摘要
当前户用预制板屋面的电站支架结构多采用配重式方案,利用配重提供重力与摩擦力,使整体结构不发生滑移和倾覆,进而保证结构的安全性.然而由于屋面的承载能力有限,高风压区域无法适用.文章通过增加底梁及背拉的方法,可有效降低配重规格,并提升支架结构整体稳定性.以风压0.42 kN/m^(2),雪压0.48 kN/m^(2)区域为例,在满足安全性要求时,对比优化前后配重规格,结果表明:配重规格较优化前整体降低60%以上,同时成本降幅达5%以上,可为高风压区域的预制板屋面提供新的电站安装形式.
Currently,the support structure for residential precast slab roofs at power stations is mostly of the counterweight type,using counterweights to provide gavitation load and frictional resistance to prevent sliding and overturning.However,due to the limited bearing capacity of the roof,this scheme cannot be used in areas with high wind pressure.Increasing the bottom beam and back pull can effectively reduce the counterweight specification and improve the overall stability of the support structure.Taking an area with wind pressure of 0.42 kN/m^(2) and snow pressure of 0.48 kN/m^(2) as an example,the counterweight specifications are compared before and after optimization,provided that the safety requirements are met.The results show that the overall weight specification is reduced by more than 60%,and the cost by more than 5%.This provides a new form of power station installation for prefabricated slab roofs in areas with high wind pressure.
作者
孟文静
李海燕
王锦谟
MENG Wenjing;LI Haiyan;WANG Jinmo(Department of Mechanical and Electrical Engineering,Anhui Vocational College of Grain Engineering,Hefei 230000,China)
出处
《徐州工程学院学报(自然科学版)》
2025年第4期77-84,共8页
Journal of Xuzhou Institute of Technology(Natural Sciences Edition)
基金
安徽省高等学校自然科学研究重点项目(2023AH053271,2022AH053108)
安徽省职业与成人教育学会教育教学研究规划课题(AZCJ2023143)。
关键词
滑移与倾覆
配重
底梁
背拉
slip and overturn
counterweight
bottom beam
back pull
