上软下硬岩体大断面隧道掏槽爆破技术优化 / Optimization of Cutting Blasting Technology for Large Cross-section Tunnel in Upper Soft and Lower Hard Rock Mass
- Resource Type
- Academic Journal
- Source
- 爆破 / Blasting. 37(4):53-58
- Subject
隧道工程 大断面 上软下硬 掏槽爆破 大块石 - Language
- Chinese
- ISSN
- 1001-487X