Thin-walled box girder is often used in bridge engineering.
箱形薄壁梁是桥梁工程中经常采用的结构。
A two-span continuous curved box girder model was made with Perspex.
建立一两跨连续曲线箱梁有机玻璃试验模型。
The vertical prestress applied to webs of concrete box girder is studied.
对混凝土箱梁腹板竖向预应力进行研究。
Cyclic bending tests of a box girder with longitudinal stiffeners were also carried out.
进行了纵筋加强箱形薄壁梁模型的循环弯曲试验。
The scheme is a transition between the box girder with vertical piers and the true arch.
该结构是具有垂直墩的箱梁桥钢与真正的拱桥之间的一种过渡形式。
The successful alternative was the cast-in-place segmental prestressed concrete box girder.
最后采用的方案是分段现浇的预应力混凝土箱形梁。
This paper introduces the construction technique for hoisting prestressed concete box girder.
本文介绍了预应力箱梁的吊装施工技术。
The box girder with corrugated steel webs is a new type of composite steel-concrete structure.
波形钢腹板组合箱梁桥是一种新型的钢-砼组合结构。
The successful alternative was the cast - in - place segmental prestressed concrete box girder.
最后采用的方案是分段现浇的预应力混凝土箱形梁。
The successful alternative was the cast - in - place segmental prestressed concrete box girder .
最后采用的方案是分段现浇的预应力混凝土箱形梁。
It offers more exact calculation model for geometric state of stiffened box girder during construction.
为悬索桥钢箱梁吊装施工过程的线形计算提供了准确的计算模型。
This paper focuses on the box girder crack reason analysis and discussion on how to handle girder crack.
本文主要对箱梁裂缝产生的原因进行分析、讨论，并就如何处理箱梁裂缝做了较为详细的阐述。
The mode of temperature gradient of this Bridges box girder is developed by the method of nonlinear regression.
采用非线性回归的方法，提出了该桥混凝土箱梁的温度梯度模式。
The multi-scale damage analysis method for steel box girder is presented with respect to Runyang Cable-stayed Bridge.
以润扬大桥斜拉桥为分析对象，提出了扁平钢箱梁结构的多尺度损伤分析方法。
To some extent, the conclusions in this paper have a reference value on the box girder bridge design and construction.
本文所得出的结论在一定程度上对箱梁桥的设计和施工有参考意义。
This paper introduces the idea of the design of the instrument for trolley of traversing box girder and the mechanism of it.
本文比较详细的介绍了箱梁横移台车的结构设计思想及箱梁横移台车的机械结构。
The shear-lag effect on the prestressed RPC simply-supported box girder is studied by FEA method and energy variation method.
用有限元法和能量变分法对预应力活性粉末混凝土简支箱梁的剪力滞效应进行研究。
So it is necessary to do some further researches in thin-walled box girder, especially in multichambered thin wall box girder.
因而对于大跨径箱梁桥特别是多室薄壁箱梁进行进一步的探索，是很有必要的。
So it is significative and valuable to research and discuss structure behavior and calculate method of multi-box girder Bridges.
因此，研究和探讨这类桥梁的受力行为和设计计算方法具有重要的理论意义和工程实用价值。
This modifying factor is determined on the basis of the analysis on some concrete box girder cantilever beam bridges with 4 lanes.
此偏载系数的取值是建立在对一些4车道钢筋混凝土箱形截面悬臂梁桥的分析模型基础上。
A box girder was decomposed splint constructions and simple strength of material relations was used to derive membrane force equations.
将箱型梁分解成薄板结构，应用简单的强度与材料关系，导出箱型梁的薄膜方程。
Additional bending moments in the cantilever box girder with a large span width ratio are distributed locally under concentrated loads.
集中荷载作用下，具有较大跨宽比的悬臂箱梁的附加弯矩分布具有明显的局部性质。
The stress and deformation of the concrete box girder under the temperature load is one of the main factors affecting engineered quality.
温度荷载作用下的混凝土箱梁的应力和变形，是影响工程质量的主要因素之一。
Thirdly, pretressing, concrete creep and bending rigidity of box girder are studied to discuss their impacts on the deformation of girder.
再次，讨论了预应力、混凝土徐变、箱梁抗弯刚度等对桥梁结构下挠的影响。
The temperature field in box girder bridge will change constantly because of the effects of sunshine and atmospheric temperature difference.
主桥箱梁内部温度场由于受到气温、日照等因素变化的影响而不断发生变化。
The influence of shearing deformation causes the non-uniform stress in the wing plate of the box girder, especially the cantilever box girder.
剪切变形的影响使得箱形梁的翼板中出现应力不均匀现象，尤其是悬臂箱形梁剪力滞现象。
Prestressed concrete continuous box girder and steel-concrete composite girder are more and more adopted in construction of highway and railway.
预应力混凝土连续箱梁与钢混结合梁在公路、铁路工程中的应用越来越普及。
The field transfer matrix and point matrix are derived, and the inner force, stress and deflection of thin-walled box girder are recursivly calculated.
提出一种薄壁箱梁剪力滞后分析的传递矩阵法，实现了连续箱梁桥位移、应力及内力的一维递推求解，给出了相应的场矩阵和点矩阵。
The field transfer matrix and point matrix are derived, and the inner force, stress and deflection of thin-walled box girder are recursivly calculated.
提出一种薄壁箱梁剪力滞后分析的传递矩阵法，实现了连续箱梁桥位移、应力及内力的一维递推求解，给出了相应的场矩阵和点矩阵。
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