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Program Studi Teknik Sipil Universitas Kristen Maranatha, Jl. Surya Sumantri No.65, Sukawarna, Kec. Sukajadi, Kota Bandung, Jawa Barat 40164
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Jurnal Teknik Sipil
Published by Universitas Kristen Maranatha
ISSN : 14119331     EISSN : 25497219     DOI : https://doi.org/10.28932/jts
Core Subject : Engineering,
Civil Engineering, Building, Construction & Architecture
Jurnal Teknik Sipil is an Indonesia national wide accredited, peer reviewed, open access journal that publish and disseminate high quality, original research papers in Civil Engineering Field. Jurnal Teknik Sipil covers the following scope of research Structures, Geotechnics, Hydrology and Hydraulics, Transportation, Construction Engineering & Management, Infrastructure Management, Disaster Management, Materials Technology.
Arjuna Subject : Teknik (semua kategori) - Teknik Sipil dan Struktur
Articles 288 Documents
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PENGARUH PERBAIKAN TANAH FONDASI DAN PERKUATAN TERHADAP STABILITAS LERENG TIMBUNAN JALAN DI ATAS TANAH LUNAK Zul Aslam; Nurly Gofar
Jurnal Teknik Sipil Vol 18 No 2 (2022): Jurnal Teknik Sipil
Publisher : Universitas Kristen Maranatha

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.28932/jts.v18i2.4613

Abstract

The construction of toll roads in South Sumatra faces two problems. First, most of the road sections are built on soft soil deposits, so the soil must be improved to speed up consolidation process and to improve bearing capacity. Second, the embankment required to reach the design elevation of the toll road is quite high so that reinforcement is needed to improve slope stability. This paper contains the results of a study on the effect of soil improvement using PVD and vacuum pressure, installation of geotextile layers and pile at the toe of embankment slopes, on the stability of the embankment.  The analysis were carried out using data obtained from the construction of the Kayu Agung – Palembang toll road Section 1A, including geometry data, soil stratification, and configuration of PVD installation and soil reinforcement. Slope stability analysis was carried out using the Morgenstern & Price method which is integrated in SLOPE/W program. The results of the analysis show that the safe embankment height for the original soil condition is 3.5 m while the required height of embankment was 6 m. Analysis made for the 6 m high embankment using soil properties after ground improvement with PVD and vacuum pressure shows the FoS is still below 1.5. The presence of geotextile layers and pile improved the performance of the embankment and increased the FoS to 2.410. The slope is still in a safe condition with FoS of 1.762 after the construction of toll road and traffic load which induces a combined load of 35 kPa.
PENGARUH PERMEABILITAS TERHADAP STABILITAS KEAMANAN BENDUNGAN GUNUNGROWO Afrizon Kamiruddin; Abdul Chalid; Agus Sulaeman; Chandra Afriade Siregar
Jurnal Teknik Sipil Vol 18 No 2 (2022): Jurnal Teknik Sipil
Publisher : Universitas Kristen Maranatha

