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- To determine rational microsecond delay time is both the requirement of ensuring blasting quality and the key to achieve blasting vibration reduction. 确定合理的微差间隔时间,既是保证爆破质量的需要,又是达到爆破降震的关键。
- TECHNIQUE OF BLASTING VIBRATION REDUCTION FOR DRIFT-REPASS IN LANJIAN IRON ORE 兰尖铁矿保护平硐溜井的爆破减震技术措施
- Seismic Effect of High Slope under the Action of Blasting Load and Research on Blasting Vibration Reduction Methods 爆破作用下高边坡的地震效应及控爆减振方法研究
- Experimental Study of Blasting Vibration Reduction by Waveform Interference in an Open Stope 露天采场台阶干扰降震爆破技术试验研究
- Keywords Lanjian Iron Ore;Drift-repass;Blasting vibration reduction;MS blasting; 兰尖铁矿;平硐溜井;爆破减震;延时爆破;
- Blasting vibration reduction 爆破减震
- The results show that two detonating network systems with high reliability are obvious in reduction of blasting vibration and possible to ensure the safety of 290m adit. 结果表明 ,这两种网路具有较高可靠性 ,降震效果明显 ,可以确保 2 90m平硐的安全。
- The mechanism of vibration reduction and support characteristics are analyzed and a friction damper is designed. 分析了该支承的减振机理和支承特性,设计了摩擦阻尼器,研究了其对转子系统不平衡响应的影响。
- With the progress of the mining operation in Lanjian Iron Ore year on year the effect of blasting vibration on safety of adit is increasing. 随着兰尖铁矿采场水平逐年下降,爆破震动对平硐的安全影响日益突出。
- The calculation results and open-pit slope stability under blasting vibration influence are analyzed and appraised. 以计算结果为参照来分析、评价爆破震动对边坡稳定性的影响。
- We also studied the influence of blasting vibration on the people and studied the laws o... 并针对爆破震动对人的影响,以及爆破震动频率的衰减规律进行探讨。
- The effect of bubbly layer on vibration reduction of hull model is investigated experimentally. 本文介绍和讨论了舰船结构气幕减振的模型试验研究。
- Its comprehensive coverage focuses on drag, turbulent flow, and vibration reduction in airfoils. 它的广泛报导集中在机翼阻力、湍流和振动减少。
- So the study of the influence of blasting vibration on underground chambers is of great importantance both in theory and practice. 因此,研究爆破振动对地下洞室的影响,不仅具有重要的理论意义,同时也具有重要的工程意义。
- With the coefficient the paper discussed the safety assessment of the regression formula for predicting the blasting vibration. 用安全系数对回归公式预报爆破震动强度的安全性进行评估。
- The object of this paper is to investigate the optimum absorber parameters for vibration reduction of a beam subjected to dynamic loads. 摘要本文的目的在于研究用?硪种疲?惺芏??汉芍?旱谋苷衿髯罴鸦??怠
- Through blasting vibration testing in Heidaigou open coal mine,vibration characteristics and frequency chart in high step sling blasting are analysed. 通过对黑岱沟露天煤矿爆破的振动测试,对高台阶抛掷爆破的振动特点进行了分析。
- The result of the vibration reduction for finite structure is simulated by using MSC/NASTRAN, which accords well with the experiment one. 对于有限结构的一维声子晶体,利用MSC/NASTRAN进行防真,仿真结果与实验吻合较好。
- YANHG Tong-gui.Characteristic and fourier analysis of the blasting vibration in hypaethral mine[J].Blast, 1984,1(2) :48-53. [8]杨桐桂.;露天矿爆破地震动特征及Fourier谱分析[J]
- Utilizing frictional damping to carrying out vibration reduction on the steam turbine blade is a kind of simple and effective method. 利用摩擦阻尼对汽轮机叶片进行减振是一种简单而又行之有效的方法。