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RISTransient Growth and Receptivity of Steady Disturbances to Irregular Rough Walls
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: Direct numerical simulations (DNS) are performed to investigate the transient growth of a steady disturbance induced by a numerically generated Gaussian rough wall in a laminar boundary layer. In the calculation of the ...
Field Study of Overload Behavior of an Existing Reinforced Concrete Bridge under Simulated Vehicle Loads
Publisher: American Society of Civil Engineers
Abstract: Overload attributable to increased vehicle loads is becoming an increasingly serious issue in highway transportation. Overload results in damages to bridge structures, degradation of their load-carrying capacities, and ...
Destructive Testing of a Decommissioned Reinforced Concrete Bridge
Publisher: American Society of Civil Engineers
Abstract: A destructive field testing of a simply supported channel-beam bridge was carried out to gain insight into the ultimate load-carrying capacity of existing RC bridges. Based on a field inspection and assessment of the ...
Vertical Jump Height Estimation Algorithm Based on Takeoff and Landing Identification Via Foot-Worn Inertial Sensing
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: Vertical jump height is widely used for assessing motor development, functional ability, and motor capacity. Traditional methods for estimating vertical jump height rely on force plates or optical marker-based motion capture ...
Influence of Further Corrosion on Structural Behavior of Corroded Reinforced-Concrete Beam Strengthened with Steel Plate Using Different Strengthening Schemes
Publisher: ASCE
Abstract: This paper presents the results of an experimental study investigating the mechanical behavior of corroded beams strengthened by three different strengthening schemes, and the influence of further corrosion on the structural ...
Internal Force Changes in the Failure Process of Existing Reinforced Concrete Arch Ribs
Publisher: American Society of Civil Engineers
Abstract: Experimental results were studied in detail for an existing reinforced concrete arch rib. Based on the static and modal experimental results, its stiffness was not reduced consistently, although it demonstrated fluctuation. ...
Cracking Risks, Durability, and Life-cycle Costs for RC Bridges Subject to Carbonation-induced Corrosion
Publisher: American Society of Civil Engineers
Abstract: Based on the corrected carbonation depth prediction model, this study develops a time-dependent structural reliability model to predict the probability of serviceability failure subject to carbonation-induced corrosion, ...
Prestress Loss Diagnostics in Pretensioned Concrete Structures with Corrosive Cracking
Publisher: ASCE
Abstract: Concrete cracking induced by strand corrosion can degrade bond strength and lead to prestress loss. A novel model is proposed to predict corrosion-induced prestress loss in pretensioned concrete structures. The coupling ...
Probabilistic Life Prediction for Reinforced Concrete Structures Subjected to Seasonal Corrosion-Fatigue Damage
Publisher: ASCE
Abstract: The coupled effect of corrosion and fatigue deteriorates the performance of reinforced concrete (RC) structures. This paper proposes a novel framework for the probabilistic life prediction of aging RC structures under ...
Corrosion Fatigue Crack Propagation Mechanism of High-Strength Steel Bar in Various Environments
Publisher: ASCE
Abstract: This paper investigated the corrosion fatigue crack propagation mechanism of high-strength steel bar HRB400 in various corrosive environments. Fatigue crack growth (FCG) tests were conducted under different fatigue loading ...