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All Journal RACIC : Rab Construction Research BENTANG : Jurnal Teoritis dan Terapan Bidang Rekayasa Sipil
Sutarto Edhisono
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Civil Engineering, Building, Construction & Architecture Transportation

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Analisis Respon Tekanan Air Pori Terhadap Muka Air Waduk Pada Bendungan Jatibarang Angga Setyadi; Suharyanto Suharyanto; Sutarto Edhisono
Bentang : Jurnal Teoritis dan Terapan Bidang Rekayasa Sipil Vol 11 No 1 (2023): BENTANG Jurnal Teoritis dan Terapan Bidang Rekayasa Sipil (Januari 2023)
Publisher : Universitas Islam 45

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33558/bentang.v11i1.5666

Abstract

The construction of dams is very important for fulfill water demand and as flood control. In addition to having many benefits, a dam also has a high risk. The stability of the dam is strongly influenced by the magnitude of the pore water pressure. The purpose of the study was to determine the response of pore water pressure to the reservoir water level, as well as to find out the comparison of the results of pore water pressure analysis using plaxis 2D and piezometer instrument readings. The piezometer readings are graphed as a function of the reservoir water level. Based on the graph, it can be seen that the piezometer readings correspond to the fluctuations in the reservoir water level. The piezometer upstream side have a faster response to the reservoir water level, which is between 14 to 41 days. While downstream piezometers have a longer response, which is between 25 to 61 days. Pore ​​water pressure analysis using plaxis 2D at location P.17 (upstream) resulted in a smaller value than piezometer reading. While at location P.18 (downstream) it produces a greater value than the piezometer reading. The relative error value of the two analyses is 7.73% < 12% is still considered good, so the difference is acceptable.
EVALUASI PERILAKU DEFORMASI VERTIKAL BENDUNGAN SERMO BERDASARKAN DATA INSTRUMENTASI GEOTEKNIK Rizka Sartika Hutami; Hari Nugroho; Sutarto Edhisono
Racic : Rab Construction Research Vol 8 No 1 (2023): JUNI
Publisher : LPPM Universitas Abdurrab

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.36341/racic.v8i1.2813

Abstract

The vertical deformation of the dam is one of the important parameters to be evaluated both during the construction and post-construction periods. Abnormal deformation behavior can cause various problems that threaten the safety of the dam. Evaluation is very important to do, especially on the Sermo Dam which has been loaded for more than 25 years to knows its behavior. Identification of abnormal behavior is done by evaluating the results of the vertical deformation analysis based on the instrumentation reading data against the acceptance criteria. In the construction, the vertical strain value compared with the depth below crest value resulted in abnormal behavior. However, evaluation of the settlement that occurs results in normal behavior. In the post-construction, evaluation with Sherard (1965) and ICOLD (1993) criteria resulted in abnormal conditions at certain elevations. However, evaluation based on the settlement index and acceptance criteria of Sowers (1965) and Hunter and Fell (2003) resulted in normal conditions.
Co-Authors Angga Setyadi Hari Nugroho Rizka Sartika Hutami SUHARYANTO SUHARYANTO