Cilegon. Hal  ini ditunjukkan pada derajat kejenuhan atau DS (Degree of Saturation) pada saat jam puncak hari kerja jam 07.00-08.00 yang nilai nya mencapai 0,82 dengan tingkat pelayanan D dengan kecepatan kendaraan hanya 20 km/Jam. Perhitungan biaya operasional kendaraan tidak tetap pada jam puncak hari kerja dengan hambatan samping adalah Rp. 9465,56 /Km dan pada hari libur sebesar Rp. 9396,73/Km. Tetapi Perhitungan biaya operasional kendaraan tidak tetap jika hambatan samping nya diabaikan atau mempunyai faktor pengali 1, maka menjadi Rp. 9446,71/Km  pada hari kerja dan Rp. 9388,78/Km pada hari libur.
PERBANDINGAN BIAYA, WAKTU DAN MUTU PENGGUNAAN BEKISTING MULTIPLEKS DENGAN BEKISTING FIBERGLASS PADA PEKERJAAN PILE CAP
Authors: Artiani Gita Puspa , Hidayat Khusnan
Published: May 2023

Bekisting adalah cetakan sementara yang digunakan untuk menahan beton selama beton dituang dan di bentuk sesuai dengan bentuk yang diinginkan. Dikarenakan berfungsi sebagai cetakan sementara, bekisting akan di lepas atau dibongkar apabila beton yang di tuang telah mecapai kekuatan yang cukup. Tujuan dari penelitian ini untuk mengetahui berapa besar perbandingan biaya, waktu, dan mutu dalam pelaksanaan bekisting multipleks dengan bekisting fiberglass pada pekerjaan bekisting pile cap. Yang mana nantinya akan menghasilkan suatu informasi mengenai analisis perbandingan penggunaan bekisting multipleks dengan bekisting fiberglass pada pekerjaan pile cap sebagai penggunaan bahan pekerjaan bekisting. Hasil dari penelitian ini didapatkan biaya bekisting multipleks sebesar Rp. 11.395.512 sedangkan biaya bekisting fiberglass sebesar Rp. 6.407.415 lebih hemat 40,77% dari biaya bekisting multipleks sedangkan untuk waktu pelaksanaan bekisting multipleks dengan bekisting fiberglass sama dengan membutuhkan waktu 36 hari, tetapi bekisting fiberglass hanya membutuhkan 3 bekisting dengan 12 periode ulang pemakaian sedangkan bekisting multipleks membutuhkan 9 bekisting dengan 4 periode ulang pemakaian untuk 34 titik bekisting pile cap. Dan berdasarkan analisis mutu pelaksanaan, hasil beton finish bekisting fiberglass lebih baik dari pada bekisting multipleks. Hal ini akan membuat biaya pelaksanaan beton menjadi terjaga nilainya dan membuat waktu pelaksanaan beton menjadi lebih cepat.
ANALISIS PERHITUNGAN GESER BALOK NORMAL DENGAN GESER BALOK PERLAKUAN CARBON FIBER REINFORCED POLYMER (CFRP) TERHADAP BALOK BETON BERTULANG
Authors: Utami Sri Rejeki Laku , Sutantiningrum Kartika Hapsari
Published: May 2023

Pengaruh Carbon Fiber Reinforced Polymer (CFRP) pada balok beton bertulang diharapkan memberikan konstribusi terhadap peningkatan daktilitas. Pada penelitian ini lima buah benda uji balok. Benda uji pertama adalah balok 3D16 Normal yang digunakan sebagai balok normal. Benda uji ke dua adalah balok 3D16 CFRP yang digunakan sebagai balok dengan perlakuan CFRP. Benda uji ke tiga adalah balok 4D16 Normal yang digunakan sebagai balok normal. Benda uji ke empat dalah balok 4D16 CFRP yang digunakan sebagai balok dengan perlakuan CFRP. Benda uji ke lima dalah balok 5D16 CFRP yang digunakan sebagai balok dengan perlakuan CFRP. Dimensi balok – balok tersebut adalah 150 x 250 mm, dengan panjang efektif 2000 mm. Pembebanan diberikan One Point Loads, untuk melakukan uji lentur maka pembebanan pada balok direncanakan dengan menempatkan satu buah gaya P secara simetris pada jarak ½ L yaitu sebesar 1000 mm. Dan diberikan perlakuan CFRP pada balok 3D16 CFRP sepanjang 600 mm (2,4 h) ditengah bentang yang panjangnya 2.000 mm  dengan perlakuan CFRP Completely Wrapped Member. Dari hasil pengujian kapasitas lentur maksimum secara berturut- turut untuk balok 3D16 Normal sebesar 104,04 kN sedangkan pada balok 3D16 CFRP mengalami peningkatan kapasitas lentur maksimum sebesar 119,52 kN sedangkan  balok 4D16 Normal memiliki kapasitas lentur maksimum sebesar 161,28 kN sedangkan balok 4D16 CFRP mengalami peningkatan kapasitas lentur maksimum sebesar 162,64 kN, sedangkan balok 5D16 CFRP mengalami peningkatan kapasitas lentur maksimum sebesar 173,16 kN. Serta memiliki nilai geser balok normal sebesar 158,5974 kN dibandingkan dengan balok perlakuan CFRP (Carbon Fiber Reinforced Polymer) sebesar 205,9511 kN, Nilai geser balok dengan perlakuan CFRP (Carbon Fiber Reinforced Polymer) memiliki nilai yang lebih tinggi dibandingkan dengan balok normal.
ANALISA KECELAKAAN LALU LINTAS DAN FAKTOR PENYEBABNYA DI JALAN RAYA CILEGON
Authors: Pradana Muhammad Fakhruriza , Intari Dwi Esti , Pratidina D Danur
Published: May 2023

