Refined compression field theory for plastered straw bale walls

Written by esba

Results of tests of plastered straw bale wall assemblies under in-plane shear and axial load are used together with proposed refinements to compression field theories for reinforced concrete members to predict ultimate shear strengths of plastered straw bale walls. Two parameters of the so-called ‘‘refined compression-field theory’’ are calibrated for use with straw bale walls. Experimental results are compared to theoretical expectations determined according to existing compression field theories and the calibrated, refined compression-field theory. Shear strengths are estimated for a variety of plastered straw bale wall configurations that have been recommended for inclusion in building codes, based on the calibrated refined compression-field theory.

Authors: Palermo, M.; Gil-Martin, L.M.; Hernandez-Montes, E.; Aschheim, M.

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About the author


The European Straw Building Association is an independent European association, devoid of any profit making motive. The object of the Association is to promote and develop the use of straw, as a sustainable way of building in all the senses of the term “sustainable”: renewable, ecological, healthy, energy and climate efficient, social and economic.
The Association is a federation composed of organisations and people particularly concerned with the use of straw in buildings.