大直径劲性搅拌桩在黏土地区中的应用  

作　　者：杨立红[1] 

机构地区：[1]天津港航工程有限公司,天津300457

出　　处：《科技创新与应用》2021年第19期170-172,共3页Technology Innovation and Application

摘　　要：近年来,桩基础逐渐向大直径、超长桩基发展,劲性搅拌桩较同参数灌注桩,承载力显著提高,应用前景广阔。文章基于天津黏土地区,通过现场试桩试验,对劲性搅拌桩在施工中的关键工艺参数进行研究,并对其成桩质量及承载力进行检验,为大直径劲性搅拌桩在类似地质中的设计、施工提供借鉴。In recent years,the pile foundation has gradually developed to a large diameter and super-long pile foundation.Compared with the cast-in-place pile with the same parameters,the concrete core mixing pile has a significantly higher bearing capacity and a broad application prospect.In this paper,based on the clay area of Tianjin,through the field pile test,the key technological parameters of concrete core mixing pile in construction are studied,and its pile quality and bearing capacity are tested.The purpose of this paper is to provide reference for the design and construction of large diameter concrete core mixing pile in similar geology.

关 键 词：劲性搅拌桩 黏土 施工工艺 承载力 

分 类 号：TU753.3[建筑科学—建筑技术科学]