Ali Majdi

Ali Majdi
Al-Mustaqbal University College · Building and Construction Techniques Engineering Department

Doctor of Engineering
work at Al- Mustaqbal University College. Researches in Sustainable Development and Civil Engineering

About

93
Publications
9,767
Reads
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182
Citations
Citations since 2016
92 Research Items
176 Citations
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2016201720182019202020212022050100150
2016201720182019202020212022050100150
2016201720182019202020212022050100150

Publications

Publications (93)
Article
Recently, the exploitation of renewable energies and technologies in order to reduce the restrictions of fossil fuels is the attention of energy managers and engineers. Additionally, energy production cycles based on solid oxide fuel cells (SOFCs) are known for their versatility in fuel intake. In this regard, in the current article the thermodynam...
Article
Recently, solid oxide fuel cells (SOFCs) have been known as a popular technology due to their versatility in fuel intake, carbon-free process, and scalability in various applications. Besides that, the utilization of their exhaust heat in cascade cycles improves the process behavior by increasing the energy production rate. From the literature, gas...
Article
A worldwide shortage of drinkable water has resulted from the rapid rise of industrialization and population, which has prompted researchers to find an alternative method to meet this requirement. Solar still are systems powered by solar energy that can provide drinkable water, however it has a low production issue. In this study a conventional sol...
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Full-text available
Concrete mechanical properties could be improved through adding different materials at the mixing stage. Quarry dust (QD) is the waste produced by manufactured sand machines and comprise approximately 30–40% of the total quantity of QD generated. When it dries, it transforms into a fine dust that poses a tremendous hazard to the environment by cont...
Article
In this study, the mechanism of biodiesel production from jatropha oil and methanol is investigated in the presence of nano-graphene oxide (NGO) with carboxy, hydroxy, and epoxy functional groups. This heterogeneous nano-catalyst can be included in the group of heterogeneous basic and acidic catalysts in biodiesel production. At first, optimized an...
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It is generally agreed that solar energy, which can be converted into usable electricity by means of solar panels, is one of the most important renewable energy sources. An energy and exergy study of these panels is the first step in developing this technology. This will provide a fair standard by which solar panel efficiency can be evaluated. In t...
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Despite being strong under compression, concrete is rather weak when subjected to tensile stress. Concrete has been reinforced with a variety of materials over time in order to resist tensile stresses. Among various types of fibers, polypropylene fiber, which is available in a range of sizes, is being used to strengthen concrete. The fiber also inc...
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Every year, millions of tons of red mud (RDM) are created across the globe. Its storage is a major environmental issue due to its high basicity and tendency for leaching. This material is often kept in dams, necessitating previous attention to the disposal location, as well as monitoring and maintenance during its useful life. As a result, it is cr...
Article
Smart buildings are one of the areas of interest for researchers today and are of special importance in large buildings. Air quality control in buildings is one of the crucial issues in this field that is directly related to the health and efficiency of people inside the building. This article presents a model for predicting indoor air quality, con...
Article
The availability of freshwater suitable for human use is a modern problem in many countries of the world. There are different methods that can be considered to overcome this problem, among them solar distillers, which are an acceptable solution in places far from urbanization and for families of medium numbers. This paper presents a different desig...
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Self-Compacting Concrete (SCC) has congested structural components and an inaccessible position. Mixing concrete multiple times becomes time-consuming and expensive. Due to a lack of competence in mixture design, analyzing appropriate mixture components and their influence on SCC's mechanical behavior might be a real-time concern in the constructio...
Article
One of the problems that the world is increasingly facing day by day is the problem of lack of potable water. Solar stills are one of the ideal solutions for places far from urbanization and unprepared civilly. The main aim of this present study is to investigate the effect of utilizing various burlap wicks of jute cloth, cotton cloth, plush cloth,...
Article
In present work, anode materials of pristine boron nitride (BN) and its Stone-Wales defect (SW-BN) nanosheets have been studied for calcium ion batteries (CIBs), which include related cell voltage and theoretical capacity attributes, structural geometry variations, and Ca diffusion. Compared with the BN monolayer, Stone-Wales BN has superior conduc...
Article
Level of economic development of countries in post-epidemic years has been significantly improved by the rapid recovery of trade and industry. Nevertheless, main issue of harmful gas emissions has been refocused. The first point to overcome this challenge is to employ proper approaches for convenient, accurate, and real-time monitoring of harmful g...
