What is the CBR? Everything You Need to Know
First developed by the California State Highway Department in the 1930s, the California bearing ratio (CBR) test is now a worldwide standard test method for assessing the strength of subgrade and subbase materials. In this post, we’ll answer the questions, “What is the CBR,” and “What is the CBR’s importance.” What is the CBR (California … Continue reading What is the CBR? Everything You Need to Know
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