• 根据隧道掘进爆破震动监测数据分析了隧道掘进爆破震动特征,拟合得到了泰山花岗岩中地面振动速度的变化规律。

    Based on monitoring vibration data from the tunneling blasting, the characteristics of vibration from the shallow tunneling blasting are analyzed.

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  • 镜架支撑安装面上实测地面振动速度功率谱密度激励运用ANSYS有限元分析软件PSD分析模块,对结构系统的随机振动响应进行了分析计算。

    The PSD measured on the install base level of the mount as the excitation, the random vibration response of the mount was analyzed with the PSD module of ANSYS.

    youdao

  • 这些节点可以地面振动测量出车辆速度方向

    They were able to measure the speed and direction of vehicles from ground vibrations.

    youdao

  • 哈尔滨市幢16楼房爆破拆除过程进行了现场监测获得了爆破楼房倒塌过程引起地面质点振动速度频率等数据。

    The demolition process of a 16th floor building in Harbin was monitored, and vibration velocity and frequency of ground particles were obtained during the blasting and collapsing process.

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  • 隧道埋深地铁列车运行速度荷载频率、隧道衬砌弹性模量因素地面振动极大的影响

    Tunnel depth, subway train speed, loading frequency, tunnel lining elastic modulus and other factors have great impact on the ground vibration.

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  • 研究结果表明:简谐地面速度作用下,高频震动可以引起长周期结构产生很大位移反应,且最大位移反应出现结构态自由振动阶段。

    It is concluded that the transient response to a high frequency harmonic ground motion can increase greatly the displacement response of structures, particularly for the long period structures.

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  • 利用地面车载测试系统列车车体表面、车厢内部、隧道壁面空气压力变化、隧道内列车、隧道口微气压和隧道壁面振动速度参数进行测试

    Using the ground and vehicular test systems, many parameters such as pressure change, wind caused by train, micro-pressure wave and vibration acceleration of the wall of tunnel were tested.

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  • 星期五地震震中峰值地面速度或者振动接近距离震中110英里(172公里岛第一核电站设计承受能力的2倍

    Peak ground acceleration, or shaking, caused by Friday's earthquake was nearly double—at its epicenter—than what the Fukushima Daiichi plant, 110 miles (172 km) away, was built to withstand.

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  • 现场试验包括:①测定冲器水平力作用产生地面速度以及制桩时引起地面速度振点距离之间的关系;

    The in-situ measurement includes:( 1 ) the ground acceleration due to horizontal vibrating force caused by the vibroflot and its variation with the distance from the vibrating center;

    youdao

  • 现场试验包括:①测定冲器水平力作用产生地面速度以及制桩时引起地面速度振点距离之间的关系;

    The in-situ measurement includes:( 1 ) the ground acceleration due to horizontal vibrating force caused by the vibroflot and its variation with the distance from the vibrating center;

    youdao

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