丰满厂房钢屋架下弦杆断裂故障的应急加固技术--《吉林水利》2010年01期

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*p5\3aVm6n!R Q*I,Q0丰满厂房钢屋架下弦杆断裂故障的应急加固技术

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【摘要】:针对水电厂厂房钢屋架发生下弦杆断裂的故障,在结合该厂房结构特点和保证安全的基础上,进行了应急加固处理,其加固效果较好,使厂房可以满足机组发电和检修的安全需要。

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钢屋架是水电厂厂房屋面结构的重要组成部分,厂房立柱状态的改变可导致厂房桁架系的局部应力过大,杆件变形,诱发事故。水电厂厂房在长期使用中,受厂房大修、机电设备改造、电站扩建等工程影响,墙柱、桁架等结构的稳定状态通常会发生变化,在屋内外温差大的作用下,可能会造成钢水利论文e+m hO [F

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