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Overall jacking construction method for large-area bolt-sphere net rack

A technology of overall jacking and construction methods, which is applied in the direction of construction and building construction, to achieve the effects of simple construction, reduced risk of high-altitude operations, and the elimination of rod damage and rework

Active Publication Date: 2016-01-06
CHINA MCC20 GRP CORP
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] The present invention aims to overcome the defects of the prior art, and provides a construction method for integral jacking of large-area bolt ball net frame, which solves the problem of initial jacking of the net frame as a whole, and the synchronization of each jack during the overall jacking process ensures that the bolt ball The grid frame will not be deflected due to uneven force

Method used

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  • Overall jacking construction method for large-area bolt-sphere net rack
  • Overall jacking construction method for large-area bolt-sphere net rack
  • Overall jacking construction method for large-area bolt-sphere net rack

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Embodiment Construction

[0030] like figure 1 Shown: a large-area bolted ball grid overall jacking construction method, including the following steps:

[0031] Step 1: Determine the plane position of the assembly, level the site, position and set out the line, and the plane position is the orthographic projection position of the bolt ball net frame on the horizontal plane;

[0032] Step 2: Assemble the bolt ball net frame on the ground, from the middle to both sides, and start to assemble from top to bottom;

[0033] Step 3: Evenly arrange the short-distance lifting device of the large-scale network frame on the upper support point of the bolted ball network frame; Figure 4 As shown: the large grid short-distance lifting device includes a top plate 3, a support leg 1, a traction chain 4 and a suspension ring 2; the support legs are arranged on the bottom surface of the top plate, and there are at least three support legs arranged in a uniform circle; one end of the support leg It is connected with ...

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Abstract

The invention relates to an overall jacking construction method for a large-area bolt-sphere net rack. The overall jacking construction method for the large-area bolt-sphere net rack comprises the following steps of (1) determining the position of an assembled plane, and performing land-leveling operation and location paying off; (2) assembling the bolt-sphere net rack on the ground; (3) uniformly arranging large net rack short-distance lifting appliances at supporting points on the upper portion of the bolt-sphere net rack; (4) mounting jacking supports and hydraulic jacks at various jacking supporting points on the lower portion of the bolt-sphere net rack; (5) maintaining bolt-sphere net rack supporting structures on all the jacking supporting points at the same horizontal position; (6) mounting net rack overall jacking difference value measuring devices at the positions of the jacking supports; (7) jacking primarily; and (8) jacking normally. By the overall jacking construction method for the large-area bolt-sphere net rack, overall primary jacking of the net rack is realized, synchronism of the various jacks in an overall jacking process is guaranteed, and skewing of the bolt-sphere net rack due to uneven stress can be avoided.

Description

technical field [0001] The invention relates to a construction method for integral jacking, in particular to a construction method for integral jacking of a large-area bolt ball net frame. Background technique [0002] At present, for the jacking construction of the ultra-large-scale bolted ball net frame, the traditional construction technology adopts the unitary "four-point net frame overall jacking" construction method. Using human eyes to observe and measure with a steel tape after lifting, it is not practical to lift the grid frame with dense column spacing and less force on the rods. Using traditional methods will not only easily cause structural rods and jacks to be stressed during the jacking process It is not uniform, and it is easy to cause the offset of the grid frame and the deformation of the lower part, which will cause problems such as damage to the rods and shift of the grid frame, which will affect the construction quality and even delay the construction per...

Claims

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Application Information

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IPC IPC(8): E04B1/35
Inventor 岳锟尹兰宁代景艳董建波智巧玲李丹
Owner CHINA MCC20 GRP CORP
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