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Search results for , issue "Volume 3, Nomor 3, Tahun 2014" : 22 Documents clear
PENGARUH PENUTUPAN PINTU PERLINTASAN JALAN REL TERHADAP KINERJA LALU LINTAS JALAN RAYA DI PERLINTASAN KALIGAWE SEMARANG DAN KALIWUNGU KENDAL Mukthy Yusyadiputra; Robby Hermawanto; Bambang Pudjianto; Eko Yulipriyono
Jurnal Karya Teknik Sipil Volume 3, Nomor 3, Tahun 2014
Publisher : Departemen Teknik Sipil, Fakultas Teknik Universitas Diponegoro

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Abstract

The Intersection between railway crossings with roads have any problems, especially when the railway gate were closed while trains pass. The problem is the queue of vehicles and the time of vehicle back to normal before the crossings opened. Geometric of Kaligawe Road is 4/2D with all types of vehicles and Kaliwungu is 2/2UD dominated by light vehicles. Both are in the class of primary arterial road. The data was collected by surveying directly at the two railway – roadway crossing at peak hours in the morning, afternoon, and evening. The data were taken during the normal flow is the flow rate (flow) vehicle, traffic speed, road geometric, and a long stream of vehicles crossing back to normal when the railway gate is opened. Meanwhile, when the railway gate is closed is the speed of shockwave, railway gate closing time, and a queue of vehicles. The data was then analyzed using the shockwave method, the capacity of the road using Highway Capacity Manual guidelines (MKJI) 1997 and theoretically Greenshields models are then compared the results, in order to obtain the queue length and time of return to normal road traffic due to the effect of the closure of crossings when trains pass. The results of analysis on the existing condition at Kaligawe Semarang and Kaliwungu Kendal still able to accommodate vehicular traffic passing through the intersection, because based on Timetabling 2013 +72 recorded trains pass each day with a headway of trains in peak hour morning, afternoon, and evening the average is 22 minutes if the closure 3-4 minutes. For Kaligawe Road if closure (t) = 3 minutes long queue gained = 0.15 to 0.25 miles with vehicles back to normal after crossing when the door is opened (t2) = 3.913 to 5 minutes, and if t = 4 minutes queue length obtained = 0.2 to 1.66 km with t2 = 5.21 to 6.68 minutes. While on the Road Kaliwungu if t = 3 minutes obtained queue length = 0.078 to 0.366 km with t2 = 4.172 to 11.88 minutes and if t = 4 minutes obtained queue length = 0.105 to 0.5 km with t2 = 5.564 to 15.85 minutes. t2 obtained in Jalan Kaligawe and Kaliwungu still less than 22 and 25 minutes. Responding PT.KAI plan which will operate a double track to increase the frequency of trains ± 72 to ± 200 trains per day. Based on the assumption that the headway of trains is the same every hour it is 7.2 minutes, then the results of the analysis for the Kaligawe road still able to accommodate traffic in the event of the closure 3-4 minutes, but for the Kaliwungu are no longer able to accommodate traffic flow if the closing 3 and 4 minutes because t2 obtained is 11.88 and 15.85 minutes. Besides, the degree of saturation (DS) in Kaligawe road = 0.401 and Kaliwungu = 0,747, to get for good traffic performance, for Kaliwungu Road becomes necessary to change the geometric 4/2D. The results of these observations can be useful in making policy considerations relevant to the response effort DEPARTMENT PT.KAI operate the double track in 2014 in order to maximize the performance of the Road Traffic Road Kaliwungu Kendal and Kaligawe Semarang.
KAJIAN PENANGANAN BANJIR SUNGAI BERINGIN SEMARANG DENGAN MENGGUNAKAN SISTEM LONG STORAGE Muhammad Ficky Meilaci Wibowo; Randy Arnatha; Suharyanto Suharyanto; Dwi Kurniani
Jurnal Karya Teknik Sipil Volume 3, Nomor 3, Tahun 2014
Publisher : Departemen Teknik Sipil, Fakultas Teknik Universitas Diponegoro

