预应力钢筋

  • 网络prestressing tendon;tendon;prestressing steels
预应力钢筋预应力钢筋
  1. 设计中预应力钢筋的摩擦损失取自现场试验数据,为张拉控制应力的19%。

    The friction loss of the prestressing tendon in tests equals to 19 percent of the controlling axial tension stress .

  2. 在综合高温下材料力学性能研究成果上,对组成预应力混凝土结构材料的混凝土、预应力钢筋建立了高温下材料的力学模型,该模型可用于对高温下结构构件进行力学分析。

    Based on the results of behaviors of material mechanical at high temperature , developed a new mechanical model for concrete and prestressing tendon , which can apply to analyse the structure under high temperature .

  3. V型支撑预应力钢筋混凝土连续刚构桥空间效应分析及其试验研究

    V-supported Prestressed Concrete Continuous Rigid Frame Bridge Spatial Analysis and Experimental Study

  4. 基于HHT的预应力钢筋混凝土梁断裂AE信号分析

    AE Signal Analysis of the Cracking Process in Pre-stressed Concrete Beams Based on HHT

  5. 24m跨度承托四层框架的预应力钢筋混凝土梁的设计特点和受力分析

    Design Characteristic and Bearing Capacity Analysis of Reinforced Concrete Frame Bearer Girder

  6. 提出以FRP片材等效折减系数来考虑PC受弯构件加固后极限状态预应力钢筋效能降低的影响,并结合理论推导和参数分析讨论了系数的取值方法。

    A equivalent reduction coefficient is suggested to consider the decaying effects of prestress strands after strengthening , and the proper value is estimated through theoretic deduction and parameter analysis .

  7. 碳纤维(CFRP)筋具有优异的物理力学性能,可用于替代传统的预应力钢筋。

    Carbon fiber reinforced polymer ( CFRP ) tendons , due to excellent physical and mechanical performance , may be employed to replace conventional prestressed steel bars .

  8. 重庆菜园坝长江大桥主桥采用C60高性能预应力钢筋混凝土Y型刚构。

    Main brige of caiyuanba Yangtze River brige in chongqing is Y-type rigid frame of C60 high performance prestressed reinforced concrete .

  9. 在SFRC自防水预应力钢筋混凝土屋面板的试验基础上,进行了数理统计分析和理论研究。

    Based on the experiment of steel fiber reinforced concrete ( SFRC ) precast roof slab , analyses through mathematical statistics and theoretical researches .

  10. 为了研究各种结构形式中影响无粘结预应力钢筋(UPS)应力变化的主要设计参数,通过非线性有限元分析给出能全面准确计算各种不同结构形式中UPS极限应力的计算公式。

    The design parameters influencing stress transformations in unbonded prestressed steel in various structural forms were analyzed using the nonlinear finite element method to determine a formula for the ultimate stress of unbonded prestressed bars .

  11. 摘要:在跨座式单轨交通系统中,作为车辆导向和承载结构的PC轨道梁(预应力钢筋混凝土轨道梁),在运营过程中可能遭遇突发状况而损坏,导致单轨交通线路中断运营。

    As the vehicle guiding and load bearing structure in monorail transit system , PC track beams ( prestressed concrete track beam ) may get damaged in the case of emergency situations during operation , resulting to interrupted operation of the monorail transit system .

  12. PC钢棒是一种新型中等强度(970MPa和800MPa)混凝土结构用预应力钢筋。

    Steel Bar for Prestressed Concrete ( PCB ) is a type of newly developed medi-um-strength ( 970MPa & 800MPa ) prestressing steel for concrete structures .

  13. 与传统的预应力钢筋相比,AFRP筋材的短期力学特性主要有:(1)应力-应变关系近于直线,没有屈服点;

    AFRP reinforcement have two characteristics of short-term mechanical behavior compared to steel bars : ( 1 ) Tensile stress-strain curve is close to a straight line and have no yielded point ;

  14. 对箱梁体系转换状态下的线形分析表明:70m箱梁刚度大,改变预应力钢筋合拢顺序对线形影响不大;

    The analysis of box girder 's alignment during system transformation stage indicates that 70m box girder has great stiffness , so the change of closure sequence of prestressed tendon has little effect on alignment .

  15. 经调查与分析确定预应力钢筋混凝土楼板外伸阳台(或称YKB挑出阳台)为维修、加固与改造的重点。

    Above investigation and analysis determining the prestressed RC YKB cantilever balcony should be the emphases in maintenance , reinforcement and retrofitting .

  16. 目前我国钢筋混凝土结构普遍应用的非预应力钢筋强度为300~400MPa,比发达国家低1~2个等级。

    The non-prestressed reinforcement strength widely used in reinforced concrete structures in China currently is 300 ~ 400MPa , which is lower than that of developed countries 1 ~ 2 grade .

  17. 推出了SG-1钢结构膨胀防火涂料,兼有耐火隔热性和装饰性,适用于保护钢结构和预应力钢筋混凝土楼板。

    A SG-1 dilatant fire retardant coating for steel structure has been developed with decorative and heat resistant and insulation properties , suitable for uses on protective steel structures and prestressed concrete floorslab .

  18. 常规装药侵彻预应力钢筋混凝土安全壳数值模拟

    Numerical simulation of General Bomb penetration into pre-stress reinforced concrete containment

  19. 三种预应力钢筋粘结性能试验研究

    Experimental study of bond behavior of three kinds of prestressed reinforcement

  20. 预应力钢筋混凝土蜗壳的结构研究与应用

    The structural research and application of pre-stressed reinforced concrete spiral case

  21. 桥梁无粘结预应力钢筋的极限应力分析

    Ultimate Prestressed Analysis Of Bridge With Unbounded Prestressed Reinforced Steel Beam

  22. 预应力钢筋混凝土桥梁波纹管除油清洗

    Degrease cleaning on pre-stree corrugated pipe in steel reinforced concrete bridge

  23. 预应力钢筋混凝土成品梁静载试验研究

    Experimental study on the prestressed reinforced concrete beam under static loads

  24. 预应力钢筋混凝土梁结构校验系数的研究

    Study on the testing coefficients of beam structure of prestressed concrete

  25. 预应力钢筋混凝土风力发电塔架的静力及地震响应分析

    The Static and Seismic Analysis of Prestressed Reinforced Concrete Wind-turbine Tower

  26. 自锚式预应力钢筋混凝土悬索景观桥设计与施工

    Design and construction on self-anchored prestressed concrete suspension of landscape bridge

  27. 设计上可减少预应力钢筋配筋的措施以及关于预应力悬臂板的一些设计建议。

    And design proposals about prestressed cantilever part of the floor .

  28. 预应力钢筋混凝土管桩在南海石化项目中的应用

    The Application of Precast Reinforcement Concrete Pipe-Pile in Nanhai Petrochemical Project

  29. 试论高强预应力钢筋混凝土静压管桩施工

    Discussion on high strength prestressed concrete static pressure pipe pile construction

  30. 局部预应力钢筋混凝土框架体系的实测与分析

    Field Survey Results and Analysis of a Partial Prestressed Concrete Frame Structure