• Seepage and seepage-pressure are important factors which influence the stability of dam foundation.

    渗流、渗压影响坝基稳定重要因素

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  • The calculated values of pore pressure taking nonlinear seepage behavior into account are closer to the measured ones.

    考虑渗透非线性情况下得到孔隙压力计算与实测值接近。

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  • The threshold pressure gradient of low permeability sandstone was studied experimentally by measuring the pressure attenuation in an unsteady seepage flow.

    为了研究渗透砂岩启动压力梯度,设计了一种非稳态渗流测量压力的试验方法。

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  • The dependences of seepage velocity and bending strength on agglomerant content, forming pressure, particle diameter of the aggregate, soaking time, firing temperature and so on were discussed.

    分别从外加粘结剂百分数、成型压力骨料粒径保温时间烧成温度因素渗水渗水速度强度的影响进行了探讨。

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  • The experimental results are as follows. The gas seepage velocity of outburst coal samples increase with the increase of gas pressure under fixed axial and confining pressures.

    试验结果表明:轴压固定情况突出瓦斯渗透速度随着瓦斯压力的增大而增大。

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  • The effect of the drain hole on drainage and seepage pressure lowering is quantitatively studied with an engineering example.

    定量地研究了排水孔孔径、深等因素对降低坝基渗透压力排除坝基渗透水流作用

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  • A boundary fitted coordinate Finite Analytical Method (FAM) is described for the numerical solution of steady and unsteady seepage flow with pressure in foundation of sluice and DAMS.

    本文给出一种求解闸坝地基恒定恒定渗流边界拟合坐标有限分析方法

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  • The inner water pressure is applied to the lining block and surrounding rock as physical force, and the coupled analysis model of seepage field and stress field is formed.

    内水压力体力形式作用隧洞衬砌围岩,建立高压隧洞内水外渗流应力场耦合数值分析的计算模型

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  • Based on computation and analysis of seepage field, pore water pressure of inter-slice is defined in the effective stress method.

    有效应力分析方法依据渗流计算分析得到条间孔隙压力

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  • Experiments show that a low permeable reservoir has a starting pressure gradient, and therefore different seepage rule from that of middle and high permeable reservoirs.

    实验表明渗透油藏具有启动压力梯度因此其渗流规律渗透油藏不同

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  • The concept of additional flexibility tensor is introduced to indicate the influence of seepage pressure on the mechanic characteristics of rock mass.

    并提出采用渗透压力附加柔度概念定义渗透压力对岩体力学特性影响

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  • Therefore, it is put forward herein that high seepage pressure exists locally in the rocks when under jet action, and the magnitude of seepage pressure greatly affects the rock cutting results.

    为此提出射流作用岩石局部范围具有较高渗流压力的思路,认为渗流压力大小射流破岩作用有重大影响

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  • The action forces applied on rock mass of equivalent continuum by seepage include two parts, i. e., hydrostatic seepage pressure and hydrodynamic seepage pressure (seepage body force).

    渗流等效连续岩体作用力包括渗透静水压力渗透动水压力(渗流体积)部分

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  • Upon completion of the Housing major test for water pressure, all joints, valves and pipelines connecting Department can have water seepage, leakage phenomenon, and then also for rustproof.

    完工后房主要进行通水试压,所有接头阀门管道连接处都不能渗水漏水现象,而后还要进行防锈处理。

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  • With engineering examples, the influence of seepage pressure on the stability of rock slope is mainly analyzed, as well as the anchoring reinforcement.

    结合工程算例重点分析了渗透压力作用岩体边坡稳定性影响以及锚杆加固作用

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  • This paper discusses how to handle the seepage foundation for dykes, and gives design index concluded from pressure percolation and standard for seepage control.

    探讨堤防透水处理中,采用排渗控应遵循的原则及如何确定相关的设计指标

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  • The variation relations between seepage pressure change, seepage pressure coefficient, and water level of the reservoir are analyzed in detail.

    详细分析坝基系数变化,渗压系数水位关系

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  • The prototype observation items of the Puding RCC arch dam include stress and strain observation, temperature monitoring, observation of joints, crack and seepage pressure.

    大坝的原型观测项目应力应变观测、温度观测、渗流观测、接缝观测和裂缝观测。

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  • The first concrete face and its strengthening face are destroyed by the inverse seepage water pressure on dam foundation.

    大坝期混凝土面板一期面板的补强面板分别遭受坝基渗水压力破坏

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  • Especially in high dam project with high seepage and pore water pressure, the degradation of material properties of concrete affects more evidently.

    特别是渗透孔隙压力作用下,混凝土材料性能劣化现象明显,严重影响工程安全性能。

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  • It shows that the abrupt decline of underground water level is the most disadvantage factor, and the effect of the seepage pressure on the stability of the Huanglashi slope has increasing tendency.

    说明地下水位时,其引起渗透压力最大,且渗透力对黄腊石边坡稳定性的降低作用随时间增大趋势

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  • And the seepage pressure mechanism is the primary mechanism of karst collapse in the center of cone of depression in continual pumping region.

    效应致塌机制多年持续采水区降落漏斗中心部位岩溶塌陷主要力学机制。

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  • It has the advantage of buffering the pressure and water seepage, wear resistant, small volume and easily carrying, which is the intimate companion.

    缓冲缓渗水、防磨损体积小、携带方便笔记本电脑贴心伴侣。

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  • The seepage velocity in peak stress decreases with the increase of confining pressure, and indicates obvious linear relationship.

    峰值渗流速度增加减小呈现较明显的线性关系。

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  • The possibility of a flow failure due to seepage with the redistribution of the excess pore water pressure after liquefaction has been pointed out.

    前人指出液化伴随着孔隙水压重新分配渗透引起流体破坏可能性

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  • Dynamic response of the system of seepage flow in wall rock affected by mining is studied by truncated spectral method, in the system the seepage properties and boundary pressure are variable.

    截断讨论了围岩渗流系统时变渗透特性时变边界条件下动力学响应

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  • A pressure drop model in horizontal well was established on the basis of the analytical solution of an elastic and unsteady seepage flow model in infinite reservoir.

    本文无限大均质地层弹性稳定渗流模型解析基础上,建立地层耦合的水平井筒模型。

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  • Flow through fissures in rock mass applies simultaneously the normal hydrostatic seepage pressure and the tangent hauling force (the dynamic seepage pressure) on fissure walls.

    渗流对裂隙网络岩体作用力包括渗透压力渗透水压力(裂隙切向拖曳)两部分。

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  • The arrangement of instruments and results of monitoring rock-mass seepage pressure in tunnel across Yangtzi River of Chongqing sewerage system are described.

    介绍了重庆排污工程长江隧洞岩体渗透压力监测设备布置情况渗透压力监测结果

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  • In this paper opinions are put forward on the two problems in seepage pressure monitoring for DAMS in regard to its importance.

    论述监测的重要性出发,提出大坝渗压监测两个问题看法

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