基于四棱柱体元的煤层储量计算方法

煤层储量计算是对煤矿床进行一定的地质勘查所求得的煤炭埋藏量。传统的地质块段法存在精度低、自动化程度不高、人为因素影响测量结果等关键问题。介绍了用地质勘探部门提供的煤层顶、底板等高线,用三棱柱体元进行地质三维建模的思想,结合离散点以及三角网布控的方法,灵活应用三角网插值算法,实现二维三角网的位置布控运算,实现三维煤层建模和储量计算的算法和程序实现。文章针对似三棱柱体元在计算煤层储量问题上的缺陷,提出了使用四棱柱体元对煤层进行建模的方法,解决了三棱柱体元模型不能同时处理煤层顶、底板局部交叉情况的问题。利用文章介绍方法开发的储量计算软件已经在部分单位推广应用,对煤层储量计算有一定的借鉴意义。

Coalreserves calculation method based on quadrangular volume element

Coal reserves is the buried volume of coal calculating by geological exploration data of coal deposits.However,the low precision,lower degree of automation,influence of artificial factors and some other shortcomings of traditional geological block method cause its unable to be carried out smoothly.This paper introduces three-dimensional modeling,reserves calculation algorithm and program realization,which used three prism element for 3D geological modeling ideas,combined with the discrete points and triangle network control method,the flexible application of Delaunay triangulation interpolation algorithm,realize two-dimensional triangulation location control operation based on coal seam roof,bottom contour provided by geological exploration departments.According to the limitations of using prism volume element in calculating the coal reserves,the quadrangular volume elements are introduced here.It can be used to process when both the roof and bottom of the coal seam have partial cross-cuttings.The reserves calculation software have used in some coal mine,and have some reference significance.