施工過程中(zhong)，嚴(yan)格遵守操作(zuo)規(gui)則，嚴(yan)防(fang)(fang)落物傷人及墜(zhui)落事故。各(ge)種電氣(qi)(qi)設備運轉(zhuan)和漏電保(bao)(bao)護裝置，不(bu)準隨(sui)意改換安裝方式(shi)，尤其對于(yu)施工作(zuo)業的投光燈，裝接(jie)工作(zuo)，一(yi)點(dian)不(bu)準馬(ma)虎、絲毫不(bu)能漏電，確保(bao)(bao)安全。所有容易碰砸的電氣(qi)(qi)設備加裝防(fang)(fang)護罩或遮欄(lan)，防(fang)(fang)止(zhi)碰傷危險。

鋼波紋(wen)涵管施(shi)工現場的安全要求有哪些？

波(bo)紋(wen)涵(han)管管底(di)兩側模形部(bu)位的(de)密實度(du)很重(zhong)要，一(yi)般(ban)設計采用現澆(jiao)C20細(xi)石混凝土(tu)護(hu)壁全斷面填筑，以保證模形區域的(de)密實，利于波(bo)紋(wen)涵(han)管的(de)穩(wen)定(ding)性(xing)。波(bo)紋(wen)涵(han)管頂部(bu)填土(tu)每(mei)層厚(hou)15cm，壓實度(du)應滿足(zu)規范要求(qiu)。涵(han)管沒有達到小(xiao)填土(tu)高度(du)時，不得使用大于6T的(de)壓路機械碾壓，也(ye)不允許任何重(zhong)型車(che)輛通行。

鐵路鋼波(bo)紋管(guan)

參加金(jin)屬波(bo)(bo)紋涵管(guan)施(shi)工(gong)(gong)(gong)人員要(yao)(yao)熟(shu)知本工(gong)(gong)(gong)種(zhong)的安(an)(an)全操(cao)(cao)作(zuo)規(gui)程，堅守(shou)崗位。特殊工(gong)(gong)(gong)種(zhong)人員如電工(gong)(gong)(gong)、電焊工(gong)(gong)(gong)、混凝土工(gong)(gong)(gong)、起重工(gong)(gong)(gong)等施(shi)工(gong)(gong)(gong)人員，必須經(jing)過專門(men)培訓，熟(shu)練掌握操(cao)(cao)作(zuo)要(yao)(yao)求(qiu)，嚴格執(zhi)行本工(gong)(gong)(gong)種(zhong)的安(an)(an)全操(cao)(cao)作(zuo)規(gui)程，必須隨身攜帶有關證件（或(huo)復印件）上(shang)崗備(bei)查。搭設金(jin)屬波(bo)(bo)紋涵管(guan)施(shi)工(gong)(gong)(gong)支架(jia)要(yao)(yao)隨時檢查支架(jia)的穩定性(xing)，并且(qie)加固。支架(jia)完(wan)成后，要(yao)(yao)檢查、驗算(suan)支架(jia)的承力，滿足承載要(yao)(yao)求(qiu)后再(zai)進(jin)行上(shang)部施(shi)工(gong)(gong)(gong)。

波(bo)紋(wen)涵管頂部及(ji)兩(liang)側20m范圍內不允(yun)許(xu)使(shi)用機械進(jin)行強夯，洞身兩(liang)側應(ying)用人工或(huo)小型機具對稱夯填，待填方(fang)高出涵頂1米(mi)時，可采用機械填筑。在完成(cheng)回(hui)填之后，終(zhong)截面(mian)尺(chi)寸(cun)與組裝時的尺(chi)寸(cun)差異更(geng)大不得超過2%。如截面(mian)變形量(liang)超過變形范圍，應(ying)立即終(zhong)止(zhi)施工，查明原因(yin)，采取相應(ying)措施將(jiang)變形量(liang)控制在標準要求范圍內。

填(tian)(tian)(tian)筑(zhu)時(shi)應分層(ceng)填(tian)(tian)(tian)筑(zhu)、分層(ceng)壓(ya)(ya)實(shi)(shi)，每層(ceng)壓(ya)(ya)實(shi)(shi)厚度為(wei)15cm，壓(ya)(ya)實(shi)(shi)度要(yao)求達到(dao)設計(ji)要(yao)求后方可進行(xing)(xing)下(xia)一層(ceng)填(tian)(tian)(tian)筑(zhu)。填(tian)(tian)(tian)筑(zhu)必須在波紋涵(han)(han)管(guan)兩側對稱同步進行(xing)(xing)，兩側的回填(tian)(tian)(tian)土高差不得大(da)于15cm。對于有兩端(duan)擋墻(qiang)的涵(han)(han)洞，回填(tian)(tian)(tian)應從兩端(duan)向結構(gou)中心進行(xing)(xing)。如果因偏土壓(ya)(ya)造(zao)成(cheng)鋼(gang)波紋涵(han)(han)管(guan)變形的，應修正截面尺(chi)寸后重新壓(ya)(ya)實(shi)(shi)。

鐵(tie)路鋼波紋管

波紋(wen)涵(han)(han)(han)管(guan)(guan)兩側(ce)部位回填(tian)：填(tian)土之前(qian)，可在波紋(wen)涵(han)(han)(han)管(guan)(guan)兩側(ce)面用紅油漆按(an)每(mei)15cm高度作出填(tian)高標(biao)示，填(tian)筑時按(an)標(biao)注線控制。在管(guan)(guan)身更大(da)直徑兩側(ce)50cm外可采用12～18T的壓路機(ji)應(ying)實，50cm范圍內(nei)采用小型夯實機(ji)械夯實，以(yi)避免(mian)大(da)型機(ji)械設備對涵(han)(han)(han)管(guan)(guan)的撞擊。靠近管(guan)(guan)體周圍50cm范圍內(nei)，不(bu)允(yun)許有大(da)于50mm的石塊、混凝(ning)土塊或(huo)其他有害(hai)腐蝕材料。

壓(ya)(ya)實(shi)度(du)(du)(du)要(yao)求(qiu)：基(ji)礎應采用振(zhen)動壓(ya)(ya)實(shi)機進行(xing)分層碾(nian)壓(ya)(ya)，碾(nian)壓(ya)(ya)時應根(gen)據(ju)回(hui)填(tian)材料的(de)含(han)水量及擊實(shi)曲線灑水碾(nian)壓(ya)(ya)，壓(ya)(ya)實(shi)度(du)(du)(du)不小于規(gui)(gui)范(fan)要(yao)求(qiu)。具體施工技(ji)術(shu)要(yao)求(qiu)可參閱《公(gong)路(lu)路(lu)基(ji)設計規(gui)(gui)范(fan)》和《公(gong)路(lu)路(lu)基(ji)施工技(ji)術(shu)規(gui)(gui)范(fan)》。波紋涵管兩(liang)側(ce)及頂(ding)部100cm范(fan)圍內的(de)回(hui)填(tian)及壓(ya)(ya)實(shi)度(du)(du)(du)要(yao)求(qiu)，圖中(zhong)涵洞(dong)兩(liang)側(ce)回(hui)填(tian)土(tu)壓(ya)(ya)實(shi)度(du)(du)(du)要(yao)求(qiu)執行(xing)，當涵頂(ding)填(tian)土(tu)厚度(du)(du)(du)超過100cm時，填(tian)土(tu)壓(ya)(ya)實(shi)度(du)(du)(du)與同一標高路(lu)基(ji)壓(ya)(ya)實(shi)度(du)(du)(du)要(yao)求(qiu)相同。（hanihanbj.com）