Experimental Research of Gypsum Concrete with Organic Filler

Abstract:

The article provides some information about gypsum concrete, its applications, and the advantage of using organic fillers compared to mineral ones. The optimal technology for the production of gypsum concrete mix was determined, and an economically attractive type of organic filler in the form of chopped corn stalks was established. The compressive strength of the resulting material was studied depending on the fraction of crushed stone used. Effective methods for combating shrinkage cracks at the stage of manufacturing prototypes have been identified, which allows increasing the bearing capacity of the samples by 2.5 times. The water resistance and water absorption of the material, as well as their effect on strength, were investigated. As a result of experimental studies, it was found that the optimal concrete compositions with filler fractions of 3-5 and 5-10 mm should be considered 1:1 and 1:1.5 by volume (binder: filler), which can provide sufficient compressive strength (13-23 MPa) for blocks and slabs of internal partitions and good water resistance (0.91-1.0), while having good sound-absorbing properties.

• Periodical: Materials Science Forum (Volume 1169)
• Pages: 127-135
• DOI: https://doi.org/10.4028/p-B9EUaj
• Online since: November 2025
• Authors: Oleksandr Horb*, Yurii Avramenko, Kateryna Omelchenko, Ihor Mashkov
• Keywords: Compressive Strength, Crack, Gypsum Concrete, Mechanical Parameters, Organic Filler, Physical, Softening, Water Absorption, Water Resistance

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