A crib element and crib arrangements thereto

A crib element comprising a unitary engineered wooden member having in a preferred embodiment at least a pair of notches in an upper edge and at least a pair of notches in a lower edge to form a central web therebetween, each notch spaced from an end of the member such that the notches have a portio...

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Bibliographic Details
Main Author Horne, Jason
Format Patent
LanguageEnglish
Published 16.08.2018
Subjects
EARTH DRILLING
FIXED CONSTRUCTIONS
GALLERIES
LARGE UNDERGROUND CHAMBERS
MINING
SHAFTS
TUNNELS
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Summary:A crib element comprising a unitary engineered wooden member having in a preferred embodiment at least a pair of notches in an upper edge and at least a pair of notches in a lower edge to form a central web therebetween, each notch spaced from an end of the member such that the notches have a portion with a depth sufficient to allow the upper edge of the member to abut a lower edge of a second, parallel member sandwiching the central web of at least a third member in respective, aligned notches of the first and second members to form a crib arrangement.
Bibliography:Application Number: AU20170212154