Fakhrulloh, Ahzar and Ir. Suwanto Marsudi, MS., and Dr. Eng. Evi Nur Cahya,, ST., MT. (2023) Studi Perencanaan Pengelak Tipe Konduit dan Cofferdam Di Bendungan Cijurey Kabupaten Bogor Provinsi Jawa Barat. Sarjana thesis, Universitas Brawijaya.
Abstract
Banjir di daerah hilir sungai Citarum merupakan permasalahan yang menjadi perhatian bersama khususnya bagi daerah Provinsi Jawa Barat, maka dibangun Bendungan Cijurey. Bendungan Cijurey berlokasi di Desa Sukadamai, Kecamatan Sukamakmur, Kabupaten Bogor. Pada pelaksanaan konstruksi bendungan dibutuhkan bangunan pengelakan aliran sungai. Studi ini dilakukan guna merencanakan konduit pengelak dan cofferdam pada Bendungan Cijurey. Direncanakan Konduit berbentuk persegi dan cofferdam. Dilakukan penelusuran banjir untuk menentukan tinggi muka air pada inlet konduit. Dilakukan perhitungan rembesan dan stabilitas lereng cofferdam, serta dilakukan analisa struktur pada konduit pengelak. Perhitungan penelusuran banjir dengan kala ulang 25 tahun dengan debit sebesar 291,47 m3/detik didapatkan ketinggian muka air pada inlet konduit 9,43 m maka dipilih dimensi konduit 5x5m dan tinggi cofferdam setinggi 10 m. Didesain cofferdam berinti lempung urugan kerikil- kerakal dengan kemiringan lereng 1 : 2,5 dan diberi perlindungan riprap. Perhitungan rembesan dan stabilitas lereng pada cofferdam telah memenuhi standard minimum. Analisa struktur pada konduit berdimensi 5x5m dengan ketebalan 1,25 m, 1 m, dan 0,85 m dihitung nilai momen maksimum, maka didapatkan tulangan masing-masing secara berurutan yaitu, tulangan utama D29-120 dan tulangan bagi D25-120, tulangan utama D29-130 dan tulangan bagi D25-150, dan tulangan utama D29-100 dan tulangan bagi D22-140.
English Abstract
Flooding in the downstream area of the Citarum river is a problem of common concern, especially for the West Java Province, so the Cijurey Dam was built. The Cijurey Dam is located in Sukadamai Village, Sukamakmur District, Bogor Regency. In the implementation of dam construction, it is necessary to build a river flow circumvention. This study was conducted to plan conduits diversion and cofferdam at the Cijurey Dam. It is planned that the conduit will be square and cofferdam. Flood tracing is carried out to determine the water level at the conduit inlet. Seepage calculations and slope stability of the cofferdam were carried out, and structural analysis was carried out on the circumferential conduit. The calculation of flood tracing with a return period of 25 years with a discharge of 291.47 m3/sec obtained a water level at the inlet conduit of 9.43 m, so the conduit dimensions were 5x5m and the cofferdam height was 10 m high. The cofferdam is designed with a core of gravel-fill clay with a slope of 1 : 2.5 and is protected by riprap. The calculation of seepage and slope stability in the cofferdam has met the minimum standards. Structural analysis of the conduit with dimensions of 5x5m with a thickness of 1.25 m, 1 m, and 0.85 m calculated the maximum moment value, then the respective reinforcement obtained sequentially is the main reinforcement D29-120 and reinforcement for D25-120, the main reinforcement D29 -130 and reinforcement for D25-150, and main reinforcement for D29-100 and reinforcement for D22-140.
| Item Type: | Thesis (Sarjana) |
|---|---|
| Identification Number: | 0523070006 |
| Uncontrolled Keywords: | Konduit Pengelak, cofferdam, rembesan, stabilitas, analisa struktur. .- Conduit Diversion, cofferdam, seepage, stability, structure analysis |
| Subjects: | 600 Technology (Applied sciences) > 627 Hydraulic engineering > 627.5 Reclamations, Irrigation, related topics > 627.52 Irrigation |
| Divisions: | Fakultas Teknik > Teknik Pengairan |
| Depositing User: | Endang Susworini |
| Date Deposited: | 05 Jun 2023 06:51 |
| Last Modified: | 05 Jun 2023 06:51 |
| URI: | http://repository.ub.ac.id/id/eprint/200732 |
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Text (DALAM MASA EMBARGO)
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