Concrete with low-heat and micro-expandingcement is a compensating contraction concrete.
低热微膨胀水泥混凝土是一种补偿收缩混凝土。
2
It has positive significance on expanding China coal source utilization and entering the world market of China cement technology.
该项技术研究成果对拓展我国煤资源的开发利用、促进我国水泥技术进入国际市场具有积极意义。
3
By measuring the expanding range of a certain mixing ratio cement mortar under regulated vibration state, to measure the fluidity of the cement mortar.