熱鍍鋅10-60米拉線塔
拉(la)線(xian)(xian)(xian)塔(ta)(ta)(ta)是(shi)架(jia)空輸(shu)電線(xian)(xian)(xian)路的支(zhi)持結構,使導(dao)線(xian)(xian)(xian)對地面、地物滿足限距要求,并能承受(shou)導(dao)線(xian)(xian)(xian)、避雷線(xian)(xian)(xian)及本身的荷載及外荷載。拉(la)線(xian)(xian)(xian)塔(ta)(ta)(ta)主要分為(wei)自立式(shi)和拉(la)線(xian)(xian)(xian)式(shi)兩種類型。拉(la)線(xian)(xian)(xian)式(shi)塔(ta)(ta)(ta)受(shou)力較為(wei)合理,可靠性高(gao),塔(ta)(ta)(ta)體(ti)截面小,塔(ta)(ta)(ta)架(jia)材料用量小,但拉(la)線(xian)(xian)(xian)基礎(chu)數量多(duo),施工工藝(yi)復(fu)雜。