采用螺旋波紋鋼圓管、環形波紋鋼圓管管節時，鋼波紋涵管應具有足(zu)夠的剛(gang)度(du)。管節的剛(gang)度(du)用柔(rou)度(du)系數FF表示，不宜大于規范(fan)提供的參考值(zhi)。

鋼波紋涵管具有重量輕、安裝方便快捷、耐久性好、工程造價低、抗變形能力強、減少通車后養護成本等特點

采(cai)(cai)用碳(tan)素結(jie)構鋼(gang)的波(bo)(bo)紋(wen)鋼(gang)圓管(guan)(guan)、波(bo)(bo)紋(wen)鋼(gang)板(ban)件和管(guan)(guan)箍、法蘭盤及(ji)(ji)高強度螺栓(shuan)、螺母，出廠(chang)前應(ying)(ying)(ying)進行熱(re)浸鍍(du)鋅防腐處理(li)：采(cai)(cai)用連(lian)續(xu)熱(re)鍍(du)鋅鋼(gang)板(ban)及(ji)(ji)鋼(gang)帶加工波(bo)(bo)紋(wen)鋼(gang)圓管(guan)(guan)、波(bo)(bo)紋(wen)鋼(gang)板(ban)件， 其加工后(hou)的有(you)效(xiao)鋅層(ceng)厚(hou)度和質(zhi)量不應(ying)(ying)(ying)低于(yu)規范規定(ding)的要求。鍍(du)鋅基礎(chu)上(shang)可采(cai)(cai)用涂(tu)裝或噴涂(tu)瀝青等非金屬覆(fu)蓋(gai)層(ceng)。當采(cai)(cai)用噴涂(tu)瀝青時，瀝青涂(tu)層(ceng)的厚(hou)度應(ying)(ying)(ying)為0.5mm—1mm，涂(tu)層(ceng)應(ying)(ying)(ying)均(jun)勻光滑(hua)、連(lian)續(xu)，無肉眼可分辨的孔(kong)隙、裂縫、脫皮及(ji)(ji)其他缺陷。

鋼波紋涵管是采用波(bo)紋(wen)狀管或(huo)由波(bo)紋(wen)狀板通過連(lian)接、拼裝形成的(de)一種涵洞(dong)(dong)形式。對公路涵洞(dong)(dong)來說，涵洞(dong)(dong)的(de)不(bu)均(jun)勻沉(chen)降(jiang)是其(qi)破(po)壞的(de)主要型式之一，鋼波(bo)紋(wen)涵管具(ju)(ju)有(you)重量輕、安(an)裝方便(bian)快捷、耐久性好、工程造價低、抗(kang)變形能(neng)力(li)強、減少通車后(hou)養護(hu)成本等(deng)(deng)特(te)點。從材料與結(jie)構(gou)和功能(neng)的(de)本質(zhi)關系上分(fen)析,采用柔(rou)性高(gao)強度(du)(du)的(de)鋼波(bo)紋(wen)涵管洞(dong)(dong),不(bu)僅(jin)具(ju)(ju)有(you)適應(ying)地(di)(di)基與基礎變形的(de)能(neng)力(li),可(ke)以解決因地(di)(di)基基礎不(bu)均(jun)勻沉(chen)降(jiang)導致的(de)涵洞(dong)(dong)破(po)壞問(wen)題,而(er)且鋼波(bo)紋(wen)涵管洞(dong)(dong)由于軸向(xiang)波(bo)紋(wen)的(de)存在使其(qi)具(ju)(ju)有(you)優(you)良的(de)受力(li)特(te)征(zheng),軸向(xiang)和徑向(xiang)同時分(fen)布因荷載引(yin)起的(de)應(ying)力(li)應(ying)變,可(ke)以更大(da)程度(du)(du)上分(fen)散(san)荷載的(de)應(ying)力(li)集中,更好地(di)(di)發揮鋼結(jie)構(gou)的(de)優(you)勢(shi)。尤其(qi)在高(gao)寒凍土(tu)(tu)、軟土(tu)(tu)、膨(peng)脹(zhang)土(tu)(tu)、濕陷性黃土(tu)(tu)等(deng)(deng)地(di)(di)帶，具(ju)(ju)有(you)明顯的(de)經濟效益(yi)。

工(gong)(gong)法特點此工(gong)(gong)法操(cao)作簡單，現場(chang)無需大型設(she)備，拼(pin)(pin)裝(zhuang)方法快捷(jie)可有效縮短施工(gong)(gong)周期(qi)。采(cai)(cai)用分片拼(pin)(pin)裝(zhuang)技(ji)術，不(bu)僅能方便涵管的(de)裝(zhuang)卸和運輸而且(qie)現場(chang)施工(gong)(gong)也(ye)易于(yu)操(cao)控。免(mian)除了(le)(le)砼(tong)澆筑、鋼(gang)筋焊(han)接等(deng)工(gong)(gong)序，對周邊噪聲污(wu)染較少，而且(qie)舍棄了(le)(le)常規建材(cai)，如水(shui)泥、砂、石子、木材(cai)等(deng)，其環保意義深遠。環形波(bo)(bo)紋(wen)(wen)鋼(gang)圓管每節的(de)長度(du)(du)和波(bo)(bo)紋(wen)(wen)鋼(gang)板(ban)件(jian)(jian)長度(du)(du)和寬度(du)(du)根(gen)(gen)據(ju)鋼(gang)板(ban)尺寸及吊裝(zhuang)、運輸和拼(pin)(pin)裝(zhuang)條件(jian)(jian)等(deng)確(que)(que)定(ding)。加工(gong)(gong)時(shi)，環形波(bo)(bo)紋(wen)(wen)鋼(gang)圓管的(de)法蘭(lan)盤圓周邊均勻布設(she)單排螺栓(shuan)孔(kong)(kong)，孔(kong)(kong)位(wei)、孔(kong)(kong)距根(gen)(gen)據(ju)設(she)計確(que)(que)定(ding)。波(bo)(bo)紋(wen)(wen)鋼(gang)板(ban)件(jian)(jian)根(gen)(gen)據(ju)設(she)計的(de)弧(hu)長、波(bo)(bo)形參數(shu)等(deng)確(que)(que)定(ding)螺拴孔(kong)(kong)位(wei)，螺栓(shuan)孔(kong)(kong)位(wei)置應偏(pian)離更(geng)大應力集中(zhong)區。波(bo)(bo)紋(wen)(wen)鋼(gang)板(ban)件(jian)(jian)拼(pin)(pin)裝(zhuang)時(shi)，板(ban)件(jian)(jian)之(zhi)間應采(cai)(cai)用搭接，并用高強度(du)(du)螺栓(shuan)連接，不(bu)得(de)采(cai)(cai)用焊(han)接。