预应力管桩与水泥搅拌桩组合技术在深基坑支护中的应用  

Application on combination technology of pre-stressed pipe pile and cement mixing pile in deep foundation pit support

作　　者：石彦明[1] Shi Yanming(Shanxi Coking Coal Group Real Estate Development Company,Taiyuan 030000,Shanxi)

机构地区：[1]山西焦煤集团房地产开发公司,山西太原030000

出　　处：《工程建设》2020年第7期54-58,共5页Engineering Construction

摘　　要：结合某项目的深基坑支护工程实例,介绍预应力管桩加水泥搅拌桩组合技术在深基坑支护中的应用,对支护设计方案、施工流程、质量控制要点与其适用性进行分析。实践表明:预应力管桩加水泥搅拌桩组合支护技术具有施工便捷、节能环保、安全可靠及经济实用等优点,具有一定的应用和推广价值。Combing with the engineering practice of deep foundation pit support of a project,the application on combination technology of prestressed pipe pile and cement mixing pile in deep foundation pit support project is introduced,and its support design scheme,construction process,control points and adaptability are analyzed. The practice shows that the combination technology on pre-stressed pipe pile and cement mixing pile has such advantages as convenient construction,energy-saving,environmental protection,safety,reliability,economy,practicality,etc.,which has a certain value of application and popularization.

关 键 词：深基坑支护 预应力管桩 水泥土搅拌桩 组合技术 冠梁 质量预控 

分 类 号：TU753[建筑科学—建筑技术科学]