建筑用砂

统计分析表明，建筑用砂符合D＞3的分形，指数β很好地反映了砂的级配与粗细，可作为评估指标使用；

Statistic data also show that the sand for building obeys the fractals of D > 3 , and the exponential β perfectly reflects both granularity and grading of the sand so that it can serve as an evaluation index ;

国标《建筑用砂》修订对建筑施工的影响

The Influence on Construction Industry of Revision of National Standard Sand for Building

新国标GB／T14684-2001《建筑用砂》明确提出了生产企业要提供产品合格证的这一要求，促使人工砂生产企业建立质量保证体系，推动了机制砂的应用。

The new national stander GB / T14684-2001 " The sand used in construction " definitely request the production company must to provide the check out certificate of the production which force the supporter to build quality ensure system and promote the application of the machine made sand .

茂名高岭土尾砂循环用作建筑用砂的研究

Study on Maoming Kaolin Tailing Sand Cycle Used in Construction

利用重矿渣制造建筑用砂的研究

Research on Production of Building Sand by Using Heavy Slag

研究了用冶炼高炉重矿渣制造的建筑用砂的化学成分、物理性能以及在混凝土中的应用情况。

Study has been carried out on the chemical constitution and physical properties of the building sand made from the heavy slag from the blast furnace and its application to concrete .

设计制作了料层冲击实验装置，对特定粒度的建筑用砂进行落球粉碎试验，分析得到了最佳介质碰撞能量范围。

The experimental device of material layer impact and collision is designed and made . And the optimum charge collision energy range can be analytically obtain by doing the experiment of falling ball impacting experiment for a particular granularity building sand .

与此同时，由于我国砂资源分布不均，每年建筑用砂约为30多亿吨，消耗量十分巨大，致使砂资源短缺的矛盾显得日益突出。

Meanwhile , because of the resource maldistribution of sand of our country , the sand for building is about more than 3 billion tons every year , the consumption is very enormous , the contradiction causing sand resources in short seems outstanding day by day .

建筑用“人工砂”的研究应用

Study and applications of artificial building sand