1、

For measuring the rockwool material loss factor, the vibration beam method was measured. And the loss factor-frequency curve of rock wool material is fitted according to the testing results. ( 2) Damping properties of rockwool sandwich roof panel with standing seam system was studied.

采用振动梁法测量了岩棉材料的损耗因子,并根据试验结果拟合得出岩棉材料与频率相关的损耗因子曲线。(2)对直立锁边岩棉夹芯屋面板的阻尼性能进行研究。

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2、

Large span roof structures basically use metal roof system, which rockwool sandwich roof panel with standing seam system is widely used.

大跨屋盖结构基本上使用金属屋面系统,其中配合直立锁边系统的岩棉夹芯屋面板使用最为广泛。

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