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Large-span rigid gable space grid-three-sections composite cable arch (truss)-membrane structure system

A space grid, large-span technology, applied in the direction of arched structure, dome roof structure, building components, etc., can solve the problem of reducing the total cost of engineering construction, achieve multiple load transfer paths, easy to manufacture and install, architectural modeling beautiful effect

Active Publication Date: 2019-01-18
BEIJING UNIV OF TECH
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

At present, the sealing of coal storage mainly adopts the form of long-span steel structure covered with colored profiled steel plates, and the load-bearing mainly adopts grid frame, reticulated shell, arch structure, prestressed cable arch, tension string structure, etc., and adopts the existing structural system It is difficult to adopt technical means to reduce the total cost of engineering construction

Method used

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  • Large-span rigid gable space grid-three-sections composite cable arch (truss)-membrane structure system
  • Large-span rigid gable space grid-three-sections composite cable arch (truss)-membrane structure system
  • Large-span rigid gable space grid-three-sections composite cable arch (truss)-membrane structure system

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Embodiment Construction

[0019] The implementation includes the following steps:

[0020] All components of the middle three-section combined cable-arch truss structure (2) should be processed in the factory to ensure the accuracy of cutting and the quality of welds. When the components are transported to the construction site, it is recommended that the ground is assembled in blocks, hoisted in blocks, and spliced ​​to minimize high-altitude operations.

[0021] The supporting cable system is composed of a lower cable (6) and a straight web rod (7). The lower cable (6) and straight web rod (7) are all prefabricated in the factory and shipped to the site for installation.

[0022] Install the cable (6). Fix one end of the stay cable to the lower chord end node of the middle arch truss of the three-segment composite truss structure, and temporarily fix the cable body at the node (8). At this time, the cable is not clamped to ensure that the cable can slide smoothly . The tension tool is used to pull the o...

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Abstract

The invention discloses a large-span rigid gable space grid-three-sections composite cable arch (truss)-membrane structure system, belongs to the field of large-span space structures, and is particularly suitable for buildings such as yard sealing and the like. The membrane structure system mainly comprises a rigid gable space grid, a middle three-sections composite cable arch truss and a cable membrane structure with the functions of vertical bearing and enclosure building. The membrane structure system is mainly characterized in that the self-stabilizing space grid gable bears longitudinal wind load, the three-sections composite cable arch trusses bear transverse horizontal load, and the cable membrane structure bears roof vertical load and maintenance covering. The membrane structure system utilizes the tensioned membrane structure, has the functions of structural stress and building enclosure, and can effectively reduce the construction cost, improve the economy of the structure, relieve the construction cost pressure faced by the construction of a large-span yard closed building, and has wide application prospect.

Description

Technical field [0001] The invention relates to the field of large-span cable-membrane roof structures, in particular to a large-span rigid gable spatial grid-three-section combined cable arch (truss)-membrane structure system, which belongs to the technical field of International Patent Classification E04B. Background technique [0002] With the rapid development of my country's economy, a large number of coal yards and stock yards for power plants, steel plants, coal and ore transfer terminals have been built. These coal yards and stockyards have a large accumulation area and need to use bucket wheel machines to reclaim materials. If the building is closed, the investment is relatively large and there is no direct economic benefit. Therefore, the above-mentioned storage yards were mostly open-air storage in the early days. In recent years, in order to reduce the impact of dust on the environment, it is necessary to close the currently used storage yard, but the basic functions ...

Claims

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Application Information

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IPC IPC(8): E04B1/342E04B1/32
CPCE04B1/32E04B1/342E04B2001/3229E04B2001/3247
Inventor 李雄彦云孝艳薛素铎
Owner BEIJING UNIV OF TECH
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