Thereby difficult problem that we test relaxation ratio of prestressed concrete steel wire for 1000 hours has been solved.
此法成功地用于生产中，从而解决了预应力钢丝1000小时松弛率检验的难题。
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.
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。
The materials′properties of prestressed steel wire post high temperatures were studied by experiments and various cooling patterns were considered in the experiments.
试验研究了预应力钢丝在经历高温作用并冷却至室温后的力学性能。
The technology demand and criterion of prestressed concrete structure and stranded wire selection and so on are put forward.
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 stress corrosion of cold drawn prestressed steel wire hasn't been paid full attention to for a long time.
长期以来，冷拉预应力钢丝的应力腐蚀问题并未引起人们的足够重视。
The prestressed bumpy-ridge structure with steel wire wound is the structure that the sub parts are connected by interface bumpy-ridge effect under steel wire layers pretension.
钢丝缠绕预应力坎合结构是指在预应力钢丝缠绕层的预紧下，坎合子结构经界面坎合作用而连接起来的结构。
The high speed drawing die are manufactured by HERKEL Company in Germany. It has longer service life drawing coarse round and high strength prestressed concrete steel wire at high speed.
德国HERKEL公司生产的高速拉丝模具在高速拉拔粗规格、高强度预应力钢丝中表现出较长的使用寿命。
The research of structural properties on prestressed concrete composite slabs with high strength screw p. c. wire are given in this paper.
文中介绍了以高强螺旋肋钢丝作为主筋的预应力混凝土叠合楼板的结构性能研究。
The prestressed anchor wire is a new type of slope protection technology.
预应力锚索是一种新型边坡加固技术。
Now the method is successfully used in the production. Thereby difficult problem that we test relaxation ratio of prestressed concrete steel wire for 1000 hours has been solved.
此法成功地用于生产中，从而解决了预应力钢丝1000小时松弛率检验的难题。
The prestressed tendon is a steel stranded wire or a steel tendon or a single reinforcing steel bar.
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.
所述的预应力筋是钢绞线或钢丝束或单根钢筋。
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