施工(gong)過程中，嚴(yan)格(ge)遵(zun)守(shou)操作規(gui)則，嚴(yan)防(fang)落物傷人(ren)及墜落事(shi)故。各種(zhong)電(dian)氣(qi)設備運轉(zhuan)和漏(lou)電(dian)保(bao)(bao)護裝(zhuang)置(zhi)，不(bu)(bu)準隨意改(gai)換安(an)裝(zhuang)方式，尤(you)其(qi)對于施工(gong)作業的(de)投光燈，裝(zhuang)接工(gong)作，一點(dian)不(bu)(bu)準馬虎、絲(si)毫(hao)不(bu)(bu)能(neng)漏(lou)電(dian)，確保(bao)(bao)安(an)全。所有容易碰砸的(de)電(dian)氣(qi)設備加裝(zhuang)防(fang)護罩或遮欄，防(fang)止(zhi)碰傷危險(xian)。

鋼波紋涵管施工現場的安全要求有(you)哪(na)些？

波(bo)(bo)紋(wen)涵管(guan)管(guan)底兩側模形部位的密實(shi)度很重要，一(yi)般設計采用現澆C20細石混凝土(tu)(tu)護壁全斷面填筑，以保證模形區域的密實(shi)，利于波(bo)(bo)紋(wen)涵管(guan)的穩定性(xing)。波(bo)(bo)紋(wen)涵管(guan)頂部填土(tu)(tu)每層厚15cm，壓實(shi)度應(ying)滿足規范要求(qiu)。涵管(guan)沒(mei)有達到(dao)小填土(tu)(tu)高度時，不(bu)得使用大(da)于6T的壓路機械碾壓，也(ye)不(bu)允許任何重型(xing)車輛通行。

鐵路鋼波紋(wen)管

參加金(jin)屬波紋涵(han)管施工(gong)(gong)(gong)(gong)(gong)人員(yuan)(yuan)要熟知本(ben)工(gong)(gong)(gong)(gong)(gong)種的(de)安全(quan)操作(zuo)規程，堅守(shou)崗位。特殊工(gong)(gong)(gong)(gong)(gong)種人員(yuan)(yuan)如電工(gong)(gong)(gong)(gong)(gong)、電焊工(gong)(gong)(gong)(gong)(gong)、混凝(ning)土工(gong)(gong)(gong)(gong)(gong)、起(qi)重工(gong)(gong)(gong)(gong)(gong)等施工(gong)(gong)(gong)(gong)(gong)人員(yuan)(yuan)，必(bi)須(xu)經過(guo)專門培訓，熟練掌握操作(zuo)要求，嚴格執行本(ben)工(gong)(gong)(gong)(gong)(gong)種的(de)安全(quan)操作(zuo)規程，必(bi)須(xu)隨(sui)身攜帶(dai)有關證件(jian)（或復印件(jian)）上崗備查。搭(da)設金(jin)屬波紋涵(han)管施工(gong)(gong)(gong)(gong)(gong)支(zhi)架要隨(sui)時檢查支(zhi)架的(de)穩定性，并且加固。支(zhi)架完(wan)成后(hou)，要檢查、驗算支(zhi)架的(de)承力，滿足(zu)承載要求后(hou)再進行上部施工(gong)(gong)(gong)(gong)(gong)。

波紋涵管(guan)頂(ding)部(bu)及兩側(ce)20m范(fan)圍內不(bu)允許(xu)使用機(ji)(ji)械進行強夯(hang)，洞身(shen)兩側(ce)應(ying)用人工或小型機(ji)(ji)具(ju)對稱(cheng)夯(hang)填(tian)，待填(tian)方高出(chu)涵頂(ding)1米時(shi)，可采用機(ji)(ji)械填(tian)筑。在完成回填(tian)之后，終截(jie)面尺(chi)寸(cun)與組裝時(shi)的尺(chi)寸(cun)差異更大(da)不(bu)得超過2%。如(ru)截(jie)面變形量超過變形范(fan)圍，應(ying)立即終止施工，查明原因，采取相應(ying)措施將變形量控制在標準(zhun)要(yao)求范(fan)圍內。

填(tian)(tian)筑(zhu)時應(ying)分(fen)層(ceng)填(tian)(tian)筑(zhu)、分(fen)層(ceng)壓(ya)(ya)(ya)實，每層(ceng)壓(ya)(ya)(ya)實厚(hou)度為15cm，壓(ya)(ya)(ya)實度要求達到設計(ji)要求后(hou)方可(ke)進(jin)(jin)行下一層(ceng)填(tian)(tian)筑(zhu)。填(tian)(tian)筑(zhu)必須在波紋(wen)涵管兩側對稱同步進(jin)(jin)行，兩側的回(hui)填(tian)(tian)土(tu)高差不得大于15cm。對于有兩端(duan)擋墻的涵洞，回(hui)填(tian)(tian)應(ying)從(cong)兩端(duan)向結構中心進(jin)(jin)行。如果(guo)因偏(pian)土(tu)壓(ya)(ya)(ya)造成鋼(gang)波紋(wen)涵管變形(xing)的，應(ying)修正(zheng)截(jie)面(mian)尺寸后(hou)重新壓(ya)(ya)(ya)實。

鐵路鋼波紋管

波紋涵管兩側(ce)部位回填(tian)：填(tian)土之前，可(ke)在波紋涵管兩側(ce)面用紅油漆按(an)每15cm高度(du)作出填(tian)高標(biao)示，填(tian)筑(zhu)時按(an)標(biao)注(zhu)線(xian)控制。在管身更大(da)直徑(jing)兩側(ce)50cm外可(ke)采用12～18T的壓路機應實(shi)，50cm范圍內采用小型(xing)夯(hang)實(shi)機械(xie)夯(hang)實(shi)，以(yi)避免大(da)型(xing)機械(xie)設備對涵管的撞(zhuang)擊。靠近(jin)管體周圍50cm范圍內，不允許有(you)大(da)于50mm的石塊、混凝(ning)土塊或其他有(you)害腐蝕(shi)材料。

壓實(shi)(shi)度(du)要(yao)(yao)求(qiu)(qiu)：基礎應(ying)采用振(zhen)動壓實(shi)(shi)機(ji)進行分層碾(nian)壓，碾(nian)壓時應(ying)根據回填(tian)材料的含水量及(ji)擊實(shi)(shi)曲線灑水碾(nian)壓，壓實(shi)(shi)度(du)不(bu)小于規范(fan)要(yao)(yao)求(qiu)(qiu)。具體施工(gong)技(ji)術要(yao)(yao)求(qiu)(qiu)可參(can)閱《公(gong)路路基設計(ji)規范(fan)》和(he)《公(gong)路路基施工(gong)技(ji)術規范(fan)》。波(bo)紋涵管(guan)兩側(ce)及(ji)頂部100cm范(fan)圍內(nei)的回填(tian)及(ji)壓實(shi)(shi)度(du)要(yao)(yao)求(qiu)(qiu)，圖中涵洞(dong)兩側(ce)回填(tian)土(tu)(tu)壓實(shi)(shi)度(du)要(yao)(yao)求(qiu)(qiu)執行，當涵頂填(tian)土(tu)(tu)厚度(du)超過100cm時，填(tian)土(tu)(tu)壓實(shi)(shi)度(du)與同(tong)一標高路基壓實(shi)(shi)度(du)要(yao)(yao)求(qiu)(qiu)相(xiang)同(tong)。（hanihanbj.com）