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Home > Publications > 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 421 Abstracts search results
Document:
CI4712Bischoff
Date:
December 1, 2025
Author(s):
Peter H. Bischoff, Wassim Nasreddine, and Hani Nassif
Publication:
Concrete International
Volume:
47
Issue:
12
Abstract:
This is the last article in a five-part series on calculating deflections for members not meeting minimum thickness requirements in accordance with ACI CODE-318-19. The Code’s approach for calculating immediate deflection of reinforced (nonprestressed) concrete is broadened to include prestressed concrete loaded above the cracking moment (Class T and Class C prestressed members).
DOI:
10.14359/51749338
CI4708ConcreteQA
August 1, 2025
8
This month’s Q&A is a follow up to the February 2025 Q&A. It discusses changes in core conditioning requirements in ACI CODE-318 and ASTMC42/C42M that took place within the last 25 years and research findings that led to these changes. It also explains whether standard moisture conditioning requirements could be changed on some projects.
10.14359/51749082
CI4708Abdullah
Saman A. Abdullah, Miki Mori, and John W. Wallace
Relevant test data for a comprehensive study of factors influencing bond-splitting behavior was identified from literature review. Based on this review, a database of 79 column and beam tests was compiled and studied to develop an alternative provision for bond splitting that was adopted in Section 18.7.4.3 of ACI CODE-318-25. The article summarizes the details of this study.
10.14359/51749087
CI4706ConcreteQA
June 1, 2025
6
This month’s Q&A discusses changes in ACI CODE-318-25 for coefficient of friction for concrete placed against hardened concrete that is clean, free of laitance, and not intentionally roughened, as well as new provisions for determining if an intentionally roughened surface meets the 1/4 in. roughness specified in Table 22.9.4.2.
10.14359/51747838
CI4705Bischoff
May 1, 2025
Peter H. Bischoff
5
This article, the fourth in a five-part series on calculating deflections using a new expression for the effective moment of inertia Ie introduced into ACI CODE-318-19, provides a deflection example. The example follows the procedure outlined in Part 1 to compute the deflection of reinforced concrete (nonprestressed) one-way slab with both ends continuous.
10.14359/51746784
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