dam body

The traditional test method of digging cavity to determine the apparent density of the dam body of grouted rubble gravity dams is a difficult operation way and it has some error.

按传统挖坑试验方法确定大坝砌体容重往往操作困难且有一定误差。

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But after dam body opened, weakened the spot structure integrity. The orifice surroundings will produce easily disadvantageous concentrated stress or bigger tensile stress, and crack at corner and edge of orifice.

但坝身开孔后削弱了该部位结构的整体性，孔口周围易产生不利的应力集中或较高的拉应力，在孔口角缘处，易产生裂缝。

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The multi-arch beam method calculation data opposite less, calculation the speed compare quick, calculation result compare intuitive, easy to used for the dam body optimization design.

拱梁分载法计算数据相对减少，计算速度较快，计算成果较直观，便于用于坝体体形优化设计。

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The results indicate that when earthquake load is calculated with the use of suggested dynamic seismic coefficient figure, seismic force in the dam body decreases, which result in the reduction of slide moment of soil trips and the increase of dam slope safety factor.

结果表明，在使用地震动态分布系数建议图计算地震力时，坝体所受的地震荷载有所减小，导致土体滑动力矩相应减小，安全系数有所增加。

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It is the first time in Shanxi Province to atop clay-concrete antiseepage wall for reinforce of dam body and foundation, so as to fit deformation of dam body and foundation and to defend the earthquake destruction.

米家寨水库在我省首次采用黏土混凝土防渗墙对坝体及坝基进行防渗加固处理，以便适应米家寨水库坝基、坝体变形和抵御地震破坏。

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For high rockfill dams, the grain crushing in high stress field may raise the deformation rate of dam body and should be considered in numerical calculation.

对于高堆石坝而言，在高应力场作用下堆石颗粒将明显破碎，从而导致坝体变形率增加，因此，在高坝数值计算中必须考虑颗粒破碎的影响。

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The universal software for a dam system planning and designing is programmed with BASIC language, it can be used to design a dam body, drainage works and spillway for silt arrester of less than 50m high and small reservoir.

用BASIC语言编程的坝系规划设计通用软件已被研制。它能用于坝高小于50m的淤地坝和小型水库的坝体、放水设施和溢洪道设计。

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Aging of earth dams is universal appearance of objective reality. Its process of development is that the dam body firstly shows weak stress region, then tensile region and finally shows cracks.

土坝老化是客观存在的普遍现象，其发展过程是：坝体出现弱应力区→出现受拉区→出现裂缝。

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The influence of water temperature variation on thermal load on dam body.

库水温度变化对坝体温度荷载的影响。

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The dam body is mainly made up of dam shell, antiseepage, drainage, and protection slope.

土石坝坝体主要由坝壳、防渗体、排水设备、护坡等组成。

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Therefore, both backwater by ice dam and ice dam body are called ice dam.

故也有将冰坝壅水与冰坝体统称为冰坝.

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In order to simulate the construction processes and reveal the stress and deformation processes of the dam body and slope, the application of arch dam thrust is employed based on the states of excavation, unloading and reinforcement that have already been completed;

为更好地模拟施工过程，反映坡体和坝体的应力和变形过程，在边坡开挖、卸荷、加固工况计算已完成的基础上进行坝体推力施加的分析；

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Using the circular arc Swedish method in tailing pond dam body stability analysis, the paper establishes the computation geometry model, calculates the dam body safety coefficient.

运用圆弧条分法对尾矿库坝体稳定性进行了分析，建立了计算几何模型，计算出坝体安全性系数。

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It researches the influence of temperature load on dam body and suggests some measures to control temperature stress.

研究温度荷载对坝体应力的影响，建议采取一定的温度控制措施，限制坝体温度应力。

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The computation of the dam body stability is an important content in a tailing pond safety assessment.

坝体稳定性计算是尾矿库安全评价中的一项重要内容。

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In order to efficiently solve the problem of the reverse water pressure, the engineer had adopted the measure that self-running reverse drainage system was set up in the dam body and it resulted in seepage flow can freely drain to a collecting tank in upstream of the plinth.