Jalan Raya Cilegon adalah jalan utama penghubung antara Kota Cilegon dan Serang yang masuk daerah Serang Kabupaten. Fungsi jalan ini sangat krusial karena kedua kota yang terhubung adalah kota besar di Banten. Kota Serang yang merupakan Ibukota Provinsi Banten dan Kota Cilegon dengan kota penghasil baja terbesar di Pulau Jawa. Namun disamping fungsinya yang sangat krusial, lalu lintas di Jalan Raya Cilegon seringkali terjadi kecelakaan. Jalanan di Jalan Raya Cilegon memiliki beberapa titik yang dimana masih memiliki rambu yang minim dan kondisi aspal yang berlubang. Seperti contohnya adalah baru – baru ini terdengar kecelakaan yang terjadi di daerah Serdang dan Keramatwatu menuju arah PCI Cilegon. Kecelakaan tersebut terjadi tiga kali dalam tiga hari berturut – turut dan menelan korban jiwa. Tujuan penelitian ini adalah untuk mengetahui dan menganalisa faktor penyebab, karakteristik, lokasi daerah titik rawan (blackspot), keadaan daerah titik rawan (blackspot), upaya – upaya penanganan yang dapat dilakukan, dan besarnya kerugian materiil kecelakaan yang terjadi di Jalan Raya CilegonMetode yang digunakan adalah metode AEK (Angka Ekivalen Kecelakaan) dan UCL (Upper Control Limit) untuk mengetahui daerah titik rawan kecelakaan di Jalan Raya Cilegon. Data primer yang diperoleh adalah dengan melakukan survey pengamatan untuk mengetahui kondisi jalanan yang temasuk daerah rawan kecelakaan, sedangkan data sekunder yaitu identitas pelaku dan karakteristik kecelakaan yang didapat dari Laporan Polisi di Laka Lantas Polres Serang selama 4 tahun 2 bulan terakhir.Gambaran hasil dari karakteristik kecelakaan yang diperoleh dari data penelitian adalah sebagai berikut: Kecelakaan dominan terjadi pada Hari Sabtu sebanyak 47 kali (19%), waktu gelap sebanyak 149 kali (58%), korban Luka Ringan sebanyak 258 korban (62%), Bulan Maret hingga Agustus sebanyak 145 kali (57%), tingkat pendidikan SLTA sebanyak 164 kali (77%), pengguna Kendaraan Roda Dua sebanyak 180 kali (74%), laki – laki sebanyak 167 kali (87%), tidak memiliki SIM sebanyak 124 kali (67%), karyawan swasta sebanyak 134 kali (66%), usia 21 hingga 25 tahun sebanyak 49 kali (23%). Faktor dominan kecelakaan yaitu disebabkan oleh manusia dengan persentase 96%. Dengan metode AEK dan UCL didapat daerah rawan kecelakaan (blackspot) dengan angka tertinggi adalah Kelurahan Wanayasa, Kecamatan Kramatwatu. Solusi terbaik mengurangi kecelakaan dengan pemasangan rambu, rumble strip dan perbaikan jalanan.
IDENTIFIKASI POTENSI NILAI EKONOMI AIR (NEA) PEMANFAATAN SUMBER DAYA AIR EMBUNG JONGKONG KABUPATEN BANGKA TENGAH
Authors: Maini Miskar , Mashuri Mashuri
Published: May 2023

