关虎冲隧道弃渣场灌浆自燃防治技术

On prevention technique for grouting spontaneous combustion of abandoned dreg sites at Guanhuchong Tunnel

针对关虎冲隧道大面积弃渣场自燃情况进行了分析,探讨了"降温—灭火—封堵"的灌浆防灭火措施,并对灌浆的基本情况作了介绍,详细阐述了弃渣自燃灌浆防灭火的施工方法,从整体上完成了对该弃渣场的自燃防治。

The paper analyzes the spontaneous combustion at large abandoned dreg site at Guanhuchong Tunnel,explores the“cooling,extinguis-hing,and blocking”grouting extinguishing measures,introduces the basic status of the grouting,and mainly illustrates the construction methods for the prevention and extinguishing of spontaneous dreg combustion,so as to achieve the prevention at the site from the whole.