Bolt

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OBJECT TYPE
D-221, wall and ceiling, hard rock
DATE
2012
ARTIFACT NUMBER
2013.0513.001
MANUFACTURER
Unknown
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
210.0 cm
Width
4.0 cm
Height
4.0 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
Unknown
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. The “D” in D-bolt stands for Dynamic bolt support that can be used in deep mines where the rock burst happens more often and the support must absorb more energy. This bolt yields and anchors at the same time offering reliable and tough support. 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 à rendement de roche sont installés dans des roches dynamiques avec une résine a polyester dune tel façon pour pouvoir voyage au travail la reine pour absorber les chocs. Un boulon solide qui a un mécanisme pour absorber les événements séismiques et s'assurer que le boulon reste intact. La lettre “D” en D-Bolt représente le mot Dynamique pour les boulons dynamiques qui sont utilisées dans les mines plus creuses ou les coups de toit arrivent plus souvent et l'appui doit absorber plus d'énergie. Le boulon peut ancré en même temps de pouvoir faire du rendement pour offrir un appui qui est robuste et fiable.
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 black coloured bolt with a large nut on the end of its flared handle. The top part of the handle is threaded for the nut. The bolt is pinched twice at the flared part of the handle and three times at the bottom of its handle where the bolt finishes in a point. Un boulon noir avec un écrou noir sur le bout de la manche qui est évasée. Le haut de la manche est fileté pour l'écrou. Le boulon est pincé deux fois en dessous de la manche évasée et trois autres fois à la base de la manche ou le boulon est pointu.
Decoration
N/A

CITE THIS OBJECT

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

Unknown Manufacturer, Bolt, circa 2012, Artifact no. 2013.0513, Ingenium – Canada’s Museums of Science and Innovation, http://collection.ingeniumcanada.org/en/id/2013.0513.001/

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