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Swelling sand (gatch) from Kuwait
Abstract Widespread deposits of well graded, lightly cemented, slightly clayey quartz sands, known locally as “gatch”, are used extensively in Kuwait for road base construction. When compacted dry of optimum water content the gatch produces an extremely good base material with California Bearing Ratio (C.B.R.) values of 40–80% for well graded samples. When wetted, however, the gatch often swells in excess of 15% and loses most of its strength, the C.B.R. values decreasing to about 2% after soaking. This swelling is caused by about 5% montmorillonite in the sandy soil.
Swelling sand (gatch) from Kuwait
Abstract Widespread deposits of well graded, lightly cemented, slightly clayey quartz sands, known locally as “gatch”, are used extensively in Kuwait for road base construction. When compacted dry of optimum water content the gatch produces an extremely good base material with California Bearing Ratio (C.B.R.) values of 40–80% for well graded samples. When wetted, however, the gatch often swells in excess of 15% and loses most of its strength, the C.B.R. values decreasing to about 2% after soaking. This swelling is caused by about 5% montmorillonite in the sandy soil.
Swelling sand (gatch) from Kuwait
Quigley, R.M. (author) / Heffernan, F.J. (author)
Engineering Geology ; 2 ; 351-356
1968-02-20
6 pages
Article (Journal)
Electronic Resource
English
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