水泥改性土填筑施工质量是影响膨胀岩( 土) 地区渠道边坡稳定性的重要因素。针对南水北调工程水泥改性 土换填的实际情况, 通过对传统路拌法、拌合站厂拌法施工工艺现场碾压试验结果的分析研究, 提出了一种新的水 泥改性土换填施工方法) ) ) 集中场拌法。该方法克服了路拌法和拌合站厂拌法的缺点, 已成功运用于南水北调中 线工程水泥改性土换填施工中, 为类似工程的施工提供了参考。

The quality o f cement2modified soil filling constructio n is an im po rtant facto r affecting the stability o f channel slope in the ex pansiv e rock( so il) reg ions. Accor ding to the replacement situation of cement2modified so il in t he South2t o2Nor th Wat er Di2 v ersion Project, a new cement2modified so il filling co nstr uction metho d, concentr atio n f ield mix ing metho d, w as pr oposed based on the analysis o f the field roller com pactio n experiment results of road m ix ing metho d and plant mix ing method. The new meth2 o d can ov ercome the disadvantages of road mix ing metho d and plant mixing metho d, and has been successfully applied to the ce2 ment2modified soil filling co nstr uct ion in t he Middle Route of South2to2Nor th Water Diversion Pro ject, w hich can pr ov ide r efer2 ence fo r the similar eng ineer ing pr ojects.

国家自然科学基金( 51109120) ; 宜昌市2013 年研究与开发计划自然基础科学研究与应用专项( AB2 302A208) ; 三峡大学人才启 动基金( KJ2012B041)