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Description
Title: | Seismic Damage Analysis and Design of Unreinforced Masonry Buildings |
Author(s): | Kwok, Yan Hoe |
Department / Program: | Civil Engineering |
Discipline: | Civil Engineering |
Degree Granting Institution: | University of Illinois at Urbana-Champaign |
Degree: | Ph.D. |
Genre: | Dissertation |
Subject(s): | Engineering, Civil |
Abstract: | A model for evaluating the structural damage to masonry buildings subjected to earthquake ground motion is proposed. Damage is expressed as a combination of the effects of excessive deformation and repeated loadings. Model parameters for unreinforced brick masonry were obtained from cyclic load tests of masonry wall specimens. A random vibration method using a nonlinear hysteretic restoring force model to describe the load-deformation behavior of masonry was adopted to evaluate the response statistics required for damage assessment. The proposed damage model was calibrated using observed damages to masonry buildings during past earthquakes. A simplified method for damage assessment, in which seismic damage is expressed as a ratio of the seismic loading to the structural resistance, is proposed. A damage-limiting design method, based on the equivalent lateral load procedure used in many building codes, is developed in which the base shear coefficient is expressed as a function of the damage level. Two design examples indicate the effectiveness of the design method to limit seismic damage to a tolerable level. |
Issue Date: | 1987 |
Type: | Text |
Description: | 115 p. Thesis (Ph.D.)--University of Illinois at Urbana-Champaign, 1987. |
URI: | http://hdl.handle.net/2142/69966 |
Other Identifier(s): | (UMI)AAI8721683 |
Date Available in IDEALS: | 2014-12-15 |
Date Deposited: | 1987 |
This item appears in the following Collection(s)
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Dissertations and Theses - Civil and Environmental Engineering
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Graduate Dissertations and Theses at Illinois
Graduate Theses and Dissertations at Illinois