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- Investigation on Lateral Dynamics Behaviour of Half-Across Steel Truss Bridge and Its Reinforcing Measures? 半穿式桁梁桥横向动力性能及其改善措施的研究?
- Incomplete penetration is the main defect in the welding root of the tubular joint in steel truss framework. 钢桁架结构管节点焊缝根部存在的主要缺陷为未焊透,它的存在对焊缝的质量有很大的影响。
- The conclusions obtained through numerical simulation have valuable reference to aseismic design of steel truss bridge. 通过数值模拟得出了几点结论,对于钢桁架桥梁的抗震设计有一定的参考价值。
- In this paper,the structural shape,feature and welding technique of integral node of steel truss girder are discussed. 介绍了钢桁梁整体节点构造的结构形式、特点及焊接技术要求;
- The steel truss girder block units were first assembled at the outermost parts of the pier-side brackets. 钢桁式腹板组合截面能有效地减少结构自重,在大跨径梁桥应用其优点显著。
- In the evaluation of highway steel truss bridges based on the method of fracture mechanics, the plane fracture toughness K IC must be detected firstly. 应用断裂力学方法对公路钢桁桥的安全性能进行评估中,必须首先测出平面应变断裂韧度K IC。
- The steel truss was hinged to brackets on frame columns. Moment from the bracket was balanced by a concrete wall between the two columns behind. 钢桁架与框架柱上安装的牛腿铰接连接,通过牛腿背面框架柱间的混凝土墙平衡牛腿传来的弯矩。
- Because of large span, the steel truss transfer member in a tall building will get a huge load effect with a vertical loading. 带大跨度钢桁架转换层结构的建筑物,由于转换层的跨度大,在竖向荷载作用下,将会产生较大的荷载效应。
- At the same time for different axial-loads the RC shear wail with concealed steel truss can improve the seismic behavior of the shear wall. 不同轴压比下内藏钢桁架混凝土组合剪力墙均能明显提高钢筋混凝土剪力墙的抗震性能。
- Based on the tests of 12 web steel truss beams ,the carrying capacities,failure modes and bending rigidities of the typical truss beams were provided. 根据12根无比钢桁架梁的承载力试验,获得了典型桁架梁在竖向荷载作用下的极限承载能力、破坏模态及抗弯刚度。
- Therefore, the performance of static and dynamic, stability and analysis method of suspended stiffening steel truss bridge are understood roundly. 由此,作者比较全面地了解桥梁的静力与动力性能和稳定性,并掌握了加劲弦钢桁梁桥的计算分析方法。
- According to feature of bolted and welded steel truss beam, the reasonable model simplified and calculating method is presented. 根据栓焊钢桁梁的结构特点,提出结构模型的简化计算图式的处理方法。
- This paper presents the corrosion protection system and part of the coating workmanship for steel truss girders of the Caiyuanba Changjiang River Bridge in Chongqing. 摘要介绍重庆菜园坝长江大桥钢桁梁的防腐体系及部分涂装工艺。
- The roadway deck of Wuhu Changjiang River Bridge is designed as a composite structure consisting of precast concrete deck slabs and steel truss girders. 芜湖长江大桥公路面为钢桁结合梁,采用预制桥面板与钢桁梁结合,介绍其桥面板的构造,现场预制、起吊、转运和架设施工。
- ZHOU Sheng-li,LIN Ya-chao.High-speed railway steel truss bridge deck structural design and structural measure of reducing the noise[J].Foreign Bridges,1996(3):22-32. [2]周胜利;林亚超.;高速铁路钢桁梁桥桥面结构设计及减小噪音的结构措施[J]
- In this paper,the bearing capacity and failure modes of long angle steel truss concrete columns with different eccentricities and slenderness ratio are studied. 本文对不同偏心距和长细比的内含角钢桁架混凝土长柱在偏心荷载作用下的承载力和破坏情况进行了研究。
- Concerning the steel truss system that has been most common used in practice, the dissertation describes the material, conformation and development in particular. 其次对于大跨度中常用的钢桁架结构体系,专门介绍了其形式、材料、构造和我国当前的发展。
- Construction of large span steel truss bridge for intake tower of headrace at Tianshengqiao I Hydropower Station is introduced,including fabrication,transportation,installation and test. 介绍了天生桥一级水电站引水道进水塔大跨度钢桁架桥施工的全过程,包括制作、运输、安装、试验等几个部分。
- The results of the research indicate that the assembled highway bridge steel truss is an effective means to resolve the common problems of falsework over river for construction of cast-in-situ prestressed concrete continuous girders. 研究表明,采用装配式公路钢桥桁架解决跨河预应力混凝土连续梁现浇混凝土施工支架问题是有效的。
- In consideration of the randomness of elastic restraint stiffeness and both cable stiffeness and cable pretension, the general formulas for analyzing random internal forces of the prestressed steel truss by perturbation methed are obtained. 考虑到弹性约束刚度、拉索刚度和预拉力的随机性,进一步得到了随机参数预应力钢架随机内力摄动分析的一般公式。