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衡水浩威新材(cai)料有限公司主營產品:鋼波紋(wen)管(guan)、鋼波紋(wen)涵管(guan)

合川鋼波紋涵管施工現場的安全要求有哪些?

瀏覽:16722 發布日期:2019-02-21

施工過程(cheng)中,嚴格遵守操作(zuo)規則(ze),嚴防(fang)(fang)落物傷人及墜落事故。各種(zhong)電(dian)(dian)氣(qi)設備運(yun)轉和漏電(dian)(dian)保(bao)護裝置,不準隨意改換安裝方(fang)式,尤其對于施工作(zuo)業的(de)投光燈,裝接(jie)工作(zuo),一點(dian)不準馬虎(hu)、絲毫不能漏電(dian)(dian),確保(bao)安全。所有(you)容易碰砸的(de)電(dian)(dian)氣(qi)設備加裝防(fang)(fang)護罩或遮欄(lan),防(fang)(fang)止碰傷危險。

鋼波紋涵管施(shi)工現場(chang)的安(an)全要求有(you)哪些(xie)?

波(bo)紋(wen)涵(han)管管底兩(liang)側模形部位(wei)的密實度很重(zhong)要,一般設計采用(yong)現澆(jiao)C20細石混凝土(tu)(tu)護壁全斷面填(tian)筑,以保證(zheng)模形區(qu)域的密實,利于(yu)波(bo)紋(wen)涵(han)管的穩定性。波(bo)紋(wen)涵(han)管頂部填(tian)土(tu)(tu)每(mei)層厚15cm,壓實度應(ying)滿足規范要求。涵(han)管沒有達到小填(tian)土(tu)(tu)高度時,不得使用(yong)大于(yu)6T的壓路機械碾壓,也(ye)不允許任何重(zhong)型車輛通行。

鐵路鋼波紋管

鐵路鋼波(bo)紋管

參加金(jin)(jin)屬波(bo)(bo)紋涵(han)管施(shi)工(gong)人員要(yao)(yao)熟知(zhi)本工(gong)種的安全操(cao)作規(gui)程(cheng)(cheng),堅守(shou)崗(gang)位(wei)。特(te)殊工(gong)種人員如電工(gong)、電焊工(gong)、混(hun)凝土工(gong)、起(qi)重工(gong)等施(shi)工(gong)人員,必須經過專門培訓,熟練掌(zhang)握操(cao)作要(yao)(yao)求(qiu),嚴格(ge)執行本工(gong)種的安全操(cao)作規(gui)程(cheng)(cheng),必須隨(sui)身攜帶有(you)關證件(jian)(或(huo)復(fu)印件(jian))上崗(gang)備查(cha)。搭設(she)金(jin)(jin)屬波(bo)(bo)紋涵(han)管施(shi)工(gong)支(zhi)架(jia)(jia)要(yao)(yao)隨(sui)時(shi)檢(jian)查(cha)支(zhi)架(jia)(jia)的穩定(ding)性,并且加固。支(zhi)架(jia)(jia)完成后,要(yao)(yao)檢(jian)查(cha)、驗算支(zhi)架(jia)(jia)的承力,滿足承載要(yao)(yao)求(qiu)后再進行上部施(shi)工(gong)。

波紋涵管頂部及(ji)兩側(ce)20m范(fan)圍(wei)(wei)內不(bu)允許(xu)使用(yong)(yong)機(ji)械(xie)進(jin)行強夯,洞身(shen)兩側(ce)應用(yong)(yong)人工(gong)或小型機(ji)具對稱(cheng)夯填,待填方高出涵頂1米時,可采(cai)用(yong)(yong)機(ji)械(xie)填筑。在(zai)完成回填之后(hou),終(zhong)截(jie)面尺寸(cun)與組裝(zhuang)時的尺寸(cun)差異更(geng)大不(bu)得超過2%。如(ru)截(jie)面變(bian)形(xing)量(liang)超過變(bian)形(xing)范(fan)圍(wei)(wei),應立即(ji)終(zhong)止施工(gong),查明原因(yin),采(cai)取相(xiang)應措施將變(bian)形(xing)量(liang)控制(zhi)在(zai)標準要求(qiu)范(fan)圍(wei)(wei)內。

