bluuebunny/crossref_metadata_2025_split huggingface dataset:
ANALISIS KECEPATAN JATUH SEDIMEN PADA SUNGAI CIBEET, JAWA BARAT
Authors: Warsito Kevin Wijaya , Pranoto Wati Astriningsih 
Published: May 2021

Cibeet River is one of the branch of the Citarum river in West Java province with a length of 101 km. Cibeet River is one of the rivers supplying water and sediment to the West Tarum irrigation channel or known as the Kalimalang. In this research, the sample used was in the form of mud taken at the Cibeet River Estuary. This research is focused on settling velocity which is a parameter for sedimentation in order to improve numerical modeling and conceptual understanding of sediment dynamics, especially mud. Sediment research is carried out in the Soil Mechanics laboratory and Hydraulics laboratory. Bottom withdrawal tube experiments were carried out using 5 types of salinity and 6 kinds of sediment concentrations. The purpose of the study was to obtain settling velocity and compare laboratory results with the Stokes law approach and compare the relationship between settling velocity with sediment concentration and salinity. The optimum salinity is obtained at 15 ‰, and the optimum sediment concentration at 4700 ppm with an average fall speed of 37,28 mm / s. The results from the laboratory are not in accordance with the Stokes law due to the influence of flocculation from the cohesive nature of the mud sediment, so that using the Stokes law approach cannot calculate the velocity of falling sediment on the mud. Keywords: concentration; salinity; sediment; settling velocity AbstrakSungai Cibeet merupakan salah satu anak sungai dari sungai Citarum di provinsi Jawa Barat dengan panjang 101 km. Sungai Cibeet merupakan salah satu sungai pemasok air dan sedimen ke saluran irigasi Tarum Barat atau dikenal sebagai Kalimalang. Pada penelitian ini, sampel yang digunakan berupa lumpur yang diambil di Muara Sungai Cibeet. Penelitian ini difokuskan pada kecepatan jatuh sedimen yang merupakan parameter untuk sedimentasi demi meningkatkan permodelan numerik dan pemahaman konsep dari dinamika sedimen terutama lumpur. Penelitian ini dilakukan di laboratorium Mekanika Tanah dan laboratorium Hidrolika, memakai bottom withdrawal tube, dilakukan dengan menggunakan 5 macam jenis salinitas dan 6 macam konsentrasi sedimen. Penelitian ini membandingkan antara hasil laboratorium dengan pendekatan yaitu hukum Stokes serta membandingkan hubungan antara konsentrasi sedimen dengan salinitas. Untuk salinitas didapat optimum pada saat 15‰, dan konsentrasi sedimen yang optimum pada saat 4700 ppm dengan kecepatan jatuh rata-rata 37,28 mm/s. Hasil dari laboratorium tidak sesuai dengan pendekatan hukum stokes dikarenakan adanya pengaruh flokulasi dari sifat sedimen lumpur yang kohesif, sehingga menggunakan pendekatan hukum stokes tidak bisa untuk menghitung kecepatan jatuh sedimen pada lumpur.
