bluuebunny/crossref_metadata_2025_split huggingface dataset:
The Design of a New Type of Surgical Forceps for Ankylotomy
Authors: Jiang Ai , Zhang Qiang , Tang Wei , Wang Qi 
Published: September 2020

Abstract
In view of the existing clinical problems, we designed a new type of surgical forceps for ankylotomy. Through expounding the structure of the forceps, we analyzed the design and application principle. Using the novel forceps, we can fully expose the mouth floor and fix the tongue body well. The new type of surgical forceps is simple in structure, scientific in design and convenient in use.
Research on Test Method about Coupling Effect of Ultra Low Temperature and Mechanic Force
Authors: Ji Chenyu , Li Yang , Xie Zhongzhi , Yuan Qijie , Feng Wenqi , Ding Geyuan 
Published: September 2020

Abstract
This paper introduces the structure and application method of the self-designed ultra-low temperature mechanical loading test chamber, which can be used to study the coupling effect on building materials induced by temperature change and mechanic force. The results show that the lowest temperature in the chamber can reach to - 169 °C, which can cool the building materials to any specified temperature within 20°C and -169°C. The chamber has the functions of accurately controlling the temperature in the chamber and changing the force on the specimen independently, so that the specimen can always be in the coupling effect induced by temperature change and mechanic force. And the coupling correlation between such two effects can be tested by the device outside of the chamber.
Error Compensation Strategy for Roll Gap of Roller Crusher Based on Adaptive Reference Model
Authors: Yang Yinwei , Fan Kai 
Published: September 2020

Abstract
Roll gap between the two rollers of crusher is adjusted constantly to satisfy the particle size of output material. In order to realize convenient adjustment, a roll gap control scheme based on hydraulic technology is designed and optimized in this paper. And an adaptive reference model is applied to compensate synchronous error of the rollers. Then simulation model and algorithm structure are elaborated subsequently. Finally, an experiment platform is built to validate the performance of the proposed approach.
Fast Calculation of Material Radiation Damage by GPU Accelerated TRIM
Authors: Qi Meiling , Zhang Yanshi , Duan Jizheng , Chen Xiaolong , Yang Qiong , Yang Lei 
Published: September 2020

Abstract
An important function of TRIM is to research the radiation damage of ions implanted into materials. In this paper, GPU accelerated TRIM is developed for the fast calculation in study of material radiation bombarded by ions. The vacancies of iron induced by protons, alpha and carbon were simulated by GPU-TRIM. It reproduces the results well with SRIM2013. In the GPU test platform, TRIM achieves thousands of times the speed-up ratio.
Potential Development of Green Open Space and Forest of Pahandut Seberang Village, City of Palangka Raya
Authors: Hamidah N , Garib T W , Nindito D A , Santoso M 
Published: September 2020

Abstract
The research location is located in the village of Pahandut Seberang as a new village developed by Pahandut Village. Pahandut Seberang Village has vacant land in the form of forests and swamps that have not yet been developed as one of the potential development areas. Identification of a new green open space potential area is using figure ground analysis and history of place analysis. The purpose of this study is to identify the potential of the green open space and the development of urban forest tourism. The potential location is expected Pahandut Seberang Village, District of Pahandut, City of Palangka Raya. This location is closed to the Kahayan riverside area as a pilot project to environmental management and sustainability area in the future. The method uses qualitative methods through observation, surveys and interviews. Physical analysis is to identify green open space area in Pahandut Seberang Village using field observations such as: (1) land use development, (2) green open space area, and (3) built up area. Non-physical analysis is using of indepth interview from Pahandut Seberang community as a part of real participation to maintain the green open space and forest area in the future.
The Influence of Bamboo Fibers as Additive on the Mechanical Properties of High Strength Concrete
Authors: Yusra A , Salena I Y , Raka I G , Saputra E 
Published: September 2020

