Open AccessPengaruh Penambahan Bubuk Gypsum Pada Tanah Lempung Dengan Pengujian Direct Shear
Author(s) -
Josua Gilang Pang’ Raran,
Irwan Lie Keng Wong,
Ika Apriyani
Publication year - 2022
Publication title -
paulus civil engineering journal
Language(s) - English
Resource type - Journals
eISSN - 2775-8613
pISSN - 2775-4529
DOI - 10.52722/pcej.v4i1.377
Subject(s) - direct shear test , gypsum , soil test , shear strength (soil) , geotechnical engineering , compressibility , shear (geology) , soil science , geology , soil water , environmental science , materials science , metallurgy , composite material , physics , thermodynamics
Clay soil is a type of cohesive soil that has low shear strength but high compressibility. The purpose of the study was to determine the physical properties of soil originating from Rantebua Village, Rantebua District, North Toraja Regency, and to determine the effect of adding gypsum to soil originating from Rantebua Village, Rantebua District, north Toraja Regency by direct shear testing. The research method includes testing the phy properties of the soil and mechanical testing on direct shear. The result of the direct shear test that has been obtained shows that each soil sample mixed with gypsum at a composition 12%, 20%, and 28% has an increase in value (c) and value (ϕ). According to the USCS, it is classified as a fine-grained soil type with low to moderate plasticity, then for the result of the direct shear test in the presence of a mixture of gypsum into four soil samples, it can have an increasing effect on the value of (c) and value (ϕ) so that the bearing capacity of the soil becomes better than the soil condition before it was mixed with gypsum.