钢筋种类 | 抗震等级 | 受拉钢筋基本锚固长度Lab、LabE | |||||||||||||||||
C20 | C25 | C30 | C35 | C40 | C45 | C50 | C55 | ≥C60 | |||||||||||
HPB 300 | 1、2级(LabE) | 45 | 44.85 | 39 | 39.1 | 35 | 34.5 | 32 | 32.2 | 29 | 28.75 | 28 | 27.6 | 26 | 26.45 | 25 | 25.3 | 24 | 24.15 |
3级(LabE) | 41 | 40.95 | 36 | 35.7 | 32 | 31.5 | 29 | 29.4 | 26 | 26.25 | 25 | 25.2 | 24 | 24.15 | 23 | 23.1 | 22 | 22.05 | |
4级、非抗(Lab) | 39 | 34 | 30 | 28 | 25 | 24 | 23 | 22 | 21 | ||||||||||
HRB 335 HRBF 335 | 1、2级(LabE) | 44 | 43.7 | 38 | 37.95 | 33 | 33.35 | 31 | 31.05 | 29 | 28.75 | 26 | 26.45 | 25 | 25.3 | 24 | 24.15 | 24 | 24.15 |
3级(LabE) | 40 | 39.9 | 35 | 34.65 | 31 | 30.45 | 28 | 28.35 | 26 | 26.25 | 24 | 24.15 | 23 | 23.1 | 22 | 22.05 | 22 | 22.05 | |
4级、非抗(Lab) | 38 | 33 | 29 | 27 | 25 | 23 | 22 | 21 | 21 | ||||||||||
HRB 400 HRBF 400 RRB 400 | 1、2级(LabE) | 46 | 46 | 40 | 40.25 | 37 | 36.8 | 33 | 33.35 | 32 | 32.2 | 31 | 31.05 | 30 | 29.9 | 29 | 28.75 | ||
3级(LabE) | 42 | 42 | 37 | 36.75 | 34 | 33.6 | 30 | 30.45 | 29 | 29.4 | 28 | 28.35 | 27 | 27.3 | 26 | 26.25 | |||
4级、非抗(Lab) | 40 | 35 | 32 | 29 | 28 | 27 | 26 | 25 | |||||||||||
HRB 500 HRBF 500 | 1、2级(LabE) | 55 | 55.2 | 49 | 49.45 | 45 | 44.85 | 41 | 41.4 | 39 | 39.1 | 37 | 36.8 | 36 | 35.65 | 35 | 34.5 | ||
3级(LabE) | 50 | 50.4 | 45 | 45.15 | 41 | 40.95 | 38 | 37.8 | 36 | 35.7 | 34 | 33.6 | 33 | 32.55 | 32 | 31.5 | |||
4级、非抗(Lab) | 48 | 43 | 39 | 36 | 34 | 32 | 31 | 30 |