摘要
钻探、物探等工程地质勘察数据是揭示工程岩体空间状态的原始数据,其大量原始数据的处理是工程岩体三维构模中存在的主要困难之一。从三维构模的角度出发,将工程岩体按几何特征抽象为连续性岩体、断裂岩体、倒转褶皱岩体和侵入岩体4种结构单元类型。由于钻孔数据是描述工程岩体的重要原始数据,且具有多尺度性的特点,以钻孔数据为例,提出原始数据的纵向概化准则、横向概化准则和纵横向协调准则的处理方法,解决工程岩体多尺度显示问题。根据地质学的地质数据解释方法,结合岩层层状分布的特点,提出工程岩体三维构模中急需的钻孔数据处理方法:原始数据纵向概化准则和原始数据层处理概化方法。利用层处理方法对实测钻孔数据进行概化处理,确定工程岩体所对应的结构单元类型,进而建立组合结构工程岩体三维模型,验证了所提出的钻孔数据处理方法的可行性。
A vast data from the drilling and geophysical prospecting are reliable original data to describe the space state of engineering rock mass, and one of the main difficulties in three-dimensional (3D) modeling of engineering rock mass is the processing of the primary data. In the view of 3D modeling, the engineering rock masses are classified as four basic types according to their geometric characteristics of geologic structure: (1) continuous rock mass; (2) discontinuous rock mass; (3) adverse fold rock mass; and (4) unstratified rock mass. Drilling data are the important data for rock mass description with the characters of multi-scale of the spatial data, and thus the criteria of processing drilling data is established. According to the characteristics of rock layers, the processing method of drilling data for 3D modeling of engineering rock mass is proposed, which includes vertical generalizing rule and layered method of processing generalizing rule for original drilling data. With this method, the data for 3D modeling of engineering rock mass is performed and the model form of engineering rock mass is established. Consequently, 3D modeling of engineering rock mass is proposed; and the feasibility of this method is proved to be successful.
出处
《岩石力学与工程学报》
EI
CAS
CSCD
北大核心
2005年第11期1821-1826,共6页
Chinese Journal of Rock Mechanics and Engineering
基金
国家自然科学基金重大项目(50490270)
创新集体基金资助项目(50221402)
教育部科学技术研究重大项目(10405)
高等学校博士学科点专项科研基金资助项目(20040290003)
关键词
岩石力学
工程岩体
钻孔数据
概化处理
三维建模
数据模型
Computer simulation
Data processing
Geophysical prospecting
Rock drilling
Signal reconstruction
Three dimensional computer graphics
