SHOTCRETE AS PRIMARY LINING IN DRIVEN TUNNELS AND COLLECTORS

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SHOTCRETE AS SECONDARY LINING IN REPROFILING DRIVEN TUNNELS AND COLLECTORS

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SHOTCRETE FOR ALIGNING EXCAVATED TUNNELS’ UNDERGROUND SLIT WALLS BY MEANS OF MILAN METHODseparator

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SHOTCRETE TO SECURE TEMPORARY WORKING FACE OF DRIVEN TUNNELS AND COLLECTORSseparator

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LOW PRESSURE HYDRO ISOLATION GROUTING MIX OF CEMENT AND CRYSTALLIZATION COMPONENTseparator

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LOW PRESSURE REINFORCING GROUTING FOR TUNNEL VAULTS AND COLLECTORSseparator

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TUNNELS AND COLLECTORS’ WORKING FACE REINFORCING CONCRETE FILLING OF ROD ANCHORSseparator

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LOW PRESSURE REINFORCING GROUTING OF TUNNELS’ AND COLLECTORS’ SECONDARY LINING OF THE TOP VAULT CANOPIESseparator

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