新汶煤田断裂构造特征分析及其预测
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摘要
断裂构造的定量预测一直是地质工作中的一个难点。断裂构造影响了矿井的安全生产和煤矿开采效率。本文在前人研究构造预测的基础上,详细搜集新汶煤田构造资料,深入分析和归纳煤田构造基本特征,提出利用分形理论的相关研究方法,解决断裂构造定量预测这一难题,并且针对实际工作中存在的问题,提出了具体的解决方案和处理手段。
首先分析了新汶煤田地质概况,研究了相关区域地质构造背景,对新汶煤田已揭露各种断裂构造形迹及其它信息进行统计、整理,根据断裂构造特征,将新汶煤田划分为十个分区,绘制各分区及全区的小构造走向玫瑰花图,分析新汶煤田断裂构造基本规律。利用断裂构造所表现出的各种基本特征和相互关系,结合分形几何理论在地质领域的应用,作出小断层落差和频度的散点图,利用断层中应用最多的相似维(Ds),计算出断层长度和落差的分维值(Ds),得到区域内关于断层长度和落差预测的相关经验公式。根据预测断层长度和落差的相关公式,结合已知相关资料和参数,从而能够预测区域内某一未开采块段的断层条数、断层长度及落差。断裂构造的分形分析,不仅能定量地对构造复杂程度进行评价,而且能进行定量预测。根据掌握的信息和资料运用合适的科学方法对断裂构造提出一定精度的评价和预测,这对保证采掘工作的正常顺利进行,对指导矿井的安全生产,提高煤矿开采效率,保证国家资源的充分开发与合理利用,具有重要的实际作用与意义。
Quantitative prediction of faults in the geological work has been a hard nut to crack. Faults affect the safety of the mine production and the efficiency of coal mining. The paper based on structure prediction of previous studies, collected detailed information of Xinwen coalfield faults, analyzed in-depth and summarized the law of coalfield structure, made use of fractal theory related to research methods to solve the problems of the quantitative prediction of faults. According to the existing problems of practical work, proposed specific solutions and the means to deal with.
First, the author analyzed Xinwen coalfield geology, studied the relevant background of the regional geological structure, had a statistics and analysis of information of Xinwen coalfield faults exposed and other information. And in accordance with the characteristics of faults, divided Xinwen coalfield into 10 regions, drew trend rose diagram of small structure of divisional and integral region, analyzed the basic law of coalfield faults of Xinwen coalfield. Using fault structure which shown by the various laws and the relationship between the combination of fractal geometry theory in the field of geological applications, to get small faults and frequency difference of the scatter. By using the application of the most similar to Victoria (DS), the author calculate the difference of fault length and fractal dimension (DS) and the relevant empirical formula prediction of the fault length and drop in region. According the fault length and the related formula, combining with known information and parameters, a non-mining region of the fault block, fault length and gap can be predicted. The method about fractal fault analysis, is not only for quantitative evaluation of the complexity of the structure, but also for quantitative prediction. According to the information and data, the author used appropriate scientific methods to evaluate and predict the fault structure, which can ensure that the extraction of the smooth conduct of the normal work of guiding the mine production safety and improve the efficiency of coal mining and ensure that national resources full developed and play an important role on rational utilization.
首先分析了新汶煤田地质概况,研究了相关区域地质构造背景,对新汶煤田已揭露各种断裂构造形迹及其它信息进行统计、整理,根据断裂构造特征,将新汶煤田划分为十个分区,绘制各分区及全区的小构造走向玫瑰花图,分析新汶煤田断裂构造基本规律。利用断裂构造所表现出的各种基本特征和相互关系,结合分形几何理论在地质领域的应用,作出小断层落差和频度的散点图,利用断层中应用最多的相似维(Ds),计算出断层长度和落差的分维值(Ds),得到区域内关于断层长度和落差预测的相关经验公式。根据预测断层长度和落差的相关公式,结合已知相关资料和参数,从而能够预测区域内某一未开采块段的断层条数、断层长度及落差。断裂构造的分形分析,不仅能定量地对构造复杂程度进行评价,而且能进行定量预测。根据掌握的信息和资料运用合适的科学方法对断裂构造提出一定精度的评价和预测,这对保证采掘工作的正常顺利进行,对指导矿井的安全生产,提高煤矿开采效率,保证国家资源的充分开发与合理利用,具有重要的实际作用与意义。
Quantitative prediction of faults in the geological work has been a hard nut to crack. Faults affect the safety of the mine production and the efficiency of coal mining. The paper based on structure prediction of previous studies, collected detailed information of Xinwen coalfield faults, analyzed in-depth and summarized the law of coalfield structure, made use of fractal theory related to research methods to solve the problems of the quantitative prediction of faults. According to the existing problems of practical work, proposed specific solutions and the means to deal with.
