This video explains the two most common types of prestressed concrete: pre-tensioned and post-tensioned. Prestressed concrete is used in all kinds of structures from bridges to buildings to silos ...

Project: LEMON STREET ADA RAMP REPLACEMENTS: Project generally consists of replacing fourteen concrete ADA ramps ... at pennbid.procureware.com. A pre-bid meeting followed by a site visit will ...

1. It all begins at the prestressed concrete plant. 2. This is called a prestressing strand. Made of high strength steel, it will soon be embedded in concrete. 3. The prestressing strand is ...