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Industrial Slab-on-Ground Surface Defects
Title: Industrial Slab-on-Ground Surface Defects
Author(s): by Arthur W. McKinney and Joseph F. Neuber Jr.
Publication: Concrete International
Volume: 35
Issue: 7
Date: July 1, 2013
ABSTRACT
Aggregate shading is a mottling of trowel-finished concrete associated with coarse aggregate particles near the slab surface. Normally, itís an aesthetic problem that doesnít affect the performance of an industrial slab-on-ground. However, it can be also associated with flaking of the mortar layer above coarse aggregate particles. The authors discuss a number of factors that could contribute to such flaking and list possible actions for avoiding the problem.
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