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The bridge, constructed in 1946, is the earliest 'post-tensioned' prestressed concrete railway bridge in the United Kingdom, with only some examples in Switzerland being earlier. [ 1 ] [ 2 ] It is bridge number 54 on the Kirkby branch line and is at a line distance of 18 miles 1,032 yards (29.91 km).
The bridge deck was supported by thirteen concrete girders, each spanning 160 feet (49 m). These girders were prestressed by post-tensioning four wire cables embedded in the concrete. Although this type of construction had been used in Europe for quite some time, the Walnut Lane Memorial Bridge was innovative in the United States and led to the ...
Single box girder bridge , flyover above eastern approach of the San Francisco–Oakland Bay Bridge. A box girder bridge, or box section bridge, is a bridge in which the main beams comprise girders in the shape of a hollow box. The box girder normally comprises prestressed concrete, structural steel, or a composite of steel and reinforced concrete.
Concrete is the most popular structural material for bridges, and prestressed concrete is frequently adopted. [ 36 ] [ 37 ] When investigated in the 1940s for use on heavy-duty bridges, the advantages of this type of bridge over more traditional designs was that it is quicker to install, more economical and longer-lasting with the bridge being ...
The bridge is one of the longest span prestressed concrete arch bridges in Asia. [5] The Indian Railways who built this bridge have stated that "It is perhaps for the first time anywhere in the world that a bowstring arch girder using concrete has been constructed for such a long span of 97.55 metres (320.0 ft), and that too for the Railway ...
A segmental bridge is a bridge built in short sections (called segments), i.e., one piece at a time, as opposed to traditional methods that build a bridge in very large sections. The bridge is made of concrete that is either cast-in-place (constructed fully in its final location) or precast concrete (built at another location and then ...
Download as PDF; Printable version; In other projects Wikidata item; ... Prestressed concrete Twin bridges 75+2x110+75: A2 motorway European route E61 Peračica. 2007
Naturally precompressed exterior wall of Colosseum, Rome Cable-stayed prestressed concrete bridge over Yangtze river. In structural engineering, a prestressed structure is a load-bearing structure whose overall integrity, stability and security depend, primarily, on prestressing: the intentional creation of permanent stresses in the structure for the purpose of improving its performance under ...
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