防渗体

本实用新型涉及一种护岸结构，包括钻孔灌注桩、防渗体、护面板、以及顶部胸墙；

The utility model relates to a bank protection structure , which comprises a bored pile , a anti-seepage body , a protection slab and a top breast wall ;

龙滩碾压混凝土重力坝采用钢筋混凝土面板作为防渗体。

The reinforced concrete face-slab is adopted as impervious body by Long Tan RCC Dam .

RCC重力坝防渗体温度场的三维有限元浮动网格法仿真分析

Impervious Element Temperature Field Simulating Analysis Using Three-Dimensional Finite Element Relocating Mesh Method for RCC Dam

人工衬里（土工织物及HDPE膜等）是城市生活垃圾卫生填埋场场区及垃圾坝工程防渗体的主要材料。

Artificial liners ( earth fabric , HDPE membrane etc. ) are the main materials of the anti - leakage body for the works of urban landfill waste site and refuse dam .

土工膜做浆砌石重力坝防渗体的研究

Applied Research on Geomembrane in Stone Masonry Dams as Impervious Devices

速凝水泥膏浆灌浆技术在水电站土石围堰防渗体工程中的应用

Quick-setting cement plaster grouting technique applied in anti-seepage of earth-rock weir

砾质土做为土石坝防渗体的研究

Study on gravelly soil as impermeable material of earth dam

土石坝防渗体土料的震裂试验研究

Experimental Study on Shocking Crack of Impervious Soil in Earth - Rock Dams

混凝土面板是堆石坝的主要防渗体。

? The Concrete facing is a main imperious structure of rockfill dam .

冰碛土作高土石坝防渗体材料的试验研究

The Study of Glacial till used as Core Meterial for High Rock-Earth Dam

土石坝斜墙复合防渗体应力及稳定分析深厚覆盖层上复合土工膜防渗堆石坝筑坝特性研究

Study of construction behavior of composite geomembrane rockfill dam on thick alluvium deposit

渗流影响下坝体和岩基应力场的分析模型研究土石坝斜墙复合防渗体应力及稳定分析

An Analytical Model for Stress Field of Dam Body and Rock Foundation Under the Action of

软岩风化料高土石坝防渗体的工程特性

Fundamental Properties of Saprolith and Its Engineering Characteristics as Impervious Material for High Earth and Rockfill Dam

土石坝坝体主要由坝壳、防渗体、排水设备、护坡等组成。

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

碾压混凝土坝采用空心模板兼作防渗体方案

A Proposal Concerning the use of Hollow Backfill Concrete Form Works as the Seepage Prevention Wall far Longtan RCC Dam

同时，沥青混凝土防渗体结构简单、工程量较小、施工速度快、有利于缩短工期。

Meanwhile , asphalt concrete impervious structure is simple , small quantities , construction speed , will help shorten the duration .

比较了不同水力条件下渗流作用对基坑土体渗透稳定性的影响，探讨了工程中可能出现的不利因素，特别是防渗体破坏情况对基坑安全造成的危害性。

Some aspects that harm to the project stability are discussed , especially the case under the breakage of waterproof wall .

其中防渗体在上游的称为斜墙坝（面板坝），在坝体中央的称为心墙坝。

Sometimes , the anti-seepage parts are in the dam front facing the upstream , sometimes , they are at the core of the dam .

其次拟定坝的基本尺寸，包括坝坡、坝顶高程、坝顶宽度以及防渗体及排水设备、护坡等的尺寸，使之满足土石坝的工作要求。

Then , you can decide the basic sizes , including those of slope , crest el , crest width , anti-seepage , drainage , protecting slope , and etc.

本文依据实验中所观察到的现象.建议用四个指标估计混凝土坝和土坝接头的抗震性能.第一.用混凝土坝和土坝心墙接触面的动静压力比估计防渗体的松脱程度；

On the basis of the phenomena observed in the experiments , four indices of earthquake resistant characteristics of a junction between concrete dam and earth dam are proposed in this paper .

砾石土因其含砾、粉细砂和粘性土，具有级配宽、不均匀系数大、透水性强等特点，在土石坝防渗体土料和工程防渗墙中得到广泛应用。

Gravelly soils are made up of gravel , cobble , sand and cohesive soils . They have been widely used in engineering applications such as earth-rock dams impervious fillings and stub cutoff walls .

此外，实际工程观测也说明，砌石坝构筑复合土工膜坝面防渗体后，漏水量减少了60%，防渗效果良好。

The measurement of actual works also explained that the use of compound geotextile in rock fill dam surface can reduce the amount of leakage water by 60 % , the effects of imperviousness are obvious .

作为土石坝防渗体的心墙土料，国内外实践中曾经用过残积土、风成土、冰渍土、洪积土、古河川沉积及近代河滩沉积土。

At home and abroad , the native soil , the eolian soil , the moraine , the diluvial soil , the age-old river sediments and the recent river shoal sediments were researched as material core for ECRD .

实践表明，碾压式沥青混凝土心墙与土料防渗体相比，具有防渗性能好、适应应变能力强、工程量小、施工速度快、节省工程造价等特点。

Practice shows that , compared with the impervious soil material , the rolling asphalt concrete core-wall has good performances in seepage control , high adaptability , small work load , rapid construction , and low cost of the project .

对于关键性反滤着重强调在防渗体发生集中渗漏时应不致于产生渗透破坏而危及大坝安全，而对于非关键性反滤则根据不同情况进行适当简化。

For the key filter , concentrated seepage must not endanger the dam . For the non - key filter , simplification is made accordingly . On the Filter The key of system is the life of the filter core .

三轴拉伸试验和周期拉压试验，用于研究静力拉裂和周期加荷拉裂的破坏，在土石坝有限元分析中判别防渗体土料拉裂和震裂的发生与发展。

The triaxial extension test and the cyclic extension compression test are used in the research of soil failure under static tensile crack or cyclic tensile crack conditions to identify the development of tensile crack as well as shock crack in FEM analysis of embankments .

试验研究还认为，只要解决好渗透稳定问题，做好反滤保护，砾质土作心墙防渗体是可行的。

In this article the conclusion was got from some experiments and researches that the crux of the matter is to solve the seepage stability of the soil and it is possible that gravelly soil is made into impervious core with the protection of filter .

采用盐矿真实岩心，对岩心归类并特殊加工，制成防漏、防渗的几何体；

Solid core of salt mine is classified and treated with special method to be produced into leak-free and permeation-free geometrical body .

又通过物理模型实验对该问题做了进一步的研究，建立了土石坝非均质无限深透水地基实验模型，对比验证了采用水平铺盖防渗时不同铺盖体长度与坝前水深的关系。

And have further studies by doing physical model tests on the issue , contrast verification relation of the impervious blanket and upstream water depth when prevention seepage with the horizontal impervious different length blanket .

人工防渗材料坝的防渗体由沥青混凝土、钢筋混凝土或其他人工材料组成，其余部分由土石料筑成。

The anti-seepage parts of dams with artificial anti-seepage materials use asphalt concrete , reinforced concrete or other artifical materials .