【摘要】 针对黑尼大桥修筑中存在的技术困难,采用物探手段对黑尼大桥岩溶发育情况进行勘察。在此基础上,对变更后岩溶路基的稳定性进行分析,并提出路基施工控制需要注意的问题。研究表明,黑尼大桥改为路基方案技术可行、经济节约、施工可控。更多还原

【Abstract】 Aiming at technical difficulties in construction of Heini Bridge,this paper investigates development situations of karst of Heini Bridge by means of geophysical prospecting.On this basis the paper analyzes stability of karst roadbed after change and proposes problems that should be noticed in control of roadbed construction.The research shows that change of schemes for roadbed of Heini Bridge is feasible in technology,saving in economy and controllable in construction.更多还原