提高钻孔灌注桩后压浆效果的研究  

Research on Improving the Post-Pressure-Grouting Effect of Bored Piles

作　　者：谢耀峰[1] 王云球[1] 等 

机构地区：[1]河海大学交通与海洋工程学院，江苏南京210098

出　　处：《水运工程》2002年第5期47-51,共5页Port & Waterway Engineering

摘　　要：为使持力层整体强度得到充分发挥 ,进一步提高后压浆钻孔灌注桩承载力 ,采取一些技术措施是必要的。准确计算出压浆管的长度 ,及时处理压浆管的上浮问题 ,并保证压浆管畅通 。In order to improve the integral strength of bearing course and further raise the bearing capacity of post-grouting bored piles, it is necessary to take some technical measures, such as accurately calculating the length of pressure-grouting pipe, solving the problem of floating timely, guaranteeing the smooth passage of grouting pipe, as well as grouting in stages.

关 键 词：钻孔灌注桩 后压浆 承载力 技术措施 压浆管 上浮 基础处理 

分 类 号：TU753.3[建筑科学—建筑技术科学]