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RISRevisiting Gust Averaging Time and Gust Effect Factor in ASCE 7
Publisher: American Society of Civil Engineers
Abstract: A peak gust–based wind map was first introduced in ASCE 7-95 to replace the fastest mile wind speed used in earlier versions of the ASCE 7 standard based on wind records using the National Weather Service (NWS) F420C cup ...
Gust-Front Factor: New Framework for Wind Load Effects on Structures
Publisher: American Society of Civil Engineers
Abstract: In comparison with atmospheric boundary layer winds, which are customarily treated as stationary, winds associated with gust fronts originating from a thunderstorm/downburst exhibit rapid changes during a short time period, ...
Peak Factors for Non-Gaussian Load Effects Revisited
Publisher: American Society of Civil Engineers
Abstract: The estimation of the extreme of non-Gaussian load effects for design applications has often been treated tacitly by invoking a conventional peak factor on the basis of Gaussian processes. This assumption breaks down when ...
Near-Real-Time Hybrid System Identification Framework for Civil Structures with Application to Burj Khalifa
Publisher: American Society of Civil Engineers
Abstract: This study proposes a near-real-time hybrid framework for system identification (SI) of structures using data from structural health monitoring systems. To account for both stationary/weakly nonstationary response under ...
Near-Real-Time Hybrid System Identification Framework for Civil Structures with Application to Burj Khalifa
Publisher: American Society of Civil Engineers
Abstract: This study proposes a near-real-time hybrid framework for system identification (SI) of structures using data from structural health monitoring systems. To account for both stationary/weakly nonstationary response under ...
Performance Evaluation of Database-Enabled Design Frameworks for the Preliminary Design of Tall Buildings
Publisher: American Society of Civil Engineers
Abstract: Database-enabled design (DED) frameworks offer convenient meshing of wind-tunnel driven databases with state-of-the-art analysis methodologies for the design of low-rise to high-rise buildings. These procedures can serve ...
e-Analysis of High-Rise Buildings Subjected to Wind Loads
Publisher: American Society of Civil Engineers
Abstract: The NatHaz Aerodynamic Loads Database (NALD) (http://aerodata.ce.nd.edu) introduced in 2000 has served an important first step in establishing an on-line experimental archive of high-frequency base balance (HFBB) data for ...
Identification of Vortex-Induced Vibration of Tall Building Pinnacle Using Cluster Analysis for Fatigue Evaluation: Application to Burj Khalifa
Publisher: ASCE
Abstract: Pinnacles on top of tall buildings are vulnerable to vortex-induced vibrations (VIVs). These structures may undergo large-amplitude vibrations that can lead to fatigue damage accumulation. To assess the performance of ...
Generalized Wind Loading Chain: Time-Frequency Modeling Framework for Nonstationary Wind Effects on Structures
Publisher: American Society of Civil Engineers
Abstract: This study proposes a generalized wind loading chain to describe a complete relationship among wind, force, and response induced by nonstationary wind events such as tropical storms or downbursts to complement the Davenport ...
Frequency Domain State Space–Based Mode Decomposition Framework
Publisher: American Society of Civil Engineers
Abstract: For system identification of structures using responses comprised of contributions from multiple modes, one usually decomposes responses into individual modes prior to identifying parameters such as natural frequency, ...