CPCI_Introduction_Preast_n - Parking Garages A Brief...

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A Brief History of Precast Concrete Parking Garages Bridge Girders Precast Wall Cladding
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The History - Precast Concrete •Roman Empire - 2,000 years ago •Pozzolana cement Concrete technologies lost dark ages •Portland cement invented in early 19th Century
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The History - Precast Concrete •Technology and engineering improved •First use of reinforced concrete for bridges. Same advances in technology and engineering brought first use of precast concrete.
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The History - Precast Concrete Bridge Girders •Explosion of technologies after the Second World War •Further experiments with new products Quality steel allowed development of prestressing and design innovations •Made precast concrete girders and factory wall panels •High strength concrete was developed Admixtures increased concrete’s performance •Specialty trucks cranes evolved •Many new design ideas.
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The History - Precast Concrete Bromley Place – 31 stories •Prestressed concrete started in Canada in 1952.
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