降低结构面发育露天矿爆破大块率的技术措施_OpenScirbe Publishing

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降低结构面发育露天矿爆破大块率的技术措施

Author(s)：
郝向东

Publication Title：

Wen Yuan (High School Edition) 2020 No.04

Affiliations：
国能准能集团黑岱沟露天煤矿

Abstract：
为了降低爆破大块率，从而减少二次破碎工程量，在露天矿深孔台阶爆破施工中，提出并采用了增大炮孔密集系数、更换炸药品种、优化起爆网路、缩短炮孔堵塞长度、深孔间加密浅孔等技术措施。结果表明：综合应用以上技术措施，有效地降低了结构面发育位置和孔口堵塞段的大块率，取得了较好的爆破效果，提高了铲装效率和日生产量。

Keywords：
结构面发育；露天矿；爆破大块率；技术措施

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[1] 郝向东.降低结构面发育露天矿爆破大块率的技术措施[J].Wen Yuan (High School Edition),2020(04),.

文渊(高中版)

Wen Yuan (High School Edition)

Language: 中文

CN：11-9276/G

ISSN：2096-6288

Publication Frequency: 月刊

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