Cement is created by a complex process involving multiple ingredients, testing is therefore essential to ensure compliance with specification and application requirements. Alfonso Rivera, Technical Department and Field Service Manager for materials testing ELE International, UK, reports.
From its completion in 1937 to the construction of the Verrazano-Narrows Bridge in New York in 1964, the Golden Gate Bridge had the longest main span in the world. It now stands as an iconic landmark in San Francisco. Kathryn Allen reports.