| 注浆沉降法建筑物纠偏加固机理与关键技术研究 |
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| 引用本文： | 汤文岗,李晓昭,黄慷.注浆沉降法建筑物纠偏加固机理与关键技术研究[J].工程地质学报(英文版),2005,13(4):551-556. |
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| 作者姓名： | 汤文岗 李晓昭 黄慷 |
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| 作者单位： | 南京大学地球科学系,南京,210093;江苏地质基桩工程公司,镇江,212000;南京大学地球科学系,南京,210093;上海市政工程设计研究院,上海,200092 |
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| 摘 要： | 结合用注浆沉降法并辅以高压旋喷注浆对某小区典型不均匀沉降建筑物进行纠偏和地基加固的工程实例,着重分析了注浆沉降法纠偏加固的技术原理,并讨论该工法的控制要点;对注浆浆液配合比、注浆孔平面位置、加固深度、注浆量、注浆压力、高压旋喷注浆等设计参数的影响进行了研究探讨,提出加强纠偏加固施工动态控制的重要性。研究和工程实践表明,用注浆沉浆法并选用合适的注浆参数进行建筑物纠偏和地基加固,能使建筑物不均匀沉降得到调整的同时,复合地基承载力得到提高,具有较好的建筑物纠偏和地基加固效果。
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| 关 键 词： | 纠偏加固 不均匀沉降 双液注浆 附加沉降 高压旋喷注浆 |
| 收稿时间： | 2005-02-25 |
| 修稿时间： | 2005-04-04 |
MECHANISMS AND KEY TECHNOLOGY OF RECTIFICATION AND REINFORCEMENT OF STRUCTURE BY GROUTING |
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| TANG Wengang,LI Xiaozhao,HUANG Kang.MECHANISMS AND KEY TECHNOLOGY OF RECTIFICATION AND REINFORCEMENT OF STRUCTURE BY GROUTING[J].Journal of Engineering Geology,2005,13(4):551-556. |
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| Authors: | TANG Wengang LI Xiaozhao HUANG Kang |
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| Institution: | 1.Department of Earth Sciences,Nanjing University,Nangjing 210093;2.Jiangsu Geological Foundation Pile Engineering Company,Zhenjiang212000;3.Shanghai municipal engineering design institute,Shanghai 200092 |
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| Abstract: | This paper discusses mechanisms and technical parameters of structure reinforced by grouting with an engineering case study. Jet grouting parameters and their influence on the design parameters such as grout grading, layout of grouting holes, grouting depth, grouting capacity and grouting pressure were discussed. Importance of dynamic control during the construction was emphasized. Monitoring results and analysis show that the two -shot grouting combining complementary jet grouting was effective and feasible way to rectify and reinforce a non - uniform settlement building. |
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| Keywords: | Reinforcement and rectification Non- uniform settlement Two -shot grouting Affixed settlement Jet grouting |
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