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Interaction analysis and optimal design of composite action of plastered straw bale

Interaction analysis and optimal design of composite action of plastered straw bale Purpose – The purpose of this paper is to assess the effects of cement‐ and earth‐plastered straw bale walls against the appropriate vertical loads. Design/methodology/approach – The effects of contact between two common types of plasters and the stacked straw bale by the optimal design analysis have been assessed in this work with the use of finite element method. Findings – Cement‐ and earth‐plastered straw bale walls have shown adequate resistance against the appropriate vertical loads and showed that the earth‐plaster can bear higher stress than the cement plastered straw bale. There is the implication that the collapse or response of the earth‐straw bale wall will be significantly higher compared to that of cement‐straw bale wall. Practical implications – The stress stability obtained of the analytical walls is adequate after using the best fit variables for the wall height and thickness. Originality/value – The paper shows that the allowable stresses of 70.14 kN/m 2 for cement plastered straw bale wall and 73.14 kN/m 2 for earth‐plastered straw bale wall are higher than the calculated stress values using SAP2000 of 18.836 and 64.2 kN/m 2 for cement plastered straw bale wall, respectively. http://www.deepdyve.com/assets/images/DeepDyve-Logo-lg.png Multidiscipline Modeling in Materials and Structures Emerald Publishing

Interaction analysis and optimal design of composite action of plastered straw bale

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Publisher
Emerald Publishing
Copyright
Copyright © 2011 Emerald Group Publishing Limited. All rights reserved.
ISSN
1573-6105
DOI
10.1108/15736101111157091
Publisher site
See Article on Publisher Site

Abstract

Purpose – The purpose of this paper is to assess the effects of cement‐ and earth‐plastered straw bale walls against the appropriate vertical loads. Design/methodology/approach – The effects of contact between two common types of plasters and the stacked straw bale by the optimal design analysis have been assessed in this work with the use of finite element method. Findings – Cement‐ and earth‐plastered straw bale walls have shown adequate resistance against the appropriate vertical loads and showed that the earth‐plaster can bear higher stress than the cement plastered straw bale. There is the implication that the collapse or response of the earth‐straw bale wall will be significantly higher compared to that of cement‐straw bale wall. Practical implications – The stress stability obtained of the analytical walls is adequate after using the best fit variables for the wall height and thickness. Originality/value – The paper shows that the allowable stresses of 70.14 kN/m 2 for cement plastered straw bale wall and 73.14 kN/m 2 for earth‐plastered straw bale wall are higher than the calculated stress values using SAP2000 of 18.836 and 64.2 kN/m 2 for cement plastered straw bale wall, respectively.

Journal

Multidiscipline Modeling in Materials and StructuresEmerald Publishing

Published: Aug 9, 2011

Keywords: Plaster; Earth; Cements; Straw bale; Finite element method; Composite materials; Stress; Construction materials; Walls

References