锅炉工字型大板梁的技术设计

The Technical Design of Boiler I-shaped Girder

锅炉制造厂通常把600 MW以下锅炉顶板梁格作为一个独立的部件进行设计计算。大板梁与柱顶的连接明确规定为铰接,其他梁与梁的连接,不论结构形式如何,也一律按铰接计算。给出了锅炉两端简支工字型大板梁完整的技术设计方法,着重指出除了给出梁的一般强度和挠度计算方法之外,工字型大板梁整体稳定性设计,局部稳定性设计的重要性和通用方法。设计者必须认真进行相关的计算和结构设计才能保证锅炉的安全性。

Boiler manufactory gererally regard the roof girder units as an isolated part to cal- culate and design for boiler below 600 MW,also hinged flitch-girder and roof columniation is well-defined. As for other joints of the girder , no matter what structure form it is, calculate as hinged joint. This article describes full technical design method of boiler I-shaped plate girder and emphasizes the essentiality and general method for the whole stability design and the part stability design. The deviser must carry out correlated calculating and structure design seri- ously or order to ensure the safety of boiler