沥青, 土壤, California Bearing Ratio

California Bearing Ratio Test Essential in Road Construction

• 2020年4月3日
• 类别: 设备指南

The California Ratio (CBR) test is a penetration test used to evaluate the subgrade strength of roads and pavements. The California Bearing Ratio Test was developed by the California Division of Highways around 1930 and has subsequently been adopted by numerous states, the Federal Highway Commission, and many other countries.... Read more >