日本建设省于1997年10月7日作出规定,在施工中建设工地所产生的混凝土块和污泥土等所谓的建筑废弃物,要实现资源再利用,并提高利用率,制定出“建设资源再利用推进计划”。全国各地区的公共工程承接者,在工程设计阶段必须履行义务把建设废弃物资源再利用纳入工程计划,并做出计划报告,要求到2000年将建设工地废弃物资源再利用率由1995年的58％提高到80％。 推行该计划,除了国有和地方所属公用工程团体外,也要求 Japan’s Ministry of Construction made regulations on October 7, 1997 that during the construction of construction sites, the so-called construction waste, such as concrete blocks and sludge soil, should be constructed to realize the reuse of resources and increase the utilization rate. Reuse the promotion plan." The undertakers of public works in all regions of the country must perform the obligation to incorporate the recycling of construction waste into the project plan during the engineering design phase, and make a plan report, requesting that the recycling rate of waste resources from the construction site be up to the year 1995. 58% increase to 80%. The implementation of the plan requires that in addition to state-owned and local public engineering groups