查询词典 trellis girder

This paper explained the construction technology of the bearing replacement for quasi-continuous T-girder bridge and analyzed the causes of bearing disease.

本文着重介绍准连续 T型梁桥支座替换工程施工技术，并分析支座病害原因。

Bridge engineering ; central-slotted box girder ; wind tunnel test ; flutter performance ; CFD numerical simulation ; flutter control

桥梁工程；中央开槽箱梁；风洞试验；颤振性能； CFD数值模拟；颤振控制

The force transmission, due to the crane trolley wheel pressure, from rail to bias-rail box girder belongs to the nonlinear contact. There is a coupling relationship between the deformation of contact area and the stress distribution.

小车轮压作用下，轨道与偏轨箱形梁之间力的传递属于接触非线性问题，接触面间的变形和应力分布存在相互耦合的关系。

Works for the Ministry of Construction of the project model works, all using H steel steel girder, rigid, by 8 degrees earthquake design and introduction of double-reinforced technology and GKP 11,300 panels, food warming on technology, the heating system to implement the "two-pipe into households, household metering, sub-room facility" management, and Practical intelligent technology choices, the installation broadband network and enhance the use of functions.

该工程为建设部立项的示范工程，全部采用H钢钢梁、钢柱，按8度抗震设计，并引进双钢筋叠合板技术和GKP外墙外保温技术，供暖系统实施&双管进户、分户计量、分室控温&管理，同时，选择实用的智能化技术，安装宽带网，提高使用功能。

Our supply includes:All kinds of launching girder,Special launching carrier, Carriers,Gantry, Straddle carrier,Marine hoist,Tyre trolley,Bridge mold 国际会展领航ZAqq9h }G

主要提供下列产品：桥梁架设设备及配套施工机械、大型跨式搬运机和特殊吊运机械、特种运输机械和车辆、预制梁自动液压模板等。

Take the fabrication and erection of 32m double line box girder of Liaohe Super Major Bridge as an example, the paper describes in detail the construction technology and key technique of travelling trestle bridge fabrication machine.

介绍秦沈客运专线辽河特大桥 3 2m 双线箱梁的制架施工，详细阐述移动支架造桥机拼造 3 2m 双线箱梁的施工工艺和关键技术。

For the high tensile bolt connection between girders and carriages of double girder overhead traveling crane with electric hoist, this paper analyzes the forces exerted on the bolts and gives their strength check procedures.

摘要介绍了葫芦双梁主梁与端梁连接的高强度螺栓的校核过程，通过分析高强度螺栓的受力特点，建立校核模式，总结校核步骤及方法。

Structure form adopts converse triangle beam double-hole connection welded by general electric trolley wall plate and steel plate, connection shaft, triangle beam bottom is connected with girder by nut and thrust bearing, triangle beam could rotate 360 degrees horizontally, thus realize whole set electric trolley horizontal rotation, largely reduce curve track curvature radius of electric hoist traveling mechanism.

结构形式采取通用电动小车墙板与一个钢板和连接轴组焊的倒三角形吊梁双孔连接，三角吊梁下面通过螺母及推力轴承与一个横梁连接，三角吊梁相对横梁可在水平方向做360度旋转，从而实现电动小车的整体水平方向转动，大大减小了电动葫芦运行机构弧形轨道曲率半径。

In this paper, the seismic response of a high pier three-span continuous box girder bridge is detailed calculated, and the measures that prevent beam down and crushing pillar to damage of the structure in big earthquake is advanced.

通过时一座高墩三跨连续箱梁桥的地震响应进行数值模拟计算，分析了高墩桥梁的地震响应特点，提出了高墩桥梁在大震作用下应采取防止落梁及墩柱压渍破坏的构造措施。

A three-span continuous curved box girder bridge model was made to meet the specific requirements of the research work of this paper.

制作了一个三跨混凝土曲线箱梁桥模型，基于合理的试验流程安排，进行多工况下的普通连续曲线箱梁桥和整体式桥台连续曲线箱梁桥的剪力滞效应试验，得到两种桥型在试验工况下的剪力滞系数。

According to our present broadcasting situation,the thesis proposes using new technology to update and reform the present HFC. It also suggests broadcasting using self-advantage and arranging EPON in order to win the supermarket.

论文从我国广电的现状出发，结合实际，积极倡导采用新技术更新、改造我国现有的HFC网络；倡导广电现阶段利用自身优势，部署EPON网络来赢取市场。

A new general kinetic equation was derived in which the effect of the removal of condensation water was taken into account completely, and was applied to the polyesterification kinetic study of AA/HPHP and AA/NPG. It was found that the reaction order of self-catalyzed polyesterification was not constant. For these polyesterifications, the reaction order was 2.5 at a low temperature, while 3.0 at a high temperature.

考虑缩合水的排除对反应体系的影响，用体积浓度单位推导出一个新的聚酯反应总包动力学方程，并应用到AA/HPHP和AA/NPG两个聚酯化反应的动力学研究中，研究发现，自催化聚酯反应的反应级数并不是固定值，对于AA/HPHP和AA/NPG两个聚酯化反应而言，低温时反应级数为2.5，高温时反应级数为3.0。