金属矿山基建与采剥进度计划应具备哪些规范
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    2 基建与采剥进度计划编制,应符åˆä¸‹åˆ—原则:
    (1)应å‡å°‘基建剥离é‡ã€ 缩çŸåŸºå»ºæ—¶é—´ï¼›
    (2)达产时间和投产规模应分别符åˆæœ¬è§„范第3.0.18å’Œ3.0.19æ¡çš„规定;
    (3)应å‡å°‘å‰æœŸç”Ÿäº§å‰¥é‡‡æ¯”ï¼›
    (4)全期生产剥采比å‡è¡¡æœ‰å›°éš¾æ—¶ï¼Œå¯åˆ†æœŸå‡è¡¡ï¼Œåˆ†æœŸå‡è¡¡æœŸåº”大于 5a,æ¯æœŸç”Ÿäº§å‰¥é‡‡æ¯”çš„å˜åŒ–幅度ä¸å®œè¿‡å¤§ï¼›
    (5)开拓与备采矿é‡ä¿æœ‰æœŸåº”符åˆæœ¬è§„范第3.0.13æ¡çš„规定;
    (6)编制采剥进度计划应以采掘设备能力为计算å•å…ƒï¼›
    (7)采剥进度计划应至少编制至投产åŽç¬¬5年末;分期开采的矿山应编制扩帮过渡期采剥进度计划。
    3 å‡è¡¡ç”Ÿäº§å‰¥é‡‡æ¯”,应符åˆä¸‹åˆ—规定:
    (1)当采用缓帮开采ä¸èƒ½å‡è¡¡ç”Ÿäº§å‰¥é‡‡æ¯”时,应采用陡帮开采,陡帮工作帮å¡è§’应在18°~35°范围内调整;
    (2)开采范围大〠生产年é™é•¿çš„矿山, 当采用å•ä¸€é™¡å¸®å¼€é‡‡éš¾ä»¥å‡è¡¡ç”Ÿäº§å‰¥é‡‡æ¯”时, 宜采用分期开采或分期开采和陡帮开采相结åˆçš„方法;
    (3)分区开采的矿山, 宜通过剥采比高低æé…以å‡è¡¡å‰¥é‡‡æ¯”ï¼› 矿体走å‘很长的纵å‘开采的矿山,宜采用沿走å‘分区段ä¸å‡è¡¡æŽ¨è¿›ä»¥å‡è¡¡å‰¥é‡‡æ¯”。 Â
    4 陡帮开采扩帮时,æ¯éš”60m~90m高度,应布置一个宽度ä¸å°äºŽ20m的接滚石平å°ã€‚
    5 露天开采矿山,æŸå¤±çŽ‡å’Œè´«åŒ–率应符åˆä¸‹åˆ—规定:
    (1)矿体赋å˜æ¡ä»¶ç®€å•çš„矿床,æŸå¤±çŽ‡å’Œè´«åŒ–率ä¸åº”超过5%;矿体赋å˜æ¡ä»¶å¤æ‚的矿床,æŸå¤±çŽ‡å’Œè´«åŒ–率ä¸åº”超过8ï¼…ï¼›
    (2)矿体分æžå¤åˆä¸¥é‡ï¼Œè´«åŒ–率和æŸå¤±çŽ‡å®œç»è®¡ç®—确定,当计算值大于 10%时,应采å–低å°é˜¶é‡‡çŸ¿ç‰æŽªæ–½ã€‚