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Proceeding of World Conference
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Proceeding of World Conference, is Publication of conference articles in the field of multidisciplinary sciences published by the World conference; aims to make it easier for readers and writers to access articles during time and make it easier to download and distribute.
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Articles 265 Documents
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Analysis Foundation Planning Bored Pile Pier P1 Sta 8+442 Project Toll Road Depok – Antasari Section Ii Fadhillah Arizky Noor; Resi Aseanto
Journal of World Conference (JWC) Vol. 3 No. 1 (2021): January 2021
Publisher : NAROTAMA UNIVERSITY, Indonesia

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Abstract

The purpose of this study is to plan a construction stability of the upper and lower structures in the construction of the Depok - Antasari toll road section II, especially in the planning of a foundation. The foundation used in pier p1 is the foundation in the bored pile type. In planning the foundation, it is necessary to take into account the load force acting on the pier, the bearing capacity of the foundation piles, and the settlement. Analysis of bridge loading calculation (Badan Standarisasi Nasional, 2008) and (Badan Standarisasi Nasional, 2008) using a software program, namely SAP 2000 v.20. The purpose of this loading analysis is to find the value of the pier bearing reaction force to the working forces, both from the fixed load force and the environmental action load. In order for the purpose of this study to be achieved, literature studies from various sources both from the Indonesian National Standard and various other sources discuss the planning of foundation calculations, namely the AASHTO, Kullhawy, Vesic and Reese Wright methods. The results of this study explain that it must be paid attention to planning a foundation that meets the parameters and structures that are safe against earthquakes and other loads, it is also necessary to take into account the momentary reaction force, bearing capacity of the pile and land subsidence according to national standards.
The Effect of Plastic Pellet Substitution on Fine Aggregate and Gypsum Waste Substitution in Cement on the Compressive Strength of Lightweight Concrete Muhammad Galuh Firdaus
Journal of World Conference (JWC) Vol. 3 No. 1 (2021): January 2021
Publisher : NAROTAMA UNIVERSITY, Indonesia

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Abstract

Concrete is an important constituent material in a construction, concrete also has the constituent materials such as cement, aggregate, and water. However, the use of such compound materials can make an impact on health and environment, as cement production can produce CO2 emission gases, and the aggregate use resulting from mining activities can damage the environment in a long period of time. The experimental method, which is ways to reveal the causal relationship between two or more variables through careful experiments. These two forms are: exploratory experiments (aimed at the problem and hypothesis) and development experiments (aimed at proving hypotheses to make common generalizations.. Results of the test that has been conducted that strong press concrete on the 7th day with a strong result of the highest press obtained from a variation D of 9.76 MPa with a mixture of plastic seeds 0.6% and the waste of the 10%. Results of tests that have been conducted that strong press concrete on the 14th and 21st days with strong results of the highest press obtained at a variation of C amounted to 5.10 MPa on the 14th and 5.25 MPa on the 21st day with a mixture of 0.6% plastic seeds and a 5% waste of the range. The result of the test has been conducted that strong press concrete on the 28th day with a strong result of the highest press obtained from A Variation of 12.43 MPa with a mixture of 0.5% plastic seeds and a 5% of the waste of the. For the results of the overall variation that meets the quality of concrete with a target of K-125 on the 28th day of the variation A of 12.43 MPa, variation B of 10.60 MPa, C Variation of 11.32 MPa, D Variation of 10.21 MPa.
Analysis of Cost and Quality Comparison of Recycling Project Fence (RFP) with Zincalume Project Fence : Case Study Project X in Jakarta Egar Albert; Yopi Lutfiansyah
Journal of World Conference (JWC) Vol. 3 No. 1 (2021): January 2021
Publisher : NAROTAMA UNIVERSITY, Indonesia

