Browsing Civil & Architectural Engineering by Title
Now showing items 518-537 of 769
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Near Surface Embedded Application for FRCM Strengthening of RC Beams in Flexure
( Qatar Univesrity Press , 2020 , Conference Paper)In this paper, the efficacy of a recent strengthening technique, referred to as Near Surface Embedded (NSE), has been investigated for flexural strengthening of Reinforced Concrete (RC) beams using Fabric Reinforced ... -
Near surface embedded-FRCM for flexural strengthening of reinforced concrete beams
( Elsevier Ltd , 2019 , Article)Fibre reinforced cementitious matrix (FRCM) systems are mostly externally bonded (EB) for the strengthening of reinforced concrete (RC) and masonry structures. In this paper, the relatively new concept of near-surface ... -
New model for estimating geometric tortuosity of variably saturated porous media using 3D synchrotron microcomputed tomography imaging
( John Wiley and Sons Inc , 2021 , Article)Tortuosity has a significantimpact on flow and transport characteristics of porous media and plays a major role in many applications such as enhanced oil recovery, contaminant transport in aquifers, and fuel cells. Most ... -
Nonexplosive Deconstruction of Steel Girder Highway Bridges
( American Society of Civil Engineers (ASCE) , 2017 , Article)While the transportation system of the United States rapidly ages and expands, there is increasing demand for the demolition, replacement, modification, or rehabilitation of existing bridges; all of these actions require ... -
Nonlinear forced vibrations of multi-scale epoxy/CNT/fiberglass truncated conical shells and annular plates via 3D Mori-Tanaka scheme
( Techno-Press , 2020 , Article)In the context of classic conical shell formulation, nonlinear forced vibration analysis of truncated conical shells and annular plates made of multi-scale epoxy/CNT/fiberglass composites has been presented. The composite ... -
Nonparametric structural damage detection algorithm for ambient vibration response: Utilizing artificial neural networks and self-organizing maps
( American Society of Civil Engineers (ASCE) , 2016 , Article)This study presentes a new nonparametric structural damage detection algorithm that integrates self-organizing maps with a pattern-recognition neural network to quantify and locate structural damage. In this algorithm, ... -
A novel agent-based framework for evaluating pedestrian safety at unsignalized mid-block crosswalks
( Elsevier Ltd , 2021 , Article)A critical safety problem in road networks is the conflicts on unsignalized crosswalks. Thus, a proactive approach to assess pedestrian safety performance is required. Simulating the microscopic road user behavior in a ... -
Novel and robust machine learning approach for estimating the fouling factor in heat exchangers
( Elsevier , 2022 , Article)The fouling factor (Rf) is an operating index for measuring an undesirable effect of solids’ deposition on the heat transfer ability of heat exchangers. Accurate prediction of the fouling factor helps appropriate scheduling ... -
Novel Framework for Vibration Serviceability Assessment of Stadium Grandstands Considering Durations of Vibrations
( American Society of Civil Engineers (ASCE) , 2018 , Article)Annoying vibrations in grandstand structures have been receiving more attention due to the increasing slenderness of the architectural components and the complexity of the crowd loading for engineers. The vibration ... -
Nse/eb-frcm technique for strengthening of rc beams in shear
( University of Cantabria - Building Technology R&D Group , 2020 , Conference Paper)This paper presents experimental results on the strengthening of reinforced concrete (RC) beams using 'hybrid near surface embedded/externally bonded' NSE/EB technique for fabric reinforced cementitious matrix (FRCM). Six ... -
Numerical Evaluation of Dynamic Response by Using Modified Newmark’s Method
( Jordan University of Science and Technology , 2019 , Article)It is well known that the Newmark’s method is considered one of the most popular methods for structural dynamic analysis. In this study, starting from the basic Newmark’s method, a new accurate method is investigated and ... -
Numerical modeling of shear strengthened reinforced concrete beams using different systems
( American Society of Civil Engineers , 2014 , Article)This research aims at creating finite-element models for fiber-reinforced polymer (FRP) shear strengthened concrete beams. It is inspired by the fact that the determination of the structural behavior of shear strengthened ... -
Numerical parametric investigation on the moment redistribution of basalt FRC continuous beams with basalt FRP bars
( Elsevier , 2021 , Article)Recently, researchers’ efforts have been directed toward using fiber-reinforced concrete (FRC) in lieu of conventional concrete to improve the compressive strain, tensile strength capacity, cracking patterns, and ductility ... -
Numerical study of the attenuation properties of viscoelastic metamaterials
( Institute of Physics Publishing , 2018 , Conference Paper)Metamaterials (MMs) are materials engineered to have a property that is not found in nature. In this study, one-dimensional MMs is investigated, particularly that with a functional elastic wave band gaps where propagation ... -
Numerical study on settlement of piled foundations on homogenous rock
( Taylor and Francis , 2014 , Conference Paper)Settlement behavior of piled foundations on homogenous rock was investigated using an extensive three-dimensional finite element analysis of different piled-foundation models. Effects of pile slenderness ratio, pile spacing, ... -
Numerical study on the damping characteristics of a shock absorber valve utilizing different velocities through CFD analysis
( National Technical University of Athens , 2021 , Conference Paper)Shock absorbers or hydraulic dampers are power dissipating devices. The fluid flow inside the damper is governed by predefined passages. The damping effect is accomplished by the resistance of oil to flow through the ... -
Numerical study on the effect of insulator size and shape on fouling suppression by electrodeless dielectrophoresis in submerged membrane bioreactors
( American Institute of Physics Inc. , 2018 , Conference Paper)The application of obstacle dielectrophoresis has the potential to enhance membrane fouling suppression in submerged membranes bioreactors while requiring low energy consumption. In this study, the effect of the insulators ... -
Observation based safety performance indexing method for construction industry – validation with SMEs
( Springer Verlag , 2018 , Article)There is an essential need for a systemized and objective site safety performance measurement method. The method also needs to cover the positive aspects of safety management perspectives considering that traditional methods ... -
Operation failure of risk analysis on floating storage and offloading
( IOP Publishing , 2023 , Conference Paper)The need for petroleum in daily life is increasing. The oil comes from the seabed, so it is necessary to have adequate facilities during the exploration and exploitation of crude oil. The process of distributing crude oil ... -
Optimization of chiral lattice based metastructures for broadband vibration suppression using genetic algorithms
( Academic Press , 2016 , Article)One of the major challenges in civil, mechanical, and aerospace engineering is to develop vibration suppression systems with high efficiency and low cost. Recent studies have shown that high damping performance at broadband ...