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Enhancing The Sustainability Of The Visual Scenery Elements Of Urbanism To Achieve Quality-Of-Life Standards, sahar said gado, henar A. kalefa 2024 6 October University

Enhancing The Sustainability Of The Visual Scenery Elements Of Urbanism To Achieve Quality-Of-Life Standards, Sahar Said Gado, Henar A. Kalefa

Journal of Engineering Research

Abstract

The quality of life for urban areas is an idea that has recently been discussed in various studies as a response to the many problems facing cities around the world as well as in Egypt. As the city is the product of a reflection of its identity and cultural and civilised heritage that is growing and changing, and enhancing the sustainability of the elements of the visual image of the city is one of the changes that, in turn, seeks to create a suitable urban environment for the population and reach the highest rates of environmental comfort and complete …


تقنيات الاضاءة الصناعية وتأثيرها فى الفراغ السكنى على السلوك الانسانى, Samah Kamal Elfeky, Walaa Ahmad Nour, Lobna Abdelfatah Agha 2024 Association of Arab Universities

تقنيات الاضاءة الصناعية وتأثيرها فى الفراغ السكنى على السلوك الانسانى, Samah Kamal Elfeky, Walaa Ahmad Nour, Lobna Abdelfatah Agha

Journal of Engineering Research

* Lighting is considered of main items in daily life begining from natural Lighting to industrial lighting. with all of it's different shapes . it is considerdone of the most important data that point Blank spaces and works to show architectural spaces, aesthetic values through being sharp and weak, ensure borders show texture or hide Features, suggest wideness, narrowness of space as the most beautiful design don't see beautiful without good lighting which designed carefully.Due to diversity of human activities, architictums spaces and it is wideness. Increased dependence on industrial Lighting to strengthen Job of performance, beauty of internal, external …


The Role Of Greenways In Achieving Urban Sustainability For Cities Accordance With The Sustainable Development Goals 2030, walaa ahmed nour prof, Aya abdelazim Abdeen, lobna Agha Prof 2024 Vice Dean for Community and Environmental Affairs, Professor in the Department of Architecture, Tanta University, Egypt

The Role Of Greenways In Achieving Urban Sustainability For Cities Accordance With The Sustainable Development Goals 2030, Walaa Ahmed Nour Prof, Aya Abdelazim Abdeen, Lobna Agha Prof

Journal of Engineering Research

The concept of "greenways" emerged to achieve sustainable development in urban areas and to address natural disasters resulting from climate change. This research paper aims to study the role of greenways in achieving urban sustainability and their facilitation in achieving the Sustainable Development Goals for 2030. The paper expounds on the idea and origin of greenways, their benefits, and analyzes some global examples. Furthermore, it categorizes the indicators of greenway design into two types: those with a positive impact and those without an impact on sustainable development goals. Using standardized tools, the relationship between each indicator and sustainable development goals …


Parametric Design As A Tool To Reduce Solar Penetration By Outdoor Shades In Hot Arid Climate, Rana O. Aboulfaraj, Iman O. Gawad, Mostafa Khalifa 2024 PhD Student, Architecture Department, Faculty of Fine Arts, Helwan University, Egypt

Parametric Design As A Tool To Reduce Solar Penetration By Outdoor Shades In Hot Arid Climate, Rana O. Aboulfaraj, Iman O. Gawad, Mostafa Khalifa

Architecture and Planning Journal (APJ)

Conventional design methods and current tools infrequently link performance with the geometry of the design. These methods rarely enable backtracking through the design process and can't achieve full performance criteria. In this context, using both procedural geometry and information from numerical assessments and performance simulations should be discussed to support the search for effective solutions. Architects have gained control over the process of design by utilizing parametric methods to generate a sustainable design that interacts with sustainable, climatic, and environmental restrictions, particularly in hot arid zones where outdoor life is overlooked. This paper will discuss the performance-oriented design and a …


Comprehensive Numerical Modeling Of Prestressed Girder Bridges Under Low-Velocity Impact, Mohamed T. Elshazli, Mohanad M. Abdulazeez, Mohamed ElGawady, Ahmed Ibrahim 2024 Missouri University of Science and Technology

