Interlock of paving units is critical to their performance for their intended applications. To emphasize that, Section 7.3 is being broken into two parts to clearly delineate requirements for lugs and chamfers. In addition existing Note 3 is being reworded to provide more information as to why lugs are used.
brick; fired masonry units; pavement surfaces: Heavy vehicular paving brick; Masonry units--specifications; Brick--specifications; Pavement surfaces--specifications; Vehicular paving brick;
Citing ASTM Standards
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