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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 293 Abstracts search results

Document: 

CI4808Duckworth

Date: 

August 1, 2026

Author(s):

Oscar Duckworth

Publication:

Concrete International

Volume:

48

Issue:

8

Abstract:

Launched in 2019, the American Concrete Institute (ACI) Shotcrete Inspector Certification program was established to address the growing demand for qualified, on-site shotcrete inspection personnel. Although the program has successfully certified a diverse range of industry professionals—including concrete construction inspectors, shotcrete workers, designers, and project superintendents—the United States construction industry continues to face a critical shortage of these specialized inspectors. This article describes the program and encourages concrete professionals to join the team.

DOI:

10.14359/51751881

Document: 

CI4808Pancha

Date: 

August 1, 2026

Author(s):

Priya Pancha, Heather N. Yates, and Marllon “Dan” Cook

Publication:

Concrete International

Volume:

48

Issue:

8

Abstract:

Becoming ACI certified is an achievement that enhances personal credentials and provides value to employers. ACI currently offers 30+ globally recognized certification programs to support the concrete, masonry, and shotcrete industries. However, some individuals may struggle to pass a certification. This article outlines strategies to successfully prepare for ACI Certification testing.

DOI:

10.14359/51751886

Document: 

CI4801Monfort

Date: 

January 1, 2026

Author(s):

Maxime Monfort, Julien Schaeffer, Jongbeom Kim, and Marc Jolin

Publication:

Concrete International

Volume:

48

Issue:

1

Abstract:

To facilitate the shotcreter’s task, partial or full automation of the placement process is of interest, which is why the Shotcrete Laboratory at the Université Laval, Québec, QC, Canada, acquired a six-axis robotic arm in 2019. The arm can repeat predefined spraying patterns with practically flawless accuracy. This robot, combined with a data acquisition system that measures rebound during a standardized spraying session, is the starting point of a large research project, “SPARO – Shotcrete Placement Automated by Robot."

DOI:

10.14359/51749389

Document: 

CI4707Boone

Date: 

July 1, 2025

Author(s):

Simon Boone

Publication:

Concrete International

Volume:

47

Issue:

7

Abstract:

In July 2024, GeoStabilization International used shotcrete for the construction of a soil nail wall for a large data center in Atlanta, GA, USA. To enhance efficiency, GeoStabilization implemented innovative techniques, including the use of a shotcrete robot. This proved especially effective during the installation of the initial structural layer of the wall.

DOI:

10.14359/51748933

Document: 

CI4506Brierley

Date: 

June 1, 2023

Author(s):

Gary Brierley, Joseph Klein, and Randall W. Poston

Publication:

Concrete International

Volume:

45

Issue:

6

Abstract:

Tunnel linings are typically curved structures placed in direct contact with and restrained by the surrounding ground. The main objective of this two-part article is to explain how tunnel linings can be designed and analyzed in a reasonable and rational manner that is consistent with tunnel lining behavior. Part 1 focuses on design considerations and a brief history of tunnel linings.

DOI:

10.14359/51738853

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