Connection joint between prefabricated reinforced concrete superposed beam and steel pipe column and construction method thereof
A reinforced concrete and connecting node technology, which is applied in the direction of architecture and building structure, can solve the problems of cumbersome node construction, inability to adapt to the development needs of prefabricated buildings, and large on-site workload, so as to achieve simple structure, convenient construction, and improved work efficiency. performance effect
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[0027] Example 1:
[0028] A connection node of a prefabricated reinforced concrete composite beam and a steel tube column is characterized in that it mainly includes a prefabricated steel tube column 1, a prefabricated reinforced concrete composite beam 2, a U-shaped steel casing 3, and a cast-in-place concrete 4.
[0029] The prefabricated steel pipe column 1 includes a steel pipe column 11 and an H-shaped steel end 12 welded to the side wall of the steel pipe column 11. The H-shaped steel end 12 includes an upper flange plate 121, a lower flange plate 122 and a web 123. The web 123 has a number of bolt holes I1231. The upper flange plate 121 and the lower flange plate 122 of the H-shaped steel end 12 are both parallel to the horizontal plane. The web 123 is perpendicular to the horizontal plane.
[0030] The prefabricated reinforced concrete composite beam 2 includes a T-shaped connector 24 and a pre-cast concrete 25, and a cage braided by a plurality of upper force bars 21, lo...
Example Embodiment
[0034] Example 2:
[0035] This embodiment discloses a construction method for a connection node between a reinforced concrete composite beam and a steel tube column described in Embodiment 1, and is characterized in that the specific steps are as follows:
[0036] a. The prefabricated steel pipe column 1 and the prefabricated reinforced concrete composite beam 2 are processed in the factory, and after they are transported to the construction site and installed in place, they are connected by bolts 5.
[0037] b. Weld the upper and lower force bars 21 and 22 of the prefabricated reinforced concrete composite beam 2 on the outer surfaces of the upper and lower flanges of the reserved H-shaped steel ends 12.
[0038] c. Position the turned-out U-shaped steel channel 31 and weld it to the outer wall of the steel pipe column 11, and weld the connection steel bar 32.
[0039] d. Pour concrete 4 and complete the construction.
[0040] Through the above construction process, the reliable connec...
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