A platform for research: civil engineering, architecture and urbanism
A platform for research: civil engineering, architecture and urbanism
Application of coupled elasto-plastic NMM–DDA procedure for the stability analysis of Prasat Suor Prat N1 Tower, Angkor, Cambodia
There are many historic remains in the world and among them many masonry structures are in danger of collapse. To select suitable methods for restoration and preservation, it is important to evaluate the stability of masonry structures considering the interaction between foundation ground and masonry building, and accurate calculation of stress distribution inside the masonry structure is required. In the previous studies, NMM–DDA (coupled numerical manifold method and discontinuous deformation analysis) one of the discontinuum-based numerical methods was developed to satisfy these requirements and used for the stability analysis of Prasat Suor Prat N1 Tower in the Angkor monuments, Cambodia. However, the original NMM–DDA code treat only elastic bodies (for both DDA blocks and NMM elements) and cannot treat the failure of soil. Hence, in this study, the elasto-perfectly plastic constitutive law (Drucker–Prager model) was newly introduced to the original NMM–DDA code, and the model was verified by performing biaxial test numerically and comparing with analytical solution. The newly developed elasto-plastic NMM–DDA was applied to the stability analysis of Prasat Suor Prat N1 Tower. The simulation results were compared with the on-site observation/investigation and the applicability of elasto-plastic NMM–DDA was also discussed.
Application of coupled elasto-plastic NMM–DDA procedure for the stability analysis of Prasat Suor Prat N1 Tower, Angkor, Cambodia
There are many historic remains in the world and among them many masonry structures are in danger of collapse. To select suitable methods for restoration and preservation, it is important to evaluate the stability of masonry structures considering the interaction between foundation ground and masonry building, and accurate calculation of stress distribution inside the masonry structure is required. In the previous studies, NMM–DDA (coupled numerical manifold method and discontinuous deformation analysis) one of the discontinuum-based numerical methods was developed to satisfy these requirements and used for the stability analysis of Prasat Suor Prat N1 Tower in the Angkor monuments, Cambodia. However, the original NMM–DDA code treat only elastic bodies (for both DDA blocks and NMM elements) and cannot treat the failure of soil. Hence, in this study, the elasto-perfectly plastic constitutive law (Drucker–Prager model) was newly introduced to the original NMM–DDA code, and the model was verified by performing biaxial test numerically and comparing with analytical solution. The newly developed elasto-plastic NMM–DDA was applied to the stability analysis of Prasat Suor Prat N1 Tower. The simulation results were compared with the on-site observation/investigation and the applicability of elasto-plastic NMM–DDA was also discussed.
Application of coupled elasto-plastic NMM–DDA procedure for the stability analysis of Prasat Suor Prat N1 Tower, Angkor, Cambodia
Hashimoto, R. (author) / Koyama, T. (author) / Kikumoto, M. (author) / Yamada, S. (author) / Araya, M. (author) / Iwasaki, Y. (author) / Ohnishi, Y. (author)
Geosystem Engineering ; 16 ; 62-74
2013-03-01
13 pages
Article (Journal)
Electronic Resource
English
Geotechnical Aspects of the N1 Tower, Prasat Sour Prat, Angkor Thom, Cambodia
| British Library Conference Proceedings | 2010
Geotechnical Aspects of the N1 Tower, Prasat Sour Prat, Angkor Thom, Cambodia
| Trans Tech Publications | 2010
| British Library Online Contents | 2015