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Published byAshlynn Patrick Modified over 8 years ago
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Introduction to Concrete Design and Control of Concrete Mixtures – Chapter 1
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Overview Industry Trends The Beginning of an Industry Sustainable Development Essentials of Quality Concrete
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What is Concrete?
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Industry Trends Cement Consumption Pavements Bridges Buildings
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Cement Industry 97 plants in 36 states 57% of capacity held by top 5 companies 80% of capacity is foreign owned
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Cement Consumption 68.4 MMT consumed in 2009 2/3 of consumption between May and October 72% of consumption is ready mixed concrete
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Shipping
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Markets and Applications for Concrete (PCA 2010).
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Primary Markets
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The Beginning of an Industry
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Natural Cement 18 th century – John Smeaton Hydraulic cement versus Non-hydraulic cement “Natural cement”
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Joseph Aspdin
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Sustainable Development Concrete is the basis of much of civilization’s infrastructure and much of its physical development. Twice as much concrete is used throughout the world than all other building materials combined. It is a fundamental building material to municipal infrastructure, transportation infrastructure, office buildings, and homes
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Essentials of Quality Concrete Suitable Materials Mixing Transporting Placement and Consolidation Finishing and Jointing Hydration and Curing Design-Workmanship-Environment
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Suitable Materials
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Water-Cementitious Materials Ratio
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Summary Industry Trends The Beginning of an Industry Sustainable Development Essentials of Quality Concrete
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Questions
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