Ready-mix concrete is fabricated in the three concrete factories located at asland in Norway and is used for TBM segments produced in these same factories. These segments are used in currently Norways largest transport project, the Follo Line Project. The project will comprise a 20 km long tunnel which will be Norways first long twin tube rail tunnel. The life expectancy of the tunnel, and therefore of the concrete, will be at least 100 years. The studied Ready-mix concrete has a density of 2.43 t/m3 and the characteristic strength obtained is 55 MPa measured with cylindrical test.
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