研究内容是爆破振动在不同介质中的传播差异性。
Difference of blasting vibration in different mediums was researched.
讨论了爆破地震产生的地震波传播规律,以及地振动信号和仪器记录的电信号之间的关系。
In the paper, the travel law of seismic wave which is excited by explosive shock, and the relation between the vibration signal of ground and electric signal recorded by instruments are discussed.
对龙滩水电站蠕变体边坡的爆破振动进行观测、分析和处理,得到了爆破地震波衰减经验公式。
The blasting vibration of creep mass slope of Longtan hydropower station is observed, interpreted and analyzed. The experiential formula of decay for the blasting earthquake wave is obtained.
爆破振动分析是研究爆破振动危害控制的基础,也是控制爆破振动危害的前提。
Blast vibration analysis is a foundation for studying control of blast vibration damage and provides a prerequisite to controlling blast vibration.
爆破振动;损伤;功率谱;边坡;数值模拟。
Blasting Vibration; Injury; Power Spectrum; Slope; Numberical simulation.
结构物对爆破振动荷载的动态响应,是其对于不同优势频率的细节信号的不同的动态响应的叠加的结果。
Under blasting vibrating load, the dynamic response of the structure results from the superposed results of its dynamic response to various dominating frequency detail signals.
计算结果较好地反映了竖井周围岩体不稳定关键块在爆破振动作用下沿断层破坏、崩落的动力学过程。
The result of blasting simulation clearly shows the movement of the silo is due to the unsteadiness jointing rock mass under applied blasting vibration load.
经对比分析,所得爆破地震波衰减规律公式预测的质点振动速度具有较高的精度。
Through contrasting and analyzing, the particle vibration velocity were forecasted by the orderliness formula of attenuation of blasting earthquake wave is precise relatively.
通过爆破试验、振动试验等试验手段,对我国电力机车用新型铝质冷却器的可靠性进行研究。
The reliability of new aluminium cooler for Chinese electric locomotive was studied by means of burst test, vibration test, etc.
介绍了龙滩水电工程右岸高边坡开挖中的爆破振动观测成果。
Blasting vibration observation result of the right bank's high slope of Longtan Hydropower Project is introduced.
试验结果证明,复合不耦合装药结构可以降低工作面温度和减小对周围保留冻土爆破振动的损伤。
The test results have proved that the compound non-coupling charging structure can reduce the temperature of the working face and the blasting vibration damage on the reserved frozen soil.
提出了一种由实测爆破振动速度数据得到加速度历程曲线的方法。
A method to obtain the acceleration curve from measured blasting vibration velocity data is proposed in this paper.
此外,文中提出了一个适用于多排孔延时爆破振动速度预测模型的依据公式。
Besides, a basis formula of vibration velocity prediction model that is suitable for multi-row millisecond blasting was proposed.
其次,在分析地震波的特征和传播规律的基础上,介绍了爆破地震振动分析与预测的方法;
Secondly, the transmission rules and characteristics of blasting seism wave are analyzed in the paper. The methods of analyzing and predicting blasting vibration are introduced in this paper too.
就爆破安全振动的判据标准提出探讨。
简述重庆市快速轨道交通大坪出渣支洞爆破施工过程中爆破振动测试及建筑裂缝的监测方法及成果。
The monitoring method and results for the vibration and crack induced by blasting for Daping mucking tunnel of Chongqing city express-railway are briefly presented.
本项目重点在于提出确保核电站结构及设施安全的爆破振动强度的阈值。
The emphasis of this project is to present threshold value of blasting vibration strength to ensure structure and apparatus of nuclear power station safe.
采用数值模拟方法,对新浇混凝土灌注桩在爆破振动作用下的动态响应进行了分析。
The dynamic response of fresh concrete filling pile under blasting load is studied by numerical simulation in this paper.
爆破振动分析是研究爆破振动危害控制技术的基础和前提之一。
Blasting vibration analysis is one of the important foundations for studying the control technology of blasting vibration damage.
近几年,爆破界学者把人工神经网络运用在预测爆破效果及爆破振动峰值上取得了较好的效果。
In the last few years, people have acquired better knowledge in estimating the result of blasting and the peak of vibration in blasting.
爆破振动安全标准如果不考虑振动频率的影响,则难以准确地衡量爆破振动的危害。
It is difficult to measure the danger of the blasting vibration if the effect of frequency is not taken into consideration in the safety criterion of blasting vibration.
结合大量工程爆破地震监测资料,对不同爆炸参量下产生的爆破振动信号进行反应谱分析。
According to the monitoring data obtained from engineering blast the blast vibration signals with different explosion parameters are analyzed by response spectrum.
爆破振动的破坏作用不仅与振动强度有关,而且与频率特性有关。
The fracturing action of blasting vibration is not only related by vibration intensity, but also frequency specific property.
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。
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.
根据现场爆破震动测试成果,建立了小湾地下厂房围岩爆破质点振动的预测模型。
The Xiaowan underground powerhouse surrounding rock blasting particle vibration prediction model was established on the basis of the site blasting shock test and measurement.
爆破振动速度在竖直向有放大效应,对于距爆源等距离的竖直向的爆破振速大于水平向。
Blast vibration velocity has magnify effect in the vertical direction, the vibration value of vertical direction is bigger than horizontal direction at the same distance to blast place.
我国现行采用的新浇筑大体积混凝土基础面上的爆破安全振动速度有一定的安全储备。
The safety vibration velocity for young foundation concrete adopted in our country is of some safety.
本方法亦可用于分析爆破振动信号在传播过程中能量随时间的衰减规律,对综合研究爆破机理和爆破地震波有指导意义。
The method can be also applied to analyze the attenuation laws of energy for blasting vibration signals during the propagation, blasting mechanism and blasting seismic effects in its entirety.
工程爆破中的灾害主要有爆破有毒气体、扬尘、噪声、飞石、振动和爆破引起的触地振动、爆破水灾和涌浪、空气冲击波或水击波等。
Disasters in engineering blasting includes toxic gas, dust, noise, fly rock, blasting vibration, touchdown vibration, flood caused by blasting, ground swell, air or water blasting wave.
工程爆破中的灾害主要有爆破有毒气体、扬尘、噪声、飞石、振动和爆破引起的触地振动、爆破水灾和涌浪、空气冲击波或水击波等。
Disasters in engineering blasting includes toxic gas, dust, noise, fly rock, blasting vibration, touchdown vibration, flood caused by blasting, ground swell, air or water blasting wave.
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