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Date 17/03/2009

Lafarge MaxCem Cement to Help Tuttle Creek Dam Withstand Midwest Earthquake

Herndon, VA

Lafarge North America Inc.

 

Largest foundation stabilization project on an operational dam is relying on a Lafarge high-performance blend of slag and portland cements to meet enhanced strength requirements.

 

Lafarge, the largest supplier of cement products in the U.S. and Canada, is working with Treviicos Corporation, an internationally known geotechnical and foundation contractor, to help improve the Tuttle Creek Dam on the Big Blue River near Manhattan, KS, so it can withstand a magnitude 6.6 earthquake. U.S. Army Corps of Engineers regulations state that all dams "are required to survive and remain safe during and following the maximum credible earthquake event," which is defined as a 6.6-magnitude quake in Kansas.

 

As the word's largest foundation stabilization project on an operational dam, the multi-year structural modification work involves jet grouting, deep soil mixing, and introducing cement into foundation sands. Lafarge worked closely with Treviicos to test various combinations of portland and slag cements to meet specifications requiring a minimum strength of 170 psi over an area 6,000 feet long to a depth of more than 200 feet.

 

Based on test results and an inspection of Lafarge's local state-of-the-art manufacturing and distribution capabilities, it was determined that Lafarge MaxCem brand blended cement would be the most reliable solution for this dam safety-assurance project, the largest ever undertaken by the Army Corps of Engineers. Suitable for use in virtually all concrete applications, Lafarge MaxCem is an engineered blend of slag and portland cements that provides enhanced strength, durability, workability, and placeability characteristics. Its use also provides a significant contribution to sustainable construction.

 

Built in 1963, Tuttle Creek Dam is a 1.5-mile-long rolled-earth and rockfill structure nine miles upstream from the confluence of the Blue and Kansas Rivers and 125 miles west of Kansas City, MO. The seismic stabilization project, scheduled for completion in September 2010, will require 75,000 tons of the 50/50 MaxCem blended cement.

Contact:

Steve Meima,

Lafarge North America

703-480-3808

INFORMATIONS COMPLÉMENTAIRES

Leader mondial des matériaux de construction, Lafarge occupe une position de premier plan dans chacune de ses activités : Ciment, Granulats & Béton et Plâtre. Avec 78 000 collaborateurs dans 78 pays, le Groupe a réalisé en 2009 un chiffre d'affaires de 15,9 milliards d'euros.


En 2010, pour la sixième année consécutive, Lafarge est répertorié dans la liste des 100 multinationales les plus engagées en matière de développement durable. Doté du premier centre de recherche au monde sur les matériaux de construction, Lafarge place l'innovation au cœur de ses préoccupations, au service de la construction durable et de la créativité architecturale.

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