Evaluation of Prestressed Concrete Bridges under Light Rail Loading

A field work study of four bridges in Denver, Colorado was conducted to assess the behavior of prestressed concrete bridges carrying light rail transit loadings.
20-Dec-2018 2:00 PM EST Add to Favorites

Effect of Geopolymer Aggregate on Strength and Microstructure of Concrete

The geopolymer investigated in this research shows potential as a lightweight coarse aggregate for concrete, with the additional benefit of reducing the environmental impact of fly ash from coal-fired power generation.
5-Dec-2018 1:00 PM EST Add to Favorites

Controlling Mass Concrete Effects in Large Diameter Drilled Shafts Using Full Length Central Void

A team of researchers, contractors, and state materials engineers concluded that the simple process of casting large diameter drilled shafts with a central void completely eliminated mass concrete conditions that can accompany large concrete...
30-Aug-2018 10:15 AM EDT Add to Favorites

Effects of Moisture, Temperature, and Freezing-and-Thawing on Alkali-Silica Reaction

Controlling or limiting the internal relative humidity (moisture) within concrete may prevent deterioration from occurring, or slow ongoing deterioration.
6-Aug-2018 10:00 AM EDT Add to Favorites

High-Volume Recycled Materials for Sustainable Transportation Infrastructure

The use of recycled concrete aggregate (RCA) in new concrete production can minimize the environmental impact associated with the construction industry.
23-May-2018 2:00 PM EDT Add to Favorites

Service-Load Behavior of Precast/Prestressed Concrete Beams with High-Quality Recycled Concrete Aggregates

The use of discarded/rejected precast concrete represents a significant opportunity as a source for clean recycled concrete aggregates with consistent properties and high quality.
3-May-2018 1:30 PM EDT Add to Favorites

Sustainability of Recycled Concrete Aggregate

The use of mineral admixtures in concrete produced with treated recycled concrete aggregate enhances both the mechanical and durability properties leading to sustainable development.
29-Mar-2018 9:00 AM EDT Add to Favorites

Experimental Behavior of GFRP-Reinforced Concrete Columns under Lateral Cyclic Load

The present study addresses the feasibility of reinforced concrete columns totally reinforced with glass fiber-reinforced polymer (GFRP) bars achieving the drift requirements specified in various codes.
7-Mar-2018 11:00 AM EST Add to Favorites

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