Incremental Dynamic Analysis
View article: Comparative Study of Seismic Isolated and Non‐Isolated PECs With Bottom Steel Frames Through Shaking Table Tests
Comparative Study of Seismic Isolated and Non‐Isolated PECs With Bottom Steel Frames Through Shaking Table Tests Open
A prefabricated equipment cabin (PEC) with a bottom steel frame is used in actual modular cabin‐type substations for equipment routing and maintenance. In this paper, the installation of lead‐core rubber bearings between the PEC and the fr…
View article: Waveform-Based Probabilistic Seismic Hazard Analysis Using Ground-Motion Generative Models
Waveform-Based Probabilistic Seismic Hazard Analysis Using Ground-Motion Generative Models Open
In probabilistic seismic hazard analysis (PSHA), the exceedance probability of a ground-motion intensity measure (IM) is typically evaluated. However, in recent years, dynamic response analyses using ground-motion time histories as input h…
View article: Waveform-Based Probabilistic Seismic Hazard Analysis Using Ground-Motion Generative Models
Waveform-Based Probabilistic Seismic Hazard Analysis Using Ground-Motion Generative Models Open
In probabilistic seismic hazard analysis (PSHA), the exceedance probability of a ground-motion intensity measure (IM) is typically evaluated. However, in recent years, dynamic response analyses using ground-motion time histories as input h…
View article: The Importance of Structural Configuration in the Seismic Performance and Reliability of Buildings
The Importance of Structural Configuration in the Seismic Performance and Reliability of Buildings Open
The optimal performance of buildings strongly depends on their structural configuration, as it influences the structural response to expected loads during life service. For instance, structural arrangements oriented to reduce torsional eff…
View article: Systematic Selection of Ground Motion Intensity Measures Satisfying the Probabilistic Seismic Demand Analysis
Systematic Selection of Ground Motion Intensity Measures Satisfying the Probabilistic Seismic Demand Analysis Open
In performance-based seismic design theory, the accurate selection of ground motion intensity parameters is crucial for the probabilistic assessment of structural seismic performance. To achieve efficient, sufficient, applicable, and compl…
View article: Coupled Effects of Fire and Cyclic Loading on the Seismic Resilience of Steel Moment Resisting Frames
Coupled Effects of Fire and Cyclic Loading on the Seismic Resilience of Steel Moment Resisting Frames Open
Steel structures are significant in modern construction due to their high strength, durability and rapid construction. However, one of the primary vulnerabilities of steel is its performance under elevated temperatures. Therefore, degradat…
View article: Earthquake Parameters and Seismic Hazard. Examples of Specific Calculations
Earthquake Parameters and Seismic Hazard. Examples of Specific Calculations Open
We present examples of specific calculations for determining earthquake parameters and estimating the seismic hazard. First, we examine an earthquake occurred on May 25, 2021, in Vrancea, Romania. We show how to calculate the parameters of…
View article: Seismic Performance of RC Framed Structures with Equal and Single Setbacks on Both Sides
Seismic Performance of RC Framed Structures with Equal and Single Setbacks on Both Sides Open
Structural irregularities significantly influence the seismic behaviour of reinforced concrete (RC) framed buildings, often making them more vulnerable than regular frames. A single vertical setback provided symmetrically on both sides int…
View article: Seismic Performance of Mass Irregular RC Framed Structures
Seismic Performance of Mass Irregular RC Framed Structures Open
Stiffness irregularities are among the most critical factors affecting the seismic performance of reinforced concrete (RC) framed buildings. Abrupt reductions in stiffness—caused by weak storeys or sudden loss of lateral resistance—distort…
View article: Earthquake Ground Motion Characteristics as a Function of a Preprocessing Procedure
Earthquake Ground Motion Characteristics as a Function of a Preprocessing Procedure Open
To enable the engineering application of earthquake ground motion records, this study establishes a standardized preprocessing procedure and systematically analyzes how each preprocessing step affects the characteristics of the ground moti…
