公路墩(dun)(dun)(dun)為(wei)空心薄(bo)壁墩(dun)(dun)(dun):墩(dun)(dun)(dun)身混凝土施工(gong)可采用(yong)滑模或翻模施工(gong),施工(gong)注意(yi)新老混凝土結合面的清洗和鑿毛,
為使全橋顏色一(yi)致,宜選用(yong)同(tong)一(yi)種水泥.在進行(xing)墩(dun)身(shen)施(shi)工時應注意安裝主梁零號塊(kuai)托架(jia)的預(yu)埋(mai)構件.主墩(dun)身(shen)第一(yi)
次澆注(zhu)時應至少澆筑2米高(gao)度(du)的(de)空心(xin)墩(dun)柱(zhu),即主墩(dun)第(di)一節(jie)高(gao)度(du)至少應達到4.5米,以減少剛(gang)度(du)突變(bian)帶(dai)來的(de)混凝土
收(shou)縮裂縫.墩(dun)身(shen)(shen)垂直(zhi)度允許偏差(cha)不得大于(yu)1/1000,且墩(dun)身(shen)(shen)各斷(duan)(duan)面中心位(wei)置(zhi)(zhi)與設(she)計位(wei)置(zhi)(zhi)偏差(cha)不得大于(yu)2厘(li)米.墩(dun)身(shen)(shen)表面需(xu)安裝貼面冷軋帶肋鋼(gang)筋焊網,網片之間的(de)接長(chang)采(cai)用插接,插接長(chang)杜(du)不小于(yu)20厘(li)米.墩(dun)身(shen)(shen)和(he)承臺(tai)之間的(de)混凝土澆注齡期差(cha)不得大于(yu)20天.墩(dun)身(shen)(shen)均未設(she)置(zhi)(zhi)爬梯(ti)和(he)通風孔,施(shi)工(gong)單位(wei)可根據需(xu)要進行設(she)置(zhi)(zhi),但不可截斷(duan)(duan)原有(you)結(jie)構鋼(gang)筋.
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本廠(chang)鑄(zhu)鐵(tie)護欄底座公路墩(dun)有大量現貨(huo)，異型規格可(ke)(ke)按客(ke)戶(hu)要(yao)求訂做，可(ke)(ke)任意(yi)調換字體、字樣、字號，長寬高重量可(ke)(ke)按客(ke)戶(hu)要(yao)求訂做。
現貨60*60口(kou)(kou)，80*80口(kou)(kou)，100*100口(kou)(kou)，120*120口(kou)(kou)，140*140口(kou)(kou)，160*160口(kou)(kou)，50*100口(kou)(kou)，85*135口(kou)(kou)，異(yi)型口(kou)(kou)徑可按(an)客戶要(yao)求訂(ding)做(zuo)。
現貨300*400*150*80，250*330*150*80，250*310*130*80，300*400*150*100，300*260*130*80，300*350*150*80，250*310*60，300*400*150*100，300*500*170*120*120，等。真誠歡迎新老客戶朋友選(xuan)擇(ze)合適(shi)您的(de)產(chan)品(pin)。
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