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INDONESIA
JURNAL KARYA TEKNIK SIPIL
Published by Universitas Diponegoro
ISSN : -     EISSN : -     DOI : -
Core Subject : Engineering,
Civil Engineering, Building, Construction & Architecture
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Articles 34 Documents
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Search results for , issue "Volume 2, Nomor 1, Tahun 2013" : 34 Documents clear
STABILISASI TANAH DENGAN FLY ASH DAN SEMEN UNTUK BADAN JALAN PLTU ASAM-ASAM Huri, Andreas Dharmawan; Yulianto, Kristian; Retno Wardani, Sri Prabandiyani; Hardiyati, Siti
Jurnal Karya Teknik Sipil Volume 2, Nomor 1, Tahun 2013
Publisher : Departemen Teknik Sipil, Fakultas Teknik Universitas Diponegoro

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Abstract

The huge amount of coal waste (fly ash) produced by Acid plant could be use the main material for soil stabilizing at thr road ro plant acids Because it has the CBR value ≤ 6% is 3.52% roomates minimum limits allowed by SNI 03-1744-1989 and also to solve enviromental pollution problems, but certainly how much fly ash is used in order not to polute the environment Necessary to conduct futher research.In this research, the chemical stabilization method used to repaired the base soil condition is by the base soil mix with a combine of protland cement and fly ash as stabilizing agent in various ratios; 4% PC + 5% FA, 4% PC + 8 % FA, 4% PC + 10% FA, 2% PC + 7% FA, and 4.5% PC + 8% FA by weight of dry soil. The result of original soil tests indicate the clasification is clay with high plasticity (CH) According to the Unified System and grade A-7-6 According to AASHTO. The result of CBR test with various mixed ratio in soaked condition by 0, 4, and 7 days show the CBR value is increasing. The maximum increase of is%, happened in various optimum mix ratio of 4% PC + 8% FA for 4 days of soaked time. The conclusion is that the optimum use of fly ash at 8% could be used to solve environmental pollution problems and also used as stabilizing agent at the road to the power plant Acid.
ANALISIS KINERJA JALAN DAN PERKERASAAN LENTUR AKIBAT PENGARUH MUATAN LEBIH (OVERLOADING) Rikki Andreanus Situmorang; Puji Wibawa Wartadinata; Bagus Hario Setiadji; Supriyono Supriyono
Jurnal Karya Teknik Sipil Volume 2, Nomor 1, Tahun 2013
Publisher : Departemen Teknik Sipil, Fakultas Teknik Universitas Diponegoro

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Abstract

Semarang roads - Kendal, which is part of the North Coast, an arterial road linking central basis of national economic activity. With the increased traffic on North Coast Road, and included on this road, especially with the presence of a growing number of trucks that are overweight  overloaded on this road, so for the next few years is expected to be down this path of service, either in terms of traffic performance and the performance of the pavement. Given these problems, this study is conducted to evaluate the performance of road traffic Semarang - Kendal and estimate the need for the added layer of the existing pavement as a result of overloading (overloading) is. For purposes of analysis, the method used in this research capacity (MKJI) to analyze traffic performance, and methods of Highways 2002 to analyze the needs of additional layers as a result of overloading. From the results of the analysis, found that the value of the performance of the traffic for the roads to be reviewed on line Semarang - Kendal, the value of DS = 0.74 in 2019, while in the opposite lane (Kendal - Semarang) DS values obtained larger is equal to 0.79; thus advisable to increase the geometric path (such as road widening) or by shifting part of the burden to the rail mode as a solution to improve traffic performance in the coming years. As for the analysis of the existing pavement, this study used two types of load, which is ideal load (with reference to the amount of the allowable load or JBI) and actual load (of the survey). The analysis showed that in the year 2019 plan, the road Semarang - Kendal takes a thick layer added by 6 cm (for ideal weight) and 10 cm (for actual expenses). If the residual life analysis, then by applying the actual load on the existing pavement was found that the existing pavement structure can only support the weight overload for 4 years and 2 months of age 10-year plan.
EVALUASI KELONGSORAN PADA RUAS JALAN WELERI – PATEAN KM50 DAN ALTERNATIF PENANGANANNYA Tanro, Danni; Hidayat, Moh. Ariawan; Retno Wardani, Sri Prabandiyani; Atmanto, Indrastono Dwi
Jurnal Karya Teknik Sipil Volume 2, Nomor 1, Tahun 2013
Publisher : Departemen Teknik Sipil, Fakultas Teknik Universitas Diponegoro

