端承摩擦桩后注浆与自平衡检测技术在超高层房建桩基工程中的应用  

Application of End Bearing Friction Pile Post Grouting and Self Balance Detection Technology in Pile Foundation Engineering of Super High-Rise Building

作　　者：聂青峰 陈冬 阳华 秦卿 陈飞 NIE Qingfeng;CHEN Dong;YANG Hua;QIN Qing;CHEN Fei(South China Branch of China Construction Second Engineering Bureau Co.,Ltd.,Shenzhen 518000;Shenzhen Luohu Talent Anju Co.,Ltd.,Shenzhen 518000)

机构地区：[1]中国建筑第二工程局有限公司华南分公司,深圳518000 [2]深圳市罗湖人才安居有限公司,深圳518000

出　　处：《现代制造技术与装备》2022年第3期132-135,共4页Modern Manufacturing Technology and Equipment

摘　　要：复杂地质条件下,超深的大直径嵌岩桩存在施工成本高、施工工期长以及质量控制难等问题。通过桩底、桩身后注浆技术,可大幅增强土体强度,提高桩底、桩身承载力,以减少桩长。通过工程的实际运用及监测,证明摩擦端承桩加桩侧桩端后注浆相比超深嵌岩桩,在缩短工期、保证质量以及节约工程造价方面均具有极大优势。Under complex geological conditions,the super-deep large-diameter rock-socketed pile has many problems,such as high construction cost,long construction period and difficult quality control,etc.Through grouting technology at the bottom and behind the pile,the soil strength is greatly enhanced and the bearing capacity of the bottom and body of the pile is improved to reduce the pile length.Through the practical application and monitoring of this project,it is proved that compared with ultra-deep rock-socketed pile,friction end bearing pile and side pile end grouting have great advantages in shortening the construction period,ensuring the quality and saving the project cost.

关 键 词：超深桩 超长桩 摩擦桩 后注浆 施工技术 

分 类 号：TU753.3[建筑科学—建筑技术科学]