1) hydrodynamic seepage pressure
渗透动水压力
1.
, hydrostatic seepage pressure and hydrodynamic seepage pressure (seepage body force).
渗流对等效连续岩体的作用力包括渗透静水压力和渗透动水压力 (渗流体积力 )两部分。
2.
The characteristic of seepage through dam body and layers in Longtan roller compacted concrete dam(RCCD)is analyzed, the hydrostatic and hydrodynamic seepage pressures in RCCD and their effects on stress in the dam are also presented.
结合龙滩水电站工程 ,分析碾压混凝土重力坝坝体及碾压层 (缝 )面渗流的特点 ,提出碾压混凝土坝渗流的渗透静水压力和渗透动水压力及其对坝体应力的影响机理 ,采用有限元数值方法计算出渗流场影响下的龙滩坝应力场分布。
2) seepage pressure
渗透水压力
1.
Based on long-term monitoring and analysis of internal horizontal displacement and seepage pressure,it shows that there is shallow slow deformation in slope Ⅰa nd Ⅱo f Hongshibao landslide,which is affected by rainfall;and the deformation is not obvious in deep layer.
通过对红石包滑坡内部水平位移和渗透水压力长期监测分析,表明其中的Ⅰ和Ⅱ号滑坡浅层存在缓慢变形,与降雨关系密切;其深层未见变形。
3) dynamic osmometer
动力渗透压力计
4) hydrostatic seepage pressure
渗透静水压力
1.
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.
岩体中裂隙水流对裂隙壁同时具有法向的渗透静水压力作用和切向的拖曳力(渗透动水压力)作用。
2.
Flow in the fissures of rock mass applies simultaneously the normal hydrostatic seepage pressure and the tangent hauling force(dynamic seepage pressure) on fissure walls.
裂隙水流对裂隙壁同时具有法向渗透静水压力作用和切向的拖曳力 (渗透动水压力 )作用。
5) hydraulic pressure permeability
水压力渗透性
1.
There are capillary pressure permeability,hydraulic pressure permeability,and ion permeability(or concentration difference) on the basis of driving forces of concrete permeability.
根据混凝土渗透性驱动力的种类,将其概念划分为毛细孔压力渗透性、水压力渗透性和浓度差渗透性(或称离子渗透性)三种。
6) Dynamic Osmotic Pressure Method
动态渗透压力法
1.
The lipophilic and hydrophilic properties of anthracite,bauxite ceramic and magnetite particles were studied by using a dynamic osmotic pressure method,which is based on the Washburn equation.
以Washburn方程为原理,用动态渗透压力法研究了无烟煤、铝矾土陶瓷及磁铁矿滤料的亲油亲水润湿性。
补充资料:动水压力
动水压力
hydrodynamic pressure
dongshui yalj动水压力(hydrodynamie pressure)水流方向和速度改变时,对作为水流边界的建筑物表面所产生的力。如溢流重力坝泄水时,水流对溢流坝面及下游辅助消能设备表面均有动水压力。 溢流坝面上的动水压力(图1)可通过水工模型试验测定,也可通过计算近似确定。溢流坝反弧段ed上的动水压强为:图1溢流坝面动水压力计算图尸二一里口-.卫 gr总动水压力的铅直向与水平向分力分别为:尸一梦V(·‘n al+·‘n aZ’、一孚V‘c。·aZ一COS al’以上各式中,a,、aZ为反弧段cd最低点两侧的弧段所对的中心角;汹反弧的半径:r为水的容量;q为单宽流量;g为重力加速度;V为反弧段上的流速。尸:、尸衬可认为作用在反弧段的中点。 辅助消能设备表面的动水压力(图2)很难通过计算确定。根据实验,的动水压强为:┌──┬─────────┐│厂刹│ ││ │、‘t ││ │ 口│└──┼─────────┤ │二 │ │ ,二。_+ │ └─────────┘ 图2消力槛动水压力计算图水流对横断面为正方形的消力槛n‘VZ。_二,、,,。、厂二乌了下万二一又“吧/不一, 乙g式中咨为系数,当槛顶水深为槛高的3一6倍时取以下值:计算作用在槛上、下游面的水平向平均动水压强(两侧的向量和)时,咨一0.6一0.9;计算作用在槛顶面的铅直向平均动水压强时,亡二0.5一0.8。 (周瑾如)
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