李永鸿¹，郭海轮²，肖  兵³，赵述华²
(1 深圳市地铁集团有限公司，深圳518026; 2 深圳市建设工程质量监督总站，深圳518026; 3 深圳市勘察研究院有限公司，深圳518026)

[摘要] 深圳市某大厦挖孔桩存在严重质量问题，对事故原因进行了详细分析，在此基础上提出了高压注浆方法对存在问题的挖孔桩进行处理，后期抽检验证了该方法的有效性。
[关键词] 基桩质量；问题；处理；高压注浆

Analysis and disposal method to the quality defect of engineering pile
Li Yonghong¹, Guo Hailun²,  Xiao Bing³,  Zhao Shuhua²
(1 Shenzhen Metro Group Co.,Ltd., Shenzhen 518026, China; 2 Shenzhen Construction Engineering Quality Supervision Station, Shenzhen 518026, China; 3 Shenzhen Investigation Research Institute Co.,Ltd., Shenzhen 518026, China)

Abstract: The manual-hollowing pile had bad defect of quality of one edifice in Shenzhen. Based on the analysis of the cause, injecting paste with high pressure, was brought forward, and it proves that the method was efficient from the anaphase detect.
Keywords: quality ofpile foundation; question;  disposal; injecting paste with high pressure