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Prestressed giant brace-frame structure

A frame structure and prestressing technology, applied in the direction of structural elements, building components, building structures, etc., can solve the problems of increasing the complexity of construction and expensive materials, reducing the number of supporting nodes, offsetting peak stress, and structural stiffness. improved effect

Inactive Publication Date: 2012-01-25
JIANGSU UNIV OF SCI & TECH
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  • Summary
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  • Claims
  • Application Information

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Problems solved by technology

In the traditional frame-support system, no matter whether it adopts rigid support or flexible support, no matter it adopts central support or eccentric support, since the support is always set between adjacent columns and adjacent floors, there will be more connection nodes. It not only increases the complexity of construction, but also consumes a lot of materials for the nodes, which makes the overall cost of the project expensive

Method used

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  • Prestressed giant brace-frame structure
  • Prestressed giant brace-frame structure
  • Prestressed giant brace-frame structure

Examples

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Embodiment Construction

[0021] The present invention can be implemented according to the following schemes:

[0022] like figure 1 The multi-layer prestressed megabracing-frame structure shown is composed of frame beams 1, frame columns 2 and prestressed megabraces 3. The frame beam 1 and the frame column 2 are both welded H-section steel, and the beam and the column are rigidly connected to form a frame. The prestressed giant bracing 3 is a high-strength steel tie rod, two of which cross each other into an X shape and are close to the frame plane. Each prestressed giant bracing spans 5 floors longitudinally and 4 to 5 column spacings horizontally. The two ends are respectively connected with the distant frame columns 2 to form a structure in which the middle is in the shape of a prism and the edges are in the shape of a half prism.

[0023] like figure 1 , image 3 and Figure 4 As shown, the middle of each prestressed giant support 3 is provided with a snap member 4 which is sleeved on the pre...

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Abstract

The invention discloses a prestressed giant brace-frame structure which consists of frame beams, frame columns and prestressed giant braces. The frame beams and the frame columns are connected to form a frame; the prestressed giant braces cling to the frame plane, the two braces are intersected, span a plurality of floors in the longitudinal direction and stretch across a plurality of column spans respectively and form an included angle with the horizontal line, two ends are respectively connected with far-apart frame columns to form a plurality of structures with centres being prismatic and edges being hemiprismatic. The prestressed giant braces are flexible stay ropes, wherein the centres are provided with a plurality of buckle members which are sheathed on the prestressed giant braces and are fixedly connected with the frame columns. After the installation of the frame beams and the frame columns, the stay ropes are installed and are scratched. The prestressed giant braces effectively improve the frame lateral rigidity and reduce the number of the connecting nodes of a traditional frame-brace structure greatly, thus being convenient for construction and reducing the usage of nodes; reasonable prestress can improve the force distribution in the structure, thus improving the stability of the whole structure.

Description

technical field [0001] The present invention relates to a multi-high-rise building structure, more particularly, to a prestressed giant bracing-frame structure. Background technique [0002] Frame structure and frame-support structure are the common structural forms of multi-high-rise buildings at present. The frame structure is a flexible system, and the applicable building height and seismic intensity are limited. When the lateral stiffness of the frame is difficult to meet the technical and economic requirements, supports are arranged between the columns of the frame to form a traditional frame-support system. A giant support proposed in the literature (L. Di Sarno, A.S. Elnashai. Bracing systems for seismic retrofitting of steel frames. Journal of Constructional Steel Research, 65(2009): 452-465) is actually still a traditional diagonal support, but only Just change the layout. In the traditional frame-support system, whether rigid support or flexible support is used,...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): E04B1/18E04B1/24E04B1/30E04C5/08
Inventor 唐柏鉴蒋志勇
Owner JIANGSU UNIV OF SCI & TECH
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