CAJ | 학술논문

在传统静态爆破的基础上,提出了一种新型大孔径静态爆破技术,使用新型扩孔钻头结合机械堵孔器解决了大孔径静态爆破的冲孔问题.由于孔径的增大,使得破碎剂膨胀压力增大,膨胀剂反应速度加快,加大了堵孔难度.设计的新型扩孔钻头和新型堵孔器进行了孤岩块的大孔径静态爆破试验,试验结果证实了该新型大孔径静态爆破技术的可行性,达到了提高爆破能力和缩短破坏时间的预期目的.为今后的敏感地区岩石爆破工程开挖提供了新途径.
재전통정태폭파적기출상,제출료일충신형대공경정태폭파기술,사용신형확공찬두결합궤계도공기해결료대공경정태폭파적충공문제.유우공경적증대,사득파쇄제팽창압력증대,팽창제반응속도가쾌,가대료도공난도.설계적신형확공찬두화신형도공기진행료고암괴적대공경정태폭파시험,시험결과증실료해신형대공경정태폭파기술적가행성,체도료제고폭파능력화축단파배시간적예기목적.위금후적민감지구암석폭파공정개알제공료신도경.
@@@@Bases on the traditional static blasting, a new technology of static blasting in large diameter borehole is presen-ted;with a new reaming bit and mechanical hole plugging device, hole gushing of static blasting in large diameter borehole was solved.As the hole becoming larger, the expansion pressure increases and the reaction of cracking agent speeds up, these make plugging more difficult.Test of static blasting in large diameter borehole for block rock was made by newly de-signed reaming bit and hole plugging device, which proves the feasibility of this new technology with expected effects of im-proving the cracking ability and reducing the cracking time.It is a new way for rock blasting construction in sensitive areas.