Download - Construction Defects in concrete
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Construction Defects and Inspection
P.K. Mehta and P.J.M. Monteiro, Concrete: Microstructure, Properties, and Materials
Poor vibration
Courtesy from Paulo Barbosa
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Construction Defects and Inspection
P.K. Mehta and P.J.M. Monteiro, Concrete: Microstructure, Properties, and MaterialsCarlos Videla C.
Plastic Shrinkage
Courtesy from Carlos Videla
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Construction Defects and Inspection
P.K. Mehta and P.J.M. Monteiro, Concrete: Microstructure, Properties, and Materials
Plastic Shrinkage
Courtesy from Rubens Bittencourt
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Construction Defects and Inspection
P.K. Mehta and P.J.M. Monteiro, Concrete: Microstructure, Properties, and Materials
Plastic Settlement
Courtesy from Rubens Bittencourt
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Construction Defects and Inspection
P.K. Mehta and P.J.M. Monteiro, Concrete: Microstructure, Properties, and Materials
Plastic Settlement
Carlos Videla C.
Courtesy from Carlos Videla
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Construction Defects and Inspection
P.K. Mehta and P.J.M. Monteiro, Concrete: Microstructure, Properties, and Materials
Movement of the Formwork
Courtesy from Rubens Bittencourt
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Construction Defects and Inspection
P.K. Mehta and P.J.M. Monteiro, Concrete: Microstructure, Properties, and MaterialsCarlos Videla C.
1.5 Patologías Constr. Hormigón Causas de PatologíasSegregation
Courtesy from Carlos Videla
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Construction Defects and Inspection
P.K. Mehta and P.J.M. Monteiro, Concrete: Microstructure, Properties, and Materials
Crazing
Carlos Videla C.
Courtesy from Carlos Videla
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Construction Defects and Inspection
P.K. Mehta and P.J.M. Monteiro, Concrete: Microstructure, Properties, and Materials
Poor construction joint
Carlos Videla C.
Courtesy from Carlos Videla
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Construction Defects and Inspection
P.K. Mehta and P.J.M. Monteiro, Concrete: Microstructure, Properties, and Materials
Inadequate construction joint
Carlos Videla C.
Courtesy from Carlos Videla
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Construction Defects and Inspection
P.K. Mehta and P.J.M. Monteiro, Concrete: Microstructure, Properties, and Materials
Good construction joint
Carlos Videla C.
Courtesy from Carlos Videla
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Construction Defects and Inspection
P.K. Mehta and P.J.M. Monteiro, Concrete: Microstructure, Properties, and Materials
Insuficient cover
Carlos Videla C.
1.5 Patologías Constr. Hormigón Causas de Patologías
Courtesy from Carlos Videla
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Construction Defects and Inspection
P.K. Mehta and P.J.M. Monteiro, Concrete: Microstructure, Properties, and MaterialsCarlos Videla C.
1.5 Patologías Constr. Hormigón Causas de Patologías
Desplazamiento
Courtesy from Carlos Videla
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Construction Defects and Inspection
P.K. Mehta and P.J.M. Monteiro, Concrete: Microstructure, Properties, and Materials
Shrinkage
Carlos Videla C.
1.5 Patologías Constr. Hormigón Causas de Patologías
Courtesy from Carlos Videla
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Construction Defects and Inspection
P.K. Mehta and P.J.M. Monteiro, Concrete: Microstructure, Properties, and Materials
Corrosion
Carlos Videla C.Courtesy from Paulo Barbosa
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Construction Defects and Inspection
P.K. Mehta and P.J.M. Monteiro, Concrete: Microstructure, Properties, and Materials
Corrosion
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Construction Defects and Inspection
P.K. Mehta and P.J.M. Monteiro, Concrete: Microstructure, Properties, and Materials
Freezing of concrete
Carlos Videla C.
