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什么情况下会产生屋面积灰荷载?影响屋面积灰荷载取值有哪些因素?

问答题
2022-02-28 19:20
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正确答案

冶金、铸造、水泥等行业在生产过程中有大量排灰产生,易于在厂房及其邻近建筑屋面堆积,形成积灰荷载。当房屋离灰源较近,且位于不利风向下的屋面天沟、凹角和高低跨处,常形成严重的灰堆现象。设计时应考虑屋面积灰情况,合理确定积灰荷载,以保证结构的安全性。
影响积灰厚度的主要因素有除尘装置的使用、清灰制度的执行、风向和风速、烟囱高度、屋面坡度和屋面挡风板等。


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