暗柱设计计算
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暗柱
- 暗柱
| 约束边缘构件配箍特征值计算 | |||||
| 项目 | 一级(9度) | 一级(7、8度) | 二级 | ||
| λv | 0.2 | 0.2 | 0.2 | ||
| lc(暗柱) | 0.25hw | 0.20hw | 0.20hw | ||
| lc(翼墙或端柱) | 0.25hw | 0.20hw | 0.20hw | ||
| 一级钢筋约束边缘构件配箍特征值计算 | |||||
| 混凝土标号 | fc | λv | ρv (%) | ||
| 15 | 7.2 | 0.2 | 0.69 | ||
| 20 | 9.6 | 0.2 | 0.91 | ||
| 25 | 11.9 | 0.2 | 1.13 | ||
| 30 | 14.3 | 0.2 | 1.36 | ||
| 35 | 16.7 | 0.2 | 1.59 | ||
| 40 | 19.1 | 0.2 | 1.82 | ||
| 45 | 21.1 | 0.2 | 2.01 | ||
| 50 | 23.1 | 0.2 | 2.20 | ||
| 55 | 25.3 | 0.2 | 2.41 | ||
| 60 | 27.5 | 0.2 | 2.62 | ||
| 65 | 29.7 | 0.2 | 2.83 | ||
| 70 | 31.8 | 0.2 | 3.03 | ||
| 75 | 33.8 | 0.2 | 3.22 | ||
| 80 | 35.9 | 0.2 | 3.42 | ||
| 二级钢筋约束边缘构件配箍特征值计算 | |||||
| 混凝土标号 | fc | λv | ρv (%) | ||
| 15 | 7.2 | 0.2 | 0.48 | ||
| 20 | 9.6 | 0.2 | 0.64 | ||
| 25 | 11.9 | 0.2 | 0.79 | ||
| 30 | 14.3 | 0.2 | 0.95 | ||
| 35 | 16.7 | 0.2 | 1.11 | ||
| 40 | 19.1 | 0.2 | 1.27 | ||
| 45 | 21.1 | 0.2 | 1.41 | ||
| 50 | 23.1 | 0.2 | 1.54 | ||
| 55 | 25.3 | 0.2 | 1.69 | ||
| 60 | 27.5 | 0.2 | 1.83 | ||
| 65 | 29.7 | 0.2 | 1.98 | ||
| 70 | 31.8 | 0.2 | 2.12 | ||
| 75 | 33.8 | 0.2 | 2.25 | ||
| 80 | 35.9 | 0.2 | 2.39 | ||
| 三级钢筋约束边缘构件配箍特征值计算 | |||||
| 混凝土标号 | fc | λv | ρv (%) | ||
| 15 | 7.2 | 0.2 | 0.40 | ||
| 20 | 9.6 | 0.2 | 0.53 | ||
| 25 | 11.9 | 0.2 | 0.66 | ||
| 30 | 14.3 | 0.2 | 0.79 | ||
| 35 | 16.7 | 0.2 | 0.93 | ||
| 40 | 19.1 | 0.2 | 1.06 | ||
| 45 | 21.1 | 0.2 | 1.17 | ||
| 50 | 23.1 | 0.2 | 1.28 | ||
| 55 | 25.3 | 0.2 | 1.41 | ||
| 60 | 27.5 | 0.2 | 1.53 | ||
| 65 | 29.7 | 0.2 | 1.65 | ||
| 70 | 31.8 | 0.2 | 1.77 | ||
| 75 | 33.8 | 0.2 | 1.88 | ||
| 80 | 35.9 | 0.2 | 1.99 | ||