Rammed earth under horizontal loadings: Proposition of limit states

Autor: Ranime El Nabouch, Quoc-Bao Bui, Pascal Perrotin, Olivier Plé
Přispěvatelé: Laboratoire Optimisation de la Conception et Ingénierie de l'Environnement (LOCIE), Université Savoie Mont Blanc (USMB [Université de Savoie] [Université de Chambéry])-Centre National de la Recherche Scientifique (CNRS), Laboratoire Interdisciplinaire de Recherche Impliquant la Géologie et la Mécanique (LIRIGM), Université Joseph Fourier - Grenoble 1 (UJF), Laboratoire de Mécanique et Technologie (LMT), École normale supérieure - Cachan (ENS Cachan)-Centre National de la Recherche Scientifique (CNRS)
Jazyk: angličtina
Rok vydání: 2019
Předmět:
Zdroj: Construction and Building Materials
Construction and Building Materials, Elsevier, 2019, 220, pp.238-244. ⟨10.1016/j.conbuildmat.2019.06.020⟩
ISSN: 0950-0618
DOI: 10.1016/j.conbuildmat.2019.06.020⟩
Popis: Rammed earth (RE) is a construction material manufactured from the soil. This material attracts the attention of numerous scientific investigations during the past decade due to its sustainable properties. The performance of RE buildings under horizontal loadings remains an important topic to be investigated. This paper presents an experimental study which identifies the limit states for the in-plane seismic assessment of RE walls. Four RE walls were tested under bi-axial loading: first a vertical force was applied on the top of the wall to simulate the dead and live loads in a building; then a horizontal force pushed at the top the walls to simulate a seismic action. The cracking evolution was recorded by using the DIC (digital image correlation) technique in which the displacement fields were determined by comparing the images taken after and before the loading. Based on the damage evolution observed during the tests and on a similar approach of unreinforced masonries, the present paper proposed four limit states for RE walls corresponding to the inter-storey drift δ: no damage (before LS1) and slight damages (before LS2): δ
Databáze: OpenAIRE