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CEMEX supplies concrete for unique high-rise office tower in Bochum, Germany

Date published: January 25, 2012

CEMEX is supplying 7,000 cubic meters of ready-mix concrete for the supporting structure of the Exzenterhaus (Eccentric House) Bochum, an unusual 89-meter tall office tower, built atop a WWII reinforced concrete air raid bunker. The building, with approximately 5,000 square meters of planned office space, stands on a central island in the middle of a major avenue near the center of the city of Bochum in western Germany.

CEMEX supplies concrete for unique tower in Germany

Exzenterhaus Bochum is a hybrid structure consisting of the original above-ground circular bunker, about 19 meters in diameter and 20 meters tall, with a circular 15 story high-rise tower affixed to the top of it. The tower consists of three vertical blocks of five oval stories each. The vertical centerline of each block protrudes “eccentrically” from the central axis of the tower, and their oval ground plans are arranged in an offset pattern to each other.

CEMEX supplies concrete for unique tower in Germany

CEMEX is meeting this unique structure’s challenging requirements. The need to reinforce the old bunker and affix the office tower above it, as well as the eccentric arrangement of the tower with its up to seven-meter high walls, called for careful selection of ready-mix concrete and precision pouring. The walls and ceilings required the highest quality face concrete to which fine-grain limestone chippings were added to gain strength, achieve good flow properties, and produce a finer finish.

CEMEX continually works to develop solutions for customers’ ever more complex challenges. Leveraging years of experience, a worldwide pool of knowledge, and state-of-the-art expertise, CEMEX constantly offers special products and services that fulfill customers’ increasingly demanding performance requirements.

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