• It shows the axial tension initial cracking strength of concrete increases with the increasing of steel fiber volume ratio and enhancing of concrete strength grade separately.

    结果表明:混凝土强度分别纤维体积增大混凝土强度等级的提高而增大。

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  • According to data collected in experiments, freeze-thaw effect on strength and deformation of four different strength grade concretes were analyzed.

    通过试验数据整理,分析了冻融循环次数对强度等级混凝土的强度变形影响

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  • On the condition that same axial compression ratio, bearing capacity and stiffness of RC frame columns increases with concrete strength grade after the construction member achieve yield strength.

    同轴条件下构件达到屈服荷载构件承载力刚度都随混凝土强度等级增大而提高

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  • High Strength bolts: all kinds of grade 10.9 and 12.9 high strength hex and hex socket screws, bolts, sleeves, pipe plugs, shoulder screws, stainless steel hex socket bolts, set screws.

    强度螺栓类:库存各种规格10.9、12.9级高强度内外六角螺丝、螺栓、套筒、喉、塞打、不锈钢内六角螺栓、刀把螺丝、机米

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  • High Strength bolts: all kinds of grade 10.9 and 12.9 high strength hex and hex socket screws, bolts, sleeves, pipe plugs, shoulder screws, stainless steel hex socket bolts, set screws.

    强度螺栓类:库存各种规格10.9、12.9级高强度内外六角螺丝、螺栓、套筒、喉、塞打、不锈钢内六角螺栓、刀把螺丝、机米

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