查询词典 T-beam bridge

Combined with general situations of Lamawan the Yellow River Bridge the major diseases as well as the causes of those diseases of this bridge are analyzed,at the same time corresponding repairing and reinforcement measures of cracks,bridge pavement slab and bottom slab of box beam are proposed,in order to ensure the normal service and safety of this bridge.

结合喇嘛湾黄河大桥的具体概况，分析了该桥存在的主要病害及其各种病害产生的原因，介绍了裂缝、桥面板、箱梁底板等的维修加固措施，以保证该桥的交通正常运行以及安全性。

By applying the sinusoidal wave mode to simulate the rugged surface of bridge deck,accounting for vehicle-bridge interaction and using Euler-Bernoulli beam theory, a coupling vibration model of vehicle-bridge system was developed. The model was solved by mode analyzing method and Runge-Kutta method, and the dynamic response and the resonance curve of the bridge were obtained. It is found that there are two resonance regions, one represents the main resonance while the other the minor resonance, in the reson...

通过用正弦波形模拟桥面的不平和考虑移动车辆-桥梁间的相互作用，在Euler＿Bernoulli梁理论的基础上建立了一种车桥系统的耦合振动模型·利用模态分析法和Runge＿Kutta法对模型进行数值求解，获得了车桥系统耦合振动的动态响应和共振曲线·发现车桥耦合振动的共振曲线中存在两个共振区域，一个反映主共振而另一个反映次共振·讨论了桥面不平、桥梁振型和车辆间的相互作用对系统振动的影响·数值结果表明，这些参数对系统振动的影响很大，桥面不平和振型对车桥系统耦合振动的影响不能忽略，设计车速应该远离临界车速

Vehicle-bridge vibration system can be divided into two subsystems at the interface of wheel and bridge, one for the bridge and the other for the vehicle. The vehicle-bridge coupling relationship, including the geometrical compatibility condition and the static equilibrium condition between vehicle and bridge, is established.

将整个车桥系统在车轮和桥梁接触处划分为车辆、桥梁两个子系统，通过车轮和桥梁接触点处位移协调条件和力的平衡条件建立了车-桥系统动力方程。

The different methods for establishing the equations of vehicle-bridge system are summarized and assessed. The vehicle-bridge coupling relationship, including the geometrical compatibility condition and the static equilibrium condition at the interface of wheel/rail, is established. The forces on the vehicles, which coming from bridge deflection and track irregularity, and those on the bridge, which coming from vehicle deflection, are given. Then, the governing equations of vehicle-bridge system are setup.

提出了车桥系统运动方程求解的分离迭代技术和相应的数值解法：对建立车桥系统方程的各种不同方法进行归纳与总结；详细建立了车桥耦合关系，即轮轨接触点处的几何相容条件和静力平衡条件；给出了由于桥梁位移和轨道不平顺而引起的作用在车辆上的轮轨力，以及由于车辆位移引起的作用在桥梁上的轮轨力。

This paper applies a software ANSYS to calculate the bridge of Kazi gulf in three-dimensional entity model, compute the left bridge under the initial and the gravity before gather together, carry on left bridge and the whole bridge'mode analyses, finally analyze the left bridge under artificial seismic waves.

本文应用大型有限元软件ANSYS 对卡子湾大桥三维实体模型进行分析，计算左桥合拢前在预应力和重力组合作用下的应力状况，进行左桥和整桥的模态分析，最后分析左桥在人工地震波作用下的动力时程反应。

Given two bridge-builders, a man and a woman, given a certain bridge to be built, and given as always the unchangeable laws of mechanics in accordance with which this special bridge and all other bridges must be built, it is simply inconceivable that the preliminary instruction given to the two bridge-builders should differ in quantity, quality, or method of presentation because while the bridge is building one will wear knickerbockers and the other a rainy-day skirt.

