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Probabilistic Formulation of Damage‐Evolution Law of Cementitious Composites
Publisher: American Society of Civil Engineers
Abstract: A model is proposed with a probabilistic evolution of damage in the material. The constitutive law is built through the development of a two‐level approach. The micro‐level is assumed to be constituted of elastic‐brittle ...
Simplified Approach of Nonlinearity in R‐C Beams
Publisher: American Society of Civil Engineers
Abstract: Nonlinear problems in structures are generally solved by using traditional finite‐element methods. The computations are often accurate, but they are also expensive. A simplified model could, however, be sufficient either ...
Effect of Intrinsic and Epistemic Uncertainties on the Multiobjective Optimal Design of a Hyperstatic Structure
Publisher: American Society of Civil Engineers
Abstract: Although variability in material properties and loading conditions is commonly accounted for in safety and reliability studies, this is not the case for model assumptions. In addition, many other uncertainties affect the ...
Markovian Bridge Maintenance Planning Incorporating Corrosion Initiation and Nonlinear Deterioration
Publisher: American Society of Civil Engineers
Abstract: For some materials, such as RC, there is an initiation phase of deterioration where aggressive agents such as chlorides diffuse into the concrete cover. It is necessary to model this initiation time when attempting to ...
Estimating Truck Aggressiveness Using a Multilinear Fatigue Model and a Viscoelastic Pavement Model
Publisher: American Society of Civil Engineers
Abstract: To increase freight efficiency, trucks are allowed to transport heavier loads without adding extra axles. The impact of this practice on infrastructure damage needs to be evaluated. This involves evaluating the fatigue ...
Estimating Truck Aggressiveness Using a Multilinear Fatigue Model and a Viscoelastic Pavement Model
Publisher: American Society of Civil Engineers
Abstract: To increase freight efficiency, trucks are allowed to transport heavier loads without adding extra axles. The impact of this practice on infrastructure damage needs to be evaluated. This involves evaluating the fatigue ...
Performance Indicators and Multicriteria Decision Support for Sewer Asset Management
Publisher: American Society of Civil Engineers
Abstract: A methodology is proposed for the development of decision criteria for sewer asset management. Six principles have been established and applied. (1) Criteria are developed for supporting the definition of investigation ...
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