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Abstract

The fence of the project is a fence established on the project land for the safety boundary of the project during the period of implementation of the project, according to The Perda Dki No.7 Year 1991 the fence of the project should pay attention to the safety and harmony of the surroundings and have a height of at least 2.5 meters. The cost of installing a project fence requires a relatively high cost on a project that has a long perimeter area. Project Fence usually uses zincalume material and is often a problem of construction waste because the material is not durable, this led to the innovation of Recycling Project Fence (RFP). In this study, the authors conducted a cost and quality comparison between the two materials by conducting cost analysis in accordance with the contractor's cost analysis and disseminating 2 stages of questionnaires on quality comparison to experts and respondents who are contractor employees who are accustomed to using RFP. The results of the questionnaire will be conducted to test validity and reliability using statistical software and analysis of relative importance index (RII). The result of this study is the total cost required for PPDU Rp.1,097,864,515 and the total cost required for fencing the zincalume project Rp. 980,546,545 where PPDU is more expensive Rp. 117,317,979 or 10.69%. with the most influential variables on the comparison of RFP quality with Zincalume are Features (0.860), Durability (0.851), Aesthetics (0.850), Performance (0.823), Reliability (0.693). So that the cost of fencing zincalume project is more effective while ppdu quality is more effective to use.
Analysis of Road Performance and Vehicle Parking Characteristics in the Halim Perdanakusuma International Airport Area Andri Irfan Rifai; Khairul Hafis
Journal of World Conference (JWC) Vol. 3 No. 1 (2021): January 2021
Publisher : NAROTAMA UNIVERSITY, Indonesia

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Abstract

The Corona virus that broke out around the Wuhan area in December has spread in 100 countries and caused more than 100,000 people worldwide to test positive for infection. The impact of this pandemic has caused countries to close access in and out to their respective countries, including Indonesia, which has caused threats to the economy, especially in the aviation sector. The aviation sector which was affected by the Covid-19 epidemic affected all sectors in it including airport operations, namely the parking revenue sector. The decrease in the number of aircraft use has an impact on the number of vehicles entering and exiting which results in a significant decrease in the parking revenue itself. Therefore, the purpose of this study is to determine the performance of roads and vehicle parking characteristics. The method used in this research is to conduct direct field surveys including parking accumulation, parking duration, parking lot capacity, road geometry, traffic volume, side friction and vehicle speed. The analysis results obtained that the parking characteristics for the highest accumulation of four-wheeled vehicles are 1038 vehicles and 329 vehicles for two-wheeled vehicles, parking duration ranges from <1 hour for cars and> 7 hours for motorbikes, the highest parking volume is 3578 cars and 1180 motorbikes, turnover rate parking lots on average 0.14 cars / plot and 0.04 motorbikes / parking lot. The average car index is 82.9% and 33.1% for motorbikes, so that vehicle parking at the airport still accommodates parking demand. The impact of the Covid-19 pandemic caused a decrease in vehicle volume by 91% for four-wheeled vehicles and 55.4% for two-wheeled vehicles. In terms of parking characteristics, vehicle parking at Halim Perdanakusuma International Airport can still accommodate requests. For the performance of the Angkas I Halim Perdanakusuma road section.
The Effect of Variations of Cese Waste Waste Levels on Marshall Parameters in Ac-Wc Layer Muhammad Isradi; Imam Sindu Baskoro; Jaewono Prasetijo; Sumiyati
Journal of World Conference (JWC) Vol. 3 No. 2 (2021): March 2021
Publisher : NAROTAMA UNIVERSITY, Indonesia

