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Development of geotechnical capabili...

Yang, Zhaohui.

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Development of geotechnical capabilities into OpenSees platform and their applications in soil-foundation-structure interaction analyses.

紀錄類型:	書目-語言資料,印刷品 : Monograph/item
正題名/作者:	Development of geotechnical capabilities into OpenSees platform and their applications in soil-foundation-structure interaction analyses./
作者:	Yang, Zhaohui.
面頁冊數:	246 p.
附註:	Adviser: Boris Jeremic.
Contained By:	Dissertation Abstracts International63-09B.
標題:	Engineering, Civil. -
電子資源:	http://pqdd.sinica.edu.tw/twdaoapp/servlet/advanced?query=3065317
ISBN:	9780493843865

Development of geotechnical capabilities into OpenSees platform and their applications in soil-foundation-structure interaction analyses.
Yang, Zhaohui.

Development of geotechnical capabilities into OpenSees platform and their applications in soil-foundation-structure interaction analyses. - 246 p.

Adviser: Boris Jeremic.

Thesis (Ph.D.)--University of California, Davis, 2002.

This dissertation presents developments of geotechnical capabilities into OpenSees platform for earthquake engineering analysis and their applications in Soil-Foundation-Structure Interaction (SFSI) analyses.

ISBN: 9780493843865Subjects--Topical Terms:

783781
Engineering, Civil.

Development of geotechnical capabilities into OpenSees platform and their applications in soil-foundation-structure interaction analyses.
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245 1 0 $a Development of geotechnical capabilities into OpenSees platform and their applications in soil-foundation-structure interaction analyses.
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520 $a This dissertation presents developments of geotechnical capabilities into OpenSees platform for earthquake engineering analysis and their applications in Soil-Foundation-Structure Interaction (SFSI) analyses.
520 $a The first part of this dissertation presents developments of new methods for geotechnical engineering analysis, including a novel approach to constitutive modeling of geomaterials, i.e. Template Elasto-Plastic framework, an algorithm, i.e. Plastic Domain Decomposition method (PDD) for parallel finite element analysis in geomechanics, and new post-processing techniques for visualizing SFSI analysis results. The Template Elasto-Plastic framework is developed on the basis of object-oriented design paradigm and observations on the similarities of most incremental elasto-plastic material models. The framework allows not only easy implementations of available elasto-plastic material models but creation of new material models by different combinations of constitutive components such as yield surfaces, potential surfaces or flow directions, and evolution laws. The PDD method, based on distributed-memory parallel computer, can be applied to both static and dynamic elasto-plastic finite element analyses in geomechanics and has an effective scheme to adaptively balance computational load. New techniques based on principal stresses are developed for visualization of stress tensor field by means of hedgehogs, hyperstreamlines, hyperstream-surfaces and isosurfaces. Furthermore, a tool with abilities to visualize bending moment, shear force and lateral resistance on individual piles modeled by solid elements is developed for post-processing results from SFSI analyses with FEM.
520 $a The second part of this dissertation is devoted to applications of the developed capabilities to SFSI analyses. Specifically, the performance of single pile embedded in layered elasto-plastic soils and interaction effects of large pile groups in sands are investigated. In the single-pile case, layering effects on p-y behavior of soil are studied and limited parametric studies are conducted to show the relationship between the lateral resistance ratios and the relative stiffness or strength of the layering systems. In the pile-group case, the interaction effects, particularly the load distribution among piles, and p-y behaviors of individual piles are investigated. The results are compared with that from centrifuge tests and the LPILE program.
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