By test to illuminate the special coating for slow cohesion PC stranded wire.
通过试验说明缓粘结预应力钢绞线所用特种涂料,固化后的抗折强度平均值为 39。
Chinese PC stranded wire industry has entered the era of surplus capability and high competition, the suppliers continue to increase.
中国预应力钢绞线产业已进入能力过剩和高度竞争的时代,供应厂商会继续增多,高速公路这个主要用户会保持平稳发展。
It is indicated that a great deal of acid fog corrodes roof materials such as concrete, reinforcement and prestressed stranded wire for skeleton material of concrete in the course of hydrochloric acid pickling, which bring on serious acidification of concrete, the diameter of stranded wire was corroded from 5.
对应力腐蚀导致酸洗车间坍塌的事故进行分析,认为盐酸酸洗过程中大量的酸雾对屋盖的主要材料混凝土、钢筋及骨架材料预应力钢绞线造成腐蚀,导致混凝土酸化严重,钢绞线直径从5。
On the extending degree of prestressed steel strand in stretching construction;
预应力钢绞线张拉施工中伸长量控制的探讨
Things are introduced about high strength and low relaxation prestressed steel strand made of wire rods made in China.
介绍上海申佳金属制品有限公司以国产盘条为原料生产高强度低松弛预应力钢绞线的情况，并以奉浦大桥主桥后张拉力筋１２３ｍ大跨度为目标，做模拟张拉试验，结果表明；完全国产化的预应力钢绞线能满足现行张拉工艺的需要。
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。
The prestressed concrete strand wrapped with PSM was obtained with polyethylene.
用单螺杆挤出机实现了缓凝砂浆连续包裹预应力钢绞线。
Based on the technological process character of drawing process of prestressed concrete strand and the principle of large elastic-plastic deformation,the numerical simulation of metal forming pattern of drawing process of prestressed concrete strand was conducted by using finite element method with software ANSYS/LS-DYNA.
基于预应力钢绞线实际拉拔工艺流程,采用大变形弹塑性理论,利用有限元分析软 ANSYS/LS-DYNA 对预应力钢绞线拉拔工艺中的5道次成形过程进行了模拟,得剑了各道次坯料的模拟变形结果,对坯料的应力应变的分布进行了分析,为预应力钢绞线拉拔工艺的实际生产提供了参考依据。
To introduce general situation of PC strand at home and point out application foreground and research and manufacture basis of 1×7—21.
介绍我国预应力钢绞线的概况,指出1×7—21。
THE DISCUSSION OF CURRENT STATUS FUTURE DEVELOPMENT OF PRESTRESSED STRAND INDUSTRY;
浅谈预应力钢绞线行业的现状与发展
Build and Study on Low Relaxation PC Strand Line;
低松弛预应力钢绞线生产线的建设与研究
Study in Low-Temperature Rapid Phosphating Process Used in Weld Joint of PC Steel Strand;
预应力钢绞线焊接区用低温快速磷化工艺研究
Optimization design of prestressing tendon without bond in U-shape aqueduct bridge
U型渡槽环向无粘结预应力钢绞线束优化设置
On calculation of extension length for steel strand with post-tensioned prestress and measurement control
后张法预应力钢绞线伸长量的计算与测量控制
STUDY ON LOCALIZATION OF MANUFACTURE OF UNDERRELAXATION PRESTRESSED STEEL SHANDS FOR CONTAINMENT OF Ling'ao NUCLEAR POWER PLANT (PHASE-Ⅱ) AND ITS USE
岭澳核电二期核岛安全壳低松弛预应力钢绞线国产化研究及应用
Experimental Study on the Behavior of Double-Ball Anchorage of Prestressing Strands under Different Loading Conditions
不同荷载条件下预应力钢绞线双压花锚具性能的试验研究
Wire breaking analysis of multi-wire and large diameter pre-stressed steel stranded wire and settlement measure
多丝大直径预应力钢绞线的断丝分析和解决措施
Analysis of Abnormal Condition of Stretching Extension Value of Prestressed Strand Wire by Post-tensioning Method
后张法预应力钢绞线张拉伸长值异常情况的分析
The Control of Construction Technology of Non-bond Prestress Steel Wire in a diameter of 55m Precipitation Tank
直径55m沉淀池无粘结预应力钢绞线施工技术与控制
Calculation and Measure of Web Vertical Stress Field Using Low Retracting Prestressed Anchorage
低回缩预应力钢绞线锚具应用于腹板竖向预应力的应力场的计算与实测
TRANSMISSION AND ANCHORAGE LENGTHS OF PRESTRESSING STRANDS AND DEF0RMED WIRES IN LIGHT--WEIGHT CONCRETE
预应力钢绞线和压痕钢丝在轻混凝土中的应力传递长度与锚固长度
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。
Determination of Steel Strand Controlled Tension Force and Calculation of Prestress Loss
钢绞线的控制张拉力确定和预应力损失计算
Effect of Steel Strands Corrosion on Prestressed Concrete Structures under Chloride Environment;
氯盐环境钢绞线预应力混凝土结构的腐蚀效应
Experimental Study of Externally Prestressed Concrete Beams with CFRP and Steel Tendons;
CFRP及钢绞线体外预应力混凝土梁的试验研究
Later other prestressing methods with parallel wire or strand tendons were also used.
后来，又使用其它的预应方法，如利用平行钢丝或钢绞线施加预应力。
This paper analyses the problem of the theoretic elongation of post-tensioned steel strand of parabola-shape.
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。