TeachMeFinance.com - explain Contraction joint
Contraction joint The term 'Contraction joint' as it applies to the area of reclamation can be defined as ' Contraction joints are joints placed in concrete to provide for volumetric shrinkage of a monolithic unit or movement between monolithic units. Contraction joints have no bond between the concrete surfaces forming the joint. Except as otherwise provided for dowels, reinforcement is never continuous across a contraction joint. Contraction joints will not transfer moment and will not transfer shear unless keyed'.
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