The bridge pier foundation of a certain highway is completely placed on the upper part of the giant karst cavity.By comprehensively analyzing and evaluating the stability of karst cave roof through qualitative,semi quantitative,and quantitative methods,the bridge type scheme was deter-mined.Then,through surface deformation monitoring,the rationality of the comprehensive stability evaluation method was verified.All these results offer technical references for highway route selection and bridge scheme comparison in karst areas,resulting in less expenditure,significant economic and social benefits.
维普
万方数据