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進行公路護欄網安裝前要注意些什么?

2022/11/10 15:38:01  點擊:

停止公路護(hu)欄(lan)網(wang)(wang)(wang)安(an)(an)裝前,施工(gong)(gong)(gong)(gong)人員首(shou)先(xian)(xian)要(yao)理解施工(gong)(gong)(gong)(gong)圖(tu)(tu)紙,以(yi)及路基(ji)(ji)中(zhong)(zhong)管道(dao)的(de)(de)精確方位(wei),防止施工(gong)(gong)(gong)(gong)時(shi)(shi)對公開設(she)備(bei)形成毀壞(huai)。施工(gong)(gong)(gong)(gong)的(de)(de)時(shi)(shi)分首(shou)先(xian)(xian)要(yao)察看地(di)勢(shi)和地(di)貌(mao),根據(ju)圖(tu)(tu)紙請(qing)求定(ding)出立(li)柱(zhu)(zhu)(zhu)中(zhong)(zhong)心線(xian),先(xian)(xian)埋(mai)兩頭的(de)(de)立(li)柱(zhu)(zhu)(zhu),然(ran)后拉(la)(la)線(xian)埋(mai)設(she)中(zhong)(zhong)間(jian)立(li)柱(zhu)(zhu)(zhu)。從縱(zong)(zong)向看,立(li)柱(zhu)(zhu)(zhu)的(de)(de)軸線(xian)應(ying)(ying)在(zai)一條(tiao)直(zhi)線(xian)上(shang),不(bu)得呈現良莠不(bu)齊的(de)(de)現象(xiang);從高度(du)看,柱(zhu)(zhu)(zhu)頂應(ying)(ying)平(ping)(ping)順,不(bu)得呈現凹凸不(bu)平(ping)(ping)的(de)(de)狀況。 根據(ju)同意(yi)的(de)(de)施工(gong)(gong)(gong)(gong)組織設(she)計依照圖(tu)(tu)紙請(qing)求把立(li)柱(zhu)(zhu)(zhu)、支撐(cheng)埋(mai)入混凝(ning)土基(ji)(ji)礎中(zhong)(zhong)時(shi)(shi),施工(gong)(gong)(gong)(gong)單(dan)位(wei)應(ying)(ying)設(she)置(zhi)必要(yao)的(de)(de)暫(zan)時(shi)(shi)拉(la)(la)索或(huo)支撐(cheng),以(yi)把立(li)柱(zhu)(zhu)(zhu)固(gu)定(ding)于(yu)恰當方位(wei),直(zhi)到混凝(ning)土硬化為止。混凝(ning)土養生(sheng)7D期(qi)間(jian),不(bu)應(ying)(ying)在(zai)立(li)柱(zhu)(zhu)(zhu)、拉(la)(la)索和支撐(cheng)上(shang)安(an)(an)裝或(huo)拉(la)(la)緊任何資料或(huo)部件。一切(qie)(qie)立(li)柱(zhu)(zhu)(zhu)均(jun)應(ying)(ying)依照圖(tu)(tu)紙請(qing)求和線(xian)形筆(bi)直(zhi)埋(mai)設(she),護(hu)欄(lan)網(wang)(wang)(wang)安(an)(an)裝完畢,立(li)柱(zhu)(zhu)(zhu)基(ji)(ji)礎均(jun)需停止后壓實處置(zhi)。護(hu)欄(lan)網(wang)(wang)(wang)應(ying)(ying)順著地(di)勢(shi)設(she)置(zhi)。 必要(yao)時(shi)(shi),需停止土工(gong)(gong)(gong)(gong)整(zheng)平(ping)(ping),以(yi)獲得劃一的(de)(de)外(wai)觀。在(zai)低洼地(di)域,當空中(zhong)(zhong)縱(zong)(zong)剖面產生(sheng)突變,無(wu)法堅持規(gui)則(ze)的(de)(de)離地(di)凈(jing)高時(shi)(shi),可運用較長的(de)(de)立(li)柱(zhu)(zhu)(zhu),然(ran)后拉(la)(la)上(shang)多股刺鐵(tie)(tie)絲(si)。刺鐵(tie)(tie)絲(si)之(zhi)(zhi)間(jian)的(de)(de)筆(bi)直(zhi)凈(jing)空等于(yu)或(huo)小(xiao)于(yu)150MM.在(zai)開挖或(huo)鉆孔之(zhi)(zhi)后,一切(qie)(qie)立(li)柱(zhu)(zhu)(zhu)應(ying)(ying)按(an)(an)同意(yi)的(de)(de)辦法埋(mai)設(she)。假(jia)如在(zai)橋上(shang)安(an)(an)裝護(hu)欄(lan)網(wang)(wang)(wang),應(ying)(ying)按(an)(an)圖(tu)(tu)紙所示安(an)(an)設(she),結實地(di)安(an)(an)裝在(zai)立(li)柱(zhu)(zhu)(zhu)或(huo)支撐(cheng)上(shang);金屬網(wang)(wang)(wang)應(ying)(ying)擴展拉(la)(la)緊,整(zheng)個構(gou)造不(bu)得扭曲,請(qing)求平(ping)(ping)安(an)(an)牢靠。


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