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灌注桩最小间距
管道最小间距表
管径 20" 18" 16" 14" 12" 10" 8" 6" 5" 4" 3" 21/2" 2" 11/2" 1" 3/4" 1/2" 20" 18" 16" 14" 12" 10" 8" 6" 5" 4" 3" 21/2" 2" 11/2" 1" 3/4" 1/2" 20" 18" 16" 14" 12" 10" 8" 6" 5" 4" 3" 21/2" 2" 11/2" 1" 3/4" 1/2" 1/2" 505 470 440 400 380 355 310 275 265 235 205 195 180 175 160 160 145 3/4" 520 485 455 415 390 365 320 290 275 250 215 205 195 190 175 170 1" 520 485 455 415 395 370 325 290 280 250 220 210 195
城市快速路互通立交最小间距
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