Bolt

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OBJECT TYPE
Roofex RXA wall and ceiling, hard rock
DATE
2012
ARTIFACT NUMBER
2013.0508.001
MANUFACTURER
Atlas Copco
MODEL
Unknown
LOCATION
Unknown

More Information


General Information

Serial #
N/A
Part Number
1
Total Parts
1
AKA
N/A
Patents
N/A
General Description
An object made of metal elements/Un objet fait avec du matériel en métal.

Dimensions

Note: These reflect the general size for storage and are not necessarily representative of the object's true dimensions.

Length
186.0 cm
Width
4.5 cm
Height
4.5 cm
Thickness
N/A
Weight
N/A
Diameter
N/A
Volume
N/A

Lexicon

Group
Mining and Metallurgy
Category
Mineral extraction
Sub-Category
N/A

Manufacturer

AKA
Atlas
Country
Unknown
State/Province
Unknown
City
Unknown

Context

Country
Canada
State/Province
Ontario
Period
Never used, tested in Ottawa at NRCan-Canmet facilities at Bell Corners.
Canada
This bolt has been tested by NRCan to determine its strength in the review process for issuing guidelines for a bolt’s approval for the use by the mining industry in Canada. Ce boulon a été testé par NRCan pour déterminer sa force durant une révision pour émettre des lignes directrice pour approuver l'utilisation du boulon par l'industrie minière du Canada.
Function
Used to support walls and ceiling of an underground mine. Utiliser pour renforcer les murs et les plafonds dans les mines souterraines.
Technical
The bolts are used in underground mines to support walls and ceiling. The bolts are inserted into a drilled hole filled with polyester resin. The grout works as an anchor between the rock and the bolt. It also prevents the bolt from unwinding under pressure. The bolt has to withstand high pressure, and both, the bolt and grout, have to be strong and flexible enough to absorb seismic events, but hold the rock in place. Roofex is designed in such a way that it can carry tension on both ends, or that the load is distributed evenly along the bolt. Ces boulons sont utilisés dans les mines souterraines pour renforcer les murs et plafonds. Les boulons sont insérés dans des trous foré qui sont remplis avec une résine de polyester. Le coulis va ancrée la roche au boulon pour s'assurer que le boulon ne se déroule pas sous pression. Le boulon doit résister a une énorme pression et le coulis doit travailler avec le boulon et être assez flexible pour absorber les événements séismiques et quand même tenir la roche en place. Les boulons Roofex son conçu pour tenir une tension des deux côtés du boulon ou de s'assurer une bonne répartition du chargement.
Area Notes
Unknown

Details

Markings
None apparent/ L'objet n'a pas de marque.
Missing
None apparent/L'objet a toute ces pièces.
Finish
A long and smooth metal bolt with a beveled square top head and four pronged teeth at its base. The stem of the bolt widens two thirds of the way down the bolt and the enlarged part has several holes in it. Un boulon en métal qui est long et lisse qui a une tête carrée qui est biseautée ainsi que quatre dents pointues vers sa base. La manche du boulon élargi a deux tiares de sa longueur. La manche a plusieurs trous circulaires.
Decoration
N/A

CITE THIS OBJECT

If you choose to share our information about this collection object, please cite:

Atlas Copco, Bolt, circa 2012, Artifact no. 2013.0508, Ingenium – Canada’s Museums of Science and Innovation, http://collection.ingeniumcanada.org/en/id/2013.0508.001/

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