Segmental bridges when properly designed will prove to be practically free of maintenance for many years . 分段橋梁經(jīng)過適當(dāng)設(shè)計可以多年不需要養(yǎng)護(hù)。
Erection of segmental bridge deck by launching gantry no . 1 運(yùn)用吊梁機(jī)興建中的高架橋
Erection of segmental bridge at viaduct c6 span 1 正在進(jìn)行安裝工作臺已完成的高架橋
Erection of segmental bridge deck by launching gantry no . 2 運(yùn)用吊梁機(jī)興建中的高架橋
Erection of segmental bridge decks by launching gantry no . 1 運(yùn)用吊梁機(jī)興建中的高架橋
Erection of segmental bridge decks by launching gantry no . 2 運(yùn)用吊梁機(jī)興建中的高架橋
Erection of segmental bridge decks by ground support method cpr - 2 運(yùn)用施工架興建中的高架橋
To join with the precast segmental bridges 原地施工橋與預(yù)制橋面接合
General view to concrete segmental bridge 混凝土預(yù)制構(gòu)件橋之概況
Erection of segmental bridge decks by ground support method bridge a2 高架橋興建中的情況位于?亨村路的橋臺工程