公路桥梁预制中的波纹管防堵控制

Anti-blocking control of corrugated pipe in highway bridge prefabrication

对波纹管预应力孔道常见的几种堵塞现象的原因进行了分析,并提出了相应的预防措施,工程实践表明,提出的防堵措施控制效果良好,最终达到防止堵孔现象发生的目的。

The article analyzes the causes of several common blockade circumstances in corrugated pipe pre-stressed hole canal, proposes relevant preventive measures, and shows by engineering practices that the anti-blocking measure has well effect and achieves the purpose to avoid holeblockade.