An earth block with a compressive strength higher than 45MPa!

Abstract : This paper presents the results of a compressive strength test carried out on an extruded earth block of dimensions 40.7x13.6x4.8 [cm 3 ]. The failure of the block was not detected by the press used, which reached its highest load (2500 kN). This would correspond to a compressive strength of the block greater than 45 MPa! This value is obviously an aberration and the discussion developed in the paper, based on results from the literature, aims to explain this result and propose solutions for measuring the compressive strength of such products. Highlights (3 to 5 bullet points (maximum 85 characters, including spaces, per bullet point) The compressive strength measured for an earth block was higher than 45 MPa. The direct measurement of the compressive strength on adobe plates is aberrant. Compressive strength tests on adobe plates are comparable to oedometric tests. A 3 point bending test could be a solution for measuring the UCS of adobe plates.
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Submitted on : Wednesday, September 19, 2018 - 12:33:22 PM
Last modification on : Friday, October 25, 2019 - 6:16:35 PM

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Jean-Emmanuel Aubert, A. Fabbri, J.C. Morel, P. Maillard. An earth block with a compressive strength higher than 45MPa!. Construction and Building Materials, Elsevier, 2013, 47, pp.366 - 369. ⟨10.1016/j.conbuildmat.2013.05.068⟩. ⟨hal-01877125⟩

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