Highway bridge at Boulogne-sur-Mer; prestressed concrete structure is 415 m long 12 m wide, 300 m of its length being over land, and 115 m over river; overland section consists of independent 26.4 m spans, section over river is continuous three-span box girder; six lateral access ramps connect with adjacent roads; details of technical features are given, laying stress on particularities due to nature of subsoil and presence of railway structures in service.
Le viaduc routier de Boulogne-sur-mer
Le viaduc routier de Boulogne-sur-mer
Construction ; 23 , n 1
1968
Article (Journal)
French
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