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The Scientific World Journal
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2013
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Article
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Fig 16
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Research Article
Model Test of Anchoring Effect on Zonal Disintegration in Deep Surrounding Rock Masses
Figure 16
Radial strain around tunnel measured by optical fiber strain sensor.
(a)
ā Layout sketch of optical fiber strain sensor
(b)
Strain of anchored model
(c)
Strain of model without anchoring