Concrete Finishing and Curing Flashcards
is the operation of consolidating, leveling, and creating a concrete surface of a desired texture and hardness
concrete finishing
concrete finishing takes place in two stage
- initial finishing
- final finishing
helps compact and level the surface and close minor cracks
Floating
two stages in float
- bull float
- power or hand float
this involves floating traveling edging jointing or patterning the concrete
final finishing
concrete can be given many different surface finishes including
- grooming
- coloring
- patterning
- polishing
leaves a dense hard, smooth, and durable surface and should be done twice through hand or power trowel
troweling
all of the edges of a club should be finished with a special edging tool
edging
means making a joint in concrete slab with depth 1/4 of the slab thickness
grooving
what is the purpose of groove
prevent spreading of cracks in concrete slab
rules to finish concrete
Float
Wait
Edge
Joint
Trowel
Texture
Never
Cure
is the maintenance of a satisfactory moisture content and temperature in concrete for a period of time immediately after placing and finishing so that the desired properties may develop
curing
how to cure a concrete?
- apply extra water
- stopping water loss
household concrete jobs must be cured for at least
3 days
for better strength and durability cure concrete for
7 days