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Abstract

In the asphalt pavement mixture, filler is needed to support the performance of the pavement construction in order to withstand traffic loads. Various types of fillers have been widely used, including rock ash, portland cement and others. However, the limitation of natural resources encourages the use of waste materials in the construction of road pavements, a potential for the production of bagasse. In this study, sugar cane waste was used as a filler in the asphalt pavement mixture. The research method used is an experimental method, where the experiment is carried out to obtain a data set and analysis of test results. The test was carried out in 2 stages, namely testing the test object with Portland cement filler which was carried out to obtain Marshall parameters and KAO values ??and testing of the test object with bagasse ash filler to produce Marshall parameters and optimum filler content values. The results showed that the use of bagasse ash waste with a proportion of 5% to the weight of the filler increased stability. Tests carried out on the AC-WC layer mixture obtained the KAO value of 5.7% and the optimum filler content of 5.5%. The stability value with 7% bagasse ash filler obtained 1237.1 kg by immersing the test object for 30 minutes and 1156.4 kg with 7% bagasse ash filler by soaking the test object for 24 hours at 60 ° C, meeting the minimum requirements of 800 kg.
Analysis of the behavior and performance of the short link eccentric brace frame type multistory x-brace with variable link length and L / H ratio Aseanto Resi
Journal of World Conference (JWC) Vol. 3 No. 1 (2021): January 2021
Publisher : NAROTAMA UNIVERSITY, Indonesia

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Abstract

In the process of planning earthquake-resistant building structures, steel structures are still an option. This is because steel material has relatively high load resistance and elastic properties of steel which contribute to better ductility and energy dissipation than concrete. Eccentric Brace Frame System (SRBE) is a lateral load bearing system that has good strength, stiffness and ductility. In this study, the SRBE Short Link Multistory X-bracing type structure with variable link length and L / H ratio was evaluated using pushover analysis to determine the structure's behavior and performance in terms of stiffness, strength and ductility of the structure. The analysis was conducted on 9 10-story building models with different link lengths and L / H ratio. From the results of the comparative analysis of each structural model, it is found that the C2 model with a link length of 900 mm and an L / H ratio of 1.5 has a stiffer structure. Model C3 with a link length of 900 mm and a ratio of L / H = 1.75 has a greater strength to withstand earthquake loads. The use of a link length of 300 mm and an L / H ratio = 1.5 results in an increasingly ductile structure. The results of the structural performance are at the Immidiate Occupancy level, but there are several models with one of the X or Y load directions that have a Life Safety structural performance level. The use of a link length of 300 mm and an L / H ratio = 1.5 results in an increasingly ductile structure. The results of the structural performance are at the Immidiate Occupancy level, but there are several models with one of the X or Y load directions that have a Life Safety structural performance level. The use of a link length of 300 mm and an L / H ratio = 1.5 results in an increasingly ductile structure. The results of the structural performance are at the Immidiate Occupancy level, but there are several models with one of the X or Y load directions that have a Life Safety structural performance level.
Analysis of Traffic Accidents and Handling with Aek and Bka Methods to Determine Accident-Prone Areas: (A Case Study of The Bogor District Government Road Area) Andri Irfan Rifai; Muhammad Farhan
Journal of World Conference (JWC) Vol. 3 No. 1 (2021): January 2021
Publisher : NAROTAMA UNIVERSITY, Indonesia

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Abstract

Bogor Regency with the largest population in Indonesia, namely as many as 5.9 million people. With the population in the area classified as very large, the number of traffic accidents in Bogor Regency is high, namely 357 accidents in 2018. It affects the level of traffic density, but this condition is not balanced with adequate road facilities and infrastructure and public transportation. Of course this causes an increase in the volume of traffic in the Bogor Regency Regional Government Road Area and also increases the potential for accidents. The research objectives were to determine the performance of roads, accident-prone roads, dominant causes of accidents, and to know the prevention of accidents in the Bogor District Government Road Area using the Accident Equivalent Rate (AEK), Upper Control Limit (BKA) method. Based on the analysis, it is concluded that Jalan Raya Bogor, Jalan Raya Sukahati - Karadenan, and Jalan Tegar Beriman are included in the category of roads prone to traffic accidents, because they have AEK values that exceed or are greater than the BKA and UCL values. The most common type of accident was Front-Forward crash, which accounted for 39.51% of the total number of accidents. The time of accidents that most often occur in the area of Bogor Regency Regional Government Road is in the morning at 00.00 WIB - 06.00 WIB with a percentage of 28.53% of the number of accidents.
Study of Bridge Upper Structure Design with Composite Box Girder for Coal Mining Trailer Loads: (Case Study: Belayan River - Kutai Kartanegara) Donald Essen; Sudrajat
Journal of World Conference (JWC) Vol. 3 No. 1 (2021): January 2021
Publisher : NAROTAMA UNIVERSITY, Indonesia

