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Paulus Setyo Nugroho
Prodi Teknik Sipil Universitas Jenderal Soedirman
Civil Engineering, Building, Construction & Architecture Control & Systems Engineering Electrical & Electronics Engineering Engineering Industrial & Manufacturing Engineering

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Pemanfaatan Sedimen Waduk Mrica Untuk Bahan Baku Bata Merah Nastain Nastain; Paulus Setyo Nugroho
Dinamika Rekayasa Vol 5, No 2 (2009): Dinamika Rekayasa - Agustus 2009
Publisher : Jenderal Soedirman University

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.20884/1.dr.2009.5.2.24

Abstract

Volume of water storage reservoir conditions Mrica from year to year decreases due to sedimentation. Efforts to reduce sediment in the reservoir has been done by way of flushing (flushing) periodically through the drawdown culvert (DDC), where the outcome is less effective and causes a lot of losses. This research was conducted in order to exploit the reservoir sediments Mrica for raw materials of red brick as an alternative effort to reduce sediment in the reservoir, as well as empowerment of communities around the reservoirs. Methods of research carried out by making a brick specimens made from sediments that were collected at the upstream, middle and downstream of the reservoir storage area. Laboratory tests conducted to determine the physical characteristics of sediment and the characteristics of the bricks produced. The results showed that: (1) Sediment basin headwaters Mrica coarse-textured sand with a sand content of 53%, the middle area is a sand-textured sand content of 62%, and the downstream region of 69% silt-textured with fine sand content of 31% , (2) Sediment that can be molded into bricks is a sedimentary rock containing 40% sand, with the color after the fire is reddish brown and smell of the less savory, (3) Depreciation is the largest dimension of the brick after the fire occurred on the bricks that  were made of sediment downstream areas, ie an average of 21%, and (4) The compressive strength of bricks produced very little that is equal to 0.5% of the minimum standards required by the SNI 15-2094-2000.
Perkuatan Fondasi Telapak Dengan Turap Sumiyanto Sumiyanto; Paulus Setyo Nugroho
Dinamika Rekayasa Vol 5, No 1 (2009): Dinamika Rekayasa - Februari 2009
Publisher : Jenderal Soedirman University

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.20884/1.dr.2009.5.1.15

Abstract

Reinforcement Foundation is a method to increase the capacity of supporters, so they can support the load of the building. This is required for buildings located on soft ground. Strengthening this foundation is also needed if the structure above will be increased so that the burden of building work increased. In this study, attempted to strengthen the foundations of the method by placing the sheet piles on the side of the foundation. Tests performed on two-dimensional model in the laboratory, by comparing the carrying capacity of  the foundation with sheet piles and without sheet piles. Strengthening the foundation carried out with 3 (three) length variation of plaster  that is: L / B = 0.75, L / B = 1.00 and L / B = 1.25. B, and 3 (three) variations in the location of plaster, which is in distance S / B = 0.5, S / B = 1.0 and S / B = 1.5. Test results showed that the installation of sheet piles can increase the capacity of foundation support. The results of this study showed the longer the higher the sheet piles supporting capacity building, with the results of 33%, 55% and (80% -100%), one each for L / B = 0.75; 1.00 and 1.25. However, increased capacity is not much influenced by the location of plaster especially for short plaster of L / B = 0,75 and L / B = 1,00. While for L / B =1,25, where the sheet piles getting close to the foundation, increase capacity increased as well.
Co-Authors Nastain