Square steel pipe column-concealed beam floor slab fabricated system adopting Z-shaped connecting

Abstract

The invention provides a square steel pipe column-concealed beam floor slab fabricated system adopting Z-shaped connecting, and belongs to the technical field of structural engineering. The square steel pipe column-concealed beam floor slab fabricated system adopting Z-shaped connecting comprises square steel pipe columns, concealed beam floor slab modules and Z-shaped joints. Beams prefabricatedin a factory serve as frames of beam-slab overall modules, and prefabricated concrete is poured at the bottoms of the beams; in the construction site, the concealed beam floor slab modules and the square steel pipe columns are connected through the Z-shaped joints; then pipelines can be freely laid on prefabricated concrete layers, the pipelines between the different slabs penetrate through holesin beam webs, and after laying is completed, lightweight concrete is poured; and through beam-slab integration of the concealed beam floor slabs, upper flanges and lower flanges of the beams are pre-embedded in the concrete of the floor slabs, thus the local stability of components is improved, and the problems of fire protection and corrosion prevention of the steel structural beams are solved. Through the modes that the holes are formed in the webs and the floor slabs are poured in a layered mode, individualized arrangement of the pipelines is facilitated, and later maintenance and transformation are convenient; and factory and fabricated modes are combined, the construction speed is increased, and the square steel pipe column-concealed beam floor slab fabricated system adopting Z-shapedconnecting adapt to development of a fabricated steel structure.

Description

technical field [0001] The invention designs a Z-shaped connecting square steel pipe column-invisible beam floor slab assembly system, which belongs to the technical field of structural engineering. Background technique [0002] my country's annual urban and rural housing area is 2 billion cubic meters, of which more than 80% are high-energy buildings, and the energy consumption per unit building area in my country is more than twice that of developed countries. According to the statistics of the China Iron and Steel Association, my country's steel output exceeded 700 million tons in 2011, ranking first in the world's steel output for 16 consecutive years. Correspondingly, the current domestic construction industrialization level is less than 10%, while the steel structure building area in developed countries accounts for The total construction area is more than 50%, and Japan accounts for 80%. As the country with the largest construction scale and steel output in the world,...

AI Technical Summary

Problems solved by technology

Exposed steel beams require anti-corrosion and fire prevention treatment, which increases the cost, and the exposed steel beams are not conducive to flexible space layout

Traditional floor electric pipes are buried in the structural layer, and the building layer is poured on the structural layer, and water, heating and other pipelines are buried in the building layer, making the total thickness of the floor slab larger

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