Fire Resistance of Structural Wooden Walls Covered by Gypsum and Diatomite Board

The fire resistance of structural wooden walls covered with fire-resisting boards was investigated. A 49-mm-thick gypsum board (No. 1 and No. 2), a 24-mm-thick diatomite (No. 3), and a combination of gypsum and diatomite board (No. 4 and No. 5) were theoretically designed for 2-h fire resistance. As...

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Main Authors: Sung-Jun Pang, Kyung-Sun Ahn, Jae-Won Oh, Han Shik Lee, Seog Goo Kang, Jung-Kwon Oh
Format: Article
Language:English
Published: North Carolina State University 2022-12-01
Series:BioResources
Subjects:
Online Access:https://ojs.cnr.ncsu.edu/index.php/BRJ/article/view/22021
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author Sung-Jun Pang
Kyung-Sun Ahn
Jae-Won Oh
Han Shik Lee
Seog Goo Kang
Jung-Kwon Oh
author_facet Sung-Jun Pang
Kyung-Sun Ahn
Jae-Won Oh
Han Shik Lee
Seog Goo Kang
Jung-Kwon Oh
author_sort Sung-Jun Pang
collection DOAJ
description The fire resistance of structural wooden walls covered with fire-resisting boards was investigated. A 49-mm-thick gypsum board (No. 1 and No. 2), a 24-mm-thick diatomite (No. 3), and a combination of gypsum and diatomite board (No. 4 and No. 5) were theoretically designed for 2-h fire resistance. As a result, when the gypsum board was fixed to the wood studs with nails (No. 1), there was no damage after 2 h, as predicted. When diatomite boards were used on the surface to face the fire (No. 3 and No. 4), the diatomite boards were destroyed after approximately 50 min because of the cracks of the diatomite board. However, when the diatomite board (6 mm) was placed inside the gypsum board (30 mm), the specimen (No. 5) showed a fire resistance of more than 2 h. Therefore, it is possible to reduce the thickness of the gypsum board using the diatomite board by avoiding placement of the diatomite board in direct contact with heat.
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spelling doaj.art-daca18e02e43485082926128e866bf222023-06-26T18:43:50ZengNorth Carolina State UniversityBioResources1930-21262022-12-01181991100723Fire Resistance of Structural Wooden Walls Covered by Gypsum and Diatomite BoardSung-Jun Pang0https://orcid.org/0000-0003-3670-3421Kyung-Sun Ahn1Jae-Won Oh2Han Shik Lee3Seog Goo Kang4Jung-Kwon Oh5Seoul National UniversitySeoul National UniversitySeoul National UniversityKyung Min Industrial Co., Ltd., Incheon (Gajwa-dong)Chungnam National University Seoul National UniversityThe fire resistance of structural wooden walls covered with fire-resisting boards was investigated. A 49-mm-thick gypsum board (No. 1 and No. 2), a 24-mm-thick diatomite (No. 3), and a combination of gypsum and diatomite board (No. 4 and No. 5) were theoretically designed for 2-h fire resistance. As a result, when the gypsum board was fixed to the wood studs with nails (No. 1), there was no damage after 2 h, as predicted. When diatomite boards were used on the surface to face the fire (No. 3 and No. 4), the diatomite boards were destroyed after approximately 50 min because of the cracks of the diatomite board. However, when the diatomite board (6 mm) was placed inside the gypsum board (30 mm), the specimen (No. 5) showed a fire resistance of more than 2 h. Therefore, it is possible to reduce the thickness of the gypsum board using the diatomite board by avoiding placement of the diatomite board in direct contact with heat.https://ojs.cnr.ncsu.edu/index.php/BRJ/article/view/22021fire resistancefireproofgypsum boarddiatomite boardstructural wooden wall
spellingShingle Sung-Jun Pang
Kyung-Sun Ahn
Jae-Won Oh
Han Shik Lee
Seog Goo Kang
Jung-Kwon Oh
Fire Resistance of Structural Wooden Walls Covered by Gypsum and Diatomite Board
BioResources
fire resistance
fireproof
gypsum board
diatomite board
structural wooden wall
title Fire Resistance of Structural Wooden Walls Covered by Gypsum and Diatomite Board
title_full Fire Resistance of Structural Wooden Walls Covered by Gypsum and Diatomite Board
title_fullStr Fire Resistance of Structural Wooden Walls Covered by Gypsum and Diatomite Board
title_full_unstemmed Fire Resistance of Structural Wooden Walls Covered by Gypsum and Diatomite Board
title_short Fire Resistance of Structural Wooden Walls Covered by Gypsum and Diatomite Board
title_sort fire resistance of structural wooden walls covered by gypsum and diatomite board
topic fire resistance
fireproof
gypsum board
diatomite board
structural wooden wall
url https://ojs.cnr.ncsu.edu/index.php/BRJ/article/view/22021
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