FLOOR SLAB STRUCTURE AND BLOCK FOR USE THEREIN

FLOOR SLAB STRUCTURE AND BLOCK FOR USE THEREIN

PROBLEM TO BE SOLVED: To enhance the floor impact noise blocking performance of a so-called void slab. SOLUTION: The void slab includes a concrete layer 14 made of cast-in-place concrete and a plurality of blocks 16 each having a top face and buried in the concrete layer, with the cover thickness of...

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Hauptverfasser: SAKAO KEIJI, UEI TAKASHI, OWAKI MASANAO, KOGAKI SHUICHI
Format: Patent
Sprache:eng
Schlagworte:
BUILDING
CEILINGS
FIXED CONSTRUCTIONS
FLOORS
GENERAL BUILDING CONSTRUCTIONS
INSULATION OR OTHER PROTECTION OF BUILDINGS
ROOFS
WALLS, e.g. PARTITIONS
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creator SAKAO KEIJI
UEI TAKASHI
OWAKI MASANAO
KOGAKI SHUICHI
description PROBLEM TO BE SOLVED: To enhance the floor impact noise blocking performance of a so-called void slab. SOLUTION: The void slab includes a concrete layer 14 made of cast-in-place concrete and a plurality of blocks 16 each having a top face and buried in the concrete layer, with the cover thickness of the slab from the top face of each block to the upper surface of the concrete layer being 65 mm or more. The top face 26 of each block is composed of projecting and recessed parts 34, 36 without a flat surface. A difference (A) in height between the projecting and recessed parts and the horizontal length B of the recessed part or the projecting part are each not less than one-tenth of the wavelength of a bending wave in a certain frequency range which propagates through the cover thickness portion of the concrete layer. COPYRIGHT: (C)2004,JPO
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subjects BUILDING
CEILINGS
FIXED CONSTRUCTIONS
FLOORS
GENERAL BUILDING CONSTRUCTIONS
INSULATION OR OTHER PROTECTION OF BUILDINGS
ROOFS
WALLS, e.g. PARTITIONS
title FLOOR SLAB STRUCTURE AND BLOCK FOR USE THEREIN
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