特细砂、机制砂、混合砂建筑砂浆基本性能研究(之一)——砂浆原材料分析

本文结合重庆市建筑砂浆常用的水泥、砂的实际情况,研究了所用水泥的凝结时间、强度等和长江砂、石灰岩机制砂、湖南洞庭湖砂的密度、级配、表观质量等,为建筑砂浆拌和物性能和硬化体性能研究提供基础数据;本文采用砂样品照片与其技术指标的对应比较方法,以便帮助关注砂浆用原材料质量的有关人员直观了解砂浆用原材料质量。

Basic Performance Study of Especially Fine Sand,Mechanism Sand and Mixed Sand Building Mortar

Combine actual situation of building mortar common cement and sand in Chongqing,stydy the setting time and strength of cement,density,grading and apparent quality,etc.of the Yangtze river sand,limestone mechanism sand,Hunan Dongting lake sand,to provide basic data for building mortar mixing properties,sclerosis research body performance.The paper uuse sand sample photos and technical indicator corresponding comparative method,In order to help the relevant person to attention to raw material quality intuitiv...