PROBLEM TO BE SOLVED: To solve the problems on a composite steel floor slab composed of a steel floor panel and a concrete layer that the concrete layer is low in adhesive strength and tensile strength, subject to crack, hard to increase durability and waterproof/rust-preventive performance and hard to evaluate as a synthesized composite steel floor slab.;SOLUTION: The rubber latex mortar composite steel floor slab 2 comprises a rubber latex mortar layer 7 (having a thickness of 20-30mm, e.g.) and an asphalt layer 8 (having a thickness of 50mm, e.g.) provided on a deck plate 12 of a roadway part, and a rubber latex mortar layer 9 (having a thickness 5-10mm, e.g.), a uniform concrete layer 10 (having a thickness of 150-200mm, e.g.) and an asphalt layer 11 (having a thickness of 30mm, e.g.) provided on the deck plate of a walkway part.;COPYRIGHT: (C)2006,JPO&NCIPI
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