Comprehensive Numerical Modeling Of Prestressed Girder Bridges Under Low-Velocity Impact, Mohamed T. Elshazli, Mohanad M. Abdulazeez, Mohamed Elgawady, Ahmed Ibrahim

Civil, Architectural and Environmental Engineering Faculty Research & Creative Works

Accidental Collisions Involving Over-Height Trucks That Exceed Vertical Clearance Limits And Bridge Superstructures Frequently Happen, Resulting In Compromised Girders And Potential Threats To Structural Safety And Performance. The Numerical Simulation Of Large-Scale Prestressed Girder Bridge Collisions Poses Challenges Due To The Associated Nonlinearities, As Well As The Limited Availability Of Large-Scale Experimental Testing Data In The Literature Due To Cost And Complexity Constraints. This Study Introduces A Numerical Modeling Approach To Efficiently Capture The Response Of Prestressed Girder Bridges Under Lateral Impact Loads. A Finite Element (FE) Model Was Developed Using LS-DYNA And Meticulously Validated Against Experimental Data From The …


Natural Gas Induced Vegetation Stress Identification And Discrimination From Hyperspectral Imaging For Pipeline Leakage Detection, Pengfei Ma, Ying Zhuo, Genda Chen, Joel G. Burken 2024 Missouri University of Science and Technology

Natural Gas Induced Vegetation Stress Identification And Discrimination From Hyperspectral Imaging For Pipeline Leakage Detection, Pengfei Ma, Ying Zhuo, Genda Chen, Joel G. Burken

Civil, Architectural and Environmental Engineering Faculty Research & Creative Works

Remote Sensing Detection of Natural Gas Leaks Remains Challenging When using Ground Vegetation Stress to Detect Underground Pipeline Leaks. Other Natural Stressors May Co-Present and Complicate Gas Leak Detection. This Study Explores the Feasibility of Identifying and Distinguishing Gas-Induced Stress from Other Natural Stresses by Analyzing the Hyperspectral Reflectance of Vegetation. the Effectiveness of This Discrimination is Assessed Across Three Distinct Spectral Ranges (VNIR, SWIR, and Full Spectra). Greenhouse Experiments Subjected Three Plant Species to Controlled Environmental Stressors, Including Gas Leakage, Salinity Impact, Heavy-Metal Contamination, and Drought Exposure. Spectral Curves Obtained from the Experiments Underwent Preprocessing Techniques Such as Standard …


Methodology To Design Eco-Friendly Fiber-Reinforced Concrete For 3d Printing, Haodao Li, Alfred Addai-Nimoh, Eric Kreiger, Kamal H. Khayat 2024 Missouri University of Science and Technology

Methodology To Design Eco-Friendly Fiber-Reinforced Concrete For 3d Printing, Haodao Li, Alfred Addai-Nimoh, Eric Kreiger, Kamal H. Khayat

Civil, Architectural and Environmental Engineering Faculty Research & Creative Works

Greater use of locally available supplementary cementitious materials (SCM) to reduce cement content and addition of fiber reinforcement can enhance the performance of 3D printing (3DP) technology in construction. In this study, three classes of eco-friendly 3D printable fiber-reinforced mixtures were targeted, namely ultra-high-performance concrete (UHPC), high-performance concrete (HPC), and conventional concrete (CC). A step-by-step methodology was proposed to maximize the substitution rate of cement with SCM and limestone filler and optimize fiber volume for the successful development of 3D printable fiber-reinforced materials. Binder combinations were initially investigated on the paste level to determine the packing density and robustness. Selected …


The Impact Of American Kitchen Time-Use On Urban Design And Planning: A Case Study Of Baton Rouge, Louisiana, Farshid Torabian 2024 Louisiana State University

The Impact Of American Kitchen Time-Use On Urban Design And Planning: A Case Study Of Baton Rouge, Louisiana, Farshid Torabian

LSU Doctoral Dissertations

Over the past century, the global environment has undergone significant changes, characterized by rising temperatures and a sharp increase in greenhouse gas emissions. Parallel to these environmental shifts, the U.S. has witnessed a tripling in energy demands, underscoring the pivotal role of household consumption in the nation's carbon footprint. Within this context, the kitchen, an integral component of the American home, becomes a focal point. Given that Americans predominantly spend their time indoors, it is imperative to understand the dynamics of kitchen usage and its broader implications on energy consumption and environmental impact. To delve into this complex interplay, this …


