Simulating Study on Mechanical Properties of Rock Wool Board for Thermal Insulation on External Walls

Simulating Study on Mechanical Properties of Rock Wool Board for Thermal Insulation on External Walls

Rock wool board (RWB) is widely used in construction of exterior insulation worldwide. Fiber diameter, solid volume fraction (SVF), and contact degree among the fibers significantly influence the RWB physical properties. Herein, the effects of these factors on the mechanical properties of RWB were i...

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Main Authors: Xiaoguang Li, Jinjin Liu, Xin Fan, Jinyi Qin, Rui Zhang, Ren Cao, Panqi Wang, Xiaoliang Huo
Format: Article
Language:English
Published: Hindawi Limited 2020-01-01
Series:Advances in Materials Science and Engineering
Online Access:http://dx.doi.org/10.1155/2020/4028941
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spelling doaj-a27d66779c8640eda25b18e048b8d0a62020-11-25T02:39:51ZengHindawi LimitedAdvances in Materials Science and Engineering1687-84341687-84422020-01-01202010.1155/2020/40289414028941Simulating Study on Mechanical Properties of Rock Wool Board for Thermal Insulation on External WallsXiaoguang Li0Jinjin Liu1Xin Fan2Jinyi Qin3Rui Zhang4Ren Cao5Panqi Wang6Xiaoliang Huo7School of Civil Engineering, Chang’an University, Xi’an 710061, ChinaSchool of Civil Engineering, Chang’an University, Xi’an 710061, ChinaSchool of Civil Engineering, Chang’an University, Xi’an 710061, ChinaSchool of Civil Engineering, Chang’an University, Xi’an 710061, ChinaSchool of Civil Engineering, Chang’an University, Xi’an 710061, ChinaSchool of Civil Engineering, Chang’an University, Xi’an 710061, ChinaSchool of Civil Engineering, Chang’an University, Xi’an 710061, ChinaSchool of Civil Engineering, Chang’an University, Xi’an 710061, ChinaRock wool board (RWB) is widely used in construction of exterior insulation worldwide. Fiber diameter, solid volume fraction (SVF), and contact degree among the fibers significantly influence the RWB physical properties. Herein, the effects of these factors on the mechanical properties of RWB were investigated using the GeoDict software. First, the fiberization process resulted in a finer fiber diameter, and the SVF of RWB increased with decreasing pore sizes. In addition, both the fiber diameter and SVF significantly influenced the RWB shear strength. Furthermore, in compliance with the Chinese standards of compression, tensile, and shear strength, the SVF of RWB with a 10.5 μm fiber diameter did not exceed 4.72%, 4.04%, and 5.4%, respectively. The novel method proposed herein can be used for optimizing the RWB manufacturing process.http://dx.doi.org/10.1155/2020/4028941
collection DOAJ
language English
format Article
sources DOAJ
author Xiaoguang Li
Jinjin Liu
Xin Fan
Jinyi Qin
Rui Zhang
Ren Cao
Panqi Wang
Xiaoliang Huo
spellingShingle Xiaoguang Li
Jinjin Liu
Xin Fan
Jinyi Qin
Rui Zhang
Ren Cao
Panqi Wang
Xiaoliang Huo
Simulating Study on Mechanical Properties of Rock Wool Board for Thermal Insulation on External Walls
Advances in Materials Science and Engineering
author_facet Xiaoguang Li
Jinjin Liu
Xin Fan
Jinyi Qin
Rui Zhang
Ren Cao
Panqi Wang
Xiaoliang Huo
author_sort Xiaoguang Li
title Simulating Study on Mechanical Properties of Rock Wool Board for Thermal Insulation on External Walls
title_short Simulating Study on Mechanical Properties of Rock Wool Board for Thermal Insulation on External Walls
title_full Simulating Study on Mechanical Properties of Rock Wool Board for Thermal Insulation on External Walls
title_fullStr Simulating Study on Mechanical Properties of Rock Wool Board for Thermal Insulation on External Walls
title_full_unstemmed Simulating Study on Mechanical Properties of Rock Wool Board for Thermal Insulation on External Walls
title_sort simulating study on mechanical properties of rock wool board for thermal insulation on external walls
publisher Hindawi Limited
series Advances in Materials Science and Engineering
issn 1687-8434
1687-8442
publishDate 2020-01-01
description Rock wool board (RWB) is widely used in construction of exterior insulation worldwide. Fiber diameter, solid volume fraction (SVF), and contact degree among the fibers significantly influence the RWB physical properties. Herein, the effects of these factors on the mechanical properties of RWB were investigated using the GeoDict software. First, the fiberization process resulted in a finer fiber diameter, and the SVF of RWB increased with decreasing pore sizes. In addition, both the fiber diameter and SVF significantly influenced the RWB shear strength. Furthermore, in compliance with the Chinese standards of compression, tensile, and shear strength, the SVF of RWB with a 10.5 μm fiber diameter did not exceed 4.72%, 4.04%, and 5.4%, respectively. The novel method proposed herein can be used for optimizing the RWB manufacturing process.
url http://dx.doi.org/10.1155/2020/4028941
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