This study presents numerical and experimental models for the analysis of the excavation of soft soils by means of a cutting tool.The computational model is constructed using an Updated Lagrangean(UL)velocity-based Fi...
supported by the CRSRI Open Research Program(Grant No.CKWV2016375/KY);the National Natural Science Foundation of China(Grants No.51609182,51379130,and 51209141);the Chinese Scholarship Council
In this paper, two different concepts for the constitutive modeling of the mechanical behavior of creep-sensitive rockfill materials are presented. Specifically, the performance of an extended generalized plasticity m...
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).
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 Huang.In the latter the ...
supported by the National Natural Science Foundation of China (Grant Nos. 51179059,90815024);the Fund for Young Scientists in Nanjing Hydraulic Research Institute (Grant No. Y312004)
Discrete element simulations of one-dimensional compression of breakable granular assemblies were performed to investigate the capability of the exponential compression equation suggested by Bauer.The relationship bet...
This work was partially supported by the National Natural Science Foundation of China(Grant No.51179059);the Fund for Young Scientists in Nanjing Hydraulic Research Institute。
Long-term deformations of rockfill dams can be related to the type of dam,the pre-compaction achieved during the construction of the dam,the history of loading events,the rheological properties of the rockfill materia...
Support from the Ministry for Science and Technology in China and the Federal Ministry of Education,Science and Culture in Austria for the bilateral scientific-technological cooperation(Grant No.CN 01/2007)between Hohai University,Tsinghua University,Vienna University of Technology,University Innsbruck and Graz University of Technology is greatly acknowledged;China Scholarship Council(CSC)
The wetting deformation of weathered rockfill materials has been attracting growing attention from both engineers and scientists.The importance of realistic predictions of wetting deformations for high earth and rockf...
Projects(50479057, 50639060) supported by the National Natural Science Foundation of China
An incrementally nonlinear hypoplastic constitutive model was introduced, which was developed without recourse to the concepts in elastoplasticity theory such as yield surface, plastic potential and the decomposition ...