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Mathematical Problems in Engineering
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Mathematical Problems in Engineering
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2015
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Article
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Tab 3
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Research Article
Intelligent Autofeedback and Safety Early-Warning for Underground Cavern Engineering during Construction Based on BP Neural Network and FEM
Table 3
The design and inversion value of parameters.
Rock type
Young’s modulus/GPa
(inversion value)
Young’s modulus/GPa
(design value)
III
6.49
6.5
IV
4.47
4.5