對U形(xing)(xing)波(bo)(bo)(bo)(bo)(bo)進(jin)行二次擠(ji)壓(ya)(ya),避開波(bo)(bo)(bo)(bo)(bo)谷(gu)的(de)(de)(de)(de)(de)(de)圓角(jiao)(jiao),首(shou)先擠(ji)壓(ya)(ya)與波(bo)(bo)(bo)(bo)(bo)谷(gu)相(xiang)連(lian)的(de)(de)(de)(de)(de)(de)寬(kuan)的(de)(de)(de)(de)(de)(de)位置,擠(ji)壓(ya)(ya)過程中波(bo)(bo)(bo)(bo)(bo)峰圓角(jiao)(jiao)與波(bo)(bo)(bo)(bo)(bo)谷(gu)圓角(jiao)(jiao)相(xiang)連(lian)的(de)(de)(de)(de)(de)(de)部分在靠近波(bo)(bo)(bo)(bo)(bo)谷(gu)的(de)(de)(de)(de)(de)(de)一側逐漸內凹,形(xing)(xing)成S形(xing)(xing)波(bo)(bo)(bo)(bo)(bo),此時波(bo)(bo)(bo)(bo)(bo)峰圓角(jiao)(jiao)有(you)減小的(de)(de)(de)(de)(de)(de)趨勢(shi),波(bo)(bo)(bo)(bo)(bo)紋外(wai)徑有(you)升高的(de)(de)(de)(de)(de)(de)趨勢(shi),終的(de)(de)(de)(de)(de)(de)波(bo)(bo)(bo)(bo)(bo)寬(kuan)及波(bo)(bo)(bo)(bo)(bo)間距是由(you)模(mo)具控制的(de)(de)(de)(de)(de)(de),此時得(de)到是S形(xing)(xing)波(bo)(bo)(bo)(bo)(bo)。混(hun)凝土運(yun)送(song)車輛要有(you)保溫辦法(fa),盡量縮(suo)短砼(tong)的(de)(de)(de)(de)(de)(de)運(yun)送(song)時刻。
參加金屬鋼波紋涵管施工(gong)(gong)人員(yuan)要(yao)熟(shu)(shu)知(zhi)本工(gong)(gong)種的安(an)全(quan)操(cao)作(zuo)規程,堅守崗位(wei)。特別工(gong)(gong)種人員(yuan)如電(dian)工(gong)(gong)、電(dian)焊工(gong)(gong)、混凝土工(gong)(gong)、起重工(gong)(gong)等施工(gong)(gong)人員(yuan),有(you)必要(yao)通過專門訓練(lian),熟(shu)(shu)練(lian)掌握操(cao)作(zuo)要(yao)求,嚴(yan)格執行本工(gong)(gong)種的安(an)全(quan)操(cao)作(zuo)規程,有(you)必要(yao)隨身(shen)攜帶有(you)關證件(jian)(或復印件(jian))上(shang)崗備(bei)檢。
學習了解一下鋼波紋涵(han)管的安全操作規程
添加(jia)砂、石料含水量檢測頻率(lv),及時調整混(hun)凝土合(he)作(zuo)比(bi),確保(bao)混(hun)凝土拌和質量。各種電氣設(she)備作(zuo)業(ye)和漏電維護設(she)備,不準(zhun)隨(sui)意(yi)轉換(huan)裝置方(fang)法(fa),特別關(guan)于施作(zuo)業(ye)業(ye)的(de)投(tou)光(guang)燈,裝接(jie)作(zuo)業(ye),一點(dian)不準(zhun)馬虎、一點(dian)點(dian)不能(neng)漏電,確保(bao)安全。所有簡單(dan)碰砸的(de)電氣設(she)備加(jia)裝防護罩或遮欄(lan),避免碰傷風(feng)險。
橋梁鋼(gang)波紋管
