Analysis of Mechanical Properties and Failure Mechanism of Lightweight Aggregate Concrete Based on Meso Level

The relationship between the macroscopic mechanical properties of lightweight aggregate concrete and its microstructure is a hot topic in discipline materials. It very meaningful to provide an efficient numerical analysis method conduct meso-level analysis. This study proposes automatic dissection algorithm adapts calculation program base force element non-linear damage In simulation, three groups 100 mm × specimens were selected for uniaxial compression experiment tensile experiment, respectively. average strength simulation test was 21.86 MPa. stress–strain softening curve, stress contour plot, strain plot light also analyzed. These research results data analyzing failure mechanism reveal concrete. At same time, reliability proposed verified. Our aim more accurate meso-damage concrete, which benefits industries involved production, construction, structural engineering.