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Concrete Cracks Heal Themselves
In the human body, small wounds are easily treated by the body itself, requiring no further care. For bigger wounds to be healed, the body may need outside assistance. Concrete is like a living body,...
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Building with Recycled Concrete
Farmington Hills, MI - Every day we are impacted by recycled materials. We dry our hands with recycled paper towels, drink our coffee from recycled paper cups, and even drink our water from recycled...
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Aging Infrastructure Requires a Better Understanding of the Long-Term...
Long-term durability is a major issue for today's infrastructure. In order to create concrete bridges with longer service lives and better performance, we must better understand the long-term behavior...
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American Concrete Institute Announces Winners of Inaugural Excellence in...
The American Concrete Institute (ACI) announced the winners of the 2015 Excellence in Concrete Construction Awards, who were honored during the ACI Awards Gala at the Concrete Convention &...
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How Ductility of Concrete Can Influence the Structural Performance of...
Research on reinforced Engineered Cementitious Composites shows that they can improve infrastructure sustainability by reducing the amount of repair and maintenance needed during the service life.
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Sustainable and Safe Concrete Structures? Testing the Seismic Behavior of...
Recently, the first full-scale experiments on recycled concrete structures were made and one of the tests was rather ambitious: the structures were subjected to horizontal forces until they collapsed...
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Protecting the Environment From the Harmful Effects of Natural Sand Mining
Due to the environmental effects of natural sand mining, the regulations discourage the use of natural sand for concrete manufacture. Research shows using crushed sand in self-consolidating concrete is...
View Article2015 ACI Excellence In Concrete Construction Award Winners
The ACI Excellence in Concrete Construction Awards provides a platform to recognize concrete projects at the forefront of innovation and technology, and showcases these projects to inspire excellence...
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Measured Load Capacity of Buried Reinforced Concrete Pipes
New concrete research indicates that critical crack does not develop until after the specified service load has been surpassed, suggesting that current pipe designs are overly conservative.
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Study on the Influence of Column Size and Slab Slenderness on Punching Strength
This study shows that slenderness has an important influence on the punching strength of slabs with shear reinforcement, despite the fact that it is neglected in many codes of practice.
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Cyclic Lateral Testing of Precast Concrete T-Walls in Fast Low-Rise Construction
An innovative precast concrete (PC) T-wall panel system was developed to enhance constructability and lateral load resistance of fast-track, low-rise buildings.
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Earthquake Research in New Zealand on Damaged Buildings
University of Auckland researchers test frame components from a 20-story building damaged during the 2010-2011 Canterbury earthquakes to help engineers improve earthquake design and assessment guidelines
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Applicability of Using Waste Rubber in Structural Applications
Research shows that utilizing recycled rubber derived from scrap vehicle tires can significantly contribute to the development of semi-lightweight and lightweight concrete.
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Innovative Mixtures Can Reduce Life Cycle Costs in Concrete Pavement Repair
New concrete pavement repair research shows that using nanomaterials can improve long-term performance and durability, and reduce life-cycle costs.
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Fiber-Reinforced Bowling Ball Student Competition Winners
Student teams from around the world competed in the recent ACI Fiber-Reinforced Concrete Bowling Ball Competition. During this event, students were challenged to design and construct a fiber-reinforced...
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Rapid Repair of Severely Damaged Concrete Columns After an Earthquake
Repair of damaged bridge columns following an earthquake is a good alternative to replacement. New repair method shows benefits include cost savings, reduction in construction time, and decreased...
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New Computational Modeling Procedure Developed for Estimating Behavior of...
Fire causes extensive financial losses due to property damage, as well as endangers the life and well-being of occupants. This new study throws light on the behavior of reinforced concrete members...
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Bond of Reinforcement in High-Strength Concrete
This paper describes an examination of the development of tension lap splices in high strength concrete and the applicability of the restriction in the ACI 318 code where the values of (square root)fc'...
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Seismic Response of Fiber-Reinforced Concrete Coupled Walls
Use of Fiber-Reinforced Concrete in construction will allow for the use of less and simpler steel reinforcement while maintaining good structural behavior and potentially reducing the amount of...
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American Concrete Institute Announces New Concrete Repair Code
The code requirements represent a major milestone in the industry--not only is it the first material-specific set of requirements for repair materials, but it also serves as ACI's first code...
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