填(tian)筑時應分層(ceng)(ceng)填(tian)筑、分層(ceng)(ceng)壓(ya)實(shi),每層(ceng)(ceng)壓(ya)實(shi)厚度(du)(du)為15cm,壓(ya)實(shi)度(du)(du)要(yao)求達到設計(ji)要(yao)求后方可進(jin)行下一(yi)層(ceng)(ceng)填(tian)筑。填(tian)筑必(bi)須(xu)在波紋涵(han)(han)(han)管兩(liang)(liang)側對稱同步(bu)進(jin)行,兩(liang)(liang)側的回(hui)填(tian)土高(gao)差不得大于15cm。對于有兩(liang)(liang)端擋墻(qiang)的涵(han)(han)(han)洞,回(hui)填(tian)應從兩(liang)(liang)端向結構中(zhong)心進(jin)行。如(ru)果因偏(pian)土壓(ya)造成鋼波紋涵(han)(han)(han)管變形的,應修正截面(mian)尺(chi)寸后重(zhong)新壓(ya)實(shi)。

鐵路鋼波紋管

鐵路鋼波紋管

波(bo)紋(wen)涵管(guan)兩(liang)側(ce)(ce)部位回填(tian)(tian):填(tian)(tian)土之前,可(ke)在(zai)波(bo)紋(wen)涵管(guan)兩(liang)側(ce)(ce)面用(yong)紅油漆按每(mei)15cm高度作出填(tian)(tian)高標(biao)示(shi),填(tian)(tian)筑時(shi)按標(biao)注線控制。在(zai)管(guan)身更大直(zhi)徑兩(liang)側(ce)(ce)50cm外可(ke)采用(yong)12~18T的(de)壓路機(ji)(ji)應(ying)實,50cm范圍(wei)內采用(yong)小型夯(hang)實機(ji)(ji)械(xie)夯(hang)實,以避(bi)免大型機(ji)(ji)械(xie)設備對涵管(guan)的(de)撞擊。靠近管(guan)體周圍(wei)50cm范圍(wei)內,不(bu)允許有大于50mm的(de)石塊、混凝土塊或其他有害(hai)腐蝕材(cai)料(liao)。

壓(ya)(ya)實(shi)度(du)(du)要求(qiu)(qiu)(qiu):基(ji)礎(chu)應采用振動壓(ya)(ya)實(shi)機進(jin)行分(fen)層碾(nian)壓(ya)(ya),碾(nian)壓(ya)(ya)時應根據回(hui)填材料的含水量及(ji)(ji)擊(ji)實(shi)曲(qu)線(xian)灑水碾(nian)壓(ya)(ya),壓(ya)(ya)實(shi)度(du)(du)不小(xiao)于規(gui)范(fan)要求(qiu)(qiu)(qiu)。具體施(shi)工技(ji)術(shu)要求(qiu)(qiu)(qiu)可參閱《公路(lu)(lu)路(lu)(lu)基(ji)設計規(gui)范(fan)》和《公路(lu)(lu)路(lu)(lu)基(ji)施(shi)工技(ji)術(shu)規(gui)范(fan)》。波紋(wen)涵(han)管(guan)兩側(ce)及(ji)(ji)頂部100cm范(fan)圍內的回(hui)填及(ji)(ji)壓(ya)(ya)實(shi)度(du)(du)要求(qiu)(qiu)(qiu),圖中涵(han)洞(dong)兩側(ce)回(hui)填土壓(ya)(ya)實(shi)度(du)(du)要求(qiu)(qiu)(qiu)執行,當涵(han)頂填土厚度(du)(du)超過100cm時,填土壓(ya)(ya)實(shi)度(du)(du)與同一標高路(lu)(lu)基(ji)壓(ya)(ya)實(shi)度(du)(du)要求(qiu)(qiu)(qiu)相同。(hanihanbj.com


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