.钢筋混凝土管规格尺寸及外压荷载系列表_公称内径最小长度级管级管D0L最小厚度荷载最小厚度荷载h裂缝 Pc 破坏 Pp h裂缝 Pc破坏 PpmmmmmmKN/mKN/mmmKN/mKN/m300301523301929400351726402741500422132503248600502537.5604060700552842704771.80065335080548190070375690619210007540601006910011008544661107411012002000904872120811201350105558313590140.150011560901509915016501256699165110170180014072110180120180200015580120200134200220017584130220145220240018590140240152230.