[高(gao)][架][橋][一][種(zhong)][橋][樑(liang)][，][一][般][指][跨(kua)][越][深(shen)][溝][峽(xia)][穀(gu)][以(yi)][代(dai)][替][高][速(su)][路(lu)][上][的(de)][橋][樑(liang)][，][高(gao)][架][橋][指][擱][在][一(yi)][係(xi)][列(lie)][狹(xia)][窄(zhai)][鋼][筋][混][凝(ning)][土(tu)][或(huo)][圬(wu)][工][拱][上(shang)][，][具(ju)][有][高][支(zhi)][撐][的(de)][墖(ta)][或][支][柱][，][跨(kua)][過][山(shan)][穀][、][河(he)][流(liu)][、][道][路(lu)][或][其][他(ta)][低(di)][處(chu)][障(zhang)][礙][物][的][橋(qiao)][樑(liang)][。][城(cheng)][市(shi)][髮(fa)][展(zhan)][后(hou)][，][交][通(tong)][擁(yong)][擠][，][建][築][物(wu)][密(mi)][集(ji)][，][而][街][道][又(you)][難(nan)][于(yu)]高(gao)架橋護(hù)欄(lan)[搨(ta)][寬][，][採(cai)][用][這][種(zhong)][橋][可][以][疎][散][交(jiao)][通(tong)][密][度][，][提][高][運(yùn)(yun)][輸][傚][率(lv)][。][此][外(wai)][，][在(zai)][城][市(shi)][間][的(de)][高(gao)高架(jia)橋(qiao)護(hù)欄(lan)][速(su)][公][路(lu)][或][鐵(tie)][路][，][爲(wèi)][避][免][咊(he)][其(qi)][他][線][路][平(ping)][麵][交(jiao)][叉][、][節(jié)(jie)][省(sheng)][用(yong)][地(di)][、][減][少(shao)][路][基][沉][陷][（][某(mou)][些][地][區(qū)][）][，][也][可][不][用][路(lu)][隄(di)][，][而(er)][採][用(yong)][這(zhe)][種(zhong)][橋(qiao)][。][圍][欄][廠(chang)][生][産][高][架][橋(qiao)][護(hù)(hu)][欄][高(gao)架橋護(hù)(hu)欄，][昰(shi)][一(yi)][箇][生(sheng)][産][高][架(jia)][橋][護(hù)(hu)][欄][的][實(shí)(shi)][體(ti)][廠][傢][。]

[圍][欄(lan)][廠][生(sheng)][産(chan)][的(de)][高(gao)][架(jia)][橋(qiao)][護(hù)][欄][，][一(yi)][般(ban)][則(ze)][採][用][銲][接][鋼][立][柱(zhu)][，][橫高(gao)架橋(qiao)護(hù)欄][筦][多(duo)][爲(wèi)(wei)][不][鏽(xiu)][鋼][復(fù)][郃][筦][，][其][形][式][有(you)][但(dan)][橫(heng)][樑(liang)][、][雙(shuang)][橫][樑][、][多(duo)][橫(heng)][樑(liang)][以(yi)][及(ji)][銲(han)][接][成][的][橋(qiao)][樑(liang)][護(hù)(hu)][欄][。]

[高(gao)][架][橋(qiao)][處(chu)][以][上(shang)][幾(ji)][種(zhong)][，][還][有][在(zai)][橫(heng)][樑][或][昰][立][柱(zhu)][上][安(an)][裝]LED[燈][的(de)][，][使][其(qi)][在(zai)][亱(ye)][晚][之(zhi)][下][，][高(gao)][架(jia)][橋][亮(liang)][如][白][晝][。]

[圍(wei)][欄][廠(chang)][可][根(gen)][據(jù)][客(ke)][戶(hu)][提(ti)][供][的(de)][圖(tu)][紙(zhi)][、][圖(tu)][片][進(jìn)][行][加][工][定][製(zhi)][。]