型钢组合支撑在深大基坑施工中的应用

Application of Section Steel Composite Support to Underground Foundation Pit of High-Rise Building

介绍了应用于深大基坑施工的型钢组合支撑基本构造以及其中关键节点设计,并且从实际项目出发,介绍了型钢组合支撑的设计方案,包括支撑布置设计以及基坑监测点的布置等。监测结果证明:型钢组合支撑应用效果良好,达到了预期要求,为今后型钢组合支撑的推广应用提供了可参考经验。

The basic structure and key joints design of section steel composite support applied to the deep and large foundation pit construction are introduced.According to the actual project,the design scheme of section steel composite support is introduced,including the support layout design and the layout of foundation pit monitoring points,etc.The actual monitoring results prove that the application effect of the section steel composite support is good and the expected requirements are met,which can provide reference experience for the future promotion and application of the section steel composite support.