防水帷幕,waterproof curtain
1)waterproof curtain防水帷幕
1.To effectively prevent water invasion,ensuring the safety of foundation pit,the waterproofing techniques of deep agitation,high pressure oscillating spraying and high pressure grouting are applied with excellent result of formingwaterproof curtain.为了有效地进行防水 ,保证基坑安全 ,采用深层搅拌、高压摆喷、高压灌浆防水技术 ,可起到较好的防水帷幕的作
2)waterproof wall防水帷幕
1.A method of high pressure circular jet grouting is recommended to use in the reinforcement of slay bed, which can aid for the digging of big demension anti-slide pile in the weak ground and as awaterproof wall.笔者在文中介绍高压旋喷注浆加固土层并兼作防水帷幕技术与实施,以辅助人工开挖大孔径抗滑桩的顺利安全地实施。
3)impervious curtain防渗帷幕
1.The chemical grouting treatment ofimpervious curtain in full- and strong-weathered rocks under the Permanent Ship Lock for the Three Gorges Project;三峡永久船闸全、强风化岩体防渗帷幕的化灌处理
2.Based on the detection and monitoring of pervious situation of parts of the dam base simpervious curtain and the review of the cementation of dam concrete and rock and the geological conditions of bedrock,the causes of the abnormal pressure are determined,and some suggestions for its treatment are presented.文章对大坝部分坝块坝基防渗帷幕透水等情况进行探查和监测,对大坝坝基混凝土与基岩的胶结情况和基岩的地质情况进行了复查;并依据监测和复查实测资料对坝基扬压力过高现象产生的原因进行分析,提出了相应的处理方案。
3.The main contents of the paper include: the description of fracture system in term of fluid flow analysis, the mathematical model of transient ground water flow in a three dimensional fracture ststem and its finite element solution, the identification of intersections (points and lines) between fractures, the treatment ofimpervious curtain in the finite element model, the.主要内容包括:岩体裂隙系统特征,三维主干裂隙系统非稳定渗流数学模型和有限单元法,交叉点和交叉线识别,防渗帷幕的有限元处理,井流量在裂隙系统中的分配方法,排水管道问题,面状补给作用和面状排泄作用,非线性模型的迭代解法等。
waterproof wall防水帷幕
1.A method of high pressure circular jet grouting is recommended to use in the reinforcement of slay bed, which can aid for the digging of big demension anti-slide pile in the weak ground and as awaterproof wall.笔者在文中介绍高压旋喷注浆加固土层并兼作防水帷幕技术与实施,以辅助人工开挖大孔径抗滑桩的顺利安全地实施。
3)impervious curtain防渗帷幕
1.The chemical grouting treatment ofimpervious curtain in full- and strong-weathered rocks under the Permanent Ship Lock for the Three Gorges Project;三峡永久船闸全、强风化岩体防渗帷幕的化灌处理
2.Based on the detection and monitoring of pervious situation of parts of the dam base simpervious curtain and the review of the cementation of dam concrete and rock and the geological conditions of bedrock,the causes of the abnormal pressure are determined,and some suggestions for its treatment are presented.文章对大坝部分坝块坝基防渗帷幕透水等情况进行探查和监测,对大坝坝基混凝土与基岩的胶结情况和基岩的地质情况进行了复查;并依据监测和复查实测资料对坝基扬压力过高现象产生的原因进行分析,提出了相应的处理方案。
