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Compressible Grout and Integrated Protective Linings on the West Trunk Sewer Contract 2

Compressible Grout and Integrated Protective Linings on the West Trunk Sewer Contract 2

14772

J. Hurt / J. Riechers / M. Ghasemi / A. DiMillo / V. DiMillo / A. Puri

Construction of Contract 2 for the twinning of the West Trunk sewer tunnel for the Region of Peel in the City of Mississauga consists of approximately 3,800m (12,500ft) of 3.0m (10ft) diameter trunk sanitary sewer. The new sewer is being constructed by tunneling using two EPB machines and installing precast concrete segments as the final liner. Two significant innovations are included in the construction of the tunnel. One is the use of Herrenknecht Combisegments® over a 250m length of the tunnel where a corrosion resistant lining was specified in the contract. The second is the use of a compressible annular grout to accommodate time dependent deformation of the ground. This paper discusses the development and use of these innovations.

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10,00 €

Year2017
CityBergen
CountryNorway