地下结构Y型柱半刚性连接性能分析

Semi-Rigid Connection Performance Analysis of Subsurface Structure Y-Shaped Column

Y型柱具有增大跨度,提高建筑美感的作用,在荷载较大的地下结构中,大跨度和大净空的结构形式使Y型柱承受更大的荷载。论文依托新华大街站土建工程,采用数值模拟结合工程实际量测结果,对Y型柱上部叉部分和顶板的半刚性连接性质进行对比分析,为工程设计中的同类问题提供计算依据。

Using Y-shaped columns in design could increase the special span and enhance the beauty of architecture. However, as loads applied to the underground structure are large, the Y-shaped columns used for such structures with the large span and headroom have to bear larger loads than normal. Taking the construction project of Xinhua street station as an example, by combining numerical modeling with actually measured data, this article analyzed the mechanical characteristics of the semi-rigid connection between the upper fork structure and the roof,and provided a calculation basis for similar projects in future.