Usually contraction joint spacing of fifteen feet 15 ft is necessary to avoid intermediate cracks in separate curbs.
Curb and gutter expansion joint spacing.
The curb gutter or curb gutter directly opposite construction or contraction joints in adjoining concrete pavement and at the required spacing in curb gutter or curb gutter adjoining asphaltic pavement.
The depth of contraction joints should be one fourth of the cross section of the concrete.
The space between joints in curbs and gutters space between contraction joints or between contraction and expansion joints shall not exceed ten feet.
Between sidewalk and rigid structure.
When directed by the engineer the.
Small cracks through curbs do not usually reduce the serviceability or attractiveness of curbs as long as the curbs are uniformly supported.
Whether or not joints should be spaced close enough to control all cracking is a matter of local preference.
Expansion joints a s t m.
Expansion joint shall be placed.
Contraction joint spacing shall be 10 maximum or as directed by the inspector.
Space joints between 6 feet and approximately 20 feet apart as the engineer directs.
Notes type b ribbon curb notes vertical curb gutter with depressed lip type a 2.
50 0 maximum expansion joint spacing.
Maximum joint spacing for 5 foot wide sidewalk is 6 25 feet.
340 729 and cos sec.
Joint shall be placed 1 0 from.
The space between sidewalk joints shall not exceed 125 of the sidewalk width for example.