3) schalstein
['ʃɑ:lstain]
辉绿凝灰岩
4) special fine sand concrete
特细砂混凝土
1.
The preliminary research of the strength longitudinal distribution of the special fine sand concrete;
特细砂混凝土结构强度纵向分布初探
2.
The causes analysis and avoiding measure of the layering of the special fine sand concrete;
特细砂混凝土分层的原因分析与防止措施
5) fine aggregate concrete without sand
无砂细石混凝土
1.
An approach to ground of fine aggregate concrete without sand is introduced in respects of raw and processed materials, proportioning ratio, construction technology, and so on.
水泥砂浆地面起砂是建筑工程质量通病之一,用无砂细石混凝土做地面,经多年的实践应用,效果良好。
6) superfine sand concrete
特细砂混凝土
1.
Thus, research on measures for superfine sand concrete to get rid of plastic shrinkage cracks is of important practical significance.
因此,对特细砂混凝土塑性收缩防裂措施进行研究,具有重要的现实意义。
2.
In this research, using crushed limestone containing powder panicals ascoarse aggregate, high quality superfine sand concrete (SFSC) has been made.
７，比表面积２００ｃｍ２／ｇ，水泥用量与中、粗砂混凝土中相当时，特细砂混凝土的抗压强度可达５０～６０ＭＰａ。
补充资料：辉绿岩
| 辉绿岩 diabase 一种基性浅成侵入岩。深灰、灰黑色。主要由辉石和基性长石组成，含少量橄榄石、黑云母、石英、磷灰石、磁铁矿、钛铁矿等。基性斜长石常蚀变为钠长石、黝帘石、绿帘石和高岭石；辉石常蚀变为绿泥石、角闪石和碳酸盐类矿物。按次要矿物的不同，可分为橄榄辉绿岩、石英辉绿岩等。常以岩床、岩墙、岩脉形态产出。是铸石原料。质地均匀、无裂纹者可做石材原料，细粒者尤佳。
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