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- FRAME STRENGTHENED WITH EXTERNAL PRESTRESSING STEEL TENDONS UNDER CYCLIC LOAD 反复荷载下体外预应力加固框架性能研究
- external prestressing steels 体外预应力筋
- In order to deal with the problem of severe overloading on a main steel beam of dust catcher in a power plant,an external prestress truss structure for reinforcement is presented. 针对某电厂除尘器主钢梁严重超载的情况,提出体外预应力桁架加固方案。
- In this paper the technical difficulties and working contents in the construction of external prestressing cables for steel and concrete composite girders arc dealt with. 摘要介绍钢-混凝土组合梁体外预应力钢索施工中技术难点及施工内容。
- External prestressing tendons are widely adopted in bridge engineering and structure strengthening. 摘要体外预应力广泛地应用于桥梁工程和其它预应力加固结构。
- The strengthening technique by use of the external prestressing method has been widely used in reinforced concrete (RC) beams. 摘要体外预应力加固技术已广泛应用于RC梁的加固工程中。
- By the illustratimg of the structure reconstruction of Taishan phoenix amusement center,application of external prestressing in aseismic strengthening is introduced. 以泰山凤凰城娱乐中心结构改造为例,介绍了体外预应力在工程加固中的应用。
- Prestressed steel strand extension machine? 预应力钢绞线拉伸设备?
- External prestressing technique which is a kind of active reinforcement method, can improve the component"s abilities of bending resistance and shear resistance. 体外预应力技术用于结构的加固和改造,可以提高构件的抗弯、抗剪能力,是一种主动加固方式。
- Aiming at the flaw of the fixed length machine applied to cut the prestressing steel wire, I put forward the improvement project. 针对预应力钢丝定长机的弊端提出了改进方案,该方案提高了机器的工作精度,能将钢丝长度的误差控制在允许范围内,满足了轨枕生产的工艺要求。
- Based on the construction example of Nantun Alu min um Plant,briefly introduce the prestressing steel wire bunch construction techno log y and notice in construction. 通过南屯铝厂工程实例,介绍了预应力钢丝束施工工艺及施工中应注意的问题,对同类工程的施工具有指导意义。
- To expound the approach to get low relaxation property of prestress steel products and its effect factors, and the mechanism is discussed. 阐述了获取低松弛预应力钢材的途径及其影响因素,研究与探讨了预应力钢材低松弛性能的获取机理。
- The cause of torsional brittleness of hot-dipped prestressing steel wire was investigated by fracture surface observation, optical metallurgraphy and scanning electron microscopy. 利用宏观断口观察、光学金相和扫描电镜等手段对热浸镀预应力钢丝的扭转脆性断裂原因进行了系统的分析。
- In accordance with the monitoring of vertical displacement of the structure and concrete stress thereof,the effect of strengthening of the approach spans with the external prestressing is analyzed. 通过对箱梁结构的竖向位移和混凝土应力的监测,分析该桥体外预应力加固的效果。
- The external prestressing cables that are actively adjustable and replaceable were arranged on the main span of the double-line bridge of Shibanpo Changjiang River Bridge in Chongqing. 摘要重庆石板坡长江大桥复线桥主跨设置具有主动调节和更换功能的体外索。
- The relationships between the anti-relaxation property of prestress steel products and the process parameters of stabilization treatment and other mechanical properties are researched. 研究预应力钢材抗松弛性能与其稳定化处理工艺参数及与其它力学性能之间的关系。
- external prestressing technology 体外预应力技术
- external prestressing reinforcement 体外预应力加固
- external prestressing structural 体外预应力
- The prestressed steel bars shall be threaded in loop by loop with manual work during the slipform elevation process. 预应力筋应随滑模提升过程逐圈用人工穿入。