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- Tunnel excavation by blasting can be directly influenced by karst cavities when tunnelling through the karst strata with blasting method,which brings a lot of damages such as landslide and casualties. 在岩溶地区采用钻爆法进行隧道开挖施工;溶洞的存在对隧道爆破开挖安全有直接影响;严重者会造成塌方、伤亡等重大事故.
- tunnel excavating by blasting 爆破开挖
- Ventilation is a very important process in rock excavation by blasting in underground engineering. 地下工程钻爆开挖过程中,通风排烟是重要的一环。
- Discussion on ventilation design for long tunnel excavated by drill and blasting method 长隧道钻爆法施工通风系统设计探讨
- In the drilling construction of submarine tunnel,the damage and fragment of surrounding rocks must be induced by blasting vibration to endanger the safety of tunnel construction. 海底隧道掘进爆破开挖岩石的过程中,爆破振动必然会对隧道覆盖岩石造成损伤和破坏,危及隧道施工安全。
- The potential damage of surrounding buildings caused by blast wave is analyzed. 分析冲击波对建筑可能造成的损坏情况;
- The site has been excavated by archaeologists. 这个遗址已被考古学家发掘出来。
- Ground Surface Settlement Analysis During the Subway Tunnel Excavation by Shielding 盾构法施工地铁区间隧道的地表沉降
- Study of Cyclic Drilling Footage of Tunnel Excavation by Using of Fuzzy Staged Statistical Method 隧洞开挖循环进尺的模糊分级统计法分析与研究
- Construction of Backfill Grouting and Consolidation Grouting In Tunnel Excavated by TBM TBM掘进隧洞回填固结灌浆施工的探讨
- It is a very difficult problem of overbreak in tunnel excavation. 超欠挖一直是隧道开挖中遇到的一大难题。
- An engineering example of the excavation by controlled blasting for various small transect pile-wells in downtown districts is introduced. 介绍了在闹市区对多种小断面桩井采用控制爆破技术进行开挖的工程事例。
- Application of horizontal rotary jet grouting piles in plastic clay in a metro tunnel excavated by mining method 水平旋喷桩在地铁暗挖隧道流塑状粘性土中的应用
- Results 1. The emm 1 gene and emm 3 gene were amplified and identified by blast to CDC data bank. 结果从40381137(T1)和31281187(T3)A组链球菌株的基因组成功克隆emm基因,经测序及blast后分别确认为emm1型和emm3型;
- The tunnel excavation mechanics behavior of the banding rocks was simulated by the ANSYS general finite element computation software. 并用ANSYS通用有限元计算软件对层状岩体中隧道开挖的力学行为进行了数值模拟。
- Basic Principles of Railway-Trench Excavation by Blasting in Plateau Frost Soil Zone 高原冻土地区路堑爆破开挖施工的基本原则
- The pig iron containing boron and boron - rich slag were produced by blast fur-nace separating. 采用高炉法处理含硼铁精矿可使铁硼有效分离得到含硼生铁和富硼渣。
- Behind sitting mechanism of directional topping of frame,framed bent and framed shear wall construction demolished by blasting is studied. 研究了框架、排架和框剪结构爆破拆除定向倾倒时后坐的机理。
- Construction and supervision of supporting system of foundation pit for tunnel excavation by cut-and-cover method in Shenzhen metro 深圳地铁明挖隧道基坑支护的施工与监测
- The obtained 30 positive clones were all sequenced, and analyzed by BLAST (basic local alignment search tool). 将得到的30个阳性克隆全部进行测序,并进行BLAST同源序列比对分析。