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衡水浩威新材料有限公司主(zhu)營產(chan)品:鋼(gang)波紋(wen)管、鋼(gang)波紋(wen)涵管

湖南鋼波紋涵管施工現場的安全要求有哪些?

瀏覽:16846 發布(bu)日期:2019-02-21

施(shi)工過(guo)程中,嚴格遵守(shou)操(cao)作規則,嚴防(fang)落物傷(shang)人(ren)及(ji)墜落事故(gu)。各種電氣(qi)設(she)備運轉和漏(lou)電保護裝(zhuang)置,不(bu)準隨(sui)意改換(huan)安(an)裝(zhuang)方式,尤其對于施(shi)工作業的投光燈,裝(zhuang)接(jie)工作,一點不(bu)準馬(ma)虎(hu)、絲毫不(bu)能漏(lou)電,確保安(an)全。所有容易碰(peng)砸的電氣(qi)設(she)備加裝(zhuang)防(fang)護罩或遮欄,防(fang)止(zhi)碰(peng)傷(shang)危險(xian)。

鋼(gang)波紋涵管(guan)施工現場的(de)安全(quan)要(yao)求有(you)哪些?

波(bo)(bo)紋涵管(guan)管(guan)底兩側模形(xing)部位的密實(shi)度很重(zhong)(zhong)要,一(yi)般設計(ji)采用現澆(jiao)C20細石混凝土(tu)護壁全斷面填(tian)筑,以保證模形(xing)區(qu)域的密實(shi),利于波(bo)(bo)紋涵管(guan)的穩定性。波(bo)(bo)紋涵管(guan)頂部填(tian)土(tu)每(mei)層厚15cm,壓(ya)實(shi)度應滿足規范要求(qiu)。涵管(guan)沒有(you)達到小填(tian)土(tu)高度時(shi),不(bu)得使用大于6T的壓(ya)路機械碾壓(ya),也不(bu)允許任何重(zhong)(zhong)型車輛通行(xing)。

鐵路鋼波紋管

鐵(tie)路鋼波紋管

參加金屬波紋(wen)涵(han)管施工(gong)(gong)人員要熟知本工(gong)(gong)種的(de)安全操(cao)作(zuo)規(gui)程(cheng),堅守崗(gang)位。特(te)殊(shu)工(gong)(gong)種人員如電(dian)工(gong)(gong)、電(dian)焊工(gong)(gong)、混凝(ning)土(tu)工(gong)(gong)、起重工(gong)(gong)等施工(gong)(gong)人員,必須(xu)經(jing)過專門培訓,熟練掌握操(cao)作(zuo)要求,嚴(yan)格執(zhi)行本工(gong)(gong)種的(de)安全操(cao)作(zuo)規(gui)程(cheng),必須(xu)隨(sui)身攜(xie)帶有關證件(或復印件)上崗(gang)備查。搭設金屬波紋(wen)涵(han)管施工(gong)(gong)支(zhi)架(jia)要隨(sui)時檢(jian)(jian)查支(zhi)架(jia)的(de)穩定(ding)性,并且加固。支(zhi)架(jia)完成后(hou),要檢(jian)(jian)查、驗算支(zhi)架(jia)的(de)承(cheng)力,滿足承(cheng)載要求后(hou)再進行上部施工(gong)(gong)。

波紋涵(han)(han)管頂部及兩側20m范(fan)圍內(nei)(nei)不允(yun)許使用(yong)機械進行強夯,洞身兩側應(ying)(ying)用(yong)人(ren)工(gong)(gong)或小型機具(ju)對(dui)稱(cheng)夯填(tian),待(dai)填(tian)方(fang)高(gao)出涵(han)(han)頂1米時(shi),可采(cai)用(yong)機械填(tian)筑。在完成回填(tian)之后,終(zhong)截面(mian)尺(chi)(chi)寸與組裝時(shi)的(de)尺(chi)(chi)寸差(cha)異更(geng)大不得(de)超(chao)過(guo)2%。如截面(mian)變形(xing)量超(chao)過(guo)變形(xing)范(fan)圍,應(ying)(ying)立即終(zhong)止(zhi)施工(gong)(gong),查明原因,采(cai)取相應(ying)(ying)措施將變形(xing)量控(kong)制在標準要(yao)求范(fan)圍內(nei)(nei)。

