Please use this identifier to cite or link to this item: https://repositori.uma.ac.id/handle/123456789/24476
Title: Analisis Korelasi Kuat Geser Tanah Menggunakan Uji Triaksial & Uji Direct Shear Test Nickel Smelter Kalimantan Timur
Other Titles: Correlation Analysis of Soil Shear Strength Using Triaxial Test and Direct Shear Test Nickel Smelter East Kalimantan
Authors: Tania, Epi
metadata.dc.contributor.advisor: Wulandari, Tika Ermita
Keywords: Uji Triaksial;Nilai Sudut Geser & Nilai Kohesi;Uji Direct Shear
Issue Date: Mar-2024
Publisher: Universitas Medan Area
Series/Report no.: NPM;198110067
Abstract: Kuat geser tanah merupakan kekuatan tanah untuk memikul beban – beban atau gaya yang dapat menyebabkan kelongsoran, keruntuhan, gelincir dan pergeseran tanah. Faktor yang mempengaruhi kuat geser seperti keadaan tanah (angka pori, ukuran & bentuk butiran), jenis tanah (pasir, lempung), kadar air. Tujuan penelitian nilai kuat geser tanah menggunakan uji triaksial & uji direct shear mendapatkan hasil korelasi nilai sudut geser dan nilai kohesi dengan menggunakan regresi linear, mengetahui nilai seberapa besar kuat geser tanah dari uji tersebut, dan mengetahui perbedaan hasil sudut geser dan nilai kohesi dari kedalaman data borelog. Persamaan yang direkomendasikan untuk digunakan dalam memprediksi nilai kuat geser dan kohesi yaitu : , . Hasil dari perhitungan melalui persamaan data pengujian triaksial dan direct shear tersebut didapat nilai rata – rata ϕtriaksial 22,96 kg/m² sedangkan ϕdirect shear 24,65 kg/m² yang mana ϕtriaksial < ϕdirect shear, maka korelasi empiris kuat geser tanah dari kedua pengujian konsitensi sudut geser tanah termasuk sangat lunak (very soft). Nilai kohesi Ctx dengan rata – rata 0,52º lebih kecil dari nilai Cdx ya itu 0,77º, maka korelasi empiris kuat geser tanah dari kedua pengujian konsitensi kohesi tanah termasuk sangat lunak (very soft). Soil shear strength is the strength of the soil to carry loads or forces that can cause landslides, collapses, sliding and shifting of the soil. Factors that influence shear strength include soil condition (pore number, size & shape of grains), soil type (sand, clay), water content. The aim of research is the value of soil shear strength using the triaxial test & direct shear test, to obtain the correlation results of the shear angle value and the cohesion value using linear regression, to find out the value of the shear strength of the soil from the test, and to find out the difference in the results of the shear angle and cohesion values ​​from the depth of the data. borelog. The recommended equations to be used in predicting shear strength and cohesion values ​​are: , . The results of calculations using the equation of triaxial and direct shear test data obtained an average value of ϕtriaxial 22.96 kg/m² while ϕdirect shear was 24.65 kg/m², where ϕtriaxial < ϕdirect shear, then the empirical correlation of soil shear strength from the two consistency tests the angle of friction of the soil is very soft. The Ctx cohesion value with an average of 0.52º is smaller than the Cdx value, which is 0.77º, so the empirical correlation of soil shear strength from the two soil cohesion consistency tests is very soft.
Description: 74 Halaman
URI: https://repositori.uma.ac.id/handle/123456789/24476
Appears in Collections:SP - Civil Engineering

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