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一种地应力连续测量系统的标定方法
蔡作馨
宁德地震台,福建省宁德市蕉城区东湖路葫芦冈2 号352101
摘要:
在地应力连续测量方法“渗透率法”的基础上,设计了一种对观测系统进行标定的方法。经对原有推导结果进行数学转换,给出了新的计算公式以及其中有关参数的测定方法。结果表明,经过标定之后,原有的连续相对测量方法可转换为抗干扰性强、灵敏度高、经济简便且物理意义确切的有效正应力连续测量方法。
关键词:  地应力  连续测量方法  标定  渗透率  地下水动力学
DOI:
分类号:
基金项目:
A calibration method for continuous crustal stress monitoring
Cai Zuoxin
Ningde Seismic Station,Earthquake Administration of Fujian Province,Ningde 352101,Fujian,China
Abstract:
On the basis of rock mechanics and groundwater dynamics,we have previously reported a “permeability method”to measure relative changes of the aquifer crustal stress. Herein,we report the new development of the permeability method for continuously monitoring the absolute crustal stress. We provide a new approach to calibrate the experimental system so that the previously measured stress change can be converted to absolute values of the crustal stress. It is physically evident that the new method allows continuously monitoring absolute values of crustal stress. It is also highly sensitive and can be easily constructed.
Key words:  Crustal stress  Continuous monitoring  Calibration  Permeability  Groundwater kinetics