各種(zhong)電氣設備(bei)運轉和漏(lou)電保(bao)護裝置，不準隨意改換安(an)裝方式，尤其對于施工作業(ye)的投光燈，裝接(jie)工作，一點不準馬虎、絲毫不能漏(lou)電，確保(bao)安(an)全。所有容易(yi)碰(peng)砸的電氣設備(bei)加裝防護罩或遮(zhe)欄，防止碰(peng)傷(shang)危險。鋼波紋涵管頂(ding)部(bu)填(tian)土每層厚15cm，壓(ya)實度(du)應滿足規范要(yao)求。

鋼(gang)波紋涵管(guan)在填筑過(guo)程中不(bu)能絲毫馬虎

靠近(jin)管(guan)(guan)體周圍50cm范(fan)圍內，不(bu)允許有大于50mm的石(shi)塊(kuai)、混(hun)凝土(tu)塊(kuai)或其他有害腐(fu)蝕材料。填(tian)(tian)(tian)筑時應分層(ceng)(ceng)填(tian)(tian)(tian)筑、分層(ceng)(ceng)壓(ya)實，每層(ceng)(ceng)壓(ya)實厚度為15cm，壓(ya)實度要(yao)求(qiu)(qiu)達到(dao)設計要(yao)求(qiu)(qiu)后方可進(jin)行下一層(ceng)(ceng)填(tian)(tian)(tian)筑。填(tian)(tian)(tian)筑必須(xu)在(zai)波紋(wen)涵管(guan)(guan)兩側對稱同(tong)步進(jin)行，兩側的回填(tian)(tian)(tian)土(tu)高差不(bu)得大于15cm。

對于有(you)兩(liang)端擋墻(qiang)的(de)涵(han)(han)洞，回(hui)填(tian)(tian)(tian)(tian)應從兩(liang)端向結構中(zhong)(zhong)心進(jin)行(xing)。如果因(yin)偏土(tu)壓(ya)(ya)造成鋼波紋(wen)涵(han)(han)管(guan)變形(xing)的(de)，應修正截面尺寸后重新(xin)壓(ya)(ya)實。波紋(wen)涵(han)(han)管(guan)兩(liang)側(ce)及(ji)頂部100cm范圍內的(de)回(hui)填(tian)(tian)(tian)(tian)及(ji)壓(ya)(ya)實度(du)(du)要(yao)求，應按(an)照設計(ji)文件《橋(qiao)頭(tou)路(lu)基(ji)處理設計(ji)圖（三）》圖中(zhong)(zhong)涵(han)(han)洞兩(liang)側(ce)回(hui)填(tian)(tian)(tian)(tian)土(tu)壓(ya)(ya)實度(du)(du)要(yao)求執行(xing)，當涵(han)(han)頂填(tian)(tian)(tian)(tian)土(tu)厚度(du)(du)超過100cm時，填(tian)(tian)(tian)(tian)土(tu)壓(ya)(ya)實度(du)(du)與同(tong)一標高路(lu)基(ji)壓(ya)(ya)實度(du)(du)要(yao)求相同(tong)。

鐵路鋼波紋管

如截(jie)面變形(xing)量超過(guo)變形(xing)范(fan)圍(wei)，應立即終止施(shi)工，查明原因(yin)，采取相應措(cuo)施(shi)將變形(xing)量控制在(zai)標(biao)準要求(qiu)(qiu)范(fan)圍(wei)內。波紋涵(han)管兩側及頂部的(de)部位回填按照(zhao)設計文件要求(qiu)(qiu)采用礫類土回填，管頂填土應在(zai)管兩側保持對稱均勻、分層攤鋪、逐層壓實。開工前各種機具(ju)設備必須(xu)進行檢修、試運(yun)行，使之處于完好、正常運(yun)轉狀態，并(bing)定期檢修保養(yang)。電器(qi)必須(xu)由(you)專(zhuan)職電工安裝和修理，設置標(biao)志，嚴禁(jin)酒(jiu)后施(shi)工。

