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- Prestressed steel strand extension machine? 预应力钢绞线拉伸设备?
- Tianjin Golik-The First PC Steel Strand Co., Ltd. 天津高力预一预应力钢绞线有限公司。
- This paper analyses the problem of the theoretic elongation of post-tensioned steel strand of parabola-shape. 摘要分析了后张法预应力抛物线形钢绞线理论伸长值计算问题。
- Steel strand twisted by round steel wire used for prestressed concrete structure, rock or earth enchorage edc. 适用于由圆形断面钢丝捻成的做预应力混凝土结构、岩土锚固等用途的钢绞线。
- Zinc-plating steel strand used to fix and tie for hanger, hanging system, communication cable, and overhead powerline. 适用于吊架、悬挂、通讯电缆、架空电力线及固定物件、栓系等用途的镀锌钢绞线。
- The invention relates to short steel strand stretching caging device and a method used for stretching and anchoring. 一种短束钢绞线张拉限位装置及用于张拉锚固的方法。
- The Company is -5% zinc aluminum - rare earth alloy coating steel wire, steel strand, the main drafter of the national standards. 本公司是锌-5%25铝-稀土合金镀层钢丝、钢绞线，国家标准的主要起草人。
- Cohesionless prestressed construction with steel strand cable which make two circuits circumferentially is carried out firstly in three desilting tunnels at Xiaolangdi Project. 小浪底水利枢纽工程3条排沙洞首次采用钢绞线环向两周无粘结施加预应力施工方法,该方法与常规施工方法在工艺流程上有所不同,操作较为简便。
- The material properties of prestressed steel strand post high temperatures are studied by experiments and various cooling patterns are considered in the experiments. 试验研究预应力钢绞线在经历高温作用并冷却至室温后的力学性能。
- Based on Code for Acceptance of Constructional Quality of Concrete Structures (GB50204-2002), the relative tensioned value of pretension steel strand should be verified, and the allowable difference between the actual and theoretic elongation is 6%. 《混凝土结构工程施工质量验收规范》规定：当采用应力控制方法张拉时，应校核预应力筋的伸长值，实际伸长值与设计计算理论伸长值的相对允许偏差为±6%25。
- In this paper, combined with an engineering example, the calculation procedure and theoretical foundation for the theoretic elongation of post-tensioned steel strand of parabola-shape has been given. 结合一工程实例，阐述了预应力钢绞线理论伸长值的计算过程及理论依据。
- An analysis was made of why the anchorage performance of clamp anchorage device is poorer than strength of steel strand, and an introduction is given to structure, working principle, and construction technology of BSM anchorage device. 北京石景山南站斜拉桥为独塔单索面稀索斜拉桥体 系,针对该斜拉桥缆索锚固区的受力特点,以及国产锚具与国 际标准的差距,分析夹片式锚具静力锚固性能低于钢绞线母材 强度的主要原因,介绍BSM锚具的构成、工作原理及施工 工艺。
- Secondly,the least length of pretensioned prestressed concrete slab is defined to make the full use of steel strand strength and avoid flexural crack occurs within the development length. 首先分析了高强钢绞线在先张预应力构件中的粘结锚固性能,将预应力传递长度与弯曲粘结长度之和定义为延伸长度,给出了延伸长度的计算公式。
- Transverse corner crack defect on steel strand of Q235G at PZH steel was analyzed in this paper.on the basis of this,the main cause was known as the continuous casting mould fluxes. 对攀钢Q235G钢连铸坯出现的角横裂缺陷进行了调查分析,在此基础上确定了连铸保护渣是引起角横裂的主要原因。
- During the prestressed construction of bridge, the field of anchor holder while straining has greatly influenced the measurement on the elongation indicators of lanyard steel strand. 在桥梁短索钢绞线预应力的施工中,锚夹具在张拉时的回收对钢绞线伸长值的量测有着不可忽略的影响。
- JL/LB1A：Aluminum-clad steel stranded conductor made of aluminum-clad steel wires with conductivity 20.3%IACS. JL/LB1A：铝包钢的导电率为20.;3%25IACS的铝包钢芯绞线。
- Reference cross -section of steel strand 钢绞线参考截
- Parameter Test of Archor Plate for Steel Strand 钢绞线锚板的参数试验
- Steel strand for prestressed concrete 预应力混凝土用钢绞线
- Here we are in the yard of the steel mill. 这儿就是不锈钢厂的料场。
