2018 Pavement Workshop May 23-24, 2018

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Presentation transcript:

2018 Pavement Workshop May 23-24, 2018 Partial Depth Joint Repairs Justin Lashley Concrete Engineer Braun Intertec + 46 Associate Members

Project Task Task 1 – Summary of Patch Installation Patch preparation Mixing procedures Placing procedures Curing Techniques Task 2 – Manufacturer Survey and Literature Review

Project Task Task 3-5 – Yearly Review Task 6 – Final Report How are the materials performing 3 years Task 6 – Final Report

Installation – Typical Cell

Installation 16 Products Varied mixing procedures Revovling drum Paddle Drill Screw

Installation 16 Products Varied mixing procedures Revolving drum Paddle Injection Drill Screw Compaction Heated trailer

Installation Placing and finishing procedures were similar Curing procedures varied Epoxy vs cementitious

First Winter One material would be considered a failure Several patches have delaminated Bond still seems intact Potentially caused by existing concrete (undermining) Broadcast aggregate is mostly gone

Pulling it all Together Can the repair be done quickly and how long can it be expected to last? What needs to be done to prepare the patch? What is the equipment needed for placing the material? Can it be done with what maintenance currently has Does training need to take place

Questions? Justin Lashley jlashley@braunintertec.com

Thank You