Search Results - "Ayman El-Zohairy"

Environmental Impact on the Behavior of CFRP Sheet Attached to Concrete by Al-Khafaji, Ayssar, El-Zohairy, Ayman, Mustafic, Mirnes, Salim, Hani

“…Carbon fiber-reinforced polymer (CFRP) has many advantages as a construction/structural-strengthening material. However, there are still concerns regarding the…”
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Enhancement of RC T‐beams toughness using laced stirrups reinforcement for blast response predictions by Allawi, Abbas A., Shubber, Arshad Nadhom, Al Gharawi, Mohanned, El‐Zohairy, Ayman, Ibrahim, Teghreed H., Al‐Ahmed, Ali Hussein Ali, Arafa, Ibrahim T.

“…The dynamic behavior of laced reinforced concrete (LRC) T‐beams could give high‐energy absorption capabilities without significantly affecting the cost, which…”
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Experimental and FE parametric study on continuous steel-concrete composite beams strengthened with CFRP laminates by El-Zohairy, Ayman, Salim, Hani, Shaaban, Hesham, Mustafa, Suzan, El-Shihy, Ashraf

“…•Flexural testing of continuous steel-concrete composite beams.•FE simulation of strengthened beams as well as plain beams.•An improvement in the composite…”
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Impact Behavior of Composite Reinforced Concrete Beams with Pultruded I-GFRP Beam by Ibrahim, Teghreed H, Allawi, Abbas A, El-Zohairy, Ayman

“…The present study experimentally and numerically investigated the impact behavior of composite reinforced concrete (RC) beams with the pultruded I-GFRP and…”
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Temperature Effect on the Compressive Behavior and Constitutive Model of Plain Hardened Concrete by El-Zohairy, Ayman, Hammontree, Hunter, Oh, Eddie, Moler, Perry

“…Concrete is one of the most common and versatile construction materials and has been used under a wide range of environmental conditions. Temperature is one of…”
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Flexural Performance of Encased Pultruded GFRP I-Beam with High Strength Concrete under Static Loading by Mahmood, Enas M., Allawi, Abbas A., El-Zohairy, Ayman

“…There is an interesting potential for the use of GFRP-pultruded profiles in hybrid GFRP-concrete structural elements, either for new constructions or for the…”
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Recycled Concrete Aggregate for Medium-Quality Structural Concrete by Tran, Dong Viet Phuong, Allawi, Abbas, Albayati, Amjad, Cao, Thi Nguyen, El-Zohairy, Ayman, Nguyen, Yen Thi Hai

“…This paper reports an evaluation of the properties of medium-quality concrete incorporating recycled coarse aggregate (RCA). Concrete specimens were prepared…”
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Cost Impact Comparative Analysis via BIM between Heritage Regular Maintenance Projects and Long-Term Restoration Projects—A Case Study by Tahoon, Doaa, El-Zohairy, Ayman, Hendawy, Hesham Ibrahim

“…The financial implications of long-term restoration projects for cultural heritage, as compared to regular maintenance efforts, often underscore a flawed…”
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Strengthening of Continuous Reinforced Concrete Deep Beams with Large Openings Using CFRP Strips by Khalaf, Mohammed Riyadh, Al-Ahmed, Ali Hussein Ali, Allawi, Abbas AbdulMajeed, El-Zohairy, Ayman

“…To accommodate utilities in buildings, different sizes of openings are provided in the web of reinforced concrete deep beams, which cause reductions in the…”
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Performance of Rubberized Concrete and the Effect of Temperature and Stainless Steel Fibers by El-Zohairy, Ayman, Sanchez, Matthew, Abediniangerabi, Bahram, Moler, Perry

“…Rubberized concrete is widely used in construction by utilizing the advantages of partially replacing fine or coarse aggregate with rubber to enhance several…”
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Finite Element Analysis and Optimization of the Rotational Stiffness of Semi-Rigid Base Connection under Simultaneous Moment and Tension by Nawar, Mahmoud T., El-Zohairy, Ayman, Alaaser, Ahmed G., Hamdy, Osman

“…The base connection is flexible, not fully pinned/fixed, implying a nonlinear moment–rotation relationship. This deviates from a linear response, where…”
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Performance of GFRP-Confined Rubberized Engineered Cementitious Composite Columns by Mahmoud T. Nawar, Mohamed Selim, Mahmoud Zaghlal, Ayman El-Zohairy, Mohamed Emara

“…In coastal regions, the deterioration of structures and bridges due to environmental conditions and corrosion is a significant concern. To combat these issues,…”
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Fatigue Characteristics of Steel–Concrete Composite Beams by El-Zohairy, Ayman, Salim, Hani, Shaaban, Hesham, Nawar, Mahmoud T.

“…Fatigue in steel–concrete composite beams can result from cyclic loading, causing stress fluctuations that may lead to cumulative damage and eventual failure…”
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Flexural Behavior of Pultruded GFRP–Concrete Composite Beams Strengthened with GFRP Stiffeners by Ali, Muataz I., Allawi, Abbas A., El-Zohairy, Ayman

“…The utilization and incorporation of glass fiber-reinforced plastics (GFRP) in structural applications and architectural constructions are progressively…”
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Finite Element Modeling and Analysis of Perforated Steel Members under Blast Loading by Nawar, Mahmoud T., El-Zohairy, Ayman, Arafa, Ibrahim T.

“…Perforated steel members (PSMs) are now frequently used in building construction due to their beneficial features, including their proven blast-resistance…”
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The Static and Dynamic Behavior of Steel Storage Tanks over Different Types of Clay Soil by Salem, Tarek N., El-Zohairy, Ayman, Abdelbaset, Ahmed M.

“…Steel storage tanks are widely used in different fields. Most of these tanks contain hazardous materials, which may lead to disasters and environmental damage…”
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Numerical Modeling and Analysis of Strengthened Steel–Concrete Composite Beams in Sagging and Hogging Moment Regions by El-Zohairy, Ayman, Mustafa, Suzan, Shaaban, Hesham, Salim, Hani, Allawi, Abbas A.

“…Strengthening of composite beams is highly needed to upgrade the capacities of existing beams. The strengthening methods can be classified as active or passive…”
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Blast Wave Simulator for Laminated Glass Panels Experimental Evaluation by Nawar, Mahmoud T., El-Zohairy, Ayman, El-Sisi, Alaa, Salim, Hani, Aldoshan, Abdelhakim A.

“…The study of blast loads on structures is important due to the potential of significant consequences in various scenarios. From terrorist attacks to industrial…”
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Finite Element Modeling and Analysis of RC Shear Walls with Cutting-Out Openings by Saad, Islam M., Mohamed, Heba A., Emara, Mohamed, El-Zohairy, Ayman, El-Beshlawy, Sherif

“…In recent decades, reinforced concrete (RC) shear walls have been one of the best structural solutions to resist lateral load in high-rise buildings. Shear…”
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Shear Strengthening of Reinforced Concrete Beams Using Engineered Cementitious Composites and Carbon Fiber-Reinforced Polymer Sheets by Emara, Mohamed, Salem, Mohamed A., Mohamed, Heba A., Shehab, Hamdy A., El-Zohairy, Ayman

“…This study evaluates the performance of Reinforced Concrete (RC) beams enhanced in shear using Engineered Cementitious Composites (ECCs) and Carbon…”
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