1、

The centralized prefabrication of the prestressed hollow girder beam under 20m long

集中预制20m以下装配预应力空心板梁工法

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2、

Based on the Xia men Ma xin main bridge, three-dimensional space finite element model is set up to simulate the hybrid girder cable-stayed bridge with single slanted pylon and fixed pier-pylon-beam system, and the structural dynamic characteristics and seismic response are analyzed in this thesis.

以厦门马新大桥主桥为工程背景,建立塔、梁、墩固结体系独塔混合梁斜拉桥的三维空间有限元模型,对其结构动力特性和地震响应进行了计算分析。

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3、

Through integrating the steel girder and the concrete slab with shear connectors, steel-concrete composite beam has been widely used in the structural and bridge engineering.

钢-混凝土组合梁是钢梁和混凝土板通过剪力连接键连接而成的组合结构,在现代结构和桥梁工程中得到了广泛的应用。

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4、

Because the Xizhi River Bridge is a 35 m flitch T beam with 15 ° skew angle, the traditional orthogonal bridge girder erection machine must be reformed to adapt to oblique erecting beam construction.

由于西枝江大桥为15°角斜交的35m组合T梁,故务必将传统正交架桥机加以技术改造,以适应90t级35m斜交架梁施工。

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5、

Analysis of Crack on End Cross Beam in Continuous Curved Box Girder

连续曲线箱梁桥端横梁裂缝原因分析

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6、

The interface between concrete slab and steel girder was simulated as Goodman nonlinear elastic sandwich. The relationship between the slip, deflection and load of double composite beam in elastic state was analyzed by Goodman elastic sandwich method.

将混凝土板与钢梁的接触面模拟成Goodman非线性弹性夹层,用Goodman弹性夹层法分析双层组合梁在弹性工作阶段的滑移及挠度与荷载之间的关系。

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7、

Visual observations showed that a horizontal displacement in the longitudinal direction of the bridge developed between the tie girder and the top flange of the floor beam at the end connection. slipping of upper femoral epiphysis

肉眼观察表明:在端节点处的系梁和横梁上翼缘之间产生一种沿桥梁纵向的水平位移。股骨上端骨骺滑脱移位

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8、

The Structure Type and Analysis of Single beam Skew Continuous Girder

单梁式斜连续梁的结构型式与分析

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9、

Beam-ends displacement is a important design parameters for construction and devices of girder end, and for the bridge health monitoring.

梁端位移不仅是梁端附属装置和梁端构造的一个重要设计参数,也是缆索承重体系桥梁健康监测的重要参数之一。

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10、

According to the influence factors of girder displacement and the action effects combination, taking all displacements and rotations of girder end, improving the design methods for displacement parameters of beam-ends devices and construction.

基于梁端位移的影响因素和作用效应组合的研究成果,充分考虑了梁端各方向的变位,改进了梁端附属装置和梁端构造的位移参数的设计方法。

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12、

In recent years, developing completely along with high grade highway and stereoscopic transportation in cities, bridge development has entered the unprecedented high tide period. Among them the box girder occupies important position in developments of the long-span PC beam bridge with its good section-form.

公路及城市立体交通的全面发展,桥梁建设进入了前所未有的高潮时期,其中箱型梁以其优良的截面形式在大跨度PC梁桥建设中占有极重要的地位。

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13、

If the validity of vertical prestress can be guaranteed effectively, the principal tensile stress can also be inhibited;( 4) Parametric analysis is taken on web thickness, beam height and the soffit curve of the main girder.

若能保证竖向预应力的有效性,能有效抑制主拉应力的产生。(4)对主梁腹板厚度、梁高及变化规律进行参数化分析。

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14、

A Finite Element Method for Slab Beam Segment of Skew Box Girder

斜交箱梁的板梁段有限元法

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15、

Finally, a comparison have been done between beam grillage method and the spatial FEM model of the whole plate girder bridge with single column.

最后,采用梁格法对独柱整体式板梁桥进行分析,并与空间有限元实体单元模型计算结果进行比较。

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16、

Adaptability Analysis of Primary Beam Theory on Cantilever Box Girder of Sandwich Composite Materials

夹芯复合材料悬臂箱梁初等梁理论适应性分析

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17、

The lotted steel box-girder as an important beam section is an innovation after closed box section.

分离式钢箱梁是继闭口箱梁之后的又一重要桥梁断面创新。

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18、
19、

The behaviour and structure of a bridge girder erection machine for large span prestressed concrete beam are introduced.

介绍一种可架设96m跨度预应力混凝土梁的造桥机的性能与构造。

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20、

Effective Width of Steel Truss Girder-concrete Plate Composite Beam of Cable-stayed Bridge

混凝土桥面系-钢桁组合梁混凝土板有效宽度研究

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