粘土心墙砂砾石坝,clay?core dam
1)clay?core dam粘土心墙砂砾石坝
1.Based on the safety monitoring data obtained from "635" clay?core dam, its engineering behaviors, especially the working behavior at the place where the anti?seepage core in the steep left abutment joints to bank slope concrete, are analyzed.基于"635"粘土心墙砂砾石坝的安全监测资料,对该坝的工程性状,特别是陡峭左坝肩防渗心墙与岸坡混凝土接触面处的工作性状进行了分析,分析结果认为:对于高压缩性粘土,如何确定开挖边坡以防止因防渗体不均匀沉降而致使其产生裂缝应作专门研究,不宜简单参照规范执行;进行大坝安全监测设计时,应加强对防渗心墙薄弱部位的渗流观测;在设计方案比较阶段,对施工期和蓄水期应该选用非饱和和饱和两套土性指标进行计算分析,否则将会低估蓄水期坝体的变形。
2)clay-core gravel sand dam砂砾石粘土心墙坝
1.Analysis on wetting deformation of upstream dam shell in 635clay-core gravel sand dam;“635”砂砾石粘土心墙坝蓄水初期上游坝壳浸水变形分析
3)dam with clay core黏土心墙砂砾石坝
1.Safety monitoring results of adam with clay core are presented.介绍了某黏土心墙砂砾石坝的安全监测成果。
英文短句/例句
1.Safety monitoring results of a dam with clay core are presented.介绍了某黏土心墙砂砾石坝的安全监测成果。
2.Analysis of engineering behavior of a dam with clay core某黏土心墙砂砾石坝安全监测及工程性状分析
3.Study on Dynamic Properties of Core Material and Dam-Foundation Fine Gravel of Earth-Rock Dam;土石坝心墙料及坝基细砂砾料动力特性试验研究
4.The Research of Quality Control Method for Spreading Gradation Soil of Core Wall of Soil-Rook Dam;土石坝心墙宽级配砾质土质量控制方法研究
5.Analysis on construction monitoring of gravel-soil core of rock fill dam of Pubugou Hydropower Station瀑布沟水电站大坝砾石土心墙施工监测分析
6.The back-analysis of deformation parameters of core gravelly soil of the Nuozhadu high rock-fill dam糯扎渡高心墙堆石坝心墙砾石土料变形参数反演分析
7.Anti-seepage technique for sand-gravel dam with compound geomembrane inclined wall of Xixiayuan Counter Reservoir西霞院反调节水库复合土工膜斜墙砂砾石大坝防渗施工技术
8.Broken gravel soil as impervious material for rockfill dam with core滑坡堆积碎(砾)石土作为心墙堆石坝防渗土料的初步研究
9.The Properties of Spreading Gradation Gravelly Soil as Core of High Earth Rock-fill Dam and Numerical Simulation;高土石坝宽级配砾石土心墙料特性研究及数值模拟
10.A NEW TOTAL STRESS METHOD FOR CALCULATION OF STRESS AND DEFORMATION OF CORE IN ROCK-FILL DAMS堆石坝黏土心墙应力变形的总应力法计算
11.Research of Gravelly Soil with Spreading Gradation for Being Used in Soil Core Rockfill Dam;宽级配砾质土在土石坝心墙防渗中的应用与研究
12.Technique of Building Seepage-proof Concrete Walls on Graveled Dams在砂砾石坝体中建造深砼防渗墙的施工技术
13."Clay, silt, sand, and gravel. "粘土，粉砂，砂土和砾石。
14.Reliability Analysis on Seepage Stability of Concrete Face Sand-Gravel Dam;混凝土面板砂砾石坝渗透稳定的可靠性分析
15.Influence of the Core-wall Structure on Seismic Prevention for Earth Rock-fill Dams土石坝心墙结构对土石坝抗震的影响
