About this document
California Bearing Ratio Testing Guide by Nur Syahira is a document available to read on EtoBox.
The document discusses the California Bearing Ratio (CBR) test, which measures the mechanical strength of soils used for roads and airstrips. The CBR test involves measuring the pressure required to penetrate a soil sample with a standard piston, and dividing it by the pressure to penetrate a crushed rock sample. This ratio produces a CBR value, with higher values indicating stronger soils. Soil strength can be rated on the CBR scale, from 3 for tilled farmland to over 80 for high quality crushed rock. The
- Author
- Nur Syahira
- Language
- EN