Focusing on the problems of permeability measurement of in-service concrete structure,an indoor test system of relative permeability coefficient K_e of concrete was established,and electrical resistance-permeating time experiments for concrete were conducted.
针对在役混凝土结构抗渗性测定问题,建立注水电测混凝土相对渗透系数室内实验系统,进行了注水孔压力渗水条件下混凝土电阻随渗透时间变化关系试验,并借助达西定律推导出注水电测相对渗透系数Ke的计算式。
With the increase of the pouring intervals,its relative permeability coefficient and average permeability coefficient increase rapidly.
结果表明:混凝土冷缝的抗渗性比本体混凝土的要差;混凝土浇筑时间间隔对冷缝的抗渗性影响很大,随着浇筑时间间隔的增加,其相对渗透系数与平均渗透系数急剧增大。
This paper presents the experiment results of compressive strength and permeability of ordinary hydraulic concrete,and studies the variations of relative permeability coefficient,chlorion diffusion coefficient,gas diffusion coefficient and porosity with water-to-cement ratio.
通过普通水工混凝土的抗压强度和渗透性试验,对混凝土的相对渗透系数、氯离子扩散系数和气体扩散系数及孔隙率随不同水灰比的变化规律进行了研究。
Discussion on algorithm of permeability coefficient in hydrous layer by using logging parameter of apparent resistivity;
利用视电阻率测井参数计算含水层渗透系数的探讨
Research on permeability coefficient of filter cake composed of quinoline insoluble particles;
喹啉不溶物滤饼的渗透系数研究
Study on the permeability coefficient of ammonia through hollow fiber supported liquid membrane;
氨在中空纤维支撑液膜内的渗透系数
Predicting coefficient of permeability from soil-water characteristic curve for Shanghai soft soil;
由土–水特征曲线预测上海非饱和软土渗透系数
To mensurate the coefficient of permeability of sand and grit stratum by measuring the velocity of the liquid in the holee;
流量测井法测定砂砾层的渗透系数
Contrast and analyses of three ways used to determine the coefficient of permeability of a thick and deep cover——Exemplified by a thick and deep cover in the Xiabandi reservoir dam site in Xinjiang;
深厚覆盖层渗透系数三种测定方法的对比分析——以新疆下坂地水库坝址覆盖层为例
Impacts of the spatial variation of hydraulic conductivity on the transport fate of contaminant plume;
渗透系数的空间变异性对污染物运移的影响研究
Research on hydraulic conductivity test of compacted municipal solid waste;
城市生活垃圾渗透系数测试研究
Relationship between hydraulic conductivity and diffusion coefficient of clay liner;
粘土衬垫中渗透系数与扩散系数的关系
Investigate of the Internal Friction Angle and the Permeability of Quartz Sand for EPC Process;
消失模用石英砂的内摩擦角与渗透系数的研究
Application of generalized Bayesian method to stochastic analysis of fissured rock permeability coefficient;
广义Bayes法在裂隙岩体渗透系数随机反演中的应用
An analytical method for prediction of the water permeability of hardened cement paste;
硬化水泥石水渗透系数预测的解析法
The variation of the seepage coefficient with time during the test is also presented.
用取自京郊某垃圾堆填场的垃圾土样进行渗透试验,比较不同密度情况下渗透系数的差别。
Through the contrast test, the seepage coefficient from this method has the very good relevance to the conventional pumping test.
通过对比试验,该方法所测得渗透系数与常规抽水试验渗透系数数值有很好的相关性。
Therefore,it is necessary to study the influences of saturation manners and mudstone content on seepage coefficient of rockfill.
因此有必要探讨饱和方式和泥岩含量对堆石料渗透系数的影响。
Adit Sonic Wave Hole Seepage Test to Determine Rock Permeablity Coefficient
平硐声波孔渗水试验确定岩体渗透系数
Experimental Research on the Hydraulic Conductivity and the Water-air Flow in a Sand Column;
砂柱中渗透系数及水气运移试验研究
Application of iterative method forevaluation of permeability coefficient of phreatic aquifer;
运用迭代法推求潜水含水层渗透系数
Study on Measuring Method of Permeability by Using Storage-variable Transient Pulse Method
变容压力脉冲渗透系数测量方法研究
Permeability Coefficient Sensitivity Analysis in Earth Dam of Yanshan Reservoir
燕山水库土石坝渗透系数敏感性分析
Effects of Unsaturated Loess Permeability Coefficient by its Strength
非饱和黄土渗透系数对其强度的影响
In-situ Vertical Hydraulic Conductivity Test for Qigainao Lake
乞盖淖湖湖床垂向渗透系数试验研究
Isopiestic Osmotic Coefficients and Activity Coefficients of Sodium Benzenesulfonates
一些苯磺酸钠盐的等压渗透系数和活度系数
Calculation of aquifer hydraulic conductivity using CFCs age-dating data in the Jingsheng Basin
利用CFCs定年数据计算静升盆地含水层渗透系数
The heat transfixion will be increased remarkably if the permeability coefficient ratio is too small.
过小的渗透系数比显著加快系统的热贯通。
Theories for in-situ testing of pore pressure and permeability by IFCO BAT system and its applications;
IFCO BAT系统测试地基孔压及原位渗透系数
Research on relationship between permeability coefficient and consolidation stress of normal consolidation clay
正常固结软土渗透系数与固结应力关系研究
Approximate Calculation of Relationship between Discharge and Seepage Coefficient in Pressurized-water Test of Cut-off Wall
防渗墙钻孔压水流量与渗透系数关系的近似计算
Effect of Spatial Correlation of Permeability Coefficient on Statistics of Seepage Field
渗透系数空间相关性对渗流场统计特征影响分析
The permeability of saline soils is studied in laboratory.
对含盐土的渗透系数进行了室内试验研究。
ANALYSIS OF PERMEABILITY COEFFICIENTS OF DANGEROUS ZONES OF GUANYINHE EARTH DAM
观音河水库病险坝坝体土渗透系数的分析确定
Determination of Penetration Parameters of a Bank or Dam Foundation with Sensitivity Analyzing Method
确定堤坝工程地基渗透系数的敏感分析法
Scale Effects and Sequential Indicator Simulation of Hydraulic Conductivity in Basalt;
玄武岩渗透系数尺度效应及顺序指示模拟