Adhesion of underwater repair concrete to vertical surfaces
Source abstract
Abstract
The paper presents the results of testing the influence of hydrostatic pressure and the method of surface preparation on the adhesion of repair concrete to the vertical substrate. A specially designed and constructed steel container (a chamber) has been used to place the repair concrete underwater and cure it under hydrostatic pressure. A frame installed on the container’s bottom enabled the concrete substrate to be placed, simulating the vertical wall of the structure. The concrete substrate’s surface, on which the repair concrete was placed, has been initially treated by hammering and sand-blasting. The SRI index characterised the degree of surface treatment. The prepared substrates with placed repair concrete underwent hydrostatic pressure from 0.1 to 0.5 MPa for 28 days. After curing, the adhesion of the repair concrete to the substrate was determined using the pull-off method. Based on the results obtained, the effect of hydrostatic pressure and substrate preparation on the adhesion of the repair concrete to the vertical surfaces was analysed. The location of the tested samples in the repaired element (the distance of the sample to the upper edge of the element) has been considered. An apparent influence of the hydrostatic pressure on the concrete’s adhesion has been found in the case of the sand-blasted substrate. However, no significant effect of the hydrostatic pressure was observed for the hammered surface. • Hydrostatic pressure affects the adhesion of underwater repair concrete. • Sandblasting is an effective surface treatment method for repairing underwater concrete • structures. • Hydrostatic pressure had no significant effect on the adhesion of the repair concrete to the hammered substrate.
Source: openalex_inverted_index · Quality: baseline
Research context
OpenAlex topics: Concrete Corrosion and Durability · Innovative concrete reinforcement materials · Concrete and Cement Materials Research
SciVX discovery tags are terminology-based. OpenAlex topics are source-provided classifications.
References (45)
Show source-provided references
1. Repair of concretes in the underwater part of a water barrage
2. Development of aqua epoxy for repair and strengthening of RC structural members in underwater10.1016/j.conbuildmat.2009.04.002 ↗
3. Mechanisms and influential variables on the abrasion resistance hydraulic concrete10.1515/ntrev-2022-0488 ↗
4. Effect of various anti-washout admixtures on the properties of non-dispersible underwater concrete10.1016/j.conbuildmat.2020.118469 ↗
5. The role of nanoparticles in decreased washout of underwater concrete10.1016/j.conbuildmat.2019.01.118 ↗
6. Comparison of methods for evaluating bond strength between concrete substrate and repair materials10.1016/j.cemconres.2004.05.027 ↗
7. Concrete-to-concrete bond strength influence of the roughness of the substrate surface10.1016/j.conbuildmat.2004.04.023 ↗
8. Effects of interface roughness and interface adhesion on new-to-old concrete bonding10.1016/j.conbuildmat.2017.05.049 ↗
9. Effect of surface preparation and bonding agent on the concrete-to-concrete interface strength10.1016/j.conbuildmat.2012.07.028 ↗
10. Geopolymer as underwater concreting material: a review10.1016/j.conbuildmat.2021.123276 ↗
11. Effect of various anti-washout admixtures on the properties of non-dispersible underwater concrete
12. Factors affecting bond between new and old concrete
13. Recommendations for the repair, the lining or the strengthening of concrete slabs or pavements with bonded cement-based material overlays10.1617/s11527-012-9929-8 ↗
14. Characterization of substrate-to-overlay interface bond in concrete repairs: a review10.1016/j.conbuildmat.2023.130828 ↗
15. Bond strength of whitetoppings and bonded overlays constructed with self-compacting high-performance concrete10.1016/j.conbuildmat.2017.07.136 ↗
16. ASTM International, Standard Test Method for Tensile Strength of Concrete Surfaces and the Bond Strength or Tensile Strength of Concrete Repair and Overlay Materials by Direct Tension (Pull-off Method): Designation C1583/C1583M-13, ASTM International, West Conshohocken, PA, 2013.
