Study on the possibility and problems of recycling used wastes as concrete

摘要

The modern industry has rapidly developed in production and consumption on a large scale, and it supplies us high living and tremendous wastes. These wastes can have harmful objects, so that it make difficult to dispose or to reuse such wastes not only quantitatively but also qualitatively. Re- cently as one of means of settling these problems, some kinds of wastes have been tried to use as con- structional materials, especially as concrete materials.