The book Design of Concrete Mixtures was written by author Duff a Duff Andrew Abrams Here you can read free online of Design of Concrete Mixtures book, rate and share your impressions in comments. If you don't know what to write, just answer the question: Why is Design of Concrete Mixtures a good or bad book?
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45 2. 90 3. 60 4. 00 4. 40 t. 80 5. 20 5. 60 6. 00 6. 40 6. 85 7. 25 7. 65 3. 10 3. 90 4. 30 4. 70 5. 10 5. 50 5. 90 6. 30 6. 70 7. 15 7. 55 8. 00 3. 40 4. 20 4. 60 5. 05 5. 45 5. 90 6. 30 6. 70 7. 10 7. 55 7. 95 8. 40 3. 80 4. 75 5. 25 5. 60 6. 05 6. 50 6. 90 7. 35 7. 75 8. 20 8. 65 9. 10 . 9 -6 . 5 . 4 -3 -2 : -i 'Considered as "half-size" sieves; not used in computing fineness modulus. DESIGN OF CONCRETE MIXTURES 13 Calculation of Water Required for Concrete Because of the important influenc...e of the quantity of water in the concrete it is desirable to have a sound basis for proportioning the water. The quantity of water necessary for given proportions and conditions may be determined by the following formula: = R p + (- ha c j n L 2 V 1. 26m / (4) where x = water required ratio to volume of cement in batch (water- ratio). R Relative consistency of concrete, or "workability factor". Normal consistency (relative consistency = 1. 00) requires the use of such a quantity of mixing water as will cause a slump of ^2 to 1 in.
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