Tek-Tips is the largest IT community on the Internet today!

Members share and learn making Tek-Tips Forums the best source of peer-reviewed technical information on the Internet!

  • Congratulations TugboatEng on being selected by the Eng-Tips community for having the most helpful posts in the forums last week. Way to Go!

Recent content by JLangdon

  1. JLangdon

    Getting K(Modulus of Subgrade Reaction) from CBR values(by CD225 eq2.4) for use in TR34 Calculation

    I have a project where the SI gives a CBR value of 2.9%. I have seen that there is an approximation in CD225 stating: E = 17.6(CBR)^0.64 where: E is the estimated subgrade surface modulus(MPa)& CBR is the California bearing ratio (CBR) of the subgrade. I know TR66 says "For ground-supported...

Part and Inventory Search

Back
Top