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Post-tensioned concreting: its suitability for and acceptability in Sri Lanka

Post-tensioned concreting: its suitability for and acceptability in Sri Lanka Many countries have started to use post-tensioned (PT) concrete because of its sustainability and low cost. However, it is not quite popular in Sri Lanka as the required knowhow and technology are not available within the country. By introducing PT concrete to the country, unwanted costs and time overruns could be eliminated from the construction projects. This paper, therefore, aims to identify the suitability and acceptability of PT concreting for/in Sri Lanka.Design/methodology/approachAn extensive literature review was first carried out to gather knowledge on PT concreting. The four case studies that followed it included eight semi-structured interviews and a document review. Ten expert interviews were conducted finally to strengthen the findings of the literature review and case studies. Cross-case analysis and NVivo 11 content analysis software were used to analyze the data gathered.FindingsFindings reveal that PT concreting saves cost and time of construction and that it can have a control over the resources required for construction, which makes it environment-friendly. PT concreting allows thinner concrete sections, extended spans, stiffer walls that resist lateral loads and stiffer foundations that resist the effects of shrinking and swelling soils.Originality/valueIt is found that PT concreting is more suitable for the construction industry in Sri Lanka than traditional concreting. http://www.deepdyve.com/assets/images/DeepDyve-Logo-lg.png Journal of Engineering Design and Technology Emerald Publishing

Post-tensioned concreting: its suitability for and acceptability in Sri Lanka

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References (55)

Publisher
Emerald Publishing
Copyright
© Emerald Publishing Limited
ISSN
1726-0531
DOI
10.1108/jedt-06-2018-0102
Publisher site
See Article on Publisher Site

Abstract

Many countries have started to use post-tensioned (PT) concrete because of its sustainability and low cost. However, it is not quite popular in Sri Lanka as the required knowhow and technology are not available within the country. By introducing PT concrete to the country, unwanted costs and time overruns could be eliminated from the construction projects. This paper, therefore, aims to identify the suitability and acceptability of PT concreting for/in Sri Lanka.Design/methodology/approachAn extensive literature review was first carried out to gather knowledge on PT concreting. The four case studies that followed it included eight semi-structured interviews and a document review. Ten expert interviews were conducted finally to strengthen the findings of the literature review and case studies. Cross-case analysis and NVivo 11 content analysis software were used to analyze the data gathered.FindingsFindings reveal that PT concreting saves cost and time of construction and that it can have a control over the resources required for construction, which makes it environment-friendly. PT concreting allows thinner concrete sections, extended spans, stiffer walls that resist lateral loads and stiffer foundations that resist the effects of shrinking and swelling soils.Originality/valueIt is found that PT concreting is more suitable for the construction industry in Sri Lanka than traditional concreting.

Journal

Journal of Engineering Design and Technology – Emerald Publishing

Published: Aug 5, 2019

Keywords: Concrete; Reinforced concrete; Post-tensioned concrete; Pre-stressed concrete

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