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Determines soil strength characteristics. T 19399 2003 for determining cbr. California bearing ratio (cbr) test was d.
Astm d188399 standard test method for california bearing ratio of laboratory compacted soil, cbr. This is used to measure sub grade or formation strength for road design and construction. This test method covers the determination of cbr (california bearing ratio) pavement subgrade, subbase, and base course materials from laborato.
1 california state highway department 2 indian roads congress c. This lecture includes following topics tests on soil in highway engineering most important cbr test aim of procedure formula for. The california bearing ratio test, (usually called cbr test) is an empirical test developed in california, usa for determining relative & e.
The insitu cbr test carried out in uk. In this video we will learn how to design a flexible pavement using cbr method two ways. California bearing ratio (test data.