Think you know how to lay out joints? Test your skills in CC's Construction Joint Challenge.
Mechanical devices intended to prevent movement across joints in concrete slabs, joint stabiizers, were invented in 2005. To determine their long-term performance, the author went back to check some early installations.
After reviewing dozens of entries our panel of judges declared Geoff Ayton winner of the 2010 Concrete Construction Joint Challenge.
The Challenge: Lay out all control joints, construction joints, and isolation joints to provide for shrinkage and eliminate the possibility of cracking.
The Injecto Injectable Waterstop System helps overcome many of the problems that occur in cold joints during normal concrete placement.
The SD7 Joint Saver features an internal mechanism that expands and contracts with the concrete, maintaining extreme positive pressure on both slab sections that it contacts.
The Swellseal line of hydrophilic swelling waterstops provides and engineered solution to seal concrete joints.
ACPA offers a complete guide to pavement installation.
This primer by Joe Nasvik discusses best practices for construction joint layouts.