假定分别有男女两位桥梁建造者，要去建造指定的一座桥，在建造这一独特的桥及其它一般的桥的力学规律总是不变的情况下，简直不可想象，男女建造者所受的基本教育应有所不同；更不可想象，只是因为在施工时，一个穿灯笼裤，另一个穿防雨裙，而必须让他们在质量、数量及教学方法上接受不同的教育。

I make "419 roads " going to , passing round north tetracylie sees the "Beijing National Stadium" time be probably 17:40 since traffic control , possessions run by all passing round of the "Beijing National Stadium" north bus,this moment the tetranuclear people of north is not many ,"the intelligent bridge circles in the air from safety" to "strengthening neither having many person bridge " inside, because of but the personnel has controlled face to face ,"the intelligent bridge circles in the air to "strengthening only when the people who holds a ticket can enter secondary safety" bridge " area, Entering mansion , our thereby having stood for one in a nearest fault street overline bridge will be, what all fails to see basically.

还是决定去鸟巢附近看看，由于交通管制，所有走鸟巢北边的公交全绕行，我做419过去的，绕行北四环看到鸟巢大概是17：40，这时候北四环人还不是很多，从安慧桥到健翔桥里面也没什么人，但是对人员也管制了，只有持证的人可以进入安慧桥到健翔桥区域从而进入场馆，我在最近的一个天桥站了一会，基本什么都看不到

For the steel truss girder with abroad \\\"bridge crane bar assembled Law,\\\" the level of technology and equipment as a result of the limited duration of its long, far from being able to meet China\\\s bridge construction project as requested in the analysis of large-span suspension bridge mountain girder erection difficulties under the premise that after the election raised more than Aizhai Bridge \\\"self-cross-cable crane swing shift\\\" program to set up the main truss, which is mountainous suspension bridge girder erecting another major innovation.

对于钢桁梁，用国外的"桥面吊机杆件拼装法"，由于工艺和设备水平所限其工期长，远不能满足中国桥梁建设工期的要求，在分析山区大跨悬索桥主梁架设困难的前提下，经过多方案比选提出矮寨大桥"自行式跨缆吊机荡移"架设主桁方案，这是山区悬索桥主梁架设的又一个重大的创新。

Hou Kong area inside the formation transportation road and bridge network, Shantou Bay Bridge, Stone Bridge, the bridge Hou Kong, such as 5 cross the bridge crossing the river, the Shenzhen-Shantou Expressway in the eastern section of this starting point, to wear 324 national territory and, Nanbin Lu, Lei Guang Road, Pu River Road, East Road, as well as Australia, and other trunk roads criss-crossing River Road, the whole region to achieve concrete Every Village Road.

濠江区境内路桥交通形成网络，汕头海湾大桥、石大桥、濠江大桥等5座大桥跨海过江，深汕高速公路东段在此起点，324国道穿境而过，南滨路、磊广公路、河浦大道、澳东公路以及河中路等主干道纵横交错，全区实现村村通水泥公路。

Broken Bridge of Miaoli original completion in 1907, the bridge with red brick structure which was the arch construction, the bridge deck from the ground 50 meters, the highest mountain railway bridge, was Taiwan's biggest railway bridge, Which was known as the best railway in the art in that time.

苗栗断桥原来完工於1907年，桥身用红砖块搭建而成的拱形建筑，桥面距地面有50公尺，是山线铁路中最高的桥梁，为当时台湾铁路最大的拱桥，在当时还被称为台湾铁路中的艺术极品。

The work of this paper is as follows: 1. Looking back the progressing history of the linear motor, introducing the features of the elevator driven by linear induction motor, radicating the topic of this paper "the digital frequency variable control of the elevator bi-side direct driven by linear induction motor". The research of this paper covers the conventional VVVF control, space vector based VVVF control, vector control and DTC.

本文主要开展了以下几个方面的工作： 1 回顾了直线电机发展历史，电机的驱动技术演变，特别是针对直线电机的驱动，简要介绍了直线感应电机驱动电梯的优点和不同结构类型，对传统的v／f控制，基于空间矢量法的v／f控制，矢量控制，和基于电压空间矢量的直接转矩控制进行了比较，确立了本课题的研究主题：直线感应电机双边直推式驱动电梯的全数字变频控制。

The article combines with the treatment of a superficial civil air defense work to introduce how the grouting method to improve the performance of the backfill soil.

文章从治理漂浮人防工事的角度提出了注浆技术在改善回填土性质方面的应用，并详细阐述了注浆技术的施工流程。