AbstractAbout AuthorsReferences
Fly ashes and ash-slag mixes are large-tonnage waste of many industrial branches and the need for using them for producing wall material is an important problem. The production of silica brick and other pressed wall materials on the scale of raw material usage refers to large-tonnage production and is able to use ash waste as raw materials. In the technology of pressing, there is a need for more dense packing of raw materials from sand of different fractions, rocks or production waste of different sizes. For using micropowders of ash waste, it is necessary to know a granulometric composition of ash powders. On this basis, it is possible to determine the composition of the mix and a frame-formation grain. A program of inspection of fine-disperse powders of ash waste on the granulometric composition and determination of the frame-formation grain size in the composition is presented. On the basis of this study, a series of enlarging additives on the example of ash and ash-slag waste has been investigated. The results obtained make it possible to conduct the mathematic simulation by the example of sand mixes for providing the density of packing of pressed samples and selection of a binder.
G.V. KUZNETSOVA, Engineer (This email address is being protected from spambots. You need JavaScript enabled to view it.)
Kazan State University of Architecture and Engineering (1, Zelenaya Street, 420043, Kazan, Russian Federation)
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2. Kalashnikov V.I. Concrete: macro-, nano- and pikomasshtabny input products. Real nanotechnologies of concrete. Days of modern concrete. From the theory to practice: collection of reports of conference. Zaporozh’e. 2012, pp. 38–50. (In Russian).
3. Kuznetsova G.V. A Lime Binder for Wall Silicate Products from Chippings of Rock Crushing. Stroitel’nye Materialy [Construction Materials]. 2014. No. 12, pp. 34–37. (In Russian).
4. Kuznetsova G.V., Morozova N.N. Problems of Replacement of Traditional Technology of Silicate Brick with Preparation of a Lime- Siliceous Binder by Direct Technology. Stroitel’nye Materialy [Construction Materials]. 2013. No. 9, pp. 14–18. (In Russian).
5. Kalashnikov V.I. What is the Powder-Activated Concrete of New Generation. Stroitel’nye Materialy [Construction Materials]. 2012. No. 10, pp. 70–71. (In Russian).
6. Bozhenov P.I. Tekhnologiya avtoklavnykh materialov [Technology of autoclave materials]. Leningrad: Stroyizdat. 1978. 368 p.
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