钟吕水利枢纽堆石坝设计说明书(一).doc
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- 水利枢纽 堆石坝 设计 说明书
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1、摘 要本次设计主要是为了开发利用B江流域的水利资源,建设一个以发电为主,同时兼顾灌溉、供水、防洪及养殖等综合利用效益的跨流域开发的水利水电枢纽工程。在明确了建设目的并具有了建设依据和条件后设计的枢纽概况如下:B江水利枢纽为复合土工膜防渗堆石坝最大坝高54.0米,正常蓄水位276.5m,主坝长236.5米左右,上游边坡1:1.5,下游边坡在255m以上为1:1.52,255m以下为1:1.55。本次设计主要内容为:经洪水调节确定坝顶高程;坝型的比选;第一主要建筑物的设计;施工组织设计。复合土工膜防渗堆石坝是一种新的坝型,其防渗材料-复合土工膜的设计、施工、质量控制是该类坝型的技术关键,在本设计说
2、明书第六章第三节有详细说明。本工程导流隧洞施工具有施工工作断面小,工期紧的特点,故其施工工艺是关键,在本设计说明书的有详细的说明。本次设计以一般混凝土面板堆石坝和一些已建复合土工膜堆石坝为参考,在注重各细部独立分项设计的同时,综合考虑了整体工程的统一性。在专题的编写中参考已建工程的导流隧洞,对导流隧洞的施工组织进行了设计,确保按期完成导流隧洞标段工程。在设计过程中既充分运用了所学知识,广泛参考了堆石坝设计、施工等相关书籍,并在规范规定内设计,体现了本设计的科学性、规范性。关键词:复合土工膜、堆石坝 、 防渗 、 边坡稳定 、 投标文件、 技术标 、 导流隧洞 、施工组织AbstractThe
3、purpose of this design is to develop the water resources of B Jiang Basin,constructing a power-based, taking into account irrigation, water supply, flood protection and aquaculture Etc. of comprehensive utilization efficiency, such as the development of inter-basin water conservancy and hydropower p
4、roject.After clearing the purpose of the construction , having the basis and conditions of the construction the project is designed as follows:B Jiang Project is a composite geomembrane impermeable rock-fill dam height of 54.0m,the normal water level is 276.0m,the length of the main dan is about 216
5、m,the upstream slope is 1:1.5and downstream slope 1:1.52 above 255m , while 1:1.55 under 255m.The primary coverage of the design is: ascertain the crest elevation;Pa-selection; the first major building design; construction organization design. And composed the tender documents of the diversion tunne
6、l, and focus on the design special topica technology standard for the the diversion tunnel design.Impermeable composite geomembrane rockfill dam is a new type of dam, the impermeable materialcomposite geomembranethe design, construction, quality control is the dam of such key technology in the desig
7、n of Chapter VI of the third statement Festival are explained in more detail.The diversion tunnel construction project have the characteristics of small construction work on the section, tight time limit, so its construction technology is the key, in the design have the specification of a detailed e
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