The bolts were grouted in a sandstone sample using resin or cement grouts.
Isabelle Thenevin, Laura Blanco-Martín, Faouzi Hadj-Hassen, Jacques Schleifer, ZbigniewLubosik, Aleksander Wrana 2017, 'Laboratory pull-out tests on fully grouted rock bolts and cable bolts: Results andlessons learned', Journal of Rock Mechanics and Geotechnical Engineeringhttp://www.sciencedirect.com/science/article/pii/S167477551730001X. Retrieved from DOAJ CC BY 4.0 (https://creativecommons.org/licenses/by-sa/4.0/legalcode)
The 28-day compressive strength of grouts has been also determined.
José Marcos Ortega Álvarez, María Dolores Esteban Pérez, Raúl Rubén Rodríguez Escribano,José Luís Pastor Navarro, Isidro Sánchez Martín 2016, 'Microstructural Effects of Sulphate Attack in Sustainable Grouts for Micropiles',Materialshttp://www.mdpi.com/1996-1944/9/11/905. Retrieved from DOAJ CC BY 4.0 (https://creativecommons.org/licenses/by-sa/4.0/legalcode)
Thermal conductivity also improved up to 60% in the doped bentonitic grouts.
Marco Viccaro 2018, 'Doped bentonitic grouts for implementing performances of low-enthalpy geothermal systems',Geothermal Energyhttp://link.springer.com/article/10.1186/s40517-018-0090-7. Retrieved from DOAJ CC BY 4.0 (https://creativecommons.org/licenses/by-sa/4.0/legalcode)
The gaps between the angle steels and the slab were filled with epoxy resin grouts.
Wei-Ling Hsu, Chen-Chung Liu, Yan-Chyuan Shiau, Wen-Chin Lin 2019, 'Discussion on the Reinforcement of Reinforced Concrete Slab Structures', Sustainabilityhttps://www.mdpi.com/2071-1050/11/6/1756. Retrieved from DOAJ CC BY 4.0 (https://creativecommons.org/licenses/by-sa/4.0/legalcode)
Grouts have numerous applications including crack repair as maintenance in construction industries.
Shamsuddoha Md, Hüsken Götz, Schmidt Wolfram, Kühne Hans-Carsten, Baeßler Matthias 2019, 'Superplasticizer and Shrinkage Reducing Admixture Dosages for Microfine Cement inGrout Systems', MATEC Web of Conferenceshttps://www.matec-conferences.org/articles/matecconf/pdf/2019/27/matecconf_icbmm2018_01001.pdf. Retrieved from DOAJ CC BY 4.0 (https://creativecommons.org/licenses/by-sa/4.0/legalcode)
More compatible types of grouts can match cement grouts.
Mojmir Uranjek, Roko Žarnić, Violeta Bokan-Bosiljkov, Vlatko Bosiljkov 2014, 'Seismic resistance of stone masonry building and effect of grouting', Građevinarhttps://doi.org/10.14256/JCE.1031.2014. Retrieved from DOAJ CC BY 4.0 (https://creativecommons.org/licenses/by-sa/4.0/legalcode)
Mechanical strength test of the hardened grouts was analysed at 28 days.
Noureddine Mesboua, Khaled Benyounes, Abdelbaki Benmounah 2018, 'Study of the impact of bentonite on the physico-mechanical and flow properties ofcement grout', Cogent Engineeringhttp://dx.doi.org/10.1080/23311916.2018.1446252. Retrieved from DOAJ CC BY 4.0 (https://creativecommons.org/licenses/by-sa/4.0/legalcode)
For this, different grouts were prepared and tested by varying the water/sludge ratio.
Rayed Alyousef, Mohamed Amine Khadimallah, Chokri Soussi, Omrane Benjeddou, MalekJedidi 2018, 'Experimental and Theoretical Study of a New Technique for Mixing Self-Compacting Concretewith Marble Sludge Grout', Advances in Civil Engineeringhttp://dx.doi.org/10.1155/2018/3283451. Retrieved from DOAJ CC BY 4.0 (https://creativecommons.org/licenses/by-sa/4.0/legalcode)
To adjust water-retaining and rheologic parameters grouts are modified by additives.
Artem A. Kunitskikh 2015, 'Research and development of expansion agents for grouting mortars', Perm Journal of Petroleum and Mining Engineeringhttp://vestnik.pstu.ru/get/_res/fs/file.pdf/4911/Research+and+development+of+expansion+agents+for+grouting+mortarsfile.pdf. Retrieved from DOAJ CC BY 4.0 (https://creativecommons.org/licenses/by-sa/4.0/legalcode)
Fluidity and setting times of the grouts were assessed.
Adrián Duran, Jesús F. González-Sánchez, José M. Fernández, Rafael Sirera, ÍñigoNavarro-Blasco, José I. Alvarez 2018, 'Influence of Two Polymer-Based Superplasticizers (Poly-naphthalene Sulfonate, PNS,and Lignosulfonate, LS) on Compressive and Flexural Strength, Freeze-Thaw, and SulphateAttack Resistance of Lime-Metakaolin Grouts', Polymershttp://www.mdpi.com/2073-4360/10/8/824. Retrieved from DOAJ CC BY 4.0 (https://creativecommons.org/licenses/by-sa/4.0/legalcode)