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  1. Journal Article Full text

    From User to Algorithm: Integrating Human Based Tectonism with AI-Driven Interior Architecture

    Eman Bahzan; Ayman Assem; Mohamed Ezzeldin

    JES: Journal of Engineering Sciences, Vol. 55 No. 2 · 2027 · English · DOAJ Scopus

    Human-Based Tectonism (HBT) is introduced as a comprehensive architectural framework designed to reconcile the longstanding disconnect between Human-Based Design (HBD) principles and architectural tectonics. This paper proposes an integrated approach that combines HBD concerned with physical…

  2. Journal Article Full text

    Design and Evaluation of Bio-Inspired Hybrid Helicoidal CFRP Laminates for Enhanced Low-Velocity Impact Resistance

    Amina Zohra Akkal; Mohamed Elajrami; Kouider Madani et al.

    JES: Journal of Engineering Sciences, Vol. 55 No. 2 · 2027 · English · DOAJ Scopus

    This study investigates the low-velocity impact behaviour of bio-inspired hybrid helicoidal carbon fibre-reinforced polymer (CFRP) laminates using finite element analysis. Inspired by the helicoidal fiber arrangement found in the cuticle of the Cotinis mutabilis beetle, six laminate configurations…

  3. Journal Article Full text

    INFILL WALLS CONFIGURATION IMPACT ON THE SEISMIC BEHAVIOUR OF RC FRAMED C-SHAPED BUILDINGS CONSIDERING MACRO MODELLING

    Ehab Khalil; Mahamed Gomaa; Emad Ali Azzam

    JES: Journal of Engineering Sciences, Vol. 55 No. 2 · 2027 · English · DOAJ Scopus

    The current paper presents a comprehensive numerical study of the impact of infill walls configuration on the behavior of existing Reinforced Concrete (RC) framed buildings with plan irregularities. A significant portion of these buildings constitutes a considerable percentage of real estate assets…

  4. Journal Article Full text

    Geodetic Adjustment of the Egyptian CORS Network Relative to ITRF2020 and Transformation to the National HARN-ITRF1994 Datum

    Mohamed Mamdouh; Mohamed El-Tokhey; Tarek Walid et al.

    JES: Journal of Engineering Sciences, Vol. 55 No. 2 · 2027 · English · DOAJ Scopus

    The establishment and continuous improvement of geodetic reference networks are fundamental to ensuring the accuracy, stability, and interoperability of spatial data. This study focuses on the adjustment of the Egyptian Continuously Operating Reference Stations (CORS) network relative to the…

  5. Journal Article Full text

    Evaluating the Performance of Post-Tensioned Beam-to-Column Connections for Braced Frames Using Hybrid Bars

    mahmoud Ahmed; Mohmmad Pyram; Abdou Mohamed et al.

    JES: Journal of Engineering Sciences, Vol. 55 No. 2 · 2027 · English · DOAJ Scopus

    This study investigates the seismic performance of steel energy dissipation bars, focusing on the impact of bar geometry and external fiber-reinforced polymer (FRP) strengthening. A comprehensive three-dimensional nonlinear finite element model (FEM) was developed using ABAQUS software to simulate…

  6. Journal Article Full text

    Numerical and Field Investigation of a Piled-Reinforced Embankment Constructed on Soft Clay Formation: A Case Study from Alexandria, Egypt

    Mahmoud Awad-Allah

    JES: Journal of Engineering Sciences, Vol. 55 No. 2 · 2027 · English · DOAJ Scopus

    Embankments reinforced with piles and geosynthetic is one of the improvement techniques that provides a good solution for rapid construction of highways and roads over poor grounds (e.g., soft clay, peat, loose sand, etc.). In this paper, a case history of highway project, which was constructed…

  7. Journal Article Full text

    Pounding Forces Effect on Steel and Reinforced Concrete Building: Systematic Review

    Zainab Bardan; Akram Mahmoud

    JES: Journal of Engineering Sciences, Vol. 55 No. 2 · 2027 · English · DOAJ Scopus

