drift

English translation: a horizontal passage leading into a mine (only open at one end)

GLOSSARY ENTRY (DERIVED FROM QUESTION BELOW)
English term or phrase:drift
Selected answer:a horizontal passage leading into a mine (only open at one end)
Entered by: Jack Doughty

15:19 Feb 7, 2015
English language (monolingual) [PRO]
Tech/Engineering - Construction / Civil Engineering
English term or phrase: drift
I dont know how to understand the "drifts" and so the phrase "in a series of drifts" in the below sentence. Please help me clarify it. Thank you.

"In the SEM, tunnel excavation and support is typically performed in a series of drifts, depending on the anticipated ground conditions, which are sequenced to develop successively larger openings."
Little Woods
Vietnam
a horizontal passage leading into a mine
Explanation:
It is a mining term, used in this sense here.
Selected response from:

Jack Doughty
United Kingdom
Local time: 11:17
Grading comment
Thank you for your help! I also guess this meaning but I am not confident. I also share that after checking with the client, they say drift is a tunnel open at one end only.
4 KudoZ points were awarded for this answer



SUMMARY OF ALL EXPLANATIONS PROVIDED
4 +5a horizontal passage leading into a mine
Jack Doughty


  

Answers


14 mins   confidence: Answerer confidence 4/5Answerer confidence 4/5 peer agreement (net): +5
a horizontal passage leading into a mine


Explanation:
It is a mining term, used in this sense here.

Jack Doughty
United Kingdom
Local time: 11:17
Meets criteria
Native speaker of: English
PRO pts in category: 60
Grading comment
Thank you for your help! I also guess this meaning but I am not confident. I also share that after checking with the client, they say drift is a tunnel open at one end only.

Peer comments on this answer (and responses from the answerer)
agree  Tony M
7 mins
  -> Thank you.

agree  Alaa AHMED
1 hr
  -> Thank you.

agree  Yorkshireman: Exactly, aka an adit. As they were open to daylight at ground level, the old miners also called them dayholes
6 hrs
  -> Thank you.

agree  Jennifer Levey
8 hrs
  -> Thank you.

agree  B D Finch
1 day 22 hrs
  -> Thank you.
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