某水利工程土石坝初步设计沥青混凝土防渗墙--学位论文.doc
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1、西南地区某水利工程土石坝初步设计沥青混凝土心墙-洪水5河北工程大学 水利水电工程专业毕业论文 毕 业 论 文 题目:西南地区某水利工程土石坝初步设计 姓 名:赵 龙 学 号:110290302 指导老师:屈春来老师 2015年5月23日 摘 要该江位于我国西南地区,本工程拦河坝沥青混凝土心墙坝。由于山区水位暴涨暴落,所以设置成兴利库容和拦洪库容完全不结合,即正常蓄水位和汛限水位均为2822.5米。本设计是侧重于坝工部分以挡水建筑物和泄水建筑物为主的土石坝水利枢纽设计。第一步,通过调洪演算得到最佳的溢流堰孔口净宽和堰顶高程方案,比较不同类型的土石坝在施工特点,技术经济等方面的优劣,最终确定大坝坝
2、型为沥青混凝土心墙坝,并且初定了大坝的轮廓尺寸。然后通过土料设计,对照指标确定了砂砾料场的位置。再选择坝体的三个典型断面对大坝进行渗流计算,通过水利计算来确定渗透坡降是否满足要求。然后通过vb编程进行坝坡稳定分析,最终进行坝体细部构造设计。第二步,进入主要建筑物设计阶段。确定出大坝的型式及坝址和坝轴线。另外确定该枢纽的组成建筑物,包括挡水建筑物、泄水建筑物、水电站厂房等。最后进行细部构造设计,设计土石坝与地基、岸坡的连接,并设置相应的大坝安全监测。本设计以碾压式土石坝设计规范SL274-2001为基本设计依据,外加参考了与土石坝的有关资料和书籍。 关键词: 沥青混凝土心墙坝 大坝剖面基本尺寸
3、渗流计算 稳定分析Abstract窗体顶端The river is located in southwest China, the project for the asphalt concrete core wall dam dam. The project normal water level 2822.5m, corresponding to the reservoir storage capacity of 454.5 106 m3. Get the best opening clear width weir crest elevation and flood routing schem
4、es by comparing the merits of different types of embankment dam construction characteristics, technical and economic aspects, and ultimately determine the dams of asphalt concrete core wall dam, and an initial outline of the size of the dam. Then determine where gravel quarry by earth material desig
5、n, control indicators. Then select three typical sections of the dam dam seepage calculation, by hydraulic calculation, checking the source of the seepage gradient seepage Yat determine whether to meet the requirements. Then slope stability analysis by vb programming, and ultimately be detailed stru
6、ctural design of the dam.The river is located in southwest China, the project for the asphalt concrete core wall dam dam. The project normal water level 2822.5m, corresponding to the reservoir storage capacity of 454.5 106 m3. Get the best opening clear width weir crest elevation and flood routing s
7、chemes by comparing the merits of different types of embankment dam construction characteristics, technical and economic aspects, and ultimately determine the dams of asphalt concrete core wall dam, and an initial outline of the size of the dam. Then determine where gravel quarry by earth material d
8、esign, control indicators. Then select three typical sections of the dam dam seepage calculation, by hydraulic calculation, checking the source of the seepage gradient seepage Yat determine whether to meet the requirements. Then slope stability analysis by vb programming, and ultimately be detailed
9、structural design of the dam.The river is located in southwest China, the project for the asphalt concrete core wall dam dam. The project normal water level 2822.5m, corresponding to the reservoir storage capacity of 454.5 106 m3. Get the best opening clear width weir crest elevation and flood routi
10、ng schemes by comparing the merits of different types of embankment dam construction characteristics, technical and economic aspects, and ultimately determine the dams of asphalt concrete core wall dam, and an initial outline of the size of the dam. Then determine where gravel quarry by earth materi
11、al design, control indicators. Then select three typical sections of the dam dam seepage calculation, by hydraulic calculation, checking the source of the seepage gradient seepage Yat determine whether to meet the requirements. Then slope stability analysis by vb programming, and ultimately be detai
12、led structural design of the dam.The river is located in southwest China, the project for the asphalt concrete core wall dam dam. The project normal water level 2822.5m, corresponding to the reservoir storage capacity of 454.5 106 m3. Get the best opening clear width weir crest elevation and flood r
13、outing schemes by comparing the merits of different types of embankment dam construction characteristics, technical and economic aspects, and ultimately determine the dams of asphalt concrete core wall dam, and an initial outline of the size of the dam. Then determine where gravel quarry by earth ma
14、terial design, control indicators. Then select three typical sections of the dam dam seepage calculation, by hydraulic calculation, checking the source of the seepage gradient seepage Yat determine whether to meet the requirements. Then slope stability analysis by vb programming, and ultimately be d
15、etailed structural design of the dam.窗体底端 This river is located in Chinas southwest, the barrage of asphalt concrete core wall dam project. Because the mountain water scary ups, so set to irrigation capacity of the storage and detention no union, namely the normal storage level and the level of 2822
16、.5 meters. This design is focused on the dam work part is given priority to with water retaining structure and drainage structures of earth and rockfill dam water conservancy hub design. As a first step, through the best of overflow dam for flood regulating calculation orifice width and weir crest e
17、levation scheme, comparison of different types of earth and rockfill dam in construction characteristics, technical and economic aspects of advantages and disadvantages, finally confirmed for asphalt concrete core wall dam, dam type, and initial dimensioning the outline of the dam. And then through
18、the earth material design, control indicators to determine the position of yard. Then select three typical dam break in the face of dam seepage calculation, through hydraulic calculation to determine the permeability grade whether meet the requirements. Then the dam slope stability analysis by vb pr
19、ogramming, eventually dam detail structure design. The second step, into the main building design stage. Determine the type of the dam and the dam site and the axis of the dam. In addition to determine the composition of the hub buildings, including the water retaining structure, drainage buildings,
20、 power station, etc. Finally carries on the detail structure design, the design of earth and rockfill dam and foundation, bank connection, and set up corresponding dam safety monitoring project. This design in the rolling type earth-rockfill dam design specification SL274-2001 as the basic design ba
21、sis, with reference of the earth-rock dam with the relevant information and books. Keywords: Asphalt concrete core wall Dam profile basic dimensions Seepage calculation Stability anlysis西南地区某水利工程土石坝初步设计沥青混凝土心墙-洪水5 目 录绪 论1第一章 基本资料21.1 工程流域概况21.2 风力和风向21.3 洪峰流量资料21.4 工程地质资料21.4.1坝址地质资料21.4.2 地震资料31.5
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