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.28932/jts.v18i2.4648

Abstract

Gunungrowo Dam has been establishing in 1925, it is located on the Wadi River. This dam is a homogeneous earthfill dam with a height of 20.5 m, with a storage capacity of 5.11 million m3 to supply irrigation water for an area of 6,000 Ha. Because the operational period is approaching 100 years, it is necessary to evaluate the level of stability and safety of the dam. The purpose of this study was to 1) determine the stability of the seepage safety in various reservoir water levels; 2) determine the slope safety stability (Safety Factor) of the dam in various reservoir water level conditions; 3) determine the effect of the dam body core permeability variable on seepage, and 4) determine the effect of the dam body core permeability variable on slope stability. The main discussion in this study is to analyze the stability of the dam safety using the GeoStudio-2012 computer program with SEEP/W features on seepage discharge and SLOPE/W on SF (Safety Factor) slopes. The SEEP/W modeling uses the concept of saturated soil mechanics. The input parameters for slope stability analysis are dam dimensions, type of material, bulk density (γ), cohesion (c), and shear angle (j). The study was conducted on all seepage discharge values and all SF values at minimum water level, normal water level, flood water level and fast receding with calculations without earthquake loads. The results of the study obtained that the SF value, discharge value, stable against landslide hazards and piping hazards met the safety requirements. Furthermore, from the seepage discharge value and the SF value, it is studied how the influence of the dam core permeability variable on the piping hazard and the potential for landslide hazard. From the results of the analysis, it is concluded that the greater the value of the permeability, the greater the seepage discharge and the greater the value of the permeability, the smaller the value of the safety factor.
PERENCANAAN DIMENSI KANTONG LUMPUR PADA INTAKE DAERAH IRIGASI CIHAREWOS Insan Fadil Insan Fadil; Feril Hariati; Alimuddin Alimuddin
Jurnal Teknik Sipil Vol 18 No 2 (2022): Jurnal Teknik Sipil
Publisher : Universitas Kristen Maranatha

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.28932/jts.v18i2.4652

Abstract

The Ciharewos River was affected by the Cidurian flood, resulting in a pile of sediment along the river channel, precisely behind the Ciharewos Dam building which resulted in the water quality of the Ciharewos Irrigation Area declining. The purpose of this study was to obtain the rate of floating sediment transport that would enter the intake using the Meyer Petter and Muller method. Next, plan the dimensions of the mud bag from the results of the sediment rate that has been obtained. The research phase begins by testing the suspended load and the base sediment sample, the flow velocity, and the required dimensions of the mud bag. The results of the analysis using the Meyer Petter and Muller method obtained a sediment rate discharge value of 3.04 m3/day. With a rinse time of fourteen (14) days, the volume of the mud bag required is 42.68 m3. The planning for the dimensions of the mud bag is carried out three (3) times with a minimum design water velocity limit (vn) of 0.30 m/s to 1.470 m/s, and a design channel width (bn) of 1.00 to 2.00 meters, so that the most economical ratio of mud bag dimensions is obtained. The most economical mud bag dimensions are obtained from Simulation III with design speed (vn) 0.30 m/s, design channel width (bn) 2.00 meters, height (hn) 0.76 meters, and length (L) 25, 47 meters.
Cover & Editorial Page Jurnal Teknik Sipil Vol.18 No.1 April 2022 Jurnal Teknik Sipil Universitas Kristen Maranatha
Jurnal Teknik Sipil Vol 18 No 1 (2022): Jurnal Teknik Sipil
Publisher : Universitas Kristen Maranatha

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.28932/jts.v18i1.4658

Abstract

Cover & Editorial Page Jurnal Teknik Sipil Vol.18 No.1 April 2022
KOMPARASI MODEL NUMERIK DAN FISIK PADA BANGUNAN PELIMPAH ALIRAN BEBAS DAN TERKONTROL : STUDI KASUS: BENDUNGAN LEUWIKERIS Gerald Guntur Pandapotan Siregar; Budi Prasetyo; R. Alfin Septya Nugroho
Jurnal Teknik Sipil Vol 18 No 2 (2022): Jurnal Teknik Sipil
Publisher : Universitas Kristen Maranatha

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.28932/jts.v18i2.4861

Abstract

The number of variables needed in the hydraulic structure design process is very difficult if all parameters are defined mathematically. Numerical model is one alternative that has been widely used by experts in solving these difficulties. This study was conducted to determine the ability of the numerical model implemented on the spillway structure of the Leuwikeris Dam to approach the physical model that had previously been carried out. Numerical simulations were performed using Open Foam software as a Computational Fluid Dynamics (CFD) tool. Simulations were carried out in three scenarios, namely on QPMF, Q1000, and Q100 discharge flows. Each scenario will review the water pressure force acting on the launch channel wall and the energy attenuation performance of the stilling basin. The results of the study show that the water elevation upstream of the spillway at the QPMF, Q1000, and Q100 discharge flows is in accordance with the results of the physical modeling that has been carried out. The water level elevation on the wall opposite the spillway and sluice gate needs to exceed the existing wall elevation for QPMF. If runoff during QPMF is not permitted, then the elevation of the top of the wall needs to be increased to an elevation of +155.00 m. The stilling basin has not been able to reduce the flow at the planned Q100 year discharge, so it is necessary to modify the existing design.
ANALISIS PERIODE GETAR ALAMI BANGUNAN MENGGUNAKAN MIKROTREMOR Rezqya Mustika; Rusnardi Rahmat Putra; Ressy Fitria
Jurnal Teknik Sipil Vol 18 No 2 (2022): Jurnal Teknik Sipil
Publisher : Universitas Kristen Maranatha

