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1 前言 众所周知普通混凝土的透水性是由它自身的缺陷而形成的。在常温下硬化的混凝土是一个多相多孔体系,它的力学性能主要取决于水泥石的性能、集料的性能、以及水泥石与集料之间的粘结能力和它们的相对体积含量。这些因素中水泥石对混凝土性能的影响起着主要作用。由于水泥在水化过程中水份蒸发使混凝土
1 Introduction It is well known that the water permeability of ordinary concrete is formed by its own defects. The concrete hardened at room temperature is a multi-phase porous system, and its mechanical properties mainly depend on the properties of the cement stone, the properties of the aggregate, and the binding ability between the cement stone and the aggregate and their relative volume content. Among these factors, cement stone plays a major role in the influence of concrete performance. As the cement evaporates during hydration, the concrete