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overburden depth
相关语句
  覆盖层厚度
     Simulation for the Effect of Overburden Depth on Stress Distribution Around Tunnels and Interaction Between Tunnels
     覆盖层厚度对巷道周围应力分布的影响及巷道间相互作用的仿真(英文)
短句来源
  “overburden depth”译为未确定词的双语例句
     Research on Relationship between Critical Entry Width and Overburden Depth in Strongly Weathered Zone
     强风化带回采巷道临界跨度与覆岩厚度的关系
短句来源
     Secondly, the shape and main parameters of station structure on two schemes are analyzed with Load-Structure Mode, for different overburden depth of tunnel and lining thickness, etc.
     采用荷载—结构模式,对四种方案的主体结构的形式和重要参数进行分析研究,分不同的埋深、衬砌结构厚度和拱形结构的拱跨比进行了多组数值计算;
短句来源
     The reliability of seepage prevention system is a key problem for high rockfill dam built on the foundation of large overburden depth.
     在深覆盖层地基上修建高土石坝,其防渗体系的可靠性是一项关键技术问题。
短句来源
  相似匹配句对
     Tunnel classifying in light of depth(i.e thickness of overburden)
     隧道的埋深划分
短句来源
     Speed and depth;
     速度和深度;
短句来源
     The influence of depth of
     经反复考察整机,并研究模板压缩孔深度的影响。
短句来源
     Characters of overburden strata movement of mines and safe mining depth
     矿山覆岩移动特征与安全开采深度
短句来源
     Causes of the Farmers'Overburden and the Countermeasures for It
     农民负担过重的原因与对策分析
短句来源
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  overburden depth
Mean represents the effect of overburden depth averaged across fertilization treatments.
      
A necessary condition for the permanent maintenance of prestress in these methods is adequate strength or adequate overburden depth in the rock.
      


A summary of worldwide qualitative data regarding the behavoir of underground openings during earthquakes is presented, the assembled data base includes two damage types; (1) from shock, (2) from faults breaking the opening. A significant contribution to this study is the development of a correlation between peak acceleration at the ground surface, overburden depth and damage. A predicting and controlling method of damage from the faults intersecting have been presented in this paper.

本文对国内外大量地下工程震害实例进行分析后,着重讨论了地震振动灾害和断层错动灾害对前者给出震害程度与埋深、地震动强度之间的关系,对后者则提出预测方法和工程对策。

A freezing shaft sinking in Chengsilou Mine was in depth of 435 in which is the max. depth in China freezing shaft sinking. The shaft has a total depth of 501. 3m, net diameter of 6. 5m and overburden depth of 374. 5m. The shaft had 44 freezing holes, 6 temperature monitoring and hydrological holes. The freezing capacity of the refrigeration station was 8, 990, 000kj/h. The performances of the excavation and lining had following features: 1. The operation between the freezing, excavation and lining were...

A freezing shaft sinking in Chengsilou Mine was in depth of 435 in which is the max. depth in China freezing shaft sinking. The shaft has a total depth of 501. 3m, net diameter of 6. 5m and overburden depth of 374. 5m. The shaft had 44 freezing holes, 6 temperature monitoring and hydrological holes. The freezing capacity of the refrigeration station was 8, 990, 000kj/h. The performances of the excavation and lining had following features: 1. The operation between the freezing, excavation and lining were closely coordinated with results of less freezing soil over the excavation diameter along the shaft. Therefore the less freezing soil excavated made a condition for a rapid shaft construction. 2. A short sectional construction method was adopted in a combined operarion of excavation and lining which have results in nontemporary shaft support, simple and easy operation, and a safety construction. 3. The downward excavation operation were conducted on the excavated benches. The soil excavated and loaded by laboures with two muck buckets and two hoisting systems. There was a dump truck system at the surface for muck dumping. The max. month rate of excavation and lining was 102. 5m. 4. The external shaft lining was rapidly lined with full sectional metal forms. The inner lining was lined with hydraulic sliding forms. The operation of inner shaft lining was completed with a peritxl of 54 days and a depth of 416m. The average lining completed was 7. 7m/day. The operation of excavation and lining for the shaft were completed not over 12 months. The average month rate of the excavation and lining completed was 37. 3m. This project was honored as an excellent project.

介绍我国最深冻结施工的立井的冻结技术和参数、凿井设备、掘进和砌筑井壁施工技术,工程质量保证措施等经验,取得月进101.2m和平均日套内壁7.7m的快速、优质、安全、低耗的综合经济效益。

Heiquan dam is located in a frigid region of high elevation,75 km upstream from the provincial capital Xining,with an earthquake-resistant standard of intensity Ⅷ.The overburden depth of the foundation is 25~29 m.The dam is one of the high concrete face sand-gravel dams under construction in China.In view of nonuniform distribution,discreteness and erodibility of natural sand and gravel,and their potential of piping failure and losing free drainage capability in the case of a certain hydraulic gradient,in...

Heiquan dam is located in a frigid region of high elevation,75 km upstream from the provincial capital Xining,with an earthquake-resistant standard of intensity Ⅷ.The overburden depth of the foundation is 25~29 m.The dam is one of the high concrete face sand-gravel dams under construction in China.In view of nonuniform distribution,discreteness and erodibility of natural sand and gravel,and their potential of piping failure and losing free drainage capability in the case of a certain hydraulic gradient,in the dam design,not only the faced dam's deformation characteristics have been taken into account for making full use of the high deformation modulus of sand and gravel,but also the dam's stability against seepage has been stressed on,with seepage control put in the first place to ensure the dam's safe operation.These design considerations are different from those for concrete face rockfill dams.In addition,in accordance with topographic and geologic conditions at damsite,concrete blanket is placed on slopes before and after the toe plate,in order to prolong the seepage path.5.8~17-m-high toe walls are constructed in the left dam section and both abutments.In the construction,the left and right dam sections were embanked ahead of schedule before the river closure and special measures were taken for embankment at perimeter joints and interfaces,ensuring the project quality and progress

黑泉坝址地处高海拔严寒地区 ,地震设防烈度 8度 ,坝基覆盖层深 2 5~ 2 9m。坝址下游距省会西宁市仅75km ,是国内在建的以砂砾石为主要筑坝材料的高混凝土面板砂砾石坝之一。设计中针对天然砂砾石分布不均 ,具离散性 ,易受冲蚀 ,在一定水力比降下有可能产生管涌破坏和丧失自由排水能力的特性 ,不仅考虑了面板坝的变形特点 ,充分发挥砂砾石变形模量高的特点 ,还特别注重坝体的抗渗稳定性 ,将渗流控制放在首位 ,以避免抗冲蚀能力差的缺点 ,确保大坝安全运行。这是有别于堆石混凝土面板坝的。另外 ,黑泉工程根据地形地质条件 ,在趾板上游做贴坡混凝土 ,下游做混凝土盖板或喷混凝土 ,以延长渗径 ;在河谷左岸段 ,左右坝肩做了高5 .8~ 17m的高趾墙 ,在坝体填筑施工中 ,采取了超前填筑 ,周边与界面填筑 ,坝内设临时“之”字路施工等措施 ,保证了工程质量和进度

 
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