Full-size low-rise-building wind load simulation system applicable outdoors

Abstract

The invention discloses a full-size low-rise-building wind load simulation system applicable outdoors. The full-size low-rise-building wind load simulation system comprises a wind tunnel and a rotarytable and a typhoon wind pressure measuring device which are arranged in the wind tunnel, the wind tunnel is mainly formed by a tunnel body, a drive system and a measurement control system, the typhoon wind pressure measuring device is arranged above the rotary table and is driven to rotate in a deflection manner through the rotary table, the typhoon wind pressure measuring device is mainly formedby a roof, pitched roofs and eaves, the pitched roofs are hinged above the roof, the eaves are arranged at lower ends of the pitched roofs to be hinged with the roof, a lifting mechanism is connectedto lower sides of the pitched roofs, and a telescopic structure is hinged between the eaves and the roof. The full-size low-rise-building wind road simulation system is simple in structure and largein variable range, structural changes can be performed according to actual needs, features of low-rise-building wind load can be reflected visually, accurately and truly, wind tunnel tests and numerical simulation can be guided, and great significance of research results is achieved to wind-resistant research of low rise buildings of villages and towns in the southeast coastal areas of China.

Description

technical field [0001] The invention belongs to the field of wind tunnels, and in particular relates to a full-scale low-rise building wind load simulation system applicable to the field. Background technique [0002] The destructive effect of typhoons is mainly aimed at building structures. If the ability of building structures to withstand typhoons can be improved, the economic losses caused by typhoon damage will be greatly reduced. Most of the eastern coastal areas of my country are dominated by low-rise buildings, and this type of building is the most vulnerable structural form in typhoons. In order to improve the ability of building structures, especially low-rise buildings On-site measurement has become a very important basic and long-term direction in the study of structural typhoon resistance. [0003] Most of the existing on-site measurement devices are buildings directly set up in the typhoon landfall area. Although the actual measurement and research can be carri...

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Problems solved by technology

[0003] Most of the existing on-site measurement devices are buildings directly set up in the typhoon landfall area. Although the actual measurement and research can be carried out in the typhoon landfall area according to the actual situation of the typhoon landfall, the research conditions are relatively passive, and the research time is relatively short. Difficulty in collection and low test efficiency, resulting in long-term vacancy of test equipment in non-typhoon weather, unable to realize rational utilization of resources

In addition, because the angle of the roof is very sensitive to wind pressure, the roof and the eaves of the existing measurement device cannot be adjusted synchronously, and the angle between the roof, the eaves, and the roof cannot be fixed at a certain value during the roof adjustment process. , so that no effective comparison can be made, resulting in poor reliability of test results

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