Courtesy from Carlos Videla
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Construction Defects and Inspection
P.K. Mehta and P.J.M. Monteiro, Concrete: Microstructure, Properties, and Materials
Efflorescence
Courtesy from Paulo Barbosa
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Construction Defects and Inspection
P.K. Mehta and P.J.M. Monteiro, Concrete: Microstructure, Properties, and Materials
Poor joints
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Construction Defects and Inspection
P.K. Mehta and P.J.M. Monteiro, Concrete: Microstructure, Properties, and Materials
Fire Damage
Carlos Videla C.
Courtesy from Carlos Videla
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Construction Defects and Inspection
P.K. Mehta and P.J.M. Monteiro, Concrete: Microstructure, Properties, and Materials
Fire in tunnels
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Construction Defects and Inspection
P.K. Mehta and P.J.M. Monteiro, Concrete: Microstructure, Properties, and Materials
Fire damage
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Fire in theChunnel
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Construction Defects and Inspection
P.K. Mehta and P.J.M. Monteiro, Concrete: Microstructure, Properties, and Materials
ASR damage
Furnas Dam
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Construction Defects and Inspection
P.K. Mehta and P.J.M. Monteiro, Concrete: Microstructure, Properties, and Materials
ASR damage
Built in 1965, this deteriorated bridge is located 9.7 miles west of Lee Vining at 9400 feet elevation on the eastern slope of the
Sierra Nevada.
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Construction Defects and Inspection
P.K. Mehta and P.J.M. Monteiro, Concrete: Microstructure, Properties, and Materials
ASR damage
Airfield parking apron at Naval Air Station Point Mugu, California .courtesy of U.S. Navy, NFESC
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Construction Defects and Inspection
P.K. Mehta and P.J.M. Monteiro, Concrete: Microstructure, Properties, and Materials
Problems in Waterfront Facilities
Courtesy from Douglas Burke
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Construction Defects and Inspection
P.K. Mehta and P.J.M. Monteiro, Concrete: Microstructure, Properties, and Materials
General Cracks
Courtesy from Douglas Burke
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Construction Defects and Inspection
P.K. Mehta and P.J.M. Monteiro, Concrete: Microstructure, Properties, and Materials
General Cracks
Courtesy from Douglas Burke
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Construction Defects and Inspection
P.K. Mehta and P.J.M. Monteiro, Concrete: Microstructure, Properties, and Materials
General Cracks
Courtesy from Douglas Burke
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Construction Defects and Inspection
P.K. Mehta and P.J.M. Monteiro, Concrete: Microstructure, Properties, and Materials
Courtesy from Douglas Burke
General Cracks
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Construction Defects and Inspection
P.K. Mehta and P.J.M. Monteiro, Concrete: Microstructure, Properties, and Materials
Poor Drainage
Courtesy from Douglas Burke
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Construction Defects and Inspection
P.K. Mehta and P.J.M. Monteiro, Concrete: Microstructure, Properties, and Materials
Top Deck Delamination SurveyTop Deck Delamination Survey
Chain Drag
Sounding with a Hammer
“Delam 2000”Courtesy from Douglas Burke
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Construction Defects and Inspection
P.K. Mehta and P.J.M. Monteiro, Concrete: Microstructure, Properties, and Materials
Closed Corrosion Closed Corrosion SpallsSpalls
Courtesy from Douglas Burke
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Construction Defects and Inspection
P.K. Mehta and P.J.M. Monteiro, Concrete: Microstructure, Properties, and Materials
Top Deck: Open Corrosion Top Deck: Open Corrosion SpallsSpalls
Courtesy from Douglas Burke
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Construction Defects and Inspection
P.K. Mehta and P.J.M. Monteiro, Concrete: Microstructure, Properties, and Materials
Mechanical Damage
Courtesy from Douglas Burke
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Construction Defects and Inspection
P.K. Mehta and P.J.M. Monteiro, Concrete: Microstructure, Properties, and Materials
Under Deck Inspections
Courtesy from Douglas Burke
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Construction Defects and Inspection
P.K. Mehta and P.J.M. Monteiro, Concrete: Microstructure, Properties, and Materials
Open Corrosion Spalls
Courtesy from Douglas Burke
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Construction Defects and Inspection
P.K. Mehta and P.J.M. Monteiro, Concrete: Microstructure, Properties, and Materials
Closed Corrosion Spalls
Courtesy from Douglas Burke
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Construction Defects and Inspection
P.K. Mehta and P.J.M. Monteiro, Concrete: Microstructure, Properties, and Materials
Corrosion Cracks
Courtesy from Douglas Burke
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Construction Defects and Inspection
P.K. Mehta and P.J.M. Monteiro, Concrete: Microstructure, Properties, and Materials
A “swim by” inspection of 100% of the concrete
piles, from the splash zone to the mud line.
