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free reinforced concrete design manual

Bridge Design Manual - LRFD.pdf

Taken from Implementation: Load and Resistance Factor Design (LRFD) is a design methodology that makes use of load and resistance factors based on the known variability of applied loads and material properties. In 1994, the American Association of State Highway and Transportation Officials (AASHTO) published the first AASHTO Load and Resistance Factor Bridge Design Specifications. The Federal Highway Administration (FHWA) has mandated the use of LRFD for all bridges for which the Texas Department of Transportation (TxDOT) initiates preliminary engineering after October 2007.

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Hydraulic Design Manual.pdf

Taken from introduction: The hydraulic design or analysis of highway drainage facilities usually involves a general procedure that is essentially the same for each case. Some of the basic components inherent in the design or analysis of any highway drainage facility include data, surveys of existing characteristics, estimates of future characteristics, engineering design criteria, discharge estimates, structure requirements and constraints, and receiving facilities.
Time, expense, focus, and completeness of the design or analysis process should all be commensurate with the relative importance of the facility, that is, its cost, level of use, public safety, and similar factors. These aspects of the design process are often subjective. The funding or time constraints associated with any engineered project often are determining factors in the designer’s involvement.

Bridge Design Aids - April 2005.pdf

Great Collection ebook about Bridge Design, owned by California Department of Transportation and available freely to download.




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