View article: Assessment of Tension-Only Concentrically Braced Steel Frames in Relation to Seismic Pounding
Assessment of Tension-Only Concentrically Braced Steel Frames in Relation to Seismic Pounding Open
This research examined the phenomenon of pounding between neighboring steel structures, both with and without tension-only braces, utilizing an extensive nonlinear time-history analysis. The evaluation of the structural response was conduc…
View article: Dynamic Performance of Stiffness Irregular RC Framed Structures against Seismic Loads
Dynamic Performance of Stiffness Irregular RC Framed Structures against Seismic Loads Open
Stiffness irregularities are among the most critical factors affecting the seismic performance of reinforced concrete (RC) framed buildings. Abrupt reductions in stiffness—caused by weak storeys or sudden loss of lateral resistance—distort…
View article: Seismic Performance Analysis of Hybrid Damped Structures in High-Intensity Seismic Regions
Seismic Performance Analysis of Hybrid Damped Structures in High-Intensity Seismic Regions Open
This study was conducted based on hybrid damping control theory, and an equivalent damping ratio calculation method was proposed. Additionally, a response calculation method for the elastoplastic stage of the hybrid control system was deve…
View article: Research on Seismic Capacity Values of Bridge Pile Group Foundations Based on a Data-Driven Approach
Research on Seismic Capacity Values of Bridge Pile Group Foundations Based on a Data-Driven Approach Open
Rapid assessment of seismic capacity for bridge pile group foundations under seismic loads is critical. This study employs the second-order central difference method to explore seismic capacity sensitivity and identify critical parameters.…
View article: Numerical experimental and theoretical investigation of reinforced concrete elements with rectangular spiral rebar for multi-behavior analysis
Numerical experimental and theoretical investigation of reinforced concrete elements with rectangular spiral rebar for multi-behavior analysis Open
Rectangular Spiral Rebar (RSR) is an innovative alternative to conventional ties, offering simplified construction and enhanced performance in reinforced concrete (RC) members. Despite its advantages, a comprehensive evaluation of RSR unde…
View article: Data-Driven Simulation of Near-Fault Ground Motions Using Stationary Wavelet Transform and Hilbert Analysis
Data-Driven Simulation of Near-Fault Ground Motions Using Stationary Wavelet Transform and Hilbert Analysis Open
Near-fault ground motions exhibit significant characteristics such as velocity pulses, rupture directivity, and strong vertical components, which pose serious threats to structural safety. However, near-fault ground motion records remain s…
View article: A Review on Earthquake Engineering and Seismic Risk Mitigation
A Review on Earthquake Engineering and Seismic Risk Mitigation Open
Earthquake engineering is a multidisciplinary field focused on understanding ground motion, structural response, and developing systems that minimize life and economic losses during seismic events. The rapid growth of urban infrastructure,…
View article: Seismic Performance and Collapse Fragility of a 765 kV Transmission Tower–Line System
Seismic Performance and Collapse Fragility of a 765 kV Transmission Tower–Line System Open
Based on a real-world project in Pakistan, this study investigates the seismic performance and collapse fragility of a 765 kV transmission tower–line system. A refined finite element model, incorporating three towers and four conductor spa…
View article: A Review on Earthquake Engineering and Seismic Risk Mitigation
A Review on Earthquake Engineering and Seismic Risk Mitigation Open
Earthquake engineering is a multidisciplinary field focused on understanding ground motion, structural response, and developing systems that minimize life and economic losses during seismic events. The rapid growth of urban infrastructure,…
View article: Time History Analysis of Irregular Shape Building
Time History Analysis of Irregular Shape Building Open
Irregular-shaped buildings have become increasingly common in modern construction due to architectural innovation, yet they pose significant challenges in seismic design because of their complex dynamic behavior. This study investigates th…
View article: Seismic Fragility of Fixed and Flexible Base RC Bridge under Near-Fault Directivity Effects
