SEISMIC EVALUATION OF UN-REINFORCED MASONRY STRUCTURES
Published In: 2ND INTERNATIONAL CONFERENCE ON ADVANCES IN CIVIL, STRUCTURAL AND ENVIRONMENTAL ENGINEERING
Author(s): DEBRANJAN SAR , PRADIP SARKAR
Abstract: The objective of this paper is to study the methodology available in literature to evaluate the seismic vulnerability of un-reinforced masonry building and to check the applicability of these procedures through experimental studies. Sixteen wall panels of varying dimensions with and without openings were tested for in-plane monotonic lateral loads. The experimental results are compared with the results of existing pushover analysis method (ASCE/SEI 41-06) for URM building. The comparisons show that ASCE/SEI 41-06 method consistently overestimates the strength and stiffness of the URM buildings. A set of modification is proposed for the pushover analysis of URM building based on the experimental investigation. These proposed modifications show consistently good performance in comparison with the existing method (ASCE/SEI 41-06) of pushover analysis
- Publication Date: 26-Oct-2014
- DOI: 10.15224/978-1-63248-030-9-178
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VIBRATION CONTROL OF BUILDING FRAMES WITH MULTIPLE TUNED MASS DAMPERS
Published In: 2ND INTERNATIONAL CONFERENCE ON ADVANCES IN CIVIL, STRUCTURAL AND ENVIRONMENTAL ENGINEERING
Author(s): B. THOCKCHOM , B.NEETHU , D.DAS
Abstract: Tuned Mass Dampers (TMDs) have been found to be effective in controlling the responses of flexible tall structures subjected to earthquake ground excitations. In the present paper, the performance of single TMD and multiple TMD (MTMD) in reducing the seismic vibrations induced in structures are studied. The structure considered is a ten-storey RC building frame available in literature. Structures with and without TMDs subjected to different recorded earthquake ground motions are considered. Controlled responses of structures with TMDs and MTMDs are compared with the uncontrolled responses. It is observed that both the TMDs and MTMDs are able to reduce the vibrations in structures caused by earthquakes; however, the MTDMs are found to be more effective in reducing the responses of structures. From the present study it is concluded that, the performance of the tuned mass dampers depend on the characteristics of the ground motion to a great extent and a parametric study to investigate thi
- Publication Date: 26-Oct-2014
- DOI: 10.15224/978-1-63248-030-9-174
- Views: 0
- Downloads: 0