标准号:IS 9214-1979
发布日期:1980/5/1 12:00:00
实施日期:1999/12/31 12:00:00
适用范围: This standard deals with the method for the determination of modulus of subgrade reaction of the soil in place (generally known as K-value of the subgrade), for evaluation of strength of subgrade for roads, runway pavements and raft foundations.