2、檢測(cè)鋼筋的保護(hù)層厚度;
鋼筋 直徑 | 6 | 8 | 10 | 12 | 14 | 16 | 18 | 20 | 22 | 25 | 28 | 32 |
zui小值 | 7 | 7 | 8 | 8 | 8 | 9 | 11 | 11 | 11 | 11 | 11 | 13 |
zui大值 | 80 | 90 | 90 | 95 | 100 | 100 | 110 | 110 | 110 | 115 | 120 | 130 |
zui大允許誤差 | |
4-------60 | ±1 |
61------80 | ±2 |
81------130 | ±4 |