Characterization Of Alkali-Silica Reaction (Asr) Products And C-S-H Using Swir Spectroscopy For Nondestructive Detection Of Asr, Pengfei Ma, Wenyu Liao, Ying Zhuo, Hongyan Ma, Yanping Zhu, Genda Chen 2024 Missouri University of Science and Technology

Characterization Of Alkali-Silica Reaction (Asr) Products And C-S-H Using Swir Spectroscopy For Nondestructive Detection Of Asr, Pengfei Ma, Wenyu Liao, Ying Zhuo, Hongyan Ma, Yanping Zhu, Genda Chen

Civil, Architectural and Environmental Engineering Faculty Research & Creative Works

This study explores the feasibility of characterizing alkali-silica reaction (ASR) products and calcium silicate hydrates (C-S-H) from short-wave infrared (SWIR) spectroscopy. ASR products and C-S-H samples with different Ca/Si ratios were synthesized and analyzed through XRD, 29Si nuclei magnetic resonance (NMR) and SWIR spectroscopy. Fourier-transform infrared spectroscopy (FTIR) was collected to help interpret the results from the SWIR spectroscopy. The obtained spectroscopic features were applied to quantify the ASR product abundance denoted by the length expansion of mortar bars after an accelerated ASR test. The results show that the SWIR spectra of the synthetic ASR gels are similar regardless of …


Evolution Of Sbs-Modified Asphalt Performance Under Aging And Rejuvenation Cycle Conditions, Ke Shi, Feng Ma, Jenny Liu, Zhen Fu, Ruimeng Song, Dongdong Yuan, Aboudou Wassiou Ogbon 2024 Missouri University of Science and Technology

Evolution Of Sbs-Modified Asphalt Performance Under Aging And Rejuvenation Cycle Conditions, Ke Shi, Feng Ma, Jenny Liu, Zhen Fu, Ruimeng Song, Dongdong Yuan, Aboudou Wassiou Ogbon

Civil, Architectural and Environmental Engineering Faculty Research & Creative Works

Improving the poor long-term service performance of rejuvenated SBS-modified asphalt (REF-LT) is highly challenging. In this study, a blend of aged and virgin binders was used to rejuvenate REF-LT and the evolution of the asphalt performance was observed during regeneration and reaging processes. An SBS-modified asphalt (SBM) and base asphalt (BA) were mixed with REF-LT in specified ratios to prepare SBM- and BA-rejuvenated asphalts. The rejuvenated asphalts were subjected to short- and long-term aging. The high/low-temperature rheological properties, fatigue resistance, rejuvenation mechanism, and changes in the functional groups of the rejuvenated and reaged asphalts were characterized using a dynamic shear …


Numerical And Experimental Investigation Of Negative Stiffness Beams And Honeycomb Structures, Yasser Darwish, Mohamed A. ElGawady 2024 Missouri University of Science and Technology

Numerical And Experimental Investigation Of Negative Stiffness Beams And Honeycomb Structures, Yasser Darwish, Mohamed A. Elgawady

Civil, Architectural and Environmental Engineering Faculty Research & Creative Works

Metamaterial structures that exhibit negative stiffness (MSNS) behavior have shown the potential to be used as energy dissipation systems in different applications. Negative stiffness honeycomb structures consist of multiple pre-buckled beams that snapping through from one pre-buckled mode to another buckled mode, when subjected to transverse loads, displaying negative stiffness, and dissipating a significant portion of the input energy. This paper presents finite element models (FEMs) developed to investigate the performance of negative stiffness pre-buckled beams and honeycombs. The FEMs were validated using experimental results of single pre-buckled beams and honeycomb structures. The experimental testing of the pre-buckled beams was …


Synergistic Effect Of Macro Synthetic Fiber And Shrinkage-Reducing Admixture On Engineering Properties Of Fiber-Reinforced Super-Workable Concrete, Jingjie Wei, Nima Farzadnia, Kamal H. Khayat 2024 Missouri University of Science and Technology

Synergistic Effect Of Macro Synthetic Fiber And Shrinkage-Reducing Admixture On Engineering Properties Of Fiber-Reinforced Super-Workable Concrete, Jingjie Wei, Nima Farzadnia, Kamal H. Khayat

