Methods of Investigating and Quality Assessing Structure of Concretes with Combined Aggregates

Abstract:

Concrete on Portland cement and cement modified with expanding additives were studied. The authors present the results of study of the modified concrete with combined aggregate. Combined aggregate is a composition of natural granite and limestone crushed stone mixed with crushed concrete. Structure and properties of concrete with combined aggregate is insufficiently studied, which limits their use in civil engineering Recycling of building materials allows to expand the raw material base, to solve the problems of resource conservation and environmental protection. The regularities and causes of changes (reduction) indicators of the quality of concrete with combined aggregate. Studying of properties and laws of formation of structure of concrete at the same time is a method of control of their production. The valuation of properties of concrete with combined aggregates will allow to use them along with traditional concrete.

• Periodical: Materials Science Forum (Volume 931)
• Pages: 618-623
• DOI: https://doi.org/10.4028/www.scientific.net/MSF.931.618
• Online since: September 2018
• Authors: Elena A. Shlyakhova*, Inna O. Egorochkina, Irina A. Serebryanaya, Andrey Matrosov
• Keywords: Combined Aggregates, Composite Materials, Durability, Recycling, Structure, Transition Zone

References

[1] O. A. Astrahankina,Structural lightweight concretes with hybrid aggregates. Abstract of Dr.Tech.Sc.: 05.23.05, St. Petersburg, (1999).

[2] S.-A. Yu. Murtazaev, M.Sh Salmanova, M.I. Gishlarkaeva, Structure and properties of concrete aggregate from concrete waste, ESJ Concrete and reinforced concret. 5 (2008) 25-28.

[3] S. M. Tolchin, Fine-grained concrete on the combined aggregates from industrial waste. Abstract of Dr.Tech.Sc.: 05.23.05, Odessa, (1997).

[4] Sh. Yehia, K. Helal, A. Abusharkh, A. Zaher, Strength and Durability Evaluation of Recycled Aggregate Concrete, International Journal of Concrete Structures and Materials. 2 (2015) 219–239. DOI 10.1007/s40069-015-0100-0. (In Russian).

DOI: 10.1007/s40069-015-0100-0

[5] I.O. Egorochkina, Structure and properties of concretes with compensated shrinkage on a reused aggregates. Abstract of Dr.Tech.Sc.: 05.23.05, Rostov-on-Don, (1998).

[6] I. A. Efremova, Concrete with combined aggregates on the Portland cement with expanding additives. Abstract of Dr.Tech.Sc.: 05.23.05, Rostov-on-Don, (1997).

[7] I. O. Egorochkina, Recommendations on the selection of the composition of concretes on reused aggregates with multimodule content. Vestnik of the South Ural State University. 14 (2014) 49-53.

[8] G. A. Ayrapetov, G. V. Nesvetaev, I.O. Egorochkina, Structure and properties of concrete with compensated shrinkage in the reused aggregates, ESJ Concrete and reinforced concrete. 2 (1998) 25. (In Russian).

[9] A. Cherpakov, I. Egorochkina, E. Shlyakhova, A. Kharitonov, A. Zarovny and S.Dobrohodskaya, Using technique vibration diagnostics for assessing the quality of power transmission line supports repairs, MATEC Web of Conferences. 106 (2017) 04009.

DOI: 10.1051/matecconf/201710604009

[10] I. O. Egorochkina, D. Yu. Kucherenko, V. K. Sogomonov, A. I. Kiryukhin, Optimization of working parameters of the jaw crusher to improve the quality of aggregates from crushed concrete, Engineering Journal of Don. 4(47) (2017).

[11] I.A. Serebryanaya, I.O. Egorochkinа, Methods and means of research of structure surface area in concrete with mixed aggregates, in Construction and Architecture Materials of scientific-practical. conf. (2017) 85-90. (In Russian).

[12] E.A. Shlyakhova, A.F. Akopyan, A.V. Akopyan, The application of the method of X-ray diffraction to study the properties of the modified slag-alkaline binder, Engineering Journal of Don. 4 (part 2) (2012).

[13] E. A. Shlyakhova, A. F. Akopyan, A.V. Akopyan, The application of the method of differential thermal analysis to study the properties of the modified slag-alkaline binder, Engineering Journal of Don. 4 (part 2) (2012).