填(tian)(tian)筑(zhu)時應(ying)分層(ceng)填(tian)(tian)筑(zhu)、分層(ceng)壓(ya)實,每(mei)層(ceng)壓(ya)實厚度為15cm,壓(ya)實度要(yao)求達到設計(ji)要(yao)求后方(fang)可進(jin)(jin)行(xing)下一(yi)層(ceng)填(tian)(tian)筑(zhu)。填(tian)(tian)筑(zhu)必須在波紋涵(han)管(guan)兩(liang)側對稱(cheng)同步進(jin)(jin)行(xing),兩(liang)側的(de)(de)回填(tian)(tian)土高(gao)差不得大于(yu)15cm。對于(yu)有兩(liang)端(duan)擋墻(qiang)的(de)(de)涵(han)洞(dong),回填(tian)(tian)應(ying)從兩(liang)端(duan)向(xiang)結構中心(xin)進(jin)(jin)行(xing)。如(ru)果因偏(pian)土壓(ya)造成鋼波紋涵(han)管(guan)變形的(de)(de),應(ying)修正(zheng)截面尺寸后重新壓(ya)實。

鐵路鋼波紋管

鐵路鋼波(bo)紋管

波紋涵(han)管兩側(ce)部位(wei)回填:填土之(zhi)前(qian),可在波紋涵(han)管兩側(ce)面(mian)用紅油(you)漆按每15cm高度(du)作出填高標示,填筑時按標注線(xian)控制。在管身(shen)更大(da)直(zhi)徑兩側(ce)50cm外可采用12~18T的壓路機應實,50cm范(fan)圍(wei)(wei)內采用小型(xing)(xing)夯實機械夯實,以避免大(da)型(xing)(xing)機械設備(bei)對涵(han)管的撞擊。靠(kao)近管體周(zhou)圍(wei)(wei)50cm范(fan)圍(wei)(wei)內,不允許(xu)有大(da)于(yu)50mm的石(shi)塊、混凝土塊或其他有害腐蝕(shi)材料。

壓(ya)(ya)(ya)實(shi)度(du)(du)要(yao)求:基(ji)(ji)礎應采(cai)用振動壓(ya)(ya)(ya)實(shi)機進行分層碾(nian)壓(ya)(ya)(ya),碾(nian)壓(ya)(ya)(ya)時(shi)(shi)應根(gen)據回填(tian)(tian)材料(liao)的含水量及擊(ji)實(shi)曲線(xian)灑(sa)水碾(nian)壓(ya)(ya)(ya),壓(ya)(ya)(ya)實(shi)度(du)(du)不小于規范(fan)要(yao)求。具體施工技(ji)術要(yao)求可參閱《公路(lu)(lu)路(lu)(lu)基(ji)(ji)設計規范(fan)》和《公路(lu)(lu)路(lu)(lu)基(ji)(ji)施工技(ji)術規范(fan)》。波(bo)紋涵管兩(liang)側及頂部(bu)100cm范(fan)圍內的回填(tian)(tian)及壓(ya)(ya)(ya)實(shi)度(du)(du)要(yao)求,圖中涵洞兩(liang)側回填(tian)(tian)土壓(ya)(ya)(ya)實(shi)度(du)(du)要(yao)求執行,當(dang)涵頂填(tian)(tian)土厚度(du)(du)超過100cm時(shi)(shi),填(tian)(tian)土壓(ya)(ya)(ya)實(shi)度(du)(du)與同一標高路(lu)(lu)基(ji)(ji)壓(ya)(ya)(ya)實(shi)度(du)(du)要(yao)求相同。(hanihanbj.com


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