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What is Schmidt Hammer Test

Chapter 17
Handbook of Research on Seismic Assessment and Rehabilitation of Historic Structures
A non-destructive technique used to determine the compressive strength, surface hardness and penetration resistance of reinforced concrete and masonry structures by measuring the rebound of a spring-loaded mass impacting against the surface of the sample. The hammer hits the surface at a defined energy. The test equipment measures the rebound which is dependent on the hardness of the concrete.
Published in Chapter:
Selected Assessment and Retrofitting Application Techniques for Historical Unreinforced Masonry Buildings
Yavuz Yardım (Epoka University, Albania) and Enea Mustafaraj (Epoka University, Albania)
Copyright: © 2015 |Pages: 21
DOI: 10.4018/978-1-4666-8286-3.ch017
Abstract
This chapter includes application of recent research on the repair and strengthening of historical structures and provides a structural assessment of five historical mosques in Albania. Apart from visual inspection, terrestrial laser scanner (TLS) data are used to analyze the historical structures. The FEM analysis conducted in SAP2000 aims to investigate the structural behavior of the undamaged model under static and dynamic loads. Stress concentration and mode period results have a considerable difference, which highlights earthquake vulnerability and changes the strategy of possible retrofitting. As a result, possible practical solutions for the structural problems based on previous research and enhancement of the existing structural resistance are suggested.
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