阐述获取预应力钢材低松弛性能的途径及其影响因素，并探讨其机理。
To expound the approach to get low relaxation property of prestress steel products and its effect factors, and the mechanism is discussed.
大跨度桥梁采用低松弛镀锌PC钢绞线具有施工简便、造价低等优点。
Its profits are convenient construction and low cost that the wide span bridge is built by the low relaxation prestressed galvanized PC steel strand.
报道了对我国低松弛预应力钢丝所进行的试验研究，包括不同初始应力、时间对松弛的影响。
This paper gives an account of the experimental study on the stress relaxation in low relaxation prestressing wires. The influence of the initial stress and the duration of loading is discussed.
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.
氧松弛——低溶点氧通常集中位于污水注入点附近。
Oxygen sag — a point of low dissolved oxygen concentration generally located around effluent injection points.
高温和低的初始应变会加快松弛的速度。
High temperature and low initial strain will speed up the pace of relaxation.
分娩组的蠕变和松弛实验均明显比未分娩组低。
The creep and stress relaxation quantity of delivery group are less than that of un-delivery group.
分娩组的蠕变和松弛实验均明显比未分娩组低。
The creep and stress relaxation quantity of delivery group are less than that of un-delivery group.
应用推荐