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Multifunctional air bag test device

A test device and airbag technology, which is applied in the field of construction engineering, can solve problems that cannot be considered, large deviations in results, and the influence of torsional constraints

Pending Publication Date: 2017-08-04
JIANGXI HANGXIAO STEEL STRUCTURE
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  • Abstract
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AI Technical Summary

Problems solved by technology

[0003]Problem 2: The bearing capacity of the purlins under the enclosure (including the two cases of wind exposure force and gravity load) is calculated and determined according to the national technical specifications. The bearing capacity of the purlin is controlled by its overall bending and torsional instability or distortion instability. The enclosure plate connected to the purlin has a great influence on the torsional restraint of the purlin. This effect of the enclosure plate cannot be included in the national technical specifications. Considering or not being able to fully consider, so the calculation results have a large deviation. It is an important way to solve this problem by using the airbag test to simulate the wind unloading force and simulate the gravity load to study the stability of the purlin. At present, this research is still in the blank

Method used

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Embodiment Construction

[0017] [1] The present invention will be further described below in order to fully understand the present invention. The present invention can obviously be implemented in a variety of other ways different from this description. Do similar promotion and deduction, therefore, the specific content described here should not limit the protection scope of the present invention.

[0018] [2] The illustrations of the present invention are schematic, and the illustrations are mainly to illustrate the technical meaning, and are not drawn according to the scale of the drawing. The specific implementation description here gives the specifications and sizes of various specific components, but it can be used Replacement of other similar specifications and dimensions should not be taken as limiting the protection scope of the present invention.

[0019] [3] The various dimensions of the box design of the present invention match the span of conventional purlins in engineering, which should no...

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Abstract

The invention discloses a multifunctional air bag test device. The test device mainly comprises an air bag box, a blower, a fixed test piece connecting plate, an air bag membrane sealing fixing pressing strip, a safety guard bar and a rubber sealing fin. Apart from being used for testing wind uplift resistance of a metal enclosure plate, the multifunctional air bag test device can also be used for testing stability performance of a purline under metal roofing board constraint condition, can simulate a wind uplift force effect and a gravity load effect, and can perform a stability performance test of the purline under the two totally different load effects.

Description

technical field [0001] The invention relates to the technical field of construction engineering, in particular to a multifunctional airbag test device. Background technique [0002] One of the problems: the wind-resisting bearing capacity of the envelope structure system of a steel structure building cannot be determined by formula calculation, nor can it be determined by design specifications. It can be determined by wind tunnel test, but the cost is extremely expensive. Airbag loading is used to simulate wind load test. Simple and convenient, the cost is very low. Insurance companies in western developed countries require the building envelope to undergo wind-resistance test certification (the so-called FM certification) when insuring the building envelope, using the airbag test method. There is no certification requirement in this area in China, and there is no calculation method for the enclosure structure in the national standards, so there are cases where the enclosur...

Claims

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Application Information

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IPC IPC(8): G01M9/00
CPCG01M9/00Y02E10/50
Inventor 陈友泉郭立湘吴华英江涛高佰颜孔丽君
Owner JIANGXI HANGXIAO STEEL STRUCTURE
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