体外预应力技术在梁式桥加固中的应用

Exploration on Application of External Prestressing Technology in Reinforcement of Beam Bridge

体外预应力技术是现代工程加固技术的主要技术种类之一,相比于传统技术而言,该技术加固稳定性较高,技术适应性好,同时具备成本低廉的基本优势,尤其适用于梁式桥梁的结构加固,能够为桥梁加固奠定良好根基。对体外预应力技术在梁式桥梁加固中的有效应用进行分析,并对其基础应用特点及施工中需注意的问题进行阐述,从而为该技术在梁式桥梁中实际应用提供参考。

External prestressing technology is one of major technique categories of modern engineering reinforcement technology. Compared with traditional technology,this kind of technology has higher reinforcement stability and good technical adaptability. Meanwhile,it has basic advantage of low cost,especially applicable to the structure reinforcement of beam bridge,which can lay a good foundation for bridge reinforcement. The effective application of external prestressing technology in the reinforcement of beam bridge is analyzed,the features of its basic application and problems needing attention in the construction are elaborated,so as to provide theoretical reference for the actual application of this technology in beam bridge.