A vibration velocity measurement and research of a side blasting with non-floor pillar sublevel caving stoping for transforming opencast mining into underground mining in Daye iron mine is made.
英
美
- 對大冶鐵礦東露天轉地下開(kāi)采無(wú)底柱分段崩落法回采掛幫礦爆破振動(dòng)速度的測試與研究表明,質(zhì)點(diǎn)爆破振動(dòng)速度與單響最大爆破藥量、爆心距、炸藥種類(lèi)和堵塞情況有關(guān)。
