Construction procedures

Author(s): 
Alejo Sfriso
Category: 
Geotechnical

A family of constitutive models for mine cemented backfill is presented. Four formulas for the density- and pressure-dependency of elastic moduli, five formulas for the density and pressure-dependency of friction angle and four formulas for the age-dependency of the elastic moduli and effective Read more... about A family of constitutive models implemented in PLAXIS to simulate cemented mine backfill

Author(s): 
Alejo Sfriso
Category: 
Geotechnical

This paper presents a summary of the current construction procedures for urban excavations in Buenos Aires, Argentina. The geotechnical conditions are briefly described, and a few case histories are reported. These case histories include large excavations supported with posttensioned anchors, Read more... about Recent experiences with ground retaining systems in Buenos Aires, Argentina

Author(s): 
Alejo Sfriso and Jorge Laiun
Category: 
Geotechnical

Buenos Aires, Argentina, is expanding it’s metro network. Some 22 km of new tunnels and a number of metro stations have been constructed between 1998 and 2011, and three new lines including 20 km of tunnels are scheduled for construction in the near future. During these years, construction Read more... about Evolution of construction processes for metro stations in Argentina

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