Visual Inspection of Piles: Level I
Courtesy from Douglas Burke
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Construction Defects and Inspection
P.K. Mehta and P.J.M. Monteiro, Concrete: Microstructure, Properties, and Materials
A 12” wide band is cleaned to expose the pile surface for inspection at three elevations: Mud line; Mean Low Water; Mid-depth
Visual Inspection of Piles: Level II(10% of piles)
Courtesy from Douglas Burke
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Construction Defects and Inspection
P.K. Mehta and P.J.M. Monteiro, Concrete: Microstructure, Properties, and Materials
Visual Inspection of PilesLevel II
(10% of piles)
• Visual inspection
• 5 strikes: geology pick
• Photograph
• Measure defects
Courtesy from Douglas Burke
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Construction Defects and Inspection
P.K. Mehta and P.J.M. Monteiro, Concrete: Microstructure, Properties, and Materials
VISUAL DETERIORATION CLASSIFICATIONS
I - SOFTNESS, EROSION AND SLIGHT CRACKING
Courtesy from Douglas Burke
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Construction Defects and Inspection
P.K. Mehta and P.J.M. Monteiro, Concrete: Microstructure, Properties, and Materials
VISUAL DETERIORATION CLASSIFICATIONS
II - CRACKING, SOFTNESS, EROSION AND SOME DELAMINATION
Courtesy from Douglas Burke
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Construction Defects and Inspection
P.K. Mehta and P.J.M. Monteiro, Concrete: Microstructure, Properties, and Materials
VISUAL DETERIORATION CLASSIFICATIONS
III - DELAMINATION TO EXPOSE REINFORCING
Courtesy from Douglas Burke
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Construction Defects and Inspection
P.K. Mehta and P.J.M. Monteiro, Concrete: Microstructure, Properties, and Materials
VISUAL DETERIORATION CLASSIFICATIONS
IV - COMPLETE LOSS OF CONCRETE
Courtesy from Douglas Burke
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Construction Defects and Inspection
P.K. Mehta and P.J.M. Monteiro, Concrete: Microstructure, Properties, and Materials
ASTM C 42-99 “Standard Test Method for Obtaining and Testing Drilled Cores and Sawed Beams of Concrete”
ASTM C 823-00 “Standard Practice for Examination and Sampling of Hardened Concrete in Constructions”
Concrete Sampling
Courtesy from Douglas Burke
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Construction Defects and Inspection
P.K. Mehta and P.J.M. Monteiro, Concrete: Microstructure, Properties, and Materials
Above water Concrete Core Sampling
Courtesy from Douglas Burke
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Construction Defects and Inspection
P.K. Mehta and P.J.M. Monteiro, Concrete: Microstructure, Properties, and Materials
Core
Drilling
Grab Samples
Intertidal Zone Concrete Core Sampling
Courtesy from Douglas Burke
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Construction Defects and Inspection
P.K. Mehta and P.J.M. Monteiro, Concrete: Microstructure, Properties, and Materials
Underwater Concrete Core Sampling
Courtesy from Douglas Burke
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Construction Defects and Inspection
P.K. Mehta and P.J.M. Monteiro, Concrete: Microstructure, Properties, and MaterialsCourtesy from Douglas Burke