分析表明，其中最主要的原因是预应力钢绞线有效预应力值不准确。
The analysis shows that the most important cause is the dispersion of the effective pre stresses of the pre stressed strand.
预应力钢绞线用优质高碳盘条82b在拉拔过程中常出现脆断现象。
There is brittle fracture frequently during drawing the high carbon wire rod 82b, which is used for pre-stressed strand.
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。
The material properties of prestressed steel strand post high temperatures are studied by experiments and various cooling patterns are considered in the experiments.
目前，中(下)承式拱桥吊杆越来越多的采用预应力钢绞线和预应力群锚锚固体系。
Today the more and more lifting equipment in middle or lower arch bridge are using pre-forced steel wring line and pre-forced anchor system.
主要介绍无粘结预应力钢绞线的原材质量控制、配料、张拉力值、伸长值的计算及施工工艺。
The paper mainly introduces raw material quality control, calculation of burden, stretch-draw force and elongation value, construction technology of non-bonding prestressed steel strand.
对预应力钢绞线选用不同的初始应力，得到不同的松弛率，从而找出初始应力与松弛率的关系。
To select different initiative stress can get different relaxation rate of prestressed steel strand and find out the relation between initiative stress and relaxation rate.
本实用新型涉及一种安装于公路桥U型桥台侧墙混凝土内部的能够锁定预应力钢绞线底 端的锚具。
The utility model relates to an anchor capable of locking the bottom of a prestressed steel strand which can be arranged in concrete of side wall of a road bridge U-shaped bridge abutment.
为了解预应力钢绞线张拉顺序对新老混凝土组合梁力学性能的影响，进行了双T形截面新老混凝土组合梁试验研究。
The old and new concrete of composite beam with double T-section was tested to investigate the effect of tension sequence of prestressing tendon on mechanical behavior of composite beam.
其次为使构件破坏时充分发挥预应力钢绞线的强度，防止弯曲裂缝出现在延伸长度之内，提出了先张预应力混凝土板在均布荷载作用下的最小板长。
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.
对于卷曲预应力钢，在展开一段钢丝或钢绞线之后，除非在相应的欧洲技术认可有规定，否则其最大船首高度必须符合EN 10138规定。
P For coiled prestressing tendons, after uncoiling a length of wire or strand the maximum bow height shall comply with en 10138 unless given in an appropriate European Technical Approval.
本欧洲标准中所考虑应用的预应力是高强度钢材(钢丝，钢绞线或钢柱)制造的钢筋束。
P The prestress considered in this Eurocode is applied by tendons made of high-strength steel (wires, strands or bars).
同时对预应力混凝土结构、钢绞线选择等方面提出技术要求和技术规范。
The technology demand and criterion of prestressed concrete structure and stranded wire selection and so on are put forward.
预应力张拉施工中夹片、钢绞线和锚环之间存在着很大的摩擦阻力。
There is much prestressing loss for friction resistance among wedge, steel strand and anchor-ring in engineering.
桥梁用预应力钢丝钢绞线都在高的交变应力状态下服役，加上海水、潮湿环境的影响，更加速其应力腐蚀的速率。
Prestressed steel wire and strand for bridge are used in the condition of high alternating stress with humidity atmosphere and sometime seawater atmosphere, which speed up the corrosion.
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。
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.
钢制品。预应力钢。第3部分：钢绞线。
主要措施是采用以高强度钢绞线作为预应力拉杆的预应力钢结构五阶段设计。
The main measure taken is the application of the five stage design to prestressed steel structure, in which high strength strands are used as prestressed tendons.
本实用新 型提供了一种结构简单，不会划伤预应力管道的钢绞线束穿索器。
The steel stranded wiring harness reeving device has simple structure and can not scratch prestressing pipes.
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。
This paper analyses the problem of the theoretic elongation of post-tensioned steel strand of parabola-shape.
并对设计中有关有粘结预应力筋与无粘结预应力筋，低松弛钢绞线与普通松弛钢绞线的选择应用作了讨论。
The selection of bonded prestressing tendon and unbonded prestressing tendon, low-relaxation strand and stress-relieved strand in the design are also discussed.
厦门同安银湖大桥是国内第一座使用环氧全涂平行钢绞线斜拉索的预应力混凝土部分斜拉桥，墩塔梁固结体系。
Xiamen Yinhu bridge is a partially cable-stayed prestressed concrete bridge, whose pier, tower and beam are consolidated together.
所述的预应力筋是钢绞线或钢丝束或单根钢筋。
The prestressed tendon is a steel stranded wire or a steel tendon or a single reinforcing steel bar.
后张法；预应力空心板梁；施工；钢绞线。
The empress tension method, prepare should the dint hollow plank beam, construction, the steel wri.......
后张法；预应力空心板梁；施工；钢绞线。
The empress tension method, prepare should the dint hollow plank beam, construction, the steel wri.......
应用推荐