On Install Technique of GEOKON 4300 Vibrating Wire Stress Appearance

The aperture and the quality of installation are the most important factors to installing the vibrating wire stress appearance.Under the restriction of construction condition,the contact degree and the installation position of the stress appearance are difficult up to the standard,even fall off the drill.In this paper,two drill technique is analyzes,and a new method of drill is presents.This method includes advantages of former two.The practical effect shows that the new drill technique can ensure installation quality.