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Half Pca board construction method null of underground rim
Half Pca board construction method null of underground rim
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机译:地下轮辋半Pca板施工方法无效
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摘要
PURPOSE:To make it possible to eliminate any need for a form and simplify supporting, inhibit the weight of materials to be hoisted to a minimum, and what is more, to minimize the use of timber and the generation of industrial waste and simplify the construction of drain ditch for leakage treatment and build in a half Pca board easily and definitely. CONSTITUTION:One end of an underground peripheral wall separator is welded to a steel pile 2 for earth retaining 1 after excavation. Inner wall half Pca boards 51 are laid out separated from the earth retaining spot at a specified span. These inner wall half Pca boards are fixed with the other end of each separator properly. Reinforcements 511 are placed between the earth retained spots and each inner wall half Pca board where concrete 53 is placed. What is more, mortar is filled in an outer edge portion on foundation beams 3 which build in the inner wall half Pca boards, thereby forming a drain ditch 9 which serves as an inner wall half Pca board beam. In addition, there is formed a small window into which a fork of a forklift is inserted at a proper location on a half Pca board main body.
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