STUDI DAYA DUKUNG TANAH LEMPUNG LUNAK MENGGUNAKAN ECOMIX.
ABSTRACT: In this research,
the soil to test is soft clay soil from Rawa Sragi area of Belimbing Sari
village, inJabung sub district of East Lampung regency, Lampung province. The
soil properties were as thefollowing: specific gravity 2.546; water content
50.64%, liquid limit 61.26%, plasticity limit30.77%, plasticity index 30.49%,
and material sieve passing no. 200 was 90.42%. Additive mate-rial to use was
Ecomix. There were three treatments of ecomix mixtures of 3 gr, 4 gr, and 5gr
with0.4 kg cement and 6 kg soft clay soil samples. The mixture samples were
letting aside for 7 daysand soaked for 4 days.The results showed that the ecomix
addition to mixture or cement and soft clay soil was able toimprove the soil
mechanical and physical properties. The physical test results such as
specificgravity, optimal water content, and plasticity index tests showed
decreasing results after soil sta -bilization. The maximum CBR value was
obtained in mixture of 34.49% in non-soaked condition,while the lowest CBR
value was 8.2% soaked condition. The CBR test results showed that the
soilmixture of ecomix additive material and cement can be used for road
construction subgrade be-cause the CBR value was 6%
Penulis: Setyanto, Andius Dasa
Putra, Erik Permana
Kode Jurnal: jptsipildd130503
