APPLICATION OF DIGITAL IMAGING TECHNOLOGY OF BOREHOLE-WALL IN SEEPAGE CONTROL ENGINEERING OF THE ANCIENT TOMB
-
摘要: 全孔壁数字成像技术可以从侧视视角对整个钻孔的360°孔壁进行连续摄像,通过图像特征对孔内地质现象进行定性描述和定量分析,具有高分辨率、高井壁覆盖率和直观可信等特征。将全孔壁数字成像系统应用到某古墓防渗试验工程中,辅助勘察墓室上覆岩体的破碎情况,获取岩体破碎位置、破碎程度、裂隙产状等信息,分析墓室漏水原因,为防渗注浆设计及施工提供科学依据。Abstract: Digital imaging technology of borehole-wall may produce continuous 360° images of the boreholewall with high resolution and up to 100% borehole coverage, intuitive and convincible, from which geologic phenomena in the borehole can be qualitatively described and quantitatively analyzed.Digital imaging technology of borehole-wall with a wide range of applications, primarily for geotechnical engineering, oil industry, civil engineering, mining engineering, engineering geology and many other areas.Appling Digital imaging technology of borehole-wall to a tomb impermeable pilot projects, aided to survey tomb overlying rock broken, get rock crushing position, degree of fragmentation, fracture occurrence information, and analyze tomb leaking reasons, provide a scientific basis for the design and construction of impermeable grouting.
-
-
[1] 王川婴,LAW K T.钻孔摄像技术的发展和现状[J].岩石力学与工程学报,2005,24(19):3440-3448. [2] PRENSKY S E.A survey of recent developments and emerging technology in well logging and rock characterization[J].The Log Analyst, 1994,35(2):15-45. [3] 王德福,于景良,孙鼎俊.超广角井下电视系统在井下测量中的标定和应用[J].电子测量与仪器学报,1999,13(3):34-39. [4] 孙冠军,鹿明轩,庞云铭.全孔壁数字电视在检测某大型水电站坝体混凝土接缝的应用[J].三峡大学学报,2011,33(5):7-9. [5] WILLIAMS J H,JOHNSON C D.Acoustic and optical borehole-wall imaging for fractured-rock aquifer studies[J].Journal of Applied Geophysics,2004,55(1/2):151-159. [6] CUNNINGHAM J.Application of ground-penetrating radar,digital optical borehole images,and cores for characterization of porosity hydraulic conductivity and paleokarst in the Biscayne aquifer,southeastern Florida,USA[J].Journal of Applied Geophysics,2004,55(1):61-76. [7] CUNNINGHAM J,CARLSON J I,HURLEY N F.New method for quantification of vuggy porosity from digital optical borehole images as applied to the karstic Pleistocene limestone of the Biscayne aquifer,southeastern Florida[J].Journal of Applied Geophysics2004,55(1):77-90.
计量
- 文章访问数: 1874
- HTML全文浏览量: 159
- PDF下载量: 95
下载:
