| 요약1 |
Nowadays, a number of buildings is dimolished in a year, and most of waste concrete is thrown away reclaimed land. The committee for disposal and recycling of construction waste which was organized in builing contractor's Society held a study on the recycling of waste concrete as concrete aggegate. This study had been proceeded from April 1974 to March 1977, and the committee prescribed "The Recommanded practice for Usage of Recycled Aggregate and Recycled Concrete"Keyword : raw concrete (waste concrete), crusher, recycled aggregare (specific gravity, absortion of water, finess, quantity of cohesive cement paste on aggregate, impurity) recycled concrete (mix proportionworkability, entrained air, bleeding. compressive-, tensile-, shear-, bone-strength, elastic modulus, shrinkage; durability) |