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RISReliability Analysis of Structures by Active Learning Enhanced Sparse Bayesian Regression
Publisher: American Society of Civil Engineers
Abstract: Adaptive sampling near a limit state is important for metamodeling-based reliability analysis of structures involving an implicit limit state function. Active learning based on the posterior mean and standard deviation ...
Concrete Prepared Using Electrolyzed Water Revealed Benefits in Controlling the Early Age Properties
Publisher: ASCE
Abstract: To facilitate rapid hardening of concrete and to increase production rate, particularly at the precast manufacturing site, the use of electrolyzed water containing molecular hydrogen (H2) and hydroxyl ions (OH-) would be ...
Gaussian Mixture–Based Autoregressive Error Model with a Conditionally Heteroscedastic Hierarchical Framework for Bayesian Updating of Structures
Publisher: American Society of Civil Engineers
Abstract: The heteroscedastic Bayesian model updating framework assigned different variances to the modal errors using heteroscedastic parameters modeled by gamma distributions. However, the error density shows significant asymmetry, ...
Response of Bridges Isolated by Shape Memory–Alloy Rubber Bearing
Publisher: American Society of Civil Engineers
Abstract: The present paper deals with optimum performance of the shape memory–alloy-based rubber bearing (SMARB) compared with the conventionally adopted lead rubber bearing (LRB) for isolating the bridge deck against a random ...