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Journal : Jurnal Teknik Sipil dan Teknologi Konstruksi

Penjadwalan Proyek Konstruksi Dengan Penerapan Simulasi Monte Carlo Dian Febrianti; Bambang Tripoli; Zakia Zakia; Rahmat Djamaluddin
Jurnal Teknik Sipil dan Teknologi Konstruksi Vol 7, No 1 (2021): Jurnal Teknik Sipil & Teknologi Konstruksi
Publisher : Universitas Teuku Umar

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (453.309 KB) | DOI: 10.35308/jts-utu.v7i1.3274

Abstract

 The scheduling method that is often used in project planning in a deterministic way is the CPM method, the PERT method. However, in reality, uncertainty is often found in project completion, in accordance with the characteristics of a construction project that has a high level of risk. One of the methods used to determine the estimated project time is the monte carlo simulation method. The monte carlo simulation is a statistical sampling technique used to estimate solutions to quantitative problems. The research was conducted on the construction project of the Public Service Center (PSC) building in Krueng Sabee District, Aceh Jaya Regency. The purpose of this study is to determine the probabilistic method of scheduling and to explain the application of the monte carlo method for scheduling. The data used in this study are secondary data in the form of interviews and project implementation time schedule (curve S). Based on the monte carlo simulation that has carried out the distribution of completion on a public service center building construction project, the minimum value of the total project duration is 86.40 days, the maximum value of the total project duration is 105 days, and the mean value is 96 days. So the project can be completed within 96 days of the 100 plan days. So it can be concluded that the project is completed 4 days faster than the 100 day plan. Based on the above explanation, the Monte Carlo simulation is not significant enough to reduce the project duration, so that more significant work can be added or overtime. Keywords— Scheduling, Probabilistic, Simulation, Monte Carlo
ANALISA PEMAKAIAN ALAT BERAT EXCAVATOR DENGAN STRAIGHT LINE DAN REDUCING CHARGE METHOD Bambang Tripoli; Dian Febrianti; Musliadi Musliadi
Jurnal Teknik Sipil dan Teknologi Konstruksi Vol 4, No 2 (2018): Jurnal Teknik Sipil Dan Teknologi Konstruksi
Publisher : Universitas Teuku Umar

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (1001.305 KB) | DOI: 10.35308/jts-utu.v4i2.1989

Abstract

PT. Gramita Eka Saroja, which is engaged in providing construction services in Meulaboh, West Aceh Regency, has heavy equipment that requires initial investment and a significant operating cost. Technically the existing equipment can still be operated and be able to produce, but it is economically unprofitable. In the case of the issues raised by this study, it is closely related to the estimated cost of owning an excavator heavy equipment so that the company can overcome the problems related to the use of the tool by determining the depreciation and economic value of the tool. Based on the explanation, the problem and the objective of this research are how much the cost of owning costs must be calculated as long as the equipment is operated from new (purchase) in 2007 to 2018 with the economic life of the excavator heavy equipment is 11 years of use, if it is considered depreciating based on the straight-line method and the depreciation method decreases every year. Based on the calculation of depreciation per year by the straight-line method of Rp. 38,636,364 per year, with working hours Rp. 100,000 per hour / year. In the method of a balanced reduction in depreciation in 2007 Rp. 100,413,223 and in 2018 amounting to Rp. 20,059,008, while the total value of the year produced Rp. 95,764,463 with a 2007 book value of Rp. 187,471,826 and in 2018 amounting to Rp. 8,705,860 with a book value (residual value per year) Rp. 100,413,223. Bank, insurance and tax interest rates are Rp. 18,953 per hour.Keywords: excavator, owning cost, depreciation, economic life.
PERENCANAAN TENAGA KERJA DAN BIAYA TENAGA KERJA PADA PEKERJAAN BETON STRUKTUR KOLOM Dian Febrianti; Zakia zakia
Jurnal Teknik Sipil dan Teknologi Konstruksi Vol 5, No 1 (2019): Jurnal Teknik Sipil Dan Teknologi Konstruksi
Publisher : Universitas Teuku Umar

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (320.424 KB) | DOI: 10.35308/jts-utu.v5i1.1081

