查询词典 dam

In this paper rigid block limitting equilibrium method is used to calculated Xiluodu arch dam abutment stability and the abutment stability is analysed and assessed.

采用刚体极限平衡法对溪洛渡拱坝坝肩稳定进行了全面计算，对坝肩稳定进行了分析评价。

Firstly, the basic theory of three-dimensional automatic identification method and elastic-viscoplastic Block Element Method for rock masses, in which the deformations of block elements are not taken into account, are introduced, as well as their application to the stability analysis of Xiaowan high arch dam abutment and rock foundation.

首先，介绍了三维岩石块体系统的自动识别方法和不考虑块体单元本身变形的三维弹粘塑性块体单元法基本理论，及其在小湾高拱坝坝肩和坝基岩体稳定分析中的应用结果。

Study on Three-dimension Seepage and Abutment Stability of Jinping High Arch Dam;2. This paper deals with the application of finite element method in the study of seepage field of sluice foundation.

应用有限元法对闸基渗流场进行计算，在计算过程中考虑排水效果和泥沙淤积的影响，得出渗流场的数值解，进而计算静水池的浮托稳定性，最后可确定静水池浮托稳定条件下的安全运用水头。

Moreover, based on routine research method on abutment stability, non-linear finite element shear strengthes reducing by step iteration method is put forward in this paper, which is also applied in the analysis of abutment stability of Tengzigou arch dam successfully.

在此基础上，介绍了非线性有限元强度折减迭代解法，探讨了复杂地基上拱坝整体稳定安全度的评价方法，并应用于藤子沟拱坝稳定安全度评价。

Based on it, the reliability of the arch dam gravity abutment is analyzed, and the corresponding reliability index β is calculated, meanwhile, the influence of the distribution types, cut-tail and correlation of the stochastic variable on the reliability is discussed.

同时讨论了随机变量的分布类型、截尾情况以及相关关系对可靠指标的影响。

At first FEM is used to calculate the deformation of the right abutment of the Danjiang arch dam; and the influence of the fault F1 on the deformation of the abutment is analyzed emphatically.

用有限元计算了单江拱坝右坝肩岩体的变形，着重分析了断层 F1 对于坝肩岩体变形的影响。

Based on the stochastic finite element method,the reliability of the arch dam abutment stability against sliding is analyzed,and the corresponding reliability index is calculated.

这种分析方法在建筑设计中已逐步推广，但由于水工结构设计具有某些复杂性，这种分析方法至今尚未得到广泛采用。

A finite element iteration method of safety factor against sliding of the abutment is presented to study the stability of Shuanghe arch dam abutment ,and the safety factor against sliding of the abutment is obtained.

采用坝肩抗滑稳定安全系数的有限元迭代法，通过三维有限元计算，研究了双河拱坝坝肩岩体的稳定性，得到坝肩岩体的抗剪安全系数，在此基础上，进一步分析加固后的坝肩稳定性。

The methods introduced above are applied to the stability analysis of the Xiaowan high arch dam abutment and rock foundation. Thus, the deformation characteristics of the rock masses and the safety factors of the block combinations are obtained, which provide important data to the engineering design.

运用上述方法对小湾高拱坝的坝肩和坝基岩体进行了稳定分析，得到了正常工况下坝肩和坝基岩体的变形规律，以及各滑动岩块组合的强度储备安全系数，从而为工程设计提供了依据。

Secondly, the preliminary models of grouting and drainage curtains, and the boundary pre-adjustment method are presented to further perfect the network seepage flow analysis method of rock masses. Then they are applied to the network seepage flow analysis of the Xiaowan high arch dam abutment and rock foundation in various cases.

其次，提出了工程中防渗帷幕和排水孔幕的数值模拟方法，以及岩体网络渗流分析的边界预调整法，进一步完善了工程岩体的渗流分析方法，并将其应用于小湾高拱坝多种工况下的坝肩和坝基岩体网络渗流分析。

Breath, muscle contraction of the buttocks; arch body, as far as possible to hold his head, right leg straight towards the ceiling (peg-leg knee in order to avoid muscle tension).

呼气，收缩臀部肌肉；拱起身体，尽量抬起头来，右腿伸直朝向天花板（膝微屈，以避免肌肉紧张）。

The cost of moving grain food products was unchanged from May, but year over year are up 8%.

粮食产品的运输费用与5月份相比没有变化，但却比去年同期高8％。