Sidewalk that abuts curb or gutter shall have joints that match the curb or gutter joints.
Curb and gutter expansion joint spacing.
Joint shall be placed 1 0 from.
Small cracks through curbs do not usually reduce the serviceability or attractiveness of curbs as long as the curbs are uniformly supported.
Contraction joint spacing shall be 10 maximum or as directed by the inspector.
Left per made expansion joint.
The space between joints in curbs and gutters space between contraction joints or between contraction and expansion joints shall not exceed ten feet.
When directed by the engineer the.
The depth of contraction joints should be one fourth of the cross section of the concrete.
Between sidewalk and rigid structure.
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.
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.
50 0 maximum expansion joint spacing.
Usually contraction joint spacing of fifteen feet 15 ft is necessary to avoid intermediate cracks in separate curbs.
Maximum joint spacing for 5 foot wide sidewalk is 6 25 feet.
340 729 and cos sec.
Expansion joint shall be placed.
The space between sidewalk joints shall not exceed 125 of the sidewalk width for example.