Installation method for special-shaped arch shell type construction network frame

An installation method and network frame technology, which are applied in the direction of buildings, building components, building structures, etc., can solve the problems of complex shapes, difficult control of installation accuracy, and many high-altitude assembly operations

Inactive Publication Date: 2009-06-17
WUHU TIANHANG TECH GRP
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Problems solved by technology

[0002] In large-scale construction projects, such as stadiums and public buildings, special-shaped arch-shell building grids are often used. The span is about 30 to 120 meters. The span is large, the shape is complex, and there are many assembly operations at high altitudes. The installation method of the frame, there is a large installation stress, the installation accuracy is difficult to control, and the construction period is long

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  • Installation method for special-shaped arch shell type construction network frame

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Embodiment Construction

[0014] The preferred embodiment of the gymnasium is used to illustrate the installation method of a special-shaped arched shell building grid in the present invention. The shape of the engineering roof is four petals symmetrically distributed along the X and Y axes, and each petal is composed of two sub-spheres. The grid structure is located on 24 supports, and the axis of the supports is distributed in an ellipse, with a maximum span of 57.04m×70.2m. The span of four main bearing supports is 47m×57.04m, and 20 auxiliary supports are rubber supports. seat. The height of the column tops ranges from 7.4m to 19.8m. The grid structure is a triangular pyramid system, and the height of the grid ranges from 2.0m to 2.3m. The highest ridge of the net frame is 25.15m. The net frame is located on the third floor of the gymnasium, and the center is the second-floor basketball court. The manufacture of grid components mainly includes: bolt balls, rod combinations, supports, etc. The pr...

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Abstract

The invention discloses a method for installing an irregular arched shell type building net rack, which comprises the steps: 1) a main carrier belt is determined, a net rack model is set up, and the section of the net rack component is determined; a permanent, a movable and a wind loads on the structure are dismounted, the equant part between an upper chord second lattice and a lower chord first lattice is taken as the main carrier belt, and a check calculation model is formed; adjustable horizontal force or vertical force is applied at the position furthest from a cantilever of the main carrier belt to lead the synchronous displacement deviation between the main carrier belt and characteristic points not to be more than 2mm; 2) preparations for construction are carried out; 3) measurement and repetition measurement are carried out; 4) a falsework is set up; 5) preparations for installation are carried out; 6) a support saddle is installed; 7) field measurement is carried out; 8) the main carrier belt is installed and regulated; 9) the main carrier belt is folded; 10) components are spliced in a zoning way. By adopting the way, the method for installing the irregular arched shell type building net rack can ensure the installation accuracy, reduce the assembly stress of the components, guarantee the installation quality, shorten the construction period and reduce the construction cost.

Description

technical field [0001] The invention relates to the construction field, in particular to a method for installing a special-shaped large-span building grid. Background technique [0002] In large-scale construction projects, such as stadiums and public buildings, special-shaped arch-shell building grids are often used. The span is about 30 to 120 meters. The span is large, the shape is complex, and there are many assembly operations at high altitudes. The installation method of the frame has a large installation stress, the accuracy of the installation is difficult to control, and the construction period is long. Contents of the invention [0003] The technical problem to be solved by the present invention is to provide a method for installing the special-shaped arched shell-type building network frame. The installation method of the special-shaped arched-shell type building network frame has less installation stress, can ensure the accuracy of installation, and shorten the...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): E04B1/32E04B1/342E04B1/19
Inventor 叶国平戴平安冯斌
Owner WUHU TIANHANG TECH GRP
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