Analisis laju aliran dalam DAS yang tidak terukur dengan Metoda Hidrograf Satuan Sintetik (HSS) merupakan metode yang paling praktis dan sederhana. Metode ini membutuhkan data karakteristik DAS berupa panjang sungai dan luas DAS. Perhitungan dan data laju aliran sangat berguna dalam perkembangan ilmu sumberdaya air dan  perencanaan bangunan sipil khususnya dalam pekerjaan bangunan air. Dewasa ini, Metoda Hidrograf Satuan Sintetik (HSS) telah banyak berkembang dan yang terbaru adalah Metoda Hidrograf Satuan Sintetik (HSS) ITB-1. Keandalan HSS ITB-1 di Sungai Tapung Kanan dan Sungai Tapung Kiri menunjukkan kinerja yang baik. Hal ini ditandai dengan ketelitian volume Sungai Tapung Kanan 96,30% dan ketelitian Sungai Tapung Kiri 99,88%. Adapun rasio kontrol volume/ direct run off (DRO)  Sungai Tapung Kanan 1,00006 dan Sungai Tapung Kiri 1,000088 (mendekati 1). Sedangkan debit puncak yang dihasilkan Sungai Tapung Kanan 39,950 m3/det dan Sungai Tapung Kiri 38,867 m3/det.Kata kunci: Air Embung, Model NRECA, NEA, NPA
ANALISIS PENYEBAB KECELAKAAN LALU LINTAS DI KOTA SEMARANG
Authors: Hidayat Adib Wahyu , Utami Sri Rejeki Laku
Published: May 2023

Semarang juga merupakan salah satu kota metropolitan terbesar di Indonesia. Metropolitan dapat juga bisa diartikan sebagai pusat permukiman besar yang terdiri dari satu kota besar dan beberapa kawasan yang berada di sekitarnya dengan satu atau lebih kota besar melayani sebagai titik hubung dengan kota-kota di sekitarnya tersebut. Faktor-faktor apa saja yang mempengaruhi tingkat kerawanan kecelakaan lalu lintas di kota Semarang antara lain adalah kelalaian pengguna jalan, faktor kendaraan, faktor jalan, faktor kondisi lingkungan.
IDENTIFIKASI DEBIT BANJIR DAN REDESIGN SALURAN DRAINASE SEBAGAI PENGENDALIAN BANJIR (Studi Kasus Kebon Baru Jakarta Selatan)
Authors: Nauli Josua Kelpin , Indrasari Deasilia
Published: May 2023

AbstrakJakarta Selatan merupakan kota yang rawan banjir. Selain itu, Jakarta memiliki topografi dataran rendah dan tipe musim penghujan. Hal tersebut menyebabkan masalah yang berulang setiap tahunnya apabila tidak dilakukan peninjauan ulang terhadap curah hujan beberapa tahun belakang. Berdasarkan hal tersebut penelitian ini bertujuan untuk identifikasi hujan kala ulang sebagai pengendalian banjir. Pengambilan data curah hujan 20 tahun belakangan dari Badan Meteorologi Klimatologi Geofisika dan peta topografi dari Dinas SDA DKI Jakarta. Selanjutnya, dilakukan analisis hujan rencana dan debit banjir rencana kala ulang maksimal 10 tahun menggunakan perhitungan manual distribusi frekuensi dengan hasil Goodness of Fit Test terhadap , Log Pearson Tipe III adalah Rt 10 = 214,091 mm/jam. Distribusi frekuensi kemudian digunakan untuk perhitungan Intensity-Duration-Frequency (IDF) dalam waktu 2 jam sebesar 46,756 mm/jam dan debit banjir rencana, Qp 10 = 3,108 m3/s untuk saluran air Jalan Asem Baris Raya. Nilai terbesar berada di Jalan Asem Baris Raya dengan besarnya Qp rencana = 3,608 m3/s. Hasil penelitian ini disimpulkan, semakin kecil dimensi saluran air dan besarnya debit hujan akan menjadi kejadian banjir. Untuk itu perlu pendesainan ulang dan partisipasi masyarakat merawat saluran air karena penting sebagai pengendalian banjir. Kata kunci: Rawan Banjir, Distribusi Frekuensi, Goodness of Fit Test, Asem Baris Raya AbstractSouth Jakarta is a city prone to flooding. In addition, Jakarta has a lowland topography and a rainy season type. This causes problems that recur every year if there is no review of the rainfall in the past few years. Based on this, this study aims to identify recurrent rain as flood control. Collecting rainfall data for the last 20 years from the Meteorology, Climatology, Geophysics Agency and topographic maps from the DKI Jakarta SDA Office. Furthermore, the analysis of rain plans and flood discharge plans for a maximum period of 10 years using manual calculation of frequency distribution with the results of the Goodness of Fit Test for Log Pearson Type III is Rt 10 = 214.091 mm / hour. The frequency distribution is then used for the calculation of Intensity-Duration-Frequency (IDF) within 2 hours of 46,756 mm / hour and the planned flood discharge, Qp 10 = 3,108 m3 / s for the Asem Baris Raya water channel. The largest value is on Jalan Asem Baris Raya with a planned Qp = 3.608 m3 / s. The results of this study concluded, the smaller the dimensions of the waterways and the amount of rain discharge will be a flood event. For this reason, it is necessary to redesign and participate in the maintenance of water channels because it is important for flood control. Keywords: Prone Flooding, Frequency Distribution, Goodness of Fit Test, Asem Baris Raya
PENGARUH PENGGUNAAN STYROFOAM DAN KAWAT BENDRAT TERHADAP KUAT TEKAN BETON RINGAN
Authors: Prisilia Anggita , Simanihuruk Bertinus , Dewita Hikma
Published: May 2023

