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Cross beam string unit and cross beam string roof system and construction method thereof

A roof and system technology, applied in roofs, building components, buildings, etc., can solve the problems of limited structural stability, limited self-balancing ability, low bearing capacity, etc., achieve high structural stability, strong bearing capacity, and ensure construction. quality effect

Pending Publication Date: 2019-01-04
广东省第四建筑工程有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The string beam structure used in this string beam steel structure roof is all vertically arranged, which forms a good space force system in the vertical direction, but the space force in the horizontal direction is completely dependent on the sandalwood bars, and the self-balancing ability is limited, forming a vertical and horizontal stress system. The force system has the disadvantages of low bearing capacity and limited structural stability

Method used

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  • Cross beam string unit and cross beam string roof system and construction method thereof
  • Cross beam string unit and cross beam string roof system and construction method thereof
  • Cross beam string unit and cross beam string roof system and construction method thereof

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0031] refer to figure 1 , a cross string beam unit, which includes 2 string beams 10.

[0032] Each string girder 10 includes an upper string box girder 1, a lower string stay cable 2 and several web members 3, and the two ends of the lower string stay cables 2 in each string girder 10 are connected to the upper string box girder 1 through the cable lugs respectively. At both ends of the box girder, several web bars 3 are vertically arranged in turn, and the ends are connected between the upper string box girder 1 and the lower string stay cable 2 .

[0033] The two string beams 10 are intersected to form an X-shaped structure, wherein the middle parts of the two top string box girders 1 of the two string string beams 10 are cross-connected at 12 degrees to form an X-shaped top string box girder. The X-shaped upper chord box girder includes 1 X-shaped box girder 11 and 4 straight box girders, the X-shaped box girder 11 is located in the middle of the X-shaped upper chord box...

Embodiment 2

[0037] refer to Figure 3 to Figure 7 , a cross string beam roof system, which includes a number of string beams 10 and a number of sandalwood bars 5.

[0038] Several string girders 10 are arranged in sequence, each string string 10 includes an upper string box girder 1, a lower string stay cable 2 and several web members 3, and the two ends of the lower string stay cables 2 are respectively connected to the two ends of the upper string box girder 1 1. A plurality of web bars 3 are sequentially connected vertically between the upper string box girder 1 and the lower string stay cables 2 .

[0039] Several sandalwood slats 5 are sequentially connected transversely between the upper string box girders 1 of two adjacent string girders 10 to form a roof structure.

[0040] The string string beams 10 located at the ends of the roof structure are edge string string beams, and the string string beams at the edge portions are arranged longitudinally. Two adjacent string string beam...

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Abstract

The invention provides a cross beam string unit which comprises two beam strings, each beam string is provided with one upper string box beam, one lower string cable and a plurality of web members. Inparticular, the two beam strings cross into an X-shape, the two upper string box beams are cross-connected in 10 degrees to 15 degrees to form an X-shaped upper string box beam, and the two lower string cables are arranged crosswise up and down. The cross beam string has a good self-balance ability. The invention further provides a cross beam string roof system which comprises a plurality of string beams and a plurality of sandalwood bars, side portion beam strings are located at the end portion, and the other two adjacent beam strings form the cross beam string unit. The cross beam string roof system has the characteristics of high bearing capacity and high structural stability. The invention further provides a construction method of the cross beam strings roof system, the construction method comprises the steps that (1), connectors are pre-embedded; (2), temporary scaffolds are erected; (3), all the upper string box beams and the sandalwood bars are installed; (4), all the web members are installed; (5), all the lower string cables are installed; and (6), the construction is completed by installing all cross cable anchors after stretching the lower string cables. The construction method of the cross beam strings roof system has the characteristics of simple, fast and efficient construction technology.

Description

technical field [0001] The invention relates to the technical field of building construction, in particular to a cross-string beam unit, a cross-string beam roof system composed of the cross-string beam unit, and a construction method for the roof system. Background technique [0002] The tension beam structure is usually a self-balancing system consisting of rigid members, flexible cables, and several connecting rods in the middle, and belongs to the large-span prestressed spatial structural system. The string string structure can be divided into planar string beam structure and space string string structure according to the force characteristics. The planar string string structure refers to the string string structure whose structural members are located in the same plane, and the force in the plane is the main force. The planar string beam structure can be divided into three basic forms according to the shape of the upper chord member: straight string string beam, arch s...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): E04B7/14
CPCE04B7/14
Inventor 燕霄张富森杨曲波肖少武张剑锋康家就殷豪彭逸婷邱俊新
Owner 广东省第四建筑工程有限公司
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