1.Based on deepening of cognition to the cavern wall_rock and its structure attribute, the main transformers and step_up substation are laid out in underground cavern in inviting design stage instead of that on the ground_surface.
基于对洞室围岩认识的深化以及围岩所具有的结构属性 ,介绍招标设计阶段将主变及升压站由初设阶段的地面布置方案优化为地下布置方案后的地下厂房洞室布置情况及其主要特点。
2.Under an average inner gas pressure of 6 MPa, which is designed for a salt cavern located at 1000 m to 1340 m depth, the surplus storage capability of the cavern will remain 27?5% of the original capability after 80 designed operation years.
在设计平均天然气内压6MPa条件下,当达到设计使用年限(80a)时,洞室的剩余存储能力仍保有初始存储能力的27 5%。
3.The roof of cavern is regarded as an elastic beam with support at the midpoint and the coal pillars are regarded as bearings so as to establishing a cavern roof-coal pillar system.
摘要将顶板视为中点有支承的弹性固结梁，将煤柱视为支座，形成了顶板－煤柱系统。
4.Taking the hydraulic engineering tunnel in jointed rockmass as an object of study, considering the combination of rockmass structural plane with the cavern arrangement, the paper derives the general formula for the over-excavation block volume calculation By the examination of the cavern top over-excavation block volume calculation for the exploration adit PD6 of a hydraulic engineering tunnel, it assesses the over-excavation block volume and its distribution Thus, it presents a certain basis for the excavation and solidification treatment of that horizontal tunnel
该文以节理岩体中水中隧洞为研究对象 ,考虑岩体结构面与洞室布置的组合 ,推导出超挖块体体积计算的一般公式。 通过某水工隧洞的勘探平洞PD6的洞顶超挖块体的调查 ,评价了超挖块体体积及其分布 ,为该水平隧洞的开挖及其加固处理提供一定的依据
5.2. Values of ground surface settlement during side cavern cutting occupy total settlement values more than 50% in the construction of CRD method;
2.中洞法施工中,侧洞开挖引起的地表沉降占总地表沉降量的50%以上;
6.WATER SEEPAGE CONTROL TECHNIQUE FOR UNDERSEA LPG GAS STORAGE CAVERN
海底液化气储气洞库控制渗漏水技术
7.APPLICATION OF BIG BORE REVERSE-CIRCULATION CORING CABLE DRILLING TO CAVERN OF LIMESTONE
大口径冲击反循环钻进方法在岩溶地层中的应用
8.The cavern walls echoed his cries .
大山洞的四壁回响他的喊叫声。
9.Squeezing through a cleft in the rocks, the potholers arrived at an enormous cavern, the size of a huge concert hall.
他们从岩石缝隙挤过去之后，来到一个大洞窟，其大小相当于一座大的音乐厅。
10.The leftward parallel adit is 30m from the main cavern, 6,129m long , with one section 6.15m×4.5m(net height×net width), 3,642m long the other section 4.5m×4.0m(net height×net width), 2,487m long.
平行导坑距正洞左线30m,长6129m。 断面小:断面为6.15m×4.5m (净高×净宽)共长3642m;
