基于A(yíng)rcGIS軟件構建中關(guān)鐵礦巖體質(zhì)量空間分布
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華北理工大學(xué)

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The Spatial Distribution of Rock Mass in Zhong Guan Iron Mine was Constructed Based on ArcGIS Software
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North China University of Science and Technology

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    摘要:

    獲取巖體穩定性級別,對礦體深度開(kāi)采、圍巖支護以及采空區的充填具有十分重要的意義。基于中關(guān)鐵礦的工程地質(zhì)條件,通過(guò)室內巖石力學(xué)基本性質(zhì)試驗、現場(chǎng)巖石力學(xué)測試、現場(chǎng)巖體節理調查、地應力測試等,計算得到測點(diǎn)位置巖石基本質(zhì)量BQ值;利用ArcGIS軟件的數據處理和空間分析功能,通過(guò)克里金插值技術(shù)建立了研究區域巖體質(zhì)量的空間分布預測模型,應用該模型對-230m水平礦體的巖體質(zhì)量進(jìn)行了預測分析;結合現場(chǎng)實(shí)測進(jìn)行驗證分析表明:預測結果與實(shí)際情況具有較好一致性洗馅,中關(guān)鐵礦-230m水平礦體質(zhì)量較差,易破碎、不穩定。研究獲取的巖體質(zhì)量空間分布預測模型,為研究巖體工程未完全揭露情況下巖體穩定性級別提供了方法,也為后續中關(guān)鐵礦的安全開(kāi)采提供了理論依據。

    Abstract:

    Obtaining the stability level of rock mass is of great significance to the deep mining of ore body, surrounding rock support and gob filling. Based on the engineering geological conditions of Zhong Guan Iron Mine, the BQ value of rock mass at the measuring point is calculated through laboratory rock mechanics basic property test, field rock mechanics test, field rock joint investigation and in-situ stress test, etc. By using the data processing and spatial analysis function of ArcGIS software, the spatial distribution pre-diction model of rock mass quality in the study area is established through Kriging interpolation technology, and the rock mass quality of -230m horizontal ore body is predicted and analyzed by using this model. Combined with the field measurement, the verification analysis shows that the predicted results are in good agreement with the actual situation, and the quality of -230m horizontal ore body in Zhong Guan Iron Mine is poor, easy to be broken and unstable. The spatial distribution prediction model of rock mass quality obtained provides a method for studying the stability level of rock mass in the case of incomplete disclosure of rock mass engineering, and provides a theoretical basis for the subsequent safe mining of Zhong Guan Iron Mine.

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  • 收稿日期:2024-05-10
  • 最后修改日期:2024-06-28
  • 錄用日期:2024-06-28
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