List of products by author: J. C. D. D. Pierri

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  Geological and Geotechnical Aspects of Line 4S RJ - Stretch Morro do Cantagalo-Gávea

  Abstract: The present paper introduces the main geological and geotechnical aspects of Line 4: Stretch South from Rio de Janeiro Metro system. Crossing several geological scenarios, from very good rock to soils formed in transitional environment, the stretch will be excavated with Tunneling Boring Machine (TBM) with a diameter greater than 10 meters. Having as main reference more than 250 boreholes, the...

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  Innovative Hybrid EPB Tunnelling in Rio de Janeiro

  Abstract: The Line 4 South being constructed in Rio de Janeiro crosses complex geology that includes a long stretch of sand bounded by two stretches of hard, highly abrasive rock. These geological conditions, combined with the fact that the project is located in a distinct urban area, creates a demanding project scenario where special care needs to be taken. After carrying out an evaluation to determine...

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