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    • 8. 发明申请
    • Slackening type blasting method
    • 松弛式爆破法
    • US20020005135A1
    • 2002-01-17
    • US09839132
    • 2001-04-23
    • Yong-So Cho
    • F42B003/00F42D003/00
    • E02F3/04F42D1/00F42D5/05
    • The present invention relates to a structure of slackening type blasting method and mat for excluding a part of sloping surface formed by base rock layer at one side or both sides of road upon establishing or expanding of the road or for excavating a part of middle portion of base rock layer made of non-free surface, and the invention is a slackening type blasting method which makes base rock layer of blasting region to be cracked whereby slackening from mother rock comprising: a blasting hole piercing step; a blasting lead wire connecting step; a blasting mat providing step which provides a steel plate member having a magnitude capable of covering whole of multiple blasting holes formed at each blasting region connected with said blasting lead wire, and a blasting mat of weight material in which elastic member surrounding around blasting holes of blasting region is attached to bottom portion of said steel plate member and weight reinforcing member made of I type or H type beam being a weight material is welded in grid shape at top surface; and a blasting step for blasting an explosive by operating by blasting a blasting means connected with blasting mother line drawn out of blasting region provided with said blasting mat.
    • 本发明涉及一种松弛式喷砂方法和垫子的结构,用于在建立或扩大道路或排除一部分中间部分的道路的一侧或两侧不包括由基岩层形成的倾斜表面的一部分 本发明是一种松散式喷砂方法,其使得爆破区域的基岩层破裂,从而使母岩松弛包括:爆破孔穿孔步骤; 爆破引线连接步骤; 一种喷砂垫提供步骤,其提供具有能够覆盖与所述喷砂引线连接的每个喷砂区域形成的整个多个喷砂孔的大小的钢板构件,以及重量材料的喷砂垫,弹性构件围绕喷砂孔周围的弹性构件 爆破区附着在所述钢板构件的底部,由作为重量材料的I型或H型梁制成的重量加强件在顶表面焊接成格子形状; 以及通过喷射与设置有所述喷砂垫的爆破区域相连的爆破母线连接的爆破装置进行爆破爆破的爆破步骤。