Browsing TKD - Institutt for bygg- og energiteknikk by Title
Now showing items 52-71 of 461
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Capacity of Concrete Structures with Corroded Reinforcement and Prestressing Tendons
(IOP Conference Series: Materials Science and Engineering;Volume 1201, Third Conference of Computational Methods & Ocean Technology (COTech 2021), Stavanger, Norway and Second Conference of Oil & Gas Technologies in Cold Climate (OGTech 2021) 25th-26th November 2021, Moscow, Russia, Peer reviewed; Journal article, 2021)The main degradation mechanism for concrete structures is corrosion of the reinforcement and prestressing tendons. Management of structures with such degradation requires detailed understanding of their remaining strength ... -
Centrifuge modelling of sand and sawdust embankments on peat for sustainable infrastructure development
(Chapter, 2024)Previously accepted methods to develop infrastructure across peatlands such as roads or railways typically excavatedout the peat and substituted it with granular material. Such solutions, especially the alteration to ... -
CFD analysis of displacement ventilation
(Bachelor thesis, 2018-05-23)Displacement ventilation is an air supply method that uses supplied air near the floor at low velocity and fewer degrees below the air in the room. Well-designed displacement ventilation gives sufficient air quality, thermal ... -
CFD modeling of the transport of human respiratory droplets in an indoor environment
(Linköping Electronic Conference Proceedings;, Conference object, 2022)For the last couple of years, the world has faced the global pandemic COVID-19. The viral transmission could occur via different modes like large respiratory droplets, direct contact with contaminated surfaces and airborne ... -
CFD study on the effect of Archimedes number and heating rate on the thermal stratification of aventilated office
(Chapter; Peer reviewed, 2018)This paper dealt with simulating a typical occupied office equipped with displacement ventilation using CFD method. The STAR-CCM+ commercial software was employed for performing the simulations in order to analyze the trend ... -
Challenges related to structural modelling and assessment of concrete structures affected by alkali-silica reactions
(Journal article; Peer reviewed, 2017)Alkali-Silica Reaction (ASR) in concrete is a chemical process between dissolved alkali and hydroxyl ions from pore solutions in the cement paste, and reactive (amorphous) silica within the aggregates. The product of the ... -
Changing Areas, Spaces and Places in Kindergartens for More Playing, Learning and Exploration
(Journal article; Peer reviewed, 2017)The opportunities for exploration, playing and learning is essential for children in the kindergartens. Urban kindergartens have limited spaces available. This article discusses and analyzes various aspects of the possibility ... -
Characteristics of Viscosity of a Scale Inhibitor: An Experimental Study
(Peer reviewed; Journal article, 2023) -
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 ... -
Chatbots Put to the Test in Math and Logic Problems: A Comparison and Assessment of ChatGPT-3.5, ChatGPT-4, and Google Bard
(Peer reviewed; Journal article, 2023)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 ... -
Circumventing obstacles in digital construction design - a workaround theory perspective
(Journal article; Peer reviewed, 2015)Building Information Modeling (BIM) has proven its value for design in the architecture, engineering, and construction industry . However, currently only a few leading firms succeed in reaping the full potential of BIM. ... -
Classification of BIM-based model checking concepts
(Journal article; Peer reviewed; Journal article, 2016)This paper proposes a framework for classification of Building Information Model (BIM) checking concepts . Alt hough BIM - based model checking (BMC) and similar ter m s are widely use d , there is ... -
Climate change impact on the degradation of historically significant wooden furniture in a cultural heritage building in Vestfold, Norway
(E3S Web of Conferences;Volume 362 (2022),11003, Peer reviewed; Journal article, 2022-12-01)Climate change is expected to significantly affect the interior climate of old, leaky buildings without HVAC systems. As a result, the items of cultural significance that are hosted indoors will experience new ambient ... -
A Collection of 30 Multidimensional Functions for Global Optimization Benchmarking
(Data;, Peer reviewed; Journal article, 2022)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 ... -
Combined Use of Sewage Sludge Ash and Silica Fume in Concrete
(Peer reviewed; Journal article, 2023)The lack of adequate space for sewage sludge disposal has become a significant challenge in many countries. Land- filling and using sewage sludge as fertilizer in agricultural lands are the main methods for disposal. ... -
Comparative Modelling Analysis of Air Pollutants, PM2.5 and Energy Efficiency Using Three Ventilation Strategies in a High-Rise Building: A Case Study in Suzhou, China
(Sustainability;Volume 13 / Issue 15, Peer reviewed; Journal article, 2021-07-28)This study investigated the ventilation efficiency and energy performance of three ventilation strategies—an all-air system (AAS), a radiant panel system with a displacement ventilation system (DPS), and a radiant panel ... -
Comparative numerical energy analysis of decentralized ventilation adapting to local Norway climates
(Peer reviewed; Journal article, 2022)The present work evaluates the performance of different decentralized ventilation control strategies in the local Norway climate. Evaluation is performed using a monthly time-step energy analysis and the IDA-ICE simulation ... -
A comparative study of differential evolution variants in constrained structural optimization
(Frontiers in Built Environment;Volume 6 | Article 102, Journal article; Peer reviewed, 2020-07-09)Differential evolution (DE) is a population-based metaheuristic search algorithm that optimizes a problem by iteratively improving a candidate solution based on an evolutionary process. Such algorithms make few or no ... -
Compressive strength of concrete containing furnace blast slag; optimized machine learning-based models
(Peer reviewed; Journal article, 2023)Replacing Ordinary Portland Cement (OPC) with industrial waste like Ground Granulated Blast Furnace Slag (GGBFS) has been proven to have remarkable benefits regarding the mechanical properties of concrete and the environment. ... -
Compressive strength of concrete with recycled aggregate; a machine learning-based evaluation
(Peer reviewed; Journal article, 2022)