Hashemite University

AI-Enabled Performance-Based Procurement and Life-Cycle Maintenance of Highway Bridges: Integrating Single-Bid Risk Analytics and PPP Payment Optimization

Abstract Aging bridges, tight budgets, and procurement inefficiencies require a data-driven approach to maintenance contracts. Existing evidence shows that information and communication technology (ICT)–based construction management improves site productivity but remains unevenly...

Game-Theoretic Design of International Construction Contracts: Integrating Liquidated Damages, Consortium Structures, and Performance Guarantees

Abstract Delays and cost overruns remain endemic in international infrastructure projects. This study develops a unified game-theoretic for contractor schedule incentives under liquidated damages (LDs), extensions of time (EOTs), and multicontractor or consortium structures. We m...

Smoking-related knowledge, attitudes, and beliefs regarding cardiovascular and respiratory harms among health sciences students who currently smoke in Saudi universities

Tobacco smoking is a major preventable cause of cardiovascular and respiratory morbidity worldwide. Although conventional cigarettes are strongly linked to serious chronic diseases, e-cigarettes generally result in lower toxicant exposure than conventional cigarettes but are not...

Does vitamin D supplementation modulate metabolic risk factors of cardiovascular disease? A systematic review and meta-analysis of clinical trials.

BACKGROUND AND OBJECTIVES: Vitamin D has been proposed to influence several cardiometabolic risk factors; however, evidence from randomized controlled trials (RCTs) and recent meta-analyses remains inconsistent regarding the magnitude of these effects. This meta-analysis evaluate...