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jointed arch
相关语句
  铰结拱
     Jointed arch type RCC arch dam
     碾压混凝土拱坝的铰结拱研究
短句来源
  铰接拱
     Simulation research on support mechanism of bolt combined jointed arch in bedded roof of seam gateway
     煤巷层状顶板锚杆组合铰接拱支护机理数值模拟研究
短句来源
     The discrete element simulation showed the bedded roof of the mining gateway supported with bolts was in a combined jointed arch structure.
     离散元模拟表明锚杆支护回采巷道层状结构顶板形成组合铰接拱结构 ,锚杆支护机理相应称为组合铰接拱作用。
短句来源
  “jointed arch”译为未确定词的双语例句
     Seismic Response Analysis of Jointed Arch Dams
     分缝拱坝的地震响应分析
短句来源
     Calculation of Aseismic Reliability of Jointed Arch Dams
     带横缝拱坝的抗震可靠度计算
短句来源
     Model Test Study and Analysis on the Dynamic Behaviour of Jointed Arch Dams
     分缝拱坝模型动力试验研究和分析
短句来源
     The Simplified Calculation of Aseismic Reliability of Jointed Arch Dams
     分缝拱坝抗震可靠度的简化计算
短句来源
  相似匹配句对
     Seismic Response Analysis of Jointed Arch Dams
     分缝拱坝的地震响应分析
短句来源
     Jointed arch type RCC arch dam
     碾压混凝土拱坝的铰结拱研究
短句来源
     RESEARCH ON ARCH MODEL
     ARCH模型的研究与探讨
短句来源
     ARCH modelling system
     ARCH模型体系
短句来源
     The Jointed Atomic Time Scale
     综合原子时间基准
短句来源
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he simplified calcalation of aseismic reliability of jointed arch dams is studied. The ability to deform of jointed arch dams is taken as the limit state,the limit deformation of thejoint which responses most intensely is selected as the dominant variable. The effect of structure is described by only one variable,i.e.ground acceleration.The correlation between the effect and poak acceleration is established by calculating the largest deformation induced by the peak acceleration,thus the3-D problem...

he simplified calcalation of aseismic reliability of jointed arch dams is studied. The ability to deform of jointed arch dams is taken as the limit state,the limit deformation of thejoint which responses most intensely is selected as the dominant variable. The effect of structure is described by only one variable,i.e.ground acceleration.The correlation between the effect and poak acceleration is established by calculating the largest deformation induced by the peak acceleration,thus the3-D problem is simplified into several 1-D problems. This method is convenient to use in practice.

对分缝拱坝的抗震可靠度的简化计算进行了研究,将拱坝横缝的变形能力考虑为其极限状态,失效的控制变量选用响应最大的接缝的极限变形。结构的效应用地面峰加速度变量来描述,通过缝的最大变形与峰加速度的关系来建立效应与峰加速度之间的关系,从而把一个多维问题简化为几个一维问题,便于工程实际应用。

A new structure of RCC arch dam namely jointed arch is introduced. An expansive concrete plug is established at the upstream side of the central joint of dam. It not only can tranfer the force in the arch under the action of water pressure and not remarkably increase the stress in the dam, but also release the tensile stress caused by the temperature drop during operation of the dam. Consequently, the grouting of transverse joint is not necessary before the impounding of the reservoir. This technology...

A new structure of RCC arch dam namely jointed arch is introduced. An expansive concrete plug is established at the upstream side of the central joint of dam. It not only can tranfer the force in the arch under the action of water pressure and not remarkably increase the stress in the dam, but also release the tensile stress caused by the temperature drop during operation of the dam. Consequently, the grouting of transverse joint is not necessary before the impounding of the reservoir. This technology has been successfully applied to the design of a RCC arch dam higher than 100m built on soft foundation in severe cold area.

本文介绍的碾压混凝土铰结拱式拱坝是在拱坝低温区中缝上设置混凝土塞 ,可以在水压作用下传递拱作用力而不明显增加坝体的应力 ,且能松弛拱坝运行期坝体混凝土温降引起的拉应力 ,可不必等待横缝灌浆即可蓄水 ,从而提前发挥工程效益 .“铰结拱”已成功用于高百米以上、软基、高寒的某碾压混凝土拱坝 ,2 0 0 0年 10月水库已成功蓄水 .

The discrete element simulation showed the bedded roof of the mining gateway supported with bolts was in a combined jointed arch structure. The paper analyzed the side pressure parameter, bolt length, thickness of the rocks and other factors influenced to the stability of the roof. The analysis results showed that the roof were failed when a max horizontal ground stress occurred and the roof were not failed when a min horizontal ground stress occurred. The strike of the gateway parallel to the max main...

The discrete element simulation showed the bedded roof of the mining gateway supported with bolts was in a combined jointed arch structure. The paper analyzed the side pressure parameter, bolt length, thickness of the rocks and other factors influenced to the stability of the roof. The analysis results showed that the roof were failed when a max horizontal ground stress occurred and the roof were not failed when a min horizontal ground stress occurred. The strike of the gateway parallel to the max main stress will be favorable to the stability of the gateway.

离散元模拟表明锚杆支护回采巷道层状结构顶板形成组合铰接拱结构 ,锚杆支护机理相应称为组合铰接拱作用。竖直方向地应力使顶板岩层形成铰接拱结构 ,水平地应力是拱铰压碎的主要力源。分析了侧压力系数、锚杆长度、岩层厚度等因素对顶板稳定性的影响规律 ,表明当最大水平地应力可造成顶板破坏而最小水平地应力不能造成顶板破坏时 ,调整巷道走向与最大主应力平行有利于顶板稳定 ;锚杆长度为巷道跨度的 1/ 2是合适的

 
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