一种网架结构加固方案的探讨

结合工程实践对一种网架加固方案进行了探讨,最后为了充分利用已经施工的部分,节约工期,同时充分考虑加固方案的施工难易程度,选择在不改变计算模型的前提下加固结构的最简单的加固方案.通过工程处理,解决了网架变形问题.施工过程中的监测结果充分证明此加固方案是成功的,通过对检测数据的分析,发现网架结构的内力重分布明显,而且经过多次重分配后才达到最终平衡,这也正说明了网架是性能良好的空间结构,具有很强的内力调节能力.

Study of strengthening a space grid structure

A plan for strengthening a space grid structure has been discussed combining the engineering practice.In order to utilize the partial structure which had been constructed,save construction time,and advisement adequately the difficult and/or easy degree of the strengthening plan,a simplest plan for strengthening the grid structure has been chosen under the condition of unchanging the computational diagrammatic drawing.The problems of grid structure deformation have been solved by project treatment.The monitoring results during the construction process have shown that the presented strengthening plan is successful.Analyzing these data detected,it is found that the internal force redistributing is obvious.Equilibrium has finally reached by repeatedly redistributing the internal force.It is shown the space grid structure has a well capability of internal force adjustment.