MODELISASI ANALISIS NUMERIK GAYA LATERAL PADA ELEVATED REINFORCED CONCRETE PILE CAP PADA TANAH NON KOHESIF
Authors: Lo Alvin , Wijaya Hendy , Yuwono Amelia 
Published: May 2021

Bridges are construction structures that are built to connect parts of the road that are cut off by obstacles such as deep valleys, irrigation channel paths. In order to build a bridge, a strong, economical and easy to build foundation is needed to carry gravity loads and also earthquake force. A common problem encountered in bridge foundation is the occurrence of erosion around the piles due to scouring of water which causes exposing some portion of the piles, which are often referred as elevated reinforced concrete pile-cap foundations. In this study, a numerical analysis of pile groups on elevated reinforced concrete pile-cap foundations is carried out with lateral forces on sandy soil to see the ductility behavior of piles using geotechnical-based programs and to compare the results with the previous studies. The analysis includes the pilecap model and the soil-to-pile interaction and also considers the pile group effect. The analysis was carried out to see the structural and geotechnical conditions on the ductility behavior of a partially embedded piles on sandy soil. The result obtained is a comparison of the ductility and overstrength values that can be used as a consideration in designing elevated reinforced concrete pile-cap foundations.Keywords: Elevated RC pile-cap foundations; numerical analysis; lateral force; ductility AbstrakJembatan adalah struktur konstruksi yang dibangun untuk menghubungkan bagian jalan yang terputus oleh rintangan-rintangan seperti lembah yang dalam, alur saluran irigasi. Untuk membangun sebuah jembatan, diperlukan fondasi yang kuat, ekonomis dan mudah untuk dibangun untuk memikul beban dari jembatan dan juga gaya gempa. Masalah yang umum ditemui pada konstruksi fondasi jembatan adalah terjadinya erosi pada sekitar fondasi dikarenakan gerusan air yang menyebabkan tanah terangkat dan memperlihatkan sebagian tiang fondasi, yang sering disebut dengan elevated reinforced concrete pile-cap foundations. Pada penelitian ini dilakukan analisis secara numerik terhadap kelompok tiang pada elevated reinforced concrete pile-cap foundations yang dibebani gaya lateral pada tanah berpasir untuk melihat perilaku daktilitas tiang dengan bantuan program berbasis geoteknik dan membandingkan dengan hasil penelitian terdahulu. Analisis menyertakan model kepala tiang dan hubungan antara tanah dengan tiang serta mempertimbangkan efek kelompok tiang. Analisis dilakukan untuk melihat kondisi struktural dan geoteknikal pada perilaku daktilitas fondasi yang ditanam sebagian pada tanah pasir. Hasil yang didapatkan adalah perbandingan nilai daktilitas dan overstrength yang dapat digunakan sebagai pertimbangan dalam mendesain elevated reinforced concrete pile-cap foundations.
AUDIT KESELAMATAN JALAN TOL TANGERANG - MERAK
Authors: Setyarini Ni Luh Putu Shinta Eka , Virgantara Michael Gani 
Published: May 2021

Tangerang-Merak Toll Road is a toll road connecting Tangerang and Merak Port, which includes Cikupa Toll Road, East Balaraja, West Balaraja, Ciakande, Ciujung, East Serang, West Serang, East Cilegon, West Cilegon, and Merak. With the more congested, will make the risk of car accidents also increased. In an effort to improve of road safety, especially toll roads, a Road Safety Audit (AKJ) is needed. Aspects examined and observed include geometric, traffic management, pavements, street furnitures and complementary buildings. As a result, it is concluded that in geometric aspect, in general has been designed in accordance with the provisions, but nevertheless there are parts that still require improvement. This research will discussed the existing condition of Tangerang-Merak Toll Road based on direct observation. The aspects reviewed are geometric, pavement, street furnitures and road complementary buildings such as Signs, Markings and Median roads. In the end, accident-prone areas will be obtained on tangerang-merak toll road with a comparison analysis of direct observation data, and traffic accident data. Keywords: Toll Road; Street funitures; Accident Prone Areas; Road Safety AuditAbstrakJalan Tol Tangerang-Merak adalah jalan tol yang menghubungkan Kota Tangerang dan Pelabuhan Merak yang mencakup Tol Cikupa, Balaraja Timur, Balaraja Barat, Ciakande, Ciujung, Serang Timur, Serang Barat, Cilegon Timur, Cilegon Barat, dan Merak. Dengan semakin padatnya ruas jalan tol tersebut akan membuat angka risiko kecelakaan mobil juga semakin meningkat. Dalam upaya meningkatkan keselamatan para pengguna jalan, khususnya jalan tol, maka perlu dilaksanakan Audit Keselamatan Jalan (AKJ). Aspek yang diperiksa dan diamati meliputi aspek geometrik jalan, manajemen lalu lintas, perkerasan, bangunan pelengkap jalan dan perlengkapan jalan. Sebagai hasilnya, diperoleh kesimpulan bahwa dari segi geometrik, secara umum jalan sudah dirancang sesuai dengan ketentuan, namun demikian ada bagian-bagian yang masih memerlukan penyempurnaan. Penelitian ini akan membahas kondisi eksisting jalan Tol Tangerang-Merak berdasarkan pengamatan langsung. Aspek yang ditinjau adalah aspek geometrik, perkerasan, dan bangunan pelengkap jalan seperti Rambu, Marka dan Median jalan. Pada akhirnya, akan didapatkan daerah rawan kecelakaan pada ruas tol Tangerang-Merak dengan analisis perbandingan dari data pengamatan langsung, dan data kecelakaan lalu lintas.