應對金屬(shu)波紋涵管等加(jia)強掩蓋,避免銹蝕。進(jin)行金屬(shu)波紋涵管銜接時(shi),應設(she)暫時(shi)防(fang)雨棚(peng),避免被雨水(shui)腐蝕。焊接時(shi)環境(jing)溫度應不低于-20℃,且應采納防(fang)雪(xue)(xue)、擋風等辦法,減(jian)少焊件的溫度差。焊接后的接頭禁止當即(ji)觸(chu)摸冰雪(xue)(xue)。
混(hun)凝土澆筑應(ying)(ying)挑(tiao)選天氣晴(qing)好的日(ri)子(zi),并確保(bao)降溫(wen)前(qian)完(wan)結,一起(qi)應(ying)(ying)進(jin)行保(bao)溫(wen)維護,在混(hun)凝土強度達到設(she)(she)計要求前(qian)不(bu)得受凍(dong)。施工(gong)(gong)過程中,嚴格遵守(shou)操作規矩,謹防落物傷(shang)人及(ji)掉落事端(duan)。雨期(qi)施工(gong)(gong)應(ying)(ying)提早(zao)安(an)排(pai),盡量安(an)排(pai)在降雨降臨(lin)前(qian)完(wan)結,基坑周邊有防水(shui)設(she)(she)備,避(bi)免周邊水(shui)流入基坑內。
電(dian)(dian)(dian)器有必要由專職電(dian)(dian)(dian)工(gong)裝置(zhi)和修補(bu),設置(zhi)標(biao)志,禁(jin)止酒(jiu)后施工(gong)。應特(te)別注(zhu)意做好供電(dian)(dian)(dian)線路(lu)維護(hu),現場機電(dian)(dian)(dian)設備(bei)(bei)的(de)電(dian)(dian)(dian)閘箱應采納隱瞞、防潮辦(ban)法(fa),電(dian)(dian)(dian)線做到絕緣杰出,避免漏(lou)觸(chu)電(dian)(dian)(dian)事端發生。混凝(ning)土出機溫度不宜低于10℃,其(qi)運(yun)送設備(bei)(bei)應有保溫辦(ban)法(fa),且應更大(da)極限地縮(suo)短運(yun)送時刻(ke),入模溫度應不低于5℃。
搭設(she)(she)鋼(gang)波(bo)紋(wen)管(guan)(guan)施工(gong)支(zhi)架(jia)要(yao)隨時查看支(zhi)架(jia)的安穩(wen)性,而且加固。支(zhi)架(jia)完結后(hou),要(yao)查看、驗算(suan)支(zhi)架(jia)的承(cheng)力,滿意承(cheng)載要(yao)求(qiu)后(hou)再(zai)進行上(shang)部施工(gong)。雨期鋼(gang)波(bo)紋(wen)管(guan)(guan)施工(gong)辦法(fa):開工(gong)前各種機具(ju)設(she)(she)備有(you)必要(yao)進行檢(jian)修、試運行,使之(zhi)處于無缺、正常作業狀態,并定(ding)時檢(jian)修保(bao)養。
冬期拌和混凝土(tu)(tu)時應嚴格(ge)操控混凝土(tu)(tu)的合作比(bi)(bi)和坍(tan)落度,集(ji)料(liao)不得帶有冰(bing)雪和凍住團塊(kuai)。投(tou)料(liao)前,應先選用熱水(shui)或蒸汽沖(chong)刷拌和機(ji)拌盤或鼓筒。加(jia)料(liao)順序應先為(wei)集(ji)料(liao)、水(shui),稍加(jia)拌和后再加(jia)入(ru)水(shui)泥,且拌和時刻應比(bi)(bi)常溫(wen)時延長(chang)50%。(hanihanbj.com)
分享此文章: |
版權(quan)所有:衡(heng)水浩威(wei)新(xin)材料(liao)有限公司(si) ICP備案(an)/許可證號(hao): 技術支持: