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International Concrete Abstracts Portal

The International Concrete Abstracts Portal is an ACI led collaboration with leading technical organizations from within the international concrete industry and offers the most comprehensive collection of published concrete abstracts.

Showing 1-5 of 314 Abstracts search results

Document: 

CI4802PTIAwards

Date: 

February 1, 2026

Publication:

Concrete International

Volume:

48

Issue:

2

Abstract:

The 2025 Post-Tensioning Institute (PTI) Project Awards recognized projects that demonstrate innovation, complexity, cost effectiveness, and aesthetics in post-tensioned (PT) concrete design and construction. The 2025 Project of the Year Award was bestowed to One River North, in Denver, CO, USA.

DOI:

10.14359/51749507

Document: 

CI4706Allred

Date: 

June 1, 2025

Author(s):

Bryan Allred, Frank Malits, and Neel Khosa

Publication:

Concrete International

Volume:

47

Issue:

6

Abstract:

For all concrete structures, cost effectiveness is heavily influenced by the timing of formwork cycling. For post-tensioned structures, review and approval of elongation records is a critical step within each formwork cycle. This article explores the timeliness of reviews, purpose of elongations and tolerances, evaluation of stressing records, and reasonable expectations for all stakeholders.

DOI:

10.14359/51747830

Document: 

CI4607Reigstad

Date: 

July 1, 2024

Author(s):

Gordon H. Reigstad, Jason G. Reigstad, and Jared M. Reigstad

Publication:

Concrete International

Volume:

46

Issue:

7

Abstract:

The PS=Ø system allows engineers to design post-tensioned (PT) and reinforced concrete members with more restraint releases and without the construction schedule delays of traditional pour strips. With or without temporary PT stressing strips, PS=Ø couplers can be used as restraint relief details in slab-to-slab, slab-to-wall, and beam-to-beam joints.

DOI:

10.14359/51740981

Document: 

CI4604Britt_spotlight

Date: 

April 1, 2024

Author(s):

Jennifer Britt

Publication:

Concrete International

Volume:

46

Issue:

4

Abstract:

Existing concrete slabs and structures require scanning and imaging before any build out, renovation, or excavation work begins. Ground-penetrating radar technology has established itself as the primary tool for fast, effective, and efficient determination of the presence of utilities and embedded structural members, such as post-tensioning tendons and reinforcing bars.

DOI:

10.14359/51740722

Document: 

CI4601Klinger

Date: 

January 1, 2024

Author(s):

James Klinger, Joseph F. Neuber Jr., Jeffrey Ondo, and Bruce A. Suprenant

Publication:

Concrete International

Volume:

46

Issue:

1

Abstract:

Placing and finishing of concrete slabs with portland-limestone cement (Type IL cement) may create issues for some contractors, and bleeding rate is a major factor. The article discusses saw cutting, cold weather protection, post-tensioning, and form removal, as well as best practices and strategies to minimize risks during floor slab finishing and early-age, strength-critical construction with Type IL cement.

DOI:

10.14359/51740317

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