Geographical Atlases and activate their role in the Educational process: Between reality and expected: الأطالس الجغرافية وتفعيل دورها في العملية التعليمية بين الواقع والمأمول
Authors: Fatemah Mohmmed Fayez  
Published: May 2021

This cartographic study aimed to show the importance of geographic atlas as an educational tool that contributes to building spatial awareness and difficulties that prevented its use in teaching social education in general and geography in particular in general education schools as a supporting reference in general education and the most important technical elements of atlas maps to achieve effective cartographic communication for the user, Or the recipient according to the educational stage and age to which he belongs. The opinions of some teachers and students were also reviewed through the field، where an experimental approach was relied upon to experiment with some presentation tools and graphic symbols in a sample of atlases in order to find out the most suitable for student samples and the most suitable for their level of inclinations. the reasons that led to this kind of deficiency in understanding the purpose of the design of the atlas for the teacher and the student The views of some teachers and students were reviewed through the field and it was clear through the presentation and evaluation of users of some atlases and the level of acceptance towards the use of educational atlas in Saudi Arabia. It was found through the use of the critical curriculum and the presentation of the status quo of the Saudi educational atlas in the educational process the students are still experiencing some difficulties during their study of social education material these reasons have been identified and attempted to avoid them by raising awareness of the importance of the atlas and developing students' skills to understand its contents, It shows that atlases are not used in the educational process despite their cognitive importance, Most of the opinions tended to the need to activate the role of the Atlas as an educational means aimed at improving the delivery of geographic and historical information by the teacher and expand students' understanding of the understanding These opinions were also thoroughly analyzed statistically by relying on the descriptive and analytical method to know the deficiencies in the available atlases that prevented it from being used in teaching by teachers and students, This approach was also used to evaluate the results of the questionnaires conducted on the sample of the study from (students، teachers and owners of experience), Where the Sample was agreed on the possibility of benefiting from the atlas in the educational process more broadly، and the study was concluded with the presentation of results and recommendations.
