thismethodhasbeendevelopedbythecaliforniastatehighwaydepartment,andisnowacceptedbyalmostalltheinternationalstandardsinforce
cbr试模及附件 产品详情
this method has been developed by the california state highway department, and is now accepted by almost all the international standards in force. the test is aimed to the evaluation of the bearing capacity of soil for flexible pavement design in road construction. the compaction test can be performed both with the manual rammers and the automatic compactor mod. s199.