SLAB JOINTS, CONCRETE,, CASTING, CURING,

1. JOINTS
TYPE OF JOINTS
CONCRETE SLAB AND WALL

2. JOINTS
WHEN CASTING CONCRETE DURING CURING CONCRETE
• IF ON THE SITE
NESSESARLY NEEDED
TO STOP CASTING
CONSTRUCTION
JOINT
• IF TOO BIG AREA TO
CAST CONCTERE USE
THE EXPANSION
JOINT
EXPANSION
JOINT
• TO SEPARATE
DIFFERENT
ELEMENTS
SHRINKAGE
JOINT
• TO CONTROL
RANDOM
CRACKING
CONTRACTION
JOINT
(CONTROL
JOINT)

3. CONSTRUCTION JOINTS
BUTT
TYPE
BUTT
TYPE
WITH
DOWELS
BUTT
TYPE
WITH
TIE BAR
KEY
JOINT

4. CONTRACTION JOINT(CONTROL JOINT)
SAW CUT
TYPE
1/8’’ WIDE AND
¼ OF SLAB
DEPTH.FILL WITH
JOINT FILLER
INSERT 1/8’’
PREMOLDED OR
METAL STRIP WHEN
CONCRETE IS PLACE
TO BE FLUSH WITH
SURFACE
TOOLED
TYPE

5. EXPANTION
JOINT
CAST AFTER 7- 40
DAYS
SHRINKAGE
JOINT
CAST AFTER
COMPLETING ALL
STRUCTURE