TY  - SER
AU  - Aqil, Umair
AU  - Tatsuoka, Fumiio
AU  - tomita, Yuichi
TI  - Strenght and De for mation Characteristics of Recycled Concrete Aggregate As A Backfill Material
KW  - Compressive Strength
KW  - Dry Density
KW  - Moulding Water Content
ER  -