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Abstract

Road between Weleri - Patean is a national road that has an important role in regional and national economic development. The road is an alternative route that connects the “Pantura” to the “Selatan” route. In January 2012, there was a catastrophic landslide occurred in kilometers 50 from Weleri to Patean. It’s 6.8 meters in height and 8 meters in lenght landslide. As result,, only half the roads are passable by vehicles, and by the implementation of on way system, the flow of traffic became pretty slow.After slope stability analysis using Fellenius method is performed, it is shown that the SF or safety factor of the slope is 0.665 and for 1.284 by using Plaxis V.8.2 program. Both SF less than normal safety factor which is 1.3. So it can be inferred that the slope is in critical condition. Therefore, it is very important to install special reinforcement to restrain or stabilize the slope.The first alternative of slope reinforcement is gabion, the second alternative is retaining wall and the third alternative is steel sheet pile reinforcement. Based on finite element method calculation using Plaxis V.8.2 software, it is found that gabion changes the safety factor of the slope from 1,284 to 1.512 and gives  4.645 cm displacement. Meanwhile, retaining wall increases the value of safety factor from 1.284 to 1.538 and gives 4.365 cm displacement. In otherhand, steel sheet pile reinforcement gives a noticeable safety factor value which is 2.075 and gives 2.932 cm displacement. Compared to the other alternatives, steel sheet pile reinforcement performs the best stabilization reinforcement, resulting in high safety factor value and small displacement value, therefore, steel sheet pile reinforcement is is considered as the best alternative solutions for landslide in Weleri – Patean Km 50 Road.
PERENCANAAN STRUKTUR GEDUNG BERTINGKAT TINGGI BERDASARKAN SNI 03-1726-2010 Febrianto, Andru Fajar; Harimurty, Krisna; Indarto, Himawan; Sukamta, Sukamta
Jurnal Karya Teknik Sipil Volume 2, Nomor 1, Tahun 2013
Publisher : Departemen Teknik Sipil, Fakultas Teknik Universitas Diponegoro

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Abstract

Structure design of a high rise building using SNI 03-1726-2010 on this final report are designed to seismic zoning area of Semarang city using the Moment Resisting Frame System method with configuration structure collapse the Special Moment Resisting Frame System (SRPMK). The Moment Resisting Frame System method, where the system basically has the burden resisting space frame gravity and lateral loads. The Special Moment Resisting Frame System (SRPMK) election expected to be a high rise building structure behave ductile, because structure is ductile energy dissipation capacity were large and has a good carrying capacity in the resist earthquake loads. This system is planned to use the concept of strong column weak beam, where the vertical elements of the structure (column) should be stronger than the horizontal elements of the structure (beam), to be plastically formed joints first on the beam. The joints meeting of the beam-column should also be well designed to avoid collapse first. This system can be used for planning a high rise building in an earthquake zone areas that have been determined. The analysis output structure of a high rise building using SNI 03-1726-2010 applied SAP2000 v10 software to determine the fundamental period of the structure and the forces acting on the structure. In the configuration of the structure collapse the Special Moment Resisting Frame System (SRPMK) fundamental structural period must be limited so that the structure is not very flexible. Results in the forces acting on the structure is used to design the structure of  high story building.
PERENCANAAN BENDUNG CIKAWUNG PADA DAERAH NON-CEKUNGAN AIR TANAH DI KABUPATEN CILACAP, JAWA TENGAH Etika Herdiarti; Shalli Malia Nisa; Robert J. Kodoatie; Hari Nugroho
Jurnal Karya Teknik Sipil Volume 2, Nomor 1, Tahun 2013
Publisher : Departemen Teknik Sipil, Fakultas Teknik Universitas Diponegoro

