TY - JOUR AU - G. Alhaik AU - M. Ferreira AU - V. Dubois AU - E. Wirquin AU - S. Tilloy AU - E. Monflier AU - G. Aouad PY - 2015/06/22 Y2 - 2024/03/29 TI - Rheological and mechanical behavior of earth materials / starch mixes JF - Academic Journal of Civil Engineering JA - AJCE VL - 33 IS - 2 SE - Regular Issue DO - 10.26168/icbbm2015.56 UR - https://journal.augc.asso.fr/index.php/ajce/article/view/1701 AB - This research work highlights a new approach in the sector of building materials based on bio resources. An experimental investigation was conducted in order to study the rheological and mechanical behavior of earth/starch mixes. In this study, two types of earth materials have been studied: quarry fines and a model material which was kaolinite. For starches, two categories have been used: native and derivative. Starch with a chemical modification has also been studied. The earth/starch composite material specimens were manufactured with a constant ratio of 1%. The water content has been fixed by the flow table test. The rheological and mechanical tests have shown a significant effect of starch on the earth material properties. In the rheological part of the study, two starches have shown an increase of the thixotropic index for quarry fines. From a mechanical point of view, all starches increase mechanical strengths. ER -