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以水玻璃为激发剂,硅钙渣、矿渣微粉为原料制备得到了碱激发胶凝材料.分别采用XRD、IR、TG-DSC、ESEM等手段研究了试样不同龄期的反应产物及微观形貌特征.结果表明:主要反应产物为低Ca/Si比的C-(A)-S-H凝胶;这些C-(A)-S-H凝胶粒子相互分叉搭接,形成致密的三维蜂窝状网络结构;随着龄期的延长,硅钙渣中的β-C2S逐渐参与碱激发反应,产物C-(A)-S-H凝胶的聚合程度增大,基体致密程度提高.

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