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.28932/jts.v18i2.5027

Abstract

The natural vibrating period (T) of the structure, which is the time for the building structure to travel a complete turn of a vibration that undergoes a static equilibrium position shift and returns to its initial position, is an important component in the planning of earthquake-resistant buildings. Based on research conducted on several buildings in California (USA) to estimate the value of T, the equation of T was produced T=ζ.N, where N is the number of building floors and the constant ζ is 0.1 (SNI-1726 2019). However, this equation has been used for quite a long time and needs to be updated. Thus, the objective of this study is to update the equation using the result of microtremor measurements on buildings in Padang City, Indonesia. The microtremor measurements generated an accurate T, which resulted from the experimentally obtained period (T). The produced T values are arranged based on the building floor, i.e.  0.298, 0.298, and 0.306 for T value of the 2nd floor to 4th floor, respectively. From those T values, an updated equation was obtained, namely T = 0.0039N + 0.2933, where T is the natural period and N is the number of building floors.
STUDI KELAYAKAN INVESTASI PEMBANGUNAN APARTEMEN MAHASISWA DI KECAMATAN SUKARAME KOTA BANDAR LAMPUNG Antusias Nurzukhrufa; Andi Asrul Sani; Thalitha Nurjannah
Jurnal Teknik Sipil Vol 18 No 2 (2022): Jurnal Teknik Sipil
Publisher : Universitas Kristen Maranatha

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.28932/jts.v18i2.5095

Abstract

The development of the Institut Teknologi Sumatera (ITERA) is growing rapidly along with the number of students which has an impact on the demand for student housing needs. The proliferation of housing with the target market of students around ITERA is unavoidable. However, until now, no developer or investor has seen this investment opportunity to build rental housing with apartment concepts around ITERA. Sukarame District is one of the sub-districts in Bandar Lampung City which is located directly adjacent to ITERA. The location is strategic because it has close access to the toll gate, is traversed by the Ryacudu road which connects the toll gate to the city center, and is directed as an educational and residential area. This study aims to determine the investment feasibility of building student apartments in Sukarame District, Bandar Lampung City. The method used to analyze investment feasibility is Capital Budgeting with 3 criteria, namely Net Present Value (NPV), Internal Rate of Return (IRR), and Payback Period (PP). The result is an NPV value of Rp. 387,851,947,410 which can be said to be feasible, with an IRR of 67%, greater than the discount rate of 4.26% so it can be said that it is feasible and PP with an investment period of 10 years has a payback period of 3.9 years which can be used. said to be worthy. From the results of the analysis of NPV, IRR, and PP, it can be concluded that the investment in the construction of student apartments in Sukarame District, Bandar Lampung City can be said to be feasible.
Potensi Metode Rainwater Harvesting dalam Pemenuhan Kebutuhan Air Domestik di SD Negeri 02 Gunung Terang Bandar Lampung Muhammad Hakiem Sedo Putra
Jurnal Teknik Sipil Vol 19 No 1 (2023): Jurnal Teknik Sipil
Publisher : Universitas Kristen Maranatha

