Digital Commons Network^™

The Effect Of Walnut Shell Ash On The Properties Of Cement Paste And Mortar: A Study On Partial Replacement Of Cement, Ali Shebli, Jamal Khatib, Adel Elkordi

BAU Journal - Science and Technology

In the pursuit of a more sustainable future, the utilization of agricultural waste in cementitious products has emerged as a popular and effective solution. The current study explores the feasibility of incorporating ash derived from walnut nutshells, considered agro residues, into eco-friendly blended cement paste and mortars to examine its impact on their properties. A range of blended cement mixtures was formulated by incorporating walnut shell ash (WSA) in three varying proportions of 5%, 10%, and 15% relative to the weight of the cement. Tests were conducted to investigate the properties of the blended cement paste and mortar incorporating WSA, …

Molybdenum Versus Tungsten Based Polyoxometalates For Highly Effective Methylene Blue Removal, Roula Abi Saad, Ghassan Younes, Mohammad H. El- Dakdouki, Rami Al-Oweini

BAU Journal - Science and Technology

[SiW₁₂O₄₀]^4-(SiW₁₂) and [Mo₈O₂₆]^4- (Mo₈) were synthesized and characterized by Fourier Transform Infrared spectroscopy (FTIR). The prepared polyoxometalates were studied as potential adsorbents for the removal of methylene blue (MB) from an aqueous solution. Various operational parameters—contact time, adsorbent dose, initial dye concentration, pH, and temperature— were meticulously assessed by UV/Vis spectrophotometry to study its impact on the adsorption efficacy. An inverse relationship was observed between the percentage dye removal and the initial dye concentration, highlighting the complexes' superior adsorption capabilities under lower dye loads. The …

Optimization Of The Bio-Synthesis Of Magnesium Nanoparticles From Staphylococcus Haemolyticus: A Pilot Study, Mariam Bassam, Malak Mezher, Mahmoud Khalil

BAU Journal - Science and Technology

Nanotechnology is developing rapidly. This field has many influences in humans’ life. Nanoparticles (NPs) have many unique properties including the size, shape, morphology, and surface area. The synthesis of NPs could be achieved by three ways: physical, chemical, and biological. However, the biological synthesis of NPs has a priority on the other domains due to its safety and environmental friendship. In this regard, the main objective of this study was to synthesize magnesium (Mg) NPs from the bacterium S. haemolyticus which was isolated from the Lebanese wastewater. Different parameters were applied to detect the best conditions to produce the highest …

Volar V-Y Advancement Flaps In Reconstructing Fingertip Injuries, Sawsan Abiad

BAU Journal - Science and Technology

Fingertip injuries with exposed bones and joints require immediate or early closure for the preservation of function and avoidance of complications. The ideal procedure should maintain the length of the finger and cover the defect with non-tender, well-padded skin with normal sensation. The aim of this study was to evaluate the role of the different types of volar V-Y advancement flaps in reconstructing and resurfacing injuries of the fingertips at different levels and angles. Thirty patients (N=30) sustaining fingertip injuries of variable etiology and lost components, type III & IV according to Allen’s classification were divided into two groups (n=15) …

Analysis Of Evolution And Morphology Of Urban And Road Networks: Case Study Lebanon-Nabatiyeh Area, Amal Al Ghorayeb, Adel Elkordi, Ghaleb Faour, Zeinab Jaber, Youssef Attallah

BAU Journal - Science and Technology

This study examines the morphology and evolution of urban and road networks and their relationship with topography in the Lebanon-Nabatiyeh area, by using GIS and remote sensing data. and calculate the annual urban growth percentage rate. The results reveal a clear relationship between the morphology of urban and road networks and their evolution over four periods, as well as the influence of the surrounding topography on their configuration. The study recommends that urban areas should be developed in areas with a slope range of 15º or more to improve the urban structure and infrastructure surrounding them. Understanding the evolution and …

Localized Surface Plasmon Resonance Of Palladium Parallelepiped Nanoparticles, Salem Marhaba, Nourhan El Kawni

