Abstract
This study aimed to make effective use of waste glass cullet (GC) as a fill material in the sand drain (SD) method, which is a method for accelerating consolidation, from the perspective of waste resource management. A soil consolidation test was devised and implemented with a 1/10-scale model, and an experimental study was conducted using GC, sea sand (which has been demonstrated to be effective as an SD material) and GC mixed sand, which is a mixture of GC and pit sand (decomposed granite soil). Pit sand is unsuitable in isolation as an SD material. The following results were found. 1) The accelerated consolidation effect of SD with GC and of SD with sea sand were found to be largely equivalent. 2) The grain size of pit sand (decomposed granite soil) can be improved by mixing it with GC to achieve an accelerated consolidation effect similar to sea sand. 3) The accelerated consolidation effects of SD materials that have coefficients of permeability _mli006b_mls0073 in a range of 5.5× 10−5-1.7×10−3 m/s do not differ greatly.
