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一九八一年九月水利部在郑州召开的小浪底工程初步设计要点审查会议上曾经指出:大跨度隧洞的设计和施工是小浪底工程成败的一个重要关键,应对大跨度隧洞采用“新奥法”施工工艺进行试验研究。据此,黄委会勘测规划设计院经过积极筹备,于一九八二年七月正式开工。试验洞要达到的主要目的有四个:(1) 落实大跨度隧洞开挖和穿越断层区的可能性。
In 1981 September the Ministry of Water Resources in Zhengzhou Xiaolangdi project preliminary design point review meeting once pointed out: the design and construction of large-span tunnel Xiaolangdi project is an important key to success or failure to deal with long-span tunnel using the “New Austrian Law” Construction technology for experimental study. Accordingly, the Planning and Design Institute of the Yellow River Surveying and Planning Agency, after active preparation, was officially started in July 1982. The main purpose of the test hole to achieve four: (1) the implementation of long-span tunnel excavation and the possibility of crossing the fault zone.