论文部分内容阅读
本文从总结长江葛洲坝工程大江截流近10年的试验研究成果和1981年1月原型截流的实践经验出发,分析讨论了大江截流中分流效果的影响因素、截流方案的选择、龙口护底措施的利弊、抛投块料的稳定特性、截流施工进占程序和最困难时段的出现规律等水力学问题。文中还给出了相应的理论探讨和数据资料。
This paper summarizes the experimental research results of the Yangtze River Gezhouba project in the past 10 years and the practical experience of the prototype closure in January 1981, analyzes and discusses the influencing factors of the diversion effect, the selection of the closure scheme and the advantages and disadvantages of the longkou protection measures , Throwing stability of the block characteristics, interception construction occupancy procedures and the most difficult period of occurrence of hydraulics and other laws. The article also gives the corresponding theoretical discussion and data.