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Built-in steel truss concrete combined huge size beam column frame and its manufacture method

A steel truss and concrete technology, applied in the field of giant frames, can solve the problems of affecting the vertical bearing capacity of the secondary structure, increasing the displacement angle between stories, and excessive deformation of the main beam, so as to improve the overall seismic capacity, prevent premature yielding, The effect of increased carrying capacity

Inactive Publication Date: 2010-06-02
沧州市建筑设计研究院有限公司 +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

The existing concrete girders with a height of about one floor have poor ductility, and the structural stiffness degrades significantly after cracking under earthquake action, and the interstory displacement angle increases rapidly
The giant beams support several sub-structural floors, which are not only the main lateral force-resisting members, but also the main vertical load-bearing members. Their yield may cause excessive deformation of the main beams and affect the vertical bearing capacity of the secondary structures; , the absolute value of its deflection is also large, if it yields prematurely, it may cause damage to the secondary structure and equipment, and it is difficult to repair it after the earthquake

Method used

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  • Built-in steel truss concrete combined huge size beam column frame and its manufacture method
  • Built-in steel truss concrete combined huge size beam column frame and its manufacture method
  • Built-in steel truss concrete combined huge size beam column frame and its manufacture method

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Effect test

Embodiment 1

[0054] The structural reinforcement diagram of the built-in steel truss concrete composite giant beam is as follows Figure 6 , Figure 7 and Figure 8 As shown, it is composed of steel concrete frame beams and concrete shear wall panels with steel diagonal supports 19 and steel bar diagonal supports 20 with built-in herringbone mesh arrangement. The shaped steel beam of the frame beam is I-beam 14, with longitudinal reinforcement 15 arranged around it, and rectangular stirrups 16 are evenly bound along the longitudinal reinforcement of the beam, and the stirrups of the frame beam are evenly distributed to the beam end; the reinforcement of the shear wall is, Horizontal reinforcement bars 17 and longitudinal reinforcement bars 18 of the shear wall panels are evenly arranged on both sides along the horizontal and vertical directions, and are bound and fixed at the intersection points to form two reinforcement meshes. The two ends of the longitudinal reinforcement bars 18 are r...

Embodiment 2

[0064] The second structural form of the built-in steel truss concrete composite mega-beam is as follows: Figure 9 As shown, an X-shaped mesh arrangement of shaped steel diagonal supports 19 and steel bar diagonal supports 20 is arranged on the inner side of the two pieces of steel mesh in the shear wall panel. Other aspects are the same as the first form.

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Abstract

The invention relates to an embedded-type steel frame and concrete huge beam frame and the manufacturing method, belonging to a huge frame structure system for high-rise building. The embedded-type steel frame and concrete huge column is special cylinder. The steel frame comprises section steel (6) in corner column (3), inclined support for section steel (9) and inclined support for steel bar (10). Inclined support of steel bar and section steel are special spirality in huge column. Section steel beam (14) is set in frame beam (13) of embedded-type steel frame and concrete huge beam. Steel frame is constituted in concrete shear wall by section steel beam, inclined support for section steel (19) and inclined support for steel bar (20). The embedded-type steel frame and concrete huge columnin invention is provided with better anti-twisted ability, prodigious intensity and rigidity of side force resistance, compared with ordinary huge column. The embedded-type steel frame and concrete huge beam is provided with high load capacity, slow attenuation of load capacity and rigidity, lessened breakage by shearing slip, compared with ordinary huge beam.

Description

technical field [0001] The invention relates to a giant beam-column frame with built-in steel truss concrete composite and a manufacturing method, belonging to a giant frame used in high-rise buildings. Background technique [0002] In the construction of high-rise residential buildings, large space and cost are important factors restricting its development. The application of mega-frame structures in high-rise residential buildings is proposed for these problems. The mega-frame structure is composed of a main frame and a sub-frame, also known as a main-sub-frame structure system. The main frame bears most of the horizontal loads and the vertical loads from the secondary structure. The secondary frame composed of ordinary beams and columns is set between the two main frames, which only plays an auxiliary role in the structure and energy dissipation under large earthquakes, and is responsible for transmitting the vertical load of the floor to the main frame. Therefore, the ...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): E04B1/00E04B1/18E04B1/30E04B1/98E04B2/56E04B2/84
Inventor 曹万林王敏张建伟
Owner 沧州市建筑设计研究院有限公司
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