地铁工程高架段35kV环网电缆敷设方法研究

Research on the Laying Methods of 35 kV Ring Network Cable for the Elevated Section in Metro Engineering

地铁工程施工中存在许多难题,由于地铁交通高架段的可利用施工空间较小,温差变化较大以及桥梁本身的特殊结构对35 k V环网电缆敷设的造成了一定的难题。通过研究"采用刚性固定,并切割伸缩缝处的托臂"的方案,可高质量、顺利、安全地完成施工任务。通过施工实践证明该方案是科学合理的,所采取的一系列措施为施工提供了必要的技术保证。

In the metro engineering construction, there are many factors restricting the laying of 35 kv ring network cable, such as limited available space for construction, a relatively larger temperature difference, special bridge structure. Based on the scheme of ＂with rigid fixation, and cutting the corbel of expansion joint＂, the construction tasks could be finished smoothly and safely and with high quality. Practices proved that the scheme was scientific and reasonable, and the meas- ures taken for construction could provide the necessary technical guarantee.