Seismic Fragility of Fixed and Flexible Base RC Bridge under Near-Fault Directivity Effects Open
Reinforced Concrete bridges are widely used in highway infrastructure due to their cost-effectiveness and structural redundancy. However, they are highly vulnerable to seismic hazards, particularly in near-fault regions where ground motion…
View article: Seismic response prediction for nonlinear isolation bridges using output only
Seismic response prediction for nonlinear isolation bridges using output only Open
In earthquake-prone regions, the rapid post-earthquake evaluation of numerous bridges poses a significant challenge, further exacerbated by infrastructure aging. While monitoring technologies are actively being developed to address this is…
View article: Numerical Analysis of Seismic Vulnerability and Dynamic Response of Underground Interchange Structures Under Traveling Wave Effects
Numerical Analysis of Seismic Vulnerability and Dynamic Response of Underground Interchange Structures Under Traveling Wave Effects Open
The underground interchange structure is a crucial component of urban underground construction facilities. Its seismic performance in soft ground under the influence of traveling-wave effects has not yet been studied. If not addressed in a…
View article: SHIELD System: Seismic Inertia Deactivated
SHIELD System: Seismic Inertia Deactivated Open
Despite remarkable advances in base isolation, damping systems, and performance based seismic design, conventional earthquake engineering remains reactive by nature. It addresses inertial forces only after they are generated, accepting def…
View article: Large-scale seismic vulnerability assessment of masonry buildings through a simplified methodology
Large-scale seismic vulnerability assessment of masonry buildings through a simplified methodology Open
Assessing the seismic vulnerability of existing building stocks is crucial for risk mitigation, especially in countries, like Italy, where historic masonry structures are prevalent and vulnerable to seismic events. This paper proposes a pr…
View article: Advancements in Seismic Demand Assessment Methods for High-Rise Buildings: A Comprehensive Review
Advancements in Seismic Demand Assessment Methods for High-Rise Buildings: A Comprehensive Review Open
Seismic demand evaluation is crucial for assessing the performance and safety of high-risebuildings under the effects of earthquakes. Over the years, several methodologiessuch asModal Pushover Analysis (MPA), Consecutive Modal Pushover Ana…
View article: Advancements in Seismic Demand Assessment Methods for High-Rise Buildings: A Comprehensive Review
Advancements in Seismic Demand Assessment Methods for High-Rise Buildings: A Comprehensive Review Open
Seismic demand evaluation is crucial for assessing the performance and safety of high-risebuildings under the effects of earthquakes. Over the years, several methodologiessuch asModal Pushover Analysis (MPA), Consecutive Modal Pushover Ana…
View article: Design and research on seismic intensity monitoring system for railway based on Kriging interpolation method
Design and research on seismic intensity monitoring system for railway based on Kriging interpolation method Open
Purpose This research aims to monitor seismic intensity along railway lines, study methods for calculating the extent of earthquake impact on railways and address practical challenges in estimating intensity distribution along railway rout…
View article: Seismic Structural Response and Loss Estimation for Dense Urban Districts Using Neural Network Parameterized Gaussian Process
Seismic Structural Response and Loss Estimation for Dense Urban Districts Using Neural Network Parameterized Gaussian Process Open
Earthquakes pose a major threat to urban areas, causing fatalities, injuries, and significant economic losses. This study proposes a Gaussian process parametrized by deep neural networks (DNN–GP) as an efficient surrogate for assessing sei…
View article: Experimentally Calibrated Nonlinear Hinge Models for H-Shaped Beams, HSS Columns, and H-Shaped Braces in Steel Frames
Experimentally Calibrated Nonlinear Hinge Models for H-Shaped Beams, HSS Columns, and H-Shaped Braces in Steel Frames Open
This study develops and validates a suite of computationally efficient nonlinear hinge models to enable accurate performance-based seismic assessment of steel moment-resisting frames (MRFs) and concentrically braced frames (CBFs). Derived …