Blog – Concrete

Crack Chaser

Many Engineers use the term “crack rout and seal” on their drawings to describe the process of preparing cracks in concrete before filling them with sealant.  However, that terminology is not well known to the masons who actually perform the …

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Thoughts on Cast Stone and Concrete

By Craig E. Barnes, P.E., SECB The changes in the composition of concrete are somewhat like the change in rock structure.  Rocks have been with us since the beginning of time and the ingredients in concrete have been with us …

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Pervious Paving

By Peter Lew, RA, MACS Pervious concrete is a good “paving” choice for parking lots, especially during the summer months.  The textured surface created by the aggregate produces less glare from standing water, better traction for vehicles (less potential for …

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The Restoration of Harvard Stadium

by Wayne R. Lawson, P.E., SECB, Principal   Harvard Stadium was originally constructed over a five (5) month period in 1903 at a cost of $310,000.  In 1910 the colonnade level columns, wall, and roof were added.  During the renovation in …

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