Journal article
2D and 3D Nonlinear Finite Element Sensitivity Analysis of the Static and Dynamic Behavior of the Adobe Pyramid of Huaca de la Luna, Trujillo, Perú
International journal of architectural heritage, pp 1-29
15 Dec 2024
Featured in Collection : UN Sustainable Development Goals @ Drexel
Abstract
Huaca de la Luna is a monumental earthen complex near Trujillo, Peru built by the Moche civilization from 200 to 850 C.E. Its principal structure, a stepped pyramid constructed with millions of adobe bricks on sloping bedrock and sandy soil, presents severe structural damage at the northwest corner. A sensitivity study of the static and dynamic response of the pyramid is conducted in Abaqus/CAE Explicit using 2D and 3D nonlinear finite element models derived from archaeological, material, and geotechnical data. Concrete damaged plasticity and Mohr-Coulomb formulations are adopted to represent adobe and sandy soil, respectively. Models undergo quasi-static gravitational loading followed by dynamic application of lateral ground accelerations. Lateral capacity is defined as the applied acceleration that produces collapse and is identified from the time-evolution of elastic strain and plastic dissipation energies. Initial 2D sensitivity analysis investigates the effect on lateral capacity of adobe tensile strength, bedrock/soil configuration, west fa & ccedil;ade profile, eastward architecture, and plastic dilation angle. Critical configurations identified from 2D analysis are expanded into 3D models. All results show stability under gravitational load. At dynamically induced failure, damage corresponds closely to the extant collapse of the northwest corner of the pyramid, suggesting that present damage is due to seismic activity.
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Details
- Title
- 2D and 3D Nonlinear Finite Element Sensitivity Analysis of the Static and Dynamic Behavior of the Adobe Pyramid of Huaca de la Luna, Trujillo, Perú
- Creators
- Anna Remus - University of RochesterSelman Tezcan - Bilecik UniversityMiguel A. Pando - Drexel UniversityRafael Aguilar - Pontifical Catholic University of PeruRenato Perucchio - University of Rochester
- Publication Details
- International journal of architectural heritage, pp 1-29
- Publisher
- Taylor & Francis
- Number of pages
- 29
- Grant note
- Ministry of National Education of Turkiye University of Rochester Hajim School of Engineering's Department of Mechanical Engineering
- Resource Type
- Journal article
- Language
- English
- Academic Unit
- Civil, Architectural, and Environmental Engineering
- Web of Science ID
- WOS:001377690500001
- Scopus ID
- 2-s2.0-85211811042
- Other Identifier
- 991022012187304721
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- Collaboration types
- Domestic collaboration
- International collaboration
- Web of Science research areas
- Architecture
- Construction & Building Technology
- Engineering, Civil