运用毛细管张力、表面自由能及弹性力学理论,建立了硬化水泥浆体中C-S-H凝胶体内纳米孔的失稳坍塌模型；根据Gibbs自由能理论从二维饱和孔隙水状态下分析了孔洞的稳定性.结果表明,当孔径在纳米量级范围内变化时,孔洞越大形状越圆越稳定,进入微米量级后,发生坍塌的可能性很小；当孔径一定时,水化产物的弹性模量越大则孔洞越稳定.
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