1) borehole stress and strain
钻孔应力应变
2) borehole strain
钻孔应变
1.
Using borehole strain data to forecast the Yanjin M5.1 Earthquake,Yunnan Province,on 22 July 2006;
使用钻孔应变测值预测2006年7月22日云南盐津5.1级地震
2.
We also discovered at various borehole strain-meter stations tidal response(tidal factor) are separate and have orderly anisotropy.
中国数字地震观测网络"十五"计划期间,在全国布设约40台我国自主研发的YRY-4型分量式钻孔应变仪。
3.
Since the setup of the high precision borehole strain at Wushi station in 1984,9 groups of earthquakes of magnitude 6 and above,16 times in all,have occurred within the range of 300 kilometers around Wushi station.
自1984年乌什架设高精度钻孔应变以来,乌什300km内发生了9组共16次6级地震,在这些地震前应变仪器记录到了异常。
3) bore hole strain
钻孔应变
1.
For this reason,in this paper the bore hole strain seismograph is calibrated with the result from harmonically fitting or with the displacement measured by pendulum,then the stress corresponding coefficient of the bore hole strain can be derived and the resolution of wave eguation can be substituted approximately by the resolutio.
由于钻孔内外的介质模型的力学性能不能测定 ,不能用波动方程来解钻孔应变地震波。
2.
The scale value, which is converted from the bore hole strain, by nse of the observed values in tidal frequency band of the bore hole strain and the elastic coefficients of the bore hole corescan can be used for coverting non tidal variation of the bore hole strain into variation of the non tidal stress of the same stratum.
利用钻孔应变观测值中潮汐频段部分和钻孔岩芯的弹性系数 ,将钻孔应变换算为地层应力的格值 ,用此格值可将钻孔应变的非潮汐变化换算成该地地层的非潮汐应力变化。
6) borehole strainmeter
钻孔应变计
补充资料：钻孔应变计
钻孔应变计
borehole strainmeter
『、._.‘_声丙始脂柱空心环氧树脂管甲絮鑫寡爵黔巍气 \\\._\_磁1~ 粘结剂出口铅针孔应变片检验丝 三轴空腔包体式应变计zuankong yingblanjl钻孔应变计(borehole strainmeter)一种由能量测应变的元件组成的传感器。使用时把它安装在钻孔中，通过应变测量求得绝对应力或相对应力。根据应变花粘贴的部位或测试的部位不同，钻孔应变计分为孔底应变计、孔壁应变计和孔径应变计。孔底应变计粘贴在磨平的钻孔底部，通过应力解除法确定原岩应力场。孔壁应变计通过应力解除测量孔壁表面应变的变化来计算应力。 中国矿山一般应用的钻孔应变计有CJS一1型三向 应变计和KX一81型包体式应变计(见图)等。 孔径应变计可适用于恶劣的现场条件，可靠性较好。但它不能在单孔中求解全应力，需要三孔交汇才能确定三维应力状态。 (曾宪启)
说明：补充资料仅用于学习参考，请勿用于其它任何用途。
参考词条