An integration processing system of three-dimensional laser scanning information visualization in goaf was developed. It is provided with multiple functions, such as laser scanning information management for goaf, cloud data de-noising optimization, construction, display and operation of three-dimensional model, model editing, profile generation, calculation of goaf volume and roof area, Boolean calculation among models and interaction with the third party soft ware. Concerning this system with a concise interface, plentiful data input/output interfaces, it is featured with high integration, simple and convenient operations of applications. According to practice, in addition to being well-adapted, this system is favorably reliable and stable.
矿山深部资源开采形成的采空区是矿山主要灾源之一,实现其有效数字化管理是矿山安全生产的重要课题。为完善自主研发的采空区三维建模可视化集成系统的功能结构,实现矿山采空区的数字化安全管理,在数据库功能需求分析及采空区信息分类整理的基础上,设计了集成系统采空区信息数据库的功能结构及数据库表结构,以Microsoft Visual Studio 2010为开发工具,运用Visual C++及SQL语言成功实现了数据库平台的构建,并将开发的采空区信息数据库在凡口铅锌矿采空区管理中展开了实际应用。实践表明,采空区信息数据库的开发有效地完善了集成系统的功能结构,初步实现了采空区的数字化管理,为开展采空区周边相关开采工程设计提供了有益借鉴。
为实现某铅锌矿山无底柱深孔后退式崩矿法安全高效开采,开展采场结构参数优化研究.实测-650 m中段原岩应力,运用Surpac-FLAC3D模型生成技术构建数值分析模型,进而采用多元应力回归方法反演初始地应力场.通过弹性力学小薄板理论分析得到顶板稳定性随采场结构参数的变化关系,结合实际采准条件,提出采场结构参数初选方案.基于反演地应力场,进行初选方案开采数值分析,获得各方案力学响应指标.引入多目标理想点法决策,考虑安全和经济指标,计算方案评价指标集与理想解的向量近似度,优化确定该矿无底柱深孔后退式崩矿法采场结构参数为矿房采场宽10 m,矿柱采场宽8 m.