Article
The main objective of this study is to present a multi-objective and optimal hybrid PV/diesel generator/ battery Renewable Energy System (HRES) to provide this reliability in the Hotan county, placed in Taklamakan Desert. This study uses the ɛ-constraint method along with a developed version of the coyote optimization algorithm to achieve the best...
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Determining the aeration efficiency of the stepped spillways is important because the Dissolved Oxygen (DO) concentration helps indicate the water quality. This study investigated the effects of varying step shape and chute slope on the aeration efficiency for stepped spillways. The measured parameters were DO, the inception point of the free surfa...
Preprint
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Methane (CH 4 ), and carbon dioxide (CO 2 ) are only a few of the greenhouse gases that are significantly produced by humans and are found in landfills. This study presents an application of the Land GEM model to determine the environmental loads of dumping waste sites gases released from the landfill in Al-Hillah city, Iraq. The expected quantity...
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The low tensile capacity of concrete often results in brittle failure without any warning. One way to cope with this issue is to add fibers and essentially improve the tensile strength (TS) behavior of concrete and offset its undesirable brittle failure. In recent investigations, basalt fibers (BFs), as compared to a variety of other kinds of fiber...
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The partial replacement of cement in concrete with other building materials has come to light because of research on industrial waste and sustainable building practices. Concrete is made more affordable by using such components, and it also helps to ease disposal worries. Ash made by burning wood and other wood products is one example of such a sub...
Article
The investigation of the rock massifs' cracking is a crucial step in characterizing rocks since it greatly affects their mechanical behavior. In this study, large rock core samples (70 mm) were subjected to temperatures as high as 750°C and pressures as high as 50 MPa, and a novel ultrafast time‐resolution technique on the basis of a pulsed laser w...
Article
Heavy metals are chemical elements with unique properties that are toxic even in low concentrations and affect human health with different functions. Agricultural and industrial activities, improper disposal of household solid waste and residues related to industrial producers, discharge of household wastewater and agricultural fertilizers are the...
Article
In modern times, the majority of the world's energy consumption is attributable to the heating and cooling of residential buildings. Because of this, the development of sustainable energy sources has increased dramatically, particularly in residential buildings, with the goal of reducing the amount of energy that is consumed within buildings. An ex...
Article
This study was conducted the 7-story building in Jakarta, Indonesia and was selected as a research sample. The study aimed to enhancing smart buildings' energy management. Descriptive and analytical methods were used in this study. Analyzing the building's materials (Facade stone, cement sand mortar, Leca block, gypsum and soil mortar, gypsum soft...
Article
The new code has been developed for simulating the freezing of nanomaterial with water base PCM. This code was based on Galerkin approach and style of grid depends on position of solid first layer. The two surfaces have been maintained at cold temperature and fins have been mounted to increase the space of cold area. The single phase techniques for...
Article
Acid mine drainage (AMD) is the term used to describe drainage from coal mines with high sulfur-bearing rocks. The oxidative weathering of metal sulfides leads to AMD. The acidic environment corrodes more harmful compounds in the soil, which is spread throughout the working area. One such significant metal is copper, which is extracted in massive q...
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Self-compacting concrete (SCC) uses a lot of natural resources, much like regular concrete, which results in unsustainable construction. Even though silica fume (SF) and other secondary cementitious materials are the subjects of a lot of studies, to determine the past, present, and future direction of research, information must first be reviewed. T...
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Resistance value (R-value) is one of the basic subgrade stiffness characterizations that express a material’s resistance to deformation. In this paper, artificial intelligence (AI)-based models—especially M5P, support vector machine (SVM), and Gaussian process regression (GPR) algorithms—are built for R-value evaluation that meets the high precisio...
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This study investigated the effect of elevated temperature on the mechanical, physical and durability properties of normal strength concrete, modified with bentonite. The bentonite concrete was cast by substituting cement with bentonite content in proportions of 5, 10 and 15% by weight. Mechanical tests were conducted (compressive and splitting ten...
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The need for low-cost raw materials is driven by the fact that iron ore tailings, a prevalent kind of hazardous solid waste, have created major environmental issues. Although many studies have focused on using iron ore tailing (IOT) in concrete and have reported positive results, readers may find it difficult to accurately assess the behaviors of I...
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Metakaolin (MTK) has received a lot of interest in the past two decades as a supplemental cementitious ingredient. MTK is actively being utilized in concrete and there is a large body of literature on the characteristics of concrete containing MTK. A rigorous evaluation of the use of MTK in concrete, however, is lacking, which is required to better...
