aq 1050-2008 保护层开采技术规范报批稿新.pdf

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aq 1050-2008 保护层开采技术规范报批稿新.pdf

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aq 1050-2008 保护层开采技术规范报批稿新

ICS: 备案号： AQ 中华人民共和国安全生产行业标准 AQ1050—2008 保护层开采技术规范 Technical criterion of protective coal seam exploitation （送审稿）（本稿完成日期：2007.10） 2008-11-19 发布 2009-01-01 实施国家安全生产监督管理总局发布 AQ 1050—2008 目次前言················································································································································· Ⅱ 1 范围·············································································································································1 2 规范性引用文件·························································································································1 3 术语及定义·································································································································1 4 保护层开采的适用条件与选择原则·························································································1 5 保护层开采及瓦斯抽采规划·····································································································2 6 保护层开采及瓦斯抽采·············································································································2 7 被保护层开采及瓦斯抽采·········································································································3 8 被保护层保护效果及保护范围考察与验证·············································································3 9 被保护层区域性消除突出危险性评定································································