    This study reviews research on earthquake-induced pounding in adjacent buildings with reinforced concrete frames and in buildings with steel frames. The review focuses on three main parameters: soil–structure interaction, base isolation systems, and the separation gap between neighbouring…

  8. Journal Article Full text

    Development and Experimental Validation of an IoT-Based Fuzzy Logic Control System with Fault Diagnosis for Hydroponic Greenhouses

    yasir mosleh abdal

    JES: Journal of Engineering Sciences, Vol. 55 No. 2 · 2027 · English · DOAJ Scopus

    Hydroponic greenhouse management under extreme climatic conditions requires reliable and low-cost automated control solutions. In this paper, a fuzzy logic-control IoT-based system for the automatic control of a hydroponic greenhouse is presented. The system was tested continuously for three months…

  9. Journal Article Full text

    Promoting Ecological Streets: Evaluating Walkability in Two Different Types of Commercial Streets in Cairo Using Space Syntax Theory

    Nihad Fouad; Heba Abd El-Baky

    JES: Journal of Engineering Sciences, Vol. 55 No. 1 · 2027 · English · DOAJ Scopus

    The global climate crisis underscores the urgent need to adopt sustainable urban design strategies, including walkability, as a fundamental aspect of environmentally responsible transportation. This study investigates the relationship between walkability and ecological dimensions through…

  10. Journal Article Full text

    Integrating Nanostructure 2D graphene-silver and Cobalt oxide for Improved Mechanical Strength and chemical properties

    Ahmed Fawzy; khaled samy; aya hossam

    JES: Journal of Engineering Sciences, Vol. 55 No. 1 · 2027 · English · DOAJ Scopus

    This study explores the synergistic effects of reduced graphene oxide (RGO) doped with silver nanoparticles (AgNPs) and nanostructured cobalt oxide (Co₃O₄) on enhancing the mechanical and structural properties. The exceptional tensile strength, high surface area, and flexibility of RGO, combined…

  11. Journal Article Full text

    Enhancing the Scratch and Erosion Resistance of Epoxy Resin for Water Pipeline Coatings Using Multiwall Carbon Nanotubes

    A. A. Goma; H. M. Abdel-Rahman; G.T. Abdel-Jaber

    JES: Journal of Engineering Sciences, Vol. 55 No. 1 · 2027 · English · DOAJ Scopus

    This study investigates how adding Multiwall Carbon Nanotubes (MWCNTs) to epoxy coatings enhances the scratch resistance of MWCNT/epoxy composites, as well as the erosion resistance of epoxy nanocomposite coatings for water pipeline applications. Epoxy nanocomposites were fabricated with MWCNT…

  12. Journal Article Full text

    Assessment of Seismic Vulnerability of Cable Stayed Bridges Considering Soil Liquefaction and Wave Propagation Effects

    Ahmed Abousdira; Walid Attia

    JES: Journal of Engineering Sciences, Vol. 55 No. 1 · 2027 · English · DOAJ Scopus

    This study examines the seismic fragility of cable‑stayed bridges using an integrated probabilistic framework that explicitly incorporates spatial variability of ground motion, soil liquefaction, and nonlinear cable behavior. A detailed numerical model of the seven‑span, 730 m Suez Canal Bridge is…

  13. Journal Article Full text

    Optimizing Off-Grid Residential Building in Mountainous Climates Using NSGA-II Multi-Objective Algorithm: A Case Study in Saint Catherine, Egypt

    Ahmed Elfayoumy; Mohammed Elfayoumy; Mahmoud Elfayoumy

    JES: Journal of Engineering Sciences, Vol. 55 No. 1 · 2027 · English · DOAJ Scopus

    This research introduces an integrated, AI simulation-based solution and optimization framework for an off-grid solar system tailored for a residential unit in the mountainous region of Saint Catherine, Egypt. The novelty of this study lies in the integration of four simulation tools: Climate…

  14. Journal Article Full text

    "Soul versus souls in the metaverse": An exploration of social presence's impact on narrative construction in an art virtual museum.

