拆(chai)除(chu)煙(yan)囪(cong)改裝程序(xu)：更(geng)換外(wai)圍(wei)(wei)(wei)(wei)(wei)圈(quan)(quan)(quan)(quan)拆(chai)除(chu)輻射(she)梁組(zu)裝新外(wai)圍(wei)(wei)(wei)(wei)(wei)圈(quan)(quan)(quan)(quan)，連接(jie)(jie)板，然(ran)后(hou)拆(chai)除(chu)副輻射(she)梁上(shang)(shang)的提升(sheng)架(jia)(jia)、千斤頂(ding)，同(tong)時(shi)拆(chai)除(chu)原外(wai)圍(wei)(wei)(wei)(wei)(wei)圈(quan)(quan)(quan)(quan)和連接(jie)(jie)槽鋼(gang)(gang)(gang)，割去(qu)主輻射(she)梁相(xiang)(xiang)應(ying)(ying)長度(du)，將(jiang)原安(an)全(quan)欄(lan)桿裝置(zhi)(zhi)在(zai)(zai)新外(wai)圍(wei)(wei)(wei)(wei)(wei)圈(quan)(quan)(quan)(quan)上(shang)(shang)，最后(hou)鋪平臺(tai)板，全(quan)面檢查(cha)后(hou)，再繼續滑(hua)(hua)升(sheng)，本工(gong)(gong)程0.5m始滑(hua)(hua)時(shi)20只(zhi)GYD-60型個千斤頂(ding)，至50m改裝后(hou)為(wei)14只(zhi)千斤頂(ding)（在(zai)(zai)井架(jia)(jia)4根支撐方(fang)向(xiang)的提升(sheng)架(jia)(jia)上(shang)(shang)各增設(she)1只(zhi)千斤頂(ding)）。 筒(tong)(tong)身(shen)中心(xin)和垂直(zhi)度(du)測：據我公司多年施(shi)工(gong)(gong)經(jing)驗(yan)，由(you)于(yu)(yu)本工(gong)(gong)程采用單吊籠，中心(xin)無法架(jia)(jia)設(she)儀器，激(ji)光控(kong)制(zhi)費時(shi)又(you)不安(an)全(quan)，故(gu)本工(gong)(gong)程采用線(xian)(xian)錘(chui)(chui)(chui)法，在(zai)(zai)操作(zuo)平臺(tai)中心(xin)設(she)置(zhi)(zhi)一(yi)個40kg重(zhong)的線(xian)(xian)錘(chui)(chui)(chui)，線(xian)(xian)錘(chui)(chui)(chui)以(yi)細鋼(gang)(gang)(gang)絲(si)繩(sheng)懸掛在(zai)(zai)平臺(tai)的下(xia)(xia)部，對應(ying)(ying)于(yu)(yu)線(xian)(xian)錘(chui)(chui)(chui)下(xia)(xia)方(fang)的筒(tong)(tong)身(shen)內中心(xin)控(kong)制(zhi)樁，要(yao)線(xian)(xian)錘(chui)(chui)(chui)鋼(gang)(gang)(gang)絲(si)繩(sheng)的上(shang)(shang)端(duan)設(she)置(zhi)(zhi)滑(hua)(hua)輪及放(fang)線(xian)(xian)器，隨著模(mo)板的滑(hua)(hua)升(sheng)，隨將(jiang)鋼(gang)(gang)(gang)絲(si)繩(sheng)放(fang)長，每(mei)提升(sheng)300～500mm高度(du)觀測記錄一(yi)次，連續記錄各點的軌跡，發現問題及時(shi)調(diao)整(zheng)糾偏. 本工(gong)(gong)程由(you)于(yu)(yu)筒(tong)(tong)身(shen)上(shang)(shang)下(xia)(xia)直(zhi)徑變化，新建煙(yan)囪(cong)為(wei)保證滑(hua)(hua)模(mo)過程中筒(tong)(tong)身(shen)的圓度(du)采用二套鋼(gang)(gang)(gang)管(guan)模(mo)板圍(wei)(wei)(wei)(wei)(wei)圈(quan)(quan)(quan)(quan)，另加10根附加輻射(she)梁，在(zai)(zai)平臺(tai)滑(hua)(hua)升(sheng)至50米標高時(shi)，操作(zuo)平臺(tai)需(xu)分別按設(she)計(ji)進行改裝。 更(geng)換鋼(gang)(gang)(gang)管(guan)圍(wei)(wei)(wei)(wei)(wei)圈(quan)(quan)(quan)(quan)：首先拆(chai)除(chu)鋼(gang)(gang)(gang)管(guan)上(shang)(shang)圍(wei)(wei)(wei)(wei)(wei)圈(quan)(quan)(quan)(quan)（下(xia)(xia)圍(wei)(wei)(wei)(wei)(wei)圈(quan)(quan)(quan)(quan)不拆(chai)，以(yi)防止滑(hua)(hua)模(mo)下(xia)(xia)滑(hua)(hua)），同(tong)時(shi)組(zu)裝50m以(yi)上(shang)(shang)鋼(gang)(gang)(gang)管(guan)圍(wei)(wei)(wei)(wei)(wei)圈(quan)(quan)(quan)(quan)（圍(wei)(wei)(wei)(wei)(wei)圈(quan)(quan)(quan)(quan)不得和副輻射(she)梁上(shang)(shang)提升(sheng)架(jia)(jia)相(xiang)(xiang)連），將(jiang)可以(yi)用鉤(gou)頭(tou)螺(luo)絲(si)的模(mo)板固(gu)定，需(xu)要(yao)調(diao)整(zheng)的模(mo)板進行調(diao)整(zheng)，并扣好(hao)鉤(gou)頭(tou)螺(luo)絲(si)，然(ran)后(hou)方(fang)可拆(chai)除(chu)鋼(gang)(gang)(gang)管(guan)下(xia)(xia)圍(wei)(wei)(wei)(wei)(wei)圈(quan)(quan)(quan)(quan)，同(tong)時(shi)組(zu)裝50m以(yi)上(shang)(shang)鋼(gang)(gang)(gang)管(guan)下(xia)(xia)圍(wei)(wei)(wei)(wei)(wei)圈(quan)(quan)(quan)(quan)，并固(gu)定好(hao)所有(you)模(mo)板。