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苏联国家建委决定批准自1979年元月1日起启用建筑法规Ⅱ—54—77(Ⅱ—54—77)《混凝土和钢筋混凝土坝》篇,以代替现行的有关设计规范。在编制Ⅱ—54—77时曾详细分析和总结了在苏联国内外建造的混凝土和钢筋混凝土坝的设计、科研、施工、运转经验。与过去的规范文件不同,Ⅱ—54—77列入了所有主要坝型的设计规定:岩基上的重力坝、支墩坝、拱坝和菲岩基上的钢筋混凝土坝。规范的前两章集中了对所有坝型都适
The Soviet State Construction Commission decided to approve the opening of Building Code II-54-77 (Ⅱ-54-77) Concrete and Reinforced Concrete Dam since January 1, 1979 to replace the existing relevant design code. In the preparation of II-54-77, the design, research, construction and operation experience of concrete and reinforced concrete dams constructed in the Soviet Union and abroad were analyzed and summarized in detail. In contrast to past normative documents, II-54-77 includes design rules for all major dams: gravity dams, pier dams, arch dams and reinforced concrete dams on the Philippine base. The first two chapters of the Code focus on all dam types