Studi Dan Analisa Campuran Tanah Lempung Dan Abu Sekam Padi Terhadap Nilai Permeabilitas Dengan Alat Falling Head

Dedi Setiawan, Lusmeilia Afriani, Setyanto Setyanto

Abstract


Soil permeability value for every construction is different. Such differences affect the strength of a
civil construction to be built. Therefore it is necessary to attempt to manipulate the soil
permeability value by adding the additive to a soil permeability values obtained in order to meet
the standard of civil construction to be built. Among the many additives are used as soil
stabilization materials, one of them is rice husk ash. Some recent researches in the field of Civil
Engineering showed that rice husk ash mixture useful as a particularly clay soil stabilization.
Because rice husk ash can fill the cavities that exist between the grains of ground.
Soil samples tested in this study is clay derived from Perumahan Bhayangkara, Kelurahan
Beringin Jaya, Kecamatan Kemiling, Bandar Lampung. Rice husk ash used were obtained from
Dusun Dantar, Kecamatan Padang Cermin, Kabupaten Pesawaran. This study was conducted to
determine the effect of rice husk ash to the soil permeability values.
The results of analysis and calculations performed in the laboratory obtained average
permeability value (k) for soil with 5% rice husk ash added, 10% rice husk ash added, and 15%
rice husk ash added. The permeability value used to be compared with native soil (clay).
Key words: clay, rice husk ash, permeability.

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Engineering Faculty

University of Lampung

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