發明(ming)zhuanli 國家產權(quan)局(ju) 國家級 2017年
本發明涉及一種高(gao)(gao)寒區大(da)跨度空(kong)腹式拱(gong)(gong)(gong)橋超寬(kuan)主(zhu)拱(gong)(gong)(gong)圈(quan)(quan)(quan)(quan)施(shi)工(gong)方(fang)(fang)法(fa)，主(zhu)要包括施(shi)工(gong)場(chang)地(di)平整(zheng)、插打(da)可(ke)回收鋼(gang)管短樁、澆筑(zhu)混凝(ning)土(tu)基礎梁、拼裝(zhuang)(zhuang)貝(bei)雷片形(xing)成貝(bei)雷梁柱(zhu)、搭設(she)碗扣式鋼(gang)管架(jia)、鋪(pu)設(she)主(zhu)拱(gong)(gong)(gong)圈(quan)(quan)(quan)(quan)底模(mo)板(ban)(ban)、綁扎主(zhu)拱(gong)(gong)(gong)圈(quan)(quan)(quan)(quan)鋼(gang)筋骨架(jia)、安裝(zhuang)(zhuang)調溫管網系統、分段(duan)澆筑(zhu)主(zhu)拱(gong)(gong)(gong)圈(quan)(quan)(quan)(quan)混凝(ning)土(tu)并加(jia)熱養護、間隔(ge)槽后澆帶混凝(ning)土(tu)澆筑(zhu)、調溫管網系統注(zhu)漿、模(mo)板(ban)(ban)支撐體系落架(jia)拆除的步驟(zou)。本發明涉及的大(da)跨度空(kong)腹式拱(gong)(gong)(gong)橋超寬(kuan)主(zhu)拱(gong)(gong)(gong)圈(quan)(quan)(quan)(quan)的模(mo)板(ban)(ban)支撐體系及高(gao)(gao)寒區混凝(ning)土(tu)澆筑(zhu)養護方(fang)(fang)法(fa)能確保主(zhu)拱(gong)(gong)(gong)圈(quan)(quan)(quan)(quan)的混凝(ning)土(tu)澆筑(zhu)質量，加(jia)快施(shi)工(gong)速(su)度，降低工(gong)程費(fei)用，取得較好的技(ji)術經(jing)濟效(xiao)益(yi)。
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