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Restrained-released type corrugated steel sheet as well as manufacturing process and structure thereof

A technology of corrugated steel plate and manufacturing process, which is applied in the field of corrugated steel plate, can solve the problems of not being able to meet the current situation of stress, and achieve the effect of improving buckling resistance and structural stability

Active Publication Date: 2013-12-04
ZHEJIANG CTB WAVEFORM STEEL WEB
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] The present invention aims at the disadvantages of traditional corrugated steel plates in the prior art that all adopt a single form of equal wave height and equal wavelength, which cannot meet the stress status of different bending distances and different heights, etc., and provides a corrugated steel plate with two ends constrained and middle release It is beneficial to improve the buckling resistance under the action of structural load; or the middle constraint, the two ends are released, which is conducive to improving the structural stability of the beam-shaped corrugated steel plate and its manufacturing process and the beam-shaped corrugated steel plate structure

Method used

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  • Restrained-released type corrugated steel sheet as well as manufacturing process and structure thereof
  • Restrained-released type corrugated steel sheet as well as manufacturing process and structure thereof
  • Restrained-released type corrugated steel sheet as well as manufacturing process and structure thereof

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Effect test

Embodiment 1

[0029] bundled corrugated steel plate, such as figure 1 , 2 , 3, 4, 5, and 6, the beam-shaped corrugated steel plate 1 is divided into a middle steel plate 11 and two-end steel plates 12, 13 along the height direction, and the wavelength of the middle steel plate 11 is greater than or smaller than the two-end steel plates 12, 13 wavelength.

[0030] The present embodiment is an intermediate beam corrugated steel plate or a drum-shaped corrugated steel plate. Such as Figure 4 As shown, the wave height of the middle steel plate 11 along the height direction of the bundled corrugated steel plate 1 is greater than the wave heights at both ends. And the wavelength of section A-A and section C-C is greater than the wavelength of section B-B; the wave height of section A-A and section C-C is smaller than that of section B-B. Among them, starting from the middle steel plate 11 in the middle of the middle beam-shaped corrugated steel plate, that is, the cross-section B-B surface, ...

Embodiment 2

[0038] bundled corrugated steel plate, such as figure 1 , 2 , 3, 7, 8, and 9, the beam-shaped corrugated steel plate 1 is divided into a middle steel plate 11 and two-end steel plates 12, 13 along the height direction, and the wavelength of the middle steel plate 11 is greater than or smaller than the two-end steel plates 12, 13 wavelength. That is, the wavelength of the middle steel plate 11 is not equal to the wavelengths of the steel plates 12 and 13 at both ends.

[0039] Such as Figure 7 As shown, in the present embodiment, the wavelength of the middle steel plate 11 is greater than the wavelength of the steel plates 12 and 13 at both ends, and the beam-shaped corrugated steel plate 1 is a central corrugated steel plate or a waist-shaped corrugated steel plate, and the cross-section A1-A1, cross-section C1- The wavelength of C1 is smaller than that of section B1-B1, and the wave heights of section A1-A1 and section C1-C1 are greater than those of section B1-B1. Among...

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Abstract

The invention relates to a corrugated steel sheet, in particular to a restrained-released type corrugated steel sheet as well as manufacturing process and a structure thereof. The restrained-released type corrugated steel sheet is divided into steel sheets at the middle and steel sheets at the two ends in the height direction; the corrugation length of the steel sheets at the middle is greater or less than the corrugation length of the steel sheets at the two ends. The manufacturing process comprises the following steps: A, taking a corrugated steel sheet with equal corrugation height and equal corrugation length; B, lengthening the corrugation length of the steel sheets at the middle or the steel sheets at the upper and lower end by means of drawing or striking. The structure of the restrained-released type corrugated steel sheet is that one end of the restrained-released type corrugated steel sheet is welded with a flange plate. According to the invention, the middle steel sheets of the common corrugated steel sheet are subjected to tensile force, so that the middle released type corrugated steel sheet can be manufactured through lengthening, and the structural buckling resistance under the load effect can be improved due to the restrained two ends and the released middle; or, the tensile force is applied to the two ends of the common corrugated steel sheet, so that the corrugated steel sheet with restrained middle part can be manufactured, and the structural stability can be improved due to the released two ends and the restrained middle part of the steel sheet.

Description

technical field [0001] The invention relates to a corrugated steel plate, in particular to a bundled corrugated steel plate, its manufacturing process and the structure of the bundled corrugated steel plate. Background technique [0002] At present, the traditional corrugated steel plate adopts a single form of equal wave height and equal wavelength. Due to the specific wave characteristics of corrugated steel plate and the wave height of wavelength are all in the same cross-sectional form, so that when the member bears the shear stress, it is consistent and uniform along the web height direction. However, the shear stress generated by the component when it is stressed is not completely consistent in each part of the component, and the requirement of the corrugated steel plate to resist buckling also changes with the height, so the single form of equal wave height and equal wavelength is different from that of different bending The high load and stress requirements do not ma...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): E04C2/32E04C3/06
Inventor 孙天明陆青锋
Owner ZHEJIANG CTB WAVEFORM STEEL WEB