Design and Analysis of Superstructure of Through Urban Steel Truss Bridge

Under earthquake action, the low-side and high-side supporting columns interact through space truss, so the holistic structure has generality of space truss as well as individuality of space truss with inclined plane.

地震作用下，带斜面的网架下部低端和高端支承柱通过网架相互作用，带斜面的网架整体结构受力时既具有普通网架结构的共性，又具有斜面网架整体体系的特性。

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Through steel truss composite bridges have many advantages such as excellent rigidity, good integrity, low building height, slight noises and favorable dynamic performance. It will be applied widely in high-speed railway.

下承式钢桁结合梁桥具有刚度大、整体性好、建筑高度低、噪声小、动力性能好等优点，在高速铁路上将会有较多的应用。

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According to the slab-girder element above, the space nonlinear finite element method to through steel truss composite bridge is put forward. Its box figure is given and its program is made.

基于本文提出的板梁单元，给出了下承式钢桁结合梁桥的空间非线性有限元分析方法，绘出了程序的框图，编制了相应的计算程序。

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Through steel truss composite bridges with Multi-crossbeam floor system offered in recent years can enhance the rigidity of the structure and improve the mechanical behavior of the bridge deck system.

近年来提出的密布横梁体系的下承式结合梁桥能增加桥梁的刚度，改善桥面系的受力状况。

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The mechanical behavior under temperature of through steel truss composite bridges with Multi-crossbeam floor system was studied.

考察了温度作用下下承式密布横梁体系简支钢桁结合梁桥的受力性能。

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The Research for the Calculating Theory of Through Steel Truss Composite Bridge and Its Application

高速铁路下承式钢桁结合梁桥的计算理论及其应用研究

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Through truss composite bridges have many advantages, such as high stiffness, low construction height, low noise and more comfort, and they are to be used in the construction of high-speed railways and dedicated passenger lines and in the speed-up reconstruction of existing lines in China.

下承式钢桁结合桥刚度大，建筑高度低，行车噪声小，舒适度高，拟在我国客运专线、高速铁路建设和既有线路提速改造中应用。

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The bridge is required to be low building height if limited by clearance under bridge and elevation at bridgehead when crossing over a river or a road. So steel through truss composite bridge is a good choice.

在上跨河流、公路时，受通航、通车对桥下净空和桥头高程的限制，桥梁的建筑高度一般较低，下承式钢桁结合桥是较好的选择。

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The mechanical property test of the model covering 3 stages under 10 load conditions is carried out to study the loading property of through truss composite beam with simple support.

分3个阶段10种荷载工况进行模型的力学性能试验，研究简支下承式钢桁结合梁桥的受力性能。

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Construction Technology for Integral Lifting of Steel Platform through Truss Layer in Zifeng Mansion

紫峰大厦钢平台整体提升穿越桁架层施工技术

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Comparison of Bridge Structures of Railway Through Truss Composite Bridges

下承式铁路钢桁结合桥的桥式结构比较

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That is to say, Through the transmission and share from network information resources, we can complete the teaching.

本文介绍了多媒体技术以及多媒体网络教学的实质，即：通过网络教育信息资源的传输和共享来实现教学。

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Hoisting Mechanism Speeding through Planetary Transmission Driven by Two Squirrel-cage Motors

双鼠笼型电动机驱动行星传动调速的起升机构

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Coupling of different subdomains is achieved through the transmission condition at the interface.

通过传输条件实现各子域间的耦合。

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Manage stripping and cutting depth through convex transmission, to ensure high stability.

使用凸输方式完成剥皮及进刀深度，稳定性高。

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Technique Research of Inspecting The Light Substance Covered by Heavy Substance Through The Transmission Image

射线透射成像中重物质遮挡下的轻物质检测技术研究

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The infection pathway was mainly through blood transmission, accounting for 83.45%.

感染途径以血液传播为主，占83.45%。

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In addition, we also can reduce the collision effects through increasing transmission delay.

另外，还可以通过增加传输延迟来减少节点碰撞。

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Cutting through the transmission system can achieve reverse cutting three transmission;

切割系统通过变速器可以实现逆向切割三级变速；

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Through different transmission, manual crank control, motor control.

可通过不同传动系统，手动曲柄操纵、电机操纵。

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