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Wind load simulation test method for double-pitched roof mobile house

A mobile house and simulation test technology, which is applied in aerodynamic tests, machine/structural component tests, measuring devices, etc., can solve the problems of difficult operation of wind load loading tests, and simplify the loading process in stages and loading methods , solve the effect of limited implementation

Active Publication Date: 2020-03-27
中国人民解放军陆军研究院特种勤务研究所
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Problems solved by technology

[0003] The present invention aims at the problem that the operation of the wind load loading test of the prefab houses in the prior art is difficult, and provides a wind load simulation test method for the prefab houses with double-slope roofs, in order to change the loading mode of the wind resistance test, by converting the wind load into multi-point The equivalent simulated wind load of the loading is carried out step by step loading test, so as to verify the wind resistance ability in the design of the prefabricated house

Method used

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  • Wind load simulation test method for double-pitched roof mobile house
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  • Wind load simulation test method for double-pitched roof mobile house

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Embodiment Construction

[0046] This embodiment takes the two-flail movable room frame as an example to describe in detail the wind load simulation test method for the main frame of the box-type movable room of the present invention. The windward side and the leeward side of the main body of the truss are respectively provided with three uprights 1 at equal intervals, one on each side, one central upright in the middle between the sides, and three oblique beams with an inclination angle of 20° on the top of the corresponding truss. °. The middle part of the frame between the inclined beams is the ridge. The height of the fence of the movable room is 2.6 meters, that is, the effective height of the columns is 2.668 meters, and the distance between the columns is 2 meters.

[0047] In the specific test process of this embodiment, the installation and fixation of the steel structure movable room frame is carried out at first, and the movable room frame is fixedly installed on the horizontal test site, b...

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Abstract

The invention relates to a wind load simulation test method for a double-pitched roof mobile house in the technical field of wind resistance detection of mobile houses. The wind load of the mobile house is converted into multi-point loaded equivalent static loads applied to main bearing components of a windward side and a north wind side through a transverse wind load analog loading device and a wind suction analog loading device; a step-by-step multi-point loading test is carried out so as to measure the displacement and the strain of each stressed beam column under each stage of wind load; the wind resistance performance of the prefabricated house structure is evaluated and verified, the loading mode and the graded loading process in the test process are simplified, graded loading and graded testing are conducted on main bearing components in a targeted mode, the safety of the test process is high, and meanwhile the problem that implementation of a large prefabricated house wind resistance test and a wind tunnel test is limited is solved.

Description

technical field [0001] The invention relates to the technical field of wind resistance detection of a steel structure frame of a prefab house with a double-slope roof, in particular to a wind load simulation test method for a prefab house with a double-slope roof. Background technique [0002] The steel structure double-slope roof mobile house is mainly based on standardized design, industrial processing and assembly installation to achieve special needs such as combination expansion, repeated disassembly and use, and plays an important role in field living, temporary troops and emergency support. Usually, mobile homes will face strong winds when they are used in the field, border defense and coastal areas. Therefore, it is necessary to focus on and investigate the structural wind resistance during design and product testing. However, it is difficult to choose a suitable site and a suitable wind force for the actual wind resistance test. Completion of relevant tests, wind tu...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G01M9/00
CPCG01M9/00
Inventor 赵晓文霍瑞丽高加伦顾刘勇梁宝錾连云峰代冬升李雅峰梁晓龙钟华王子林
Owner 中国人民解放军陆军研究院特种勤务研究所
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