胶凝砂砾石料换填技术在某橡胶坝坝基处理工程中的应用

Application of cemented sand and gravel material replacement in foundation treatment of a rubberdam

针对泰安市大汶河综合开发工程中橡胶坝坝基处理存在的问题,通过方案比选,设计人员创新性地应用了碾压胶凝砂砾石料换填技术。经过合理选择配合比、严密组织碾压方案、科学施工、针对性地处理施工中存在的问题、认真检测,取得了较好效果,达到了加快进度、节约投资的目的,为今后类似项目建设的推广应用起到一定的参考借鉴作用。

Aiming at the problems existing in rubber dam foundation treatment in Tai＇an Dawen rivercomprehensive development project, the designer innovatively chose to use the replacement technologyof cemented sand and gravel（CSG） material. Through reasonable selection of mix ratio, well-organizedrolling scheme, scientific construction, pertinently dealing with the problems in construction and carefultesting, good results were achieved, worthy reference for similar projects.