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Dive into the research topics where Tomi Toratti is active.

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Featured researches published by Tomi Toratti.


European Journal of Wood and Wood Products | 2010

Towards modelling of decay risk of wooden materials

Hannu Viitanen; Tomi Toratti; Lasse Makkonen; Ruut Hannele Peuhkuri; Tuomo Ojanen; L. Ruokolainen; Jouni Räisänen

An empirical model for wood decay development which can be incorporated into a hygrothermal model of building physics is presented. The model is applied to the ERA-40 reanalysis data, based on six-hour weather observations in Europe, to estimate wood decay in different parts of Europe. These studies provide new tools for evaluating the durability and service life of wooden products and a preliminary European wood decay risk level map. The effects of the projected climate change on wood decay may also be considered by this methodology.ZusammenfassungVorgestellt wird ein empirisches Modell zur Holzfäuleentwicklung, welches sich in ein bauphysikalisches hygrothermisches Modell einbauen lässt. Zur Bestimmung der Holzfäule in verschiedenen Teilen Europas benutzt das Modell die aufbereiteten ERA-40 Daten, die auf sechsstündigen Wetterbeobachtungen in Europa basieren. Diese Untersuchungen liefern neue Möglichkeiten zur Bestimmung der Dauerhaftigkeit und der Nutzungsdauer von Holzprodukten sowie eine vorläufige Darstellung des Holzfäulerisikos in Europa. Die Einflüsse der erwarteten Klimaänderung auf die Holzfäule können mit diesem Verfahren ebenfalls untersucht werden.


Building Acoustics | 2006

Classification of Human Induced Floor Vibrations

Tomi Toratti; Asko Talja

This paper summarizes results from vibration tests on floors. Classification of floors into five headings is given based on vibration characteristics. Suggested criteria and limiting values are proposed. These values are based on tests carried out on site and in laboratory conditions. It was found that the point load deflection is the best indicator for floor vibration design, when the fundamental frequency is higher than 10 Hz. It is further suggested that the deformation caused by the point load is divided into a local deflection mainly caused by soft toppings and floating floors and a global deflection of the main floor joists.


TVBK-3053 (2007) | 2007

Design of Safe Timber Structures - How Can we Learn from Structural Failures in Concrete, Steel and Timber?

Eva Frühwald; Erik Serrano; Tomi Toratti; Arne Emilsson; Sven Thelandersson


Mechanics of Time-dependent Materials | 2009

A 3D moisture-stress FEM analysis for time dependent problems in timber structures

Stefania Fortino; Florian Mirianon; Tomi Toratti


Engineering Structures | 2011

NMR imaging study and multi-Fickian numerical simulation of moisture transfer in Norway spruce samples

Sergey V. Dvinskikh; Marielle Henriksson; Antonio Lorenzo Mendicino; Stefania Fortino; Tomi Toratti


Engineering Structures | 2011

Moisture-induced stresses perpendicular to grain in cross-sections of timber members exposed to different climates

Massimo Fragiacomo; Stefania Fortino; Davide Tononi; Irene Usardi; Tomi Toratti


Proceedings IRG Annual Meeting | 2011

Quantitative design guideline for wood in outdoor above ground applications

Sven Thelandersson; Tord Isaksson; Ed Suttie; Eva Frühwald; Tomi Toratti; Gerhard Grüll; Hannu Viitanen; Jöran Jermer


Structural Safety | 2007

Reliability analysis of a glulam beam

Tomi Toratti; Simon Schnabl; Goran Turk


Engineering Structures | 2011

Proposal for a failure assessment template

Tomi Toratti


Archive | 2011

Service life of wood in outdoor above ground applications: Engineering design guideline - Background document

Sven Thelandersson; Tord Isaksson; Ed Suttie; Eva Frühwald; Tomi Toratti; Gerhard Grüll; Hannu Viitanen; Jöran Jermer

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Hannu Viitanen

VTT Technical Research Centre of Finland

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Jöran Jermer

Research Institutes of Sweden

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Lasse Makkonen

VTT Technical Research Centre of Finland

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Ed Suttie

Building Research Establishment

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Stefania Fortino

VTT Technical Research Centre of Finland

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Tuomo Ojanen

VTT Technical Research Centre of Finland

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