First, the author analyzed Xinwen coalfield geology, studied the relevant background of the regional geological structure, had a statistics and analysis of information of Xinwen coalfield faults exposed and other information. And in accordance with the characteristics of faults, divided Xinwen coalfield into 10 regions, drew trend rose diagram of small structure of divisional and integral region, analyzed the basic law of coalfield faults of Xinwen coalfield. Using fault structure which shown by the various laws and the relationship between the combination of fractal geometry theory in the field of geological applications, to get small faults and frequency difference of the scatter. By using the application of the most similar to Victoria (DS), the author calculate the difference of fault length and fractal dimension (DS) and the relevant empirical formula prediction of the fault length and drop in region. According the fault length and the related formula, combining with known information and parameters, a non-mining region of the fault block, fault length and gap can be predicted. The method about fractal fault analysis, is not only for quantitative evaluation of the complexity of the structure, but also for quantitative prediction. According to the information and data, the author used appropriate scientific methods to evaluate and predict the fault structure, which can ensure that the extraction of the smooth conduct of the normal work of guiding the mine production safety and improve the efficiency of coal mining and ensure that national resources full developed and play an important role on rational utilization.
引文
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3.李志华,窦林名,张卫东.矿井地质构造预测与应用[J],煤炭工程,2005,(2):40-43
4.王国华.煤矿中小型地质构造预测方法[J].水力采煤与管道运输,2006,(3):17-19
5.赵玉新.煤矿中小构造预测方法浅探[J].煤,2004,(06):52-53
6.彭华.断层相关构造研究法在预测断层构造中的应用.同煤科技.2004,(3):5-6
7.王国华,王猛,崔新瑞.分形研究在唐山煤矿铁三、铁四区构造预测中的应用[J].中国煤田地质.2006.18(3):11-16
8.张建群,王联,杨天亮,张惠武.分形理论在祁南煤矿构造复杂程度评价中的应用[A].矿山建设工程新进展--2007全国矿山建设学术会议文集[C],2007,680-684
9.李万程.煤田构造样式分析步骤-兼论鲁西区构造变形[J].中国煤田地质.1998,10(3):4-9
10.张永双,吕朋菊,张明利.鲁西煤田滑动构造与矿井灾害[J].中国煤田地质.1995,7(2):11-17
11.翁世勋.中国东南部侏罗-白垩纪时期板块构造活动与相关的岩浆活动[C],黄海海中国地质科学院.1981:58-59。
12.宋明春.山东省大地构造单元组成、背景和演化[J].地质调查与研究,2008,31(03):165-175
13.吴根耀.白垩纪:中国及邻区版块构造演化的一个重要变换期[J].中国地质,2006,33(1):64-77
14.Meert J G,Torsvik T H.The making and unmaking of a supercominent:Rodinia revisited.Tectonophysics.2003,375(1-4):261-288
15.宋明春,王沛成,梁帮启,等.山东省区域地质[M].济南:山东省地图出版社,2003,722-725
16.Baker F.Trondhjemites,dacites and related rocks.New York.Elsew.Sci.Pub.Comp pp.1979,321
17.李延栋,莫杰.中国滨太平洋构造域构造格架和东海地质演化[J].海洋地质与第四纪地质,2002,22(4):1-6
18.李三忠,周立宏,刘建中,等.华北板块东部新生代断裂构造特征与盆地成因[J].海洋地质与第四纪地质,2004,24(3):57-66
19.段吉业,刘鹏举,夏德馨.浅析华北板块中元古代-古生代构造格局及其演化[J].现代地质,2002(4):221-228
20.余和中,韩守华,谢锦龙,等.华北板块东南缘原型沉积盆地类型与构造演化[J].石油与天然气地质,2006,27(2):244-22
21.路素永.新汶矿区地质构造特征与找煤方向[J].河北煤炭,2005,(04):5-6
22.段秋梁,杨长春,闫臻,张延玲.鲁西地区煤田滑动构造特征[J].煤田地质与勘探,2006,(03):10-12
23.宋明春.山东省大地构造格局和地质构造演化[D].中国博士学位论文全文数据库,2008,(03)
24.曾荣树,庄新国,杨生科.鲁西含煤区中部煤的煤质特征[J].中国煤田地质.2000,12(2):10-15
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27.吕朋菊,朱兴珊.鲁西中、新生代构造应力场的更迭[J].山东科技大学学报(自然科学版),1989,(04):19-25
28.施龙青.肥城煤田滑动构造在矿井水害中的作用.中国矿业大学学报.中国矿业大学出版社.1998,27(4)
29.李理,钟大赉,时秀朋,唐智博,宫红波,胡秋媛.鲁西地区晚中生代以来伸展构造及其控矿作用[J].地质论评,2008,(04):449-457
30.路素永.新汶矿区地质构造特征与找煤方向[J].河北煤炭,2005,(04):5-6
31.孙立进,刘明雷,施龙青.论煤田滑动构造与底板突水的关系--以肥城矿区为例[J].煤田地质与勘探,1999,(06):44-46
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