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- function of pre stressed steel 预应力筋功能
- 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 pre stressed anchoring piles aere used to controll large-scale landslides and creat flats to build. 本文论述了预应力锚拉桩在库区大型滑坡防治中的应用成果 ,这种方法不仅能有效地控制滑坡体的稳定性 ,同时 ,也能根据移民工程要求提供适宜的建设用地 ;
- 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。
- drilling with compressive pre stress 预压应力钻削
- 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。
- The acceptance test results showed that the construction of pre stressed anchorage cable of permanent ship lock meets the requirements of design. 验收试验成果表明,永久船闸预应力锚索的施工符合设计要求。
- The concrete spiral case of the GHS is reinforced with the pre stressed anchorage cable, which is the first case in China. 高坝洲水电站混凝土蜗壳采用预应力锚索加固,这在国内尚属首例,其预应力锚索包括水平环向锚索和垂直竖向锚索。
- 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。
- Due to the high water head of the GHS, the design unit put forward a suggestion of using the pre stressed reinforced concrete spiral case. 高坝洲水电站由于设计水头较高,设计单位建议采用预应力钢筋混凝土蜗壳。
- 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。
- In three desilting tunnels of Xiaolangdi Multipurpose Project, over 70% tunnel wall were lined with non cohesive pre stressed concrete by the post tensioning method. 小浪底水利枢纽工程的3条排沙洞,洞身70%25以上采用后张法无粘结预应力混凝土衬砌。
- external pre - stressed steel cable 体外索