碱矿渣水泥的结构与性能研究

本文主要研究了激发剂对碱矿渣水泥强度、硬化碱矿渣水泥浆体的孔结构及其水化程度的影响。结果表明：固体硅酸钠是一种性能良好的激发剂，当其掺量为3％时，碱矿渣水泥28天抗压强度达55．6MPa；同时，硬化碱矿渣水泥浆体具有致密的结构，孔隙率仅为17．5％，有利于提高其耐久性；另外，该水泥的早期水化程度较高，后期增长缓慢，有利于长期强度的发展。

Study on the Strucures and Properties of Alkali-activated Slag Cement

The influence of activator of Alkali-activated slag cement (AASC) on strength is studied. At the same time, the pore structure of AASC and its hydration degree are analyzed. The experiment results show that solid Na2SiO3 is a good activator and when its addition in AASC is 3%,the strength of AASC can reach 55.6MPa at 28 day age. In addition, the structure of hardened AASC paste is dense and the porosity is only 17.5% . It is of advantage for improving the durability of AASC. The hydration degree of AASC is high at early age and increases slowly with curing time. It is of advantage for the later strength development.