Cbr test manual pdf

California bearing ratio test apparatus * Formerly MIL-STDlA. Method , 22 December C (Issued 1 Dec. ) ment (as illustrated in Figure 2). which can be used to force the penetration piston into the specimen at a uni-form rate of in. per minute. Figure 2. Laboratory CBR Test equipment. California Bearing Ratio [CBR] Test Machines. The California Bearing Ratio (CBR) test is a measure of the strength of subgrade soil and highway sub base and subgrade via a penetration test. It is designed for testing cohesive materials with a particle size less than 19mm, in Australia the governing standard is . LAB REPORT ON CBR COMPACTION TEST (report-2) Department of Civil Engineering Oklahoma State University Submitted by: Under the guidance of: www.doorway.ru Venkateswarlu Yang, Xiaoming, Ph.D.,P.E. CWID: Date() OBJECTIVE To find the CBR value of the soil in controlled moisture content and in molded conditions.

the CBR test shall be carried out on the sample recompacted to a dry density ratio of % standard compaction and at standard optimum moisture content. Results of laboratory testing carried out on each subgrade sample shall be presented either in. LAB REPORT ON CBR COMPACTION TEST (report-2) Department of Civil Engineering Oklahoma State University Submitted by: Under the guidance of: www.doorway.ru Venkateswarlu Yang, Xiaoming, Ph.D.,P.E. CWID: Date() OBJECTIVE To find the CBR value of the soil in controlled moisture content and in molded conditions. The California bearing ratio (CBR) test was originally de­ veloped by the California Division of Highways (1). This test has been further developed by others and is the most commonly used strength test for evaluating the subgrade quality of soils (ASTM D and AASHTO T). Yet there are varia­.

This instruction sheet covers the laboratory method for the determination of C.B.R. of undisturbed and remoulded /compacted soil specimens, both in soaked as. CALIFORNIA BEARING RATIO TEST. 1. Objective. CBR is the ratio expressed in percentage of force per unit area required to penetrate a soil mass with a. 6 jun Materials Testing Manual, Transport and Main Roads, June California Bearing Ratio of soil at nominated levels of dry density.