NF P94-105-2012
土壤:调查和试验.压实调查.可变能量动态透光计方法.透光计校准用原理和方法.结果利用.解释
Soils : investigation and testing - Inspection of compaction quality - Method using a variable energy dynamic penetrometer - Principle and method for calibrating the penetrometer - Exploitation of results - Interpretation.