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Seismic Behavior of Insulated Hollow-Brick Cavity Walls Using Quasi-Static Experimentation

[+] Author Affiliations
Hong-Nan Li

Dalian University of Technology, Dalian, China

Jing-Wei Zhang, Li Liu

Shenyang Architectural and Civil Engineering Institute, Shenyang, China

Paper No. PVP2003-2099, pp. 31-40; 10 pages
doi:10.1115/PVP2003-2099
From:
  • ASME 2003 Pressure Vessels and Piping Conference
  • Seismic Engineering
  • Cleveland, Ohio, USA, July 20–24, 2003
  • Conference Sponsors: Pressure Vessels and Piping Division
  • ISBN: 0-7918-4157-X
  • Copyright © 2003 by ASME

abstract

This paper focuses on an experimental investigation of different types of insulated hollow-brick cavity walls, i.e. the walls with door opening, with window opening and without any opening characterized with different tie bar arrangements, subjected to slowly applied cyclic loads. The cracking and damage patterns, strength and stiffness degradation and deterioration, energy dissipation capacity and hysteretic feature were analyzed. Based on the experimental results, the formulas of calculation for cracking load and ultimate load of cavity wall are mathematically established. The evaluation equation of strength and stiffness degradation of walls is presented and its parameters are numerically given from regression results. The original characteristic curves of recovery force-displacement of actual specimens under cyclic loads were discussed, and then a standard recovery force-displacement model is suggested with convenient forms for implementation.

Copyright © 2003 by ASME

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