Slope Benching
nounPronunciation: /sloʊp ˈbɛntʃɪŋ/
The engineered practice of creating stepped, horizontal terraces on steep mine slopes to reduce grade angles, improve stability, and facilitate drainage and vegetation establishment. Benching also serves aesthetic and safety functions by breaking up continuous vertical surfaces.
Plain English
Creating flat steps or terraces on steep slopes to improve stability, drainage, and prevent erosion.
Etymology & History
Usage
"Slope benching with 15-meter vertical intervals reduced erosion rates and enabled successful native plant establishment on the pit wall."
Style guide notes: Use 'benching' as both noun and verb; 'bench' refers to individual terrace; avoid 'bench marks' in this context.
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Related Terms
Frequently Asked Questions
What is the optimal bench width for reclamation?
Bench width depends on slope angle and soil depth; typically 5-20 meters to support vegetation and drainage.
How does benching improve slope stability?
Reduced angles decrease gravitational forces; terraces intercept and manage water runoff preventing erosion.
Why Test Candidates on This?
Fundamental technique tested in site design, closure planning, and practical reclamation implementation assessments.
Required skill level: Junior