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All Journal JURNAL KARYA TEKNIK SIPIL
Suharyanto Suharyanto
Jurusan Teknik Sipil FT. UNDIP Jl. Prof. H. Soedarto SH., Tembalang, Semarang 50275
Civil Engineering, Building, Construction & Architecture

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PENGENDALIAN DEBIT BANJIR SUNGAI LUSI DENGAN KOLAM DETENSI DI KECAMATAN TAWANGHARJO KABUPATEN GROBOGAN S. Reza Pradana; Arianto Nugroho; Suharyanto Suharyanto; Dwi Kurniani
Jurnal Karya Teknik Sipil Volume 4, Nomor 4, Tahun 2015
Publisher : Departemen Teknik Sipil, Fakultas Teknik Universitas Diponegoro

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Abstract

Lusi River is one of the biggest river in Jratunseluna river area that has drainage area from Rembang Regency, Blora Regency and end at Grobogan Regency. In rainy season, the Lusi river’s flow rate tend to be large and cause flood in some areas in Grobogan, Blora dan Kudus Regency. Protecting of potential areas is necessary to avoid a great loss if flood disaster happens. The existence of a detention pond expected to reduce the flood discharge in Lusi River and can overcome the flood disaster at potential area in downstream of Lusi River’s drainage area.
KAJIAN STRUKTUR PENGAMAN PANTAI SIGANDU, BATANG Sidiq Leonanda Widhianto; Dicki Kharisma; Suharyanto Suharyanto; Siti Hardiyati
Jurnal Karya Teknik Sipil Volume 3, Nomor 4, Tahun 2014
Publisher : Departemen Teknik Sipil, Fakultas Teknik Universitas Diponegoro

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Abstract

Generally, the problems that occur in Sigandu Beach - Batang is abrasion, resulting in damage to the beach. This has an impact on the coastal areas along the coast of Sigandu, among others land that has been covered with sea water exceeds 2 m within 5 months, trees and houses around the beach collapsed due to erosion beach by sea water. The information and supporting data are collected from several literatures, interview, laboratory research, and a collection of documents from several institutions, including the Department of Marine and Fishery of Batang, BPDP and BPPT of Yogyakarta in 2013, BMKG Climatology Station in Semarang, Soil Mechanics Laboratory of Diponegoro University and several other institutions. The dominant wind direction effect used in the calculations come from the Northwest and North. Wave height representative used a H33% at 2,94 m and a representative period T33% 8,82 seconds. Sea level caused of tide by the calculation of admiralty generating value HWL =+0.49 m; MSL = ± 0.00 m; LWL = -0.49 m. The tide of Sigandu Beach included in mixed tide prevailing semidiurnal. In the calculation, the wave breaking occurs at a depth of 4.22 m at a distance of ± 787.09 meters from the shoreline. Based on studies of the selection safety structure from some aspects of the Sigandu Beach, the elected lower threshold breakwater structure (Pegar) Geotube. Because a bad soil conditions in Sigandu Beach, then there needs to be retaining structures on Geotube is by giving it a pile of bamboo and bamboo mattresses that had been assembled under the structure of Geotube. Geotube structure is composed of Giant Sand Bag with dimension length 20 m, width 2 m and 1,5 m high with a weight of 6 tons/m' and Sand Bag with dimension length 2,2 m, width 1,4 m, and height 0,4 m with a weight of 1,12 tons/m'. To be expected to form the salient, the structure compiled in series with spacing distance of 10 m with a 100 m length of the building and placed 75 m from the shoreline.
PENENTUAN KAPASITAS DAN TINGGI MERCU EMBUNG WONOBOYO UNTUK MEMENUHI KEBUTUHAN AIR DI DESA CEMORO Yanuar Niko Priambodo; Tomy Aziz Susiawan; Sumbogo Pranoto; Suharyanto Suharyanto
Jurnal Karya Teknik Sipil Volume 4, Nomor 4, Tahun 2015
Publisher : Departemen Teknik Sipil, Fakultas Teknik Universitas Diponegoro

