dlt5079-2007 水电站引水渠道及前池设计规范

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1、ICS27.140P59备案号：J762—2007中华人民共和国电力行业标准DL/T5079—2007代替DL/T5079—1997水电站引水渠道及前池设计规范Designspecificationsforhydropowerheadraceandforebay2007-12-03发布2008-06-01实施中华人民共和国国家发展和改革委员会发布水电站引水渠道及前池设计规范条文说明第一章、目次1范围·······················································································

2、······474总则·····························································································485引水渠道布置·············································································506引水渠道纵坡及横断面设计······················································587前池及调节池布置设计················

3、··············································648水力设计·····················································································90第二章、1范围表1为国内部分Ⅲ、Ⅳ等渠道引水式电站的主要特性。由表1可见，国内已建的渠道引水式电站尚无一座Ⅱ等或Ⅰ等工程。究其原因，这类电站多建于山区，受地形条件限制难以修建大型引水渠道；在平原、丘陵地区，则因人口稠密，如占地过多，对环境及社会影响较大，也限制了大型引水渠道的修建。我国已建的渠道

4、引水式电站，绝大多数是装机容量等于或小于50MW的Ⅳ等以下——小（1）型、小（2）型水电站，故本规范是针对Ⅲ、Ⅳ、Ⅴ等水电站编制的。表1部分Ⅲ、Ⅳ等渠道引水式电站的主要特性A.4电站特性A.5引A.6引A.1A.2电A.3地A.7装A.8设A.9发水渠道水渠道号站名称址机容量计水头电流量长度设计流量3MWmm3/smm/sA.11东A.12四A.131A.141A.151A.163A.171A.10西关川武胜807.0296.073.26296.0A.19南A.20湖A.216A.221A.234A.243A.254A.18津渡南永州04.568.42991.080.0

5、A.27华A.28福A.296A.304A.311A.328A.331A.26安建华安07.060.0000.060.0A.35遥A.36湖A.375A.381A.394A.401A.414A.34田南耒阳01.866.7528.077.7A.43关A.44贵A.454A.461A.474A.482A.494A.42脚州镇宁833.51.5637.05.0A.51马A.52四A.534A.541A.554A.564A.574A.50回川蓬安6.11.450.055.650.0A.59草A.60四A.614A.623A.631A.645A.651A.58坡川汶川591.0

6、4.4432.06.0A.67磨A.68四A.693A.704A.719A.723A.731A.66房沟二级川冕宁7.557.8.75015.03.65A.75苏A.76云A.773A.782A.791A.805A.811A.74帕河南保山032.06.0399.06.0A.82A.83喀A.84新A.852A.869A.873A.882A.8930什二级疆疏附6.46.02.166446.08.0A.90A.91玛A.92新A.932A.946A.954A.962A.9751河三级疆玛纳斯6.259.046.5500.06.0A.98A.99西A.100新A.101A

7、.102A.103A.104A.1052大桥疆阿克苏68.560.0150.060.0A.106A.107南A.108福A.109A.110A.111A.112A.1133二建南靖51.05.00779.05.0第三章、4总则4.0.1为编制本规范，编制组对我国17个省、市、自治区的渠道引水式水电站进行了调查研究，收集了近百个水电站工程的资料，总结了不同类型工程在渠线选择和布置、渠道—前池系统的水力设计和计算、前池和引水渠道上建筑物的设计，以及不同条件下防洪、防泥沙、防污物、防渗漏、防冰等方面的经验。开展了专题研究，将成熟的工程经验和科技