IS 9214 : 1979 Method for determination of modulus of sub-grade reaction (k-value) of soils in the field

UDC 624.131.522 CED 43
Reaffirmed 2021

1 Scope

1.1 This standard deals with the method for the determination ofmodulus of subgrade reaction of the soil in place (generally knownas K-value of the subgrade), for evaluation of strength of subgradefor roads, runway pavements and raft foundations.

2 References

IS 2 :1960      Rules for rounding offnumerical values

IS 2809 : 1972  Glossary of terms and symbols relating to soil engineering