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Installation method of large-span steel trusses

An installation method and technology of steel trusses, which are applied in construction, building structure, and construction material processing, etc., can solve the problems of insufficient steel truss assembly progress, accuracy, safety, etc. on the site, so as to save the cost of mechanical shifts and the installation progress Fast, quality controllable results

Inactive Publication Date: 2017-06-20
CHINA MCC17 GRP
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0015] The technical problem to be solved by the present invention is: to provide an installation method for large-span steel trusses, to solve the problem of progress, accuracy, safety and Quality issues

Method used

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  • Installation method of large-span steel trusses
  • Installation method of large-span steel trusses
  • Installation method of large-span steel trusses

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Embodiment 1

[0059] like Figure 1 to Figure 3 As shown, the crane station area 4 and the component stacking area 5 are located on the same side of the building 6, and the two cranes are respectively the first crane 2 and the second crane 3, and the first crane travel route 21 and the second crane travel route 32 are shown in the figure shown. The installation method of long-span steel truss 1 includes the following steps:

[0060]Step 1: Preparations

[0061] A1. Retest the elevation and center line of the steel column at the supporting point twice, and fine-tune until it meets the installation requirements of the large-span steel truss 1;

[0062] A2. The assembly site is cleaned, leveled, and compacted. The horse stool is finished, placed in place, and the level and elevation of the top of the horse stool are adjusted;

[0063] A3. The hoisting ground site is cleaned up, the crane walkway is backfilled in layers, compacted and accepted;

[0064] A4. The steel truss 1 has been manufa...

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Abstract

The invention discloses a large-span steel truss installation method, which belongs to the technical field of steel structure installation, and comprises the construction steps of preparation work→steel truss assembly→first long-span steel truss hoisting→subsequent steel truss installation. The large-span steel truss installation method of the present invention cannot meet the installation requirements for the assembly and hoisting site, especially for the large-span steel truss in a restricted space or cantilevered outside the support point, the installation progress is faster, the safety effect is better, and it is more economical The construction cost reduces safety risks, the ground assembly is convenient and fast, the installation progress and quality are effectively improved, the actual hoisting time is shorter, and the practicability is stronger.

Description

technical field [0001] The invention belongs to the technical field of steel structure installation, in particular to a method for installing a large-span steel truss. Background technique [0002] At present, with the development of society, there are more and more long-span steel trusses, and the structural forms are becoming more and more complex. The existing technology cannot meet the hoisting requirements, especially for those structures whose spans are overhanging and the bottom site cannot meet the hoisting requirements. However, the method of using steel brackets to support aerial docking cannot meet the requirements of the construction period, and there are many high-altitude operations, and the construction safety is poor. [0003] For example, the basic situation of a steel truss in a project: the height of the steel truss is 7.6m, the height of the support point is 42.0m, the span at the support point is 60.0m, the total length of the steel truss is 77.6m, the w...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): E04B1/19E04G21/16
CPCE04B1/19E04G21/16
Inventor 吴鑫贾正国汪柱兵陈闽
Owner CHINA MCC17 GRP
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