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RE: Design of Pavement Section

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“Concrete Floors on Ground” by Ralph E. Spears, PCA 1978 or the updated version “Concrete Floors on Ground”, EB075.  Both have design charts for axles with single and dual wheels.  We did a slab design for the local fire department 4 or 5 years ago.  I think it was 8” think with wire mesh.  We made sure the wire mesh was where it was suppose to be and wet cured the concrete.  Also, put control joints at 15’.  I was there last week and there are no cracks.  It is holding up fine.  But the PCA design guide walks you through the design. 


Gary W. Loomis, P.E., Senior Structural Engineering

Master Engineers and Designers, Inc.

-----Original Message-----
From: Bill Allen [mailto:T.W.Allen(--nospam--at)]
: Thursday, December 20, 2007 4:31 PM
Subject: Design of Pavement Section


Don’t ask me why, but I need to design a driveway (on grade) for a fire truck. I believe the owner wants to use AC, but if he must go with PCC, then he will.


Are there any good guidelines, references, methods used to design a section for this purpose? I sure would hate to waste a bunch of time if this is something that is pretty simple.


I’m supposed to be receiving wheel loads later today.




T. William (Bill) Allen, S.E.


Consulting Structural Engineers
V (949) 248-8588 F(949) 209-2509