The strength-dilatancy characteristics embraced in hypoplasticity

作     者：Zhongzhi FU Sihong LIU Zijian WANG 

作者机构：Geotechnical Engineering DepartmentNanjing Hydraulic Research InstituteNanjing 210024China College of Water Conservancy and Hydropower EngineeringHohai UniversityNanjing 210098China 

出 版 物：《Frontiers of Structural and Civil Engineering》 (结构与土木工程前沿（英文版）)

年 卷 期：2013年第7卷第2期

页      面：178-187页

核心收录：

学科分类：1305[艺术学-设计学（可授艺术学、工学学位）] 07[理学] 0813[工学-建筑学] 0814[工学-土木工程] 070202[理学-粒子物理与原子核物理] 0702[理学-物理学] 

基　　金：This work was supported by the National Natural Science Foundation of China(Grant Nos.51209141 and 51179059) the Fund for Young Scientists in the Nanjing Hydraulic Research Institute(No.Y312004) 

主　　题：strength dilatancy hypoplasticity frictional materials 

摘      要：The strength-dilatancy characteristics of frictional materials embraced in the hypoplastic model proposed by Gudehus and Bauer are investigated and compared with the revised model suggested by *** the latter the deviatoric stress in the model by Gudehus and Bauer is replaced by a transformed stress according to the stress transformation technique proposed by *** flow rule,the failure state surface equation and the strengthdilatancy relationship embraced in both models are derived *** performance of the two hypoplastic models in reproducing the relationship between the peak strength and the corresponding dilation rate under triaxial compression,plane compression and plane shearing are then extensively investigated and compared with experimental results and with the predictions made by particular classical stress-dilatancy *** investigations show that the performance in reproducing the strength-dilatancy relationship is quite satisfactory under triaxial compression stress state in both models and the predictions made by the transformed stress based model are closer to the results obtained from classical stress-dilatancy theories for plane compression and plane shearing problems.