国家《建筑用砂》、《建筑用卵石、碎石》新标准经国家质量监督检验检疫总局批准,于日前公布。这两项国家标准将于2002年2月1日正式实施。新标准的实施对保证在“十五”期间满足建设所需的混凝土骨料质量,以及规范建筑砂石市场起到积极作用。改革开放以来,伴随经济建设的快速发展,建筑用砂石的需求增速加快,也对砂石的品种与质量提出了更高的要求。另一个值得重视的现状是天然砂石资 National “building sand”, “building pebbles, rubble” new standard approved by the State General Administration of Quality Supervision, Inspection and Quarantine, in a few days ago announced. These two national standards will be officially implemented on February 1, 2002. The implementation of the new standard has played a positive role in ensuring the quality of concrete aggregates required for construction during the 10th Five-year Plan period and in regulating the construction of gravel market. Since the reform and opening up, with the rapid development of economic construction, the demand for construction sand and gravel has increased rapidly, and the varieties and qualities of gravel have also been put forward higher requirements. Another worthy status quo is natural gravel