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Abstract

One of the phenomenon of the river is flood, which is caused by the inability of the river to accommodate the rain before it is streamed to the sea. Study location in Beringin River area Wonosari Semarang City is being one of the areas that is often experienced this. The negative impacts such as inhibiting people activities, infrastructure damage, and paralysis of economic activity, making this can’t be ignored. So, needed a handling effort to minimize or even prevent flooding. In this final task, the flood control system that used is the long storage which it is an extend reservoir on Beringin river area, Semarang. The planning process of long storage begins with primary and secondary data collection, and got 1993-2012 (20 years) rain data from 3 (three) different rain stations which is Tugu station, Mijen station, and Mangkangwaduk station with total of Beringin River area is 26,58 km2. Hydrological analysis which includes determining rainfall average using Thiessen method, frequency analysis with probability distribution, data testing using Chi-Kuadrat and Smirnov-Kolmogorof, Intensity of the rain plan calculating using Mononobe and ABM (Alternating Block Methode, and determining flood discharge plan using HSS Gama I. And then hydraulic analysis with flood routing and backwater to determining the needed of long storage capacity to plan the design of water building and the components. The last is budget planning and job scheduling of long storage. From hydrological analysis obtained with the maximum flood debit for a period of 25 years m3/sec 216,897. Obtained from that debit of flood water level +8,62. For the design of water building, including lighthouse weir (spillway) 22 meters width, 3 units of drain floodgates each 1,5 meters width, levees (retaining wall) 2 kilometers length, and bridge services. Implementation is planned in 6 months at a cost of Rp 17.316.641.000,00.-. From this Long Storage planning, it is expected to cope flood that occurred in Beringin River area, Semarang.
APLIKASI REKAYASA NILAI (STUDI KASUS : PROYEK JALAN TOL SEMARANG – SOLO RUAS SEMARANG – BAWEN SESI PENGGARON – BEJI) Weny Saputri; Saut Martua Hasiholan Saragih; Mochammad Agung Wibowo; Bagus Hario Setiadji
Jurnal Karya Teknik Sipil Volume 3, Nomor 3, Tahun 2014
Publisher : Departemen Teknik Sipil, Fakultas Teknik Universitas Diponegoro

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Abstract

The increasing of Indonesian population growth resulted the requirement of society in a whole aspects of life increase, including the requirement on transportation. Semarang-Solo highways is one of the thoroughfare in Central Java,  the volume of traffic that increasingly dense making it unable to accommodated by the highway. As a solution, the government through PT. Trans Marga Central Java build a toll road to connects the city of Semarang and Solo along 75.67 km. The development of Semarang-Solo toll road Semarang Bawen segment Penggaron-Bejii section using rigid pavement as early design of pavement. Evaluation results show this design have some weakness, so it needs the innovation of the pavement to minimize the shortage. Through value engineering stage is the stage of information, speculation, analysis, development, presentation and implementation found that alternative designs were selected for use on this highway is a system of precast prestressed concrete pavement (PPCP). Analysis results the system in the design of the project will reduce the execution time for 84 days or 21% of rigid pavement method.
EVALUASI KINERJA RUANG PEJALAN KAKI DI JALAN MALIOBORO YOGYAKARTA Pradipto, Ranar; Kharis, Zulfikar; Wicaksono, Y.I.; Indriastuti, Amelia Kusuma
Jurnal Karya Teknik Sipil Volume 3, Nomor 3, Tahun 2014
Publisher : Departemen Teknik Sipil, Fakultas Teknik Universitas Diponegoro

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Abstract

Malioboro as one of  most tourism destination in Yogyakarta has a large number of visitors.  More than 4,000 people visiting  Malioboro area per day. The number of visitors at  pedestrian area  resulting inability Malioboro to receive such capacity. For  resolve these problems,  an  evaluation  of the service is needed more pedestrian capacity  (level of service). so that visitors will know about Malioboro growth in the future. and  The reference can being recommendation  as handling problems that occur at Malioboro street. The survey  undertaken are pedestrian  survey. Pedestrian survey is aimed to obtain  number of tourists data  in Malioboro pedestrians . The survey were conducted in three-point locations who can represent characters of  Malioboro, in front of the Hotel Inna Garuda,  Malioboro Mall and  Sami Jaya. The analysis is carried out to the HCM 2000. The result  of pedestrian survey are  Level of Service value. Base on the parking income data the growth rate of pedestrian area is about 5.2% . in the next five years the Level of Service will be bad with Level of service D. this mean there is a crowded situation in pedestrian area. overcome these problems we need  rearrangement pedestrian area  along Malioboro street  and make a planning analysis to resolve this issue hopefully can accommodating  Malioboro area for next 5 years in Pedestrian area with  Level of Service (LOS) B.
PERENCANAAN EMBUNG TAMANREJO KECAMATAN SUKOREJO, KABUPATEN KENDAL Bachtiar Khoironi Wibowo; Arvie Narayana; Abdul Kadir; Dwi Kurniani
Jurnal Karya Teknik Sipil Volume 3, Nomor 3, Tahun 2014
Publisher : Departemen Teknik Sipil, Fakultas Teknik Universitas Diponegoro