PENGARUH KINERJA KEUANGAN, RISK BASED CAPITAL, UKURAN PERUSAHAAN DAN MAKROEKONOMI TERHADAP FINANCIAL DISTRESS
Authors: Nilasari Agustina 
Published: May 2021

ABSTRACTThis research intends to examine the effect of insurance company financial ratios, namely solvency margin ratio, risk based capital, firm size, inflation and exchange rate on the estimated financial distress of life insurance companies. As well as general public listed on the Indonesia Stock Exchange from 2015 to 2019. This research is important considering that there have been cases of default by insurance companies. The research information in this research is secondary data obtained in the annual report which is sourced from BEI website and insurance company websites. The sample technique in this research is a purposive sampling technique, there are 35 samples that meet the standards to become samples. Insurance companies experiencing financial distress are determined based on the non-manufacturing Altman Z-score method. Multiple linear regression is the research technique chosen by researchers. This research results in the conclusion that only the firm size variable has an influence on financial distress estimates. The independent variables are able to explain the financial distress variable as much as 32.8%, the deficiency as much as 67.2%, which illustrates the variables that cannot be taken into account in the analysis of this study. ABSTRAKRiset ini bermaksud untuk menelaah pengaruh rasio keuangan perusahaan asuransi yakni solvency margin ratio (SMR), risk based capital (RBC), ukuran perusahaan (UK), inflasi (INF) serta nilai tukar (NT) terhadap perkiraan timbulnya keadaan financial distress perusahaan asuransi jiwa serta umum yang tercatat pada Bursa Efek Indonesia dari rentang waktu 2015 sampai 2019. Penelitian ini penting mengingat adanya kasus gagal bayar perusahaan asuransi. Informasi penelitian di dalam riset ini merupakan data sekunder yang didapatkan pada annual report yang bersumber dari website BEI serta website perusahaan asuransi. Teknik sampel di dalam riset ini merupakan teknik purposive sampling, terdapat 35 sampel yang memenuhi standar untuk menjadi sampel. Perusahaan asuransi yang mengalami financial distress ditentukan berdasarkan metode Altman Z-score non manufaktur. Regresi linier berganda menjadi teknik penelitian yang dipilih oleh peneliti. Riset ini menghasilkan kesimpulan bahwa hanya variabel ukuran perusahaan (UK) yang ada pengaruh terhadap perkiraan financial distress. Variabel bebas mampu memaparkan variabel financial distress sebanyak 32,8%, kekurangan sebanyak 67,2% digambarkan variabel yang tidak dapat diperhitungkan di dalam analisis penelitian ini.
Percepción de adolescentes sobre consumo de sustancias psicoactivas en entornos escolares. Estudio cualitativo
Authors: Enriquez-Guerrero Carolina Lucero , Barreto-Zorza Yenny Marcela , Lozano-Vélez Lupita , Ocampo-Gómez María Antonia 
Published: May 2021

Introducción. El consumo de sustancias psicoactivas en los adolescentes genera efectos negativos en el individuo, familia y desarrollo. El objetivo del presente trabajo es describir la percepción de los adolescentes, sobre los problemas, causas y consecuencias frente al consumo de sustancias psicoactivas en el entorno escolar. Metodología. Estudio cualitativo, exploratorio, desarrollo de siete grupos focales. Muestra por conveniencia hasta saturación de datos. Participaron de manera voluntaria cuarenta adolescentes de un colegio público de Bogotá, previo consentimiento informado y asentimiento. Guía de 10 preguntas sobre el consumo de psicoactivos. Se hicieron grabaciones de audio y transcripciones, análisis inductivo e interpretativo. Resultados. Se recolectaron datos de adolescentes entre 10 a 13 años de edad. Estos datos se clasificaron en 3 categorías definidas previamente: 1) problema, 2) causas y 3) consecuencias. En la primera emergió una subcategoría; en la segunda y en la tercera, emergieron dos subcategorías. Discusión. Estudios confirman que las causas del consumo de sustancias psicoactivas son maltrato intrafamiliar y bullying, las cuales generan afectaciones a nivel físico y mental. A diferencia de lo reportado en la literatura, los adolescentes no perciben a sus pares y familiares como un factor protector. Conclusión. Desde la percepción de los adolescentes, el acceso al consumo de psicoactivos en entornos escolares es fácil y algunas veces se da por personas externas. Se constituye en un problema conexo con la familia y de las relaciones sociales. Destacan como causas el maltrato intrafamiliar, violencia y bullying.Como consecuencias perciben afectación del desempeño académico, la salud física y psicológica.
