According to different types of constructions, the concrete methods of rock blasting technology of pipe pushing are discussed.
针对不同的工程类型，探讨顶管穿越石方爆破的具体方法。
The mechanics character of wall rock distinctly affects suffered force and distortion of pipe liner structure.
围岩的力学性质对管片衬砌结构的受力和变形有较大的影响。
Describes the methods of reinforcing roof of the plank and surrounding rock by using pipe-burying filling, to mak them as a whole, so as to go-through the caving zone safely and smoothly.
详细介绍了采用埋管注浆方法充填加固冒落段巷道顶板及围岩，使之胶结成为整体，从而安全顺利地通过该冒落带的施工技术。
He lit his pipe and leaned against a rock.
他燃起烟斗，身子靠着岩石。
The shed-pipe advanced support that passes through soft cracked rock mass in tunnel construction is an effective pre-supporting method.
超前管棚支护是隧道施工中穿越软弱破碎围岩的一种有效的预支护方法。
The bored cast in place concrete piles embedded in rock were used in the main structure. The post grouting prestressed pipe piles adopted in the design were the first time applied in the karst area.
航站楼的主体结构采用嵌岩冲孔桩，设计中采用的后压浆预应力管桩是首次在岩溶地区应用。
This paper summarizes and concludes on the mineral alteration features of explosive pipe breccia in rock-mass of Jiuquling on the basis of field works and taking mineral-deposits as examples.
本文在野外工作的基础上，以矿床为实例，对九曲岭岩体爆破角砾岩筒矿化蚀变特征，进行归纳和总结。
The rock body was formed in several stages and seen as pipe and sill.
岩体是多期形成的，呈岩筒、岩床产出。
Cement injection of perforating holes in a frozen pipe is a wholly new technology for consolidating shaft wall rock and stopping water of frozen shafts in coal mines.
冻结管射孔注浆是在对石油输油井射孔技术和地面注浆技术进行研究的基础上，开发出的一种用于煤矿冻结井筒围岩加固和堵水的全新技术。
The bored cast in place concrete piles embedded in rock were used in the main structure. The post grouting prestressed pipe piles adopted in the design were the f...
航站楼的主体结构采用嵌岩冲孔桩，设计中采用的后压浆预应力管桩是首次在岩溶地区应用。
The mass and velocity of rock-fall are the primary factors influencing the maximal soil pressure on pipe surface.
落体速度相同时，落体质量对管道变形的影响比冲击作用面积更显著；
The mass and velocity of rock-fall are the primary factors influencing the maximal soil pressure on pipe surface.
落体速度相同时，落体质量对管道变形的影响比冲击作用面积更显著；
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