管(guan)(guan)(guan)道(dao)支吊架(jia)管(guan)(guan)(guan)托(tuo)結(jie)構的設(she)計和(he)形式(shi)選(xuan)用(yong)(yong)(yong)是管(guan)(guan)(guan)道(dao)系(xi)統(tong)(tong)設(she)計中的一個重(zhong)要組成部分(fen),管(guan)(guan)(guan)托(tuo)除支撐管(guan)(guan)(guan)道(dao)重(zhong)量外,特(te)制的管(guan)(guan)(guan)托(tuo)可(ke)平衡管(guan)(guan)(guan)系(xi)作用(yong)(yong)(yong)力(li)(li),限制管(guan)(guan)(guan)道(dao)位移和(he)吸收震動(dong),在管(guan)(guan)(guan)道(dao)系(xi)統(tong)(tong)設(she)計時,正確選(xuan)擇和(he)布置(zhi)結(jie)構合理的管(guan)(guan)(guan)托(tuo),能夠改善管(guan)(guan)(guan)道(dao)的應力(li)(li)分(fen)布和(he)對管(guan)(guan)(guan)架(jia)的作用(yong)(yong)(yong)力(li)(li),確保管(guan)(guan)(guan)道(dao)系(xi)統(tong)(tong)安(an)全運行,并延長其使用(yong)(yong)(yong)壽(shou)命。

用以承受管(guan)道(dao)荷(he)載、控(kong)制管(guan)道(dao)位移和振動，并將管(guan)道(dao)荷(he)載傳遞(di)到承載建筑結構上的各種(zhong)組(zu)件(jian)或裝置。一(yi)般由管(guan)部(bu)、功能(neng)件(jian)、連接(jie)件(jian)和根部(bu)組(zu)成。