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Abstract

The population and community activities that lead to increased irrigation water demand is increasing and causing problems between water balance demand and water availability. To overcome this case was built water building of small dam. Tamanrejo small dam situated on the Kajar River, Sukorejo Kendal Regency. Tamanrejo small dam is planned to meet the needs of irrigation water in the District Sukorejo, irrigation area that will be served an estimated area of 750 acres. Discharge mainstay Kajar River calculated based FJ. Mock method with the probability of 20% is not being met. In Agustus until November there is a shortage of water at 108.493,75 m3. Small dam volume of 126.073,69 m3 is at an elevation of +140,00 m to +147,00 m. The result of water balance calculations indicate that the volume of 126.073,69 m3 can to meet the need of irrigation water when the river have flow shortage. Calculation results obtained irrigation water needs 1,54 l/sec/acres as irrigation water requirement rate on average. Construction of a small dam Tamanrejo be making use of the spillway and dam embankment body. Determination of dimensions small dam Tamanrejo use flood discharge plan from the HSS Gama I method of 83,189 m3/sec with a return period of 50 years. The planned small dam 11 m high, with a base elevation ponds +140,00 m, +151,00 m small dam crest elevation. Small dam crest width of 5,00 m, upstream slope of 1:3 and downstream slope of 1:2,25. In planning small dam Tamanrejo used ogee type open spillway (overflow spillway) with a width of 25 m, length 13 m and elevation crest spillway at +147,00 m, using an eject USBR type III with a length of 5,00 m. Plan Implementation time is 24 weeks with work plan budget of Rp. 6,258,700,000.00 (Six Billion Two Hundred Fiffty Eight Million Seven Hundred Thousand Rupiah). Conclusion with built small dam can overcome the shortage of irrigation water.
PERENCANAAN CHECK DAM KALI GUNG KABUPATEN TEGAL Anwar Eko Yulianto; Yunus Jonatan; Sutarto Edhisono; Abdul Kadir
Jurnal Karya Teknik Sipil Volume 3, Nomor 3, Tahun 2014
Publisher : Departemen Teknik Sipil, Fakultas Teknik Universitas Diponegoro

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Abstract

Gung watershed is part of the watershed which located in Tegal regency with an area of 45.65 km2 where Gung River as its main river . Gung river conditions at this time had a reduction in the flow of flood discharge due to reduced cross-sectional area of the river (river capacities) due to sedimentation . The main cause of the high rate of sedimentation is the destruction of water catchment areas and land management less attention to the principles of conservation land . Therefore it is very necessary management effective river drainage area with emphasis on the conservation and protection of the land (in particular critical area) and water, especially in the upstream of the river. One of the countermeasures for erosion and sedimentation problems in this river is by building sediment control structure or so-called check dam . From the calculations have been done, check dam was designed to have the following features: spillway crest of the main dam at El. +431.500 m, 4 m dam height and 3.2 m foundation depth, bottom width obtained by 20 m, flood design discharge with 50 years return period was 502.368 m3/sec, height of wing crests was 6.469 m at El.+437.969 m with 1.0 m freeboard, construction of the main dam was stone masonry; spillway crest of the sub dam at El.+429.000 m with 1.5 m height and 2.5 m foundation depth, height of wing crests was 6.567 m at El.+435.567 m with 1.0 m freeboard, construction of the sub dam was stone masonry. The apron elevation was El.+427.500 m with 1.8 m thickness. The apron protection was concrete in quality K 175 with 1.5 m thickness (bottom layer) and quality K 225 with 0.3 m thickness (upper layer/blanket).
PERENCANAAN EMBUNG SEMAR KABUPATEN REMBANG Muchammad Chusni Irfany; Satriyo Pandu Wicaksono; Suripin Suripin; Sri Eko Wahyuni
Jurnal Karya Teknik Sipil Volume 3, Nomor 3, Tahun 2014
Publisher : Departemen Teknik Sipil, Fakultas Teknik Universitas Diponegoro

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Abstract

Semar small dam which is located in Mlatirejo village of Rembang Regency is built on Serojeh River with 10.62 km2 of watershed.. The function of Semar small dam is to fill the needs of raw water and irrigation water requirement. Semar small dam was is designed with 240.449 m3 of water capacity in +67 elevations. The effective volume of Semar small dam is 137.385 m3 which provides the needs of raw water and irrigation of them are 0.002 m3/sec and 0.08 m3/sec. This spillway is designed to reduce the flood of reissue 50 years period of 121.091 m3/sec into 43.47m3/sec. The small dam was a homogeneous soil with its 15 meter in height and 158 meter in length. This project implementation is scheduled for 28 weeks with a budget plan of Rp 8.469.864.600,00.
ANALISIS STABILITAS LERENG DAN ALTERNATIF PENANGANANNYA (STUDI KASUS LONGSORAN JALAN ALTERNATIF TAWANGMANGU STA 3+150 – STA 3+200, KARANGANYAR) Rahmawan Bagus Pratama; Imam Muslih Muhibbi; Indrastono Dwi Atmanto; Siti Hardiyati
Jurnal Karya Teknik Sipil Volume 3, Nomor 3, Tahun 2014
Publisher : Departemen Teknik Sipil, Fakultas Teknik Universitas Diponegoro

