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Re: Spacing of Expansion Joints in R.C Building

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It seems like that 30 m spacing of expansion joint is recommened  as a rule
of thumb based on Sec 3.4 in ACI 224.3R.  You could find good reference in
Ch.4 "Joints in Building" in Handbook of Concrete Engineering by Fintel.

"Soojin, Hur" wrote:

> Now we are designing a reinforced concrete building as wall slab system
> with 30m x 70m (width x length) in Iran which building is
> air-conditioned.
> Client's consultant insist us to provide expansion joints in
> longitudinal direction of building no greater than 30m as per ACI code.
> However we can not find out the relevant requirement for it out of ACI.
> Is there anyone who know where is the relevant requirement in ACI or in
> any other reference? Is there any other solution to eliminate the
> expansion joints for this building?
> Thanks.