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来源：百度知道 编辑：UC知道 时间：2024/09/23 19:03:01
本文结合张谷地形地质特点、水文特性，对其水利枢纽进行了初步设计。主要内容包括春河张谷水利枢纽的基本资料、主要建筑物设计、枢纽布置方案、地基处理以及施工导截流等内容。
在考虑了各种因素下，选择乙－乙作为本枢纽工程的坝轴线，在坝型的选择上，对各种坝型进行优缺点比较之后，结合本工程的当地特点，选择了混凝土实体重力坝作为本水利枢纽的坝型。调洪演算采用比较普遍的半图解法，在比较了三个调洪方案之后确定了一个合适的方案，得其设计洪水位为306.3米，校核洪水位307.1米，确定坝顶高程为310.9米。本枢纽主要建筑物由挡水建筑物、泄水建筑物、发电建筑物、放空建筑物组成。通过电算（重力坝稳定和应力计算程序）和应力及稳定较核之后，得出非溢流坝的经济剖面，坝顶宽12.5米，高125.9米；泄水建筑物采用表孔溢流的方式，坝顶曲线采用实用的WES曲线，消能方式采取挑流消能；厂房坝段包括三个机组段和一个安装场段，厂房采用坝后式；采用深孔作为放空建筑物，孔身段选用无压坝内泄水道。最后施工导流选用两期两段的导流方法，一期由束窄河床泄流，二期由导流底孔泄流，对春河张谷水利枢纽给出了一个比较完整的设计方案。
Spring the river is containing the rich hydro-electric resources, valley section suits in the construction hydro-junction, the hydro-junction main goal is prevents floods the electricity generation.
This article unifies opens the valley terrain geology characteristic, the hydrology characteristic, has carried on the preliminary design to its hydro-junction. The main content opens the valley hydro-junction including the spring river the basic document, the main building design, the key position scheme of arrangement, ground processing as well as the construction leads dams the current and so on the content.
In had considered under each kind of factor, the choice second grade - second grade took this key project the dam spool thread, in the dam choice, carries on the good and bad points comparison after each kind of dam, unifies this project the local characteristic, chose the concrete entity gravity dam to take this hydro-junction the dam. Adjusts Hong to calculate uses t