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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 627 Abstracts search results

Document: 

CI4804Hörmann-Gast2

Date: 

April 1, 2026

Author(s):

Andra Hörmann-Gast and Tara C. Hutchinson

Publication:

Concrete International

Volume:

48

Issue:

4

Abstract:

In the most recent updates to the ACI 355 prequalification standards, changes were made to the requirements for testing and assessment of anchors intended for use in seismic design environments (SDC C through F). These changes are reflected in ACI CODE-355.2-24 and ACI CODE-355.4-24. Both standards are referenced in ACI CODE-318-25, “Building Code for Structural Concrete—Code Requirements and Commentary.” This article provides background for these changes, including a historical perspective on seismic qualification and design of anchorage, supporting research, and ACI Committee 355 decisions.

DOI:

10.14359/51750637

Document: 

CI4804Parra-Montesinos

Date: 

April 1, 2026

Author(s):

Gustavo J. Parra-Montesinos, Sergio M. Alcocer, Martin A. Cuadra, and Rashid Ahmed

Publication:

Concrete International

Volume:

48

Issue:

4

Abstract:

ACI CODE-318-25 provisions for calculating horizontal joint shear force in beam-column joints of structures assigned to Seismic Design Category (SDC) A and B generally assume moment transfer to the joint is governed by the nominal flexural strength of the beam(s). There are cases, however, where moment transfer is governed by column flexural yielding or where both the beams and columns framing into the joint are expected to remain elastic. Examples can be found in roof joints and in joints with post-tensioned beams whose design is governed by serviceability conditions. Guidance is provided herein for determining horizontal shear force in joints where moment transfer is not governed by beam flexural yielding through an example roof joint between a cast-in-place post-tensioned beam and a reinforced concrete column.

DOI:

10.14359/51750641

Document: 

CI4712Harries

Date: 

December 1, 2025

Author(s):

Kent A. Harries, Carlos E. Ospina, M. Lee Marsh, Sergio M. Alcocer, and Ravi Kanitkar

Publication:

Concrete International

Volume:

47

Issue:

12

Abstract:

Glass fiber-reinforced polymer (GFRP) reinforcement is currently only allowed to be used in concrete structures in Seismic Design Category (SDC) A. An approach explored in this article is the use of GFRP reinforcement for structural elements that are not intended to be part of the inelastic (yielding) mechanism of the seismic force-resisting systems.

DOI:

10.14359/51749339

Document: 

CI4712ConcreteQA

Date: 

December 1, 2025

Publication:

Concrete International

Volume:

47

Issue:

12

Abstract:

This is the second in the series of Q&A articles attempting to clarify some common questions and misconceptions about glass fiber-reinforced polymer (GFRP) reinforcing bars. Discussed topics include traceability, hybrid reinforcement, sustainability, elevated temperature and fire, seismic provisions, limitations, and splices and headed bars.

DOI:

10.14359/51749341

Document: 

CI4710Handika

Date: 

October 1, 2025

Author(s):

Nuraziz Handika, Prasanti Widyasih Sarli, Josia Irwan Rastandi, Mulia Orientilize, and Jessica Sjah

Publication:

Concrete International

Volume:

47

Issue:

10

Abstract:

This article explores the evolution of Indonesia's concrete design codes, and how a foundation was built through decades of engagement with ACI standards. Through the Indonesian Society of Civil and Structural Engineers (HAKI) and ACI's shared commitment to excellence, a code born from colonial, Dutch origins evolved into a modern standard tailored to Indonesia's seismic realities.

DOI:

10.14359/51749205

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