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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 359 Abstracts search results
Document:
CI4708White
Date:
August 1, 2025
Author(s):
Chad White, Bryan M. Birdwell, Jerry A. Holland, and Michael G. Hernandez
Publication:
Concrete International
Volume:
47
Issue:
8
Abstract:
This article discusses differences between ordinary portland cement (Type I/II) and portland-limestone cement (Type IL) concrete based on direct observations and reports from concrete finishers. Developing an understanding of how these two concrete types differ from each other can help contractors modify and adapt finishing practices to avoid possible issues during placement.
CI4706Silfwerbrand
June 1, 2025
Johan L. Silfwerbrand
6
Concrete columns are traditionally produced by placing concrete into a mold or form. Assembling and then removing the formwork takes time and labor; and eventual replacement of the formwork leads to increased material use and transport costs. A new alternative, a permanent three-dimensionally (3-D) printed concrete form in which a core is cast with self-consolidating concrete, was investigated in this project.
CI4706PeriTechSpotlight
An improvement project on a 23-mile (37 km) section of Interstate 17 (I-17) in Arizona, USA, includes widening of 15 miles (24 km) of roadways, replacing two bridges, widening of 10 additional bridges, and constructing 8 miles (13 km) of flex lanes. PERI USA provided customized and fully rentable formwork/falsework for concrete construction on this project.
CI4610CPCstatement
October 1, 2024
46
10
There has been a trend toward replacing the production of Type I/II and II/V cements with Type IL cement or portland limestone cement (PLC). PLC exhibits greater variability from source to source which can lead to challenges such as altered initial setting characteristics, variations in compressive strength gain rates, and changes in bleed rates. This necessitates adjustments to mixture designs, placing and finishing techniques, and polishing methods.
SP-363-4
July 1, 2024
Naveen Saladi, Chandni Balachandran, Robert Spragg, Zachary Haber, and Benjamin Graybeal
Symposium Papers
363
Corrosion of steel reinforcement is one of the primary contributing factors to bridge deck deterioration. Based on the extent of corrosion, different corrosion mitigation strategies can be used to extend the service life of a bridge deck. Bridge deck overlays are efficient tools in reducing active corrosion. While there are multiple overlay solutions that are commonly deployed, including concrete-based and polymer-based systems, ultra-high performance concrete (UHPC) overlays have gained interest from bridge owners in recent years. Another corrosion mitigation strategy is the application of corrosion-inhibiting chemicals and sealers to a concrete surface to reduce the ingress of deleterious ions. The purpose of this paper is to compare different corrosion mitigation strategies and study the effects of such techniques on the bond between the UHPC overlay and the substrate concrete. UHPC overlays were found to be effective in reducing corrosion rates by more than 50 percent. Sealers and corrosion inhibitors applied to the concrete substrate in combination with placing a UHPC overlay reduced the corrosion rates even further. However, sealers and corrosion inhibitors appeared to negatively affect bond strength, potentially increasing the likelihood of overlay delamination.
DOI:
10.14359/51742107
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