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- It is a very difficult problem of overbreak in tunnel excavation. 超欠挖一直是隧道開(kāi)挖中遇到的一大難題。
- In this PaPer,a digital simulation was made to the temPerature distribution and variation in country rocks of tunnel excavated 20 years ago. 本文對井巷開(kāi)掘后20年內,圍巖中溫度分布及其變化情況進(jìn)行了數值模擬。
- The tunnel excavation mechanics behavior of the banding rocks was simulated by the ANSYS general finite element computation software. 并用ANSYS通用有限元計算軟件對層狀巖體中隧道開(kāi)挖的力學(xué)行為進(jìn)行了數值模擬。
- Methods of tunnel excavation in unconsolidated formations and the collapse zone treatment are intro-duced according to the formation properties fo exit section of Yangzong No. 針對陽(yáng)宗海一號隧道出口段的地層特點(diǎn)，介紹了在松散土體地層中遂道施工方法的選擇及在施工中出現坍塌的處理方法。
- The surface ground subsidence caused by tunnel excavation is a high nonlinear course of self-organization.It is formed by disordered rock mass self-organization. 摘要隧道開(kāi)挖引起的地面沉陷是由于隧道開(kāi)挖在地下形成空洞，受擾動(dòng)巖體通過(guò)自組織在地面形成的一種損害形式，其形成過(guò)程具有高度非線(xiàn)性。
- Due to the difference in stress paths between the loading and unloading conditions, it is unsuitable to apply mechanical model under loading condition to stability of tunnel excavation. 由于巖體在加載和卸載條件下應力路逕的不同，僅采用加載條件下所建立的力學(xué)模型來(lái)研究隧道的開(kāi)挖穩定性問(wèn)題是不適合的。
- Because of the weak borehole sealing and inadequate use of the initial free face, the higher investment and unsatisfactory blasting effect still exist in the mine tunnel excavation blasting. 由于炮孔堵塞不牢和初始自由面利用不充分,井下平巷的掘進(jìn)開(kāi)挖爆破仍存在投入大、爆破結果欠理想等問(wèn)題。
- They are building a submarine cable tunnel. 他們正在建設一條海底電纜隧道。
- In this paper, based on project excavation of the Wansongling tunnel, the monitoring way and controlling technology of vibration of blasting earthquake wave induced by tunnel excavation were studied. 以萬(wàn)松嶺隧道工程開(kāi)挖為研究對象,對隧道工程開(kāi)挖施工爆破地震波的振動(dòng)監測方法及控制技術(shù)進(jìn)行了研究。
- They are digging through the hill to make a tunnel. 他們正在鑿山建一條隧道。
- The kid dug a tunnel in the sand. 小孩在沙堆里挖了一個(gè)地道。
- The two lanes merge going into the tunnel. 兩條車(chē)道會(huì )合后引入隧道。
- The truck cleared the tunnel safely. 卡車(chē)安全地通過(guò)了隧道。
- He has to stoop to get through the tunnel. 他得彎下腰走過(guò)地道。
- The roar of the train reverberated in the tunnel. 火車(chē)的轟隆聲在隧道里回蕩。
- The prisoner escaped by digging an underground tunnel. 囚犯挖了一條地道逃跑了。
- Baziling Forked Tunnel Excavating Method 八字嶺分岔隧道開(kāi)挖方法
- tunnel excavation and dewatering 隧道開(kāi)挖及疏水
- Crane, Wheel Loader, Dozer,Excavator, Grader. 主營(yíng)業(yè)務(wù)：Construction Machinery.
- The roof of the tunnel caved in (on the workmen). 隧道頂坍塌(壓住工人).
