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Article: Design and installation of post-installed reinforcements: A state-of-the-art review

TitleDesign and installation of post-installed reinforcements: A state-of-the-art review
Authors
KeywordsBonded anchor
Modular integrated construction
Post-installed reinforcement
Reinforcement anchorage
Strut-and-tie model
Issue Date2020
PublisherHong Kong Institution of Engineers. The Journal's web site is located at https://www.hkie.org.hk/en/membership/transactions/
Citation
HKIE Transactions, 2020, v. 27 n. 2, p. 65-76 How to Cite?
AbstractPost-installed reinforcement (PIR) helps facilitate retrofitting works, mitigate misplaced reinforcement problems, as well as support newly cast concrete members such as modular integrated construction. However, it has not been holistically addressed in major international reinforced concrete (RC) design codes. Nonetheless, based on established design philosophy and associated failure modes, the cast-in reinforcement design method in RC can be extended to design qualified PIR systems. The qualification of PIR system can be referenced to Acceptance Criteria (AC) 308 (2016), European Assessment Document (EAD) 330087 (2018) and EAD 330499 (2017) in the US and Europe, respectively. In Hong Kong, PIR is conservatively limited to shear connections. Its assumption of pinned connection is less justifiable for some deep sections of beams, which may induce hogging moments, causing tension at the top reinforcement of the supports. In some cases of cantilever slabs, moment connections are necessary to maintain equilibrium. Hence, this paper reviews an up-to-date design methodology and installation guide to complement the Hong Kong Code of Practice for Structural Use of Concrete by referring to the recently published international design codes and documents. The proposal is useful to promote economical, sustainable and technically sound use of PIR system.
Persistent Identifierhttp://hdl.handle.net/10722/284483
ISSN
2023 SCImago Journal Rankings: 0.167

 

DC FieldValueLanguage
dc.contributor.authorLooi, DTW-
dc.contributor.authorLee, AYF-
dc.contributor.authorSu, RKL-
dc.contributor.authorZHANG, Y-
dc.date.accessioned2020-08-07T08:58:17Z-
dc.date.available2020-08-07T08:58:17Z-
dc.date.issued2020-
dc.identifier.citationHKIE Transactions, 2020, v. 27 n. 2, p. 65-76-
dc.identifier.issn1023-697X-
dc.identifier.urihttp://hdl.handle.net/10722/284483-
dc.description.abstractPost-installed reinforcement (PIR) helps facilitate retrofitting works, mitigate misplaced reinforcement problems, as well as support newly cast concrete members such as modular integrated construction. However, it has not been holistically addressed in major international reinforced concrete (RC) design codes. Nonetheless, based on established design philosophy and associated failure modes, the cast-in reinforcement design method in RC can be extended to design qualified PIR systems. The qualification of PIR system can be referenced to Acceptance Criteria (AC) 308 (2016), European Assessment Document (EAD) 330087 (2018) and EAD 330499 (2017) in the US and Europe, respectively. In Hong Kong, PIR is conservatively limited to shear connections. Its assumption of pinned connection is less justifiable for some deep sections of beams, which may induce hogging moments, causing tension at the top reinforcement of the supports. In some cases of cantilever slabs, moment connections are necessary to maintain equilibrium. Hence, this paper reviews an up-to-date design methodology and installation guide to complement the Hong Kong Code of Practice for Structural Use of Concrete by referring to the recently published international design codes and documents. The proposal is useful to promote economical, sustainable and technically sound use of PIR system.-
dc.languageeng-
dc.publisherHong Kong Institution of Engineers. The Journal's web site is located at https://www.hkie.org.hk/en/membership/transactions/-
dc.relation.ispartofHKIE Transactions-
dc.subjectBonded anchor-
dc.subjectModular integrated construction-
dc.subjectPost-installed reinforcement-
dc.subjectReinforcement anchorage-
dc.subjectStrut-and-tie model-
dc.titleDesign and installation of post-installed reinforcements: A state-of-the-art review-
dc.typeArticle-
dc.identifier.emailSu, RKL: klsu@hkucc.hku.hk-
dc.identifier.authoritySu, RKL=rp00072-
dc.identifier.hkuros311957-
dc.identifier.volume27-
dc.identifier.issue2-
dc.identifier.spage65-
dc.identifier.epage76-
dc.publisher.placeUnited Kingdom-
dc.identifier.issnl1023-697X-

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