Civil, Architectural and Environmental Engineering Faculty Research & Creative Works

This study aims to enhance fiber-reinforced super-workable concrete (FR-SWC) by optimizing the system of shrinkage-reducing admixture (SRA) and macro-synthetic fiber (MSF) for low shrinkage and uncompromised mechanical properties. A factorial design approach was employed to model the effect of fiber content, SRA dosage, and combined ratios of two types of MSF on performance of FR-SWC. MSF content had the greatest impact on mechanical properties, followed by SRA and MSF combination. Using MSF increased equivalent flexural strength ratio by 310% compared to the control mixture, regardless of MSF combination and SRA. SRA had the most significant effect on drying shrinkage, followed …


From Pumping To Deposition: A Comprehensive Review Of Test Methods For Characterizing Concrete Printability, Ali Fasihi, Nicolas A. (Ali) Libre 2024 Missouri University of Science and Technology

From Pumping To Deposition: A Comprehensive Review Of Test Methods For Characterizing Concrete Printability, Ali Fasihi, Nicolas A. (Ali) Libre

Civil, Architectural and Environmental Engineering Faculty Research & Creative Works

3D concrete printing (3DCP) technology has gained significant attention in the construction industry due to its potential to revolutionize the way buildings are designed and constructed. However, successful application of 3DCP requires robust standard test procedures to characterize the printability of concrete. Printability is a measure of workability for a printing material in the 3DCP process, which is characterized by pumpability, extrudability, and buildability. This paper presents a comprehensive review of the test methods that could be used for material characterization during various printing steps, including pumping, extrusion, and layer deposition. The underlying mechanisms relevant to each step, key governing …


Use Of Hybrid Fibers And Shrinkage Mitigating Materials In Scc For Repair Applications, Kamran Aghaee, Kamal H. Khayat 2024 Missouri University of Science and Technology

Use Of Hybrid Fibers And Shrinkage Mitigating Materials In Scc For Repair Applications, Kamran Aghaee, Kamal H. Khayat

Civil, Architectural and Environmental Engineering Faculty Research & Creative Works

Self-consolidating concrete (SCC) is used to repair structural elements with congested reinforcement or restricted access to placement and consolidation. In addition to adequate flowability, passing ability, filling capacity, and stability, adequate bonding to the substrate and reinforcing bars, low shrinkage and cracking resistance are required for successful repair. This study employs various shrinkage mitigating materials, including expansive agent (EA), coupled use of EA with shrinkage reducing admixture (SRA), and EA with pre-saturated lightweight sand (LWS) to fulfill these requirements. The effect of these materials on the performance of SCC made with a hybrid synthetic (PP) fiber and a hybrid steel-synthetic …


The Influence Of Green Building Design On Tourists' Intention To Stay In Eco-Friendly Hotels: A Study On Perceptions And Preferences, Enas Al Sayed Salama Dr., Gehad Nasr Abdelsalam Dr. 2024 Modern University for Technology and Information, Egypt-

The Influence Of Green Building Design On Tourists' Intention To Stay In Eco-Friendly Hotels: A Study On Perceptions And Preferences, Enas Al Sayed Salama Dr., Gehad Nasr Abdelsalam Dr.

Journal of Engineering Research

Green building design involves integrating sustainable and environmentally friendly practices into the construction and operation of buildings, including hotels, with the goal of minimizing the adverse impact on the environment. This paper delves into the pivotal role of green building design and eco-service provision within the context of green hotels. The aim is to investigate the interconnections among tourists' environmental concerns, their perceived significance of green building design, and their intention to choose green hotels.

To enhance the understanding of tourist behavior and its implications for tourism in Egypt, a questionnaire was administered in Sharm El Sheikh, a prominent Egyptian …


Using Biomimicry To Increase Daylighting Efficiency In Egyptian Office Buildings, . Nervana Osama Hanafy 2024 Modern university for technology and information

Using Biomimicry To Increase Daylighting Efficiency In Egyptian Office Buildings, . Nervana Osama Hanafy