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Abstract

Cemoro village is located in Wonoboyo Sub district , Temanggung District, Central Java Province with the area is 778.9 ha. There are 2.355 people in Cemoro village (1.187 male and 1.168 female). Most of the residents work as plantation farmers. In the dry season, water discharge in the Lingseng River becomes very small, so it can not meet the demand for drinking water and the irrigation needs. Based on water balance, there is a deficit around 27.140,23 m3, that certainly reduce productivity in both agriculture and social welfare. Therefore, the hydraulic structure is needed. To overcome the water deficit one of the efforts is by constructing a small dam. The design minimum capacity of the small dam is 27.140,23 m3. The gross capacity of the storage is 30.653,45 m3 which take into account of sediment storage. Based on correlation graph of elevation, volume storage, and area storage, the head elevation of spillway is +1.542 m. The head elevation of small dam is +1.545,50 m which take into account of flood water level and freeboard. By the presence of small dam, it is expected to cover the water deficit so it can increase the water supply for drinking water and irrigation of horticulture farm.
PENGARUH SEDIMETASI PADA KINERJA PENGOPERASIAN WADUK SERBAGUNA WONOGIRI Hana Umayektinisa; Niken Ajeng S.P.; Suharyanto Suharyanto; Sumbogo Pranoto
Jurnal Karya Teknik Sipil Volume 5, Nomor 1, Tahun 2016
Publisher : Departemen Teknik Sipil, Fakultas Teknik Universitas Diponegoro

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Abstract

The operation of the reservoir can’t be avoided from the problem of sedimentation. This happens because the natural ingredients in the river sediment transport will be accommodated and deposited in the reservoir due to the dam. But not all the sediment deposited in the reservoirs will go straight into the dead storage, most of the sediment will be deposited on effective storage. Has been a lot of research and efforts to reduce the influence of reservoir sedimentation. However, little (if any) research on the effect of reservoir sedimentation in reservoir operation performance. In a study on the effect of sedimentation on the operating performance of single-purpose dam sedimentation concluded that the effect was not significant. Therefore, in this study conducted research on the effect of sedimentation in the multipurpose reservoir operational performance. This research was conducted by simulating the operation of reservoirs with different patterns of operation and conditions of sedimentation.
KAJIAN PENGARUH SEDIMENTASI PADA KINERJA PENGOPERASIAN WADUK KEDUNG OMBO Anggita Inges Wari; Bimby Octavia Kurniasari; Sumbogo Pranoto; Suharyanto Suharyanto
Jurnal Karya Teknik Sipil Volume 5, Nomor 1, Tahun 2016
Publisher : Departemen Teknik Sipil, Fakultas Teknik Universitas Diponegoro

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Abstract

Kedung Ombo is a multi-purposes reservoir used for flood control, hydropower generation, irrigation services, raw water supply, fisheries and tourism. To meet the water demand (demand), the performance of the reservoir should run well. Over time, sedimentation in reservoir increases. Sedimentation problems may affect the operating performance of the reservoir. If sedimentation increases, the effective volume will be reduced then as a result water demand (demand) can not be fulfilled. Therefore, a further study on operating performance Kedung Ombo Reservoir in relation to sedimentation is needed . The results showed that the simulation the best method SOP for some conditions of sedimentation, in year-on-0, the 15th year, and year-to-27 is not seen a significant difference from the value of the operating performance. So it can be concluded that sedimentation is not very big significant on the operation of the reservoir.
PERENCANAAN LONG STORAGE PADA BENDUNG CIPERO KABUPATEN TEGAL Andy Yogananda Imawan; Mohamad Agus Faozan; Suharyanto Suharyanto; Priyo Nugroho
Jurnal Karya Teknik Sipil Volume 4, Nomor 4, Tahun 2015
Publisher : Departemen Teknik Sipil, Fakultas Teknik Universitas Diponegoro

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Abstract

Cipero weir is located at Tegal, The weir was built in 1888 and functioned to fulfill Rambut irrigation area water needs. The condition of Cipero weir is not able to fulfill all of Rambut irrigation area water needs. This condition is caused by several things. It is because of the reduction of Cipero catchment area in the upstream, more over the sedimentation in the upstream of Cipero make the weir is not functioning optimally. the solution is necessary to build Cipero long storage, Long storage Cipero is an elongated building, located at Cipero River that will increasing the availability of water for Rambut irrigation area. The analysis in the planning of Cipero Long Storage consists of three main parts. The first is hydrological analysis, then Hydraulics calculation phase and design phase of the building. Hydrological analysis phase aims to determine the flood discharge, the discharge mainstay, and the water needs in Rambut irrigation area. The second phase is the phase of hydraulics calculation, This phase aims to determine the dimensions of long storage building. , The third stage is the phase of design, This is a calculation of the cost of Cipero long storage. In this study is showed that the long storage can fulfill the water needs in the amount of 40.835.047,680 m3 every year. it can be concluded that the Cipero long storage can increase the amount of available water for irrigation area Rambut.
Co-Authors Andy Yogananda Imawan Anggita Inges Wari Arianto Nugroho Bimby Octavia Kurniasari Dicki Kharisma Dwi Kurniani Hana Umayektinisa Mohamad Agus Faozan Niken Ajeng S.P. Priyo Nugroho S. Reza Pradana Sidiq Leonanda Widhianto Siti Hardiyati Sumbogo Pranoto Tomy Aziz Susiawan Yanuar Niko Priambodo