| 摘要 |
PROBLEM TO BE SOLVED: To provide a floor slab for a steel bridge capable of reducing weight, by thinning the thickness, by further enhancing strength of concrete itself used for the floor slab. SOLUTION: The concrete of the floor slab formed by placing the concrete is formed as the floor slab 14 by using high strength fiber reinforced concrete mixed with silica fume, an expansion material and steel fiber as a main constituting material. COPYRIGHT: (C)2009,JPO&INPIT
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