EVALUATION OF MASONRY GROUTING EFFECTIVENESS USING THERMOGRAPHY AND ULTRASONIC METHODS
DOI:
https://doi.org/10.14311/CEJ.2019.04.0041Keywords:
Masonry grouting, Non-destructive testing, Ultrasound, ThermographyAbstract
One of the frequently used methods of stabilization and reinforcement of historic masonry is grouting, especially grouting of cracks and voids in masonry structures. Determination of the properties of the injected structure, both in terms of physico-mechanical properties (with regard to the subsequent compatibility of the grouting mixture) and in terms of its condition and failures (cracks, voids, cavities), is a prerequisite for correct design and realization of reinforcement grouting. Minimization of interventions into the historic structure while performing surveys and the associated use of non-destructive diagnostic methods is one of the requirements for the remediation of listed buildings. Within the experimental research of reinforcement of historic masonry structures, the possibility of using thermography and ultrasound methods was evaluated and conditions and limitations for the use of these non-destructive methods were formulated.
Downloads
References
NAKI DG16P02M055 Development and Research into Materials, Procedures and Technologies for Restoration, Conservation and Strengthening of Historic Masonry Structures and Surfaces and Systems of Preventive Care of Historic and Heritage Buildings Threatened by Anthropogenic and Natural Risks, 2015-2020, lead researcher prof. Ing. Jiří Witzany. DrSc.
Uranjek M, Bosiljkov V, Zarnic R, Bokan-Bosiljkov V., 2012. In situ tests and seismic assessment of a stone-masonry building. Materials and Structures, vol. 45: 861–79
Binda L., Modena C., Baronio G., Abbaneo S., 1997, Repair and investigation techniques for stone masonry walls. Construction and Building Materials, vol. 11: 133–142
Binda L., Baronio G., Tiraboschi C., Tedeschi C., 2003. Experimental research for the choice of adequate materials for the reconstruction of the Cathedral of Noto. Construction and Building Materials, vol. 17: 629–639
Valluzzi M.R., 2005. Requirements for the choice of mortar and grouts for consolidation of three-leaf stone masonry walls, Pap. Present. Work. Repair Mortars Hist. Masonry. Delft Univ. Technol. Fac. Civ. Eng. Geosci. Delft; 26–28 January 2005
Bosiljkov V., Uranjek M., Zarnic R., Bokan-Bosiljkov V., 2010. An integrated diagnostic approach for the assessment of historic masonry structures. Journal of Cultural Heritage, vol. 11: 239–249
Da Porto F., Valluzzi M.R., Modena C., 2003. Use of sonic tomography for the diagnosis and the control of intervention in historic masonry buildings, Int. Symp.
Jorne, F., Henriques, F.M.A., Baltazar, L.G., 2014. Evaluation of consolidation of grout injection with ultrasonic tomography. Construction and Building Materials, vol. 66: 494-506
Jorne, F., Henriques, F.M.A., Baltazar, L.G., 2015. Evaluation of consolidation of different porous media with hydraulic lime grout injection. Journal of Cultural Heritage, vol. 16: 438-451
Almeida C., Guedes J.P., Arêde A., Costa C.Q., Costa A., 2012. Physical characterization and compression tests of one leaf stone masonry walls. Construction and Building Materials, vol. 30: 188–197
ČSN EN 12504-4 Testing concrete - Part 4: Determination of ultrasonic pulse velocity, UNMZ 2005, Prague
ČSN 73 1371 Non-destructive testing of concrete - Method of ultrasonic pulse testing of concrete, UNMZ 2011, Prague
ČSN EN 13791 Assessment of in-situ compressive strength in structures and precast concrete components, UNMZ 2007, Prague
Downloads
Published
How to Cite
Issue
Section
License
This work is licensed under a Creative Commons Attribution-NonCommercial 4.0 International License.
Authors who publish with this journal agree to the following terms:
- Authors retain copyright and grant the journal right of first publication with the work simultaneously licensed under a Creative Commons Attribution License that allows others to share the work with an acknowledgement of the work's authorship and initial publication in this journal.
- Authors are able to enter into separate, additional contractual arrangements for the non-exclusive distribution of the journal's published version of the work (e.g., post it to an institutional repository or publish it in a book), with an acknowledgement of its initial publication in this journal.
- Authors are permitted and encouraged to post their work online (e.g., in institutional repositories or on their website) prior to and during the submission process, as it can lead to productive exchanges, as well as earlier and greater citation of published work (See The Effect of Open Access).