管(guan)(guan)(guan)(guan)(guan)(guan)道支(zhi)吊架管(guan)(guan)(guan)(guan)(guan)(guan)托結構的(de)(de)(de)設(she)計(ji)和形式選用(yong)(yong)是管(guan)(guan)(guan)(guan)(guan)(guan)道系(xi)統設(she)計(ji)中的(de)(de)(de)一(yi)個重要組成部分,管(guan)(guan)(guan)(guan)(guan)(guan)托除支(zhi)撐(cheng)管(guan)(guan)(guan)(guan)(guan)(guan)道重量(liang)外,特(te)制(zhi)(zhi)的(de)(de)(de)管(guan)(guan)(guan)(guan)(guan)(guan)托可平(ping)衡管(guan)(guan)(guan)(guan)(guan)(guan)系(xi)作用(yong)(yong)力,限制(zhi)(zhi)管(guan)(guan)(guan)(guan)(guan)(guan)道位移和吸收震動,在管(guan)(guan)(guan)(guan)(guan)(guan)道系(xi)統設(she)計(ji)時,正確選擇(ze)和布(bu)置結構合理的(de)(de)(de)管(guan)(guan)(guan)(guan)(guan)(guan)托,能(neng)夠改善(shan)管(guan)(guan)(guan)(guan)(guan)(guan)道的(de)(de)(de)應力分布(bu)和對管(guan)(guan)(guan)(guan)(guan)(guan)架的(de)(de)(de)作用(yong)(yong)力,確保管(guan)(guan)(guan)(guan)(guan)(guan)道系(xi)統安全運(yun)行,并延長其使用(yong)(yong)壽命(ming)。

用以承受管(guan)道(dao)荷載、控制管(guan)道(dao)位移和(he)振動，并(bing)將管(guan)道(dao)荷載傳遞(di)到承載建筑結構上(shang)的各種組件或裝置。一般(ban)由管(guan)部、功能件、連接(jie)件和(he)根部組成。