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

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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.
PENGAMANAN PANTAI WIDURI KABUPATEN PEMALANG M. Ilyas Muzani; Naina Haque H.; Sumbogo Pranoto; Priyo Nugroho
Jurnal Karya Teknik Sipil Volume 5, Nomor 1, Tahun 2016
Publisher : Departemen Teknik Sipil, Fakultas Teknik Universitas Diponegoro

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Abstract

The coastal erosion at Widuri beach along ± 2 km carried a relatively large impacted for public coastal areas. Waves in coastal areas resulted breakdown existing coastal protection structure and retreat of the shoreline. Coastal protection efforts to overcome these problems are reviewed based on the results of the flow simulation, waves and prediction of changes in the shoreline adapted to the existing condition using a numerical approach. Approach method performed by SMS program (Surface water Modeling System) for the simulation of flow and GENESIS (GENEralized models for SImulating Shoreline change) for the prediction simulation of shoreline changes. Earnings results from simulations program and data analysis are used as a basic design protection structure, planned coastal protection that is seawall modifications, rehabilitation the existing revetment, addition of revetment along 120 m and addition two offshore breakwater along 200 m with distance between 90 m perpendicular to wave direction at a depth of 1 m east from Widuri tourist beach.
PERENCANAAN EMBUNG SOMOSARI DI JEPARA Hesti Astria Utami; Galang Sri Nalendra; Sriyana Sriyana; 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

Somosari Village and its surrounding area in Jepara District is currently having a decline in its water resources. This condition is indicated by the drop of ground water level, the drought among its river and the reduction of water availability through out its irrigation. On the counting, this condition is contrasted by the flood during the rainy season. An alternative solution to the conditions is to build small dam in Somosari Village. The small dam is function as water reservoir, flood control, and conservation. The final project was based on some complementing methods. The first method is hydrological analysis which included storage capacity analysis using simulation. The other hydrological analysis are analysis of flood discharge using Weduwen Methods, discharge mainstay analysis using Basic Year Methods, water demand analysis and water balance analysis. The last phase is small dam construction planning. The result suggest that Somosari Small Dam will have 100752.736 m3 storage capacity, handle the flood debit of 426,279 m3/sec with cycle period of 100 years. The small dam is planned to be build as high as 18 m with the base elevation degree +274.48, and effective width of 22.127 m. The small dam constructed using K 300 concret and fill soil with estimated cost of Rp 20,814,178,800.00 (twenty billion eight hundred fourteen million one hundred seventy eight thousand and eight hundred Rupiah).
Co-Authors Andy Yogananda Imawan Galang Sri Nalendra Hesti Astria Utami M. Ilyas Muzani Mohamad Agus Faozan Naina Haque H. Sriyana Sriyana Suharyanto Suharyanto Sumbogo Pranoto