Lower Bound Limit Analysis of Masonry Arches with CFRP Reinforcements: A Numerical Method

This paper presents a numerical method to predict the ultimate load of masonry arches strengthened with carbon-fiber-reinforced polymer (CFRP) strips bonded to the intrados. The voussoirs of the arch and the CFRP strip, ideally divided into the same number of parts as the voussoirs, are modeled as rigid blocks. A finite set of stress resultants represents the stress state acting on interfaces of the rigid blocks. The local failure modes at the block interfaces are defined according to experimental evidence. The model is developed within an associated framework in such a way that the normality rule is satisfied: the upper- and lower-bound theorems of classical limit analysis apply. The ultimate load is predicted by a lower bound approach. The feasible domain is defined by the equilibrium equations and by the linear constraints imposed on the stress resultants. All the relations defining the model are linear, so that a linear programming problem is imposed. The predictions of the numerical model compare well with experimental results.

• Record URL:
  • https://doi.org/10.1061/(ASCE)CC.1943-5614.0000350
• Availability:
  • Find a library where document is available. Order URL: http://worldcat.org/issn/10900268
• Supplemental Notes:
  • Copyright © 2013 American Society of Civil Engineers
• Authors:
  • Bati, Silvia Briccoli
  • Fagone, Mario
  • Rotunno, Tommaso
• Publication Date: 2013-8

Language

• English

Media Info

• Media Type: Digital/other
• Features: References;
• Pagination: pp 543-553
• Serial:
  • Journal of Composites for Construction
  • Volume: 17
  • Issue Number: 4
  • Publisher: American Society of Civil Engineers
  • ISSN: 1090-0268
  • EISSN: 1943-5614
  • Serial URL: http://ascelibrary.org/journal/jccof2

Subject/Index Terms

• TRT Terms: Arches; Carbon fibers; Experiments; Fiber reinforced polymers; Masonry bridges; Numerical analysis; Ultimate load design
• Subject Areas: Bridges and other structures; Highways; I24: Design of Bridges and Retaining Walls;

Filing Info

• Accession Number: 01487615
• Record Type: Publication
• Files: TRIS, ASCE
• Created Date: Jul 18 2013 1:59PM