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Construction method of spatial grid structure engineering

A technology of grid structure and construction method, applied in the direction of building structure and construction, can solve problems such as affecting the normal progress of the project, large occupancy rate of structure space, cumbersome construction method, etc. Increase the effect of dimensional stability

Inactive Publication Date: 2019-09-17
贵州百胜数源工程技术管理有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] However, the existing space grid construction method is too cumbersome. Due to the existence of a large number of nodes and rods during the construction process, the construction speed is low and the occupancy rate of the structural space is also large, which affects the normal progress of the project.

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0029] A construction method for a space grid structure engineering, specifically comprising the following steps:

[0030] Step 1. Check the positioning axis of the grid support, the specifications and positions of the support anchor bolts, the position, elevation and levelness of the top plate of the support surface, remove unqualified workpieces, and use the parts that do not meet the flatness and elevation. Flat plate;

[0031] Step 2: Weld the qualified materials, perform tensile test on the welded workpiece structure, remove the unqualified workpieces in the tensile test, identify and classify them according to the functions of different workpieces, and pack the classified workpieces Packing, transportation to the construction site;

[0032] Step 3: Determine the position of the space grid structure on the construction site according to the construction drawings, build a plurality of foundations in sequence along the outside of the space grid and parallel to the directio...

Embodiment 2

[0046] The difference from the embodiment is that in the thirteenth step, the form of one ball and two rods can also be adopted, specifically, the bottom string ball and two mutually perpendicular bottom string rods are installed at the same time to form a closed square grid, specifically:

[0047] Install the inverted triangular cone, hoist the small unit with one ball and three rods into the site, support the second oblique rod on the lower string ball, tighten the upper string rod above, make the upper string rod gradually approach the installed upper string ball, screw it in, and then Screw the slanting rod into the lower string ball hole, tighten it, and leave the other slanting rod idle;

[0048] Continue to install the bottom string ball and rod, one rod is screwed into the original bottom string bolt ball hole, one ball is at the front of the installation, and screwed in with the other oblique rod, the horizontal bottom string rod is installed in place, and both ends ar...

Embodiment 3

[0052] On the basis of the above embodiment, further, in the eighth step, the screwing-in depth of the upper chord does not affect the lower deflection of the entire grid structure;

[0053] Install the rods. During the installation process, the rods should not have initial bending, and no forced positioning and correction should be made. There should be no bending of the rods at the pressing rods;

[0054] Carry out the installation of the lower chord planar net frame, first assemble the lower chord grid, install the support in the first span, copy the column top axis, center line and elevation, and modify the error, and then install the first span Bottom chord rods and bolt balls form a longitudinal plane grid, and the pre-supply height of the bottom chord balls is adjusted by the support platform;

[0055] Arrange the temporary fulcrums to ensure the parallelism of the bottom string. According to the requirements of pre-arching, find the bottom of the slope on the temporary...

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Abstract

The invention discloses a construction method of spatial grid structure engineering, and particularly relates to the field of building construction. The construction method comprises the steps that 1, the positioning axis of a grid support, the specification and positions of support anchor bolts, and the position, elevation and levelness of a top plate on a supporting face are checked, unqualified workpieces are removed, and the parts with unmatched flatness and elevation are cushioned to be flat through steel plates; and 2, materials which are qualified after checking are welded, the welded workpiece structures are subjected to a tension test, unqualified workpieces in the tension test are removed, and the workpieces are identified and classified according to the different functions of the workpieces. The construction method of spatial grid structure engineering is regular, the shapes and the sizes of a large numbers of joints and rod pieces are the same, the methods utilized during mounting are the same, production is convenient, the product quality is high, on-site assembling is easy, the construction speed can be increased, the occupied space of a structure is small, the space can be utilized more effectively, and by adopting the mounting method, the space stability of the overall grid system can be greatly improved.

Description

technical field [0001] The invention relates to the field of building construction, and more specifically, the invention relates to a construction method of a space grid structure project. Background technique [0002] With the development of social economy, people's demand for activity space is increasing, and the application of space grid structure is becoming more and more extensive. The development of technology is also getting higher and higher, and the technical requirements for construction and supervision are becoming more and more strict. . [0003] The grid structure is a space structure composed of multiple rods connected through nodes according to a certain grid form. It has the advantages of small space force, light weight, high rigidity, and good seismic performance; it can be used as the roof of gymnasiums, theaters, exhibition halls, waiting halls, stadium stand awnings, hangars, and workshops with two-way large column spacing. [0004] However, the existin...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): E04B1/19
CPCE04B1/19
Inventor 夏思阳朱玛郭魁
Owner 贵州百胜数源工程技术管理有限公司
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