厚表土中竖井井壁破裂影响因素及防治技术

On the factors influenced the wall cracking of vertical shaft in alluvium and its preventive technique

分析了厚表土中竖井井壁破裂机理,探讨了影响其井壁破裂的与井壁、表层疏排水层、井筒周围土层、温度有关的各个因素,提出了防治技术路线,对解决厚表土中竖井井壁破裂具有一定的指导意义。

The following paper analyzes the cracking mechanism of vertical shaft wall in alluvium, discusses its influenced factors as shaft wall, surface displacement layer, soil strata surrounded shaft and temperature, and proposes the route of preventive technique, which has a certain guiding significance for the settlement of wall cracking of vertical shaft in alluvium.