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。
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。
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。
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。
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。
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。
With the moving loads of an airport and a heavy vehicle, an numerical example shows the identification results and the high accuracy of the approach.
通过对某一机场分别用飞机及重型车加载的实测数据进行计算，表明所得结果具有较好的精度。
The dynamic displacement and connection forces characteristics of a floating bridge with nonlinear connecters subjected to moving loads were investigated.
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。
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。
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。
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。
So the dynamic response of the plate girder bridge under moving loads are the problem which is concerned about all along, and also a project to be studied deeply.
同时，简支板梁桥又是小跨径桥梁最常用的桥型之一，因此，移动车辆荷载引起的简支板梁桥动力效应越来越被工程技术界所关注。
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。
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。
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。
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。
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。
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。
The results show that: In the uniform moving loads with bearing damage of the hollow cross-Panchiao deflection dynamic magnification factor of the bearing can not damage more than 22 percent increase.
结果表明：在匀速移动荷载作用下，带支座损伤的空心板桥跨中挠度的动力放大系数可以比支座未损伤时增大22%。
When the load boundaries vary with time and under the dynamics loads, the mesh generator can derefinement and re-refinement dynamically mesh with moving of stress concentration region.
当荷载作用边界随时间变化及在动力荷载作用下，网格生成器可随应力集中区域的变化而动态退化与再加密网格。
Ensure the correct size connection and ensure the capability of withstanding the thrust loads generated by the force of the moving water in the hose lines.
确保正确的大小的连接，并确保承受的推力由移动水的软管线力量产生的负载能力。
The fatigue resistance of complicated welded structure subjected to moving vehicle loads needs to be further researched.
在车辆移动荷载作用下，这种复杂焊接结构的疲劳可靠性有待于进一步研究。
These supports, in addition to carrying local loads from cargo, etc, serve to keep the deck and bottom from moving toward each other as a result of longitudinal bending of the hull girder.
这些支撑，除运载来自货物等等的局部载重之外，也保持甲板和底部避免由纵向船体纵桁弯曲造成的相互位移。
Based on the theory of moving force identification and the characteristic of moving constant axle loads, a new fast and simplified algorithm is proposed for the moving force identification.
基于移动荷载识别理论并根据移动常力轴载特点，提出了一种用于准确识别移动常力轴载的快速算法。
Analyzing the character of moving and dynamical character about roller, and the character of bearing loads about hemp during the course of rolling.
分析了旋辊式机械脱胶过程中旋辊的运动和动力特征以及原麻的受力情况。
By the moving camera, the image present loads of details from the old photo that could easily be forgotten by the passing time.
通过相机的在老照片空间和镜像空间之间的切换移动，影像完整呈现了那些轻易随着时间流逝的，被遗忘的许多细节。
The effect is largely dependent on the load on the string, with the resultant friction forces being of most influence when high loads are encountered under static or slow-moving conditions.
当静止或慢速移动状态下遭遇到高负荷时，在合成摩擦力是最大影响的情况下，带效应在很大程度上取决于管柱上的负荷。
The effect is largely dependent on the load on the string, with the resultant friction forces being of most influence when high loads are encountered under static or slow-moving conditions.
当静止或慢速移动状态下遭遇到高负荷时，在合成摩擦力是最大影响的情况下，带效应在很大程度上取决于管柱上的负荷。
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