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Abstract

Cikawung weir located at Cipari District in Cilacap Regency. Cikawung weir built on the Cikawung river with the catchment area is 121,12 km2. To satisfy irrigation needs in the area around the river of 1020.24 ha, it is necessary to discharge a sufficient pledge. Mainstay discharge calculated by modifying the method FJ Mock. Location Cikawung weir is at a non-groundwater basin covering an area of 98,90 km2 (81,65%) and others are in the area groundwater basin area of 22,22 km2 (18,35%). Both of these regions have different characteristics in generating mainstay discharge. In the ground, at the non-groundwater basin, water flows only in the layer of soil water zone, while in the area groundwater basin water is able to flow to groundwater zone layer. Availability of river water contained on the non - groundwater basin less than groundwater basin area. Cikawung weir flood discharge plan designed by 50-year return period of 425,29 m3 and 1,92 m3 for discharge decision. Cikawung weir is design with specification rounded type of crest with height of  5,5 m, USBR type III of stilling basin, equipped with sand trap, flushing way of sand trap, flushing gate, intake gate, and retaining wall. Cikawung weir construction cost about Rp. 6.911.600.000,00 and a plan of 28 weeks.
ANALISIS KAPASITAS PENAMPANG BANJIR KANAL BARAT KOTA SEMARANG UNTUK PERENCANAAN PENGENDALIAN BANJIR Reza Juan Prakasa; Ridho Anggoro; Abdul Kadir; Al Falah
Jurnal Karya Teknik Sipil Volume 2, Nomor 1, Tahun 2013
Publisher : Departemen Teknik Sipil, Fakultas Teknik Universitas Diponegoro

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Abstract

Overflow  in the West Floodway  is a natural event caused by inadequate river capacity to flow the existing discharge.Based on the analysis of hydrological West Floodway with the help of software HEC-HMS (Hydrologic Engineering Center-Hydrologic Modeling System) obtained discharge plan (Q50) of  951.9 m3/s.  The hydraulics analysis  was carried out by the help of software HEC-RAS (Hydrologic Engineering Center-River Analysis System)and the result is an overflow along the 8 km (WF 0-WF 97) in the West Floodway Region. To overcome these  problems, it is necessary to be taken a solution,  that is increasing river capacity. Based on existing field conditions  (limited space) then the plan is  using  2 type of river  profiles, there are at the downstream  river is used for single and double crosssection on the upstream, both is planning  using manning formula.
PERENCANAAN PEMBANGKIT LISTRIK TENAGA MINI HIDRO (PLTM) PALUMBUNGAN, PURBALINGGA Andi Prasetiyanto; Nizar Mahrus; Sri Sangkawati; Robert J. Kodoatie
Jurnal Karya Teknik Sipil Volume 2, Nomor 1, Tahun 2013
Publisher : Departemen Teknik Sipil, Fakultas Teknik Universitas Diponegoro

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Abstract

Conditions Purbalingga areas potential for the development of Mini Hydro Power Plant, is the fundamental reason for empowering Klawing River District Bobotsari Purbalingga became a source of Mini Hydro Power Plant. The objective of mini hydro power plant planning is to  calculation of dependable flow, the calculation of the electricity which can be produced and made design of hydropower building. The method that apply for flood discharge plan calculation is Rational Method, Dependable flow analyzed by using Weibull Method. Dependable flow for mini hydro power plants amounted to 1.8 m3/s  and the power produced is 641 kW.
Rehabilitasi Desain Bendung Tukuman Kali Dengkeng Cawas Kabupaten Klaten– Jawa Tengah Adi Setyo Christanto; Aditya Yoga Kusuma; Abdul Kadir; Dwi Kurniani
Jurnal Karya Teknik Sipil Volume 2, Nomor 1, Tahun 2013
Publisher : Departemen Teknik Sipil, Fakultas Teknik Universitas Diponegoro

