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衡水(shui)浩(hao)威新材料(liao)有限公司主營(ying)產品:鋼波(bo)紋管、鋼波(bo)紋涵管

南充鋼波紋涵管施工現場的安全要求有哪些?

瀏覽:16928 發布日期:2019-02-21

施工過程中(zhong),嚴(yan)格遵守操作(zuo)規(gui)則,嚴(yan)防落物傷(shang)人及墜落事故。各種電(dian)(dian)氣設備(bei)運轉和漏電(dian)(dian)保護(hu)裝(zhuang)(zhuang)置(zhi),不準隨(sui)意改換(huan)安裝(zhuang)(zhuang)方式,尤其對于施工作(zuo)業(ye)的(de)投光燈,裝(zhuang)(zhuang)接工作(zuo),一點(dian)不準馬虎、絲毫(hao)不能漏電(dian)(dian),確保安全。所有容易碰砸的(de)電(dian)(dian)氣設備(bei)加裝(zhuang)(zhuang)防護(hu)罩或遮欄,防止碰傷(shang)危險。

鋼波(bo)紋涵管施工現(xian)場的安全要求有哪些?

波紋(wen)涵(han)管管底(di)兩側模形部位的密實度很重(zhong)要,一般(ban)設計采用現澆(jiao)C20細石混凝土(tu)(tu)護壁全斷(duan)面填(tian)筑,以保(bao)證模形區域(yu)的密實,利于波紋(wen)涵(han)管的穩定性。波紋(wen)涵(han)管頂部填(tian)土(tu)(tu)每層厚15cm,壓實度應滿足規(gui)范要求。涵(han)管沒有達到小填(tian)土(tu)(tu)高度時,不(bu)得使用大于6T的壓路機(ji)械(xie)碾壓,也不(bu)允許(xu)任(ren)何重(zhong)型車輛通行。

鐵路鋼波紋管

鐵路鋼波紋管

參加金屬(shu)波(bo)紋(wen)涵(han)管施(shi)工(gong)(gong)(gong)人(ren)員要熟知本(ben)工(gong)(gong)(gong)種(zhong)的安(an)全操作規程,堅守(shou)崗位(wei)。特殊工(gong)(gong)(gong)種(zhong)人(ren)員如(ru)電工(gong)(gong)(gong)、電焊工(gong)(gong)(gong)、混凝(ning)土工(gong)(gong)(gong)、起(qi)重工(gong)(gong)(gong)等施(shi)工(gong)(gong)(gong)人(ren)員,必須經(jing)過專門培訓(xun),熟練掌握(wo)操作要求,嚴格執(zhi)行(xing)本(ben)工(gong)(gong)(gong)種(zhong)的安(an)全操作規程,必須隨身攜帶有關證件(或(huo)復印(yin)件)上崗備查。搭設金屬(shu)波(bo)紋(wen)涵(han)管施(shi)工(gong)(gong)(gong)支架(jia)(jia)要隨時檢查支架(jia)(jia)的穩定(ding)性,并且加固。支架(jia)(jia)完(wan)成后(hou),要檢查、驗算支架(jia)(jia)的承(cheng)力,滿足承(cheng)載要求后(hou)再進行(xing)上部施(shi)工(gong)(gong)(gong)。

波紋涵管頂(ding)部及(ji)兩側20m范(fan)圍(wei)內不(bu)允許(xu)使用機(ji)械(xie)進行強夯,洞身兩側應(ying)用人工(gong)或小型機(ji)具對稱夯填,待填方高出(chu)涵頂(ding)1米時(shi)(shi),可采用機(ji)械(xie)填筑。在(zai)完成回填之(zhi)后,終截面(mian)(mian)尺(chi)寸(cun)與(yu)組裝時(shi)(shi)的尺(chi)寸(cun)差(cha)異更大不(bu)得超過(guo)2%。如(ru)截面(mian)(mian)變(bian)形(xing)量超過(guo)變(bian)形(xing)范(fan)圍(wei),應(ying)立即終止施(shi)工(gong),查明原因,采取相應(ying)措(cuo)施(shi)將變(bian)形(xing)量控制在(zai)標準要(yao)求范(fan)圍(wei)內。