3.The main contents of the paper include: the description of fracture system in term of fluid flow analysis, the mathematical model of transient ground water flow in a three dimensional fracture ststem and its finite element solution, the identification of intersections (points and lines) between fractures, the treatment ofimpervious curtain in the finite element model, the.主要内容包括:岩体裂隙系统特征,三维主干裂隙系统非稳定渗流数学模型和有限单元法,交叉点和交叉线识别,防渗帷幕的有限元处理,井流量在裂隙系统中的分配方法,排水管道问题,面状补给作用和面状排泄作用,非线性模型的迭代解法等。
4)anti-seepage curtain防渗帷幕
1.Deep mixing pile continuous wall including many advantages such as retaining,water stop,high construction efficiency and low cost,is a common foundation pit supporting method asanti-seepage curtain under complex geological condition.深层搅拌桩连续墙是一种专门用于复杂地质条件下,作为防渗帷幕施工的常用基坑支护方法,具有挡土、止水作用,成墙效果好,施工工效高,造价低等优点。
2.Based on the results,the effect ofanti-seepage curtain site to be built is numerical predicted by FEFLOW.在此基础上,对拟修建的防渗帷幕的防渗效果进行了数值预测,分析了防渗帷幕对拦截北帮地下水的效果。
5)impermeable curtain防渗帷幕
1.4m of the dam,and connecting grouting is conducted so that the concrete plate and the existing impermeable core could form a newimpermeable curtain.为不影响原水库在施工过程中对下游的灌溉和供水功能 ,设计采用在原老坝上游面高程 185 4m的灌浆平台砌体上修建砼防渗面板 ,并和原坝防渗心墙基础的防渗帷幕进行联接灌浆 ,使之形成新的防渗帷幕 ,同时对原灌浆平台的砼浆砌石体进行加固和防渗灌浆 ,从而加快了工程进度 ,节省了投资 ,对整个大坝扩建工程的提前完成起到了重要作用 。
6)seepage proof curtain防渗帷幕
1.Scheme study onseepage proof curtain under a crossing-dyke sluice;穿堤涵闸防渗帷幕的方案研究
2.This paper discusses the application and effect of chemical grouting inseepage proof curtain of interception-pollutant dam of Weihai waste treatment plant.文章讨论了化学灌浆在威海市垃圾处理厂截污坝防渗帷幕中的应用及效果。
3.The experience of dam body anti-infiltration project in Jianning port,Gantian town,Zhuzhou County indicates that high-pressure jet grouting in the egg riddlings below the dam body will formseepage proof curtain to stop up leaks successfully.在株洲县淦田镇建宁港坝体防渗工程中,应用高压喷射对坝体以下卵石层进行注浆,形成防渗帷幕,成功堵漏,效果好。
延伸阅读
帷幕帷幕curtainWelmU帷幕(curtain)沿坝基及其两岸延伸部分的地下连续防渗幕体.它是常用的坝基防渗措施之一帷幕与挡水建筑物的防渗结构的可靠连接，共同形成地上、地下连续的防渗体系.用钻孔灌水泥浆或各种化学浆液形成的帷幕称灌浆帷幕(见帷幕灌策和化学灌泉).在砂砾石坝基中用泥投土防渗堵形成的帷幕称垂直防渗J.帷幕(见软基处理)。在防渗墙下进行灌浆的帷幕称组合式帷幕。帷幕的作用主要有:①减少坝基和绕坝渗漏量。②防止断层裂隙中的充填物及抗水性能差的岩层产生管涌。③在帷幕和排水的共同作用下，使幕后坝基及两岸边岸的渗透压力降低至允许值，防止渗透压力对坝体、坝基及两岸边坡稳定产生不利影响。④灌浆帷幕兼有对坝基表层的接触灌装和固结灌泉的作用。帷幕的深度和伸人两岸的范围由坝高、地质条件及防渗要求等确定。帷幕深度一般伸人相对隔水层以下3~sm;伸人两岸的范围一般至正常蓄水位与天然地下水位相接处。帷幕范围也可根据地质条件及防渗要求，经计算或试验确定.通常帷幕深度多为0.3一。.7倍水头.相对隔水层考虑坝高、坝型、地质条件等因素，以钻孔压水试验透水率q<1~10 Lu(吕荣)为标准。岩溶地区的帷幕深度及伸入两岸的范围，应根据岩溶及渗漏通道的分布情况和防渗要求确定。伸人相对隔水层的帷幕称封闭式帷幕。未伸人相对隔水层的帷幕称悬挂式帷幕.帷幕灌浆的钻孔方向有垂直的和倾斜的。帷幕钻孔的排数有单排的和多排的.倾斜帷幕在一定地质条件下，能穿过较多的岩体裂膝和层面，有时比垂直帷幕的防渗效果好，但对钻孔施工要求较高。单排孔帷幕适用于岩体完整性良好透水性弱的坝基;当帷幕承受水头较高或裂隙发育、岩体透水性强时，可采用多排孔帷幕。当水头较高时，为保证帷幕质量和方便施工，两岸帷幕沿坝基按30~50m高差分层布置和施工，上、下层帷幕搭接处采取浅孔灌浆等措施以保证其可靠衔接。
