地震动强度指标是建筑结构抗震设计的重要依据。
Ground motion intensity measure (im) is an important basis for structural seismic design.
作为地震动强度指标,峰值加速度一直是研究最多的物理量。
As the intensity index of ground motion, PGA (peak ground acceleration) is often employed and analyzed.
采用非传统概率方法—凸集方法来考虑地震动强度的不确定性。
In this paper we consider the uncertainty of seismic strength using convex set approach other then the traditional probabilistic method.
地震影响场反映了地震动强度的空间分布或与空间相关的地震动场。
The seismic influence field reflects the space distribution of seismic intensity or space-related seismic ground motion field.
通过硐室爆破模拟试验,对不同布药结构产生的爆破震动强度进行了对比。
Through simulated tests of chamber blasting, a comparison between the intensities of blasting vibrations from different charge layouts is made.
概率地震需求分析的主要工作是获得不同地震动强度水平下结构地震需求的概率分布。
The main work of probabilistic seismic demand analysis is to obtain the probabilistic distribution of structural seismic demand at different intensity of ground motions.
爆破震动强度的预测一直是爆破震动危害控制的前提和基础,也是其研究的一个重要课题。
Forecasting of the blasting vibration is always the premise and basis of the controlling of the blasting vibration damage, and is an important subject of it.
同时,由于地裂的存在及形成又使得在地震时耗散更多的能量,从而使得地面地震动强度减小。
On the other hand, because the ground rupture can absorb abundant energy during earthquake, the earthquake impact on the ground will be consequently reduced.
对这些震动的速度和强度的分析让我们对我们脚下的东西有了更具体的了解。
Analysing the speed and strength of these shudders is fleshing out our picture of what lies beneath us.
而这种震动的频率、强度和时间都取决与‘冰管员’的破冰对象——风挡玻璃、飞机机翼或是桥梁线缆。
The frequency, intensity and duration of the jolts depend upon what the IceController is trying to de-ice-a windshield, airplane wing or bridge cable.
很多混凝土大坝也受到主震后发生的高强度的余震的震动,也没有受到叠加损坏。
Many concrete DAMS have also been shaken by high intensity aftershocks that occurred after the main earthquake without any additional damage.
本周三下午4:28,在墨尔本和维州东部的人感受到了4.5级强度的地震,这次震动与12天前的那次相似。
At 4.28pm on Wednesday, a 4.5 magnitude earthquake was felt in Melbourne and eastern Victoria, 12 days after a similar tremor.
总部设在联合王国诺丁汉的英国地质勘探局的一位地震专家RichardLuckett说,从1751年以来,这个体系从来没有发生过类似强度的地面震动。
That system has not produced a quake of similar magnitude since 1751, says Richard Luckett, a seismologist at the British Geological Survey, which is headquartered near Nottingham, UK.
当震动在一定方向和频率、幅度内达到一定强度时,会导致人体产生较严重的生理不良反应。
When shake reach to some intensity in some direction, frequency and extent, people will have serious bad reaction.
使用高强度铝金手臂配合线性滑轨,上下速度快,震动小耐磨耗。
This high strength aluminum alloy robot is equipped with linear slide rail, so it has fast loading and unloading speed, low vibration and high wear resistance.
要知道这种设备的使用,温度不宜过高,震动的强度不能太强烈。
To know the use of such equipment, the temperature should not be too high, the intensity of the vibration can not be too strong.
由于采用独特的抗抖动、震动、摆动智能数字滤波器,读数稳定性好,稳定时间短,高强度铝合金铸造机壳。
Due to adopt unique anti dithering, vibration and swing the intelligent digital filters, good stability, reading stable time is short, high strength aluminum alloy casting casing.
震动马达能打开和关闭并能改变强度。
The rumble motor can be turned on and off and the intensity can be changed.
室内动力试验提供土石料可靠的动强度和动力参数是土石坝地震动力分析准确性的关键。
Credible dynamic parameters of dam materials obtained from indoor tests are the key to the accuracy of dynamical analysis for earth-rock dam.
大功率LED灯体积小、重量轻,环氧树脂封装,可承受高强度机械冲击和震动,不易破碎。
High power LED Lamp is characterized by small volume, light weight, epoxy resin packaging, good impact resistance and unbreakable property.
若增加结构较短周期方向的设计强度,可在一定程度上降低双向地震动不利影响;
Increasing the design strength of structures in the direction with shorter period can reduce the negative effects of bi-directional ground motions on structural response.
优秀的电绝缘性能,固化后形成高强度的柔性橡胶体,保护组件免受机械震动及外力冲击。
Cured flexible rubber has good performance in electrical insulation to protect the module free from machinery vibration and out force impact.
地震动时程记录是一个明显的非平稳过程,不仅体现在时程幅值强度分布上,更体现在各频率成分上。
Currently, the traditional wave fitting processes makes the frequency of non-stationary greatly weaken, which oriented towards the goal of of response spectra for the intensity non-stationary fitting.
由于被世界公认的优强度、耐久性、耐气侯性、耐震动性,通用箱不仅作为国内的通用箱而且在输出入用的通用箱中发挥了它的威力。
Due to its well known strength, durability, weather resistance, anti-vibration effect, the returnable case has shown its power not only in domestic logistic but also in export and import.
为了进一步加强碳纤维的强度,加入了不锈钢环来保证它在承受重量下的耐用度,并且同时剪断沿著碳纤维壁垂直传递的微震动。
Added stainless-steel ring to further reinforce the carbon fiber, ensuring its durability under heavy loads, also cuts the vertical vibration transmission.
结果表明:输入地震动的强度和频谱特性对复合地基地震效应影响较大;
Then some rules are presented: the frequency characteristics, acceleration peak value of the input ground motion have great influence on the seismic response of composite foundation.
结果表明:输入地震动的强度和频谱特性对复合地基地震效应影响较大;
Then some rules are presented: the frequency characteristics, acceleration peak value of the input ground motion have great influence on the seismic response of composite foundation.
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