17. The ‘pull-off’ partially destructive test for concrete
18. Bond characterization betweenconcrete substrate and repairing SFRC using pull-off testing10.1016/j.ijadhadh.2005.01.002 ↗
19. Evaluation of ratio between splitting tensile strength and compressive strength for concretes up to 120 MPa and its application in strength criterion
20. Estimation of bond strength envelopes for old-to-new concrete interfaces based on a cylinder splitting test10.1016/j.conbuildmat.2010.09.032 ↗
21. Influence of anti washout admixtures and coarse aggregate types on self-flowing underwater concrete properties
22. Strength development and pore size distribution of cement paste cured with high hydrostatic pressure10.1016/0008-8846(84)90048-6 ↗
23. Clayton N. Concrete strength loss from water pressurization, in: Proceedings of marine concrete ‘86, international conference on concrete in the marine environment, The Concrete Society, London, 1986, p. 177–86.
24. The mix ratio study of self-stressed anti-washout underwater concrete used in nondrainage strengthening10.3390/ma12020324 ↗
25. Behaviour of concrete affected by sea-water under high pressure10.1007/BF02472865 ↗
26. Correlation between concrete-to-concrete bond strength and the roughness of the substrate surface10.1016/j.conbuildmat.2006.05.044 ↗
27. Strength development and pore size distribution of cement paste cured with hydrostatic pressure10.1016/0008-8846(84)90048-6 ↗
28. Clayton N. Concrete strength loss from water pressurization. In: Proceedings of marine concrete ‘86, international conference on concrete in the marine environment. The Concrete Society, London; 1986. p. 177–86.
29. Behaviour of concrete affected by seawater under high pressure10.1007/BF02472865 ↗
30. Horszczaruk E., Brzozowski P., Adamczewski G. Influence of hydrostatic pressure on compressive strength of self-consolidating underwater concrete. In: Proceedings of the Fifth North American conference on the design and use of self-consolidating concrete, Chicago, Illinois, USA; 2013. p. 8.10.17265/1934-7359/2014.12.009 ↗
31. Müller H.S. et al. Innovative Solutions for the Construction and the Repair of Hydraulic Structures Procedia Engineering 2013; 54: 22 – 38.10.1016/j.proeng.2013.03.004 ↗
32. Simulation of water pressure on washout of underwater concrete repair
33. Bond strength of underwater repair concretes under hydrostatic pressure10.1016/j.conbuildmat.2014.08.020 ↗
34. EN 12390-3. Testing hardened concrete – Part 3: Compressive strength of test specimens. European Committee for Standardization: Brussels, Belgium. 2019.
35. EN1766. Products and systems for the protection and repair of concrete structures - Test methods - Reference concretes for testing. European Committee for Standardization: Brussels, Belgium. 2017.
36. EN-1542. Products and systems for the protection and repair of concrete structures - Test methods - Measurement of bond strength by pull-off. European Committee for Standardization: Brussels, Belgium. 1999.
37. EN-1504-3. Products and systems for the protection and repair of concrete structures – Definitions, requirements, quality control and evaluation of conformity – Part 3: Structural and non-structural repair. European Committee for Standardization: Brussels, Belgium. 2005.
38. Better bonding of bridge deck overlays
39. Courard L., Schwall D., Garbacz A., Piotrowski T. Effect of concrete substrate texture on the adhesion properties of PCC repair mortar, Proc. of Inter. Symposium on Polymers in Concrete. ISPIC 2006, Guimaraes, Portugal (2-4 April 2006), 99–110.
40. Near-to-surface properties affecting bond strength in concrete repair10.1016/j.cemconcomp.2013.11.005 ↗
41. Experimental study of the effect of aggregate type on concrete strength and permeability
42. Comparison of methods for evaluating bond strength between concrete substrate and repair materials10.1016/j.cemconres.2004.05.027 ↗
43. A surface engineering approach applicable to concrete repair engineering
44. Combination of NDT techniques for site investigation of non-ballasted railway tracks10.1016/S0963-8695(01)00033-0 ↗
45. Influence of hydrostatic pressure on the effectiveness of repairing of underwater concrete s structures (in polish)