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Publikováno v:
Civil Engineering Magazine. 82:50-67
On Tuesday, August 23, 2011, at approximately 1:51 PM (eastern daylight time), an earthquake with a moment magnitude of 5.8 was recorded by the U.S. Geological Survey within the Central Virginia Seismic Zone. Centered near Mineral, Virginia, approxim
Autor:
Emma Cardini, Erik Conrad Sohn
Publikováno v:
AEI 2013.
There are many reasons that architects, engineers, contractors, and others may require access to the exterior of a building or to the underside of a bridge structure. Often times suspended scaffolding, supported scaffolding, mast climbers, aerial wor