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Study on reliability analysis method in seepage stability of embankment dam is needed for deeply development of dam risk analysis technique, and its key content is confirmation of probability characteristic of basic random variable, foundation of function and calculation of reliability index.

摘要土石坝渗透稳定可靠度分析方法研究，是大坝风险分析技术深入发展的需要，其核心内容是基本变量概率特征的确定、功能函数的建立、可靠指标的计算。

However, what is more important to the bulkhead dam is the magnitude and orientation of the stress and deformation in the dam heel region.

在构筑了挡土坝的条件下32°坡角的排土场边坡是稳定的。

On the basis of seepage analysis, the most dangerous slippery arc slices and safety coefficients of Yanji earth rock-fill dam with clunch core is defined by running the Fortran procedure which use the Sweden circular sliding method. The results which satisfie the request of the standard indicate earth rock-fill dam stable.

在渗流分析的基础上，采用瑞典圆弧滑动方法，利用已有的Fortran程序，确定烟集粘土心墙土石坝的最危险滑弧条分及安全系数，计算得出的结果满足规范的要求，表明坝体是稳定的。

Roller Compacted Concrete dam is a new type dam developed in recent 20 years.

碾压混凝土坝是近20年来发展起来的一种新坝型。

Roller Compacted Concrete Dam is a new type of dam, which has been developed quickly and applied extensively.

碾压混凝土坝是一种近几十年发展快速、应用广泛的新型坝。

Last year a coffer-dam built to protect the main dam during construction was blown up.

去年，一座用于在施工中保护主坝的围堰被炸毁。

Ben - With a better knowledge of the impact of building a dam, are we now in a position where we can predict a bit better what would happen if we were to build a dam or if we were to decommission one?

Ben-既然我们对建设大坝的影响认识得更透彻了，那我们现在是否可以更好地预测建坝和撤坝的影响呢？

Researches on distemper dam failure risk and life loss forecast for dam uncertainty system were carried out.

4研究了病险大坝运行的灰色-随机风险分析方法和生命损失的不确定性分析预测问题。

Concrete rock and earth plate dam of super-short cement is a new type of dam in hydraulic structures.

超贫胶结混凝土土石面板坝是水利工程中的一种新坝型。

In the third part, the theory of thrust angle and unbalanced forces is studied andapplied to Xiluodu arch dam. some conclusions are obtained :(1) The thrust angle issmaller by elaso-plastic computation than elastic computation. For the non-linearcomputation, the thrust angles at different elevations all increase during overloading,which reveals the internal mechanism of good performance of arch dam in conditionof overloading;(2) The elaso-plastic theory always minimizes the actual unbalancedforces in the sense of a condition number in the norm ofcomplementary energy.

第三部分，通过对溪洛渡拱坝拱端推力角及不平衡力的研究，得出如下结论：(1)非线性计算较弹性计算的推力角大；对于非线性计算而言，拱坝超载过程中各高程段的推力角均有所增加，这反映了拱坝具有较高超载能力的内在机制；(2)在总余能范数的意义上，按弹塑性本构关系确定的不平衡力或加固力是最小的，弹塑性计算确定的加固力和真解相比偏于安全。

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％。