TKD - Institutt for bygg- og energiteknikk
Recent Submissions
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Characterization of two types of modified sulphur pellets for sulphur-extended asphalt mixtures
(Peer reviewed; Journal article, 2024)The application of sulphur to partially replace traditional bituminous binder in asphalt mixture can offer attractive technical, economic and environmental advantages. Globally, Kazakhstan is the seventh largest producer ... -
On fracture criteria in phase field model for fracture in asphalt concrete
(Peer reviewed; Journal article, 2024)Extensive research has explored cracking in asphalt mixtures under pure mode-I conditions; however, heavy traffic loads often lead to crack formation under mixed-mode fracture conditions in asphalt pavements. This paper ... -
Identification of optimal accelerometer placement on trains for railway switch wear monitoring via multibody simulation
(Peer reviewed; Journal article, 2024)Accelerometers play a crucial role in the railway industry, especially in track monitoring. Traditionally, they are placed on the railway tracks or often on bridges to monitor the health and condition of the infrastructure. ... -
Drive-by Bridge Damage Detection Using Continuous Wavelet Transform
(Peer reviewed; Journal article, 2024)Bridges serve as vital engineering structures crafted to facilitate secure and effective transportation networks. Throughout their life-cycle, they withstand various factors, including diverse environmental conditions, ... -
The psychological implications of COVID-19 over the eighteen-month time span following the virus breakout in Italy
(Frontiers in Psychology;, Peer reviewed; Journal article, 2024)Background: In a short time, the COVID-19 pandemic has exerted a huge impact on many aspects of people’s lives with a number of consequences, an increase in the risks of psychological diseases being one of them. The aim ... -
Drive-by bridge mode shape identification using novel reference-based component scaling method
(Peer reviewed; Journal article, 2024)This article proposes a novel method, entitled Reference-based Component Scaling (RCS) method, for estimation of bridge mode shapes using vehicle scanning methods. The proposed method uses two instrumented vehicles to ... -
Analysis of railway vehicle-track interaction performance in submerged floating tunnel subjected to wave excitations
(Peer reviewed; Journal article, 2024)Submerged Floating Tunnels (SFTs) are an innovative and appealing solution for the water crossing of railways over wide and deep waterbodies where it is challenging or even impractical to construct conventional bottom- ... -
Numerical modelling of surface aeration and N<inf>2</inf>O emission in biological water resource recovery
(Peer reviewed; Journal article, 2024)Biokinetic modelling of N2O production and emission has been extensively studied in the past fifteen years. In contrast, the physical-chemical hydrodynamics of activated sludge reactor design and operation, and their impact ... -
Dynamic α-factor models for fine-bubble- and surface aeration – impact of settleability and implications on N<inf>2</inf>O emission
(Peer reviewed; Journal article, 2024)In water resource recovery facilities (WRRF), aeration efficiency and N2O greenhouse gas emission are affected by the variability of the α-factor. Dynamic calibration of α using sensor data represents a significant knowledge ... -
Numerical analysis, design and application of a decentralized ventilation system with a heat recovery unit adapting to Nordic climates: A case study in Norway
(Peer reviewed; Journal article, 2024)This research investigated the energy efficiency of decentralized ventilation (DV) systems in cold weather conditions in comparison to centralized ventilation (CV) systems, focusing on three locations in Norway. The study ... -
Strut and tie model for CFRP strengthened reinforced concrete corbels
(Peer reviewed; Journal article, 2024)This study aims to explore the optimal strut-and-tie-model (STM) for strengthening reinforced concrete (RC) corbels with carbon fiber-reinforced polymer (CFRP), utilizing finite element (FE) analysis. While previous studies ... -
Contact point accelerations, instantaneous curvature, and physics-based damage detection and location using vehicle-mounted sensors
(Peer reviewed; Journal article, 2024)The recent bridge collapses worldwide underscored the perilous state of the global bridge infrastructure. Structural health monitoring (SHM) methods, particularly vibration-based techniques, offer a non-destructive approach ... -
Phonon Transport Characteristics of Nano-Silicon Thin Films Irradiated by Ultrafast Laser under Dispersion Relation
(Peer reviewed; Journal article, 2024)The gray model simplifies calculations by ignoring phonon polarization, but sacrifices a certain level of computational accuracy. In effect, the frequency and wavevector of phonons form complex polarization patterns, which ... -
An ArcGIS toolbox for the probabilistic performance-based assessment of surface building damage in large-scale urban excavations
(Chapter, 2024)This paper presents an extension of the REMEDY_GIS_RiskTool (https://github.com/norwegian-geotechnical-institute/REMEDY_GIS_RiskTool), which is a Geographic Information System (GIS) geoprocessing toolbox. The toolbox was ... -
Multi-criteria analysis for freight transport decision-making with fuzzy analytic hierarchy process: A top management’s perspective for Bahrain
(Peer reviewed; Journal article, 2024)This study sheds light on the multicriteria mode choice selection process of freight transport in the Kingdom of Bahrain from the perspective of top decision-makers. A questionnaire-based interview survey was carried out ... -
Predicting the shear capacity of composite steel plate shear wall with the application of RSM
(Peer reviewed; Journal article, 2024)This research aims to predict the maximum shear capacity of Composite Steel Plate Shear Walls (CSPSWs) through nonlinear Finite Element (NLFE) analyses and Response Surface Method (RSM). The variables are concrete thickness ... -
Corrosion effects on the flexural performance of prestressed reinforced concrete beams
(Peer reviewed; Journal article, 2024)An experimental campaign aimed at understanding the behavior of corroded prestressed beams is carried out to investigate the effects of low corrosion levels spreading along the entire beams. The results show that corrosion ... -
Integrated intelligent models for predicting water pipe failure probability
(Peer reviewed; Journal article, 2024)Sustainable management of water distribution networks (WDNs) is essential to ensure the continuous supply of water. However, the water pipes in WDNs often experience unprecedented failure, which causes disruption in services, ... -
In-situ synthesis and performance evaluation of novel color coatings for galvanized steel
(Peer reviewed; Journal article, 2024)Traditional hot-dip galvanized coatings, typically single-silver in color, present increasing aesthetic challenges in diverse applications, while prevailing organic coating methods involve complex processes with high energy ... -
Explainable ensemble models for predicting wall thickness loss of water pipes
(Peer reviewed; Journal article, 2024)Water Distribution Networks (WDNs) are susceptible to pipe failures with significant consequences. Predicting wall-thickness loss in pipes is vital for proactive maintenance and asset management. This study develops ...