STUDY OF UNSATURATED FAILURE ENVELOPE IN 20 KPA MATRIC SUCTION VALUE OF COMPACTED CRUSHED SHALE FROM CISOMANG AREA
Shale is a kind of soil and / or rock that are considered problematic by Indonesian geotechnical experts. Shale behavior is influenced by dry and wet conditions. These conditions greatly affect shear strength of the soil. One of the tests that can be done to get shear strength parameter on shale...
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| Format: | Theses |
| Language: | Indonesia |
| Online Access: | https://digilib.itb.ac.id/gdl/view/71111 |
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| Institution: | Institut Teknologi Bandung |
| Language: | Indonesia |
| Summary: | Shale is a kind of soil and / or rock that are considered problematic by Indonesian
geotechnical experts. Shale behavior is influenced by dry and wet conditions. These
conditions greatly affect shear strength of the soil. One of the tests that can be done to get
shear strength parameter on shale is unsaturated triaxial testing. Unsaturated triaxial
testing is performed to simulate dry and wet cycles on shale. This simulation is carried
out to get more suitable result with the actual condition or the properties of the shale.
The shale samples used in this study came from Cisomang, West Java. Shale is formed
by crushing and then compacting using modified proctor c-method using optimum water
content (????????????????) = 16.10%.. Sample tested using unsaturated triaxial by consolidated
drained (CD) method. Matric suction value (???????? ? ????????) used in this study was 20 kPa. The
outcome of this study were obtained shale shear strength parameters with a matric suction
of 20 kPa, ???????? = 230, ???? = 41 ????????????, ???????? = 21.30 and ???? = 38 ????????????.
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