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All Journal Jurnal Ilmiah Universitas Batanghari Jambi TAPAK (Teknologi Aplikasi Konstruksi) : Jurnal Program Studi Teknik Sipil
Muhammad Hasan Wicaksono
Universitas Ibn Khaldun Bogor
Agriculture, Biological Sciences & Forestry Civil Engineering, Building, Construction & Architecture Control & Systems Engineering Economics, Econometrics & Finance Education Engineering Law, Crime, Criminology & Criminal Justice Mechanical Engineering Transportation

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Analisis Stabilitas Lereng Bendungan Terhadap Beban Gempa sebagai Upaya Pengurangan Bencana (Studi Kasus: Bendungan Jlantah) Nurul Chayati; Muhammad Hasan Wicaksono; Fadhila Muhammad Libasut Taqwa
Jurnal Ilmiah Universitas Batanghari Jambi Vol 23, No 1 (2023): Februari
Publisher : Universitas Batanghari Jambi

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33087/jiubj.v23i1.2249

Abstract

Indonesia is a country that has quite high seismic activity and is prone to earthquake hazards, so the construction of embankment dams in Indonesia needs to pay attention to stability against collapse due to soil mass and earthquake loads. Jlantah dam is located in Karanganyar, Central Java. This dam is planned for irrigation needs of 1493 hectares and raw water of 150 liters/second. This study aims to determine the safety factor (Fs) on the Jlantah Dam body. The method used is a quantitative data analysis method, the calculation of the earthquake coefficient corrected by OBE and MDE, carried out with the help of a computer program, namely GeoStudio 2012. Meanwhile, if the earthquake coefficient is known not to be Fs 1.5. The method used is based on references from KP 02-Planning Criteria for Main Building Section and KP 06-Planning Criteria for Parameters Section, and Pd T-14-2004-A. The terms (Fs 1,2) which are used as the theoretical basis are quoted from the theory of Prof. Hoek (1981) stated that by knowing the earthquake coefficient, Fs 1.2 can be used, while if the earthquake coefficient is not known Fs 1.5 Analysis of Earthquake Backfill Type Dam Stability. From the results of the study, it was found that at the time of maximum water and the earthquake for the road dam body was declared from a good structural failure. The results of the bottom study on MDE earthquake conditions from the maximum water level obtained Fk > 1.0 Fk minimum, the maximum water level obtained Fk > 1, 2 Fk minimum with OBE earthquake conditions.
STABILITAS PROTECTION LERENG SPILLWAY BENDUNGAN JLANTAH Muhammad Hasan Wicaksono; Redho Muktadir
TAPAK [Teknologi Aplikasi Konstruksi] : Jurnal Program Studi Teknik Sipil Vol 13, No 2 (2024): Mei 2024
Publisher : Prodi Teknik Sipil Universitas Muhammadiyah Metro

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24127/tp.v13i2.3394

Abstract

Pekerjaan konstruksi pada area spillway harus sangat diperhatikan. Slope di sekitar lereng spiilway perlu diperhatikan stabilitasnya. Hal ini dikarenakan terdapat litologi batuan penyusun dari muda ketua Tuff Lapili, Aglomerat dan Breksi Vulkanik. Jenis litologi ini memiliki tingkat pelapukan yang berbeda beda maka dari itu perlu ada proteksi lereng galian dimana proteksi lereng). Dengan menganalisis stabilitas slope kita dapat mengetahui factor keamanan, dan slope protection galian spiilway yang aman di area spillway. analisis dilakukan dengan bantuan program komputer yaitu GeoStudio 2018. Berdasarkan hasil analisis pemodelan numerik slope protection pada proteksi lereng spillway, menggunakan 4 tipe proteksi lereng. Proteksi lereng tipe 1 menggunakan Shotcrete 10 cm + Single Wiremesh Rockbolt 6m tanpa Waller, Proteksi lereng tipe 2 menggunakan Shotcrete 10 cm + Single Wiremesh Rockbolt 9m tanpa Waller, Proteksi lereng tipe 3 menggunakan Shotcrete 15 cm + Single Wiremesh Rockbolt 9m Waller 4D13 dan Proteksi lereng tipe 4 menggunakan geomat . Dari hasil analisis protection pada galian spillway, dengan menggunakan 4 tipe pada kondisi Tanpa gempa nilai FK ≥ 1.5 dan pada kondisi dengan gempa nilai FK ≥ 1.1.
Co-Authors Chayati, Nurul Fadhila Muhammad Libasut Taqwa Redho Muktadir