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- W4385711034 abstract "It is known that with the same raw material composition, it is possible to obtain different structures of composite materials. So, for example, polymer concretes can be made using traditional technology and the method of phase-by-phase forming. At the same time, frame technology reduces material consumption without loss of strength properties and increases durability. Polymer composite materials of phase-forming by combining properties viscoelastic binder and rigid matrix. It has highly damping performance. The article considers the possibility of using the frame structure polymer composite material in road construction. The composition is also considered, the advantages are determined and a comparison with traditional materials is made. The shrinkage stresses of polymer concrete that occur during the polycondensation reaction of furan resin are quite large and can exceed the permissible ones, which leads to a violation of the monolithic nature of the structure due to the appearance of micro- and macrocracks. In this work, the kinetics of shrinkage within 28 days was studied. The composition of the frame polymer composite material includes the following components: furfural acetone monomer (FAM resin), benzosulfonic acid, granite crushed stone, andesite flour, quartz sand. Theshrinkage of phase-formed polymer concrete was measured on samples hardening under normal temperature-humidity conditions. The generally accepted technique was used, shrinkage deformations were installed along the axis of the sample on two opposite faces with a clock-type indicator with a division price of 0.001 mm. Also in the work is a diagram of the device for determining the deformations of the shrinkage of samples and the results of the study are given. Experimentally established the intensity of shrinkage, which manifests itself in the first three days of curing, in the future its change is insignificant and by the seventh day it fades. According to the test results, it was established that the linear shrinkage of frame polymer concretes is three times less than the shrinkage of polymer concretes with a conventional structure." @default.
- W4385711034 created "2023-08-10" @default.
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- W4385711034 date "2023-01-01" @default.
- W4385711034 modified "2023-09-25" @default.
- W4385711034 title "Shrinkage of frame polymer concretes in road construction" @default.
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- W4385711034 doi "https://doi.org/10.1051/e3sconf/202341001013" @default.
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