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断桥铝窗资讯

断桥隔热铝型材截面特性如何计算?

断桥隔热铝型材的计算惯性矩的计算方法是什么?

针对这个问题,大家提供了一些解决方法以供大家参考:

1、应该按照组合梁结构进行计算(材料力学有详细介绍),将其中一种材料转化为同一种材料,即分别将胶条转化为铝材、将铝材转化为胶条,然后按一般杆件计算原理计算其强度、刚度。

2、断桥隔热铝型材的惯性矩计算公式为:

Iid = (I1 + I2 + A1*a1*a1 + A2*a2*a2 ) * 常数 (c)

其中:I1、I2为两端铝材分别的惯性矩;A1为上段铝材的截面面积、A2为下段铝材的截面面积;C为隔热条的弹性常数;a1和a2分别为两段铝材中心与整段隔热型材中心的距离。其中弹性常数c应为隔热条生产厂商提供各种不同型号隔热条弹性常数不同。

3、这个公式有什么依据啊。因为铝的弹性系数与尼龙的相差25倍啊。

4、现在断热型材采用逐渐多了,可因为国家没有此方面的规范,计算上对铝型材截面参数的计算比较混乱,不知道谁有比较有说服力的计算方法供大家参考啊?象铝型材截面计算包括断热条部分吗?断热条是否单独计算?

5、我国的隔热型材国家标准已经执行了,主要内容均仿制”欧标“及“美标”。力学性能由原来的12N/mm、24N/mm提高到24N/mm(无实际经验的专家形而上学),但欧洲的惯性距计算公式未引入,我觉得可能是弹性常数C国内还难于给出(隔热型材惯性距与跨度有关).建议大家认真学习”欧标“及“美标”。泰诺风可提供不同型号隔热条的弹性常数C。经过计算比较,目前许多人通过简单连线计算惯性距是偏于危险的。

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