多层地下室围护结构支撑替换的新型式

New Model of Support Replacement for Enclosure Protection Structure in multi-storey Basement

本文结合某地下室工程换撑的实例，叙述换撑的必要性与做法，着重探讨钢管砼作为换撑的手段在性能、机理上的优越性与实际取得的良好效果。

This paper attempts to expound the necessity and method of support replacement. It takes suppport replacement in some basement as a practical example to discuss the means to make use of steel pipe concrete as support replacement and its advantages regarding the and mechanics and the satisfactory effect pectice.