填筑(zhu)時應(ying)分層(ceng)填筑(zhu)、分層(ceng)壓實(shi),每(mei)層(ceng)壓實(shi)厚(hou)度為15cm,壓實(shi)度要(yao)求(qiu)達到(dao)設(she)計要(yao)求(qiu)后(hou)方可進行(xing)下一層(ceng)填筑(zhu)。填筑(zhu)必須在波紋涵管(guan)兩側(ce)對(dui)稱同步進行(xing),兩側(ce)的回(hui)填土高差不得大于15cm。對(dui)于有兩端擋墻的涵洞,回(hui)填應(ying)從兩端向結構中心(xin)進行(xing)。如果因偏土壓造(zao)成鋼波紋涵管(guan)變形的,應(ying)修(xiu)正截面尺寸后(hou)重新壓實(shi)。

鐵路鋼波紋管

鐵路(lu)鋼波紋管

波紋(wen)涵管(guan)兩(liang)側部位(wei)回填(tian)(tian):填(tian)(tian)土之前,可在(zai)波紋(wen)涵管(guan)兩(liang)側面用紅(hong)油漆(qi)按(an)每15cm高度作(zuo)出填(tian)(tian)高標示(shi),填(tian)(tian)筑時(shi)按(an)標注線控制。在(zai)管(guan)身(shen)更大直徑兩(liang)側50cm外(wai)可采(cai)用12~18T的(de)(de)壓路機應實(shi)(shi),50cm范圍(wei)內采(cai)用小型(xing)夯實(shi)(shi)機械夯實(shi)(shi),以(yi)避(bi)免(mian)大型(xing)機械設備(bei)對涵管(guan)的(de)(de)撞擊。靠近管(guan)體周(zhou)圍(wei)50cm范圍(wei)內,不允(yun)許有(you)大于50mm的(de)(de)石塊、混凝土塊或其(qi)他有(you)害腐蝕材料(liao)。

壓(ya)(ya)實(shi)(shi)(shi)度要(yao)(yao)求(qiu)(qiu):基(ji)礎應(ying)采(cai)用振(zhen)動壓(ya)(ya)實(shi)(shi)(shi)機進行(xing)(xing)分層碾(nian)壓(ya)(ya),碾(nian)壓(ya)(ya)時應(ying)根據回填材料的含水量及(ji)(ji)擊實(shi)(shi)(shi)曲線灑水碾(nian)壓(ya)(ya),壓(ya)(ya)實(shi)(shi)(shi)度不小于(yu)規(gui)(gui)范(fan)要(yao)(yao)求(qiu)(qiu)。具體施工(gong)技術要(yao)(yao)求(qiu)(qiu)可參(can)閱《公(gong)(gong)路路基(ji)設(she)計規(gui)(gui)范(fan)》和《公(gong)(gong)路路基(ji)施工(gong)技術規(gui)(gui)范(fan)》。波紋涵(han)管(guan)兩側及(ji)(ji)頂(ding)部(bu)100cm范(fan)圍內的回填及(ji)(ji)壓(ya)(ya)實(shi)(shi)(shi)度要(yao)(yao)求(qiu)(qiu),圖中(zhong)涵(han)洞兩側回填土壓(ya)(ya)實(shi)(shi)(shi)度要(yao)(yao)求(qiu)(qiu)執行(xing)(xing),當(dang)涵(han)頂(ding)填土厚度超(chao)過(guo)100cm時,填土壓(ya)(ya)實(shi)(shi)(shi)度與同一標(biao)高路基(ji)壓(ya)(ya)實(shi)(shi)(shi)度要(yao)(yao)求(qiu)(qiu)相(xiang)同。(hanihanbj.com


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