工程勘察行业常用钻进工艺的特点及优化分析  

Analysis on Characteristics and Optimization of Common Drilling Technology in Engineering Investigation

作　　者：董教社 屈炜佳 张文卓 刘高敏 Dong Jiaoshe;Qu Weijia;Zhang Wenzhuo;Liu Gaomin(Shanghai Urban Construction Design&Research Institute(Group)Co.,Ltd.,Shanghai 200125,China)

机构地区：[1]上海市城市建设设计研究总院(集团)有限公司,上海200125

出　　处：《岩土工程技术》2024年第4期379-383,共5页Geotechnical Engineering Technique

摘　　要：结合工程勘察的实际情况,分析了岩芯管钻进、螺纹钻钻进、三翼钻钻进和冲击钻钻进所适应的地层,介绍了各工艺钻进过程、对土体的扰动破坏情况、施工作业程序等特点,总结了这四类钻进工艺的优缺点。根据工程勘察实践经验及对各钻进工艺机理的分析研究,对于黏性土和以黏性土为主的夹层或混合土,从分层判别准确性、原状土采取质量和标准贯入试验数据可靠性分析,螺纹钻钻进工艺有绝对的优势。在工程勘察行业领域中广泛使用的四类钻进工艺目前并无重大突破,相关的各类钻进设备相对陈旧老化,进一步阐述了钻进工艺改进优化的研究进展,提出了工程勘察中钻进工艺的研究方向和期望。Combined with the actual situation of engineering investigation,the characteristics of core pipe drilling,threaded drilling,three-wing drilling and impact drilling,such as adapted strata,the drilling process,disturbance and destruction to soil,operation procedure,were analyzed.The advantages and disadvantages of these four kinds of drilling techniques were summarized in detail.According to engineering investigation experience and the analysis and research on the mechanism of each drilling process,threaded drilling has absolute advantages in terms of the accuracy of stratification discrimination,the quality of samples and the reliability of standard penetration test data for clay and interlayered or mixed soil dominated by clay.There is no major breakthrough in four kinds of drilling technology widely used in the field of engineering investigation,and all kinds of related drilling equipment are aging.This analysis further described the progress of improvement and optimization on drilling technology,and the research direction and expectation of drilling technology in engineering survey were put forward.

关 键 词：钻进工艺 岩芯管 螺纹钻 三翼钻 冲击钻 

分 类 号：P642[天文地球—工程地质学]