BAU Journal - Science and Technology

Localized surface plasmon resonance (LSPR) of palladium parallelepiped nanoparticle have been investigated using Finite Element Method (FEM) in the frame of COMSOL Multiphysics Software. Spectral characteristics (magnitude, peak position and width) of LSPR of a single Pd nanoparticle having the shape of a parallelepiped are investigated in two different cases. The first case studied the size effect on LSPR by fixing the height with varying both length and width. However, the second case studied the shape effect on the LSPR by rounding the corners of the parallelepiped for different radii while fixing its dimensions. The extinction cross-section spectra of these …

Outdoor Artificial Lighting Effects On Livability Of Pedestrian Paths In Urban Heritage Context, Chirine Traboulsi, Aya Hassoun, Mostafa Rabea, Mary Felix

BAU Journal - Creative Sustainable Development

Lighting is an important ecological factor that influences individuals’ outdoor activities as well as the development of livable communities in cities. Artificial outdoor lighting is vital in improving the quality of urban open places throughout the nighttime and has a significant impact on the pedestrians' night-time perception and mental safety. This study aims to uncover whether outdoor lighting has indeed an effect on the livability of the pedestrian paths of a community and if so, what is the optimal design that fits an urban heritage setting. The research employs a mixed methods approach, where both qualitative and quantitative methods are …

The Influence Of Environmental Tax And Technology On Different Air Pollution Emissions In Oecd Countries, Malak Ali Assaf

BAU Journal - Creative Sustainable Development

Although countries continuously employ taxation and technological measures to control air pollution in the Organization for Economic Co-operation and Development, the results of these practices should be evaluated to determine whether they reach their intended outcomes. This study used panel autoregressive distributed lag model to establish how environmental taxes and technology affects the emission of air pollutants (nitrogen oxides, Carbon dioxide, and particulate matter 2.5). Using secondary data present in the OECD Database and The World Bank, EViews panel was derived to create 3 model in which each of the three variables would be sufficiently explained by environmental tax, abatement …

Evidence On The Impact Of Corruption On Economic Growth: A Systematic Literature Review, Nour Mohamad Fayad

BAU Journal - Creative Sustainable Development

The relationship between corruption and economic growth is complex and has been extensively studied. Till recent days it is still one of the most genuine political challenges that all countries face. Even though anti-corruption measures have improved, they still lack consistency and clarity. Accordingly, this paper reviews the extant literature on this issue, by examining 66 research papers on the impact of corruption on economic growth. The study was aided by analysis of the theme Corruption and economic growth identified in the present literature. Impact of Corruption on economic growth has been tested in multiple studies utilizing time series, panel, …

Towards Urban Biodiversity: Simulating Design Parameters For Wildlife-Inclusive Green Infrastrcuture, Alisa Abdulghany, Baher Farahat

BAU Journal - Creative Sustainable Development

As of 2021, more than half of the global population resides in urban areas. This resulted in an overwhelming footprint affecting species habitat areas leading to biodiversity loss. By definition, urban biodiversity is the diversity of living things within the urban realm. By providing chances for habitat as part of new developments, preserving on-site habitats, and attempting to connect with the local ecosystems, we can help promote biodiversity. Green infrastructure (GI), which includes all semi-natural areas in the urban context, can serve as a vessel for biodiversity. Therefore, the problem can be defined by the urban footprint that expands on …

Revitalizing The Borderlines Through Architecture Of Green Networking - Case Study: Beirut, Lebanon, Karim Al-Khatib, Maged Youssef, Mona M. Salem

BAU Journal - Creative Sustainable Development

Borders are an essential part of cities and countries, and they can create both physical and cultural divides. Inner-city borders can lead to social isolation and inequality, which can contribute to tensions and conflicts. Borders around the world have become a symbol of conflict, racism, fear, inequity, and division. One single line could divide between opportunity and hope and poverty and oblivion. Accordingly, some borders create social isolation between various cultures in cities that increase socio-political problems and remove urban connectivity. Green networking involves using urban green spaces, such as parks and gardens, to connect different areas of a city …

Upgrading Heritage Urban Public Spaces By Using Recycling Waste Plastic Materials, Aya Mostafa Hassoun, Mostafa Khalifa, Eslam M. Elsamahy, Khaled El-Daghar, Mary Felix

