During this presentation we will examine the origins of concrete as a building material, and consider the milestones of development that were made to achieve the advanced concrete technology of today. We will learn about careful material selection and the importance of such concepts as water cement ratio by exploring the historic perspective of those who contributed to the progress of the concrete industry. We will examine some examples that emphasize just how durable concrete is, and take a closer look at what effects the durability of such structures.

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