Civil and Environmental Engineering

Iron slag/activated carbon-electrokinetic system with anolyte recycling for single and mixture heavy metals remediation

Hamdi, Faris M.; Altaee, Ali; Alsaka, Lilyan; Ibrar, Ibrar; AL-Ejji, Maryam; ... more authors ... less authors ( Elsevier , 2024 , Article)

The electrokinetic process has been proposed for in-situ soil remediation to minimize excavation work and exposure to hazardous materials. The precipitation of heavy metals in alkaline pH near the cathode is still challenging. ...

Acoustic Source Localization in Composite Plates using sideband peak count – Index Technique

Alnuaimi, H.; Amjad, U.; Kundu, T. ( Elsevier , 2024 , Article)

In this study the Non-Linear Ultrasonic Sideband Peak Count-Index (SPC-I) technique is used as the foundation for anovel approach towards acoustic source localization (ASL) in orthotropic composite plates. The SPC-I based ...

Numerical modeling with experimental verification investigating the effect of various nonlinearities on the sideband peak count-index technique

Zhang, Guangdong; Hu, Bo; Alnuaimi, Hamad; Amjad, Umar; Kundu, Tribikram ( Elsevier , 2024 , Article)

A newly developed nonlinear ultrasonic (NLU) technique called sideband band peak count-index (or SPC-I) measures the degree of nonlinearity in materials by counting the sideband peaks above a moving threshold line – larger ...

A lamellar chitosan-lignosulfonate/MXene nanocomposite as binder-free electrode for high-performance capacitive deionization

Alfahel, Radwan; Tong, Yongfeng; Pasha, Mujaheed; Hawari, Alaa H.; Mahmoud, Khaled A. ( Elsevier , 2024 , Article)

Ti3C2Tx (MXene) is considered as a superior electrode material for capacitive deionization (CDI) due to its high conductivity and two-dimensional structure. However, the electrochemical performance of pristine MXene ...

A novel video-vibration monitoring system for walking pattern identification on floors

Abdeljaber, Osama; Hussein, Mohammed; Avci, Onur; Davis, Brad; Reynolds, Paul ( Elsevier , 2020 , Article)

Walking-induced loads on office floors can generate unwanted vibrations. The current multi-person loading models are limited since they do not take into account nondeterministic factors such as pacing rates, walking paths, ...

A novel test method for tendon re-anchorage in bonded post tensioned concrete using ESPI full field measurement

Abdelatif, A.O.; Owen, J.S.; Hussein, M.F.M. ( Springer , 2020 , Article)

In this paper, a novel test method is proposed to measure the re-anchorage of a ruptured tendon in bonded post-tensioned concrete. Full-field measurements on post-tensioned concrete prisms (500 x 100 x 100 mm) allow a large ...

A numerical and experimental investigation of a special type of floating-slab tracks

Alabbasi, Sateh; Hussein, Mohammed; Abdeljaber, Osama; Avci, Onur ( Elsevier , 2020 , Article)

Floating-Slab Tracks (FST) are predominantly used for mitigating railway-induced vibrations where the concrete slab is mounted on soft resilient bearings to provide vibration isolation. This paper presents a research study ...

Assessing walking and cycling around schools

Shaaban, Khaled; Abdur-Rouf, Khadija ( MDPI , 2020 , Article)

To encourage students to walk and cycle to school and ensure their health and safety, it is essential to provide safe and operationally efficient infrastructure around schools. This study used an audit tool to assess the ...

Energy Harvesting Using Optimized ZnO Polymer Nanocomposite-Based 3D-Printed Lattice Structure

Maurya, Muni Raj; Alhamdi, Mazen; Al-Darwish, Fawziya; Sadek, Faisal; Douglas, Yousef; ... more authors ... less authors ( Multidisciplinary Digital Publishing Institute (MDPI) , 2024 , Article)

A 3D-printable polymer can provide an effective solution for developing piezoelectric structures. However, their nanocomposite formulation and 3D printing processability must be optimized for fabricating complex geometries ...

Performance of polysulfone ultrafiltration membranes incorporating graphene oxide nanoparticles functionalized with different generations of poly(amido amine)

Ahmed T., Yasir; Benamor, Abdelbaki; Ba-Abbad, Muneer; Hawari, Alaa H. ( Elsevier Ltd , 2024 , Article)

Poly (amido amine) or PAMAM possesses an abundance of amine functional groups. The number of these hydrophilic groups increases exponentially with increasing PAMAM generation. Incorporating these hydrophilic functional ...

Erratum: An early cost estimation model for hydroelectric power plant projects using neural networks and multiple regression analysis (Journal of Civil Engineering and Management 21:4 (470-477) DOI: 10.3846/13923730.2014.890657)

Gunduz, Murat; Sahin, Haci Bayram ( Vilnius Gediminas Technical University , 2015 , Article)

The printed version of the article “An early cost estimation model for hydroelectric power plant projects using neural networks and multiple regression analysis” by Murat Gunduz and Haci Bayram Sahin published in the Journal ...

A Collection of 30 Multidimensional Functions for Global Optimization Benchmarking

Plevris, Vagelis; Solorzano, German ( MDPI , 2022 , Article)

A collection of thirty mathematical functions that can be used for optimization purposes is presented and investigated in detail. The functions are defined in multiple dimensions, for any number of dimensions, and can be ...

Chatbots Put to the Test in Math and Logic Problems: A Comparison and Assessment of ChatGPT-3.5, ChatGPT-4, and Google Bard

Plevris, Vagelis; Papazafeiropoulos, George; Jiménez Rios, Alejandro ( MDPI , 2023 , Article)

In an age where artificial intelligence is reshaping the landscape of education and problem solving, our study unveils the secrets behind three digital wizards, ChatGPT-3.5, ChatGPT-4, and Google Bard, as they engage in a ...

Predicting Crack Width in CFRP-Strengthened RC One-Way Slabs Using Hybrid Grey Wolf Optimizer Neural Network Model

Razavi Tosee, Seyed V.; Faridmehr, Iman; Nehdi, Moncef L.; Plevris, Vagelis; Valerievich, Kiyanets A. ( MDPI , 2022 , Article)

This study deploys a hybrid Grey Wolf Optimizer Neural Network Model for predicting the crack width in reinforced concrete slabs strengthened with carbon fiber-reinforced polymers (CFRP). Reinforced concrete (RC) one-way ...

Multi-Directional Functionally Graded Sandwich Plates: Buckling and Free Vibration Analysis with Refined Plate Models under Various Boundary Conditions

Hadji, Lazreg; Plevris, Vagelis; Madan, Royal; Ait Atmane, Hassen ( MDPI , 2024 , Article)

This study conducts buckling and free vibration analyses of multi-directional functionally graded sandwich plates subjected to various boundary conditions. Two scenarios are considered: a functionally graded (FG) skin with ...