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Issue 14 (4) 2015 pp. 49–59

Wojciech Sas

APPLICATION OF RECYCLED CONCRETE AGGREGATE IN ROAD ENGINEERING

Keywords: Recycled Concrete Aggregate, CBR, Bearing capacity, moisture, compaction
Abstract: The development of road investments during past years results in an increasing demand for natural aggregates (NA) which x become a part of the road construction subbase in the form of an unbound mix. In order to decrease investment costs, the Construction and Demolition (C&D) materials, such as fly ash, steel slag or recycled concrete aggregates (RCA), were applied as a subbase fill. The advantage in using these materials, besides the reduction of costs, is a possibility of C&D material recycling and sustainable development, due to replacing the NA, which is a non-renewable source. Among many properties influencing the quality of road material, the California Bearing Ratio (CBR) is the one representing the mechanical properties of unbound mix. This article presents the results of CBR tests on RCA with various moisture and compaction properties, in order to characterise the CBR bearing capacity. The results were then used to form conclusions about CBR tests on RCA. The conclusion can be drown that the C&D materials can be successfully applied in road engineering when more strict regulation will be applied.
pub/14_4_49.pdf Full text available in in Adobe Acrobat format:
http://www.architectura.actapol.net/volume14/issue4/14_4_49.pdf

For citation:

MLA Sas, Wojciech. "APPLICATION OF RECYCLED CONCRETE AGGREGATE IN ROAD ENGINEERING." Acta Sci.Pol. Arch. 14.4 (2015): 49–59.
APA (2015). . Acta Sci.Pol. Arch. 14 (4), 49–59
ISO 690 SAS, Wojciech. APPLICATION OF RECYCLED CONCRETE AGGREGATE IN ROAD ENGINEERING. Acta Sci.Pol. Arch., 2015, 14.4: 49–59.
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Streszczenie w języku polskim:
http://www.architectura.actapol.net/tom14/zeszyt4/abstrakt-49.html