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Reinforcement percentage to control shrinkage cracking[Subject Prev][Subject Next][Thread Prev][Thread Next]
- To: <seaint(--nospam--at)seaint.org>
- Subject: Reinforcement percentage to control shrinkage cracking
- From: "Ashraf, Mohammed \(Qatar\)" <mohammed.ashraf(--nospam--at)worleyparsons.com>
- Date: Mon, 3 Jul 2006 08:05:15 +0300
- Cc: <seaint-ad(--nospam--at)seaint.org>
ACI 224 s.3.5.2 says “The minimum amount and spacing of reinforcement to be used in structural
floors, roof slabs, and walls for control of temperature and shrinkage cracking is given in ACI 318 or in ACI 350R. The
minimum-reinforcement percentage, which is between 0.18 and 0.20%, does not normally control cracks to within generally
acceptable design limits. To control cracks to a more acceptable level, the percentage requirement needs to exceed
What is the minimum dimension of a slab we need to go for higher percentage of steel ?. Also is it a good practice to provide this steel in two layers at bottom and top?.
Thanks in advance
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