Evaluation of Bonding Agent Application on Concrete Patch Performance

Riding, Kyle A.; DonJuan, Jose; Kansas State University. Civil Engineering Dept.

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Evaluation of Bonding Agent Application on Concrete Patch Performance

2014-08-01
By Riding, Kyle A. ; DonJuan, Jose

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Details:

Creators:

Riding, Kyle A. ; DonJuan, Jose

Riding, Kyle A. ; DonJuan, Jose Less -
Corporate Creators:

Kansas State University. Civil Engineering Dept.
Corporate Contributors:

United States. Dept. of Transportation. Research and Innovative Technology Administration
Subject/TRT Terms:

[+]

Bond Strength (Materials) Cement Grouts Epoxides Guideways Highways I22: Design Of Pavements, Railways And I33: Other Materials Used In Pavement Layers I61: Equipment And Maintenance Methods Laboratory Tests Maintenance And Preservation Materials Patching Pavements Polyvinyl Acetate Portland Cement Concrete Research Hub Shear Tests
Publication/ Report Number:

MATC-KU: 166 ; 25-1121-0003-166

MATC-KU: 166 ; 25-1121-0003-166 Less -
Resource Type:

Tech Report
Geographical Coverage:

United States
TRIS Online Accession Number:

01544615
Edition:

Final Report July 1, 2012 – July 31, 2014
Corporate Publisher:

Mid-America Transportation Center
Abstract:

The durability of partial depth repair is directly related to the bond strength between the repair material and existing concrete. Bond strength development sensitivity to wait time with the use of bonding agents in partial depth repair was investigated in this study. Cementitous grouts, epoxy, acrylic latex, and polyvinyl acetate were used as bonding agents for portland cement concrete repair material. Portland cement concrete repairs with dry and saturated surface dry conditions, and three rapid repair cementitious materials were used for comparative purposes to investigate the benefits over other alternatives for using bonding agents. Laboratory samples were made by placing repair concrete 0, 2, 5, 10, and 30 minutes after bonding agent application. The bond strength was then measured using a direct shear test. Field tests were performed using the repair materials and bonding agents. When the agents were applied in the field, the wait times between bonding agent application and repair material applicatio n were 0, 15, 30, and 45 minutes. Seven - day and 5 - month direct tension pull - off tensile tests were performed during the field experiment. The data from both experiments show that when using cement grout bonding agents, after 15 minutes, bond loss can be ex pected. Wait times did not have a significant effect on epoxy and acrylic latex bonding agents as long as they were placed before setting. The polyvinyl acetate agent and repair materials can develop high bond strength in laboratory settings, but when used in the field, the bond strengths experience strength loss with time. The results also showed that adequate bond strength for many repairs can be obtained by placing the repair concrete on a substrate in saturated surface dry condition.
Format:

PDF
Collection(s):

University Transportation Centers US Transportation Collection
Main Document Checksum:

[+]

urn:sha256:dcfc73cf25b979bd0967eb7a1f6c9bddaa9232992934891cabadf936a20312a2
Download URL:

https://rosap.ntl.bts.gov/view/dot/28312/dot_28312_DS1.pdf
File Type:

[PDF-6.93 MB]