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RISAmplitude-Dependent Damping in Vibration Serviceability: Case of a Laboratory Footbridge
Publisher: American Society of Civil Engineers
Abstract: Construction technology advancements in the last couple of decades have led to the use of lightweight and high-strength materials in structural systems. Although longer spans and lighter materials result in floor systems ...
Self-Organizing Maps for Structural Damage Detection: A Novel Unsupervised Vibration-Based Algorithm
Publisher: American Society of Civil Engineers
Abstract: The study presented in this paper is arguably the first study to use a self-organizing map (SOM) for global structural damage detection. A novel unsupervised vibration-based damage detection algorithm is introduced using ...
Nonparametric Structural Damage Detection Algorithm for Ambient Vibration Response: Utilizing Artificial Neural Networks and Self-Organizing Maps
Publisher: American Society of Civil Engineers
Abstract: This study presentes a new nonparametric structural damage detection algorithm that integrates self-organizing maps with a pattern-recognition neural network to quantify and locate structural damage. In this algorithm, ...
Simplified Vibration Serviceability Evaluation of Slender Monumental Stairs
Publisher: American Society of Civil Engineers
Abstract: Slender monumental stairs are major architectural features in many high-end building structures. Architectural requirements for these are usually very aggressive, with long spans and slender stringers being the norm. The ...
Self-Organizing Maps for Structural Damage Detection: A Novel Unsupervised Vibration-Based Algorithm
Publisher: American Society of Civil Engineers
Abstract: The study presented in this paper is arguably the first study to use a self-organizing map (SOM) for global structural damage detection. A novel unsupervised vibration-based damage detection algorithm is introduced using ...
Nonexplosive Deconstruction of Steel Girder Highway Bridges
Publisher: American Society of Civil Engineers
Abstract: While the transportation system of the United States rapidly ages and expands, there is increasing demand for the demolition, replacement, modification, or rehabilitation of existing bridges; all of these actions require ...
Investigation of Uplift Pressures on a Drainage Shaft Using ANSYS SOLID185 Elements and Drucker–Prager Failure Criterion for the Surrounding Rock Stratum
Publisher: ASCE
Abstract: This paper presents an assessment study conducted to investigate the structural condition of a drainage shaft that is part of a very large aqueduct system located in the Northeastern United States. A comprehensive ...
Finite-Element Analysis of Cantilever Slab Deflections with ANSYS SOLID65 3D Reinforced-Concrete Element with Cracking and Crushing Capabilities
Publisher: American Society of Civil Engineers
Abstract: This paper presents a finite-element (FE) study conducted to investigate the deflections of newly constructed cantilevered slabs built for a medical facility expansion. From the beginning of the construction stage, the ...
Web Crippling Strength of Steel Deck Subjected to End One Flange Loading
Publisher: American Society of Civil Engineers
Abstract: Cold-formed steel deck profiles are extensively used in building construction due to their versatility and economy. Web crippling is one of the failure modes of these multiweb profiles. The provisions for web crippling ...
Unreinforced Masonry Façade Assessment of a Historic Building for Excessive Displacements Due to a Nearby Subway Construction
Publisher: American Society of Civil Engineers
Abstract: There have been numerous publications on unreinforced masonry construction in the literature; however, there is a lack of publications on the condition assessment of existing unreinforced masonry façades for disturbances ...