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All Journal Jurnal Komposit : Jurnal Ilmu-Ilmu Teknik Sipil INTER TECH
Redho Muktadir
Universitas Ibn Khaldun Bogor
Civil Engineering, Building, Construction & Architecture Computer Science & IT Electrical & Electronics Engineering Engineering Transportation

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Analisis Stabilitas Dinding Penahan Tanah Saluran Irigasi Situ Bala, Desa Purwasari, Kecamatan Dramaga, Kabupaten Bogor Mohammad Hasby Assiddiqy; Syaiful Syaiful; Alimuddin Alimuddin; Redho Muktadir; Fadhila Muhammad Libasut Taqwa
Jurnal Komposit: Jurnal Ilmu-ilmu Teknik Sipil Vol. 7 No. 2 (2023)
Publisher : Universitas Ibn Khaldun Bogor

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.32832/komposit.v7i2.8295

Abstract

ABSTRAKDinding penahan tanah adalah suatu struktur yang dibangun untuk menahan tanah lateral ketika tanah mengalami perubahan dalam elevasi, dan melampaui sudut geser dalam tanah. Dinding pengaman tebingan yang terletak tepat di Situ Bala, Desa Purwasari, Kecamatan Dramaga telah mengalami kerusakan pada bagian dasar strukturnya terutama pada bagian yang terkena sistem irigasi sehingga perlu dilakukan perbaikan terhadap dinding penahan tanah eksisting. Tujuan penelitian ini adalah untuk menganalisis kondisi lereng akibat tergerus oleh aliran udara yang mengakibatkan terjadinya longsor, merencanakan dinding penahan tanah agar memiliki faktor keamanan yang cukup, dan menghitung kapasitas daya dukung tanah. Metode yang digunakan dalam penelitian ini adalah Metode Rankine .Hasil analisis menunjukkan perlindungan terhadap guling Fs= 0.86 < 1,5 (tidak aman terhadap geser Fs = 2.5119 > 1,5 (aman), dan analisis ketahanan daya dukung tanah qtoe = 12419.5895 < Qall= 4139.8631 (aman) dan qhell = 31.4263 (aman).  Kata kunci: Stabilitas, dinding penahan tanah , Metode Rankine ABSTRAKA retaining wall is a structure constructed to resist lateral soil when the soil undergoes a change in elevation and exceeds the angle of shear in the soil. The cliff safety wall which is located right at Situ Bala, Purwasari Village, Dramaga District, has suffered damage to the basic part of the structure, especially the part affected by the irrigation canal so that it is necessary to repair the existing retaining wall. The purpose of this study was to analyze the condition of the slope, where the air flow above it eroded which resulted in landslides changing the channel so that it was necessary to redesign the existing retaining wall, plan the retaining wall to be safe against shear conditions, overturning, and the carrying capacity of the soil. The method used in this study is the Rankine Method. The results of the analysis show resistance to overturning Fs= 0.86 < 1.5 (unsafe against shear Fs = 2.5119 > 1.5 (safe), and soil bearing capacity analysis qtoe = 12419.5895 < Qall= 4139.8631 (safe) and qhell = 31.4263 ( safe). Kata kunci: Stabilitas, dinding penahan tanah, Metode Rankine
Studi Perbandingan Daya Dukung Aksial Tiang Pancang Tunggal Persegi Berdasarkan Hasil Uji Pembebanan Statik (SLT) dan Uji PDA pada Pembangunan Apartemen Loftville City Kota Tangerang Selatan Fadhila Muhammad Libasut Taqwa; Redho Muktadir; Feril Hariati; Muhamad Lutfi; Ande Apriliyandi
Jurnal Komposit: Jurnal Ilmu-ilmu Teknik Sipil Vol. 7 No. 2 (2023)
Publisher : Universitas Ibn Khaldun Bogor

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.32832/komposit.v7i2.9176

Abstract

Abstract: The deep foundation is one of the most important elements in the construction of high-rise buildings because the weight of the building will be fully borne by the foundation. This study aims to provide an overview of the prediction of the axial bearing capacity of single piles through a mathematical approach based on the results of the tests performed. The design axial bearing capacity is estimated through analysis of soil investigation results (N-SPT test results, DCPT test results, and laboratory investigation results), while the actual axial bearing capacity is obtained through interpretation of the Static Loading Test (SLT) results using the Davisson, Chin, and Mazurkiewicz, and the results of the PDA (Pile Driving Analyzer) load test were analyzed using the CAP-WAP application. The analysis was carried out on single piles with dimensions of 40x40 cm2, located in the Loftville City Apartment development project, South Tangerang City. Based on the results of the analysis that has been carried out, the planned axial bearing capacity is 131.3 tons, while the average carrying capacity based on the results of SLT interpretation on three tested piles using the Davisson, Mazurkiewicz, and Chin methods are 161.7; 205.4; and 98.8 tonnes. The results of the analysis are compared to the results of the PDA test, which shows a bearing capacity value of 290.1 tons, so the BCR values are 65.70% and 45.26% respectively. The BCR value is based on the results of the interpretation of the SLT test successively -respectively by 55.73%, 70.78%, and 34.06%. The BCR value which is not close to 100% may occur due to an error in determining the planned carrying capacity of 131 tons which is far below the actual carrying capacity value based on the PDA test results. The design carrying capacity value is then corrected to 100 tonnes and used as the 100% design load in the static load test so that the interpretation results also show BCR results that are not very accurate.
Analisis Stabilitas Lereng Dengan Menggunakan Perkuatan Soldier Pile (Studi Kasus Ruas Jalan Di Papua Barat) Redho Muktadir; Syaiful; Fadhila Muhammad Libasut Taqwa
INTER TECH Vol 1 No 2 (2023): INTER TECH
Publisher : Fakultas Teknik Universitas Bhayangkara Surabaya

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.54732/i.v1i2.1065

Abstract

Provinsi Papua Barat merupakan hasil pemekaran dari Provinsi Papua pada tahun 2005. Kondisi alam papua barat yang terdiri dari pergunungan yang menyebabkan jalan jalan berada pada daerah rawan longsor. Oleh karena itu penulis merasa perlu untuk menganalisis stabilistas lereng yang berada disisi jalan.Dalam analisis ini yang dilakukan pertama adalah mengecek kondisis existing lereng stabil atau tidak, lalu dilakukan analisis balik untuk mendapatkan parameter kondisi desain. Parameter desain digunakan untuk menentukan perkuatan dari lereng.Perkuatan yang digunakan adalah solder pile yang digunakan untuk memotong bidang gelicir dari lereng. Berdasarkan analisis perkuatan menggunakan solder pile tanpa anda pengeruh muka air tanah sebesar faktor keamanan adalah 2.37 dan jika ada pengaruh dari muka air tanah faktor keamanan adalah 1.3, dari nilai faktor keamanan diatas menunjukan bahwa lereng stabil dengan perkuatan menggunakan solder pile.
Co-Authors Alimuddin, Alimuddin Ande Apriliyandi Fadhila Muhammad Libasut Taqwa Hariati, Feril Mohammad Hasby Assiddiqy Muhamad Lutfi Syaiful Syaiful Syaiful