旧管修复技术的合理选用

Reasonable Selection and Use of Old Pipe Repairing Technique

城市给排水管网是市政设施的重要组成部分,肩负着城市供水及污、雨水排放等重要功能。随着城市的飞速发展,使管道的更新改造采用传统的“开挖”作业方式越来越困难,故非开挖修复可弥补其不足。其中,HOBAS衬管修复技术具有施工简便、耐腐蚀、综合造价低、使用寿命长等特点,具有广阔的使用前景。

The urban water supply and wastewater pipe network is the important composed part of the municipal infrastructure, and takes on the important function of supplying the urban water and discharging the sewage and rainwater. With the urban development at very fast speed, the conventional 'excavation' working method used for the renewal and rebuilding of the pipes is more and more difficult. Therefore, the excavation and repair can make up the shortage. HOBAS liner pipe repairing technique has the characteristics of the simple and convenient construction, anti-corrosion, low integrating construction cost and long service life, and has the wide use foreground.