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Re: 10 story wood building

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Thanks for the link.  I'll look at it.  Sounds interesting, though I still have my doubts about it...

On Wed, Mar 9, 2011 at 11:47 AM, AWC Info <Info(--nospam--at)> wrote:

They don’t use columns. The structural elements are called cross laminated timber. Imagine plywood on steroids. Using 1x or 2x material, they laminate them together so that each layer is at a right angle to the other. The lumber has to be dried to about 10-12% MC prior to laminating so it maintains dimensional stability.


There’s an article coming out in the next issue of Wood Design Focus about it. For those of you who don’t get that, here’s a link to a document on the FPInnovations website that addresses design issues:







Subject: Re: 10 story wood building

From: David Topete <d.topete73(--nospam--at)>

To: seaint(--nospam--at)


Not only that, but compressive stresses in columns get very high...  Drift

and deflections get very high, and become a serviceability issue in low

seismic/average wind areas...


It just doesn't become very practical to build that tall...


On Tue, Mar 8, 2011 at 12:43 PM, Thor Tandy <vicpeng(--nospam--at)> wrote:


> Yes and some of the (seismic) loads are huge even for ="" rise=94

> *From:* David Topete [mailto:d.topete73(--nospam--at)]

> *Sent:* Tuesday, March 08, 2011 12:39 PM

> *To:* seaint(--nospam--at)

> *Subject:* Re: 10 story wood building

> A question for Buddy-

> I haven't looked into it, but with the talk of "high-rise" timber

> construction, isn't there still a concern of timber shrinkage even with

> manufactured/engineered lumber?

> On Mon, Mar 7, 2011 at 1:37 PM, AWC Info <Info(--nospam--at)> wrote:

> Our friends to the north are even thinking of going to 30 stories in wood:


> Buddy


David Topete, SE