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我局會用“三支点法”对(?)薄腹梁作过加固。所谓三支点即在梁的底部設有三个类似支点的节点。我們的經驗是“三支点法”比起目前国內某些单位采用的两支点法(梁底有两个节点)优点更多一些但是,这是一种新的方法,我們也是刚刚使用,加以我们的技术业务水平不高,体会的不深,甚至錯誤亦难免,現在此介紹出来,目的是希望得到同志們的帮助。一、加固的设计和計算三支点方案的計算和两支点方案是相同的。考虑梁受有加固筋的外力和设計荷載的作用 ,核算梁的卸荷程度是否滿足要求。显而易見此时梁已不是原来的横向弯曲构件,而成
Our bureau will use the “Three-Point Method” to reinforce (?) Thin webs. The so-called three-point that is the bottom of the beam has three nodes similar to the fulcrum. Our experience is that the “three-point method” has more advantages than the two-point method (two nodes at the bottom of the beam) adopted by some units in the country at present. However, this is a new method and we have just used it and added it Our technical and business level is not high, the experience is not deep, and even mistakes are inevitable, and now introduced, the purpose is to get the help of comrades. First, the reinforced design and calculation The calculation of three-point program and the two-point program is the same. Considering the effect of the external force of the reinforcing rib and the designed load on the beam, it is calculated whether the unloading degree of the beam meets the requirements. Obviously at this time the beam is not the original horizontal bending member, and into