Abstract
The aim of this research is to investigate the influence of bamboo fiber on the mechanical properties of high strength concrete. The fiber was taken 0%, 0.5%, 1% and 1.5% against the weight of cement. The mix design conducted using weight comparison method. The test carried out at 28 and 56 days. The compressive and tensile strength test 28 days showed concrete obtained an average value of 62.47 MPa and 3.444 MPa for 0%, 59.83 MPa and 4.246 MPa for 0.5%, 59.07 MPa and 4.907 MPa for 1%, 54.92 MPa and 5.379 MPa for 1.5% bamboo fiber. The test at 56 days obtained 62.56 MPa and 4.907 MPa results with 0%, 60.77 MPa and 5.143 MPa at 0.5%, 59.82 MPa and 5.331 MPa at 1%, 55.11 MPa and 5.426 MPa with 1.5% use of bamboo fiber. The decrease in compressive strength on test 28 days occurred, which was close to the strength design, and there was an increase in the 56-day test. Tensile strength test of 28 and 56 days show an increase in each percentage of bamboo fiber added, where the optimal value obtained from the addition of 1.5% bamboo fiber.
Study on Partial Replacement of Sand with Fly Ash in Concrete Mixes Based on Pozzolanic Cementing Efficiency to the Strength-Weight and Cost-Strength Ratio
Authors: Mujiburrakhman M , Widodo S 
Published: September 2020

Abstract
The utilization of fly ash as sand partial replacement in concrete mix is an alternative solution for the depletion of sand resources in the Special Region of Yogyakarta. This research evaluates the effect of sand partial replacement with fly ash to the strength-weight and cost-strength ratio of concrete mixes. The strength-weight ratio was used for mechanical evaluation with higher value considered as better, while cost-strength ratio indicates its economic efficiency with lower value means more efficient. Four groups of test specimens with different amounts of fly ash were evaluated for its mechanical performance and economic efficiency. Various percentages of fly ash, sequentially 0%, 20%, 35%, and 50% were implemented in the mixes based on partial weight replacement of its components and the water-binder ratios were calculated based pozzolanic cementing efficiency method. The compressive strength was evaluated on 14 concrete cylinders with 150mm diameter and 300mm length for each variant that cured in 28 days water immersion. Test results shows that fly ash addition tend to reduce material cost and density of concretes, yet the compressive strength was not lower compared to normal concrete. Therefore, fly ash added concrete can be justified as better in mechanical performance and economically more efficiency.
Risk Management Affecting the Cost and Time of the Structure Work Development Project of High-Level Building (A Case Study of the Alton Apartment Tembalang City Semarang Project)
Authors: Husodo I T , Suwandi P A P , Gunawan A 
Published: September 2020

Abstract
Risk prevention using risk management is a process of identifying, measuring, ascertaining risk and developing strategies to manage risk. The purpose of this study was to determine the factors that influence the cost and time on the structure work of The Alton Apartment Development Project. The process is carried out through the identification stage, the analysis phase, and the risk response stage. The identification stage is done through a literature study, then the next step is to conduct a survey with the first stage questionnaire to validate the risks that occur. The analysis phase to determine the dominant risk is done by estimating the frequency and impact on costs and time, then classified with the Probability Impact Grid The risk response stage is to provide a risk response or a risk prevention solution. From the results of the study, there are six factors that affect costs and time, among others, the placement of moving material, the occurrence of loading and unloading queues, delays in the delivery of material, the existing utility systems that are not detected, and the low productivity of equipment. Having known these risk factors, precautions are taken to minimize the risk factors by providing a solution.
Structure Analysis of Cold-Formed Steel Roof Truss Post Office Branches Loa Janan
Authors: Pranoto Y , Jepriani S 
Published: September 2020