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Abstract

Tukuman Weir is a weir of Dengkeng Cawas River, Klaten Regency, Central Java. This weir got a severe damage due to the excessive discharge in December 1989. This caused the people around the weir irrigated their field by free intake. The problems discussed in this paper are 1) the damage of the weir overflow, and 2) the damage of the tail water. The aim of the research is to maximize the flow of water into the irrigation network that the need of irrigation water can be met properly to increase the income of farmers each year. This research uses the latest data which then is processed by using hydrological analysis as the basic of the next planning. Watershed (DAS) of Dengkeng River is 101, 157 km2 in large, with three rain stations: Gantiwarno, Kemudo and Ngelo. The calculation of flood discharge plan uses several methods. The chosen discharge is the result of the calculation using HSS Gama I method with return period of 100 years, then continued with Qdesign=110 m3/sec. The large of the irrigation area of Tukuman weir is 150 hectares, with 0.22 m3/sec water need. From the result of the balance sheet analysis, the need of water irrigation is fulfilled, even it is a surplus. The rehabilitation concept is combining the fixed and barrage, but keeping the elevation of the old weir overflow. The redesign of the weir dimension with the fixed weir, the elevation height of the overflow is +102.02 m.dpl, rounded overflow with effective width of 7.75 m. While for the motion overflow, the overflow elevation is +99.7 m.dpl as planned, with 5 doors and effective width of each is 2.5 m. the length of the floor to the weir face is 10.5 m as planned, and the tail water of USBR type III is chosen. The cost of the weir rehabilitation is Rp. 3,241,000,000 with time estimation is 20 weeks. Based on the calculation, it is obtained that there is surplus on the water need that might be considered using it for other needs, for instance, enlarging the irrigation area or fulfilling drinking water needs.
OPTIMALISASI KELEMBAGAAN DAN MANAJEMEN DALAM BUS RAPID TRANSIT SEMARANG Ahmad Ghoni; Haptiwi Tri Yuniar; Bambang Riyanto; Supriyono Supriyono
Jurnal Karya Teknik Sipil Volume 2, Nomor 1, Tahun 2013
Publisher : Departemen Teknik Sipil, Fakultas Teknik Universitas Diponegoro

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Abstract

Bus Rapid Transit Trans Semarang is a means of mass transportation to the transit system  that began operating since 2009 as a solution to reduce congestion in the city of Semarang. This research focuses on the optimization and management of institutional BRT Trans Semarang to improve it’s performance. The purpose of this study is to optimize the performance of the organization and management of BRT Trans Semarang with variable types of institutional cooperation BRT operations, and leadership style. Stages of the methodology to do is identify the problem, literature, comparative studies of Trans Jogja, stakeholder’s need analysis, data processing, and formulating policy recommendations. The results showed a number of conditions and institutional and management problems BLU-UPTD Terminal Mangkang as the governing institution of BRT Trans Semarang, among others: 1) Need to changes 3 old buses with 1 BRT so BRT can reduce the congestion effectively and also can incrase BRT load factor. 2) Need 20 fleets BRT to supply the passenger’s demand. So the subsidy is still needed to complete the BRT’s cost operational until the load factor reach 70%. 3) The institutional leadership style BRT is currently 69(minimum criteria is 75). While the percentage of fulfillment of expectations of leaders based employee appraisal is only 70.45(minimum criteria is 75). The recommendation to optimize the organization and management of BRT Trans Semarang are construct BLU so it has flexibility to manage substitution the old moda with BRT, to determine the cost policy that cheaper than old moda’s cost in order to increase load factor, still gets subsidy to keep quality service base on SPM. In additional needs to increase coordination and communication in institution to increase efectivity of institution’s works.
PERENCANAAN GEDUNG MENARA BANK MEGA SEMARANG Firdaus Bagus Alya; Ichsan Ramadhani; Nuroji Nuroji; Rudi Yuniarto Adi
Jurnal Karya Teknik Sipil Volume 2, Nomor 1, Tahun 2013
Publisher : Departemen Teknik Sipil, Fakultas Teknik Universitas Diponegoro

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Abstract

Planning for earthquake resistant buildings are earthquake-resistant buildings shaken though maybe some buildings damaged when a massive earthquake but may remain standing. In designing earthquake-resistant structures necessary to review the methods of nonlinear structural properties (ductility, R, verification earthquake loads Vb). According to SNI  03-2847-2002, planning buildings to areas with high seismic risk using System Framework bearer Special Event (SRPMK). Moment Frame Systems bearer is a space frame system in which the structural components and join-joinnya resist the forces that work through the action of bending, shear and axial where the calculation of the structure of the frame bearer Special Event System is designed to use the concept of Weak Beam Strong Colomn designed so that the building can respond to earthquakes by developing joint mechanism of plastic on his logs and beam-column basis.

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