Search Results - "Rawaz Kurda"

The past and future of sustainable concrete: A critical review and new strategies on cement-based materials by de Brito, Jorge, Kurda, Rawaz

“…The negative impacts of cement-based material (CBM) production are way bigger than ever expected. To illustrate the scale of this phenomenon, all the forests…”
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Influence of recycled aggregates and high contents of fly ash on concrete fresh properties by Kurda, Rawaz, de Brito, Jorge, Silvestre, José D.

“…This study presents the fresh properties of concrete with supplementary cementitious materials (SCM) and recycled concrete aggregates (RCA), with emphasis on…”
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Synergic effect of polyester fiber and nano silica on chemical resistance of geopolymer mortar by Hussein, Twana Ahmed, Mosaberpanah, Mohammad Ali, Kurda, Rawaz

“…The aim of this study is to evaluate the synergistic effect of polyester fiber-reinforced and nanoslica on the technical performance and durability of…”
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Incorporation of Alkali-Activated Municipal Solid Waste Incinerator Bottom Ash in Mortar and Concrete: A Critical Review by Kurda, Rawaz, Silva, Rui Vasco, de Brito, Jorge

“…In the light of one of the most common waste management issues in urban areas, namely the elimination of municipal solid waste (MSW; about 486 kg of the waste…”
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Evaluation of Mechanical and Permeability Characteristics of Microfiber-Reinforced Recycled Aggregate Concrete with Different Potential Waste Mineral Admixtures by Alyousef, Rayed, Ali, Babar, Mohammed, Ahmed, Kurda, Rawaz, Alabduljabbar, Hisham, Riaz, Sobia

“…Plain recycled aggregate concrete (RAC) struggles with issues of inferior mechanical strength and durability compared to equivalent natural aggregate concrete…”
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ANN, M5P-tree and nonlinear regression approaches with statistical evaluations to predict the compressive strength of cement-based mortar modified with fly ash by Mohammed, Ahmed, Rafiq, Serwan, Sihag, Parveen, Kurda, Rawaz, Mahmood, Wael, Ghafor, Kawan, Sarwar, Warzer

“…This study aims to establish systematic multiscale models to predict the compressive strength of cement mortar containing a high volume of fly ash (FA) and to…”
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Comprehensive multiscale techniques to estimate the compressive strength of concrete incorporated with carbon nanotubes at various curing times and mix proportions by Piro, Nzar Shakr, Salih, Ahmed, Hamad, Samir M., Kurda, Rawaz

“…Concrete as a building material is classified as either normal or high strength based on its compressive strength. The compressive strength of conventional…”
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Heat-Induced Spalling of Concrete: A Review of the Influencing Factors and Their Importance to the Phenomenon by Mohammed, Hussein, Ahmed, Hawreen, Kurda, Rawaz, Alyousef, Rayed, Deifalla, Ahmed Farouk

“…Heat-induced spalling in concrete is a problem that has been the subject of intense debate. The research community has, despite all the effort invested in this…”
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Effect of Varying Steel Fiber Content on Strength and Permeability Characteristics of High Strength Concrete with Micro Silica by Ali, Babar, Kurda, Rawaz, Herki, Bengin, Alyousef, Rayed, Mustafa, Rasheed, Mohammed, Ahmed, Raza, Ali, Ahmed, Hawreen, Fayyaz Ul-Haq, Muhammad

“…For the efficient and durable design of concrete, the role of fiber-reinforcements with mineral admixtures needs to be properly investigated considering…”
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Comparison Between Two Nonlinear Models to Predict the Stress–Strain Behavior, Modulus of Elasticity, and Toughness of the Flowable Cement Paste by Emad, Wael, Mohammed, Ahmed, Kurda, Rawaz

“…The present article discusses the influence of two types of polymeric admixture on the stress–strain ( σ - ε ) behavior, elastic modulus, and toughness of…”
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Enhancing the Hardened Properties of Recycled Concrete (RC) through Synergistic Incorporation of Fiber Reinforcement and Silica Fume by Ali, Babar, Ahmed, Hawreen, Ali Qureshi, Liaqat, Kurda, Rawaz, Hafez, Hisham, Mohammed, Hussein, Raza, Ali

“…Portland cement concrete is fragile in tension and it has numerous negative impacts on the environment. To deal with these issues, both fiber reinforcement and…”
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Toxicity and environmental and economic performance of fly ash and recycled concrete aggregates use in concrete: A review by Kurda, Rawaz, Silvestre, José D., de Brito, Jorge

“…This paper presents an overview of previous studies on the environmental impact (EI) and toxicity of producing recycled concrete aggregates (RCA), fly ash…”
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Experimental study using ASTM and BS standards and model evaluations to predict the compressive strength of the cement grouted sands modified with polymer by Emad, Wael, Salih, Ahmed, Kurda, Rawaz

“…The present article discusses the impact of the different grain sizes of sand on the ultimate stress of hand-mixed cement grouted sand modified with…”
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Modified Artificial Neural Networks and Support Vector Regression to Predict Lateral Pressure Exerted by Fresh Concrete on Formwork by Kandiri, Amirreza, Shakor, Pshtiwan, Kurda, Rawaz, Deifalla, Ahmed Farouk

“…In this study, a modified Artificial Neural Network (ANN) and Support Vector Regression (SVR) with three different optimization algorithms (Genetic, Salp Swarm…”
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A Systematic Review of the Discrepancies in Life Cycle Assessments of Green Concrete by Hafez, Hisham, Kurda, Rawaz, Cheung, Wai Ming, Nagaratnam, Brabha

“…It is challenging to measure the environmental impact of concrete with the absence of a consensus on a standardized methodology for life cycle assessment…”
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Modeling Flexural and Compressive Strengths Behaviour of Cement-Grouted Sands Modified with Water Reducer Polymer by Mahmood, Wael, Mohammed, Ahmed Salih, Asteris, Panagiotis G., Kurda, Rawaz, Armaghani, Danial Jahed

“…By using the American Society for Testing and Materials and British Standards standards, the impact of various grading of sand (Five types of sand) on the…”
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Combined Economic and Mechanical Performance Optimization of Recycled Aggregate Concrete with High Volume of Fly Ash by Kurda, Rawaz, de Brito, Jorge, Silvestre, José

“…This study intends to evaluate high and low-strength concrete mixes made with high volume of fly ash (FA) and recycled concrete aggregates (RCA) from both a…”
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Special Issue Low Binder Concrete and Mortars by de Brito, Jorge, Kurda, Rawaz

“…It is well known that, after water, concrete and mortars are the most demanded materials worldwide [...]…”
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Hybrid nonlinear regression model versus MARS, MEP, and ANN to evaluate the effect of the size and content of waste tire rubber on the compressive strength of concrete by Ismael Jaf, Dilshad Kakasor, Abdalla, Aso, Mohammed, Ahmed Salih, Abdulrahman, Payam Ismael, Rawaz Kurda, Mohammed, Azad A.

“…Tire rubber waste is globally accumulated every year. Therefore, a solution to this problem should be found since, if landfilled, it is not biodegradable and…”
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A Critical Review on the Influence of Fine Recycled Aggregates on Technical Performance, Environmental Impact and Cost of Concrete by Hafez, Hisham, Kurda, Reben, Kurda, Rawaz, Al-Hadad, Botan, Mustafa, Rasheed, Ali, Barham

“…The aim of this critical review is to show the applicability of recycled fine aggregates (RFA) in concrete regarding technical performance, environmental…”
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