Method for preventing high and large formwork full hall fastener type tubular steel scaffolding from lateral displacement
A technology of tall formwork and scaffolding, which is applied to the attachments of scaffolding, housing structure support, housing structure support and other directions, can solve the problems of small step distance of horizontal rod, low bearing capacity, low utilization rate of steel pipe strength, etc., and can increase the step distance. , Improve the effect of overall stable bearing capacity
Inactive Publication Date: 2013-09-04
NANJING INST OF TECH
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Problems solved by technology
Corresponding to the above structure, in the relevant theoretical analysis, the steel pipe scaffolding with full house fasteners has a large wave drum buckling instability mode, the bearing capacity is relatively low, the step distance of the horizontal rod is small, and the steel pipe strength utilization rate is low
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[0013] The present invention will be further described below. The following examples are only used to illustrate the technical solution of the present invention more clearly, but not to limit the protection scope of the present invention.
[0014] The method of the present invention is based on the standard construction requirements and construction methods of the traditional tall formwork full of fastener-type steel pipe scaffolding, and adds an anti-side-shift structure to the tall formwork exceeding the general 3-meter-high building. The specific implementation method is: in the tall formwork In the horizontal and vertical directions of the central part of the steel pipe scaffolding with fasteners, a row of cable wind rope bracing is provided every 15 meters, and a cable wind rope diagonal bracing is installed at each step along the height of the full hall scaffold. There are two symmetrical left and right bracings for each cable wind rope. The upper end is fixed with the i...
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The invention discloses a method for preventing high and large formwork full hall fastener type tubular steel scaffolding from lateral displacement. For a high and large formwork of a building with the floor height larger than 3 meters, rows of cable diagonal bracings are arranged on the central portion of a plane of the high and large formwork full hall fastener type tubular steel scaffolding in the transverse direction and the longitudinal direction, the distance between every two rows of cable diagonal bracings in the same direction is 15 meters, cable diagonal bracings are arranged in the height direction of the full hall fastener type tubular steel scaffolding, and the distance between every two cable diagonal bracings is a step pitch. According to the method for preventing the high and large formwork full hall fastener type tubular steel scaffolding from lateral displacement, on the basis of standard detailing requirements and a construction method of an existing high and large formwork full hall fastener type tubular steel scaffolding, the cable diagonal bracings which resist lateral displacement are added, a big-wave bulge bending buckling mode of the high and large formwork full hall fastener type tubular steel scaffolding is changed, the overall buckling strength of the high and large formwork full hall fastener type tubular steel scaffolding is improved, and the step pitch can be increased under the condition that the overall buckling strength is identical.
Description
[0001] technical field [0002] The invention relates to a formwork support technology, that is, the bearing capacity of a tall formwork support is improved through a tall formwork steel pipe fastener type full hall scaffolding anti-side movement structure, and belongs to the technical field of building construction. Background technique [0003] The tall formwork and fastener-type steel pipe scaffolding with a height of more than 3 meters in the general building is widely used in engineering. The bearing capacity of the full-wall fastener-type steel pipe scaffolding as a tall formwork support is based on experiments and theoretical research, and is guaranteed by the specific structure corresponding to the experimental and theoretical bearing capacity studies, forming the current national norms and safely carrying out engineering practice. [0004] In the relevant current national standards, a specific structure including vertical poles, longitudinal horizontal poles, horizo...
Claims
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Inventor 张厚先
Owner NANJING INST OF TECH