浅谈卵石破碎人工砂在商品混凝土中的应用

由于天然砂资源的逐步减少及人们环保意识的加强，天然砂供需矛盾日益突出，我国大力提倡绿色混凝土，走可持续发展的道路，人工砂应运而生。卵石经专门设备加工而成的人工砂，与天然砂按适当比例配合成混合砂，能较好地应用于商品混凝土。本问介绍了混合砂的试验及应用情况。

On the artificial sand-gravel crushing concrete application in the commodity

Due to the gradual reduction of natural sand resources and the strengthening of people's awareness of environmental protection,natural sand supply and demand have become increasingly prominent,China vigorously advocating green concrete,take the road of sustainable development,artificial sand came into being.Processed by the specialized equipment pebble artificial sand,and an appropriate proportion in accordance with the natural sand mixed into the sand,can be well used ready-mixed concrete.This question des...