BAU Journal - Creative Sustainable Development

In low-income countries, population expansion and urbanization bring challenges of inadequate living standards to the fore. Some of the issues could be solved if well-functioning plastic recycling systems were built. To reduce the environmental burden and improve the overall situation in dense cities, the already existing local informal waste treatment system, which is widespread in many low-income nations, needs to be developed with efficient sorting and composting solutions. A case study is carried out in the city of Mina, Lebanon, with the goal of establishing a viable decentralized recycling plastic pavilion material. The effort aims to lessen the climate harm …

Discussing Different Images Of Pharmaceutical Company, Roula Afif Bou Assi, Ola Bazaza

BAU Journal - Creative Sustainable Development

Every organization is a complex, non-linear, and dynamic system. Gareth Morgan discussed eight different metaphors where they can be useful devices to create mental images to clarify and interpret our organizations. These eight metaphors are: machine, organism, brain, culture, political, flux and transformation, psychic prisons and instruments of domination. This combination of metaphors helps us understand our organization, analyze the structure, the leadership style (NAGY, December 2014). In this paper I will discuss the different metaphors of a pharmaceutical company (X). It is a growing pharmaceutical company, where reading and analyzing the different metaphors will definitely help them to prepare …

Knowledge And Misconceptions Among Lebanese Community On Immunizations, Hala Ahmadieh, Tala Safa, Ihab Nahle, Yahya Obeid, Dalal Hariri, Etaf Rawass, Tala Kanaan, Ahmad Sabalbal

BAU Journal - Health and Wellbeing

Two centuries ago, immunization practices have become the greatest land mark in medical history as they significantly contributed to a decline in several major infectious diseases worldwide thus decreasing both the mortality and morbidity. Moreover, they have been able to eradicate small pox and eliminate poliomyelitis in most regions of the world. However, in recent years the general opinion towards vaccination began shifting due to the emergence of certain opposing views to it, questioning the vaccine's safety and efficacy. This study aims to shed light on the vaccination status in Lebanon by assessing the knowledge, attitude, awareness, and misconceptions among …

Validation Of The Arabic Version Of The Food Safety And Hygiene Questionnaire Among Nutrition Student, Nada El Darra, Dina Cheaib, Leila Itani

BAU Journal - Health and Wellbeing

There is shortage of data on food safety knowledge and practices among Lebanese food handlers due to the lack of a reliable tool. The aim of the current study is to determine the reliability as well as the validity of an adopted Arabic version of the Osaili et al (2013) food safety questionnaire. Translation and back translation and testing equivalence were done using standard accepted procedures. A total of 110 undergraduate Nutrition and Dietetics students completed the questionnaire consisting of five subscales that covers major food safety concepts including personal hygiene, safe storage, cross contamination prevention, knowledge of health problems …

Biomimicry As An Urban Challenge In Shaping The Future Of Cultural Communities, Nora M. Rehan

Architecture and Planning Journal (APJ)

The cultural identity of urban communities is the main expression of historical privacy and shapes societies’ past, present, and future. It is an entity of cultural and knowledge accumulation stemming from the community's traditions and customs, which help to consolidate the social fabric and play an important role in the lives of individuals and the planning and development processes. Urban areas with cultural and heritage values are the most important competitive advantages of urban cities that are considered as a primary nucleus for achieving sustainability on a broader scale for the neighboring regions. One of the most important of those …

Embedding Virtual Reality In Architectural Pedagogy: Instructionism Versus Constructionism Approach, Marwa Charkas, Kareem S. Galal

Architecture and Planning Journal (APJ)

As more related to the typology of architectural pedagogy, Instructionism and Constructionism theories are used to make more advancement in this domain. They are concerned with the role of both instructor and learner within the outline of a well structured pedagogical framework (education system). However, the developments in information technology and its imprints on all life aspects have profoundly influenced this system. Architecture pedagogy -as in many other domains- is now radically affected by information technology (IT) developments. Virtual reality is one of the leading applications of IT in architecture.

