Study of Physical and Mechanical Soil Parameters as In-Situ Embankment Materials on Double Track Rail Road Construction Project Between Batu Tulis – Ciomas Station, Bogor.
Abstract
ABSTRACT
A utilization of in-situ soil as embankment material in civil construction must pay attention to the physical characteristics and mechanical parameters of the soil, in its function to support the load acting on it. In the construction of a double-track rail between Batu Tulis station at Bogor City, and Ciomas station, 3 (three) samples of local soil parameters were investigated as embankment material. Laboratory investigations were carried out, including tests of physical parameters (Atterberg limits, soil density, and grain size distribution), and test of mechanical properties, in the form of direct shear tests, compaction test, and laboratory CBR. From the test results on soil samples, soil can be classified as loose silty sand with low plasticity to well graded sand (SM-SW), with dry density (g-dry), 1.26 – 1.42 gr/cm3, CBR0.1 value of 47.5 – 76.4%, and soaked CBR0.1 value of 31.67 – 34.6%. From the tests that have been carried out, it can be concluded that the in-situ soil has high potential as embankment material, by taking into account the impacts arising from the on-site excavation, and compaction process.
Keywords: embankment material, physical properties, soil classification, soil compaction, CBR.
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