管(guan)(guan)(guan)(guan)道(dao)支吊架管(guan)(guan)(guan)(guan)托結構的設(she)計(ji)(ji)和形式選用(yong)是管(guan)(guan)(guan)(guan)道(dao)系統(tong)設(she)計(ji)(ji)中的一個重(zhong)要組成(cheng)部(bu)分,管(guan)(guan)(guan)(guan)托除支撐管(guan)(guan)(guan)(guan)道(dao)重(zhong)量(liang)外,特制的管(guan)(guan)(guan)(guan)托可(ke)平衡管(guan)(guan)(guan)(guan)系作(zuo)(zuo)用(yong)力,限制管(guan)(guan)(guan)(guan)道(dao)位移和吸收(shou)震(zhen)動,在管(guan)(guan)(guan)(guan)道(dao)系統(tong)設(she)計(ji)(ji)時,正確選擇(ze)和布置結構合理的管(guan)(guan)(guan)(guan)托,能夠改(gai)善管(guan)(guan)(guan)(guan)道(dao)的應力分布和對管(guan)(guan)(guan)(guan)架的作(zuo)(zuo)用(yong)力,確保管(guan)(guan)(guan)(guan)道(dao)系統(tong)安全運行,并延長其(qi)使用(yong)壽命。

用以承受管(guan)道(dao)荷載(zai)、控制管(guan)道(dao)位(wei)移和(he)振動，并將管(guan)道(dao)荷載(zai)傳遞到承載(zai)建筑結(jie)構上的各種組(zu)件(jian)或(huo)裝(zhuang)置。一(yi)般由管(guan)部(bu)、功能(neng)件(jian)、連接(jie)件(jian)和(he)根部(bu)組(zu)成。