    Norhan Ezz El-arab; Ahmed El Antably

    JES: Journal of Engineering Sciences, Vol. 55 No. 1 · 2027 · English · DOAJ Scopus

    Due to the COVID-19 pandemic and the lockdown in early 2020, museums closed their doors and shifted online. Building on recent advancements in digital technologies, they utilized virtual reality (VR) and other technologies to engage visitors and enhance their virtual museum experiences…

  15. Journal Article Full text

    Microstructural Characteristics and Mechanical Behavior of ZA27 Alloy Enhanced with Titanium

    Dena Abd El Kader; Mohamed Aboraia; Ahmed Dawood et al.

    JES: Journal of Engineering Sciences, Vol. 55 No. 1 · 2027 · English · DOAJ Scopus

    This study investigates the influence of titanium (Ti) additions (0.5–3 wt.%) on the microstructural evolution and mechanical properties of ZA27 alloys. Microstructural analysis of the ZA27 alloy via optical microscopy, scanning electron microscopy (SEM) coupled with energy-dispersive X-ray…

  16. Journal Article Full text

    Effect of Niobium Content on Microstructure, Thermal Characteristics, Hardness and Compressive Properties of As-cast Ni-Ti Shape Memory Alloy

    Sabreen Abdelwahab; Waleed Mabrouk; Nasser Ayoub et al.

    JES: Journal of Engineering Sciences, Vol. 55 No. 1 · 2027 · English · DOAJ Scopus

    The effect of Nb content on the microstructure, thermal characteristics, compressive behavior, and hardness of the as-cast 55Ni-(45-x) Ti-xNb (0-20 wt.%) shape memory alloy was systematically examined. The alloys were prepared using a vacuum arc melting furnace. X-ray diffraction, Differential…

  17. Journal Article Full text

    Assessment of Implementing Agile Management on Change Orders Optimization in the Construction Industry

    Doha Ali; Laila Khodeir; Reem Othman

    JES: Journal of Engineering Sciences, Vol. 55 No. 1 · 2027 · English · DOAJ Scopus

    Construction projects are characterized by complexity and uncertainty, resulting in frequent modifications during design and construction phases. This necessitates more adaptable management practices. Conversely, Agile project management has demonstrated significant flexibility and adaptability to…

  18. Journal Article Full text

    From Theoretical Instruction to Spatial Practice: A Saudi Pedagogical Model for Integrating Landscape Architecture Education with Urban Reality

    Doaa salem

    JES: Journal of Engineering Sciences, Vol. 55 No. 1 · 2027 · English · DOAJ Scopus

    Among the strategic goals of Saudi Vision 2030 is aligning architectural education with real urban environments and strengthening the link between academia and the real world. Thus, this paper evaluates the transformation of the ART470 – Landscape Architecture course into an experiential…

  19. Journal Article Full text

    Integrated Scientometric Analysis of Agile and Lean Management Research in the Global Construction Industry

    Mohamed Gebrel; Ahmed Abdelallim; Moahmed Mahmoud et al.

    JES: Journal of Engineering Sciences, Vol. 55 No. 1 · 2027 · English · DOAJ Scopus

    Abstract: Despite the widespread integration of advanced technologies in construction projects, the construction sector's efficiency remains low, with persistent challenges related to waste, delays, resource use, and implementation. The objectives of the study are: (1) map research growth and…

  20. Journal Article Full text

    Bridging Technology and Tradition: Interactive Maps for Sustainable Heritage Conservation in Mosul

    Fatimah Abdulmawjood; Emad Ismaeel

    JES: Journal of Engineering Sciences, Vol. 55 No. 1 · 2027 · English · DOAJ Scopus

    Interactive maps represent a sophisticated approach to the preventive maintenance of historic cities, providing dynamic tools for documentation and information management, and facilitating public engagement. A key challenge lies in the limited reliance on modern geospatial tools for managing and…

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