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当现浇混凝土需支设模板时,一般施工荷载较大,对地基承载力要求较高;同时由于高度较高,需投入大量的周转材料,工期长,劳动强度大,危险性也较大。自承式钢筋桁架楼板劲性梁大跨度超高结构体系,利用高空作业平台,将劲性梁中的型钢作为劲性梁模板的支承构件,并利用自承式钢筋桁架楼板的优点,有效地解决了大跨度超高结构模板支设的上述技术难题,大大降低了劳动强度,安全可靠,质量保证,经济效益良好。
When the cast-in-place concrete is required to support the formwork, the general construction load is relatively large, and the bearing capacity of the foundation is relatively high. Meanwhile, due to the high height, a large amount of working material needs to be put into operation, and the construction period is long, the labor intensity is large, and the danger is also large. Self-supporting steel truss floor stiff beam large-span ultra-high structural system, the use of aerial work platform, the beam will be strong beam as a rigid beam formwork support members and the use of self-supporting steel truss floor, effectively Solve the above-mentioned technical problems of large-span super-high structure template support, greatly reducing the labor intensity, safety and reliability, quality assurance, good economic returns.