This paper is concerned with embedding virtual reality in architectural …

Urban Waterfront Revitalization Through Landscape Design Enhancing Social-Cultural Conditions Of El-Mina, Tripoli, Chirine Traboulsi, Mostafa Khalifa, Eslam El Samahy, Khaled El-Daghar, Mary Felix

Architecture and Planning Journal (APJ)

The concept of waterfront revitalization has been a prominent notion in the field of urban planning and is considered an effective strategy to enhance deteriorated sites and inspire the identity and authenticity of communities. Nevertheless, there is no definite prescription for success when it comes to linking waterfront landscape design with improving the social and cultural site conditions in a deteriorating historical area. This paper examines the revitalization of the waterfront through greenway design in El-Mina, Tripoli, Lebanon in order to put emphasis on the local culture of the city and create socio-cultural opportunities for the area of study and …

Applying 3d Printing Technology In Constructing Sustainable Houses, Maged Youssef, Lena Abbas

Architecture and Planning Journal (APJ)

Innovation is advancing at an ever-expanding pace and has been for decades. Regular objects have gotten to be minimal in measure and cheaper to deliver. 3D printing technology (3DP), also known as additive manufacturing (AM), has gaining rapid development in recent years. is a method for turning a computer file into 3D solid objects of any shape or geometry. The creation is accomplished by building up layers of a certain substance until the full item is produced. The 3D printing technologies, comparing to traditional techniques of constructing the buildings, could be considered as environmentally friendly derivative giving almost unlimited possibilities …

Towards A New Paradigm In The Lebanese Urban Management System For Enhanced Master Plans’ Generation, Ali Srour, Baher I. Farahat

Architecture and Planning Journal (APJ)

With the fact that 88% of the population living in urban areas, Lebanon is a highly urbanized country. However, this high urbanization undergoes the severe lack of the proper urban planning methodologies and approaches resulting in the sprawl along infrastructure paths. The weakness or even the complete absence of the plans escorting the urban growth made every city or town a single urban area confronted by plenty of challenges. Decentralization has been a recurrent theme in Lebanese politics for many years, yet it’s now limited by an administrative scale, and at the municipal level only. This administrative decentralization affects the …

Determinants And Outcomes Of Urban Land Use Succession - Case Study Of Upper Hill, Nairobi, Elizabeth M.K. Nguah, Owiti A. K'Akumu, Mary Kimani

Architecture and Planning Journal (APJ)

This paper is based on a PHD research carried out to explore Urban Land Use Succession (ULUS) that is driven by private actors financed by local or global capital, referred to as property-led urban redevelopment. ULUS is manifested in indicators like land values, height of buildings, and migration. Its motive is profit taking contrasting it from ULUS that is driven by public and public-private partnerships (PPPs). ULUS has helped reimage cities, but in some cases, it has resulted in negative consequences such as pressure on existing infrastructure and patchwork land use patterns. A case study of Upper Hill is used …

Effect Of Green Facade On The Urban Microclimate With Different Street Canyon, Aya Mostafa Hassoun, Mary Felix

Architecture and Planning Journal (APJ)

Using simulation tools, this study investigates the effect of green walls (GWs) on the urban heat island (UHI) phenomenon within different street sizes. It can be planted without taking up more area and could enhance the microclimate environment, which is why it has a wide range of use potential in urban areas. Because Mina City has a threat of UHI, it was chosen for this study. The temperature within various street sizes in the research region was evaluated using only software called ENVI-met that simulates climate, and three common scenarios were chosen. In the first experiment, green walls extending over …

Augmenting Landmarks: Extending “Places” In The Hybrid City, Mohab N. Moustafa, Shaimaa S. Ashour, Ramy A. Bakir

Architecture and Planning Journal (APJ)

Several recent technological advancements are substantially altering how we interact with urban spaces. The existing physical space as we know it now encompasses a plethora of emerging realities into which we shift in and out, resulting in what is called Hybrid Spaces. Augmented Reality (AR) today gives way to forms of hybrid realities that are accessible through our handheld devices, and which allow us to engage with our physical reality in a new way. These devices allow us to access and view digital information that is saturating our urban spaces, and yet appear invisible to the naked eye. When this …

The Virtuality Of Intelligent Cities - The Road To Hybridizing Our New Cities, Fatma A. Farrag, Heba Allah E. Khalil

Architecture and Planning Journal (APJ)

The incorporation IoT into our social systems and the digitization of our everyday life has become the new norm for societies worldwide. This study posits that digitization should apply to our cities as well. The digital aspect of technology is not always tangible – even in the figurative sense of grasping a concept – and its allure lies in this virtual aspect. That is the starting point of discussion in this paper – the virtuality of intelligent cities, the intangible forces that make these new cities smart, and how said forces can be incorporated to create new smart hybrid cities …