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Abstract

This final project provides soil stability and the handling on alternative roads between Tawangmangu-Plaosan STA 3+150-STA 3+200, Karanganyar. The landscape in this area is rather steep and unstable, making the soil here has a high potential landslides. Based on the results of the drill testing which has done manually in this area, the soil contains gravelly-silt, sandly-silt and silt-stone. The analysis was done with Fellenius method and Plaxis v.8.2. Based on Fellenius method calculation, the safety factor value of the slope is 1,4701, while with Plaxis software, the safety factor value is 1,3476. Those values above are less than minimal safety requirement value of slope  which is 1,5, so this landscape has a great potential of landslide. There are two alternative suggestions to handle this situation. The first one is adding 10 meters of Bored Piles into Counterfort wall. The other method is using 11 meters of Bored Piles. The choosen method for this project was using 11 meters of Bored piles. Bored Piles was choosen because it need lesser concrete volumes than Counterfort wall. Those bored piles has diameters of 0,8 meters. It was placed at the +1191,50 above the ground and 16 meters from the centerline. The results show that this alternative increase the value of safety factor up to 1,6383.
OPTIMALISASI WAKTU DAN BIAYA PROYEK DENGAN ANALISA CRASH PROGRAM Apri Widiya Laksana; Heri Setiawan Prasetyo; Mochammad Agung Wibowo; Arif Hidayat
Jurnal Karya Teknik Sipil Volume 3, Nomor 3, Tahun 2014
Publisher : Departemen Teknik Sipil, Fakultas Teknik Universitas Diponegoro

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Abstract

Optimization of time and cost is effort to use short time with minimum cost for reaching a job with good results and profits while still concern with quality of project. Crash Program analysis using addition of working hours, is intended to decrease working hours but it is still keeping the productivity number. The direct cost of the project will increase with the addition of working hours, but inversely proportional to the indirect cost of the project. Therefore, the purpose of this final project is to get optimization point between time and cost of the project, in order to get minimum cost to shorten project implementation time. Crash Program is one of scheduling method to shorten project implemention time. By using this program, earned critical path of a project to decide an acitivity that the implementation time can be shortened.
PERENCANAAN CHECK DAM KALI GUNG KABUPATEN TEGAL Anwar Eko Yulianto; Yunus Jonatan; Sutarto Edhisono; Abdul Kadir
Jurnal Karya Teknik Sipil Volume 3, Nomor 3, Tahun 2014
Publisher : Departemen Teknik Sipil, Fakultas Teknik Universitas Diponegoro

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (410.331 KB)

Abstract

Gung watershed is part of the watershed which located in Tegal regency with an area of 45.65 km2 where Gung River as its main river . Gung river conditions at this time had a reduction in the flow of flood discharge due to reduced cross-sectional area of the river (river capacities) due to sedimentation . The main cause of the high rate of sedimentation is the destruction of water catchment areas and land management less attention to the principles of conservation land . Therefore it is very necessary management effective river drainage area with emphasis on the conservation and protection of the land (in particular critical area) and water, especially in the upstream of the river. One of the countermeasures for erosion and sedimentation problems in this river is by building sediment control structure or so-called check dam . From the calculations have been done, check dam was designed to have the following features: spillway crest of the main dam at El. +431.500 m, 4 m dam height and 3.2 m foundation depth, bottom width obtained by 20 m, flood design discharge with 50 years return period was 502.368 m3/sec, height of wing crests was 6.469 m at El.+437.969 m with 1.0 m freeboard, construction of the main dam was stone masonry; spillway crest of the sub dam at El.+429.000 m with 1.5 m height and 2.5 m foundation depth, height of wing crests was 6.567 m at El.+435.567 m with 1.0 m freeboard, construction of the sub dam was stone masonry. The apron elevation was El.+427.500 m with 1.8 m thickness. The apron protection was concrete in quality K 175 with 1.5 m thickness (bottom layer) and quality K 225 with 0.3 m thickness (upper layer/blanket).

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