浅议桥梁桩基施工中的溶洞处理

Discussion on Cave Treatment of Bridge Pile Foundation Construction

武汉市高新四路豹澥河桥梁工程的钻孔灌注桩桩基施工中,以桩端下6米完整基岩(无溶洞)为持力层。部分岩层中存在全填充和半填充式溶洞,对不同洞高和洞内状况确定处理方法,主要采用抛填法和灌注混凝土填充法施工。

In the bored pile foundalion construction of bridge project in Baoxie fiver near high-tech four road in Wuhan city, the complete Bedrock （without cave）, 6 meters under Pile Tip, is the bearing layer. Full filled and half filled type cave exist in some strata, to know the different high hole and hole condition, the throwing and fillim method and pouring of concrete filling construction method are mainly used.