1) earth core rockfill dam
土质心墙坝
1.
Hydraulic fracturing in earth core rockfill dam is a key problem which is unsolved and is given an universal attention in engineering field.
土质心墙坝的水力劈裂问题一直是工程界普遍关注又亟待解决的关键问题。
2) Coreˉwall earth dam
心墙土坝
3) sloping core earth dam
斜心墙土坝
4) core of earth-rockfill dam
土石坝心墙
1.
Research progress of hydraulic fraturing in core of earth-rockfill dam;
土石坝心墙水力劈裂的研究进展
2.
Research progress of hydraulic fracturing in core of earth-rockfill dam
土石坝心墙水力劈裂研究探讨
3.
The research status of hydraulic fracturing in core of earth-rockfill dam is briefly reviewed,and the mechanisms,the conditions and the influence factors of hydraulic fracturing are induced.
简要评述了国内外关于土石坝心墙水力劈裂的研究现状,归纳了土石坝心墙水力劈裂在发生机理、发生条件和影响因素等方面的研究成果。
5) Clay core dam
粘土心墙坝
1.
Through the splitting grouting technology mechanism analysis,according to the characteristics of dam types,this paper analyzed the application and grouting effect under the condition of high water level in the clay core dam,homogeneous weathering dam,sandstone dam and sand powders dam especially according to the construction methods,grouting technics,grouting parameters,etc.
文章通过对劈裂式灌浆机理的分析,针对各类坝型的特点,从施工方法、灌浆工艺、灌浆参数等方面分别分析了劈裂式灌浆技术在粘土心墙坝、均质风化料坝、砂土坝、石碴坝等坝型中的应用及高水位条件下的灌浆效果,得出结论:劈裂式灌浆技术通过改良施工工艺和浆液比重,可加快施工进度,提高浆脉厚度至20~30cm,具有较高的应用价值。
2.
Taking a certain clay core dam as an object of calculation and the Duncan - Chang double curve non-linear model as the embankment filling both displacement and stress values of the dam have been calculated by applying load in 8 stages.
以某粘土心墙坝作为计算对象,坝体填料采用邓肯—张双曲线非线性模型,利用中点增量法计算了坝体在八级加载情况下的变位和应力值。
6) earth-rock dam with clay core
黏土心墙坝
1.
Research on stability of earth-rock dam with clay core of Shenyugou dangerous reservoir in Fang County
房县深峪沟病险水库黏土心墙坝稳定性分析
补充资料:多种土质坝
采用两种以上筑坝材料筑成的土坝。坝体包括防渗料和各种透水料。防渗料置于坝体中间或上游,再按排水过渡原则分别设置由中间向上下游,或由上游向下游透水性逐渐增大的坝壳透水料(见图)。这种坝适用于当地具备几种筑坝材料(包括从建筑物开挖出来的石碴),且必须用两种以上材料才能满足数量要求的情况。
这种坝的优点:①可因地制宜充分利用包括石碴在内的当地各种筑坝材料;②土料用量比均质土坝少,因而施工受气候影响也相对小;③如防渗体设于上游,雨天可先填下游透水料争取工期;④坝内自防渗料起按由细到粗的排列过渡原则分区配置筑坝材料,有利于坝体排水,简化排水设施,使下游透水坝壳浸润线较低。如防渗体位于中间,当库水下降,上游透水坝壳的孔隙水迅速外排,上游坝坡可设计得比较陡。如防渗体位于上游,下游坝壳全为透水料,下游坝坡比较陡。综上所述,这种坝型比均质土坝节省工程量。其缺点是坝体由多种材料组成,工序复杂,施工干扰大。
这种坝的优点:①可因地制宜充分利用包括石碴在内的当地各种筑坝材料;②土料用量比均质土坝少,因而施工受气候影响也相对小;③如防渗体设于上游,雨天可先填下游透水料争取工期;④坝内自防渗料起按由细到粗的排列过渡原则分区配置筑坝材料,有利于坝体排水,简化排水设施,使下游透水坝壳浸润线较低。如防渗体位于中间,当库水下降,上游透水坝壳的孔隙水迅速外排,上游坝坡可设计得比较陡。如防渗体位于上游,下游坝壳全为透水料,下游坝坡比较陡。综上所述,这种坝型比均质土坝节省工程量。其缺点是坝体由多种材料组成,工序复杂,施工干扰大。
说明:补充资料仅用于学习参考,请勿用于其它任何用途。
参考词条