
1. 重庆交通大学河海学院
2. 西北综合勘察设计研究院
纸质出版:2025
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徐千博, 周鑫, 彭是焱, 等. 基于近景摄影测量的结构面隙宽分形表征与各向异性研究[J]. 水力发电, 2025,(10):14-21+111.
为定量刻画岩石结构面内部隙宽的变化特征,以劈裂结构面为研究对象,采用便携式近景摄影测量技术,构建其内部空间三维点云模型;结合分形理论,分析不同方向采样轮廓线与区域的各向异性,并采用立方体覆盖法,研究三维隙宽曲面的尺寸效应。结果表明:便携式近景摄影测量方法误差接近影像比例尺法;不同采样方向的平均隙宽、分形维数及隙宽曲面分形维数均呈现明显各向异性;随着观测尺寸增大,分形维数先波动增大,后波动减小,最终趋于稳定。便携式近景摄影测量技术可有效定量描述结构面内部隙宽变化,且劈裂结构面隙宽具有各向异性和尺寸效应。
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周立,李杨,廖超龙,夏文浩,张理.单轴压缩条件下裂隙几何特征对岩石力学特性的影响研究[J].采矿技术,2024(01).
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