Jet grouting treatments using PS1 technology - Formation of solid consolida- ted ground in the areas of departure and arrival of the
tBm-EpB during the con- struction of the tunnel on the high-speed railway line madrid-ZaraGoZa- BarcELona-FrEncH BordEr section nUdo dE
La trinidad-montcada.
2008 | 2010
Jet Grouting vault consolidation treatments (from exterior) to allow excavation in safe conditions of a High Speed Railway’s tunnel under heavy fractured rock – required unconfined compressive strength 3,5 MPa at 28 days - treatment thickness 4÷6 m - to be installed about 9.650 columns at the maximum depth of 30 m
