Wind Vulnerability of Flexible Outdoor Single-Post Billboards

Article Chemistry, Multidisciplinary

Wind Loads on Overhead Sign Structures: A Comparative Study

Aly Mousaad Aly et al.

Summary: In this study, Computational Fluid Dynamics (CFD) was used to compare the aerodynamics of standard, porous, and curved road signs. The results show that porous and curved overhead signs can effectively decrease aerodynamic loads, reducing damage and improving safety on roadways.

APPLIED SCIENCES-BASEL (2023)

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Review Chemistry, Analytical

Non-Destructive Techniques for the Condition and Structural Health Monitoring of Wind Turbines: A Literature Review of the Last 20 Years

Marco Civera et al.

Summary: A complete surveillance strategy for wind turbines includes both condition monitoring of their mechanical components and structural health monitoring of their load-bearing structural elements. This article reviews over 300 scientific articles, technical reports, and other documents, highlighting the latest developments in the last two decades and influential research works. It also provides examples of relevant applications for each monitoring strategy.

SENSORS (2022)

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Article Engineering, Civil

Probabilistic Prediction of Failure in Columns of a Steel Structure Under Progressive Collapse Using Response Surface and Artificial Neural Network Methods

Fahime Naghavi et al.

Summary: This study focuses on estimating the failure probability of columns in structures experiencing progressive collapse, using probabilistic analysis and sensitivity analysis. The results obtained have implications for rehabilitating damaged structures with guidance on the effective role of random variables in structural responses.

IRANIAN JOURNAL OF SCIENCE AND TECHNOLOGY-TRANSACTIONS OF CIVIL ENGINEERING (2022)

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Article Engineering, Civil

Reliability Analysis of Prestressed Concrete Bridges in Mexico: Assessment and Live Load Factors Proposal

Rolando Salgado-Estrada et al.

Summary: This research focuses on the reliability assessment of prestressed simply supported Mexican bridges, showing the impact of different live load models on safety levels. The study proposes new live load factors for bridges with spans longer than 20 m to achieve the target reliability index of 3.5, providing a methodology for evaluating bridge infrastructure with similar truck overloading issues.

INTERNATIONAL JOURNAL OF CIVIL ENGINEERING (2021)

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Article Energy & Fuels

The role of the power law exponent in wind energy assessment: A global analysis

Christopher Jung et al.

Summary: This study aimed to quantify the error in wind potential assessments resulting from applying the mean of the power law exponent or a value of 0.14. It was found that using the mean of the power law exponent may lead to minor errors in capacity factor estimation in many regions where the wind resource is abundant.

INTERNATIONAL JOURNAL OF ENERGY RESEARCH (2021)

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Article Engineering, Mechanical