Noise Attenuation in Tunnel

ptc-1368288 · ‎Nov 25, 2009

I have substantially re-tutored the previous post, intentionally for those not familiar with the Mathcad working way for Engineers.
Previous attachments deleted

jmG

ELSID · ‎Nov 30, 2009

Will look closely at this. Was gone last week.

ptc-1368288 · ‎Nov 30, 2009

On 11/30/2009 11:50:17 AM, ElSid wrote:
>Will look closely at this.
>Was gone last week.
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On my side, will be gone this coming Friday/Saturday.
Will be back January, 15 2010.
To me, your project is crystal clear, done so.

jmG