Abstract
Steel is one of the most widely used construction material for structural systems in modern construction. In recent years, Cold formed steel (CFS) sections-which is being another major type of steel sections and found to be an alternative to the familiar Hot rolled steel sections. The purpose of this research is to choose the best CFS products in terms of strength and safety which use for Loa Janan post office. This study begins by collecting primary and secondary data. Then look for references in CFS products in the field. In this study there is 4 CFS brands (Taso, Cici, Truss, and Kaso product). Than the sample of product will be testing in the laboratory. The loading is carried out guide [1]. Than to analyse of the CFS frame use [2]. For model using SAP 2000 application. The material used in this study were steel profile C 75 75 0.75 to tension members. From the results of the analysis. it can be concluded that of the 4 steel materials being studied all can withstand the load. However, the CFS brand Taso has the highest maximum stress of 46.27 KN. while the smallest Truss brand is 0.17 KN.
Literature Review on Energy Consumption in Road Construction Projects
Authors: Lendra  , Wibowo M A , Hatmoko J U D 
Published: September 2020

Abstract
At the initiation and design stage, the stakeholders (owners and planners) are faced with the choice to determine which type of pavement will be used in accordance with the budget provided yet they must also consider for the long-life maintenance and the environmental aspect the of the road pavement project. One indicator of an environmentally friendly road pavement project is that it must be low in energy and low in emissions. The aims of this study are to conduct a literature review to determine the extent of the previous research that have been carried out, as well as the consumption of energy in the construction projects. The results will be used as a basis for developing critical thinking and conceptual frameworks to fill the research gaps and provide novelty for further research. The study was conducted using a qualitative bibliometric analysis method by identifying selected academic publications from Scopus database with the use of VOSviewer software to process the data. The results of this study indicate that there is an opportunity to conduct research in order to develop energy optimization models for green and sustainable road construction projects from the design, construction, operation and maintenance stages.
Analysis of Highway Rates Based on Ability to Pay (ATP) and Willingness to Pay (WTP) (Case Study: Plan for Semarang Harbour Highway)
Authors: Zubet M A , Ismiyati  , Riyanto B 
Published: September 2020

Abstract
Government plans to build Semarang Harbor Toll road that connects Kaliwungu, West Semarang-Ahmad Yani Airport, North Semarang, Tanjung Emas Port, and Kaligawe to unravel congestion on existing roads where current conditions are not yet available integrated public transportation, this is indicated by high volume of traffic 3,949 pce/hour with a VCR value of 1.25. This study aims to analyze travel time on toll roads, the toll tariffs of Harbor Tolls based on analysis of Ability to Pay (ATP) and Willingness to Pay (WTP) and potential for traffic flow that moves from existing roads to toll roads using binomial logit method. Analysis results obtained Semarang Harbor Toll road rates for group I of Rp. 1,040/km, group II, tariff is Rp. 1,200/km and tariff of Rp. 1,300/km. There is a difference between ATP, WTP analysis and binomial logit analysis based on BOK for class I where toll road mode selection is Rp. 947/km, existing road Rp. 1,583/km. Then for Group II, the selection of toll road mode is Rp. 1,121/Km, the existing road Rp. 1,611/Km and class III obtained the selection of the mode of toll roads 1,206/Km, the existing road Rp. 1,876/km.
Study of Standard Trip Attraction Models of Various Land Use in the Surakarta City
Authors: Yulianto B , Setiono  , Sugiyarto  , Purnomo S , Prasetyo R A 
Published: September 2020

Abstract
The law states that every activity centre, settlement and infrastructure development plan that causes disturbance to safety, order and smoothness of traffic and road transport must be carried out traffic impacts analysis. The magnitude of traffic impact that occurs due to the building construction is influenced by the amount of trip generation and attraction that generated by the building activities. Standard value of trip generation and attraction of certain land use is important to be used as a reference in calculating performance of road network. The aim of study is to determine the trip attraction model of various land use including hotel and minimarket in the Surakarta City. Modelling analysis requires data such as vehicle volume in and out of land use and land use parameter such as the number of rooms for hotel and size of building floor area for minimarket. Based on these data then a modelling analysis is carried out using regression analysis to obtain a land use trip attraction model. The result of analysis shows that regression trip attraction models of 3-star hotel, 4 and 5-star hotels and minimarket are Y= 0.1123*X + 12.55; Y = 0.2853*X + 11.017 and Y = 0.2444*X + 0.5623 consecutively.
Polder System to Handle Tidal Flood in Harbour Area (A Case Study in Tanjung Emas Harbour, Semarang, Indonesia)
Authors: Wahyudi S I , Adi H P , Husni F 
Published: September 2020

