This thesis summarized the research history and achievements on the dynamic property of concrete and its component materials: cement mortar, aggregate and the interface between them.

本文首先对混凝土及其组成材料：水泥砂浆、粗骨料和两者的交界面的动态力学性能的研究历史和现有研究成果作了系统的总结。

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The surface area of aggregate per unit volume of mortar does have influence on the mean value of the nearest surface spacing, but the ratio between them is not constant.

单位砂浆体积下集料的表面积的变化对邻近集料表面最近间距的平均值有影响，但二者之间的比值并非常数。

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The influences of alkali curing solutions and cement aggregate ratios on expansion of mortar bars were investigated.

研究了养护碱溶液性质和胶砂比与硅质集料砂浆试样膨胀的关系。

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Specifically, they mentioned national infrastructure needed for moving products to market, information linkages to access greater opportunities and brick and mortar opportunities to aggregate products for sale.

FORBES: Ikatu International: Leveraging Markets, Creating Opportunity