Disassembly and construction method of a prefabricated concrete frame structure
A frame structure and construction method technology, applied in truss structures, buildings, building structures, etc., can solve the problems of unfavorable promotion and application of prefabricated concrete building structures, reduce construction costs, improve structural reliability, and improve Effects on production and assembly efficiency
Active Publication Date: 2021-06-01
甘肃省城乡规划设计研究院有限公司
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Problems solved by technology
At present, this aspect has never been considered in the overall layout of the structural design. The simple and extensive one-shaped, T-shaped and cross-shaped splits are more common, which is not conducive to the promotion and application of prefabricated concrete building structures.
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[0035] A method for splitting and constructing an assembled concrete frame structure, such as Figure 1 to Figure 7 As shown, the following steps are included, and the following steps are carried out in sequence,
[0036] Step 1. Split the fabricated concrete frame structure
[0037] Split the plane of the concrete frame structure into multiple composite members and a single member, including the corner plane composite section 2, the middle secondary frame beam end plane composite section 3, the middle main frame beam end plane composite section 4, the middle main frame Plane combination section 5 in the middle of the beam, secondary frame beam 10 in the mid-span section, secondary beam 13 in the mid-span section, and cast-in-place section 16,
[0038] The corner plane combination section 2 is as figure 1 As shown, it includes the node section column 1, the outer end main frame beam 6, the end support section sub frame beam 11 and the end support section sub beam 14, wherein...
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A disassembly and construction method of a prefabricated concrete frame structure belongs to the technical field of building structure engineering, and the plane of the concrete frame structure is split into multiple composite components or single components, including the corner plane composite section and the end of the middle secondary frame beam Plane composite section, plane composite section at the end of the middle main frame beam, middle plane composite section of the middle main frame beam, mid-span sub-frame beam, mid-span sub-beam and cast-in-place section, preparation of prefabricated concrete frame structural members and prefabricated concrete frame Structure build. In the present invention, the cast-in-place concrete connecting section of the assembled concrete frame structure avoids the key point of structural stress, and the main frame beam of each span is adjusted from the conventional two cast-in-place sections at the end to the distance away from the position near the middle of the span. One cast-in-place section reduces the need for cast-in-place concrete connection sections for on-site assembly, which improves structural reliability, improves production and assembly efficiency, and reduces construction costs.
Description
technical field [0001] The invention belongs to the technical field of building structure engineering, and relates to an assembled concrete structure technology, in particular to a method for splitting and constructing an assembled concrete frame structure. Background technique [0002] The invention patent authorization specification CN201510102728.X proposes a new split component and connection method of a prefabricated concrete frame-shear wall. The invention realizes the shear connection between prefabricated columns and prefabricated columns by setting grouting grooves on the outside of prefabricated column tops and prefabricated column bottoms, and pouring mortar in the adjacent grouting grooves; The slab splicing key is set at the end of the slab, and the joint between the beam and the slab splicing key and the grout poured into the occlusal gap realize the connection between the prefabricated beam and the prefabricated slab; The horizontal connecting steel bar in th...
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IPC IPC(8): E04G21/00E04B1/19E04C3/02
Inventor 孟凡林
Owner 甘肃省城乡规划设计研究院有限公司