Identifying the priority infection prevention and control gaps contributing to neonatal healthcare-associated infections in low- and middle-income countries: results from a modified Delphi process
Authors: Yee Daiva , Osuka Hanako , Weiss Jamine , Kriengkauykiat Jane , Kolwaite Amy , Johnson Julia , Hopman Joost , Coffin Susan , Ram Pavani , Serbanescu Florina , Park Benjamin 
Published: May 2021

Background In low- and middle-income countries (LMIC), neonatal healthcare-associated infections (HAI) are associated with increased morbidity, mortality, hospital stay, and costs. When resources are limited, addressing HAI through infection prevention and control (IPC) requires prioritizing interventions to maximize impact. However, little is known about the gaps in LMIC that contribute most to HAI. Methods A literature review was conducted to identify the leading IPC gaps contributing to neonatal HAIs in intensive care units and specialty care wards in LMIC. Additionally, a panel of 21 global experts in neonatology and IPC participated in an in-person modified Delphi process to achieve consensus on the relative importance of these gaps as contributors to HAI. Results Thirteen IPC gaps were identified and summarized into four main categories: facility policies such as prioritizing a patient safety culture and maintaining facility capacity, general healthcare worker behaviors such as hand hygiene and proper device insertion and maintenance, specialty healthcare worker behaviors such as cleaning and reprocessing of medical equipment, and infrastructural considerations such as adequate medical equipment and hand hygiene supplies. Conclusions Through a modified Delphi process, we identified the leading IPC gaps contributing to neonatal HAIs; this information can assist policymakers, public health officials, researchers, and clinicians to prioritize areas for further study or intervention.
Gaps in maternal, newborn, and child health research: a scoping review of 72 years in Ethiopia
Authors: Chan Grace J. , Daniel Jenna , Getnet Misrak , Kennedy Matthew , Olowojesiku Ronke , Hunegnaw Bezawit M. , Unninayar Sarah , Taddesse Lisanu , Bekele Delayehu 
Published: May 2021

Background Despite significant reductions in maternal and child mortality over the past few decades, a disproportionate number of global deaths occur in low and middle-income country settings, such as Ethiopia. To prioritize research questions that would generate policy recommendations for better outcomes, we conducted a scoping review that gathers the current knowledge of maternal, newborn, and child health (MNCH) and illustrates remaining gaps in Ethiopia. Methods We conducted a search strategy from 1946-2018 in PubMed/MEDLINE, EMBASE, and the WHO African Index Medicus. The study team of reviewers independently screened titles, abstracts, and full-texts; abstracted data; and reconciled differences in pairs. Descriptive analyses were conducted. Results We identified 7,829 unique articles of which 2,170 were included. Most MNCH publications in Ethiopia (70.0%) were published in the last decade, 2010-2018. Most studies included children aged one to less than 10 years old (30.5%), women of reproductive age (22.0%), and pregnant women (21.9%); fewer studies included newborns (7.0%), infants (6.6%), and postpartum women (2.9%). Research topics included demographics and social determinants of health (43.4%), nutrition (15.3%), and infectious diseases (13.0%). There were limited studies on violence (1.4%), preterm birth (0.8%), antenatal/postpartum depression (0.7%), stillbirths (0.1%), and accidents (0.1%). Most study designs were cross-sectional (53.6%). A few study designs included prospective cohort studies (5.5%) and randomized control trials (2.3%). Conclusions This is the first scoping review to describe the landscape of MNCH research in Ethiopia. Understanding the depth of existing knowledge will support the prioritization and development of future research questions. Additional studies are needed to focus on the neonatal, infant, and postpartum populations as well as preterm and stillbirth outcomes.