Beton merupakan material yang banyak digunakan untuk struktur. Salah satu metode yang dapat digunakan untuk mengurangi berat jenis beton yaitu dengan menggunakan agregat ringan. Tujuan dari penelitian ini adalah untuk mengetahui pengaruh penggunaan kawat bendrat pada beton ringan. Beton ringan merupakan salah satu jenis beton dengan berat volume dibawah 1850 kg/m3 . Agar beton menjadi ringan, penambahan styrofoam dilakukan pada campuran beton. Beton yang semakin ringan maka kekuatan yang dimiliki akan semakin rendah, untuk itu dilakukan penambahan serat pada beton segar. Berkaitan dengan hal tersebut, dilakukan penelitian bersifat eksperimen di Laboratorium membuat beton menggunakan kawat bendrat sebesar 1% dari jumlah semen dengan penambahan styrofoam 10%, 30%, dan 50% dari volume agregat kasar terhadap kuat tekan beton. Pengujian dilakukan pada umur beton 14 hari dan 28 hari menggunakan benda uji berbentuk silinder 15 cm x 30 cm. Dari hasil penelitian, didapat hasil kuat tekan pada umur beton 14 hari dan 28 hari untuk beton normal sebesar 29.47 MPa dan 32.75 MPa. Pada beton serat nilai kuat menurun menjadi 26.93 MPa dan 29.53 MPa. Untuk kuat tekan beton serat dengan penambahan styrofoam 10%, 30% ,dan 50% pada 14 hari didapat 28.47 MPa, 22.37 MPa, dan 13.76 MPa. Sementara pada umur beton 28 hari didapat 31.85 MPa, 26.30 MPa, dan 15.44 MPa. Hasil penelitian dapat disimpulkan bahwa semakin banyak penambahan styrofoam kuat tekan akan semakin menurun. Kuat tekan beton maksimum diperoleh pada beton variasi penambahan styrofoam 10%, akan tetapi pada variasi tersebut tidak dikategorikan sebagai beton ringan. Beton ringan pada penelitian ini diperoleh pada penambahan styrofoam 50% dengan berat volume 1839.62 kg/m3 .Kata Kunci : pengaruh, styrofoam, kawat bendrat, kuat tekan, beton ringan
Analisa Penerapan Manajemen Waktu Dan Biaya (Studi Kasus Pekerjaan Struktur Bawah Pada Proyek Pembangunan Gedung Arumaya)
Authors: Suwondo Teguh
Published: May 2023

- Pekerjaan struktur bawah merupakan pekerjaan utama pada bangunan gedung karena menahan beban diatasnya dan menyalurkan beban ke dalam tanah serta. Sebelum pelaksanaan. Pelaksanaan pembangunan proyek harus diperhitungkan dan diatur sedemikian rupa baik dari segi manajemen waktu dan manajemen biaya agar mencapai hasil yang maksimal. Proyek pembangunan gedung Arumaya Lebak Bulus dipilih sebagai penelitian dikarenakan penulis ingin mengetahui tahap pekerjaan ini sesuai dengan jadwal yang ditentukan (tepat waktu) dan biaya yang dikeluarkan tidak melebihi anggaran yang ditentukan. Tujuan penelitian ini adalah untuk megetahui penerapan EVA (Earned Value Analysis) dalam memperkirakan waktu akhir penyelesaian proyek setiap minggunya. Metode yang digunakan dalam penelitian ini adalah deskriptif kaulitatif dengan durasi pengerjaan proyek pekerjaan struktur bawah gedung selama 21 minggu dari 4 Maret 2019 sampai dengan 15 Juli 2019. Berdasarkan analisis indeks kinerja biaya dalam proyek pekerjaan struktur bawah gedung mengalami keuntungan sebesar RP. 3.394.295 dari anggaran yang direncanakan dan ditunjukkan dengan indeks kinerja biaya  (CPI) 1,00 > 1. Berdasarkan analisis indeks kinerja waktu  dalam pembangunan struktur bawah gedung pelaksanaan proyek sesuai jadwal perencaaan 21 minggu dan ditunjukkan indeks kinerja waktu (SPI) sebesar 1,0Kata Kunci :Analisis, Manajemen Waktu, Manajemen Biaya, Struktur Bawah