By using the digital observations of the pendulum tiltmeter, water tube tiltmeter,extensometer and volumetric strainmete......

In order to solve the problems in the observation with the SS-Y extensometer, such as background noise and discontinuity......

This paper describes a new differential extensometer, which has a baseline rod in suspension with both ends free, and so......

依据JJG 762-2007《引伸计》检定规程,使用引伸计标定器校准YYU-10/50型引伸计的系统示值,参照JJF 1059.1-2012《测量不确定度评定......