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廣元(yuan)熱鍍鋅橋梁護(hu)欄(lan)待(dai)鋼筋綁(bang)扎(zha)、焊接完(wan)(wan)畢(bi)驗(yan)收(shou)(shou)合格(ge)(ge)后(hou)，再(zai)進(jin)(jin)行(xing)(xing)(xing)(xing)模(mo)板(ban)(ban)支(zhi)設(she)。模(mo)板(ban)(ban)采用(yong)定(ding)型(xing)(xing)鋼模(mo)，由(you)于(yu)所處標段平曲線緩和，每塊長度(du)2.5m。采用(yong)定(ding)型(xing)(xing)懸(xuan)(xuan)桿(gan)進(jin)(jin)行(xing)(xing)(xing)(xing)模(mo)板(ban)(ban)支(zhi)撐加(jia)(jia)固(gu)(gu)(gu)。定(ding)型(xing)(xing)懸(xuan)(xuan)桿(gan)由(you)絲桿(gan)固(gu)(gu)(gu)定(ding)于(yu)箱梁翼緣板(ban)(ban)上(shang)(shang)(shang)。內(nei)側(ce)模(mo)板(ban)(ban)由(you)花籃螺(luo)栓進(jin)(jin)行(xing)(xing)(xing)(xing)加(jia)(jia)固(gu)(gu)(gu)。模(mo)板(ban)(ban)上(shang)(shang)(shang)口由(you)絲桿(gan)對拉(la)加(jia)(jia)固(gu)(gu)(gu)。模(mo)板(ban)(ban)支(zhi)設(she)完(wan)(wan)畢(bi)后(hou)，在(zai)(zai)懸(xuan)(xuan)桿(gan)上(shang)(shang)(shang)搭設(she)1.1米防(fang)護(hu)欄(lan)桿(gan)，下(xia)(xia)面滿(man)鋪腳手板(ban)(ban)，外(wai)側(ce)密封網。廣元(yuan)每跨波形護(hu)欄(lan)的(de)地袱(fu)，在(zai)(zai)墩位(wei)處及搭板(ban)(ban)與橋臺背墻間設(she)置1cm的(de)真縫，防(fang)撞護(hu)欄(lan)除在(zai)(zai)墩位(wei)處，每間隔5m設(she)置1cm真縫。縫內(nei)嵌木(mu)板(ban)(ban)，外(wai)圍涂彩色高彈水泥與混(hun)(hun)(hun)凝(ning)(ning)土顏色一致。真縫兩邊采用(yong)焊接鋼筋頭進(jin)(jin)行(xing)(xing)(xing)(xing)加(jia)(jia)固(gu)(gu)(gu)。模(mo)板(ban)(ban)支(zhi)設(she)加(jia)(jia)固(gu)(gu)(gu)完(wan)(wan)畢(bi)后(hou)，在(zai)(zai)模(mo)板(ban)(ban)上(shang)(shang)(shang)口通拉(la)麻線，檢測(ce)模(mo)板(ban)(ban)的(de)順直度(du)；測(ce)量工程師復(fu)測(ce)模(mo)板(ban)(ban)標高；待(dai)檢測(ce)無誤后(hou)，申請監理工程師驗(yan)收(shou)(shou)，驗(yan)收(shou)(shou)合格(ge)(ge)后(hou)方可進(jin)(jin)行(xing)(xing)(xing)(xing)下(xia)(xia)道工序施工。5、混(hun)(hun)(hun)凝(ning)(ning)土澆(jiao)筑(zhu)：在(zai)(zai)鋼筋、模(mo)板(ban)(ban)、預埋件施工完(wan)(wan)畢(bi)，檢查驗(yan)收(shou)(shou)合格(ge)(ge)后(hou)，即可進(jin)(jin)行(xing)(xing)(xing)(xing)防(fang)撞護(hu)欄(lan)混(hun)(hun)(hun)凝(ning)(ning)土澆(jiao)筑(zhu)。混(hun)(hun)(hun)凝(ning)(ning)土采用(yong)分層(ceng)(ceng)(ceng)澆(jiao)筑(zhu)法，每層(ceng)(ceng)(ceng)澆(jiao)筑(zhu)厚(hou)度(du)為(wei)35cm左右。為(wei)保證混(hun)(hun)(hun)凝(ning)(ning)土外(wai)觀質量，混(hun)(hun)(hun)凝(ning)(ning)土坍(tan)落(luo)度(du)宜采用(yong)80～100mm。混(hun)(hun)(hun)凝(ning)(ning)土振(zhen)搗(dao)時(shi)嚴禁碰(peng)撞預埋件。振(zhen)搗(dao)棒插點(dian)要均勻(yun)，移動(dong)間距不(bu)應超過其作(zuo)用(yong)半徑(jing)的(de)1.5倍；振(zhen)搗(dao)采用(yong)Φ50振(zhen)搗(dao)棒，鋼筋間距較密及預埋件、預埋管處，宜采用(yong)Φ30振(zhen)搗(dao)棒；每一次振(zhen)搗(dao)完(wan)(wan)畢(bi)后(hou)應徐徐提出振(zhen)搗(dao)棒。兩層(ceng)(ceng)(ceng)振(zhen)搗(dao)時(shi)應將振(zhen)搗(dao)棒插入下(xia)(xia)層(ceng)(ceng)(ceng)混(hun)(hun)(hun)凝(ning)(ning)土5～10cm，使兩層(ceng)(ceng)(ceng)混(hun)(hun)(hun)凝(ning)(ning)土結合成一整體。混(hun)(hun)(hun)凝(ning)(ning)土振(zhen)搗(dao)時(shi)間控制(zhi)在(zai)(zai)30～40s，一般(ban)以混(hun)(hun)(hun)凝(ning)(ning)土不(bu)再(zai)下(xia)(xia)沉(chen)，表面開始泛漿(jiang)，不(bu)出現氣泡為(wei)度(du)。面層(ceng)(ceng)(ceng)混(hun)(hun)(hun)凝(ning)(ning)土先用(yong)木(mu)抹初步找平，待(dai)初凝(ning)(ning)后(hou)再(zai)用(yong)鐵抹子壓光。