Micromechanics-based simulations of compressive and tensile testing on lime-based mortars

摘要: Abstract The purpose of this paper is to propose a continuum micromechanics model for the simulation uniaxial compressive and tensile tests on lime-based mortars, in order predict their stiffness, strengths, fracture energy. In tension, we adopt an incremental strain-controlled form Mori–Tanaka scheme with damageable matrix phase, while simple J2 yield criterion employed compression. To reproduce behavior mortars correctly, must take into account shrinkage cracking among aggregates. This phenomenon introduced via penny-shaped cracks, whose density estimated basis particle size distribution combined results finite element analyses single crack formation between two spherical inclusions. Our predictions show good agreement experimental data explain advantages compliant crushed brick fragments, often encountered ancient over stiff sand particles. validated provides reliable tool optimizing composition modern applications conservation restoration architectural heritage.