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问:《混凝土结构工程施工质量验收规范》第4.2.5条中对梁、板模板起拱的规定,是否会影响到构件断面?此规定是否包含悬挑构件?若包含,悬挑构件应如何起拱?井字梁密肋楼盖的起拱高度如何确定?答:大跨混凝土结构在荷载作用下会发生挠曲变形;模板在施工荷载作用下也会挠曲变形。为
Q: Will the provisions of Clause 4.2.5 of the Code for Acceptance of Construction Quality of Concrete Structures affect arching of beams and slabs affect the cross-section of members? Does this rule include cantilevered members? If so, what should be the overhangs? How to determine the arch height of the capping beam? The answer to the question is:? The long-span concrete structure will undergo buckling deformation under the action of load; the template will also deform under the action of construction load. for