Perbaikan Permeabilitas Tanah Gambut Menggunakan Campuran Pasir dan Teknik Bio-grouting Berbahan Bakteri

Amarullah, Rizky (2021) Perbaikan Permeabilitas Tanah Gambut Menggunakan Campuran Pasir dan Teknik Bio-grouting Berbahan Bakteri. Other thesis, Universitas Islam Riau.

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Abstract

Restoring of peat soil permeability using stabilitation a mixture of sand and bio-gruoting techniques made from bacteria to determine the effect of adding sand sand 5% of the dry soil weight and bacteria on the permeability of peat soil. Peat soil is a problem that is often faced in the world of construction. Peat is a type of soil that is formed from the accumulation of semi-decomposed plant debris, therefore, its high organic matter content. The research testing method refers to ASTM (American Society for Testing and Materials) and SNI procedures, preliminary testing, namely testing the original soil moisture content, testing the density of the original soil and testing standard compaction (proctor test), for permeability testing using the falling head method. The original soil was taken at the location of Buana Makmur Village km 55, Dayun District, Siak Regency, 5% sand from the dry weight of the soil, additional materials for bacteria and CaCl2 and Uruea. soil mechanics Civil Engineering Riau Islamic University. The test results of the physical properties of the original soil show that the land in the village of Buana Makmur km 55, Dayun District, Siak Regency is the original soil type with a moisture content of 407.5% and a specific weight (Gs) of 1.3 gr. From the permeability test carried out by mixing 5% sand and adding 25% bacteria, it has the lowest permeability coefficient value compared to the original soil and sand mixed soil with a permeability coefficient K20oc = 1.166x10-3 cm / second.

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