On test of reliable walls of ancient walls in Pingyao
MA Cheng-l · Shanxi Architecture · 2011
According to the reference to the keyhole technique and the internal detection technique in modern medicine,the paper adopts GJY-150 diesel rig to undertake the horizontal drilling sample with the dry low-speed on the ancient walls of Pingyao,so as to detect the internal mystery in the ancient walls,and provide the reliable data for the maintenance for the ancient walls of Pingyao.