WOODEN LOAD-BEARING WALL, METHOD OF CONSTRUCTING WOODEN LOAD-BEARING WALL, METHOD OF INCREASING CO-EFFICIENT OF EFFECTIVE WALL LENGTH OF WOODEN LOAD-BEARING WALL, AND GYPSUM-BASED LOAD-BEARING BOARD
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United States of America
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Issued Date -
Nov 28, 2024
app pub date -
Sep 22, 2022
filing date -
Sep 22, 2022
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Abstract
A wooden load-bearing wall having a structure in which a gypsum-based load-bearing board is fastened to a wooden wall base, is provided. The gypsum-based load-bearing board includes a main material formed from a board-shaped hardened gypsum; and a paper covering at least front and back surfaces of the main material. The gypsum-based load-bearing board has a surface density in a range from 6.5 kg/m2 to 8.9 kg/m2; a lateral nail resistance of 500 N or more; and a compressive strength of 6.5 N/mm2 or more. The main material contains an inorganic fiber and an organic-based strength enhancer. The gypsum-based load-bearing board has a correction value (Pu′) of an ultimate strength (Pu) of 7.7 kN or more, measured by an in-plane shear test.
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