查询词典 bridge

According to the construction course and finished dead state of the inclined tower cable-stayed bridge without back stay at Tongling Road in Hefei and combining the modern theory and method of the bridge construction control mentioned in this paper, established a space model by large-scale general finite element software ANSYS. It can obtain some valuable result by emulating analysis of the bridge which is under the construction course and finished dead state. It can provide an instruction for the Tongling Road bridge with the result and construction job site monitoring data.

文中根据合肥市铜陵路预应力混凝土无背索斜塔斜拉桥的具体施工过程和成桥状态，结合文中介绍的现代桥梁施工控制理论和方法，运用大型通用有限元软件ANSYS建立了三维空间模型，对该桥进行了施工过程和成桥状态下的结构仿真模拟分析，将模拟计算结果与施工现场振动频率法索力测试数据和分析结果相结合，为铜陵路无背索斜塔斜拉桥拉索张拉施工提供指导，及时调控，确保了该桥在成桥后线形美观，受力性能满足要求。

Based on the differences between the design value and the survey of the bridge deck elevation in constructing the pre-stressed and so on working condition, the model parameters are identified by ANN, and the beam camber of different sections are given. The results demonstrated that the ANN is efficient and the theoretical results fit well with that of forecasting the beam camber in construction.In this thesis, aim to the beam axis shape be exactitude for design, the internal force of the beam be appeased by design request, the concept of modem cybernetics is applied, At the same time, the effecting parameter has collected. The paper build the ANN model in predicting the beam camber an construction and discuss indetail the extraction of inputting nodes information when quoting the fundamental principle of ANN model and introducing research process of the improved BNN. According to them, ANN is applied in the construction control of prestressed concrete continuous bridge. It is successful for used in the No. 4 bridge of Xiangfan bridge over-crossing Hanriver brideg. To predict the construction camber of by ANN method is useful and effective.

本文以大桥成桥线形满足设计要求和成桥内力控制在设计容许范围内为目的，运用现代控制理论的思想，引用神经网络基本原理，详细介绍BP神经网络的研究过程，从而建立预应力混凝土连续梁桥施工预拱度的神经网络模型，并详细讨论了模型的神经网络结点信息的提取，在工程实例的基础上进行了数值计武汉理工大学硕士学位论文算，数值表明，将神经网络应用于预应力混凝土连续梁桥施工控制，获得了满意的结果，在预应力混凝土连续梁桥施工控制技术研究方面，具有方便有效、精度高的优点，具有良好的应用前景。

The project used in conjunction with three holes of a prestressed continuous box girder design, layout for cross-bridge 30m +30 m +30 m, two-way four-lane bridge to meet current conditions, after the completion of the construction of the bridge under the bridge to meet the 8-lane two-way traffic conditions.

本工程采用三孔一联预应力连续箱梁设计，桥跨布置为30m+30m+30m，桥上满足双向四车道通行条件，建设完成后满足桥上桥下双向8车道的通行条件。

Using the models, the author has also calculated the vibration response to high speed railway vehicles of three types travelling over simply-supported beam bridges with various span lengths respectively. Based on the analysis of the computation results, the concept of resonance velocity of a bridge under a high speed running vehicle is present, and it is pointed out that comparatively great vibration of bridges on high speed railways is caused by bridge resonance resulted from the static force pulsating. In a vehiclebridge coupling vibration system, the damping constant of the axle spring is the main factor affecting the response variable of bridge velocity resonance, and the influence of track irregularity on bridge vibration on high speed railways is rather smaller.

