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The influences of blasting vibration on the stability of surrounding rocks mass and concrete lining of existed adjacent chambers, or excavating tunnel and the grouted rockbolts are studied and analyzed in the thesis. 本文主要研究爆破振动对邻近地下洞室和本洞围岩稳定性、混凝土衬砌及砂浆锚杆的影响。
Excavating tunnel construction plan analysis for mountain ridge highway tunnel 山岭公路隧道进洞施工方案浅析
In this article, the author introduces some experiences of the construction of a short-range shallow buried covered excavation tunnel which was built in silt stratum with the CRD construction method and others assistant measures to cross a railway. 介绍近距双洞隧道浅埋暗挖采用CRD法施工中利用各种辅助措施在粉砂地层中穿越铁路的施工经验。
They are excavating a tunnel through the hill. 他们在挖一条穿山隧道。
TBM )A tunnel boring machine ( TBM ) is a machine used to excavate tunnels with a circular cross section through a variety of soil and rock strata. 全断面隧道鉆掘机是一种被用来挖掘隧道的机器，他穿越不同的土层及石层用一个圆形的部分穿越。
They are building a submarine cable tunnel. 他们正在建设一条海底电缆隧道。
They are digging through the hill to make a tunnel. 他们正在凿山建一条隧道。
A tool or machine used for digging or excavating. 挖掘器，挖掘机用于挖掘或采掘的工具或机器
The kid dug a tunnel in the sand. 小孩在沙堆里挖了一个地道。
shallow burying and subsurface excavation tunnel 浅埋暗挖隧道
shallowly buried and darkly excavated tunnel 浅埋暗挖隧道
The two lanes merge going into the tunnel. 两条车道会合后引入隧道。
The truck cleared the tunnel safely. 卡车安全地通过了隧道。
He has to stoop to get through the tunnel. 他得弯下腰走过地道。
The roar of the train reverberated in the tunnel. 火车的轰隆声在隧道里回荡。
The prisoner escaped by digging an underground tunnel. 囚犯挖了一条地道逃跑了。
At present, the level of mechanization and automation of tunnel boring machines (TBM) has been improved significantly, and TBMs can be designed to excavate tunnels with different shapes under different geological conditions. 摘要目前，隧道掘进机的机械化及自动化水平得到了很大提高，隧道掘进机可以开挖不同的地质条件下各种形状的隧道。
The roof of the tunnel caved in (on the workmen). 隧道顶坍塌(压住工人).
The roof of the tunnel was supported by wooden props. 坑道顶用木柱支撑。
In a cavern, in a canyon, excavating for mine. 在那山谷里，在那山洞中，挖掘着矿井，