However, considering the actual situation of the construction and placement of temporary bridge on the site, we found the plan ramification using temporary bridges have some irrational as follows:
+ To ensure construction of the slab Tunnel work from steel to concrete pour, at least not have to need a certain static workers (minimum overhead clearance which must 1.5m), so that a high peak when the temporary bridge surface for vehicles must be higher than the existing pavement is 2m. Thus claw way to connect two very long bridge new provisional warrant for driving vertical slope (25m-35m from).
đang được dịch, vui lòng đợi..