Adhesion – A challenge for concrete repair

Experimental work on prismatic concrete specimens was conducted to determine the relationship between mechanical restraint and the rate of corrosion. The current together with the changes in strain of the confining frame were monitored during the accelerated corrosion tests. The effect of mix design and cracking on the corrosion rates was also investigated. The results show that one-dimensional mechanical restraint retards the corrosion process, as indicated by the reduction in the steel loss. Improved quality of the matrix, with and without cracking, reduces the rate of steel loss. In the inferior quality concrete, the effect of cracking on the corrosion rate is minimal.Key words: corrosion, concrete, repair.

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All-season monitoring of concrete repair in an urban tunnel in Brussels using embedded ultrasonic transducers with emphasis on robustness to environmental variations

Journal of Civil Structural Health Monitoring ◽

10.1007/s13349-021-00486-9 ◽

2021 ◽

Author(s):

Cédric Dumoulin ◽

Arnaud Deraemaeker

Keyword(s):

Ultrasonic Transducers ◽

Concrete Repair ◽

Environmental Variations

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Study of mortar creep with additional polymer materials for concrete repair

Journal of Physics Conference Series ◽

10.1088/1742-6596/1912/1/012061 ◽

2021 ◽

Vol 1912 (1) ◽

pp. 012061

Author(s):

P M Putri

Keyword(s):

Polymer Materials ◽

Concrete Repair

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Structural concrete repair: Machine applied systems

Construction and Building Materials ◽

10.1016/0950-0618(92)90029-x ◽

1992 ◽

Vol 6 (1) ◽

pp. 47-51

Author(s):

M. Shaw

Keyword(s):

Structural Concrete ◽

Concrete Repair

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Application of Inorganic Cohesive Glue in Concrete Repair

Advanced Materials Research ◽

10.4028/www.scientific.net/amr.168-170.945 ◽

2010 ◽

Vol 168-170 ◽

pp. 945-948

Author(s):

Shu Hua Liu

Keyword(s):

High Strength Concrete ◽

Mechanical Performance ◽

High Strength ◽

Concrete Repair ◽

Repair Work ◽

Strength Concrete ◽

Original Specimen ◽

Better Than

The properties of inorganic cohesive glue and its appliance to repairing ordinary and high strength concrete were studied in this paper. Inorganic cohesive glue not only has high strength, but also has equivalent coefficient of expansion with that of concrete and steel. The mechanical performance of inorganic cohesive glue is better than that of concrete, and other performances are similar to those of concrete. In the concrete repair work, it can mend the ruinate concrete well, and the strength of the repaired concrete is as high as or higher than that of original specimen.

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