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转动破坏
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  rotational failure
     in rotational failure mode,the passive earth pressure agrees well with that of Chen(1975)and Sokolovskii(1956).
     对于土体转动破坏情况,土压力的大小与Sokolovskii(1956)和Chen(1975)的结果比较吻合。
短句来源
     In this paper,the formula of calculating the factor of safety and the geometric and mechanical conditions of rotational failure of traditional wedge have been derived bv the method of vector analysis.
     依矢量分析原理推导了三维楔形体转动破坏的力学条件和几何条件及其稳定系数的计算公式.
短句来源
  “转动破坏”译为未确定词的双语例句
     Analysis of Stability of the Rotational Failure of Tridimentional Wedge
     三维楔形体转动破坏的稳定分析
短句来源
     The stability evaluation of soil nailed walls using rotational computational models and without considering its space effect on design scheme, sometimes results in confliction between calculation results and its actual status during practice.
     在实际工程中,土钉墙稳定性评估一般采用转动破坏模式,且不考虑其空间效应对设计方案的影响,其结果是有时得到的结论与实际状况不相符合。
短句来源
  相似匹配句对
     Analysis of Stability of the Rotational Failure of Tridimentional Wedge
     三维楔形体转动破坏的稳定分析
短句来源
     Spinning propellers
     “转动”的螺旋桨
短句来源
     bone destrction in middle ear;
     骨质破坏;
短句来源
     The Periphery Length of a Rotating Disk
     转动圆盘的周长
短句来源
     A failure criterion of loess
     黄土的破坏条件
短句来源
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  rotational failure
Large-scale in situ rotational failure on a low-angle delta slope: The Foreslope Hills, Fraser Delta, British Columbia, Canada
      
Stratification within each block generally dips landward, indicating rotational failure.
      
Figure 8-2 A complex rotational failure at a Texas landfill.
      


In this paper,the formula of calculating the factor of safety and the geometric and mechanical conditions of rotational failure of traditional wedge have been derived bv the method of vector analysis.

依矢量分析原理推导了三维楔形体转动破坏的力学条件和几何条件及其稳定系数的计算公式.

The safety degree and failure types of the Meihua arch dam with peripheral joints in Fujian Province were analyzed and modeled The results showed that the actual water depth allowance of Meihua arch dam with peripheral joints is only 20.8 m and the dam was in overload state before its breach. Under the action of load, the upper slide of bank section of the dam caused the up lift of riverbed dam section, which is not favorable to the integrity stability of arch dam with peripheral joints. The model showed that...

The safety degree and failure types of the Meihua arch dam with peripheral joints in Fujian Province were analyzed and modeled The results showed that the actual water depth allowance of Meihua arch dam with peripheral joints is only 20.8 m and the dam was in overload state before its breach. Under the action of load, the upper slide of bank section of the dam caused the up lift of riverbed dam section, which is not favorable to the integrity stability of arch dam with peripheral joints. The model showed that its failure started from the bank slope with peripheral joint and the dam lower position and then the middle position and abutment of dam. Finally the dam body was destroyed wholly under the action of reservoir water, which is tally with the actual failure

对福建梅花周边缝拱坝安全度和破坏形式进行分析和模拟 ,表明该坝实际容许水深只有 2 0 8m ,溃坝前一直处于超载状态。大坝在水荷载作用下 ,岸坡坝段上滑引起河床坝段上抬 ,温升作用增加了上抬值 ,这种上抬对周边缝拱坝的整体稳定是不利的。破坏时先是周边缝岸坡部分和下部拉坏和剪坏 ,然后拱坝中部出现上抬破坏和坝肩发生剪切破坏 ,最终在库水作用下左、右坝体发生沿缝面的滑移和绕坝肩的转动破坏 ,此与实际破坏形式较为一致

As a typical geologic disaster in the Three Gorges Reservoir,unstable rock is classified into falling unstable rock,sliding unstable rock and toppling unstable rock in view of unstable modes.Shear fracture along controlling fissure is the failure mechanism for falling unstable rock and sliding unstable rock,while tension fracture is that for toppling unstable rock around turning point.It is proved in much practice that support is the best measure when some conditions are satisfied, especially for falling unstable...

As a typical geologic disaster in the Three Gorges Reservoir,unstable rock is classified into falling unstable rock,sliding unstable rock and toppling unstable rock in view of unstable modes.Shear fracture along controlling fissure is the failure mechanism for falling unstable rock and sliding unstable rock,while tension fracture is that for toppling unstable rock around turning point.It is proved in much practice that support is the best measure when some conditions are satisfied, especially for falling unstable rock and toppling unstable rock.Loads acting on unstable rock mass can be divided into self-weight,fissure pressure in controling fissure and earthquake forces,and three are three load combinations.Based on the allowable bearing capacity of support mass and equilibrium theory of unstable rock mass, the authors have established calculation method for support to falling unstable rock and for support-anchorage union to toppling unstable rock. These methods can calculate geometrical dimensions of support and anchorage pile or rope numbers.The proposed methods have been successfully applied in hundreds of unstable rocks in the Three Gorges reservoir for two years. All the methods in the paper are adopted by “The Design Technique Standard of Landslide, Bank Collapse, Unstable Rock in Chongqing City (the Three Gorges Reservoir)”.They are valuable for controlling unstable rock disasters in the Three Gorges Reservoir.

危岩是三峡库区典型的地质灾害类型之一 ,根据失稳类型本文将危岩分为坠落式危岩、滑塌式危岩和倾倒式危岩三类。其中坠落式危岩和滑塌式危岩的破坏机理主要属于危岩体沿着主控裂隙面剪切破坏 ,而倾倒式危岩则主要属于危岩体围绕基部倾覆点拉裂转动破坏。实践表明 ,具有支撑条件时 ,支撑是极其有效的技术类型 ,尤其对坠落式危岩和倾倒式危岩更为适用。作用在危岩体上的荷载主要有自重、裂隙水压力和地震力 ,可构成三种荷载组合。基于支撑体的容许承载力及危岩体的极限平衡理论 ,本文建立了坠落式危岩的支撑计算方法 ,建立了倾倒式危岩的支撑 -锚固联合计算方法 ,量化了支撑体尺寸 ,获得了倾倒式危岩所需的锚杆 (索 )数量。文中所提出的危岩支撑计算方法两年来已经在三峡库区的数百个危岩体治理中得到成功应用 ,并被录入《重庆市(三峡库区 )滑坡、塌岸、危岩防治工程设计技术规范》中 ,用于指导三峡库区重庆境内的危岩防治工程。

 
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