AbstractAbout AuthorsReferences
The impact of edges of «semicircular and thinned from the face side» (PLUK), «modified and thinned from the face side» (UK Pro), and «thinned from the face side» types on the strength of joints of gypsum building slabs at different variants of joints execution – with the use of two types of putty as well as without use and with the use of reinforcing tape in the course of filling – are considered. Methods and criterion of the assessment of joints strength of gypsum building slabs have been developed and substantiated. It is proposed to consider the «deflection at the time of formation of the first crack» parameter, the value of which should be not less than 1 mm for 350 mm of the slab as a main criterion of resistance of the filled butt joint of gypsum building slabs to crack formation. It is established that the use of gypsum building slabs with the PLUK edge makes it possible to obtain the joint with the highest strength, and the use of the reinforcing tape gives an increased reserve of strength to the butt joint.
A.P. PUSTOVGAR1, Candidate of Sciences (Engineering)
T.N. SKVORTSOV2, Master
S.V. NEFEDOV1, Engineer
I.S. IVANOVA1, Master (This email address is being protected from spambots. You need JavaScript enabled to view it.)
T.N. SKVORTSOV2, Master
S.V. NEFEDOV1, Engineer
I.S. IVANOVA1, Master (This email address is being protected from spambots. You need JavaScript enabled to view it.)
1 Moscow State University of Civil Engineering (26, Yaroslavskoye shosse, 129337, Moscow, Russian Federation)
2 OOO «KNAUF GYPSUM» (139, Tsentralnaya Street, 143400, Krasnogorsk, Moscow Oblast, Russian Federation)
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1. Pustovgar A.P. Experience in application of gypsum binders in construction. Stroitel’nye materialy [Construction Materials]. 2008. No. 3, pp. 81–85. (In Russian).
2. Karni J., Karni E. Gypsum in construction: origin and properties. Materials and Structures. 1995. Vol. 28, рр. 92–100.
3. Holcroft N.,Shea А. Heat of Sorption and Moisture Buffering Properties of Building Insulation Materials. InCIEC 2013 International Civil and Infrastructure Engineering Conference. Kuching, Malaysia. 2014, рр. 649–661.
4. Пустовгар А.П., Гагулаев А.В. Теплофизические характеристики ограждающих конструкций из модифицированного гипсопоробетона // Строительные материалы. 2008. № 8. С. 34–37.
4. Pustovgar A.P., Gagulaev A.V. Thermophysical parameters of enclosing structures with modified foam gypsym concrete. Stroitel’nye materialy [Construction Materials]. 2008. No. 8, pp. 34–37. (In Russian).
5. Gypsum Association 2015. Using Gypsum Board for Walls and Ceilings. http://www.gypsum.org/technical/using-gypsum-board-for-walls-and-ceilings/using-gypsum-board-for-walls-and-ceilings (date of access 27.04.2015).
6. Burgard D. What’s the Difference: Paper and Fiberglass Mesh Drywall Tape. Fine Homebuilding. 2012. Issue 232, рр. 36.
7. Arsenault P.J. Acoustical Control with Gypsum Board // Architectural Record's Continuing Education Centre. 2012. http://continuingeducation.construction.com/article.php?L=140&C=958 (date of access 27.04.2015).
8. Kolarkar P., Mahendran M. Experimental studies of gypsum plasterboards and composite panels under fire conditions. Fire and Materials. 2014. Vol. 38, рр. 13–35.
9. Frangi A., Schleifer V., Fontana M., Hugi E. Experimental and numerical analysis of gypsum plasterboards in fire. Fire Technology. 2010. Vol. 46, рр. 149–167.
For citation: Pustovgar A.P., Skvortsov T.N., Nefedov S.V., Ivanova I.S. Assessment of Impact of Various Types of Edges on Strength of Joints of Gypsum Building Slabs. Stroitel’nye Materialy [Construction Materials]. 2015. No. 7, pp. 64-67. DOI: https://doi.org/10.31659/0585-430X-2015-727-7-64-67