Roof Bolt and Its Components || Roof Bolting || Bearing Plate || Hexagonal Nut || MiningSYNC

Описание: ●Roof Bolt and its Components
Roof Bolt and Its Components || Roof Bolting || Bearing Plate || Hexagonal Nut || MiningSYNC

●Natural Mine Ventilation:
1.Shaft at unequal height .
2.Shaft at equal height .

Natural ventilation during summer.
Natural ventilation during winter.

Link :    • Natural ventilation || Mine Ventilation  |...  

●Ignition Temperature & Lag on IGNITION

Lag on Ignition of METHANE

Link :    • Ignition Temperature & Lag on IGNITION (Hi...  

●Break detector:
used to find breaks or cracks in blasting hole .

-pros
-cons

Link:    • Break Detector 🤯|| Used to Detect cracks o...  

●Mine Gases And its EXPOSURE LIMITS??
TLV?
TWA?
STEL?
CL?🤔🤔🤔

Link:    • Mine Gases and its Exposure LIMITS 📝|| TLV...  

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●How to Classified EXPLOSIVE??

Classification of EXPLOSIVE-
Class 1
Class 2
Class 3
Class 4
Class 5
Class 6
Class 7
..
..
Link:    • How to Classified?||Classification of Expl...  

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● ROCK BURST 🪨 : Phenomenon and triggering agents.

Link :    • Rock BURST 🪨|| Phenomenon and Triggering a...  

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●WHAT is SOLID BLASTING?? ||

WHAT types of INITIATION SYSTEM we use and WHY?? ||

CUT HOLE??
EASERS??
TREMMER??

Link:    • WHAT is SOLID BLASTING?? || WHAT types of ...  

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●Explosive and there types -
LOW EXPLOSIVE
HIGH EXPLOSIVE

Link :    • Explosives and there types #Low Explosive ...  

●INERTISATION -
Carbon dioxide or Nitrogen gas circulation process..... watch !!

Link :    • Inertisation || Carbon dioxide Or Nitrogen...  

●Degree of Gassiness Based upon METHANE EMISSION-

1st Degree
2nd Degree
3rd Degree

Link :    • Degree of gassiness Based upon METHANE EMI...  


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●Mine Subsidence-
1)Trough Subsidence
2)Pot hole Subsidence

Based on time -
1)Active Subsidence
2)Residual Subsidence

●Non effective width of Extraction
●Critical width
●Sub Critical width
●Super Critical width

Link:    • Mine Subsidence|Trough & Pot hole Subsiden...  

Watch video !!! for description and definitions.

●CONTIGUOUS SEAM EXTRACTION
Parting between 2 Seam should be 3 to 9 mtr. WATCH VIDEO 📹

Link:    • Contiguous Seam Extraction ??? || A/C to C...  

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