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.28932/jts.v19i1.5112

Abstract

The city of Bandar Lampung has progressed quite rapidly in infrastructure development sector. Schools are one of the public infrastructure facilities that have experienced significant development, which is in line with the increasing number of school students in the city of Bandar Lampung. The increase in number of students is certainly linear with the basic needs of the school, both for existing facilities and infrastructure. One of the basic needs of schools is the need for water. In water supply, there are several alternative methods that can be used by the community, one of which is Rainwater Harvesting (RWH) or commonly known as Pemanenan Air Hujan (PAH) in Bahasa Indonesia. This study is intended to determine the potential of RWH when implemented in elementary schools. The first thing to do is to find out the secondary data in the form of the number of people in the school, the roof area, and the rainfall that occurs in the school. Then after obtaining secondary data, a simulation of the RWH is carried out, whether it can meet the domestic water needs of all people in the school. The general public is expected the benefit from this research as a reference, and the main thing is to become a reference for schools for Rainwater Harvesting (RWH) installations.
Analisis Kapasitas Drainase Jalan Piere Tendean Banyuwangi dengan Perangkat Lunak EPA-SWMM Gibran, Dean Alif; Badriani , Ririn Endah
Jurnal Teknik Sipil Vol 20 No 1 (2024): Jurnal Teknik Sipil
Publisher : Universitas Kristen Maranatha

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.28932/jts.v20i1.5194

Abstract

Community growth and increasing change over land functions made the road infrastructure unable to hold the runoff water that leads to the drainage. The area for the piere tendean road study became one of the areas in the city of Banyuwangi that have been flooded each year since 2015. The main factor that causes bad drainage lines is too narrow channels, the amount of garbage that covers the lines, and the high rainfall rates in the region. An analysis of the capacity of the channel was needed to see if the drainage line was still able to accommodate the runoff of water by using the 25-year for simulation flooding that ran into the drainage. Software environmental protection agency-storm water management model (EPA-SWMM) is one of the modeling applications that it was designed to reveal flood capacity levels in drainage lines. The research was to identify the flooding of the study area with the EPA-SWMM software at Piere Tendean road. The modeling SWMM was performed with the purpose of simulating runoff discharge of water at 2, 5, 10, and 25 years of age. On the 2 years there were 14 points of flooding. On the 5-year by 3 to flood, the 10 and 25 years increased by 1 to flood. Re-planning with a clogged normalization of the conduit, replacing new dimensions and adding outfall with a 25-year remodel could address the flood on piere tendean road as already done. Ecological drainage along with channel maintenance can minimize floods and standing water in piere tendean road.
Pengaruh Pembangunan Bendungan Paselloreng Terhadap Pemenuhan Kebutuhan Air Irigasi pada Daerah Irigasi Gilireng Ricky Zefri; Falci Isrami
Jurnal Teknik Sipil Vol 19 No 1 (2023): Jurnal Teknik Sipil
Publisher : Universitas Kristen Maranatha

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.28932/jts.v19i1.5230

Abstract

The construction of dams has an impact on increasing the availability of water in a certain area. The development of Sidrap Regency and Wajo Regency from year to year has caused the need of water for their residents  also increase. The construction of the Paselloreng Multipurpose Dam is expected to meet the water needs, especially during the dry season where the shortage is occurred and the planting intensity is 112%. In connection with the fulfillment of water needs from the constructed reservoir, it is necessary to analyze the water balance so the capability of Paselloreng Dam to fulfill the water needs could be evaluated.. According to the results of the research analysis, it was found that Paselloreng Reservoir can meet irrigation water needs using the rice-paddy-palawija cropping pattern starting early in November-2 to meet the maximum irrigation water requirement of 12.42 m3/s and the minimum requirement of 0.79 m3/s . The simulation results of the operation of the reservoir with the benefits of raw water and irrigation covering an area of ​​8,510 ha with a planting intensity of 270% for reliability above 80%. The simulation results have not taken into account the additional inflow discharge in the catchment area between the reservoir location and the Gilireng Weir location (water availability downstream of the reservoir). After the existence of a reservoir, the fulfillment of water needs can be fulfilled where before the existence of a reservoir.

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