Abstract
Tanjung Emas harbour is one of strategic harbours in Indonesia, which is located in Semarang City. Several problems arise nowadays; the drainage channel capacity decreases due to lack of treatment, rainwater storage reduced, land subsidence and the rise of tide sea level. The flood control used is polder system that classified into several clusters. The research location is focused on the Cluster IV, which the right side of harbour area. According to the data, catchment area is 29.3 hectares, the lowest elevation area is in +0,5 m, the dike elevation is +2 m LWS. Then retention pond area prepared is 900 m2 (0.3% of CA), retention pond depth - 2m LWS. Based on simulation using 2×0.3 m3/sec pump and rainfall intensity return period of 25 years 303 mm, fluctuation in water retention pond can be maintained in +0,5 m water level. It is recommended to add 0.3 m3/sec alternative pump. A pump of 3×0.3 m3/sec needs to be prepared. Based on the simulation, by Polder system, the flood problem in harbour area can be solved.
An Investigation of Wave Forces Acting on Vertical Coastal Structure
Authors: Widagdo A B , Cholishoh E , Setiawan J , Murtiaji C , Sujoko S U , Sukmana C I , Hamid A , Kustiyanto E , Purwoko A S , Wiguna E A , Dwimarta A S 
Published: September 2020

Abstract
Research on wave forces attacking a vertical structure has been conducted worldwide. Morison’s equation commonly used to describe the phenomenon of the action for offshore structures, while for nearshore structures Goda’s equation is more reliable. Wave impact on vertical breakwaters is dangerous for vertical structures, both for walls and columns. Wave pressure distinguished for wave crest and wave trough, assumed to be distributed as a trapezoidal shape like along the vertical wall. The wave force consists of wave pressure on the front of the vertical wall and buoyancy, and uplift pressure in the vertical direction. In this research, a 2-dimensional physical modelling is carried out to observe the response of a vertical structure due to a wave action. Wave forces are measured using a flexi force sensor for both horizontal and vertical forces. Time series of incident wave and waveforces acting on the structure are recorded simultaneously and it clearly depicts the relation between them. The wave forces at the structure are linear to the height of the action waves. Periodical wave action results in the pushing forces at the structure to be higher than the pulling forces, as extra drift forces appear due to the shallow water wave condition.
Environmental Vulnerability Assessment and Stormwater Management to Enhance Watershed Performance
Authors: Prastica R M S , Kurniawan R P , Apriatresnayanto R 
Published: September 2020

Abstract
The declination of environmental quality triggers several harmful impacts on society, such as the increasing of water-borne diseases, low quality of health, and lousy habitat ecosystem. The research aims to conduct a vulnerability assessment method of a watershed and to perform stormwater management to increase the catchment performance due to dynamic changes. The observation focused on Sugutamu sub-catchment, Depok, West Java. The evaluation includes sub-watershed map compilation, impervious cover calculation, river assessment, and restoration capacity evaluation. The result indicates that the sub-catchment describes as restorable non-supporting sub-watershed. There are three main regions in the sub-catchment. These areas have a percentage of impervious cover 95.6%, 72.5%, and 38.5%, respectively. Also, according to the future impervious cover prediction, these areas will have 97.8%, 95.3%, and 97.5%, respectively. The paper used the National Stormwater Calculator and EPA SWMM 5.1 software to visualize and to predict the future condition of sub-watershed with the various scenario. The application of low impact development (LID) in the research area declines the level of runoff, enhances the level of infiltration, and reduces the peak discharge. The research concludes that watershed vulnerability assessment, along with stormwater management, could control flooding in urban areas.
Marine Tourism Infrastructure and Human Resources Development
Authors: Wibawa B , Prijambodo T , Fauzi I , Shabrina N 
Published: September 2020