Abstract

The project is a group of interconnected activities where there are starting points and end points and certain results. Projects usually require various skills from various professions and  organization.  The  resources  used  during  construction  are  men,  money,  materials, machines, methods, marketing, and information. Manpower / human resources is one of the most important factors of project success. In addition, another important factor is planning labor costs, because to find out the amount of costs incurred on the project. The purpose of this study is to find out the labor requirements and the amount of labor costs, as well as knowing the accumulation of labor needs and the greatest costs for a given week and the causes, especially the concrete work of column structures. In writing this final project, the method of calculating the amount of labor and costs is used with the help of Microsoft Excel, then visualized through graphics. The data used in this study is secondary data consisting of drawing plans, Budget Plan (RAB), time schedule, progress, and work plans. This study resulted in the calculation of labor requirements, in the column structure, namely 582.21 OH. With details, workers 442.96 OH, artisan94.29 OH, artisan head 23.46 OH, and Overseer 21.51 OH. The labor cost needed to finance this work is Rp. 26,249,643.00. The use of the largest costs occurs at week 4, costs Rp. 4,902,580.00 and the smallest costs occur at week 2 of Rp. 337,608.00. Based on this research, labor requirements and labor costs have been well distributed
ANALISIS PENGARUH PENGGUNAAN ABU SABUT KELAPA SEBAGAI FILLER PADA CAMPURAN ASPAL RETONA BLEND Meylis Safriani; Dian Febrianti
Jurnal Teknik Sipil dan Teknologi Konstruksi Vol 2, No 2 (2016): Jurnal Teknik Sipil Dan Teknologi Konstruksi
Publisher : Universitas Teuku Umar

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (249.243 KB) | DOI: 10.35308/jts-utu.v2i2.388

Abstract

Transport infrastructure is one element of the regional development is indispensable for the smooth access to the existing facilities in the region. The material used in the construction of highways, among others, aggregates, asphalt and filler. During this time the filler material that is often used in asphalt mixtures are cement, lime, stone dust, fly ash. However, these filler materials inventory is limited and relatively expensive. Accordingly, the need to find alternative cheap and easily obtained. One alternative is the utilization of local natural resources. The ash of coconut fiber can not be used anymore and are usually thrown away by society. By using the principles of reuse, recycle and recovery, coconut husk ash is expected to be recovered thus reducing the waste bin. The purpose of this study was to determine the effect of the use of coconut husk ash as filler to mix asphalt Retona Blend 55 and to find out the coconut husk ash can be used as a substitute for the filler material mixture highway or not. The method in this study using laboratory experiments. The research showed that most of the physical properties meet the requirements prescribed specifications. Examination of the physical nature of asphalt Retona Blend 55 which includes examination density, penetration, ductility, and the softening point indicates that the asphalt can be used for fulfilling the requirements set. The composition of the mixture that the best results are with the composition of the mixture by using coconut husk ash as filler by 4.5% with the optimum asphalt at 6.25%. The use of optimum asphalt of 6.25% resulted in a value of 1295.47 kg stability, flow plastically 4.0 mm, MQ 328.51 kg, density of 2.21 g / cm3, VIM 5.43%, 17.89% VMA, VFB 70.17%. Those values have been in accordance with the standard specifications of the Department of Public Works.Keywords: filler, coconut husk ash, Retona Blend 55, mixture of asphalt
Analisis Produktivitas Alat Berat Pada Pekerjaan Timbunan Dian Febrianti; Zulyaden Zulyaden
Jurnal Teknik Sipil dan Teknologi Konstruksi Vol 4, No 1 (2018): Jurnal Teknik Sipil Dan Teknologi Konstruksi
Publisher : Universitas Teuku Umar

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (93.578 KB) | DOI: 10.35308/jts-utu.v4i1.586

