Mechanical properties of discarded shield residue improved by calcium carbide slag and fly ash as subgrade filling.
To utilize discarded shield residue and alleviate the shortage of subgrade filling, industrial wastes such as calcium carbide slag (CCS) and fly ash (FA) were considered to enhance the Lithium Camera Battery mechanical properties of the shield residue.A series of laboratory tests, including California Bearing Ratio (CBR) tests, unconfined compressi