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Natural fibers are an excellent alternative since they are inexpensive and easily accessible in fibrous form. Several researchers claim that jute fiber (JTF) can be used in concrete to improve its strength and durability performance. This review describes the characteristics and potential uses of some jute fibers in concrete. The main theme of this...
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According to the authors’ best information, the majority of research focuses on other waste materials, such as recycling industrial waste (glass, silica fume, marble and waste foundry sand), etc. However, some researchers suggest dune sand as an alternative material for concrete production, but knowledge is still scarce. Therefore, a comprehensive...
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Microplastics (MPs) and nanoplastics (NPs) have become an important global environmental issue due to their widespread contamination in the environment. This review summarizes existing literature on the effects of MPs/NPs on three important biomarkers including enzymatic activity, gene expression, and histopathology in various organisms from 2016 t...
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In deep foundations, the pile group and the pile raft are generally used. To date, the contribution of the raft is not taken into account in the design, even when the raft is in contact with the soil and the whole system is therefore considered to work as a pile group foundation. In a combined pile raft system, the raft takes a considerable portion...
Article
In this article, we show that tribromide heterogenized on the surface of silica-coated magnetic nanoparticles modified with N²,N4,N⁶-tris(aminomethyl)-1,3,5-triazine-2,4,6-triamine [Fe3O4@SiO2-tris(triazine-triamine)-Br3] is a novel and efficient reusable nanocatalyst for the oxidation of sulfides to sulfoxides and oxidative coupling of thiols to d...
Article
Copper (II) complex immobilized on the surface of silica-coated magnetic nanoparticles functionalized with di(pyridin-2-yl)amine (Fe3O4@SiO2-di(pyridin-2-yl)amine-Cu(II)) was successfully fabricated and characterized by various analyses including FT-IR, SEM, TEM, EDX, TGA, XRD, VSM, AAS and ICP-OES techniques. The catalytic behavior of Fe3O4@SiO2-d...
Article
Accepting the fact that there is a huge number of virus particles in food that lead to several infectious diseases, eliminating of the foodborne virus from food is tangible. In 2020, the appearance of new SARS-CoV-2 variants had remarked the importance of food safety in our lives. Detection virus is a dynamic domain. Recently, many papers have trie...
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Utilizing scrap tire rubber by incorporating it into concrete is a valuable option. Many researchers are interested in using rubber tire waste in concrete. The possible uses of rubber tires in concrete, however, are dispersed and unclear. Therefore, a compressive analysis is necessary to identify the benefits and drawbacks of rubber tires for concr...
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One of the most appropriate electricity production systems is solid oxide fuel cells (SOFCs), which are important because they are highly efficient, flexible to fuel, and have fewer environmental degradation effects. A new optimum technique has been provided for providing well-organized unknown parameters identification of the solid oxide fuel cell...
Article
Successful mining soil reclamation promotes ecosystem recovery, reduces negative environmental effects, adds more area for forestry or agricultural purposes, and increases carbon (C) sequestration. In order to increase soil erosion management, improve soil quality, reduce pollutants, and assure safe land application of traditional amendment materia...
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Copper slag (CPS) is a large amount of waste material produced during the manufacture of copper. The disposal of this waste material becomes a problem for environmental concerns. Therefore, it is necessary to explore feasible alternate disposal options. They may also be utilized in concrete manufacturing to cut down on the usage of cement and natur...
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While adding superabsorbent polymer hydrogel particles to fresh concrete admixtures, they act as internal curing agents that absorb and then release large amounts of water and reduce self-desiccation and volumetric shrinkage of cement that finally result in hardened concrete with increased durability and strength. The entrainment of microscopic air...
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Prior studies in the literature show promising results regarding the improvements in strength and durability of concrete upon incorporation of glass fibers into concrete formulations. However, the knowledge regarding glass fiber usage in concrete is scattered. Moreover, this makes it challenging to understand the behavior of glass fiber-reinforced...
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Existing bond-slip (τ-s) relations for fibre-reinforced polymer (FRP)-steel joints employ different shapes and mathematical expressions, inferring that their predictions of failure load and mode, and other interface properties, might be inconsistent or inaccurate. In this study, predictions of four widely used τ-s relations are evaluated using a la...
Article
Full-text available
Existing bond-slip (τ-s) relations for fibre-reinforced polymer (FRP)-steel joints employ different shapes and mathematical expressions, inferring that their predictions of failure load and mode, and other interface properties, might be inconsistent or inaccurate. In this study, predictions of four widely used τ-s relations are evaluated using a la...