施(shi)工過程中，嚴格遵守操作規則，嚴防落物傷人及墜落事故。波(bo)紋(wen)涵(han)管頂部及兩側20m范圍內不允許(xu)使(shi)用機械進行強夯，洞(dong)身兩側應(ying)用人工或小型機具對稱夯填(tian)，待填(tian)方高出涵(han)頂1米時，可采用機械填(tian)筑。在完成回填(tian)之(zhi)后，終截(jie)面尺寸(cun)與組(zu)裝(zhuang)時的尺寸(cun)差(cha)異更大(da)不得超過2%。

具體施(shi)(shi)(shi)工(gong)技術要(yao)(yao)求可參閱《公(gong)路路基(ji)設計規范》和《公(gong)路路基(ji)施(shi)(shi)(shi)工(gong)技術規范》。搭設金(jin)屬波紋涵(han)管(guan)施(shi)(shi)(shi)工(gong)支(zhi)(zhi)架(jia)要(yao)(yao)隨(sui)時檢查支(zhi)(zhi)架(jia)的(de)(de)穩定性，并且加(jia)固。支(zhi)(zhi)架(jia)完成后(hou)，要(yao)(yao)檢查、驗算支(zhi)(zhi)架(jia)的(de)(de)承力，滿足承載要(yao)(yao)求后(hou)再進(jin)行上部施(shi)(shi)(shi)工(gong)。

波紋涵(han)管管底兩側模(mo)形部(bu)位的(de)密(mi)實(shi)(shi)度(du)很(hen)重(zhong)要(yao)，一般設(she)計采用現澆C20細石混凝土(tu)護壁全斷面填(tian)(tian)筑，以保證模(mo)形區(qu)域的(de)密(mi)實(shi)(shi)，利于(yu)波紋涵(han)管的(de)穩定性。壓(ya)實(shi)(shi)度(du)要(yao)求：基礎應采用振動(dong)壓(ya)實(shi)(shi)機進行分層碾(nian)壓(ya)，碾(nian)壓(ya)時(shi)應根據(ju)回填(tian)(tian)材料的(de)含水(shui)量(liang)及擊(ji)實(shi)(shi)曲線灑水(shui)碾(nian)壓(ya)，壓(ya)實(shi)(shi)度(du)不小于(yu)規范要(yao)求。

鋼(gang)波紋涵管價格(ge)

涵管(guan)沒有(you)達到(dao)小(xiao)填土(tu)高度時，不得使用大于6T的(de)壓(ya)路機械碾壓(ya)，也不允許(xu)任何(he)重型(xing)車輛通(tong)行(xing)。參(can)加(jia)金屬波紋(wen)涵管(guan)施(shi)工(gong)(gong)(gong)人(ren)員要熟知本(ben)工(gong)(gong)(gong)種的(de)安(an)全操(cao)作規程，堅守崗位。特殊(shu)工(gong)(gong)(gong)種人(ren)員如電工(gong)(gong)(gong)、電焊工(gong)(gong)(gong)、混(hun)凝土(tu)工(gong)(gong)(gong)、起重工(gong)(gong)(gong)等施(shi)工(gong)(gong)(gong)人(ren)員，必須(xu)經過(guo)專門培訓，熟練掌握操(cao)作要求，嚴格執行(xing)本(ben)工(gong)(gong)(gong)種的(de)安(an)全操(cao)作規程，必須(xu)隨身攜(xie)帶有(you)關證件（或復印件）上(shang)崗備查。

波紋涵管(guan)兩側(ce)部位回填：填土之前，可在(zai)波紋涵管(guan)兩側(ce)面用(yong)(yong)紅(hong)油漆按每15cm高度作出填高標(biao)示(shi)，填筑時(shi)按標(biao)注線控(kong)制。在(zai)管(guan)身更(geng)大(da)直徑(jing)兩側(ce)50cm外可采用(yong)(yong)12～18T的壓路機應實(shi)，50cm范圍內(nei)采用(yong)(yong)小型夯(hang)實(shi)機械夯(hang)實(shi)，以避免大(da)型機械設備對涵管(guan)的撞擊(ji)。（hanihanbj.com）