• It is a good assurance for reliability and security of road surface structure to identify pavement moving loads accurately.

    准确识别路面移动载荷是确保公路路面结构可靠性与安全性的重要保证。

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  • Moving loads identification is one of the important measures for health monitoring of bridge because the cyclic action of moving loads may lead to fatigue damage or even failure of the bridge.

    移动车辆荷载反复作用会导致桥梁疲劳损伤甚至破坏,移动荷载识别是桥梁健康监测的重要措施之一。

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  • Predecessors have affirmed through both theoretic and practices that the vehicle moving loads would lead to more deformations and stresses for bridge structures than the equivalent static loads.

    前人已经从理论和实践上证实了,在移动车辆荷载作用下,桥梁结构将产生比相同静荷载作用下更大的变形和应力。

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  • Predecessors have affirmed through both theoretics and practices that the vehicle moving loads would lead to more deformations and stresses for bridge structures than the equivalent static loads.

    前人已经从理论和实践上证实了,在移动车辆荷载作用下,桥梁结构将产生比相同静荷载作用下更大的变形和应力。

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  • A novel BP neural network-based stage identification method for moving loads on bridge is proposed.

    提出了一种基于BP神经网络的桥上移动荷载的分阶段识别新方法。

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  • An exact method for computation of envelopes of various internal forces of skeletal structures under moving loads is developed.

    提出移动荷载作用下杆系结构内力包络图的精确计算方法。

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  • Taking account of the direct effect of ground vibration on buildings, the ground responses caused by the moving loads is studied in detail.

    考虑到地基振动对建筑物产生的直接影响,本文对移动荷载引起的地基响应作了详细的研究。

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  • A hybrid method of 2.5 dimensional finite element and thin-layer element was developed to study dynamic ground responses due to moving loads.

    通过建立2.5维有限单元结合薄层单元方法,研究了接近或超过临界速度的移动荷载作用下地基三维振动问题。

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  • New features include automatic area load distribution, fluid loads, load patterning, moving loads, a command line, named selections and much more.

    新功能包括自动负荷分配,流体负载,负载模式,移动荷载,命令行,命名选择等等。

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  • This paper discusses dynamic response of rectangular plates with free edges on viscoelastic foundation under moving loads and gives an approximate solution.

    本文首先研究了粘弹性地基上四边自由矩形板在运动载荷作用下的动态响应问题,得到了问题的近似解答。

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  • In order to evaluate the vibration along railway correctly, it is necessary to lucubrate the dynamic response of ground bearing the moving loads of vehicle.

    为了正确评价轨道沿线环境的振动,有必要深入研究列车荷载作用下地基土的动力响应。

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  • To investigate high-speed train induced subground vibrations, viscoelastic half-space under moving loads was used to model the subground under passing trains.

    分别以移动荷载和黏弹性半空间体模拟运动列车荷载和地基,分析了地基在运动列车作用下的动力响应。

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  • Based on the dynamic differential equation, the calculating methods of the continuous and hinged elastic base beams under the action of moving loads with uniform speed are studied in the paper.

    从动力学微分方程出发,研究了匀速移动载荷作用下弹性基础连续梁和弹性基础铰接梁的计算方法。

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  • The computations show that the foundation elasticity stiffness abrupt change has greater influences on beam vibration. This influences increase with increase of the velocity of the moving loads.

    计算表明,基础弹性突变对梁的振动有较大影响,其影响随着移动荷载速度的增加而增加。

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  • Based on the field load tests of more than 40 years old a reinforced concrete crane girder after strengthening strengthened with CFRP, the strains and deflections under the moving loads were analyzed.

    通过对一个已使用40多年的钢筋混凝土吊车梁碳纤维加固后的现场加载试验,分析了加固后吊车梁在吊车移动荷载作用下正截面和斜截面的应变分布规律及挠度变化规律。

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  • Based on the field load tests of more than 40 years old a reinforced concrete crane girder after strengthening strengthened with CFRP, the strains and deflections under the moving loads were analyzed.

    通过对一个已使用40多年的钢筋混凝土吊车梁碳纤维加固后的现场加载试验,分析了加固后吊车梁在吊车移动荷载作用下正截面和斜截面的应变分布规律及挠度变化规律。

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