您要查找的是不是:
- Combining with the earth-rock work, gains the reasonable attenuation law of vibrtation velocity through redressing the results of test of blasting vibration; 结合土石方工程,对爆破振动监测结果进行了回归分析,获得了合理的振速衰减规律;
- Test of blasting vibration 爆破震动测试
- 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。
- 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。
- test of blasting vibrations 爆破震动测试
- 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。
- Based on actual engineering project, this paper uses the FDM software-FLAC to simulate the effects of blasting vibration on slope stability. 结合实际工程文章利用了拉格朗日有限差分法FLAC程序对爆破震动作用下某边坡进行了数值模拟。
- And slope displacement,acceleration and stability coefficient under influence of blasting vibration are analyzed and calculated. 计算并分析爆破震动对边坡位移、加速度和稳定性系数的影响。
- 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 landslip of rock slope with the influence of blasting vibration often results in serious disasters, frequently with heavy losses of life and damage to property. 针对山区露天开挖和岩石边坡工程实际,根据极限平衡理论和模糊数学理论,建立了相应的理论分析模型。
- The tests research of blasting vibration simulating earthquake were carried out by a reinforced concrete pipe embedded landscape orientation and hangfire. 摘要通过埋置钢筋混凝土管约束爆破的竖向震动,采用延时爆破方式进行模拟天然地震的试验研究。
- With extensive application of blast techniques, more and more attentions are focused on the influence of blast vibration. 随着爆破技术的广泛应用,人们越来越关注爆破震动,爆破震动危害己成为国民经济建设中一个重要的环保问题。
- WU Li,RAO Yang-an,HUANG Chang-bo.Overview of analysis forecasting and controlling method of blasting vibration[J].Hydrogeology and Engineering Geology,2004,2004(Supp.):136-140. [1]吴立;饶杨安;黄常波.;爆破振动分析预测与控制方法综述[J]
- The dominant blast vibration frequency affects the evaluation of slope stability under the condition of blast vibration via its being close to the natural frequency of slope. 爆破振动主频就是通过对边坡自振频率的接近程度来影响其对边坡的稳定性评价,故求得边坡自振频率具有十分重要的意义。
- If this friendship is real, it can stand the test of time. 如果这种友谊是真诚的,那么它就能经得起时间的考验。
- First,blasting vibration signal has steady Lipschitz exponent when lb a is between 4.5 and 6.0,and the Lipschitz exponent can describe the charater of blasting vibration field and other singularity information preferably. 分析表明:该爆破试验场地上的爆破振动信号在lb a为4.;5~6
- The fire is the test of gold; adversity of strong men. [谚]烈火炼真金,逆境炼壮士。
- Abstract: This paper discusses the vibration velocity of blasting seism and the reaction chart of the blasting vibration,and offers some helpful suggestions about solving engineering blasting problems. 文摘:对爆破地震的振动速度与爆破振动反应谱进行了分析和探讨,为解决工程爆破问题提供了参考意见。
- The influence of blasting vibration on existed adjacent underground chambers or surrounding rock mass of the tunnel under excavating is inevitable if the method of blasting is employed for excavation. 由于地下洞室主要采用钻爆法施工,不可避免地存在爆破开挖对邻近已开挖洞室和开挖洞室本身的影响问题。
- The acid test of a good driver is whether he remains calm in an emergency. 衡量驾驶员水平的决定性考验,就是看他在紧急关头能否保持镇静。