Article
Full-text available
Existing bond-slip (τ-s) relations for fibre-reinforced polymer (FRP)-steel joints employ different shapes and mathematical expressions, inferring that their predictions of failure load and mode, and other interface properties, might be inconsistent or inaccurate. In this study, predictions of four widely used τ-s relations are evaluated using a la...
Article
In the last few decades, the concrete industry has been massively expanded with the adoption of various kinds of binding materials. As a substitute to cement and in an effort to relieve ecofriendly difficulties linked with cement creation, the utilization of industrial waste as cementitious material can sharply reduce the amount of trash disposed o...
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Concrete is a commonly used building material; however, it is subject to abrupt failure and limited energy absorption when yielding. The use of short discrete fibers has displayed a lot of potential in overcoming these issues. Sisal is a natural fiber that is renewable, inexpensive, and readily accessible. SSF is a potential reinforcement for use i...
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Plastics have become an essential part of our daily lives, and global plastic production has increased dramatically in the past 50 years. This has significantly increased the amount of plastic garbage produced. Researchers have recently been interested in using trash and recyclable plastics in concrete as an ecologically acceptable building materia...
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Based on the salp swarm algorithm (SSA), this paper proposes an efficient metaheuristic algorithm for solving global optimization problems and optimizing two commonly encountered geotechnical engineering structures: reinforced concrete cantilever retaining walls and shallow spread foundations. Two new equations for the leader- and followers-positio...
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The ORR on surfaces of Ni-SiNT, Ni2-SiNT, Pt2-CNT, and Pt2-Si82 catalysts are investigated and compared with platinum metal catalysts. The structure–activity parameters for Ni-SiNT, Ni2-SiNT, Pt2-CNT, and Pt2-Si82 and their complexes with species are calculated and compared. The *OOH-nano-compounds can perform the pathway 1 which includes the react...
Article
Density functional theory (DFT) calculations were undertaken to investigate the effect of Fe-doping on the capability of a graphene-like BC3 nano-sheet ([email protected]3NS) in detecting the gas SO3. The interaction of the pure BC3NS with SO3 was a physisorption, showing that it could not be used as a sensor. However, there was a considerable incr...
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The renewable energy is expanding in the sub-systems of distribution electrical grids, due to having low energy costs and high reliability. In this study, off-grid design of the hybrid energy system based-renewable resources is proposed for a house in Hamadan city in Iran. The resources are designed based on economic and climate data such as batter...
Article
We utilized quantum-chemical computations for computing the thermodynamic variations in the Gibbs free energy of the potential reaction steps in the oxygen reduction reaction (ORR) of the nickel- and nitrogen-doped graphene (NiN3-Gr) catalyst's active center. We observed the consistency of the energies of adsorption for all O-containing intermediat...
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Surface water and groundwater are significant for population and other activities due to the decreasing surface water flow toward Iraq. Therefore, there is a need to analyze groundwater’s quality and classification and its applicability as an alternative in various human activities in the study area. This study utilized the groundwater quality inde...
Article
Analytical techniques as strong, precise, and expensive are necessary for monitoring food and water safety for contaminants, microorganisms, and allergies that might be harmful if used. Sudan dyes are commonly utilized as an ingredient in food dye substances and a variety of industrial items. These colors are classified as three carcinogens and are...
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Infrared thermometers are increasingly used to measure human body temperature during the COVID-19 epidemic. Mishandling the instrument and varying ambient conditions result in inaccurate measurements in numerous situations. The ambient temperature heavily influences the recorded body temperature value. The thermodynamic word entropy can be used to...
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The push for sustainability in the construction sector has demanded the use of increasingly renewable resources. These natural fibers are biodegradable and non-toxic, and their mechanical capabilities are superior to those of synthetic fibers in terms of strength and durability. A lot of research recommends coconut fibers as an alternative to synth...
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Currently, Nano-materials are gaining popularity in the building industry due to their high performance in terms of sustainability and smart functionality. In order to reduce cement production and CO2 emissions, nano-silica (NS) has been frequently utilized as a cement alternative and concrete addition. The influence of Nano-silica-containing hydro...
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The graphite nano/micro platelets (GNMPs) offer distinct features for the effective reinforcement of cementitious matrices in the behaviors of concrete. The thoroughly dispersed and well-bonded nanomaterials provide effective control of the size and propagation of defects (microcracks) in the matrix and also act as closely spaced barriers against d...
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Despite cement’s superior performance and inexpensive cost compared to other industrial materials, crack development remains a persistent problem in concrete. Given the comparatively low tensile strength, when cracks emerge, a pathway is created for gas and water to enter the cementitious matrix, resulting in steel reinforcement corrosion which com...