Slag Cement Association honors 2016 Project of the Year award winners

Award winning projects from around the country were presented by the Slag Cement Association  at the American Concrete Institute’s Spring Convention last month in Detroit, Michigan.

The Slag Cement Project of the Year Awards were given to eight outstanding projects in the categories of architectural, durability, green design, high performance, innovative applications, and sustainability.

Member companies and project teams were on site to accept the awards.   “It is important to acknowledge the outstanding work these companies are doing with slag cement,” said Ed Griffith, president, Slag Cement Association.

“The construction industry should look to these examples as case studies for the increased durability, resilience and sustainability that slag cement brings to a concrete mix design.”

Awarded projects include:

Oceanfront Residence  Category: Architectural

This unique residential project used 1,300 yards of concrete in the supporting structure, tennis pavilion, stairs, benches and even planters.  Strength achieved using 40% slag cement allowed the architect to maximize the views by designing long spans using post-tensioned and high-strength concrete. Member Company: LafargeHolcim  

The Rowan   Category: Architectural

Slag cement was used in all elements of the 5,200-cubic yard structure, replacing 34% of the total cementitious material in the San Francisco building. The architect purposefully took all the structure to the exterior of the building creating a unique exoskeleton appearance. Member Company: Lehigh Hanson    

Revive I-275  Category: Durability

Michigan DOT spent $75 million to replace 88 lane miles of pavement on I-275.  The department specified slag cement to provide superior durability, alkali silica reaction (ASR) mitigation, and a basis for stable development of air entrainment. Member Company: LafargeHolcim      

University of Notre Dame Campus Crossroads Project  Category: Green Design

This $400 million, LEED Silver project consisted of attaching three new buildings onto the existing iconic football stadium.  Despite using the slag cement at 70%, the 29-day design strengths were typically obtained in only 7 days. Member Company: LafargeHolcim    

SLS LUX  Category: High Performance

The 57-story tower utilized between 40 and 50% slag cement in most (90%) of its concrete.  Slag cement allowed for high strength concrete columns using local materials and aided in the project being completed on time. Member Company: Lehigh Hanson 

Ten Hudson Yards  Category: High Performance

This 50-story, 895-foot-tall project consisted of 107,000 cubic yards of concrete.  The design required high strength concrete of 14,000 psi in its foundation and lower shear walls.  Slag cement was used achieve required strength while minimizing heat gain in mass concrete. Member Company: LafargeHolcim    

ODOT Rt. 6 Bridge Category: Innovative Application

This project utilized “Accelerated Bridge Construction”, sliding two bridges into place to minimize traffic disruption.  Slag cement was used in the wing walls, superstructure, bridge deck and barrier walls at 25% replacement of portland cement and was the “ideal material” for high strength and lower permeability needed for the durability of the bridge. Member Company: Votorantim Cimentos/St. Marys Cement

St Pete-Clearwater International Airport  Category: Sustainability

Included the rehabilitation of 16,000 cubic yards of airport apron pavement.  Slag cement contributed to superior strength gain where time was critical to maintain airport operations and the lighter color increased tarmac visibility.   Member Company: Argos USA

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