Application of the FDEM Based on the CZM in Simulating Three-Point Bending Test of Frozen Soil

The combined finite–discrete element method (FDEM) based on the cohesive zone model (the CZM) achieves cracking simulation by inserting elements between solid elements. In this study, three-point bending fracture tests of frozen soil were simulated using FDEM CZM. Firstly, sensitivity parameters was analyzed. Secondly, through a series simulations test soil, it found that with reasonable values CZM had good adaptability to as not only reflects load-displacement curve, but also has correspondence pattern compared test. Finally, relationship and specimens’ temperature under two loading rates 1 mm/min 0.1 analyzed, linear temperature. This paper is expected provide new possibility for numerical cracking.