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All Journal Proceeding of World Conference Journal of Applied Science, Engineering, Technology, and Education Jurnal Komposit : Jurnal Ilmu-Ilmu Teknik Sipil Tameh : Journal of Civil Engineering
Nandiasa, Jantiara Eka
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Journal : Jurnal Komposit : Jurnal Ilmu-Ilmu Teknik Sipil

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Analisis Daya Dukung Tiang Pancang Tunggal Berdasarkan Data NSPT yang Diverifikasi dengan Data SLT pada Proyek Gedung SIG 2 Bogor Priyadi, Wisia Joko; Muktadir, Redho; Hariati, Feril; Taqwa , Fadhila Muhammad Libasut; Nandiasa, Jantiara Eka
Jurnal Komposit: Jurnal Ilmu-ilmu Teknik Sipil Vol. 8 No. 2 (2024)
Publisher : Universitas Ibn Khaldun

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.32832/komposit.v8i2.17431

Abstract

The foundation structure design for the construction of the SIG-2 Building uses a circular pile foundation with a diameter of 0.60 meters and a depth of 15 meters. Verification of the planned bearing capacity was carried out based on data from 2 (two) NSPT test points and continued by comparing the actual carrying capacity based on Static Loading Test (SLT) data. This research aims to compare the planned bearing capacity with the actual bearing capacity during construction, and settlement occurred. Analysis of bearing capacity calculations was carried out based on NSPT data using the Meyerhoff method, while analysis of actual bearing capacity calculations based on SLT data used the Davisson method, Chin method, and Mazurkeiwich method. Based on research conducted at 2 (two) test points, the average bearing capacity of the pile is 185.99 tons, and the average settlement (Sav) is 47.3 millimeters. The allowable settlement is 60 millimeters. The settlement on tested piles is 14,8 mm and 15,8 mm respectively. The results of the bearing capacity analysis based on actual Static Loading Test (SLT) data with a planned load of 200 tons using the Davisson method, Mazurkeiwich method, and Chin method are 179 tons, 185 tons, and 234,9 tons, respectively. Based on the upper structure loading data obtained from the structural planning report, it is concluded that the bearing capacity of the pile group is still safe and able to withstand the planned load on each column of the building structure, assuming the bearing capacity of a single pile of 179 tons, a total of 61 piles with the allowable bearing capacity of all piles of 10,809.81 tons and the building plan load of 9,066.23 tons.
Perhitungan Kebutuhan Air Irigasi untuk Perluasan Daerah Irigasi (Studi Kasus: Daerah Irigasi Cisadeng II, Desa Leuwisadeng, Kecamatan Leuwisadeng, Kabupaten Bogor) Rahayu, Uga Sri; Hariati, Feril; Alimuddin, Alimuddin; Nandiasa, Jantiara Eka
Jurnal Komposit: Jurnal Ilmu-ilmu Teknik Sipil Vol. 7 No. 1 (2023)
Publisher : Universitas Ibn Khaldun

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.32832/komposit.v7i1.8425

Abstract

The need for irrigation water as a whole need to be known in the planning and management of irrigation systems. Given that the Cisadeng II Irrigation Area (DI) located in Leuwisadeng District, Bogor Regency, experienced an expansion of the paddy field area from 32 ha to 42 ha, it is necessary to carry out an analysis of the demand for irrigation water discharge on various cropping patterns. This study used two methods, namely manual calculation (KP-01 concept) and calculation using the CROPWAT application version 8.0. This study aims to compare the results of the two calculations. From the results of the study, the amount of irrigation water needed for rice cropping pattern with the beginning of land preparation in November, with manual calculations (KP-01 concept) using the modified Penman method is 8.12 - 19.00 m3/sec. Meanwhile, according to CROPWAT Version 8.0 calculations, it is 8.03 - 18.39 m3/sec. Thus, it can be concluded that the calculations with the two methods do not give too different values. In addition, from the results of calculating the reliable debit, the use of the CROPWAT Version 8.0 method provides a more accurate value. Keywords: Irrigation, water demand, manual calculation (KP-01), CROPWAT Version 8.0
Co-Authors Chika Restu Maulidina, Chika Fadhila Muhammad Libasut Taqwa Feril Hariati Moyo, Ari Muktadir, Redho Nurardiansyah, Ridi Priyadi, Wisia Joko Rahayu, Uga Sri Rizkan, Dega