Frame system with prefabricated concrete-filled steel tube composite special-shaped columns and energy-dissipating steel plate walls
A technology of steel tube concrete and frame system, which is applied in the direction of walls, columns, pier columns, etc., can solve the problems of limited cross-sectional area of special-shaped columns, difficult to increase bearing capacity, and low shear bearing capacity, so as to reduce on-site workload and facilitate construction Low noise and good shock resistance
Active Publication Date: 2021-03-30
BEIJING UNIV OF TECH
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Problems solved by technology
However, the cross-sectional area of special-shaped columns is limited, and under the influence of concrete strength and reinforcement ratio, it is difficult to increase the bearing capacity, low shear bearing capacity, poor ductility, and limited application
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[0042] In order to make the objectives, technical solutions and advantages of the present invention clearer, the embodiments of the present invention will be described in detail below with reference to the accompanying drawings. It should be noted that, the embodiments in the present application and the features in the embodiments may be arbitrarily combined with each other if there is no conflict.
[0043] For a prefabricated concrete frame structure, there are 3 floors in total, each floor is 2.7 meters high, the column grid is 5 spans of 7.2 meters in the longitudinal direction, and 3 spans of 5.4 meters in the transverse direction. figure 1 As shown in the figure, the outer diameter of the steel pipe of the CFST column 1 is 150mm, the wall thickness of the steel pipe is 5mm, Q345 steel is used, and the strength of the poured concrete is C40. Among the prefabricated corner columns 3, the prefabricated side columns 4, and the prefabricated central columns 5, the steel claddi...
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The invention discloses a frame system comprising a prefabricated steel tube concrete combined special-shaped column and an energy-consuming steel plate wall. The system mainly comprises prefabricatedcorner columns, prefabricated side columns and prefabricated middle columns, H-shaped steel beams, the energy-consuming steel plate wall with elliptical holes, prefabricated steel floors, column-column connection flanges, column-column connection rubber pads, column-beam connection parts, middle column-beam connection part, column-wall connection parts and the like, wherein the prefabricated corner columns, prefabricated side columns and prefabricated middle columns are made of circular steel tube concrete columns and steel batten plates; the column-column connection flanges, the column-beamconnection parts, the middle column-beam connection parts and the column-wall connection parts are welded and prefabricated with steel pipes; the structural parts are connected by high-strength bolts.A rubber pad is placed between the upper and lower columns to connect the flanges to enhance the connection. Energy-consuming steel wall and steel slabs open holes to improve the energy consumption and seismic performance of the structural system. The invention realizes full dry construction, no wet operation, simple and quick construction engineering, high construction efficiency, stable and reliable node connection, and good seismic performance of the structural system.
Description
technical field [0001] The invention relates to a frame system comprising an assembled concrete-filled steel tube composite special-shaped column and an energy-consuming steel plate wall, which mainly includes a steel-filled steel tube composite special-shaped column, a steel beam, a steel floor and an energy-consuming steel plate wall, and belongs to the field of novel building structure technology and structural seismic shock absorption . Background technique [0002] Special-shaped column refers to the column whose cross-sectional geometry is L-shaped, T-shaped, cross-shaped and in-line, and the ratio of leg height to leg thickness of each leg of the section is not greater than 4. The special-shaped column structure is evolved from the frame-shear wall structure, and is composed of special-shaped columns, beams, floors, and walls. The special-shaped columns have various structural forms, including reinforced concrete special-shaped columns, special-shaped concrete-filled...
Claims
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IPC IPC(8): E04C3/34E04B2/62E04B1/58E04B1/98E04H9/02
CPCE04B1/58E04B2/62E04C3/34E04H9/021E04H9/025
Inventor 周钰婧何浩祥吴山李易
Owner BEIJING UNIV OF TECH
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