淮南矿区11煤顶板砂岩强度参数分布特征研究 / Study on Strength Parameter Distribution Features of Roof Sandstone of No.11 Seam in Huainan Mining Area
- Resource Type
- Academic Journal
- Source
- 建井技术 / Mine Construction Technology. 43(2):33-40
- Subject
砂岩;强度参数;赋存深度;岩石力学 - Language
- Chinese
- ISSN
- 1002-6029