为此，采取在坝体内设置自流式反向排水系统自由排水至趾板上游集水坑等措施，有效的解决了施工期坝体内水流产生反向水压的问题。

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The thermal parameters during the construction period of RCC dam were counter-performed on the basis of certain RCC dam body temperature observation data, and the experimental results show that the method is fit for solving such complicated non-linear problems, and has a better stability and convergence.

根据某碾压混凝土坝坝体温度观测资料，对碾压混凝土坝施工期热学参数进行反演，结果表明此法适用于解决这类复杂非线性问题，具有较好的稳定性和收敛性。

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Because of the development of construction of high arch dams in China and thinner dam body with the use of optimum design, local regions of arch dams approach thin shell structure, which will lead to structural buckling.

由于我国高拱坝建设的兴起，以及拱坝体形优化设计使坝体的厚度更薄，拱坝部分区域已接近薄壳结构，可能导致坝体结构失稳的发生。

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A quantitative analysis with a mathematical prediction model indicates that the factors influencing the dam body strain in the vertical direction are mainly the deadweight of the dam body, and secondly the water level, and the time effect and temperature factor are insignificant.

预测数学模型的定量分解结果认为，影响坝体垂直向应变的主要因素是坝体自重，其次是水位，时效及温度对坝体影响较小。

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As an example, the approach is applied to the overfall segment 23~# of a gravity dam and the elastic modules of dam body and the deformation modules of dam foundation are inverted.

结合某重力坝23溢流坝段的安全监测资料，利用该方法反演得到了该大坝坝体弹性模量和坝基变形模量。

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Calculation of Volume of Dam Body of a Silt-arrester

淤地坝坝体体积的计算

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The method of core boring in dam body for physical mechanics test and the water pressure test in borehole is the comprehensive method of evaluating the RCC quality.

在坝体钻孔取样进行物理力学测试和进行钻孔压水试验是评定碾压混凝土质量的综合方法。

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We will have Darcy law application to continuity equation to stabilize the normally basic differential equation of the influent fields, for quality isotropy dam body, above-mentioned equation is famous Laplace equation;

基于Darcy渗流定律及质量守恒原理对渗流场进行了理论分析，研究了稳定渗流连续性方程，建立了稳定渗流的一般基本微分方程，对于均质各向同性坝体，上述方程变为著名的拉普拉斯方程。

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Currently, there are many problems in crossfeed testing of 54 ° three component geophone. Behavior and decision method of crossfeed surface between concrete dam body and foundation

针对目前国内外54°三分量检波器串扰测试方法存在的许多问题，着重介绍了三分量检波器测试方法。混凝土坝与坝基互馈面及其确定

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Therefore the proper plan of the filling of dam body and the arrangement of access roads to dam crest are the key problems to ensure the strength of construction.

因此，合理的坝体填筑规划及上坝道路布置是确保坝体施工的关键技术问题。

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Dam body material and structural pattern play an important role too.

坝体材料及结构型式也起着重要作用.

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It performs a dynamic analysis for the dam body with temporal method so as to research the influence of earthquake on stress in dam-foundation system, and to research dam-foundation-water coupling.

应用时程法，对坝体进行动力分析，研究地震效应对坝体-坝基系统的应力影响和坝体-坝基-库水的耦合作用。

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Leakage-prevented materials. Recent years, with the development of the technology of GCL prevented-leakage, its applications are increasing found, the actualization of Wa Imperial Palace zoology water area projection will be the first domestic example applying this technology to dam-body prevented-leakage.

近年来，随着GCL防渗技术的发展，其应用领域也正在不断地扩展，娲皇宫生态水域工程的实施即是国内首次将该技术应用于坝体防渗的先例。

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Afterwards the piping was occurred in its dam body and collapsed in the dam slope. It was decided on site to take the measure of forced discharge by excavating dam body for this emergency. The execution and the construction technique are described in this paper.

某小型水库在遭受强暴雨袭击后，坝体发生管涌，坝坡坍塌，现场决定采取坝体开挖强制放水法消除险情。

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Engineering geophysics is economic, and efficient for seepage detection in dam body.

由此证实工程物探方法是一种经济 、 效的坝体渗漏检测手段.

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