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本文对LL800级及LL650级直径5mm冷轧带肋钢筋在常温下的应力松弛性能进行了试验研究,试验结果已被《冷轧带肋钢筋混凝土结构技术规程》所采纳。
In this paper, the stress relaxation properties of LL800 grade and LL650 5mm cold-rolled ribbed steel bars at room temperature have been experimentally studied. The experimental results have been adopted by the “Technical Specification for Cold Rolled Ribbed Reinforced Concrete Structures”.