Based on the extensive experimental investigations, a new elastoplastic model has been proposed, taking into account the two plastic mechanisms related to the microstructure of porous chalks.

• 基于全面的实验研究,我们提出了一个新的弹塑性模型,该模型反映了与多孔白垩岩的微结构相关联的两种塑性力学机理。