Numerical analysis of stability for mined-out area in multi-field coupling

来源 :中南大学学报：英文版 | 被引量 : 0次 | 上传用户：A75395100

【摘要】

：

There were differences between real boundary and blast hole controlling boundary of irregular mined-out area in underground metal mines. There were errors in nu

【作者】

：

罗周全谢承煜周吉明贾楠刘晓明徐海

【机构】

：

SchoolofResourcesandSafetyEngineering,StateKeyLaboratoryofCoalResourceandSafeMining（ChinaUniversityo

【出处】

：

中南大学学报：英文版

【发表日期】

：

2015年2期

【关键词】

：

数值分析模型多场耦合采空区稳定性地下金属矿山耦合应力渗透压力等效负载 mined-out area measured actually mult

【基金项目】

：

Project（2012BAK09B02-05）supported by the National“Twelfth Five”Science and Technology Support Program,China, Project（51274250）supported by the National Natural Science Foundation of China, Project（201

下载到本地 , 更方便阅读

下载此文赞助VIP

声明 : 本文档内容版权归属内容提供方 , 如果您对本文有版权争议 , 可与客服联系进行内容授权或下架

论文部分内容阅读

There were differences between real boundary and blast hole controlling boundary of irregular mined-out area in underground metal mines. There were errors in numerical analysis of stability for goaf, if it was analyzed as regular 3D mined-out area and the

其他文献

潜江凹陷马王庙地区新沟嘴组下段储层成岩作用

从沉积环境背景出发,通过岩心观察、薄片鉴定和扫描电镜分析等方法,对江汉盆地潜江凹陷马王庙地区古近系新沟嘴组下段储层成岩作用做了系统的研究。研究结果表明,马王庙地区

期刊

潜江凹陷马王庙地区新沟嘴组下段沉积环境成岩作用

虚拟手可视化模型的初步研究

目的：建立具有解剖结构的虚拟手三维可视化模型。方法：选用首例中国女数字化可视人体数据集（CVH2）为原始数据源，用AdobePhotoshop软件先对手部的重要结构进行预处理和图像分割，再用

期刊

手三维重建VTKhand three-dimensional reconstruction Visualization Toolkit

南阳凹陷马店地区核桃园组储层成岩作用

南阳凹陷马店地区核桃园组发育辫状河三角洲成因类型的砂体，地层埋藏深度大，成岩作用复杂，直接制约着深层异常孔隙带的发育。通过铸体薄片、岩石薄片以及扫描电镜观察等手段，研究

期刊

南阳凹陷马店地区古近系核桃园组沉积环境辫状河三角洲成岩作用次生孔隙

Limit analysis of supporting pressure in tunnels with regard to surface settlement

The proliferation of Hoek-Brown nonlinear failure criterion and upper bound theorem makes it possible to evaluate the stability of circular tunnels with an orig

期刊

支撑压力圆形隧道地表沉降非线性破坏准则上限定理表面沉降机械特性变分原理circular tunnel Hoek-Brown criterion

旬邑-宜君区块长3孔隙结构特征及其在储层评价中的应用

低渗透储层微观孔隙结构是储层研究的重点与难点，直接影响储层评价的准确性。以鄂尔多斯盆地旬邑一宜君区块延长组长3段低渗透储层为例，在薄片观察、岩石孔渗、压汞测试与测井

期刊

旬邑一宜君区块孔隙结构储层评价储层品质指数Xunyi-Yijun blockpore structuresreservoir evaluatio

Performance of recycling abrasives in rock cutting by abrasive water jet

Rock cutting performance of recycling abrasives was investigated in terms of cutting depth, kerf width, kerf taper angle and surface roughness. Gravity separati

期刊

磨料水射流岩石切割切割性能回收表面粗糙度切削深度分离技术磨料颗粒abrasive water jet rock abrasive recycli

Test of subcritical crack growth and fracture toughness under water-rock interaction in three types

The subcritical crack growth and fracture toughness in peridotite, lherzolite and amphibolite were investigated with double torsion test. The results show that

期刊

亚临界裂纹扩展断裂韧性相互作用测试数据明水岩石二辉橄榄岩应力强度因子subcritical crack growth fracture tou

Three-dimensional positions of scattering centers reconstruction from multiple SAR images based on r

A method and procedure is presented to reconstruct three-dimensional(3D) positions of scattering centers from multiple synthetic aperture radar(SAR) images. Fir

期刊

渤中西次洼东营组层序地层特征与沉积体系演化

以经典层序地层学理论为基础,结合高分辨率基准面旋回分析,根据钻井、地震、古生物、电测曲线等资料对渤中西次洼东营组开展了层序地层学研究.东营组可以划分为三个三级层序,

期刊

渤中凹陷沉积体系东营组地层特征sequencesedimentary systemevolutionDongying formation

双侧三角肌变异1例

作者解剖一中年男性尸体肩胛背面时，发现一双侧均变异的肌块（图1）。经查阅“肩部肌变异”国内文献未见相同报道。报道如下，以供参考。打开深筋膜，在冈下肌浅面见一肌块：起自肩胛冈

期刊

三角肌变异双侧肱三头肌外侧头男性尸体国内文献深筋膜肩胛冈

Numerical analysis of stability for mined-out area in multi-field coupling

与本文相关的学术论文