为了避免损坏钢筋，钢筋最大弯曲处的直径(芯轴直径)最小应不低于。
In order to avoid damage to the reinforcement the diameter to which the bar is bent (Mandrel diameter) should not be less than.
试验梁的挠度、裂缝间距和最大裂缝宽度与钢筋应力、钢筋直径和配筋率等因素的关系基本上可用现有模型预测。
The relationship of deflection, crack spacing and maximum crack width with the stress, diameter and ratio of steel bars can be predicted by existing model presented in the code.
世界上采用钢筋水泥材料手工制作的最大地球仪是王炳龙先生制作的直径约2米的地球仪。
Reinforced cement material of the world's largest handmade globes is Mr. Wang Binglong about 2 meters in diameter made globes. Verified in London on 10 July 2014.
世界上采用钢筋水泥材料手工制作的最大地球仪是王炳龙先生制作的直径约2米的地球仪。
Reinforced cement material of the world's largest handmade globes is Mr. Wang Binglong about 2 meters in diameter made globes. Verified in London on 10 July 2014.
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