Prestressed hollow plate of bundling type filling boxes
A technology of filling boxes and hollow slabs, which is applied to floors, building components, buildings, etc., can solve the problems of prestressed construction difficulties, poor mechanical properties, and low floor hollowness, and achieve reduced calculation spans, reduced consumption, and reduced The effect of construction costs
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[0038] The present invention is realized in the following manner:
[0039] exist Figure 1-Figure 7 , Figure 10 In the shown embodiment, a prestressed hollow slab of a cluster filling box, viewed from a sectional view, the hollow slab includes a rib beam (1), an upper flange (2), a lower flange (3) and a clustered Filling boxes (4), concrete (5) shall be poured on rib beams, upper flanges and lower flanges, and each group of cluster filling boxes is composed of at least two rows and at least two rows of filling boxes (6) in a plane The rib beam is equipped with longitudinal steel bars (7), prestressed tendons (8) and stirrups (9), and the upper flange and the lower flange are each equipped with at least two layers of mutually perpendicular reinforcement (10).
[0040] exist Figure 1-Figure 9 In the shown embodiment, the middle part of each filling box (5) is provided with a grout leakage hole (11), and the grout leakage hole runs through the upper and lower surfaces of ea...
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