Prefabricated steel and concrete composite floor adopting self-locking connection and installation method
A combined floor slab and assembly technology, applied to floors, building components, buildings, etc., can solve problems such as concrete cracking and connector corrosion, and achieve the effects of low foundation cost, improved connection strength, and less material usage
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[0028] Example one
[0029] This embodiment is a fabricated steel-concrete composite floor slab adopting self-locking connection, such as Figure 1-Figure 4 As shown, it includes a frame foundation formed by a plurality of hollow steel tube columns 1, an H-shaped steel beam fixed on the frame foundation and horizontally arranged, and a plurality of side-by-side prefabricated reinforced concrete panels 5 arranged on the H-shaped steel beam, and hollow steel tube The column 1 is filled with concrete 2. The H-shaped steel beam is composed of multiple transverse beams 3a and longitudinal beams 3, and each prefabricated reinforced concrete panel 5 spans adjacent longitudinal beams 3. The shape of the steel pipe column is not limited in this example. According to actual needs, the cross-sectional shape of the hollow steel pipe column 1 can be square or polygon; the H-shaped steel beam can be fixed to the frame foundation by welding or self-tapping screws.
[0030] The top surface of th...
Example Embodiment
[0037] Example two
[0038] This embodiment is the installation method of the prefabricated steel-concrete composite floor in the first embodiment, which includes the following steps:
[0039] 1) Install hollow steel pipe columns to form the frame foundation, install and fix H-shaped steel beams on the frame foundation, and arrange ribs on the top of the H-shaped steel beams;
[0040] 2) Glue a stretchable and deformable long rubber seal on the edge of the upper flange plate of the longitudinal beam;
[0041] 3) With the steel frame composed of hollow steel pipe columns and H-shaped steel beams as the platform, the prefabricated reinforced concrete panels with channels, grout inlets and grout outlets are installed by hoisting, so that the ribs are just stuck in the channel; The weight of the precast reinforced concrete panel completely compresses the rubber sealing material to ensure the sealing of the grouting channel;
[0042] 4) The non-shrinking self-compacting high-strength concre...
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