Transcription of Mix Design Basics - Civil Engineering
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Mix Design Basics - Civil Engineering
Mix Design BasicsCIVL 31371 CIVL 31372 Mix Design Goalsadequateworkabilityadequatestrength adequatedurabilityminimum costCost of MaterialsCIVL 31374 Source: November 7, 2011 31375 Mix Design Goalsadequateworkabilityadequatestrength adequatedurabilityminimum costCIVL 31376 Minimizing Cost Cementminimize the void space betweenthe aggregate particlesminimize the surface area ofthe aggregate particlesCIVL 31377 Minimizing Void Space Void content = 48%Void content = 41%CIVL 31378 Minimizing Surface Areasurface area = 11 ft2surface area = 22 ft210"CIVL 31379 Minimizing Surface Areasurface area = ft2/ft3surface area = ft2/ft3 CIVL 313711 Obtaining Adequate Workability mortargravelNeed enough mortar to keep all the gravel particles 313712 Inside Concretemortargravelcement pastesandCIVL 313713 Obtaining Adequate Workability cement pastesandNeed enough cement paste to keep all the sand grains
CIVL 3137 6 Minimizing Cost Cement minimize the void space between the aggregate particles minimize the surface area of the aggregate particles
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