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一、前言今市坝是修建在利根川水系鬼怒川支流砥川上游的一座混凝土重力坝,目前正在施工中。其水库为今市抽水蓄能电站的下池。该坝坝高75.5米,坝顶长177米,坝体积19.2万立米。工程于1979年10月开挖基坑,1983年12月坝体混凝土浇筑完毕,现正在进行帷幕灌浆。在施工过程中,由于电力需要停滞,施工计划大大延期,当前计划于1988年7月投入运行。以下围绕该坝坝体混凝土的施工,介绍其施工概况。
I. Preface The current dam is a concrete gravity dam built on the upstream of Kyogawa tributary of the Kinugawa tributary of the Leeugawa River system and currently under construction. The reservoir for the city under the pumped storage power station. The dam is 75.5 meters high, with a crest of 177 meters and a dam area of 192,000 cubic meters. Excavation of excavation pit in October 1979, dam concrete pouring completed in December 1983, the curtain grouting is now under way. In the course of construction, due to the stagnation of power needs, the construction plan was greatly delayed and the current plan was put into operation in July 1988. The following around the dam concrete construction, introduced its construction overview.