Improved equations of ground pressure for shallow large-diameter shield tunnel considering multiple impact factors
Tunnelling and Underground Space Technology（2023）
摘要
•Improved equations are given for ground pressure of shallow large-diameter shield tunnel.•Two-stage method with non-uniform displacement pattern is proposed.•Results by improved equations are in agreement with those of 70 field cases.•Ground pressure solved by improved equations is compared with that by traditional methods.•Parametric analysis is conducted based on the improved equations.
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关键词
Ground pressure,Large-diameter shield tunnel,Shallow tunnel,Two-stage method,Non-uniform displacement pattern,Multiple impact factors
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