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- Steel Strands Shape Parameters of Skew Prestress Box Girder 斜交预应力箱梁钢绞线形状特性及其影响
- Controlled Blasting of a Low Flexible Pier and Strong Prestressed Box Girder 低矮柔形桥墩及预应力箱梁控制爆破
- prestressed box girder 预应力箱梁
- 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。
- This paper introduces structure of waveform steel web prestress concrete box girder and construction method for several bridges. 介绍了波形钢腹板预应力混凝土箱梁的结构和几座桥梁的施工方法。
- 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。
- Sum up experiences in the production of box girder. 就制作箱形梁总结制作中经验及体会。
- Through FE analysis of local area for four continous box girder bridges, the necessity of three dimensional analysis of prestress effects is proved. 经过对四座连续梁桥整体及局部的有限元仿真分析,认为对大跨度预应力混凝土箱梁桥进行基于空间应力状态的预应力效应分析是很有必要的;
- It is very complicated to analyze prestressed concreted curved box girder due to many factors such as tendon, bending、 torsion 、 shear lag and wrapping. 预应力混凝土曲线箱梁桥,由于受到空间预应力束、曲箱梁的弯曲、扭转及截面剪力滞、畸变等因素的影响,受力十分复杂。
- Abstract: At present, main problems of large span prestressed concrete girder bridges in our country are excessive midspan lag and cracks in box girder. 摘要： 目前国内大跨径预应力混凝土梁桥存在的主要病害是跨中下挠过大和箱梁梁体裂缝。
- The main studying object is the transverse dolly of the box girder. 本论文主要研究的内容为：针对两侧箱梁横移车运动需要同步的要求，对箱梁横移车的推进液压系统及运动同步控制系统进行分析和设计。
- prestressed box simple girder with wide span 预应力简支箱梁
- This paper sets Jinbin Aerial Railway Engineering Project as an example and thethree-span prestressed concrete continuous box girder bridge is selected as theexperimental beam in the research. 本文就以津滨轻轨工程为例，在津滨轻轨上选定了一座三跨预应力混凝土连续箱梁作为本研究项目的试验梁。
- According to the mechanical character of simply supported steel box girder with prestressed tendons,and considering the interaction of tendons and girder, the finite element model is established. 根据预应力简支钢箱梁的受力特性,考虑预应力索与钢箱梁的相互作用,建立了有限元计算模型,有限元计算值与实测值吻合较好。
- An optimal design of the prestressed box maingirder in a 10-ton and 10-metre gantry crane was made,with the SUMT method applied to the work. 本文应用SUMT法对10吨10米预应力桥式起重机的预应力箱型主梁进行了优化设计。
- 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。
- Each bundle of strands is connected to one side of the center web of the two cell box girder. 每束钢缆锚固在双箱梁的中间腹板的一侧。
- The paper analyses the nonlinear cracking behavior of reinforced concrete box girder. 对钢筋混凝土箱梁受力开裂破坏的非线性机理进行了研究。
- According to three post prestressed concrete continuous box girders,this paper investigates the duct grouting compactness by field inspection. 为了解后张法预应力混凝土连续箱梁孔道压浆问题,以3座后张法预应力混凝土连续箱梁为工程背景,采用现场调查方法对箱梁后张法预应力孔道的压浆问题进行了调查研究。
- Construction technical of the elected bridge monolithic box girder was briefly introduced. 摘要简要介绍了城市轨道交通中运架一体式架桥机架设高架桥整孔箱梁的施工技术。
