This procedure is specially formulated to measure the basic engineering properties of soil, unify test methods, and provide reliable calculation indicators and parameters for highway engineering practice and construction. This procedure is applicable to the basic engineering property testing of foundation soil, subgrade soil, fill soil and other road soil for various types of highway projects.
JTJ 051-1993 history
2007JTG E40-2007 Test Methods of Soils for Highway Engineering
1993JTJ 051-1993 Test methods of soils for highway engineering
JTJ 051-1993 Test methods of soils for highway engineering was changed to JTG E40-2007 Test Methods of Soils for Highway Engineering.