Replacing the East Bay bridge

Article Abstract:

This article describes renovation of the San Francisco-Oakland Bay Bridge damaged by the Loma Prieta earthquake. Four new structures consisting of a low-rise posttensioned concrete box grider span, the skyway, a suspension signature span, and a doubly posttensioned concrete box grider, all seismologically sound are incorporated in the design.

Standards, Remodeling and renovation, Earthquake resistant design, Bridges, Iron and steel, Steel bridges, Bridges, Concrete, Concrete bridges, San Francisco-Oakland Bay Bridge

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Re-creating the rainbow bridge

Article Abstract:

The article describes the design and construction of a bridge using ideas from 12th-century China's construction methods. Chinese and American engineers team ventured to build a rainbow bridge with large stones and beams as two interlocking arches woven around cross beams for support.

Usage, Innovations, Influence, Chinese, Chinese (Asian people), Engineering design, Girders, Beams (Structural)

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Updated traffic system enhances bridge safety

Article Abstract:

This article reports on the construction of a twin suspension bridge which links New Castle, Delaware, and Pennsville. The project is financed by the Delaware River and Bay Authority.

Brief Article

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