基于线形台阵的高精度微动技术在城区岩性地层精细划分中的应用
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陈基炜, 赵东东, 宗全兵, 张宝松, 邸兵叶, 朱红兵, 王佳龙
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High precision microtremor technology based on linear array and its application to the fine division of lithostratigraphy
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CHEN Ji-Wei, ZHAO Dong-Dong, ZONG Quan-Bing, ZHANG Bao-Song, DI Bing-Ye, ZHU Hong-bing, WANG Jia-Long
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表3 推测地层岩性界面海拔精度统计
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Table 3 Altitude accuracy statistics of inferred stratigraphic lithologic interface m
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| 岩性界面 | 分类 | 井号 | 均方相对误差 | | MJKZ-09-75 | MJKZ-09-77 | MJKZ-09-79 | MJKZ-09-81 | MJKZ-09-83 | MJKZ-09-85 | | 淤泥 | 钻孔结果 | -5.4 | -0.35 | -2.23 | / | -1.54 | / | ±1.47 | | 推测结果 | -3.47 | -2.44 | -1.49 | / | -1.57 | / | | | 差值 | 1.93 | 2.09 | 0.74 | / | 0.03 | / | | | 残积砂质黏性土 | 钻孔结果 | -14.4 | -12.55 | -11.53 | -11.13 | -11.14 | -15.47 | ±1.54 | | 推测结果 | -10.94 | -13.74 | -12.26 | -10.61 | -11.13 | -15.7 | | | 差值 | 3.46 | 1.19 | 0.73 | 0.52 | 0.01 | 0.23 | | | 全风化花岗岩 | 钻孔结果 | -19.2 | -19.55 | -17.23 | -17.93 | -18.24 | -21.77 | ±2.44 | | 推测结果 | -16.45 | -23.37 | -18.69 | -18.22 | -21.61 | -22.1 | | | 差值 | 2.75 | 3.82 | 1.46 | 0.29 | 3.37 | 0.33 | | | 强风化花岗岩 | 钻孔结果 | -33.7 | / | -31.43 | -26.33 | -27.04 | -28.27 | ±2.68 | | 推测结果 | -29.35 | / | -28.19 | -23.87 | -26.85 | -28.87 | | | 差值 | 4.35 | / | 3.24 | 2.46 | 0.19 | 0.6 | | | 总体均方相对误差: ±2.03 |
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