16.Application of gravelly soil to the impervious core of the dam for Xijinghe Reservoir砾质土料在西静河水库大坝防渗心墙中的应用
17.Filling construction technology and method for gravel soil core of Nuozhadu Rock-fill Dam with Core糯扎渡大坝心墙掺砾土料填筑施工工艺及方法
18.Joint structure model test of asphalt concrete core of embankment dams土石坝沥青混凝土心墙接头模型试验
相关短句/例句
clay-core gravel sand dam砂砾石粘土心墙坝
1.Analysis on wetting deformation of upstream dam shell in 635clay-core gravel sand dam;“635”砂砾石粘土心墙坝蓄水初期上游坝壳浸水变形分析
3)dam with clay core黏土心墙砂砾石坝
1.Safety monitoring results of adam with clay core are presented.介绍了某黏土心墙砂砾石坝的安全监测成果。
4)sand case dam with clay core粘土心墙砂壳坝
1.Analyses of the monitored seepage data of thesand case dam with clay core of Jilihe Reservoir show that the impervious effect of the clay core is good, that the blanket in the front of the dam has little impervious effect, and that seepage failure will probably take place because of the weak cutoff groove and the large seepage gradient.对吉利河水库粘土心墙砂壳坝的渗流观测资料分析表明,该坝粘土心墙的防渗效果较好,但坝前铺盖没起到防渗作用,且截渗槽较薄弱,渗透比降较大,可能发生渗透破坏。
5)earth-rock dam with clay core粘土心墙土石坝
1.Analysis of seepage stability ofearth-rock dam with clay core under ascending and descending water table conditions;水位升降对粘土心墙土石坝渗流稳定性分析
2.2-D FEM analysis of the post-earthquake failure mechanism for theearth-rock dam with clay core;粘土心墙土石坝震后破坏机理的二维有限元分析
6)sand gravel dam with asphalt concrete core沥青混凝土心墙砂砾石坝
延伸阅读
粘土心墙坝粘土心墙坝earth dam with clay core填筑质量不良将使沉陷量过大。建坝初期易使心墙由于不均匀沉陷而出现纵向裂缝;后期由一于心墙固结缓慢，沉陷量常大于同期坝壳沉陷量，此时，将发生拱效应，使心墙出现隐蔽的水平张拉裂缝而造成渗水通道，甚至引起心墙破坏粘土心墙坝的渗透及稳定计算见土坝渗流及坝坡稳定。(陈吉社)n iantu xinq一angba粘土心墙坝(earth dam with elay eore)用填筑于坝体中心的渗透系数较低的粘性土体作为防渗设备的上石坝。此类坝由心墙或斜心墙防渗;上下游坝壳支撑心墙保持坝体稳定:下游坝趾设排水以排除坝体、坝基渗水，并11r保护下游坝脚不受冲刷(见图)。当坝址附近有大量透水砂砾料和较少的粘性粘上心墙;止渡)公不透水层枯土，心墙坦土料，地基的预估沉陷量偏大时，采用这种坝型是适宜的。与均质土坝相比，其下游浸润线较低，边坡可陡些，而上游边坡陡于斜墙坝，故工程量常较均质土坝、粘土斜墙坝少，为此，高土石坝多趋向于采用心墙坝。中国碧口水电站及陕西石头河水库大坝，坝高超过100米，都采用心墙坝。粘土心墙叮垂直或略向上游倾斜布置，其顶部高程不低于最高库水位，顶宽考虑施工要求不小于2米，自墙顶向下游逐渐加厚，薄心墙边坡可陡于1;0.2，厚心墙边坡可达l;1，甚至更缓。心墙厚度不得小于承受水头与心墙土料允许渗透坡降的比值。心墙与坝壳间一般设置反滤过渡层，心墙底部用截水槽与坝菇不透水层相连接。当不透水层为基岩时，为防止集中渗流对心墙底部粘土的冲刷，常设混凝土垫或混凝土齿墙。心墙与岸坡的连接处可扩大断面以延长渗径，防止接触冲刷。心墙土料可就地取材，以残积土、冰啧土、沉积土为好，风成土及湖积土较差。其物理指标以粘土含量3()一5。%、渗透系数1又10一6一1丫1()一”厘米/秒、含水量15一25%为宜坝壳llf用一种或多种透水料如砂、砾(卵)石、风化石碴等填筑。坝壳料的渗透系数应比心墙料大1()。倍以上，以加强防渗效果;应具有较高的抗剪强度，以利于稳定;颗粒级配应连续，以利于压实「此外，对影响抗剪强度和渗透稳定性的细粒含量应限制在规定范围之内。心墙粘土宜用羊足碾或气胎碾压实:砂石料及块石、石碴分别用振动碾压实。若
