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- Fracture control blasting, a new perimeter control technique, is an alternative to pre-splitting or smooth wall blasting which can be used to achieve better perimeter control results. 断裂控制爆破是一种新的周界控制爆破方法,用它取代预裂和光面爆破,可以获得更好的周界控制效果。
- directional fracture controlled blasting 定向断裂控制爆破
- Application of directional fracture controlled blasting technique in main roadway excavation 定向断裂控制爆破技术的应用
- Study on Cumulalive Energy Effect in Directional Fracture Controlled Blasting in Rock 聚能效应在岩石定向断裂控制爆破中的研究
- EXPERIMENT STUDY OF HIGH- SPEED PHOTOGRAPHY OF CRACK DEVELOPMENT IN FRACTURE CONTROL BLASTING 断裂控制爆破裂纹扩展的高速摄影试验研究
- fracture controlled blasting 断裂控制爆破
- Based on the theory of fracture mechanics,the mechanism of crack-forming among shotholes in the directional split of rock by controlled blasting is expunded. 文章依据断裂力学理论,论述岩石定向断裂控制爆破炮孔间贯通裂纹形成的原理;
- A new idea about micro-fracture mechanism is proposed to control blasting by directional fracture in view of acting potential mechanism of molecule microstructure. 从分子微观结构的作用势理论出发,提出了定向断裂控制爆破的微观断裂机理的新观点。
- The cutting blast is a main applied technique among the urban controlled blasting techniques. 在城市控制爆破技术中,切割爆破是应用的主要手段。
- A longitudinal concrete cofferdam was demolished by way of underwater controlled blasting. 利用水下控制爆破方法拆除了大源渡河中的混凝土纵向围堰。
- Controlled blasting is the key technique of mining method and stoping technology. 控制爆破技术是采矿方法及回采工艺实施中的关键技术。
- Longhole shock controlled blasting is an important method which preventes coal andgas ouburst in tunnelling. 本论文深孔松动控制爆破的成缝机理进行了总结和分析。
- Cumulative explosion is a promising technology in controlled blasting of rock mass. 聚能爆破技术是岩石控制爆破技术中有待开发的领域。
- Abstract: A longitudinal concrete cofferdam was demolished by way of underwater controlled blasting. 摘 要: 利用水下控制爆破方法拆除了大源渡河中的混凝土纵向围堰。
- The growth of structural fracture is controlled by such factors as lithology, porosity, lamellation and local structures, and the regional fracture controlled mainly by the regional stress field. 构造裂缝的发育受岩石本身的力学性质以及局部构造制约,区域裂缝则与区域应力场强度有关。
- Shanghai Shiliupu Passagers Building and Shenke Hotel were demolished by controlled blasting in complex environment. 上海十六铺客运大楼和申客饭店大楼拟予爆破拆除,但爆区周边环境复杂。
- Controlled blasting of directional fracture 定向断裂控制爆破
- For insuring the reliability of manned spaceflight system and the safety of astronauts, fracture control requiremnets has to be implemented to the structural elements of manned spacecraft. 为了确保载人航天系统的可靠性和航天员的生命安全,必须对载人航天器结构部件进行断裂控制。
- 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。
- According to experience of stonework excavation, we plan to adopt a in-the-hole drill to have deep hole controlled blasting technology. 根据石方开挖施工经验,计划采用潜孔钻机布孔进行深孔控制爆破技术施工。