超高性能混凝土可装配式支护结构分析

Analysis of Ultra-High Performance Concrete Prefabricated Support Structures

超高性能混凝土,以下均简称为UHPC,是目前来说最具有创新性的水泥基工程材料,该材料的出现使得工程材料性能实现大跨越,基于此,本文设计出一种用于基坑支护的可装配式结构,并基于等效刚度理论给出求解该结构刚度的公式,进而对其支护稳定性及其承载力特性进行了分析,然后得出结论,发现满足相关的规范要求。最终,该结构在太原武宿机场某基坑中得到运用,通过相关计算发现满足要求,证实了该结构在实际工程中的可行性。

Ultra-high performance concrete,hereinafter referred to as UHPC,is the most innovative cement-based engineering material at present.The emergence of this material causes a great advancement in the performance of engineering materials.Based on this condition,this paper designs a prefabricated structure for foundation pit support,and gives a formula to solve the structure stiffness based on the equivalent stiffness theory,then analyzes its support stability and bearing capacity characteristics,and subsequently concludes that it meets the relevant specification requirements.Finally,the structure is used in a foundation pit of Taiyuan Wusu Airport,and it meets the requirements through relevant calculations,which confirms the feasibility of the structure in practical project.