本文選題：強礦壓　切入點：多維信息　出處：《北京科技大學(xué)》2015年博士論文

【摘要】：礦山開采過程中伴隨的動力災(zāi)害具有隨機性、突發(fā)性和破壞形式的多樣性,單憑一種預(yù)測方法難以準(zhǔn)確預(yù)測預(yù)報。工程實踐表明,要實現(xiàn)動力災(zāi)害的預(yù)測,必須以工程地質(zhì)、地應(yīng)力場測量分析、礦巖力學(xué)特性為基礎(chǔ),結(jié)合數(shù)值模擬方法和多種監(jiān)測手段,綜合分析各種信息來達(dá)到災(zāi)害預(yù)測的目的�；跒�(zāi)害危險性分析方法,本文提出了災(zāi)害危險性綜合分析技術(shù),以軟件系統(tǒng)為載體,開發(fā)出一套“強礦壓災(zāi)害危險性多維信息綜合分析系統(tǒng)”專用軟件。 以ArcGIS Engine空間數(shù)據(jù)庫為基礎(chǔ),構(gòu)建了涵蓋礦山地測信息、數(shù)值計算信息以及監(jiān)測信息的多種信息綜合存儲體系,為實現(xiàn)災(zāi)害危險性綜合分析提供了數(shù)據(jù)基礎(chǔ)。論文的主要工作有： (1)從常見的三維實體模型類別中選擇不規(guī)則三角網(wǎng)來表達(dá)礦山地質(zhì)實體,以MultiPatch數(shù)據(jù)類型表達(dá)三維實體模型。研究了Surpac三維實體模型數(shù)據(jù)與ArcGIS中MultiPatch數(shù)據(jù)結(jié)構(gòu)的關(guān)系,實現(xiàn)了從Surpac數(shù)據(jù)格式到MultiPatch數(shù)據(jù)格式的轉(zhuǎn)換,以達(dá)到由Surpac構(gòu)建的三維礦體模型在本系統(tǒng)中可視化的目的。 (2)實現(xiàn)了數(shù)值計算信息的存儲,為災(zāi)害危險性分析提供數(shù)據(jù)基礎(chǔ)；對數(shù)值計算信息進(jìn)行了剖切處理,通過剖切結(jié)果實現(xiàn)了礦區(qū)范圍內(nèi)任意位置在垂直于x、y、z三個方向剖面的最大主應(yīng)力、最小主應(yīng)力以及剪應(yīng)力等分布情況的快速查詢以及頂板、底板和煤層的最大主應(yīng)力、最小主應(yīng)力以及剪應(yīng)力等分布情況的快速查詢和分析。 (3)實現(xiàn)了微震監(jiān)測數(shù)據(jù)的存儲及查詢。根據(jù)微震事件信息,實現(xiàn)了對沖擊事件所處位置的地質(zhì)環(huán)境、應(yīng)力環(huán)境以及能量分布情況的分析,以此為依據(jù),為災(zāi)源的識別提供分析依據(jù)。 (4)基于地質(zhì)信息、數(shù)值計算信息和監(jiān)測信息數(shù)據(jù),綜合考慮巖性材料信息、應(yīng)力環(huán)境信息,實現(xiàn)了礦區(qū)災(zāi)害危險性綜合分析,并在系統(tǒng)中以云圖形式直觀展示了礦區(qū)災(zāi)害危險性區(qū)域的等級劃分。
[Abstract]:With the dynamic disasters in mining process is random, the diversity of the sudden and destructive forms, with a prediction method is difficult to accurately forecast. The engineering practice shows that the prediction to achieve dynamic disaster, must be based on the engineering geological analysis, field in-situ stress measurement, rock mechanics characteristics as the basis, combined with a variety of methods and monitoring method of numerical simulation, a comprehensive analysis of all information to achieve the purpose of disaster forecasting. Based on hazard analysis method, this paper puts forward the comprehensive hazard analysis technology, the software system as the carrier, developed a set of "strong mine pressure hazard comprehensive analysis of multi-dimensional information system software.
Based on the ArcGIS Engine spatial database, a comprehensive information storage system covering all the information of mine geological survey, numerical calculation and monitoring information is built, which provides data basis for comprehensive analysis of disaster risk.
(1) select the triangulated irregular network category from the 3D model to express the common mine geological entity, the expression of 3D model based on MultiPatch data types. To study the relationship between the data structure of MultiPatch data and ArcGIS Surpac three-dimensional entity model, to achieve the conversion from Surpac data format to MultiPatch data format, three-dimensional model of ore body reached by the construction of Surpac visualization in the system.
(2) the numerical information storage, provide the data base for hazard analysis; the numerical information of the cutting process, cutting through the results achieved at any position within the mining area in the direction perpendicular to the X, y, Z three directions of the maximum principal stress profile, the minor principal stress and the shear stress distribution of the fast query and roof, coal seam floor and the maximum principal stress, minimum principal stress and fast query and analysis of shear stress distribution.
(3) to realize the storage and query of microseismic monitoring data. According to microseismic event information, the geological environment on the impact event, stress analysis of environment and energy distribution, on this basis, to provide source identification and analysis basis.
(4) based on geological information, numerical calculation information and monitoring information data, taking into account lithology material information and stress environment information, we realized the comprehensive analysis of mine disaster risk. In the system, we used cloud map form to show the level classification of mine disaster risk area in an intuitive way.

【學(xué)位授予單位】：北京科技大學(xué)
【學(xué)位級別】：博士
【學(xué)位授予年份】：2015
【分類號】：TD32;TD80

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本文編號：1716791