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The adobe is an efficient construction material in several aspects like thermal comfort, sustainable, lower energy cost, simplicity of production and execution. However challenges such as water absorption, capillarity, and compressive strength should be investigated to improve its physical-mechanical properties. "Synthetic Termite Saliva" (STS) is an excellent stabilizer of high cohesive and hydrophobic power. Therefore, the objective of this work was to evaluate the effect of STS incorporation in the adobe by analyzing its physical-mechanical and thermal characteristics. Five treatments were studied: 0 (control); 0.1; 0.2; 0.4 and 0.8% STS by mass. Evaluated as bulk density, linear shrinkage, capillarity, water absorption, thermal conductivity and compressive strength according to NTE E0.80 testing a new methodology. The linear shrinkage decreases from 2.7 to 1.91 cm with 0.4%. Capillarity decreases with increasing STS addition. The water absorption decreased from 12.03 to 6.31% using 0.4% and its mass loss reduced from 779 to 19 grams. The thermal conductivity showed no differences. The compressive strength has been reduced, but acceptable with NTE E.080. The stabilization of the adobe using the STS showed an improvement in the physical properties, mainly to the hydrophobic power.

PHYSICAL, MECHANICAL AND THERMAL BEHAVIOR OF ADOBE STABILIZED WITH “SYNTHETIC TERMITE SALIVA”