concrete strength grade from c 混凝土强度等级为c
Multiple strength grade concrete 多强度等级混凝土
concrete grade of strength 混凝土强度等级
multi-strength grade concrete 多强度等级混凝土
concrete with different strength grade 不同混凝土强度等级
different strength grade concrete 不同强度等级混凝土
grade of concrete strength 砼强度等级
strength grade of concrete 混凝土强度等级
Much strength grade of concrete 多强度等级混凝土
Load Angle, eccentric distance, steel ratio, concrete strength grade and length-thickness ratio had been analyzed.
分析了加载角、偏心距、含钢率、混凝土强度等级以及肢长厚比对构件承载力的影响。
The results show that under the same supporting load, the cost of the steel reinforced and tubular concretes decreases as their concrete strength grade increases.
分析结果表明：在支撑相同荷载的前提下，混凝土强度越高，造价越低。
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：混凝土轴拉初裂强度分别随钢纤维体积率的增大和混凝土强度等级的提高而增大。
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