[su_divider top=”yes” text=”Go to the top” style=”default” divider_color=”#FD8B00″ link_color=”#FD8B00″ size=”4″ margin=”15″]
[wonderplugin_pdf src=”https://www.mytrustworth.com/wp-content/uploads/2020/05/Lecture-28_-Defects-and-Damage-in-Building-Construction.pdf” width=”100%” height=”450px” style=”border:0;”]
Download Civil Engineering Construction (Lecture # 28) – PDF
[su_divider top=”yes” text=”Go to the top” style=”default” divider_color=”#FD8B00″ link_color=”#FD8B00″ size=”4″ margin=”15″]
Outlines
Concrete Defects and Damage
Concrete Damage due to Reinforcement Corrosion
Recognizing defects and probable causes
Typical times of appearance of defects
Typical times of appearance of defects
Common causes of cracking in concrete structures
Intrinsic cracks in hypothetical structure
Crack sizes
Defects due to construction
Construction defects
Construction defects
Construction defects
Plastic Shrinkage
Plastic Settlement
Autogenous Shrinkage
Crazing
Crazing
Drying Shrinkage
Cracking examples
Load-induced Defects
Structural cracks
Structural cracks
Fatigue
Defects related environmental factors and material properties
Weathering
Mould and moisture damage
Mould and moisture damage
Mould and moisture damage
Mold and moisture damage
Thermal expansion
Scaling
Scaling
WHY Do Concrete Surfaces Scale?
A.The use of non-air-entrained concrete or too little entrained air.
B.Application of excessive amounts of calcium or sodium chloride deicing salts on concrete.
https://www.armca.ca/uploads/files/Tech%20Tips/CTT2
-Scaling%20Concrete%20Surfaces.pdf
C.Any finishing operation performed while bleed water is on the surface.
D.Insufficient curing.
Popouts
Delamination
Efflorescence
Steel Corrosion
Other defects
Alkali-silica reaction (ASR)
Delayed ettringite formation (DEF)
Other damage: Fire damage
Other damage: Fire damage
Possible Sources and Effects of Masonry Distress
Possible Sources and Effects of Masonry Distress
Brick Efflorescence
Eroded Mortar Joint
Classification of the defects in wall renderings
Examples of rendering defects
Examples of rendering defects
Summary
[su_divider top=”yes” text=”Go to the top” style=”default” divider_color=”#FD8B00″ link_color=”#FD8B00″ size=”4″ margin=”15″]
Share this: