Trepo - Selaus asiasanan mukaan "1171"
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3D Finite Element Model as a Tool for Analyzing the Structural Behavior of a Railway Track
(2016)
article<p>The rising public and commercial demands on railway network increases the need to improve systems that comprise the railway network. Especially in case of mixed corridors, the demands for track smoothness and load ... -
Artificial neural networks models for rate of penetration prediction in rock drilling
(21.08.2017)
articlePrediction of the rate of penetration (ROP) is an important task in drilling economical assessments of mining and construction projects. In this paper, the predictability of the ROP for percussive drills was investigated ... -
Bonding of ceramics to silver-coated titanium—A combined theoretical and experimental study
(05 / 2024)
articleIt would be very beneficial to have a method for joining of ceramics to titanium reliably. Although several techniques have been developed and tested to prevent extensive interfacial chemical reactions in titanium-ceramic ... -
Commercialising reclaimed materials in earthworks – guidelines for productization and the process of appending these materials in the Finnish national code of practice
(2016)
conferenceTo decrease the use of non-renewable natural resources as well as environmental effects of earth-works, natural aggregate materials can be replaced with recycled materials acquired from surplus soil, industrial by-products ... -
Comparison of community managed projects and conventional approaches in rural water supply of Ethiopia
(30.09.2016)
articleThis study aimed to compare Community Managed Projects (CMP) approach with the conventional approaches (Non-CMP) in the case of Ethiopia. The data collection methods include a household survey (n=1806), community representative ... -
Demolition of concrete by thermal shock spallation: a mesoscopic numerical study based on embedded discontinuity finite elements
(2020)
articleThis paper deals with 2D (plane strain) and axisymmetric numerical modelling of concrete fracture processes under mechanical and thermal loading. A mesoscopic modelling approach with an explicit representation of aggregates ... -
Dynamic Mode Ⅱ fracture behavior of rocks under hydrostatic pressure using the short core in compression (SCC) method
(2021)
articleThe shear failure of rocks under both a static triaxial stress and a dynamic disturbance is common in deep underground engineering and it is therefore essential for the design of underground engineering to quantitively ... -
Effects of Test Temperature and Low Temperature Thermal Cycling on the Dynamic Tensile Strength of Granitic Rocks
(2020)
articleThis paper presents an experimental procedure for the characterization of the granitic rocks on a Mars-like environment. To gain a better understanding of the drilling conditions on Mars, the dynamic tensile behavior of ... -
Estimation of preconsolidation stress of clays from piezocone by means of high-quality calibration data
(08.05.2019)
reviewarticleAn extensive database of high-quality piezocone (CPTU) and laboratory oedometer test data on onshore and offshore clays worldwide has been established. The database covers a wide range of index parameters and overconsolidation ... -
Evaluation of sample quality from different sampling methods in Finnish soft sensitive clays
(08 / 2018)
reviewarticleThe determination of reliable geotechnical parameters from laboratory testing is highly dependent on sample quality. Over the past decades, undisturbed sampling of soft sensitive clays has been performed using various ... -
Greenland Geothermal Heat Flow Database and Map (Version 1)
(12.05.2022)
articleWe compile and analyze all available geothermal heat flow measurements collected in and around Greenland into a new database of 419 sites and generate an accompanying spatial map. This database includes 290 sites previously ... -
Integrated geological modeling of partially exposed Precambrian bedrock surface and thickness of overlying Quaternary deposits
(21.02.2025)
articleBedrock surface topography and thickness of the overlying sediments are key information for numerous engineering applications. However, discrete geological structures, such as bedrock deformation zones, which cause abrupt ... -
Investigation and geotechnical characterization of Perniö clay, Finland
(05.08.2019)
articleUnderstanding the behavior of soft sensitive clays is a key aspect of geotechnical design, especially in those regions where constructions are planned in marine clay areas. In Finland, one of the major geotechnical issues ... -
Lime treatment of a soft sensitive clay: A sustainable reuse option
(2020)
articleThis paper presents the results of research aimed at studying the hydraulic and mechanical behavior of Finnish soft clays treated by quicklime. This research investigated the effect of water content and curing time on the ... -
Measuring sustainable urban development in residential areas of the 20 biggest Finnish cities
(21.08.2023)
articleAs a result of the ongoing urbanization megatrend, cities have an increasingly critical role in the search for sustainability. To create sustainable strategies for cities and to follow up if they induce desired effects ... -
Methodology to estimate ionospheric scintillation risk maps and their contribution to position dilution of precision on the ground
(2020)
articleSatellite-based communications, navigation systems and many scientific instruments rely on observations of trans-ionospheric signals. The quality of these signals can be deteriorated by ionospheric scintillation which can ... -
Modelling of plastic culvert and road embankment interaction in 3D
(2016)
articleA series of 3D Finite Element simulations was performed to investigate the effect of different factors influencing the distortions undergone by a plastic culvert tube while subject to external loading from a heavy truck. ... -
Moisture behavior of external insulated precast concrete wall panels
(2020)
article<p>Excess moisture in concrete structures is a major problem in building industry. It is claimed that degradation of the finishing materials of concrete slabs is the largest source of volatile organic compound in the ... -
Monipuolinen ja upea kirja Suomen järvistä
(09.06.2023)
bookVesistötutkimuksen konkarit ja professorit Matti Leppäranta, Lauri Arvola ja Timo Huttula ovat kirjoittaneet yleistajuisen tietokirjan Suomen järvistä. Vastaavaa teosta ei maassamme ole julkaistu 1950-luvun jälkeen, joten ... -
The mortality and associated economic burden of London's summer urban heat island effect: a modelling study
(03 / 2025)
articleBackground: High ambient temperatures lead to increased mortality, especially in older adults. Climate change will increase the frequency and severity of heatwaves globally. Most of the UK population lives in urban areas, ...
