Node for thin-wall steel tube regenerative mixed column and reinforced concrete beam and construction method thereof
A technology for reinforced concrete beams and thin-walled steel pipes, applied in solid waste management, sustainable waste treatment, climate sustainability, etc., can solve problems such as unfavorable waste concrete pouring, affecting building functions and decorative requirements, and occupying a large space. , to meet the design requirements, facilitate promotion, and facilitate construction.
Inactive Publication Date: 2011-06-15
SOUTH CHINA UNIV OF TECH
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Problems solved by technology
Commonly used concrete-filled steel tube beam-column joints include: reinforced ring joints, load-bearing pin joints, anchor joints, reinforced concrete ring beam joints, steel bar through-hole joints, etc. These joints either use through-hole components or occupy The ring-type reinforcement components in a larger space, for steel pipe recycled mixed columns, the use of core-type components will not be conducive to the pouring of waste concrete, and the use of ring-type reinforcement components will affect the building function and decoration requirements
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[0033] The specific implementation of the present invention will be further described below in conjunction with the drawings and examples, but the implementation of the present invention is not limited thereto.
[0034] Such as figure 1 , 2 As shown, the joint between the thin-walled steel pipe recycled mixed column and the reinforced concrete beam is mainly composed of the joint domain 3, the steel corbel 9, and the reinforcing ring bar 10. The composition of the nodes is as follows: the intersection of the thin-walled steel pipe regeneration hybrid column 1 and the reinforced concrete beam 2 forms the node domain 3, and the steel pipe 4 of the node domain 3 is connected with the thick-wall steel pipe 7 of the thin-wall steel pipe regeneration hybrid column. A steel corbel 9 is embedded at the junction of the reinforced concrete beam 2 and the node domain 3 , and the steel corbel 9 is welded to the steel pipe 4 of the node domain 3 . The reinforcing ring bar 10 is close to ...
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Abstract
The invention discloses a node for a thin-wall steel tube regenerative mixed column and a reinforced concrete beam and a construction method thereof. The node comprises a node domain, a steel bracket and a reinforcing ring rib; the steel bracket is embedded at the joint of the reinforced concrete beam and the node domain; the steel bracket is welded at a steel tube of the node domain; the reinforcing ring rib is tightly attached to the flange of the steel bracket and encircles and hoops the node domain; the reinforcing ring rib is welded with the flange of the steel bracket and the steel tubeof the node domain respectively; and a longitudinal bar of the reinforced concrete beam is welded to the flange of the steel bracket by adopting fillet weld. The construction method comprises the following steps of: positioning the reinforcing ring rib; positioning the steel bracket, and finishing welding between the steel bracket and the steel tube of the node domain and among the reinforcing ring rib, the flange of the steel bracket and the steel tube of the node domain; butt welding a thin-wall steel tube and a thick-wall steel tube of the thin-wall steel tube regenerative mixed column; and welding the longitudinal bar of the reinforced concrete beam to the flange of the steel bracket. The node of the invention has the advantages of simple structure, reliable force transfer, convenientand fast construction, environmental protection, energy conservation and emission reduction.
Description
technical field [0001] The invention relates to the technical field of concrete waste recycling, in particular to a joint of a thin-walled steel pipe recycling mixed column and a reinforced concrete beam including waste concrete blocks and a construction method thereof. Background technique [0002] At present, most of the concrete solid waste generated by the demolition of old buildings in my country is directly transported to the suburbs for stacking, while the concrete needed for new buildings is completely made of new cement, gravel, river sand and other materials. This not only consumes a lot of resources, but also causes serious environmental hazards. For this reason, how to scientifically use the concrete solid waste generated by the demolition of old buildings to minimize the consumption of new cement, gravel, river sand and other materials in new buildings has become a key issue for the entire construction industry to practice "environmental protection, energy savin...
Claims
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IPC IPC(8): E04B1/18C04B28/00C04B18/16
CPCY02W30/91
Inventor 吴波赵新宇刘琼祥
Owner SOUTH CHINA UNIV OF TECH