Abstract
In the development of marine tourism, two kinds of impacts on the environment will emerge, positive and negative. The positive impacts include: (1) increasing accessibility and economic activities (2) increasing amenities, and (3) creating attractions. The negative impacts include: (1) pollution of the environment, change the quality of the environment. (2) change the original shape of the Marine tourism area, and (3) social impacts. When the development concepts have been realized and managed optimally, it will automatically have a major impact on improving the community’s economy in a sustainable manner in the future, which will open up large enough jobs. On the outside the region, the community can feel the positive impact of the development of tourism and economic improvement, because the community can also take the opportunity to try in the fields related to the development of marine tourism around the area. Conversely, it could only receive bad consequences from the development of marine tourism. It can be concluded, that there will be sustainable development if there is a balance between infrastructure development and human resource development. This research is part of a case study on the initial concept of structuring the Gampong Krueng Raya coastal area, Sabang City, NAD, from the socio-economic aspect. This research uses descriptive qualitative and interpretative methods. Data and information obtained by literature study and field observations.
Mangrove Community Structure in Papuan Small Islands, Case Study in Biak Regency
Authors: Dharmawan I W E , Pramudji  
Published: September 2020

Abstract
Mangrove plays the importance of roles for the small island sustainability, both physically and ecologically. In the high-risk Pacific Ocean’s islands, small islands in Biak face typhoons, earthquakes, high waves, and tsunami effects. The study was conducted at 100 10mx10m-quadratic-plots scattered on seven small islands in Biak-Numfor Regency. Research objectives were to investigate the mangrove community structure of each island, i.e., canopy coverage, density, and morphological size, and to analyze the correlation among those parameters. The result found that mangrove was in pristine condition, large individual size with low anthropogenic threats. They were covered by a medium and dense canopy from 61.32±3.04% in Pasi to 93.88±0.14% in Meos Mangguandi. Substrate significantly influenced the level of canopy coverage and the MDS ordination of species composition. Sonneratia alba tended to be dominant in rocky sand in Pasi, Owi, Padaidori, and Wundi, while Ceriops and Rhizophora were mostly occupied the muddy sand, or Bruguiera gymnorrhiza has the highest domination in sandy mud substrate in Auki, Pai, and Meos. The canopy coverage had a significant correlation only with total density but none with the others. The height of the tree (up to 21.2 m) was found highly related to the diameter size (max: 124 cm).
Study of Mangrove Forest Change towards the Diversity and Carbon Stock of Mangroves in Segara Anakan, Cilacap
Authors: Nurmalahayati  , Ardli E R , Widyastuti A , Yani E , Piranti A S 
Published: September 2020

Abstract
Segara Anakan Cilacap, being the largest mangrove area in Java Island, is one example of a degraded area which is mostly caused by land conversion to farming lands, ponds, housing, and industrial properties affecting the mangrove community in various ways. The objective of this research is to know the diversity and carbon stock of mangroves in different types of environmental change in Segara Anakan, Cilacap, as well as to know the correlation between environmental factors in various types of environmental change with diversity and carbon stock of mangroves in Segara Anakan, Cilacap. This research was conducted using clustered sampling from 8 stations located at the ex rice field, ex shrimp pond, illegal cutting area, and forest. The highest diversity and carbon stock value belong to stations with forest habitats with a total of 34 tons/ha of carbon stock and the highest diversity of saplings in station F1 (1.80). Correlation values between diversity and environmental factors ranged from 0.172–0.449, whereas results between carbon stock and environmental factors range from 0.065-0.724.
Kandelia candel (L.) Druce Reproductive Organ Phenology, in Berbak and Sembilang National Park, South Sumatra
Authors: Marisa H , Sarno  , Ridho M R , Indriani D P , Wulansari P 
Published: September 2020

Abstract
A field observation has been done to know Kandelia candel reproductive organs phenology, at Berbak and Sembilang National Park, South Sumatra, from November 2018 until January 2019. This study aimed to find out the phenology of the K. candel in South Sumatra. The results of this study showed that flower initiation occurred in April, mature from November to January; 290 days period is needed by flower initiation until the mature propagule.