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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。

There is an analysis of spatial stress on variable cross-section wide box girder of three-span continuous PC rigid frame bridge in the paper.

对一座铁路三跨连续PC刚构桥变截面宽幅箱梁进行了空间应力分析。

The Tianshui River Bridge located in Tieling New District is a landscape three-span prestressed concrete continuous girder bridge.

摘 要：铁岭新区天水河四桥为三跨预应力混凝土连续梁景观桥。

The total construction process of three-span composite steel box-concrete continuous girder bridge having varied cross-section is analyzed by using spatial finite element method.

应用空间有限元方法，对3跨变截面预应力钢箱-混凝土组合连续梁桥进行了建造全过程分析。

A three-span bridge girder is numerically examined, and the results show that its seismic responses under the optimal control of additional dampers at the supports are notably decreased.

实例分析了一三跨连续桥梁结构，结果表明，在支承处施加优化阻尼控制，其地震反应得到了显著地降低。

Breath, muscle contraction of the buttocks; arch body, as far as possible to hold his head, right leg straight towards the ceiling (peg-leg knee in order to avoid muscle tension).

呼气，收缩臀部肌肉；拱起身体，尽量抬起头来，右腿伸直朝向天花板（膝微屈，以避免肌肉紧张）。

The cost of moving grain food products was unchanged from May, but year over year are up 8%.

粮食产品的运输费用与5月份相比没有变化，但却比去年同期高8％。