Journal of Engineering Research

The aim is to design a biomimicry-inspired building skin for Giza City's business towers. Tasks to complete include enhancing daylighting efficiency and promoting visual comfort To improve the daylighting performance of office buildings in Giza City, Egypt, this article presents 144 alternatives for biomimicry-inspired building skin to improve daylighting efficiency and visual comfort for Giza City's business towers For modeling, Revit, Rhino v6, and Grasshopper were utilized. The suggested daylighting simulation application, ClimateStudio (v1.8.8244.25334), was chosen. The building orientation, used materials, surface level measurement, working hours, and pertinent weather file data have all been provided. The evaluation criteria include Annual …


Visual Privacy As An Approach To Improve Human Needs In Residential Buildings In Egypt, Inas Samir Ibrahim, Walaa Nour, Mustafa Alwan 2024 Tanta University

Visual Privacy As An Approach To Improve Human Needs In Residential Buildings In Egypt, Inas Samir Ibrahim, Walaa Nour, Mustafa Alwan

Journal of Engineering Research

Architecture reflects a nation’s cultural, social, and environmental characteristics. As a result of the recent globalization, countries have lost their distinctive architectural identities; due to this, it is difficult to identify A country’s unique identity locally and regionally. Specifically, in Egypt, houses in the traditional style are considered one of the most iconic architectural styles. There is an amazing local identity and a unique spatial quality in the region that characterizes Egypt. On the other hand, Western influences have caused many of the values and attributes of houses to fade. One of the most prominent values is the home’s loss …


The Effect Of Building Information Modeling Technology On The Future Of Architecture Education Development In Universities, Mohamed Abd Elnaser Hamoda, Mahmoud Ahmed Zaki, marwa ahmed kamer Faculty of Engineering, Tanta University 2024 Tanta University - Faculty of Engineering - Postgraduate studies

The Effect Of Building Information Modeling Technology On The Future Of Architecture Education Development In Universities, Mohamed Abd Elnaser Hamoda, Mahmoud Ahmed Zaki, Marwa Ahmed Kamer Faculty Of Engineering, Tanta University

Journal of Engineering Research

At the beginning of the current century , and with the development of computer technology , a new system based on three-dimensional drawings and modeling appeared with an accurate definition and description of all the elements in the submitted design , with the big development of construction methods and the advancement of the related technology and software, the advantages of the new system were defined and became more specific and relied in many organizations , companies and in design and construction institutions , and this system was called the building information modeling (BIM) .

Despite the importance of the system …


Comparative Analysis Between The Performance Of Vernacular Articulations And Enhanced Architectural Articulations -Case Study Mashrabiya –, reham elsayed altobaa, Ayman gamal abdeltawab, Walaa Mehanna 2024 Tanta University - Faculty of Engineering

Comparative Analysis Between The Performance Of Vernacular Articulations And Enhanced Architectural Articulations -Case Study Mashrabiya –, Reham Elsayed Altobaa, Ayman Gamal Abdeltawab, Walaa Mehanna

Journal of Engineering Research

Abstract- Architectural heritage is a powerful image of the community's identity and is only a natural result of human interaction with the surrounding environment. heritage–based -architectural articulations are a way to achieve human comfort in certain conditions and environments. This paper discusses the relationship between architectural heritage and community identity.

It also analyses the different parameters of vernacular articulations and enhanced vernacular articulations that control indoor human thermal comfort. In addition, the paper focuses on the factors affecting these articulations such as airflow, wind, temperature regulation, and light control. the results of this analytical process indicate how design configurations of …


The Interpretative Structural Modeling For Stakeholder Involvement To Reduce Slum Settlements, Bich Hanes Bich, Ayomi Dita Rarasati 2024 Universitas Indonesia, Faculty of Engineering, Civil Engineering Department

The Interpretative Structural Modeling For Stakeholder Involvement To Reduce Slum Settlements, Bich Hanes Bich, Ayomi Dita Rarasati

Smart City

The array of problems originating from slum settlements not only results in unwholesome environment, unlawful land utilization, and various internal challenges within the vicinity but also impacts the surrounding regions and the overall urban infrastructure network. In pursuit of Indonesia's 2045 Vision, which emphasizes on "equitable and integrated infrastructure development", the zero slums constitutes a pivotal component of the Ministry of Public Works and Public Housing's overarching vision. Nonetheless, a disparity has been identified in addressing slum settlements in West Kalimantan, hindering the achievement of this objective. This research aims to identify the stakeholders and the priority factors in determining …


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