oa Civil Engineering = Siviele Ingenieurswese - Plate tests for the measurement of modulus and bearing capacity of gravels
Because they are difficult to sample and test in the laboratory, gravels are best tested in situ. Plate bearing tests are widely used to measure the modulus of solis and weak rocks and are also suitable for gravels. Equipment and test procedures have been developed to allow the rapid testing of gravels. The widespread use of trial holes and test pits for foundation investigations in Southern Africa provides the opportunity to perform these tests on a routine basis. The results of 175 plate bearing tests in gravels were analysed in the paper. The soli modulus was determined from each test using both a simplified elastic analysis and a rectangular hyperbola method. Relationships were presented between modulus and observed consistency, and also between plate bearing capacity and consistency.
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