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全站仪在砂岩型铀矿床钻孔放样中的精度分析
Author(s) -
海飞 于
Publication year - 2020
Publication title -
地矿测绘
Language(s) - Uncategorized
Resource type - Journals
ISSN - 2630-4732
DOI - 10.32629/gmsm.v3i4.795
Subject(s) - environmental science
通过使用拓普康DS-101AC全站仪进行钻孔施工放样,并结合砂岩型铀矿钻孔测绘实例,分析全站仪的测量原理和误差来源,以及全站仪在沙漠地区钻孔施工放样的平面精度和高程精度。结果表明,利用全站仪在沙漠地区施工放样,在边长小于1km时平面位置精度可以达到41mm左右,使用全站仪通过单向观测法测量测站点和目标点之间的高差,当距离小于1km时可以满足《铀矿地质详查规范》中高程中误差要求及比例尺1:2000地形图测绘及地质填图要求。

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