Factories And Plants

JUNE 2021

The future of russian concrete roads

EUROCEMENT Group knows how to build high-quality and durable roads that will improve the environmental situation in Russia and help Motorists use less fuel. Sergei Demakov, Vice President for Innovation and Technical Development of EUROCEMENT Group is elaborating on the topic.
Sergei Demakov
– Sergey, what kind of road construction are you talking about?

– We believe that it is possible to significantly change the ecological situation and simultaneously develop the road network, if we use the advantages of concrete roads made with composite binders based on technogenic raw materials, which are the metallurgical, chemical and energy plants' waste.

– How?

– Let's start with the fact that the area occupied by waste amounts to hundreds of thousands of hectares. The annual volume of emitted industrial waste is comparable to the annual volume of cement production in Russia. For example, now fly ash, or pulverized fuel ash, is barely utilized, it pollutes the Thermal power plant's surrounding area. One TTP produces about 150 thousand tons of ash per year. Imagine what the volume is across the country.The cement industry can use these by-products to create road building materials. The fundamental difference is that producing road pavement materials we refuse to use non-renewable natural resources, and instead use existing soils simply strengthening them with composite binders using industrial waste. This way we obtain high-quality slag-alkali and geopolymer concretes, which are excellent for paving roads.
CONCRETE ROADS ARE ACTIVELY BEING BUILT IN GERMANY, BELARUS, KAZAKHSTAN AND CHINA.
– Does that mean the TPP surrounding area can be cleaned up and reclaimed?

– Yes, and not only that. If you use fly ash as a concrete additive, you can save on other resources. For example, we save 1.6 tons of limestone per ton of ash. We are also decrease CO₂ emissions by 0.9 tons and contribute to the oxide and dust emissions reduction.

– Do concrete roads help to save fuel?

– Yes, Western countries' experience shows that up to 6% of fuel can be saved through traveling on rigid foundation roads. This significantly affects the degree of gas contamination of the air. For Moscow, the level of CO₂ from car emissions is now the main environmental problem, and we are ready to engage in solving it.
ONE OF THE CONCRETE ROAD ADVANTAGES IS THE SHAPE STABILITY: THEY DO NOT DEFORM DUE TO TEMPERATURE AND HEAVY LOADS. DUE TO THE GOOD GRIP OF THE TIRES, THE FRICTION COEFFICIENT UPON THE WHEELS CONTACT WITH THE SURFACE IS REDUCED.
– Please tell us about the Eurocement Group's participation in the national Quality and Safe Roads project.

– Our cement has proven to be in compliance with the technical requirements of the Customs Union regulations (TR TS 014/2011 "Safety of highways"). International certification gave us the opportunity to build interstate concrete roads so that the driver would not feel the difference when crossing a union states border.

We have also signed a strategic partnership agreement with the Rosavtodor State Corporation. Now, together with Rosavtodor and the Ministry of Transport, we are working out an action plan that will make it possible to use composite binders to strengthen and stabilize soils during road construction. In parallel, we are already testing our road surface built with composite binders on the M4 Don highway section. According to preliminary estimates, our material has proven its characteristics.

If we achieve this goal, there will be many more rigid foundation roads in Russia. This will help to improve the environmental situation both in terms of the technogenic raw materials use, and pollution reduction.
E-mail: pressprom@mos.ru
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