Difference between revisions of "12.5 - Construction joints"

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'''[https://smdltd.co.uk/wp-content/uploads/2017/01/SMD.DOD_.178.V2-Construction-Joint.pdf Refer SMD Data Sheet SMD.DOD.178 - Construction Joint]'''
  
  

Revision as of 14:57, 25 January 2017

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With composite floor slabs, it is possible to achieve continuous concrete pours in excess of 1,000m2.

Where construction joints are required, these should always be formed as close as possible to the deck support at the butt joint in the deck sheets. The distance from the centre of the end support to the stop end should never exceed one-third of the span between the supports (Refer to Fig 12.5a).


12.5a.jpg

Refer SMD Data Sheet SMD.DOD.178 - Construction Joint


Construction joints should be formed using either timber or one of the proprietary joint systems available for use on composite floor deck profiles. Where a day joint is required, adequate continuity reinforcement must be provided either by extending a sheet of mesh or additional bars through the joint location to provide slab continuity between pours.




Other items within 12.0 - Concrete:-

12.1 - Site considerations
12.2 - Temporary propping
12.3 - Cleaning the decking
12.4 - Damaged decking
12.5 - Construction joints
12.6 - Reinforcement drawings and bending schedules
12.7 - Concrete mix requirements
12.8 - Placement
12.9 - Surface finish
12.10 - Surface flatness
12.11 - Curing
12.12 - Post-installation characteristics