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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 13112 Abstracts search results

Document: 

CI4807Convention Highlights

Date: 

July 1, 2026

Publication:

Concrete International

Volume:

48

Issue:

7

DOI:

10.14359/51751804

Document: 

CI4807Covarrubias

Date: 

July 1, 2026

Author(s):

Juan Pablo Covarrubias, Robert Rodden, Jeffery Roesler, Lev Khazanovich, Jorge Olavarria, and Nigel Parkes

Publication:

Concrete International

Volume:

48

Issue:

7

Abstract:

Conventional slab-on-ground design methods rely on simplified assumptions derived from Westergaard solutions that do not capture key behavioral mechanisms such as slab curling, partial loss of support, concrete shrinkage, and realistic load transfer. This paper presents a mechanistic design framework based on two-dimensional (2-D) finite element analysis (FEA) that incorporates these effects, coupled with calibrated empirical methods for estimating slab capacity.

DOI:

10.14359/51751805

Document: 

CI4807Kang

Date: 

July 1, 2026

Author(s):

Thomas Kang, Kwanwoo Yi, Jonathan Hirsch, and K. Dirk Bondy

Publication:

Concrete International

Volume:

48

Issue:

7

Abstract:

This study evaluates tendon stress at the ultimate state (fps) based on ACI/PTI CODE-320-25 provisions. This standard provides discontinuous equations based on the span-to-depth ratio but does not account for span continuity. A new model, based on the plastic hinge concept, addresses this limitation. The model maintains a similar structure to ACI/PTI CODE-320-25 but improves upon its consistency while maintaining accuracy and precision.

DOI:

10.14359/51751806

Document: 

CI4807Khan

Date: 

July 1, 2026

Author(s):

Mohammad S. Khan

Publication:

Concrete International

Volume:

48

Issue:

7

Abstract:

Built in 1964, the John Coffee Memorial Bridge is a two-lane, 38-span, plate-girder bridge with a concrete deck that provides a direct route for travelers from Tennessee to Mississippi. Because of its scale, inspection is challenging. A recent evaluation was conducted to select appropriate restoration methods, using robotic tools that enabled nondestructive evaluations (NDEs) without the need for traffic control. This article describes these tools and summarizes the evaluation.

DOI:

10.14359/51751807

Document: 

CI4807Paul

Date: 

July 1, 2026

Author(s):

Michael J. Paul

Publication:

Concrete International

Volume:

48

Issue:

7

Abstract:

James Franklin Savage, 1927-1967, was a sculptor of precast concrete that, to this day, adorns many buildings in Tucson, AZ, USA. Savage worked with what we now would call segmental precast concrete or cast stone, and his sculptural works featured a combination of ancient and modern symbols. This article highlights a selection of Savage’s notable works.

DOI:

10.14359/51751808

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