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Five Years of ACI Concrete International Q & A about Construction
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Title
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Year
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Month
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Concrete Placement for Ogee Dam
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2020
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June
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Form Tie Spacing Tolerances
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2020
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June
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Epoxy-Coated Reinforcement and Cryogenic Temperatures
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2020
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May
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Removing Chalk Lines from Concrete
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2020
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April
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Eliminating Chair Feet Marks from Soffits
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2020
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April
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Streaks in Polished Concrete
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2020
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January
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Contraction Joint Spacing in Concrete Walls
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2019
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August
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Using Threaded Deformed Reinforcing Bars as Anchor Rods
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2019
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July
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Using Nondestructive Testing for Evaluation of Concrete Strength
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2019
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June
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Slump Requirements per ACI 301
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2019
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May
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Roughening of Existing Concrete to ¼ in. Amplitude per ACI 318
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2019
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May
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Repair of Joint Spalling
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2019
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April
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Winter Protection of Hard-troweled Slabs and Scaling
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2019
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March
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High Temperature of Mixing Water
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2019
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February
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Curing Concrete Bridge Decks and Cracking
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2018
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December
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Questions on Respirable Silica Dust Protection
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2018
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October
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Air Entrainment in Interior and Exterior Concrete Slabs
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2018
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August
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Tensile Bond Strength of Concrete
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2018
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July
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Lateral Pressure of Concrete in Formwork
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2018
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June
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Allowable Tolerances for Suspended Slab Edge
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2018
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May
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Minimum Concrete Cover for Balconies with PT Cables
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2018
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April
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Standard of Detailing of Concrete Reinforcement
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2018
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April
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Acceptable Concrete Cracking
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2018
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March
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Cleaning Slabs During Tilt-up Construction
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2018
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February
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Epoxy-Coated Reinforcement and Cover Depth Against Ground
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2018
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January
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Rebound Hammer and In-Place Strength Testing
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2017
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December
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Tolerances for Concrete Slabs Supporting Steel Tanks
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2017
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December
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Welded Wire Reinforcement Placement
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2017
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November
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Acceptance Testing Requirements in ACI Standards
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2017
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October
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Field- Versus Standard-Cured Cylinders Made from High-Strength Concrete
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2017
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August
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Joint Deterioration Mechanism and Prevention
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2017
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June
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Tolerances for Floors Supporting Operable Partitions
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2017
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January
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Curing Cylinders for Acceptance Testing
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2016
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December
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Curing and Curling of Concrete Slabs over Vapor Retarders
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2016
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November
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Cover Recommendations for Post-tensioned Concrete
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2016
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October
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Concrete Slab Curling Over Vapor Retarders
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2016
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September
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Dominant Joints in Concrete Slabs-on-Ground
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2016
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July
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Maintenance of Pervious Concrete Pavement
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2016
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April
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Cold Weather Cylinder Protection
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2016
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February
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Concrete Cover for Unbonded Tendons
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2016
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January
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Frequently Asked Post-Tensioning Question: Cracked Wedges
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2015
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October
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Reinforcement Inspection
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2015
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October
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Shotcrete Core Grades
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2015
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June
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Concrete Splatter
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2015
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May
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Chipping Hammer Weight Limit
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2015
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April
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Winter Maintenance of a New Concrete Parking Lot
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2015
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February
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Vapor Retarders and Durability of Slabs-on-Ground
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2015
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January
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