Institutt for bygg- og miljøteknikk: Nye registreringer
Viser treff 1101-1120 av 4709
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Local ionospheric modelling of GPS code and carrier phase observations
(Peer reviewed; Journal article, 2008)A limiting factor for successful ambiguity resolution in precise GPS positioning is the existence of un-modelled ionospheric errors in both the carrier phase and the pseudorange measurements. In this study, the ionospheric ... -
Geoid-type surface determination using a gravimetric quasigeoid model and GNSS/leveling data- A case study in eastern Norway
(Peer reviewed; Journal article, 2013)Norway is about to realize a new vertical datum NN2000, which is supposed to replace the present datum NN1954. Norwegian Mapping Authority (NMA) is also realizing a new geodetic reference frame ITRF09, with focus mainly ... -
Best Value Procurement (BVP) in Norwegian Construction Projects
(Peer reviewed; Journal article, 2019)The traditional contractor selection method, based on lowest price, has resulted in conflict, low quality products and a waste of resources. The need for an alternative supplier selection method has resulted in Best Value ... -
Recovery of marine gravity anomalies from ERS1, ERS2 and ENVISAT satellite altimetry data for geoid computations over Norway
(Peer reviewed; Journal article, 2007)Free-Air Anomalies (FAA) for the Norwegian marine area including some parts of the North Sea, the Norwegian Sea and the Barents Sea are computed from satellite altimetry data. A total of 84 cycles of ERS2 along-track data, ... -
Sammenligning av geoidens høyde utledet fra geopotensialmodellen EGM2008 med GPS/nivellementsdata i et testområde i Iran (Comparison of geoid heights from the EGM2008 geopotential model and GPS/levelling data in a study area in Iran)
(Peer reviewed; Journal article, 2012)The global Earth Gravity Model EGM2008 is evaluated locally using Global Positioning System (GPS)/levelling data in a test area in Iran. The non-tidal release of the EGM2008 is used in the computations. An indirect approach ... -
Multi-sensor InSAR analysis of surface displacement over coastal urban city of Trondheim
(Peer reviewed; Journal article, 2016)In this study, we present maps of ground surface displacement of the coastal urban city of Trondheim in central Norway using observations from interferometry synthetic aperture radar (InSAR). We used 98 SAR images including ... -
Diffusion mechanism of rejuvenator and its effects on the physical and rheological performance of aged asphalt binder
(Peer reviewed; Journal article, 2019)Using rejuvenator to improve the asphalt pavement service state has become an increasing concern in recent years. This study mainly focuses on the diffusion analysis between rejuvenator and aged asphalt, and further ... -
Greenland ice-melt spread into Northwest Coast revealed by GRACE (GRACE data viser at issmeltingen på Grønland sprer seg til nordvestkysten)
(Peer reviewed; Journal article, 2012)We examine the extent and magnitude of Greenland ice sheet surface melting between 2002 and 2010. We show that the well documented Greenland ice mass loss in the southern region spread to northwest Greenland in the period ... -
Greenland mass balance estimation from satellite gravity measurements
(Peer reviewed; Journal article, 2010)The Gravity Recovery and Climate Experiment (GRACE) data is used to estimate the secular trend and periodic variations of ice mass variability over Greenland. To do this, we use 92 monthly GRACE level 2 Release-04 (RL04) ... -
Winter walking: The impact of pavement surface conditions on pedestrians' walking behavior during winter
(Doctoral theses at NTNU;2022:143, Doctoral thesis, 2022)Norsk sammendrag Målet med denne forskningen har vært å kvantifisere sammenhenger mellom fotgjengeres atferd (samt konsekvenser av atferd) og føreforhold om vinteren. Metodene har bestått av observasjonsstudier med ... -
A probabilistic model of coastal bluff-top erosion in high latitudes due to thermoabrasion: A case study from Baydaratskaya Bay in the Kara Sea
(Peer reviewed; Journal article, 2020)Arctic coastal erosion demands more attention as the global climate continues to change. Unlike those along low-latitude and mid-latitude, sediments along Arctic coastlines are often frozen, even during summer. Thermal and ... -
Activism by Lay and Professional Planners: Types, Research Issues, and Ongoing Analysis
(Peer reviewed; Journal article, 2019)Activism was one of the main themes of the AESOP PhD Workshop 2018 in Karlskrona and Tjärö, Sweden. One of my presentations was about the activist roles of planners working for local governments and lay planners affiliated ... -
Evaluation of Probabilistic Project Cost Estimates
(Journal article; Peer reviewed, 2021)Evaluation of cost estimates should be fair and give incentives for accuracy. These goals, we argue, are challenged by a lack of precision in what is meant by a cost estimate and the use of evaluation measures that do not ... -
Remotely sensed data for bathymetric mapping and ecohydraulics modelling in rivers
(Doctoral theses at NTNU;2022:135, Doctoral thesis, 2022)River management decisions must be based on the best knowledge available. But acquiring information on river conditions and translating it into sufficient mitigation measures can be both time- and resource demanding. Remote ... -
Etterevaluering av prosjektet Rehabilitering av Norges idrettshøgskole
(Research report, 2022) -
Det menneskelige aspektet ved Industri 4.0 - Hvordan prioritere fagarbeiderne?
(Master thesis, 2022)De siste årene har ytelsen til byggenæringen stagnert, og bransjen har ikke klart å holde følge med produktivitetsutviklingen som i andre næringer. Industri 4.0 har forsiktig satt sin fot i byggebransjen og presenterer nye ... -
Towards improving the calibration practice of conceptual hydrological models of extensive green roofs
(Peer reviewed; Journal article, 2022)Conceptual rainfall-runoff models (CRRMs) can be used as a design tool for green roofs due to their simplicity and acceptable accuracy. This study showed how the uncertainty of CRRM parameters could be reduced by changing ... -
Stange Overpass: Finite Element Model Updating of an Unconventional Railway Bridge
(Peer reviewed; Journal article, 2021)Stange Overpass is a three-span railway reinforced concrete bridge on the Dovre line that connects the cities of Oslo and Trondheim in Norway. It was built in 2002 and has been extended by 1,5 m in each direction in 2004. ... -
Sammenligning av metoder for kartlegging av snarveier
(Master thesis, 2022)Norge har satt som mål at veksten i persontransporten i byområdene skal tas med kollektivtransport, sykkel og gange. Dette nullvekstmålet er et av satsingsområdene i Nasjonal transportplan. Som en del av arbeidet med ... -
Framing Urban Water
(Doctoral theses at NTNU;2022:119, Doctoral thesis, 2022)In recent decades, Western societies have been experiencing accelerated growth in diversity, connectivity, complexity, and uncertainty. In the urban water sector, this evolution has thus far manifested in the emergence of ...