Studies on the evaluation of loosening mechanism of tunnel face by using field measurements

机译：用现场测量研究隧道面松动机理评价研究

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It is quite important to evaluate the stability of tunnel face quickly in order to execute the tunnelling work for economically and safely. To evaluate the tunnel face stability, the field measurements and the tunnel face observations are powerful tooos. In this paper, the displacement measurement of tunnel face was carried out by using the high accuracy Laser Doppler Displacement Meter. And we estimated the modulus of elasticity of the tunnel face using various methods. As a result, the modulus of elasticity estimated by the convergence measurements was smallest value than the others. Because the convergence measurements included the effects of the tunnel face loosening directly. As a result, we could estimate the loosening level of the tunnel face by the displacement velocity.

机译：快速评估隧道面的稳定性是非常重要的，以便在经济和安全地执行隧道工作。为了评估隧道面的稳定性，现场测量和隧道面观测是强大的太多。本文通过使用高精度激光多普勒位移仪进行隧道面的位移测量。并且我们使用各种方法估计了隧道面的弹性模量。结果，由收敛测量估计的弹性模量比其他弹性最小。因为收敛测量包括直接隧道面部松动的效果。结果，我们可以通过位移速度估计隧道面的松动水平。

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《International symposium on field measurements in geomechanics》|1999年||共4页
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A.Sano; M.Shinji; Y.Okabe;
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中图分类地磁学;
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机译：用于半导体制造的等离子体浸没离子注入工艺。用于原位测量的LinearReentrant交叉场放大器，与数值模拟的比较和噪声机制的研究

Studies on the evaluation of loosening mechanism of tunnel face by using field measurements

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