大覆盖层下的高压旋喷试验桩施工技术  

Construction Technology of High-pressure Rotary Jet Test Pile under Large Overburden

作　　者：梁旭清 王振超 Xuqing Liang;Zhenchao Wang(Ningde Nuclear Power Project Department of the Second Company of CCCC Fourth Aviation Bureau,Ningde,Fujian,355209,China)

机构地区：[1]中交四航局二公司宁德核电项目部,福建宁德355209

出　　处：《工程技术与管理（新加坡）》2019年第10期146-150,共5页Engineering Technology & Management

摘　　要：为防止宁德核电厂北防波堤地基沉降,影响防波堤结构安全,采用高压旋喷桩的方式,对深厚人工填石层下的粉细砂及淤泥质土进行加固,本文主要对旋喷桩施工工艺、施工中质量控制以及常见问题与措施进行简要介绍。In order to prevent the foundation settlement of the north breakwater of Ningde Nuclear Power Plant and affect the structural safety of the breakwater,the silty sand and muddy soil under the deep artificial rock filling layer are strengthened by means of high pressure rotary jet grouting pile.This paper mainly introduces the construction technology,quality control and common problems and measures of rotary jet grouting pile.

关 键 词：厚覆盖层 引孔护臂 高压旋喷 质量控制 常见问题与措施 

分 类 号：U65[交通运输工程—港口、海岸及近海工程]