Durability of concrete: ability to resist weathering action, chemical ...

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ASR Damage Examples Airfield parking apron at Naval Air Station Point Mugu, California . courtesy of U.S. Navy, NFESC CE 60 Instructor: Paulo Monteiro Mehta and Monteiro: Concrete
Sulfate Attack Importance • Sulfate attack on concrete has been reported from many other parts of the world. • As early as 1936 the concrete construction manual published by the U. S. Bureau of Reclamation warned that concentrations of soluble sulfates greater than 0.1 percent in soil may have a deleterious effect on concrete, and more than 0.5 percent soluble sulfate in soil may have a serious effect. CE 60 Instructor: Paulo Monteiro
Page 1 and 2: Durability Durability of concrete:
Page 3 and 4: Water in the Capillary CE 60 Instru
Page 5 and 6: Permeability of Cement Paste •Age
Page 7 and 8: Permeability of Aggregate • Compa
Page 9 and 10: Permeability of Aggregates Type of
Page 11 and 12: Physical Causes of Concrete Deterio
Page 13 and 14: 3. Deterioration by Frost Action Pr
Page 15 and 16: 3. Deterioration by Frost Action Ai
Page 17 and 18: This image cannot currently be disp
Page 19 and 20: Factors Controlling Frost Resistanc
Page 21 and 22: Consequence CE 60 Instructor: Paulo
Page 23 and 24: Effect of High Temperature •Effec
Page 25 and 26: Electrochemical Process of Steel Co
Page 27 and 28: Carbonation of Concrete Painting wi
Page 29 and 30: ASR Chemistry 1) The high pH in the
Page 31 and 32: ASR Optical Image CE 60 Instructor:
Page 33: ASR Damage Examples Built in 1965,
Page 37 and 38: Expansion of Concrete • When conc
Page 39 and 40: Expansive Reaction • C 3 A + 3C$H
Page 41 and 42: Sodium Sulfate Attack • Na 2 SO 4
Page 43 and 44: Factors Influencing Sulfate Attack
Page 45: ACI Building Code 318 • Severe at

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