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Method for increasing horizontal cross braces and improving and determining bearing capacity of support frame

A support frame and scissors technology, applied in the field of support frames, can solve problems such as safety hazards, safety accidents, material waste costs, etc.

Active Publication Date: 2011-09-14
杭州二建建设集团有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0002] At present, the support frame used in the construction site is relatively free to set the horizontal scissors. Some do not set it, and the value of the critical load increase cannot be determined if it is set. There is no corresponding relationship between the horizontal scissors and the critical load after adding the horizontal scissors. , On the one hand, it causes material waste and increases the cost; on the other hand, it causes safety hazards, and some even cause major safety accidents

Method used

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  • Method for increasing horizontal cross braces and improving and determining bearing capacity of support frame
  • Method for increasing horizontal cross braces and improving and determining bearing capacity of support frame
  • Method for increasing horizontal cross braces and improving and determining bearing capacity of support frame

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Embodiment Construction

[0015] like Figure 1~3 As shown, the support frame includes a vertical steel pipe 4, a vertical horizontal bar 3, a horizontal horizontal bar 5, and a malleable iron fastener 6; 3 spans on one side, 2 spans on the other side; 1 span on the lateral side outside the loading area, no additional span on the other side; erection height 8.2m, pole step distance 1.5m, vertical pole spacing 0.9m, vertical pole horizontal spacing 0.9m; set vertical scissor braces 7 for every four rows of vertical poles in the vertical section or elevation around the loading area. 8 horizontal scissor braces are set on the horizontal plane of the first row of nodes and the third row of nodes in the range. The scissor braces are close to the nodes and fastened with fasteners at the junction of the horizontal rod or vertical rod; the support frame vertical rod, horizontal rod, scissors brace All use Φ48×3.2 steel pipes, and each node is connected with fasteners; the upper part of the bracket is supporte...

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Abstract

The invention relates to a method for increasing horizontal cross braces and improving and determining the bearing capacity of a support frame. The support frame comprises 10 strides in the longitudinal direction and 6 strides in the transverse direction, and is loaded in a range of 5 strides * 5 strides; 3 strides are arranged on one side in the longitudinal direction outside a loading region, and 2 strides are arranged on the other side; 1 stride is arranged on one side in the transverse direction outside the loading region, and no strides are arranged on the other side; the height of the frame is 8.2m, the step distance of vertical rods is 1.5m, the longitudinal spacing interval of the vertical rods is 0.9m, and the transverse spacing interval of the vertical rods is 0.9m; vertical cross braces are arranged on the peripheral vertical section or the vertical surface in the range of the loading region at the intervals of four rows of the vertical rods and buckled through bucklers in the positions of being jointed with the vertical rods or horizontal rods; the vertical rods, the horizontal rods and the cross braces of the support frame adopt phi 48*3.2 steel pipes; and an adjustable bracket is used for jacking the double phi 48*3.2 steel pipes at the upper part of a support for being used as a main beam for supporting load, the bottom part of the adjustable bracket is inserted into the vertical rods of the support for fixing, the distance from the upper surface of the adjustable bracket to the upper skin of a topmost transverse pipe of the support is 0.5m, and the adjustable bracket extends out of the vertical rods by 0.3m. The bearing capacity of the structure is improved, and the application prospects are broad.

Description

technical field [0001] The invention relates to a support frame used on a construction site, especially a fastener type steel pipe support frame, which can effectively improve and determine its bearing capacity by setting horizontal scissors braces. Background technique [0002] At present, the support frame used in the construction site is relatively free to set the horizontal scissors. Some do not set it, and the increase value of the critical load cannot be determined if it is set. There is no corresponding relationship between the horizontal scissors and the critical load after adding the horizontal scissors. On the one hand, it causes material waste and increases the cost; on the other hand, it causes safety hazards, and some even cause major safety accidents. Contents of the invention [0003] The purpose of the present invention is to provide a method for increasing and determining the bearing capacity of the support frame by adding horizontal scissor braces, and gi...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): E04G1/04E04G5/00E04G5/16
Inventor 刘群
Owner 杭州二建建设集团有限公司
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