电缆类型截面外径（mm)单根截面积（mm2)根数总截面积（mm2)BV(NHBV)2.53.912044.415064.91900107380168500YJV2.5(5)13.514304(5)14.817206(5)16.1204010(5)19.630272016(5)22.439428025(4+1)26.2539035(4+1)28.86510050(4+1)33.48760070(4+1)38.811820095(4+1)44.1152700120(4+1)49.519240150(4+1)54.1229900185(4+1)60.5287500240(4+1)68.2365300.0000.00电缆类型截面外径（mm)单根截面积（mm2)根数总截面积（mm2)BV(NHBV)2.53.912044.415064.91900107380168501628100YJV2.5(5)13.514304(5)14.817206(5)16.1204361210(5)19.6302016(5)22.43942788强电桥架1(总CT1)截面积计算总的电缆面积mm2所需桥架截面面积（33%计算）强电桥架(10楼)截面积计算25(4+1)26.2539035(4+1)28.86510050(4+1)33.4876070(4+1)38.811820095(4+1)44.1152700120(4+1)49.5192400150(4+1)54.1229900185(4+1)60.5287500240(4+1)68.2365309500.00028500.00电缆类型截面外径（mm)单根截面积（mm2)根数总截面积（mm2)BV(NHBV)2.53.912044.415064.91900107380168500YJV2.5(5)13.514304(5)14.817206(5)16.1204010(5)19.6302682053616(5)22.4394025(4+1)26.2539035(4+1)28.86510050(4+1)33.48760070(4+1)38.811820095(4+1)44.115270120(4+1)49.5192400150(4+1)54.1229900185(4+1)60.5287500240(4+1)68.23653020536.00061608.00所需桥架截面面积（33%计算）总的电缆面积mm2强电桥架(9 ,1 0 ,1 1 个楼)截面积计算强电桥架(总)截面积计算总的电缆面积mm2所需桥架截面面积（33%计算）电缆类型截面外径（mm)单根截面积（mm2)根数总截面积（mm2)BV(NHBV)2.53.912044.415064.919001073815057001685000YJV2.5(5)13.514304(5)14.817206(5)16.1204010(5)19.63020016(5)22.43940025(4+1)26.2539035(4+1)28.86510050(4+1)33.48760070(4+1)38.811820095(4+1)44.1152700120(4+1)49.5192400150(4+1)54.1229900185(4+1)60.5287500240(4+1)68.2365305700.00017100.00总的电缆面积mm2所需桥架截面面积（33%计算）600x200300x100400x150600x150
