1) springing blast
扩孔底爆破
2) Reaming blasting
扩孔爆破
3) blast-expanding bore
爆破扩孔
1.
According to the structure and geological feature of sewage pool and integrated analysis of various anti-floating methods,the type of the anti-floating anchor with blast-expanding bore and variable section are put forward.
通过综合分析各种地下工程的抗浮加固方式,提出爆破扩孔变截面抗浮锚杆结构型式,以提高地下池体的抗浮能力,并保证池体尽快投入生产。
4) Borehole-bottom cavity blasting
孔底空腔爆破
5) pot blasting in deep hole
深孔扩壶爆破
1.
By the technique of pot blasting in deep hole carried out successfully in groundleveled blasting in Longjiashan developing yard, it was expounded that the proper blasting technique could bring good economic and social benefit in blasting engineering in the center of the city and densely-populated areas.
通过深孔扩壶爆破在龙家山开发小区场地平整爆破工程中的实际应用 ,阐述了在城市中心地带及人口稠密地区的工程爆破中 ,采用适宜的爆破技术可显著地降低施工成本 ,加快工程进度 ,提高经济及社会效益 ,并对工程的安全生产及管理提出了一些建议 。
6) spacing charging at blast hote bottom explosion technology
孔底间隔装药爆破技术
补充资料：扩孔
holeexpansion：减小空心毛坯壁厚而增加其内、外径的锻造工序称为扩孔。
说明：补充资料仅用于学习参考，请勿用于其它任何用途。
参考词条