山区地形改正密度逐次回归选取方法
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高维强, 史朝洋, 张利明, 冯旭亮
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Successive regression for determining the optimum terrain correction density in mountainous areas
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GAO Wei-Qiang, SHI Zhao-Yang, ZHANG Li-Ming, FENG Xu-Liang
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表1 研究区各类岩石密度统计
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Table 1 Statistics on the density of various rocks in the researched area
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岩性 | 标本块数 | 密度变化范围/(103 kg·m-3) | 平均密度/(103 kg·m-3) | 粉砂岩 | 15 | 2.574~2.815 | 2.676 | 复成分砾岩 | 9 | 2.637~2.783 | 2.704 | 砾岩 | 74 | 2.404~2.812 | 2.734 | 砂砾岩 | 8 | 2.706~2.820 | 2.773 | 杂色含泥砂质砾岩 | 9 | 2.559~2.714 | 2.659 | 杂色砾岩 | 7 | 2.749~2.812 | 2.771 | 紫红色砾岩 | 8 | 2.608~2.772 | 2.700 | 大理岩(嵕山玉) | 6 | 2.635~2.667 | 2.655 | 石英砂岩 | 2 | | 2.775 | 灰色含泥砂质砾岩 | 2 | | 2.457 | 灰色厚层状复成分砾岩 | 3 | | 2.777 | 白云岩 | 2 | | 2.788 | 灰岩 | 2 | | 2.725 | 泥质粉砂岩 | 3 | | 2.648 | 泥质砂质砾岩 | 2 | | 2.631 | 砂质页岩 | 1 | | 2.727 | 唐瓦 | 2 | | 1.792 | 唐砖 | 1 | | 2.214 |
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