Gamification In Urban Planning - Experiencing The Future City, Suedanur Özden, Esra Arslantürk, Mehmet Senem, İmdat As

Architecture and Planning Journal (APJ)

Virtual Reality (VR) systems have been commonly used in the game and entertainment industries and are also increasingly explored in architecture and urban planning. They assist designers to communicate design ideas to a wider public and can engage them in the design processes. In this paper, we explore gaming environments to allow users to learn about smart city applications, such as innovative mobility approaches, urban farming, drone delivery, etc. The project is part of a real-world project for a future city for 50,000 inhabitants in the European side of Istanbul, Turkey. VR technologies can offer a testing ground for testing …

Mindful Space In Sentences - A Dataset Of Virtual Emotions For Natural Language Classification, Han Tu, Chunfeng Yang

Architecture and Planning Journal (APJ)

Spatial emotions have played a critical role in visual-spatial environmental assessment, which can be assessed using bio-sensors and language description. However, information on virtual spatial emotion assessment with objective emotion labels and natural language processing (NLP) is insufficient in literature. Thus, designers’ ability to assess spatial design quantitatively and cost effectively is limited before the design is finalized. This research measures the emotions expressed using electroencephalograms (EEGs) and descriptions in virtual reality (VR) spaces with different parameters. First, 26 subjects experienced 10 designed virtual spaces with a VR headset (Quest 2 device) corresponding to the different space parameters of shape, …

Augmented Masonry Design - A Design Method Using Augmented Reality (Ar) For Customized Bricklaying Design Algorithms, Yang Song, Asterios Agkathidis, Richard Koeck

Architecture and Planning Journal (APJ)

The Augmented Masonry Design project presents experimental research about developing and applying Augmented Reality (AR) technology for customized design algorithms, exploring a real-time, interactive, and spatial-free design method for the early architectural design stage. We aim to resolve the current 2D-based design limitations and provide architects with a 3D-4D immersive perception in AR for a practical and easy-to-use design method. Furthermore, with reference to the Covid-19 pandemic, we propose that this method could break through site accessibility and constraints by breaking the barriers of physical space. Towards this aim, we apply the Augmented Masonry Design into two prototypes: a) user …

Simulating Human Senses To Improve Thermal Comfort, Ahmed Marey, Nihal Alsabbagh

Architecture and Planning Journal (APJ)

Between the synergies of environmental perception and technological advancement evolves the parallel world of the metaverse. Evolutionary virtuality intends to aid humanity in envisioning the threatened future of cities under environmental risks through tailored features. Traditionally, the sense of sight – which is the focus of virtual reality – has dominated the architectural practice. However, architects and urban designers have begun incorporating other senses into their work over the recent decade. The expanding understanding of the multimodal nature of the human mind that has evolved from cognitive neuroscience research has received little attention so far in the architecture field. This …

An Evaluation Of Augmented Reality-Based User Interfaces In The Design Process, Feyza Nur Koçer Özgün, Sema Alaçam

Architecture and Planning Journal (APJ)

The aim of this study is to evaluate the user interfaces that reflect different interaction layers in the context of Augmented Reality technology. Depending on the physical characteristics of human interaction with the computer, these layers were examined under four sections: Graphical User Interface (GUI), Tangible User Interface (TUI), Natural User Interface (NUI) and Spatial User Interface (SUI). In this context, a proposed Augmented Reality application interface has been developed to bridge the physical and digital environment. The use of AR-based applications in the design process provided a basis for evaluating the user interface in these interaction layers. In future …

Research Data Management And A System Design To Semi-Automatically Complete Integrated Data Management Plans [Position Paper], Syed Ashfaq Hussain Shah, Frank Petzold

Architecture and Planning Journal (APJ)

Data is an integral part of modern scientific work. Good research data management (RDM) and the communication of the related information is extremely an important matter. It is not only crucial for the ongoing research and its claims but also for the future uses of data. In recent years some guiding principles, e.g. FAIR principles and initiatives at the national and international level, e.g. NFDI, NFDI4Ing have also been founded to improve RDM. The data and its metadata are often handled in file system like structures which are versioned and logged. The information relating to the data handling are documented …