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公用之马,掌子最差。The common horse is worst shod.

结果表明,施工时掌子面稳定性好,工程进展顺利。As a result, the tunnel face was stable during construction and the project progressed smoothly.

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通过实践,这种施工方法对于加固地层,保证掌子面的稳定起到了很好的效果。The practice proves that this method would consolidate the ground and stabilize the working level.

野外掌子面可见珍珠岩与膨润土、隐爆角砾岩、流纹岩共生。The perlite is associated with bentonite, hydrothermal breccia, rhyolite in typical geological sections.

如果不进行预先加固处理,施工时隧道掌子面极易坍塌。Collapse at tunnel face may occur during construction in this kind of ground without advance consolidation.

研究隧道掌子面后方隧道拱顶、掌子面正上方和侧面围岩的爆破振动规律。The blasting vibration rules of arch crown and upper and side surrounding rocks behind tunnel face are studied.

通过对样本库的训练检验,对掌子面前方围岩类别预报取得了满意的效果。By training and check up of the stylebook, it's satisfying to predict the rock masses classification in front of the tunnel face.

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他们经过一位矮小但来势汹汹的公爵。他鞋上有掌子,用来吸引人注意他的存在。两名凶狠的警卫紧紧地跟着他。They pass a tiny but menacing DUKE, who wears taps on his shoes to "enhance" his presence. Two THUG guards follow close behind him.

高频地震反射波法能有效地进行隧道掌子面前方地质预报。The result states clearly that the seismic reflection method of high frequency can effectively apply to geologic prefiguration in tunnel.

因此,测试隧道爆破近区围岩的振动、研究隧道掌子面附近围岩的振动规律是隧道钻爆施工安全的重要保证。So it is necessary to test blasting vibration of the surrounding rock near tunnel blasting source and to study the blasting vibration rule.

埋深比、进尺与掌子面稳定性成负相关关系,但对砂土掌子面破坏规律还需进一步研究。Burial depth ratio and footage have a negative correlation with heading stability. However, failure law of sand tunnel heading needs further study.

但是目前在施工中,探测掌子面前方的水体病害方面,尚是一个待攻克的难题。But there is an unsolved problem in the exploration of unfavorable geologic bodies filled with water in the advanced forecast of geology in runnel.

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正演的结果在隧道掌子面前方地质情况预报起到了实质性的指导作用,同时在管线探测中也提高了解释精度。The result of simulation in GPR tunnel prediction had played a substantive role in guiding, and in pipeline detection has been increased precision.

本文研究了卸载孔及向掌子面注水对煤巷掘进头岩石应力状态的影响。The effect of stress-releasing hole and water injection to the face on rock stress state around gateway driving face has been studied in this paper.

本文以隧道施工开发为背景,致力于研究图形图像处理和模式识别技术在隧道掌子面图像分析中的应用。On the ground of tunnel development, this paper aims at the research of graph and image processing and its application in analyzing tunnel face images.

对地电模型进行数值模拟和对应用实例进行了成像,结果表明成像方法对隧道掌子面前方水体病害预报效果明显。Both results of modeling and survey show that it is effective and successful to use TEM imaging method to explore the unfavorable geology body in tunnel.

比较了掌子面上的崩落、缓冲、光面等不同炮孔爆破、不同分段方式和起爆顺序对邻近隧洞的震动影响。The influences of detonating different holes on a working face, such as reliever, buffer and peripheral holes, on the adjacent tunnel are compared and analyzed.

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通过与实际监测数据的对比分析,研究表明水平旋喷技术有效地起到了对隧道拱部和掌子面超前预加固及控制地表变形的效果。After comparing actual data, the conclusion is that the reinforcement of the the horizontal rotating-jet grout pile were adopted with rather satisfactory results.

隧道反射地震法是利用放置在隧道边墙或者掌子面内的震源和接收器,来预测隧道前方的岩石特性。Tunnel refection seismology employs sources and receivers that are mounted inside the tunnel wall or tunnel face and aims to predict rock properties ahead of the tunnel.

直流电阻率法以其对低阻体反映敏感、分辨率高等优点被引入到隧道掌子面前方含水构造的预报工作中。Due to its high resolution and sensitivity to the low resistivity body, the DC resistivity method is introduced to predict the water-bearing structures in the front of tunnel face.