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2 福州地铁F1沿线钻孔横波波速统计
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Table 2 S-wave velocity statistics of boreholes along subway line F1 in Fuzhou airport-Dahe section
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| 地层名称 | 横波波速/(m·s-1) | 物性标本数 | 速度层 | | 最小值 | 最大值 | 平均值 | | 杂填土 | 138.25 | 139.53 | 138.89 | 2 | A | | 填砂 | 126.00 | 162.00 | 142.97 | 9 | | 淤泥质土 | 156.00 | 163.00 | 159.50 | 2 | | 粉细砂 | 140.19 | 212.77 | 174.30 | 24 | | (泥质)粉细砂 | 208.00 | 251.00 | 230.80 | 5 | B | | (含泥)粉细砂 | 224.00 | 247.00 | 234.50 | 4 | | 粉质黏土 | 208.00 | 228.00 | 218.50 | 4 | | 粉质黏土 | 221.00 | 323.00 | 276.23 | 23 | | 残积砂质黏性土 | 235.00 | 368.00 | 288.20 | 5 | | 花岗岩球状风化(孤石) | 500.00 | 580.00 | 540.00 | 3 | C | | 砂土状强风化花岗岩 | 316.00 | 478.00 | 410.30 | 14 | | 碎块状强风化花岗岩 | 523.00 | 687.00 | 608.33 | 6 | | 中风化花岗岩 | 583.00 | 1136.00 | 922.54 | 28 | D | | 中风化凝灰岩 | 863.00 | 998.00 | 921.00 | 3 |
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