1. Novel Adhesive Anchoring System through Engineered Interface
Hua Liu (PhD Candidate)
Da Lu (Visiting Scholar)
Jian Zhao (Faculty Advisor)
University Of Wisconsin-Milwaukee

2. Adhesive Anchor System

3. Load transfer process
Tension load
Interface
Concrete
Anchor
Adhesive

4. Interface is critical Round 5 micrometers A tiny separation
Damage bond strength
Exist In practices
Field study (Grosser et al. 2011)
Black (2017)
Tensile capacity relies on adhesion

5. New adhesive anchors
Concrete
Ribs
Anchor

7. Anchor in Uncleaned Smooth Dry Hole

8. Anchor in Uncleaned Threaded Dry Hole

9. Anchor in Cleaned Threaded Dry Hole

10. Test adhesive anchors in cracked concrete (ongoing).

12. Summary
1. The adhesive-concrete interface is critical. 2. Create threads in drilled holes. 3. Help engineers to design safe connections.

13. Thank you for your supports.
1. UWM Research Foundation 
2. UWM Prototyping Center
3. UWM The Advanced Analysis Facility
4. DeWalt

14. Question?