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Abstract

In the process of mobilizing coal on mine hauling road, which have to cross rivers, a bridge that is capable of carrying the traffic load from the mining truck is required. This study aims to plan a bridge structure with a composite box girder for coal mine trailer loads. In this study, the authors conducted a loading analysis based on SNI 1725 (2016) and planning the cross-sectional proportions based on the applicable provisions in (AASHTO, 2017). This research was carried out in several stages, starting from design of section proportions, flexure design, shear design, stiffener and shear connector. The results of this study show that the composite box girder can be applied at the research location and also the proportion of the cross-section that is able to withstand traffic loads working on the bridge structure with a nominal moment resistance value of 78856.13 kN.m which is greater than the ultimate moment due to loading that occurs with a value of 66912.64 kN.m.
Analysis of The Acceleration of Time and Cost of Construction Projects by Adding Labor and Working Hours (Overtime) using The Time Cost Trade Off Method (Case study: Construction of The Conexio Apartment Project) Hamonangan Girsang; M. Andi Wahyud
Journal of World Conference (JWC) Vol. 3 No. 2 (2021): March 2021
Publisher : NAROTAMA UNIVERSITY, Indonesia

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Abstract

Systematic project management is needed to ensure the project implementation time is in accordance with the contract or even faster, so the cost incurred can provide benefits and also avoid the existence of fines due to delays in project completion. This study discusses the acceleration of time and cost project in the implementation of high rise building construction projects using the Time Cost Trade Off method. The author will analyze the scenario of accelerating the completion of the project by comparing the addition of working hours by 4 hours (scenario 1) and additional labor (scenario 2). The results of the analysis found the estimated time to accelerate the implementation of the project is from the normal duration of 600 calendar days, after a crash duration there is an acceleration of time to 582 calendar days. With a time efficiency of 18 days / 3.00%. The total cost due to acceleration of time (including indirect cost) for the addition of overtime hours for 4 hours (scenario 1) obtained a normal cost of IDR 66,637,746,719 (excl. VAT), then after the crash cost there is an increase in the cost to IDR 70,224,661,008 (excl. VAT) with an over cost of IDR 3,586,914,289 / 5.38%. Whereas with the addition of labor (scenario 2) a normal cost of IDR 66,637,746,719 (excl. VAT), then after the crash cost there is an increase in the cost to IDR 71,454,128,134 (excl. VAT) with an over cost of IDR 4,816,381,415 / 7.23%.
Comparative Analysis of Semi Basement Wall With Different Cohesion and Basement Depth in West Jakarta Luthfy Alfarizi; Resi Aseanto
Journal of World Conference (JWC) Vol. 3 No. 2 (2021): March 2021
Publisher : NAROTAMA UNIVERSITY, Indonesia

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Abstract

DKI Jakarta has a population density of 19,516 people / square km. Government of Jakarta in the PERDA DKI Jakarta No. 7-2010 CHAPTER 5 Article 42 Paragraph 1 states that "every building must provide parking space". To overcome this, semi-basement will be an option to make a parking space that does not require too much excavation costs. This analysis will compare two types of retaining walls, cantilever retaining walls and conventional retaining walls using the Rankine method for static conditions and the Mononobe-Okabe method for dynamic conditions. This analysis results in the conclusion that for a depth of 2.00m, conventional walls are found to be more efficient in terms of costs with a difference of up to Rp. 178,700 / m’. For soil with a depth of 1.75m, cost efficiency depends on soil cohesion. For the higher soil cohesion, the cost of making cantilever walls is more efficient, reaching Rp. 130,600 / m '. For soil with a depth of 1.50m, with higher cohesion, the cantilevered wall will be more cost-efficient than conventional wall making, reaching Rp. 232,400 / m’.

Page 16 of 27 | Total Record : 265

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