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

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PERENCANAAN KONSERVASI DAS BRINGIN BAGIAN HULU DENGAN CHECK DAM DAN SUMUR RESAPAN Savitri Mustika Sari; Rizqi Fayunta A.; Joetata Hadihardaja; Suharyanto Suharyanto
Jurnal Karya Teknik Sipil Volume 2, Nomor 1, Tahun 2013
Publisher : Departemen Teknik Sipil, Fakultas Teknik Universitas Diponegoro

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Abstract

Changes in land use in the watershed Bringin affect the high rate of sedimentation watershed. This would result in the decrease as a function of watershed Bringin rainwater, recharge areas, water storage areas, catchers rainwater and drainage water. This condition will require a good handling in the field Bringin Watershed or in the river Bringin itself. The purpose of this research is to reduce sedimentation in the Bringin river caused by the erosion Bringin watershed. The research objective of these analyzes was to analyze the rate of erosion in the watershed Bringin and find solutions to overcome the erosion and sedimentation in Bringin. The method used in analyzing the rate of sedimentation in the Bringin watershed is a Universal Soil Loss Equation method (USLE). USLE method was used to predict the average rate of land erosion in the Bringin watershed. Input data required in this method is a USLE rainfall and runoff erosivity factor (R), soil erodibilitas factor (K), length-slope factor (Ls), land cover crops and crop management factors (C), and conservation measures practical factor (P). Results from the sedimentation rate analysis is a sediment yield of each sub-watershed on the Bringin watershed in units of tonnes / ha / yr. From nine sub-watersheds there are a critical sub-watersheds that is Bringin B9 sub-watershed with sediment discharge value of 23,963 tons / ha / yr over the allowable limit (10 tonnes / ha / yr). As a solution to control sedimentation rate is planning of sediment control construction (check dams) in Bringin B9 sub-watershed.
PENGENDALIAN BANJIR SISTEM BENDUNG PUCANG GADING – DOMBO SAYUNG SEMARANG Rr. Ayu Khrisina Maharani; Septian Dwi Wicaksono; Suharyanto Suharyanto; 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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Flood is one of the occasion that quite often happens in Semarang City. Dombo-Sayung is being one of the areas which flood is often happened there. Flood give many negative impacts that can’t be ignored, for example is cause damage to infrastructur: buildings, houses, and roads. And even stop the mobility in that area if the flood is happened for a long time. The purpose of Flood Control of Pucang Gading Weir System-Dombo Sayung, Semarang is to minimize or even avoid the flood happened in Dombo-Sayung Area by designing the flood control system which can overcome the flood problem. The method that used for Flood Control of Pucang Gading Weir System-Dombo Sayung Semarang are primary and secondary data collection, hydrology analysis such as flood’s hydrograph, hydraulics analysis for planning the dimension of retention pond and dimention of river improvement Dombo-Sayung Channels. Flood Control of Pucang Gading Weir System- Dombo sayung give result to using retention pond with the size is (300x190x7) m³ for run off volume channels is 334.691,643 m³ and  dimension of river improvement Dombo Sayung Channels becoming (35x6) m2 for the the income flow is 300 m³.
Co-Authors Joetata Hadihardaja Rizqi Fayunta A. Robert J. Kodoatie Rr. Ayu Khrisina Maharani Savitri Mustika Sari Septian Dwi Wicaksono