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SnakeFighter - Development of a Water Hydraulic Fire Fighting Snake Robot

This paper presents the SnakeFighter concept and describes the generic element within this concept in the form of a water hydraulic snake robot. Applications of a SnakeFighter system are presented with focus on fire intervention tasks. The development of a water hydraulic snake robot that...

Authors
Pål Liljebäck
Øyvind Stavdahl
Anders Beitnes
Year
2006
Type
Academic chapter
Publication

FROST DILATION MEASUREMENTS ON CONCRETE CORES FROM A DAM WITH ASR

In order to evaluate length change measurements to determine damage in concrete due to both ASR and internal frost attack, concrete cores drilled from a 25 year old dam with slight ASR and some surface frost damage were used. Critical dilation was measured during a single freezing and thawing cycle...

Authors
Stefan Jacobsen
Jan Lindgård
Leonie Fritz
Year
2008
Type
Academic chapter
Publication

Mechanical characteristics of Post-β’’ Precipitates in Al-Mg-Si alloys

Since the 1920ies the age-hardening behaviour of Al-Mg-Si alloys has been studied and numerous papers have been presented on the crystallographic structure of the hardening precipitates in this alloy system. Especially over the last 10-15 years the results from extensive studies by many groups and...

Authors
Sverre Gulbrandsen-Dahl
Ketill Olav Pedersen
Calin Daniel Marioara
Michal Kolar
Knut Marthinsen
Year
2008
Type
Academic chapter