Pengaruh Adiktif Difa Soil Stabilizer Terhadap Nilai Kuat Tekan Bata Putih

MICHELLA, Putu Patricia Dhea (2025) Pengaruh Adiktif Difa Soil Stabilizer Terhadap Nilai Kuat Tekan Bata Putih. Undergraduate thesis, Universitas Katolik Widya Mandira Kupang.

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Abstract

This research aims to determine the effect of adding the additive Difa Soil Stabilizer on the properties and compressive strength values of white bricks originating from white soil (limestone) in Kupang. The background to this research is based on the abundant availability of white soil, but it has limited mechanical properties, so efforts are needed to improve quality through the addition of stabilizing materials. The research method used is quantitative research with laboratory testing at the NTT Provincial Public Works Service. The samples used consisted of white soil, cement, water, and variations of Difa Soil Stabilizer at 3%, 5%, and 7% of the cement weight. Tests carried out include sieve analysis, water content, bulk density, specific gravity, and compressive strength tests at 28 days. The research results showed that white brick without the addition of Difa soil stabilizer had an average compressive strength of 43.44 kg/cm². After adding Difa soil stabilizer, the compressive strength increased significantly, namely in the 3% mixture it was 77.31 kg/cm², in the 5% mixture it was 86.02 kg/cm², and reached the highest value in the 7% mixture of 92.65 kg/cm.

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