11月22日,羅融1標加(jia)昌大橋第一跨箱梁順利(li)架設完成。
加昌大(da)橋全長152m,橋臺(tai)(tai)采用(yong)(yong)擴大基礎,橋墩(dun)采用(yong)(yong)樁(zhuang)基;下構橋臺(tai)(tai)采用(yong)(yong)U臺(tai)(tai),1號墩(dun)采用(yong)(yong)柱(zhu)式(shi)墩(dun),其余(yu)橋墩(dun)采用(yong)(yong)空心(xin)墩(dun),空心(xin)墩(dun)2#,3#墩(dun)高達43m;上構則采用(yong)(yong)16m裝配式(shi)后張預應力混(hun)凝土簡支箱梁+3×40m裝配式后張預應力混(hun)凝土T梁(liang)。施工(gong)時采用(yong)臨時支(zhi)座,要(yao)進(jin)行(xing)體系轉(zhuan)換,施工(gong)工(gong)藝比較復雜。