Clinical pattern and prevalence of rheumatic diseases among adults: a community-based cross-sectional study in rural Gadchiroli, India
Authors: Joshi Vinay R , Bang Anand A , Bhojraj Shekhar Y , Deshmukh Mahesh , Yarmal Tushar , Kalkotwar Sameer , Varma Raghu , Kalkonde Yogeshwar V , Bang Abhay T 
Published: May 2021

Background Population-level information on the prevalence of rheumatic disorders from rural India is rare. We investigated the prevalence and patterns of rheumatic disorders among adults in rural Gadchiroli, India. Methods In this population-based, cross-sectional study, trained surveyors conducted a door-to-door survey to identify individuals with pain in back and extremities in two randomly selected villages from this region. Subjects who reported the presence of pain were evaluated by a team of a rheumatologist and orthopedic surgeons in a special clinic organized in these villages. Results Out of 2,535 eligible adults, 2,259 (89%) were surveyed, and 1,247 (55%) reported pain in the back or the extremities, and were therefore referred to the specialist clinic. Out of 884 (71%) participants who attended the clinics, 615 (70%) reported pain in the extremities. The point prevalence of soft tissue rheumatism (STR) in the community was 28% (95% confidence interval, CI=26.1-29.8%) while that of arthritis was 12.2% (10.8-13.5). The point prevalence of rheumatoid arthritis was 0.4% (0.1-0.6). Both STR and arthritis were more common in women and in the elderly. Conclusions Soft tissue rheumatism was the commonest rheumatic disorder in this rural community, followed by arthritis. Inflammatory and infectious disorders were rare. Given the high prevalence of STR and arthritis, community health workers and physicians working in rural areas need to be trained, in order to improve the management of these conditions.
KALIBRASI RADIOMETRI VICARIOUS KAMERA MULTISPEKTRAL SATELIT LAPAN-A3/IPB DI WILAYAH BUKIT JADDIH MADURA
Authors: Salaswati Sartika 
Published: May 2021

Satelit LAPAN-A3/IPB merupakan satelit mikro eksperimental yang memiliki misi penginderaan jauh sebagai salah satu misi utamanya. Dalam melaksanakan misi penginderaan jauh tersebut, satelit LAPAN-A3/IPB dilengkapi dengan muatan utama berupa kamera multispektral empat kanal (merah-hijau-biru-inframerah dekat) jenis pencitraan pushbroom dengan resolusi spasial 15 meter dan lebar sapuan 120 km serta resolusi radiometri 16 bit dan resolusi temporal 21 hari. Untuk menghasilkan data citra pengamatan yang memiliki kualitas standar setiap saat, salah satu kalibrasi yang harus dilakukan adalah kalibrasi radiometri vicarious yang dilakukan setelah satelit mengorbit. Penelitian ini menganalisis hasil kalibrasi radiometri vicarious untuk kamera multispektral satelit LAPAN-A3/IPB di wilayah bukit Jaddih Madura yang telah dilakukan pada tahun 2018 lalu. Dengan membandingkan data citra observasi yang dihasilkan satelit dan data radiansi hasil pengukuran lapangan dengan menggunakan spektrometer, diperoleh koefisien radiansi yang menyatakan hubungan antara data digital number citra kamera multispektral dengan data radiansi sensor ToA (Top-of-Atmosphere). Analisis yang telah dilakukan menunjukkan bahwa koefisien radiansi yang dihasilkan kalibrasi radiometri vicarious di bukit Jaddih Madura tidak berbeda jauh dengan koefisien radiansi yang dihasilkan pada beberapa kalibrasi radiometri vicarious sebelumnya. Analisis temporal juga menunjukkan bahwa koefisien radiansi yang dihasilkan dengan menggunakan data observasi bukit Jaddih pada periode waktu lainnya juga menghasilkan nilai koefisien radiansi yang sama. Hasil ini menunjukkan bahwa hasil kalibrasi radiometri vicarious yang dihasilkan cukup akurat. Walaupun demikian, akurasi kalibrasi radiometri vicarious yang dilakukan dapat ditingkatkan dengan menggunakan data atmosfer yang dihasilkan sensor sunfotometer. Kata kunci: kalibrasi radiometri vicarious, kamera multispektral, satelit LAPAN-A3/IPB, bukit Jaddih Madura, radiansi ToA (Top-of-Atmosphere)