利用所建立的计算模型，计算了三种形式的高速铁路车辆通过各种跨度简支梁桥结构时的振动响应，对所得到的计算结果进行了详细的分析，提出了高速行车下桥梁共振速度的概念并指出高速铁路桥梁产生较大振动的原因是静力脉动引起桥梁共振造成的；通过研究车—桥耦合振动系统方程的参数后指出，在车—桥耦合振动系统中，车辆—系阻尼的大小是影响桥梁速度共振时响应大小的主要因素，轨道不平顺对高速铁路桥梁振动的影响较小。

5Study on vehicle-bridge coupled vibration program of multi-beams bridgeThe vehicle-bridge coupled vibration equation is detruded on the base of three axisvehicle,and the vehicle-bridge coupled vibration program is established with iteration method,which is used for analyzing the dynamic response of the assembly slab bridge.

5板桥车-桥耦合振动程序研究以三轴车辆为例建立车-桥耦合振动方程，采用分离迭代法，编制了板桥车-桥耦合振动程序，并以实例验证了其计算结果的正确性，为装配式板桥动力响应分析提供计算平台。

Company produces instrumentation pipe fittings, valves, Health Line bridge, steel bridge, fire tray, glass tray steel, aluminum alloy bridge, busbar, high-low-voltage distribution equipment and lighting boxes, power boxes, instrument incubator of the enterprise, access to the National Technical Exposition Busway gold, bridge, low-voltage switchgear was Zhenjiang City Technical Supervision promulgated the hair quality certificate, the company's products have been used for supporting the use of national key project.

公司生产仪表管件、阀门、汇线桥架、钢制桥架、防火桥架、玻璃钢桥架、铝合金桥架、母线槽、高低压配电设备及照明箱、动力箱、仪表保温箱的企业，母线槽获得全国技术博览会金奖，桥架、低压开关柜获得镇江市技术监督局颁布发的优质产品证书，本公司产品先后被用于国家重点工程配套使用。

In the construction of highway bridge and railway bridge, square box boltwelding girder steel bridge is commonly used in the construction of steel bridge.

在公路、铁路桥梁建设中，方箱式栓焊梁钢桥梁，是钢桥梁建设中常用的一种桥梁形式。

The conversions of ice temperature and ice velocity occur from bridge to trough of terrain on the eastern Nyainqentanglha Range. The ice temperature at bridge is lower. The ice at bridge starts to move due to the larger gravitational driving stress. During the course from bridge to trough of terrain, basal ice temperature rises because of the friction. While reaching the pressure melting point of ice, basal decollement occurs, and higher velocities can still be produced at trough.

而位于念青唐古拉山东部地区的冰川，冰温和冰速从地形脊到地形槽处发生了较大的转化过程，在地形脊处冰温较低，受重力加速度的影响，冰川开始产生滑动，从地形脊到地形槽滑动的过程中，其底部受摩擦加热的影响，底部冰温升高，达到融化点，底部产生变形，到地形槽处仍会产生较大速度的滑动，因此冰川的运动从地形脊到地形槽处发生了转化，即地形脊处的滑动属动力过程引起的滑动，而地形槽处的滑动属热力过程产生的滑动。

Zhongshan Bridge Baita the foot of the mountain north of the city of Lanzhou in the Yellow River Iron Bridge, Lanzhou is the most long-standing history in the Old Bridge,"the world first Yellow River bridge," said.

中山桥位于兰州城北白塔山下的黄河铁桥，是兰州境内历史最为悠久的古桥，有&天下黄河第一桥&之称。

Bridge crane installed in the bridge along the track on both sides of the elevated vertical run,Lifting trolley along the bridge on the laying of the track in the horizontal run, which constitute the scope of work of a rectangle, you can take full advantage of the space bridge was being lifted the following materials, the hindered from ground equipment.

桥式起重机的桥架沿铺设在两侧高架上的轨道纵向运行，起重小车沿铺设在桥架上的轨道横向运行，构成一矩形的工作范围，就可以充分利用桥架下面的空间吊运物料，不受地面设备的阻碍。

Means the parent directory, so this command means to execute "toolchain.sh," which is in the current directory.

代表父目录，所以这个命令就是执行当前目录下的"toolchain.sh"。

Yes,In fact,I'm on our city ream.

是的。事实上我是我们市队的。