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Strength assessment of a high rise concrete building using a combined NDT and DT method

Strength assessment of a high rise concrete building using a combined NDT and DT method

Mahmoodian, Mojtaba, Li, Chun Qing, Mahmoodian, Meisam and Kuchekali, A. (2012) Strength assessment of a high rise concrete building using a combined NDT and DT method. In: 11th International Conference on Concrete Engineering and Technology 2012 (CONCET2012). [Conference Proceedings]. 11th International Conference on Concrete Engineering and Technology 2012 (CONCET2012), pp. 480-485. (Unpublished)

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Abstract

Evaluation and assessment of in-place strength of concrete in existing structures have been carried out in many rehabilitation and retrofitting projects. A study was carried out on a 24 stories concrete building to ensure site supervisors and managers the in-place strength of concrete that may be in doubt. Although NDT tests for evaluation of concrete strength are very cost effective and convenient methods, the results are sometimes scattered. In this study an NDT method (Schmidt Hammer) in conjunction with a DT method (coring) was carried out to acquire a reasonable data about the strength. The number and locations for coring were selected so that the uncertainty raised by Schmidt hammer test was reduced. The results show that for a big concrete structure, using numerous NDT tests in conjunction with a limited number of DT tests can lead to rational and reliable results for structural assessors and supervisors.

Item Type: Conference Proceedings
Title of Proceedings: 11th International Conference on Concrete Engineering and Technology 2012 (CONCET2012). [Conference Proceedings]
Additional Information: [1] This paper was presented at the 11th International Conference on Concrete Engineering and Technology 2012 (CONCET2012) held from 12-13 June 2012 in Putrajaya, Malaysia. This paper, No. HMS-2, was presented on 13 June 2012 in Session C4 - Health Monitoring of Structures - HMS.
Uncontrolled Keywords: assessment of concrete, high rise buildings, NDT tests, DT tests
Subjects: T Technology > TA Engineering (General). Civil engineering (General)
T Technology > TH Building construction
Pre-2014 Departments: School of Engineering
School of Engineering > Department of Civil Engineering
Related URLs:
Last Modified: 14 Oct 2016 09:27
Selected for GREAT 2016: None
Selected for GREAT 2017: None
Selected for GREAT 2018: None
Selected for GREAT 2019: None
URI: http://gala.gre.ac.uk/id/eprint/11445

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