对混凝土箱梁腹板竖向预应力进行研究。
The vertical prestress applied to webs of concrete box girder is studied.
本文介绍了预应力箱梁的吊装施工技术。
This paper introduces the construction technique for hoisting prestressed concete box girder.
建立一两跨连续曲线箱梁有机玻璃试验模型。
A two-span continuous curved box girder model was made with Perspex.
钢制箱梁的开放式底部应用活动金属网进行保护。
Open bottoms of steel box beams shall be protected by removable expanded metal mesh.
根据检测分析结论，提出箱梁裂缝加固处理方案。
Reinforcing methods are proposed for repairing cracks according to analysis conclusion.
主跨加劲梁为钢箱梁，边跨加劲梁为预应力混凝土箱梁。
The stiffening beams of the side spans are prestressed concrete box beams.
本合同段控制性关键工程是预应力砼连续组合箱梁的施工。
The controlled crucial works for this contract section is the construction for the prestressed concrete continuous combined box beam.
钢箱梁内部的腐蚀问题，对桥梁的设计使用寿命至关重要。
The corrosion resistance of the girder internals is vitally important for designed service life of Bridges.
研究结果可以为大跨径钢箱梁桥面柔性铺装设计提供理论参考。
The results can provide a theoretical base for the paving design of orthotropic steel deck.
预应力混凝土箱梁以其优良的截面性质在梁桥中占据了主要地位。
With its excellent section characters, the prestressed concrete box beam plays a main role in the girder bridge.
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。
It offers more exact calculation model for geometric state of stiffened box girder during construction.
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 mode of temperature gradient of this Bridges box girder is developed by the method of nonlinear regression.
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 scheme is a transition between the box girder with vertical piers and the true arch.
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。
To some extent, the conclusions in this paper have a reference value on the box girder bridge design and construction.
增设箱梁横隔板可以增大这种结构的横向抗弯刚度，改善其受力性能。
Setting transverse diaphragm may remarkably increase the bending rigidity of the structure and improve its stress performance.
另外，在预应力连续桥梁的使用过程中，发现箱梁开裂的现象相当严重。
Otherwise, in using the continuous girder bridge we can find that the craze of the box-beam is very popular.
本文对三跨预应力连续箱梁桥的边跨与中跨比例问题进行了初步的探讨。
The paper discussed proportion between side span and middle span in three spans prestressed continuous box beam bridge.
介绍钢箱梁内部作为防腐措施之一的除湿系统的工作原理、设计和安装。
Working principle, design and installation of dehumidification system as one of preservation methods are introduced.
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。
Thirdly, pretressing, concrete creep and bending rigidity of box girder are studied to discuss their impacts on the deformation of girder.
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 temperature field in box girder bridge will change constantly because of the effects of sunshine and atmospheric temperature difference.
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。
The stress and deformation of the concrete box girder under the temperature load is one of the main factors affecting engineered quality.
上海市深水港工程东海大桥，上部结构预制箱梁在预制场内采用滑移方式运输。
The slip method for transporting the precast box beams of Donghai Bridge is adopted in Shanghai municipal deep water harbour engineering.
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。
The multi-scale damage analysis method for steel box girder is presented with respect to Runyang Cable-stayed Bridge.
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 necessary to do some further researches in thin-walled box girder, especially in multichambered thin wall box girder.
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。
This paper introduces the idea of the design of the instrument for trolley of traversing box girder and the mechanism of it.
介绍移动模架施工现浇混凝土连续箱梁的施工工艺，以及在施工中应该注意的事项。
This article gives the construction procedure and instructions for on-site casting of continuous concrete box beam with mobile mould.
主要针对预应力箱梁在预制过程中所须的内模，在结构形式、使用原理等方面进行了研究。
This article mainly aims at the internal mold used in the process of prefabricating box-girder and conducts researches on it's structural style, activity principle and so on.
介绍了铁路客运专线箱梁的施工过程中，箱梁混凝土裂缝的成因，提出了相应的控制措施。
The cause of concrete crack in the construction of box girder of passenger dedicated railway line is introduced, and the relevant control measures are raised.
介绍了铁路客运专线箱梁的施工过程中，箱梁混凝土裂缝的成因，提出了相应的控制措施。
The cause of concrete crack in the construction of box girder of passenger dedicated railway line is introduced, and the relevant control measures are raised.
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