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Effectiveness of Tuned Mass Dampers against Ground Motion Pulses
Publisher: American Society of Civil Engineers
Abstract: It is known that the effectiveness of tuned mass dampers (TMDs) decreases as the input duration shortens. As a result, their use is commonly discouraged against short-duration, pulse-like ground motions, such as those ...
Selection of Degrees of Freedom for Dynamic Analysis
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: A technique for the selection of dynamic degrees of freedom (DDOF) of large, complex structures for dynamic analysis is described and the formulation of Ritz basis vectors for static condensation ...
Connection of Concrete Railing Post and Bridge Deck with Internal FRP Reinforcement
Publisher: American Society of Civil Engineers
Abstract: The use of fiber-reinforced polymer (FRP) reinforcement is a practical alternative to conventional steel bars in concrete bridge decks, safety appurtenances, and connections thereof, as it eliminates corrosion of the steel ...
Study of Mitigation Strategies for Progressive Collapse of a Reinforced Concrete Commercial Building
Publisher: American Society of Civil Engineers
Abstract: This paper describes progressive collapse assessment of an existing reinforced concrete commercial building. Prescriptive guidelines available to date are evaluated in light of alternate load path predictions. The building, ...
Steel Post-and-Beam Barrier with GFRP-Reinforced Concrete Curb and Bridge Deck Connection
Publisher: American Society of Civil Engineers
Abstract: This paper discusses the crashworthiness of prototype steel post-and-beam barriers [Ministry of Transportation of Québec (MTQ) Type 210] whose concrete curb-to-bridge deck connection is reinforced with corrosion-resistant ...
Acoustic Emission Monitoring of Reinforced Concrete under Accelerated Corrosion
Publisher: American Society of Civil Engineers
Abstract: The development of techniques capable of evaluating the deterioration of reinforced concrete structures is instrumental to the advancement of structural health monitoring (SHM) techniques and service life estimate methodologies ...
Carbon Neutral Off-White Rice Husk Ash as a Partial White Cement Replacement
Publisher: American Society of Civil Engineers
Abstract: Large amounts of rice husk ash (RHA) are produced every year worldwide, and difficulties related to its disposal may cause this product to become an environmental hazard. Owing to its high amorphous silica content, RHA has ...
Novel Test Method for Ultimate Hoop-Strain Characterization in FRP Jackets
Publisher: American Society of Civil Engineers
Abstract: The use of externally bonded fiber-reinforced polymer (FRP) laminates is an effective solution to increase the strength and deformability of reinforced concrete columns. A critical parameter in predicting the ultimate ...
Corrosion Damage Quantification of Prestressing Strands Using Acoustic Emission
Publisher: American Society of Civil Engineers
Abstract: Steel degradation due to corrosion in prestressed concrete bridges has been of major concern as it presents a threat to the integrity of structures adjacent to marine environments or where deicing salts are regularly used. ...
Distributed Strain Measurement in Steel Bridge with Fiber Optic Sensors: Validation through Diagnostic Load Test
Publisher: American Society of Civil Engineers
Abstract: Fiber optic sensing technologies are emerging as valid alternatives for the health monitoring of civil structures. Distributed sensors based on Brillouin scattering add the unique capability of measuring strain and temperature ...
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