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为了满足建筑型式向大开间发展的需要,改革现浇结构的楼面模板,我们在学习北京经验的基础上,结合上海的加工厂制作有利条件,选择宜山旅馆第十一层屋面工程进行试点,同时完成了预应力迭合简支板的试验任务,试验结果证明:这种预应力薄板(5厘米厚)+整浇层(6厘米厚),两者共同作用,能使粘结可靠、强度、刚度和抗裂度都达到设计要求,既减轻了结构自重、又
In order to meet the need for the development of architectural styles to large bays and to reform the floor stencils of cast-in-place structures, we have chosen the Yishan Hotel’s eleventh floor roofing project to conduct pilot projects on the basis of learning from Beijing’s experience and combining the favorable conditions created by the processing plants in Shanghai. Simultaneously completed the test task of the prestressed superimposed simple support plate. The test results show that: This kind of prestressed thin plate (5 cm thick) + the entire pouring layer (6 cm thick), the two work together, can make the bond reliable, strength , stiffness and crack resistance have reached the design requirements, both to reduce the weight of the structure, and