鋼波紋涵管路堤法的工藝(yi)流程為:施(shi)工前準(zhun)備—施(shi)工放(fang)樣—設置(zhi)圍堰(yan)—排水(shui)清(qing)淤—平整(zheng)場(chang)地—檢(jian)測壓實度(du)、含(han)水(shui)量(liang)等—水(shui)準(zhun)測量(liang)—平整(zheng)場(chang)地—基礎分層回填(tian)—檢(jian)測壓實度(du)含(han)水(shui)量(liang)等—水(shui)準(zhun)測量(liang)—平整(zheng)場(chang)地—施(shi)工方樣—拼裝管節—檢(jian)測密水(shui)情況及管底縱(zong)坡—檢(jian)測并補救防腐(fu)涂(tu)層—涵管就(jiu)位——兩側分層回填(tian)—檢(jian)測壓實度(du)、含(han)水(shui)量(liang)等—進出口(kou)處理。
鋼波紋涵管在2019年的工作重(zhong)點在哪(na)里?
涵洞施(shi)工(gong)前應根據具體情況修筑相應長(chang)度(du)的施(shi)工(gong)便(bian)道,并合(he)理組織過往車輛。涵洞施(shi)工(gong)前必(bi)須對到現場的涵管節及其(qi)附屬配件進行檢(jian)測,一方面(mian)檢(jian)測其(qi)結構尺寸是(shi)否(fou)滿(man)足要(yao)求,另一方面(mian)檢(jian)測其(qi)表(biao)面(mian)防腐是(shi)否(fou)達(da)到要(yao)求;必(bi)要(yao)時須在鍍鋅涂層表(biao)面(mian)在增涂瀝青或其(qi)他防腐材(cai)料。
鋼波紋涵管反開槽回填法(fa)涵(han)洞施(shi)工(gong)(gong)(gong)前備齊所(suo)需(xu)材料。涵(han)洞施(shi)工(gong)(gong)(gong)前應準(zhun)備涵(han)洞施(shi)工(gong)(gong)(gong)過(guo)程中(zhong)試驗(yan)。檢測儀器和(he)設備,落實試驗(yan)人(ren)員(yuan)(yuan)。金(jin)屬波紋涵(han)管路(lu)堤法(fa)涵(han)洞施(shi)工(gong)(gong)(gong)前施(shi)工(gong)(gong)(gong)單(dan)位需(xu)要通知監理及相關(guan)人(ren)員(yuan)(yuan)到場,并按程序辦(ban)理施(shi)工(gong)(gong)(gong)前的手續。
涵管施工前(qian)應設一名管道安裝指(zhi)揮(hui)人(ren)員,負責指(zhi)揮(hui)吊裝及施工人(ren)員的(de)現場操(cao)作;設置(zhi)1~2名技(ji)術人(ren)員負責放線。涵管安置(zhi)等控制關(guan)鍵技(ji)術;同(tong)時(shi)配置(zhi)適當的(de)輔助人(ren)員。涵洞施工前(qian)應備齊所需(xu)的(de)機械設備及相關(guan)工具,反開槽回填法的(de)工藝(yi)流程(cheng)為。
鋼波紋(wen)涵(han)管洞施(shi)工工藝(yi)流程可分為路(lu)堤法和(he)反(fan)開(kai)槽回填法,由于后者涵(han)洞的(de)施(shi)工多(duo)在(zai)路(lu)基施(shi)工結束后和(he)改建涵(han)洞,所(suo)以(yi)不影響路(lu)基施(shi)工整體進(jin)度(du),一(yi)般后者較為多(duo)見。盡管在(zai)外力上二者存在(zai)一(yi)定的(de)差異(yi),但(dan)施(shi)工工藝(yi)相差不大。下面分別(bie)予(yu)以(yi)敘(xu)述。
鐵路鋼波紋涵管
施工前準備—施工放樣—開挖涵管(guan)(guan)(guan)及施工現場(chang)—平(ping)整場(chang)地—檢(jian)測壓(ya)(ya)實(shi)度—含(han)(han)水(shui)(shui)(shui)(shui)量(liang)等(deng)—水(shui)(shui)(shui)(shui)準測量(liang)—基礎分(fen)層回(hui)填—檢(jian)測壓(ya)(ya)實(shi)度、含(han)(han)水(shui)(shui)(shui)(shui)量(liang)等(deng)—水(shui)(shui)(shui)(shui)準測量(liang)—平(ping)整場(chang)地—施工放樣—拼裝管(guan)(guan)(guan)節—檢(jian)測密水(shui)(shui)(shui)(shui)情況及管(guan)(guan)(guan)底縱坡—檢(jian)測并補防腐涂層—涵管(guan)(guan)(guan)就位(wei)—兩側分(fen)層回(hui)填—檢(jian)測壓(ya)(ya)實(shi)度、含(han)(han)水(shui)(shui)(shui)(shui)量(liang)等(deng)—管(guan)(guan)(guan)頂分(fen)層回(hui)填——檢(jian)測壓(ya)(ya)實(shi)度、含(han)(han)水(shui)(shui)(shui)(shui)量(liang)等(deng)—進出(chu)口(kou)處理。(hanihanbj.com)
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