鋼波紋管的(de)結構處(chu)理(li)：（1）波紋(wen)為圓形全體(ti)管(guan)(guan)，選(xuan)用(yong)(yong)整管(guan)(guan)節組裝、法(fa)蘭螺(luo)栓(shuan)銜(xian)接(jie)。（2）鋼制(zhi)波紋(wen)板(ban)(ban)涵管(guan)(guan)加(jia)(jia)工后須選(xuan)用(yong)(yong)熱(re)鍍鋅等防(fang)腐(fu)處(chu)理(li)。選(xuan)用(yong)(yong) 鍍鋅鋼板(ban)(ban)加(jia)(jia)工的(de)，在加(jia)(jia)工后有必(bi)要進行二次處(chu)理(li)。全體(ti)管(guan)(guan)銜(xian)接(jie)法(fa)蘭選(xuan)用(yong)(yong)角鋼、鋼板(ban)(ban)制(zhi)造，波紋(wen)板(ban)(ban)焊接(jie)選(xuan)用(yong)(yong) 對(dui)焊接(jie)頭。緊固件(jian)選(xuan)用(yong)(yong)國標中的(de)尺(chi)度緊固件(jian)，其強(qiang)度和尺(chi)度應知足(zu)力學(xue)哀求，且不低(di)于管(guan)(guan)材強(qiang)度哀求。墊片與緊固件(jian)般配。螺(luo)栓(shuan)與螺(luo)母均(jun)選(xuan)用(yong)(yong)熱(re)浸鍍鋅處(chu)理(li)。

波(bo)紋(wen)管(guan)(guan)涵(han)(han)根底(di)(di)挖(wa)設(she)方法(fa)建筑鋼波(bo)紋(wen)管(guan)(guan)涵(han)(han)，通(tong)常要在自(zi)然地面(mian)(mian)或經嚴肅(su)夯實的填(tian)方土(tu)上。首(shou)要發(fa)掘埋設(she)管(guan)(guan)道的溝(gou)槽。挖(wa)槽的寬(kuan)度(du)不但應(ying)利便管(guan)(guan)旁邊(bian)面(mian)(mian)填(tian)土(tu)的夯填(tian)，并且還(huan)應(ying)知(zhi)足規劃上根底(di)(di)需求的寬(kuan)度(du)。多年的施工經驗標明，在填(tian)土(tu)不高的路(lu)段(duan)上建筑涵(han)(han)洞(dong)，宜采用先(xian)填(tian)路(lu)基，然后再開挖(wa)溝(gou)槽埋設(she)涵(han)(han)管(guan)(guan)的方法(fa)較好。鋼波(bo)紋(wen)管(guan)(guan)地基或根底(di)(di)哀求平(ping)均又鞏固(gu)，同(tong)時(shi)，還(huan)應(ying)具(ju)有(you)耐久性(xing)，通(tong)常波(bo)紋(wen)管(guan)(guan)涵(han)(han)根底(di)(di)應(ying)具(ju)有(you)的小(xiao)厚(hou)度(du)與寬(kuan)度(du).

鋼波紋管模(mo)板(ban)(ban)安裝的(de)質量(liang)要(yao)求：基本要(yao)求：模(mo)板(ban)(ban)及支架(jia)應(ying)具有良好的(de)強度、剛度和不(bu)亂性(xing)。模(mo)板(ban)(ban)表面平整(zheng)，接縫應(ying)平整(zheng)、嚴(yan)密不(bu)漏漿。質量(liang)尺度:質量(liang)要(yao)求符(fu)合設計及《公路橋(qiao)涵施工技術規范(fan)》（JTG/T F50-2011）的(de)劃定。模(mo)板(ban)(ban)、支架(jia)及拱(gong)架(jia)制作時的(de)答應(ying)偏差如下表4.6-1/2所示。

鋼波紋管涵根底挖設方法有幾種？

模(mo)(mo)板(ban)安裝要(yao)直順、平整，接(jie)縫采用海綿(mian)條填塞，保證接(jie)縫嚴密、不(bu)露漿。模(mo)(mo)板(ban)支(zhi)設完(wan)畢后(hou)，對模(mo)(mo)板(ban)高程及平面位置進行復測(ce)，并檢修模(mo)(mo)板(ban)不(bu)亂性。

洞口工(gong)程為一字墻和八字墻，按圖(tu)紙要求進行施工(gong)。模(mo)(mo)板(ban)(ban)(ban)(ban)(ban)加工(gong)及(ji)安裝模(mo)(mo)板(ban)(ban)(ban)(ban)(ban)采用(yong)組合模(mo)(mo)板(ban)(ban)(ban)(ban)(ban)或凈水模(mo)(mo)板(ban)(ban)(ban)(ban)(ban)。模(mo)(mo)板(ban)(ban)(ban)(ban)(ban)有變形的不得使用(yong)。施工(gong)前模(mo)(mo)板(ban)(ban)(ban)(ban)(ban)剛(gang)度(du)(du)、強度(du)(du)、不亂性及(ji)結構各部(bu)外形、尺寸已經經由(you)校核，符合規范(fan)及(ji)設計(ji)要求。

管(guan)壁(bi)及配套附件均(jun)經(jing)由熱浸(jin)鍍鋅處理，其鍍鋅層的平均(jun)厚度大(da)于(yu)84um。涵管(guan)運至(zhi)施工(gong)現場后，工(gong)地現場涂(tu)刷兩(liang)頭瀝青。密(mi)封(feng)材料選用耐久功能較好(hao)的橡膠密(mi)封(feng)圈(quan)或方形石(shi)棉(mian)盤 根密(mi)封(feng)條(tiao)。