In current reinforcements of crane beams, there are some practices that change simply supportedcrane beams to continuous beams.
在对现有厂房吊车梁的加固改造过程中,也有改变吊车梁受力体系,将简支吊车梁改为连续吊车梁的作法。
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Currently, the domestic steel design software can only design and check crane beams with simply supported, there is no continuous crane beams software to meet the needs of projections.
This paper discussed the wreck of the small pole of portal crane is because the small pole supported greater add working stress in range - changing process.