Porosity factors of fired brick based on technogenic raw materials

Authors

  • V. N. Derevianko department of Technology of building materials, products and structures, State Higher Educational Institution "Prydniprovska State Academy of Civil Engineering and Architecture", ul. Chernyshevskogo 24-a, 49600, Dnepropetrovsk, Ukraine, Ukraine
  • H. M. Hryshko department of operation of irrigation and drainage systems and construction technology, Dnepropetrovsk State Agrarian-Economic University, ul. Voroshilov 25, 49600, Dnepropetrovsk, Ukraine, Ukraine
  • L. O. Kushnerova department of Technology of building materials, products and structures, State Higher Educational Institution "Prydniprovska State Academy of Civil Engineering and Architecture", ul. Chernyshevskogo 24-a, 49600, Dnepropetrovsk, Ukraine, Ukraine
  • L. V. Moroz department of Technology of building materials, products and structures, State Higher Educational Institution "Prydniprovska State Academy of Civil Engineering and Architecture", ul. Chernyshevskogo 24-a, 49600, Dnepropetrovsk, Ukraine, Ukraine
  • A. I. Begun department of operation of irrigation and drainage systems and construction technology, Dnepropetrovsk State Agrarian-Economic University, ul. Voroshilov 25, 49600, Dnepropetrovsk, Ukraine, Ukraine

Keywords:

Porosity, Fired Brick, Loam, Wastes, Mineral Raw Materials, Safe Pores

Abstract

Purpose.  To obtain optimum porosity of fired brick through the modification with technogenic mineral systems. . Methodology.  A study of micro- and macroporosity was carried out in Germany through the use of a mercury porosimeter Pascal 140 and 440 Protec. Findings. Studies established that for obtaining a composition based on loam, ferrous wastes, AND sludge from

the  Central  Aeration  Station  (CAS)  safe  porosity  is  50,18 %  of  total  porosity.  For  fired  brick  based  on  wastes from  Volnogorsk Mining and Metallurgical Combine (VMMC), sludge from the CAS and ferrous wastes porosity is 78,11 %. Originality. It has been found that an increase in the content of better CAS sludge causes a decrease in the number of safe pores. For a ternary composition based on loam, sludge and ferrous wastes total porosity is 30 %. Complete substitution of loam with VMMC wastes, CAS sludge and ferrous wastes leads to a better safe porosity compared to a composition based on loamy raw materials. At reducing sludge content, i.e.  increasing  VMMC  waste  percentage  safe  porosity  increases.  Total  porosity  of  a  sample  fired  at  a  temperature  of  850 о С  is 25,61 %. Practical value.  Based on the conducted fired brick tests results, 100 and 200 grade bricks with frost resistance of 25 and 35 cycles have been obtained.

Author Biographies

V. N. Derevianko, department of Technology of building materials, products and structures, State Higher Educational Institution "Prydniprovska State Academy of Civil Engineering and Architecture", ul. Chernyshevskogo 24-a, 49600, Dnepropetrovsk, Ukraine

Dr. Sc. (Tech.), Prof.

H. M. Hryshko, department of operation of irrigation and drainage systems and construction technology, Dnepropetrovsk State Agrarian-Economic University, ul. Voroshilov 25, 49600, Dnepropetrovsk, Ukraine

Ph. D., Assoc. Prof.

L. O. Kushnerova, department of Technology of building materials, products and structures, State Higher Educational Institution "Prydniprovska State Academy of Civil Engineering and Architecture", ul. Chernyshevskogo 24-a, 49600, Dnepropetrovsk, Ukraine

Ph. D., Assoc. Prof.

L. V. Moroz, department of Technology of building materials, products and structures, State Higher Educational Institution "Prydniprovska State Academy of Civil Engineering and Architecture", ul. Chernyshevskogo 24-a, 49600, Dnepropetrovsk, Ukraine

Assoc. Prof.

A. I. Begun, department of operation of irrigation and drainage systems and construction technology, Dnepropetrovsk State Agrarian-Economic University, ul. Voroshilov 25, 49600, Dnepropetrovsk, Ukraine

Ph. D., Assoc. Prof.

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Published

2016-03-22

Issue

Section

Proceedings in memory of Starodubov