Download Bridge Design and Evaluation: LRFD and LRFR by Gongkang Fu PDF

By Gongkang Fu

A succinct, real-world method of entire bridge approach layout and evaluation

Load and Resistance issue layout (LRFD) and cargo and Resistance issue ranking (LRFR) are layout and overview tools that experience changed or provided choices to different conventional equipment because the new criteria for designing and load-rating U.S. street bridges. Bridge layout and overview covers entire bridge structures (substructure and superstructure) in a single succinct, potential package deal. It provides real-world bridge examples demonstrating either their layout and assessment utilizing LRFD and LRFR. Designed for a three- to 4-credit undergraduate or graduate-level direction, it offers the basics of the subject with out increasing needlessly into complex or really good topics.

Important gains include:

Exclusive specialise in LRFD and LRFR
Hundreds of images and figures of actual bridges to attach the theoretical with the practical
Design and assessment examples from actual bridges together with real bridge plans and drawings and layout methodologies
Numerous workout problems
Specific layout for a three- to 4-credit direction on the undergraduate or graduate level
The merely bridge engineering textbook to hide the $64000 issues of bridge assessment and rating
Bridge layout and assessment is the main updated and inclusive creation to be had for college kids in civil engineering focusing on structural and transportation engineering.

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Extra resources for Bridge Design and Evaluation: LRFD and LRFR

Sample text

The span length was from 10 to 200 ft. The analysis covered the component’s bending and shear limit states, but not deflection, cracking, and so on. 2. Establishment of Reliability Model for Selected Bridge Types and Components The model used in this calibration is given in Eq. 4-4, which is a linear function of the variables R and Q . However, since not all the variables are normal variables, Eqs. 4-11 are not valid. Therefore, the first-order approximation method described in Eqs. 4-13 was used to perform the reliability analysis needed in the calibration.

4 Safety 29 multiple trucks on the span). Therefore, the Monte Carlo simulation was used to generate pseudorandom samples of truck loads and their locations on the bridge to extract such information. However, it should be noted that such computer-aided simulation is based on a number of assumptions, which need to be validated. 3. Selection of Target Reliability Index The target reliability index was defined as the one accepted then, which is further understood as the average reliability index level embedded in the current bridge design specifications then.

Wood components need to be treated with preservatives. Aluminum products shall be electrically insulated from steel and concrete components to be protected from possible corrosion. Protection shall be provided to materials susceptible to damage from solar radiation and/or air pollution. Consideration shall be given to the durability of materials in direct contact with soil and/or water. To prevent water from remaining near the edge of a concrete deck, a continuous drip groove is required along the deck’s underside at a distance less than 10 in.

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