Abstract
Aimed to study the characteristics of corrosion-induced cracks in concrete contained transverse cracks, an improved CDM-XFEM is proposed to calculate the process of corrosion-induced cracks. It mainly includes reconstructing the fracture energy conversion equation and establishing the water transport model in transverse cracks. The numerical results are verified by the experimental results. Then the influence of transverse crack form on corrosion-induced crack width and angle are investigated. The results show that when increase the depth of transverse cracks, the total crack widths of corrosion-induced cracks will increase in an S shape curve, the angle of corrosion-induced cracks will increase linearly in the early stage and remain unchanged in the later stage. While increase the width of transverse cracks will decrease the angle of corrosion-induced cracks.
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