允许偏差 (mm) 1 ±1.0 0 0 -1 -1 0 -1 -1 0 -1 -1 2 ±3.0 0 -1 -2 2 0 -3 1 -1 -1 -3 3 2 0 1 1 1 0 1 0 0 1 1 4 L∕1000 且≯10.0 6 8 6 3 1 8 4 4 0 4 项 次 允许偏差 (mm) h≤24m +3.0 -7.0 -7 -5 -9 -3 -3 2 0 1 -3 -7 h>24m +5.0 -10.0 -9 -12 -3 -2 -5 -10 -13 2 -6 -1 2 ±10.0 -6 5 -10 7 5 1 7 8 9 -5 设计要求起拱 ± l∕ 5000 0 4 -6 -4 -10 -7 -6 -6 3 7 设计未要求起 拱 +10.0 -5.0 9 1 9 1 3 1 -2 1 7 6 4 l∕1000 2145033-28779890358993059465-496