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轻型房屋具有折叠方便、重复利用率高和机动性强等优势,故轻型房屋广泛应用与军事训练、抢险救灾及施工单位临时办公用房。由于该类房屋质量较轻且低矮,使用时一般处于大气边界层中风速变化大和湍流度高的近地区域,属于典型的风敏感房屋,所以在进行房屋结构设计时风荷载是其控制荷载。而目前国内外设计规范均参照双坡屋面房屋的风荷载体型系数,但影响轻型低矮房屋风荷载体型系数因素较多,故本文针对影响低矮轻型房屋的风荷载体型系数进行系统的分析,为低矮轻型房屋的抗风设计提供理论意义及工程应用价值。
Lightweight housing has the advantages of convenient folding, high repetition rate and high maneuverability. Therefore, light housing is widely used in military training, emergency rescue and disaster relief and temporary office space for construction units. Due to the light and low quality of such buildings, they are typical wind-sensitive houses in the near-surface area where the wind speed and the turbulence are high in the atmospheric boundary layer. Therefore, the wind load is the control load . However, at present, both domestic and foreign design codes refer to the wind load factor of double-slope roofing houses, but there are many factors affecting the wind load factor of light-weight low-rise houses. Therefore, this paper systematically analyzes the wind load factor of low- It provides theoretical significance and engineering application value for wind-resistant design of low and light houses.