倾斜仪壁龛含水量变化与仪器漂移量的关系

RELATIONSHIP BETWEEN TABERNACLE WATER CONTENT CHANGE AND INSTRUMENT DRIFT OF CLINOMETER

摘要: 实验证明水平摆工作室加入吸湿剂后观测曲线发生较大漂移。根据水平摆工作原理及岩石含水量变化使其表面发生的变化,揭示岩石含水量变化对仪器漂移的影响。通常岩石中的水以两种方式赋存,结合水和自由水。它们对岩石力学性质的影响主要体现在:连结作用、润滑作用、水楔作用、孔隙压力作用、溶蚀及潜蚀作用等。空隙中液体的压力对岩石的力学性质有很大影响,因而导致岩石变形。由于水对岩石中的作用力产生的重要影响,而当力达到一定程度必将引起岩石的变形。

Abstract: Experiments show that the observation curve of clinometer appears remarkable change when hygroscopic agent is added.According to the working principle of the clinometer and the effect of rock water content change to the surface of the rock,this article shows the relationship between the rock water content change and the instrument drift.Usually,there are two forms of water in the rock,combined water and free water,their effect to rock are mainly as following: linking,lubricating,wedging,hole stressing,dissolving eroding and latent eroding.The pore water pressure has great effect on the rock mechanical properties which leads to rock transmutation.