Abstract

Heavy equipment plays an important role in terms of speed and acceleration of work. The road improvement project of Suka Makmue Square - the eastern ring road of capital of phase II, funding from OTSUS budget of Nagan Raya Regency with project cost Rp.3.922.503.000, - road length 2475 m The work followed is preferred heap work, B-class aggregate foundation layers, class A aggregate foundation layers. This research uses heavy equipment dump trucks, motor graders, roller vibrators, water tanker trucks. The purpose of the research is to know the productivity of heavy equipment and to know the time needed by heavy equipment to complete the work. The method used is the calculation method manually using the formula productivity. Based on the calculation of productivity at occupation of accumulation using dump truck production per hour 32,4 m/hour, production per day 259.2 m/day with 11 days, 6 days class B class aggregate work, 4 days class A class aggregate work, motor grader production hourly 128,3 m /hour, production per day 1026,43 m3/day with time 3 day, 2 days class B class aggregate work, 1 day class A class aggregate work, vibrator roller production hourly 64,8 m3/hour, production per day 518,4 m3/day with time 6 days, 3 days class aggregate layer work B , 2 days class A class aggregate work, water tankers truck production per hour 16.2 m3/hour, production per day 129,6 m3/day with 21 days, 11 days class B aggregate work, 8 days class A class aggregate work  Keywords-productivity, heavy equipment, time of work.
Analisa Tingkat Kerusakan Struktur Kolom Terkena Tsunami Samsunan Samsunan; Dian Febrianti
Jurnal Teknik Sipil dan Teknologi Konstruksi Vol 4, No 1 (2018): Jurnal Teknik Sipil Dan Teknologi Konstruksi
Publisher : Universitas Teuku Umar

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (256.305 KB) | DOI: 10.35308/jts-utu.v4i1.591

Abstract

 Tsunami that occurred in Aceh at the end of 2004. has affected the buildings affected by the tsunami. The purpose of this study is to determine the condition of the current state and to analyze the level of damage to the structure of the column affected by the tsunami, one of which is the building of UPTD Bina Marga and Cipta Karya IV Meulaboh. This research is done by direct survey method to the field and conduct damage analysis of buildings based on Regulation of Minister of Public Works No.16/PRT/M/2010 on the technical guidance of periodic inspection of buildings. The result of the analysis is done classification level of damage according to the standard in Regulation of Minister of Public Works No.24/PRT/M/2008 about building maintenance and maintenance guidelines. The results showed that the column of the affected buildings had decreased the strength of the concrete, the condition of the column structure was all cracked and broken, most of the concrete blankets had been peeled, the main reinforcement conditions were corroded and some of the stirrup bones were broken. The result of concrete quality test is 114,41 kg/cm² lower than normal concrete strength. The results of the study and analysis that the affected columns on the buildings of UPTD Bina Marga and Cipta Karya Region IV Meulaboh are classified as heavy damage, the building of UPTD Bina Marga and Cipta Karya IV Meulaboh is not functional Keywords: Level of damage, Column Structure, UPTD Bina Marga Meulaboh and Cipta Karya IV Meulaboh region.
Studi Penelitian Kuat Lentur Balok Beton Di Dalam Air Payau High Performance Teuku Farizal; Zakia Zakia; Dian Febrianti; Andrisman Satria; Murhaban Murhaban; Al Munawir; Bambang Tripoli
Jurnal Teknik Sipil dan Teknologi Konstruksi Vol 8, No 2 (2022): Jurnal Teknik Sipil dan Teknologi Konstruksi
Publisher : Universitas Teuku Umar

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (582.583 KB) | DOI: 10.35308/jts-utu.v8i2.6139

Abstract

Penelitian ini dilakukan untuk mengetahui efektifitas penggunaan admixture dalam air payau tanpa pemadatan. Variasi penambahan jumlah admixture 8% dan 12% dari berat semen dan perbandingan dengan tidak menggunakan admixture serta perbandingan tanpa menggunakan admixture tidak menggunakan admixture. Ukuran benda uji dalam penelitian ini adalah (15 x 15 x 60) cm, faktor air semen (FAS) 0,35 dan 0,40. Jumlah sampel untuk umur pengujian 7 hari 12 sampel dan umur pengujian 28 hari 12 sampel. Dalam penelitian ini menggunakan Sikacrete-w produk dari PT.Sika Indonesia. Pengujian sampel dilakukan di Laboratorium Bahan dan Konstruksi Fakultas Teknik Universitas Syiah Kuala. Dari hasil penelitian, penggunaan admixture 12% sangat berpengaruh terhadap kekuatan lentur beton baik umur 7 hari maupun 28 hari dalam air payau tanpa pemadatan. Hasil pengujian umur 7 hari dengan FAS 0,35 nilai kuat lentur beton rata-rata 27,73 kg/cm2 dan umur pengujian 28 hari nilai kuat lentur balok beton rata-rata sebesar 35.38 kg/cm 2 . pengujian dengan FAS 0,40 umur 7 hari nilai kuat lentur beton rata-rata sebesar 23.20 kg/cm 2 dan umur pengujian 28 hari nilai kuat lentur beton rata-rata 29.87 kg/cm 2 .