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The Application of Granulated Expanded Glass Aggregate with Cement Grout as an Alternative Solution for Sub-Grade and Frost-Protection Sub-Base Layer in Road Construction
Abstract
The purpose of the research was to assess the possibility of using granulated expanded glass aggregate (GEGA) with cement grout as a replacement of a sub-grade and frost-protection layer, made of natural fine aggregates (NATU), stabilized with a hydraulic binder. Instead of traditional parts of the road construction, such as the sub-grade and frost-protection layer with the application of fine aggregate, stabilized with cement, the authors propose only one layer, made of lightweight water-permeable material, containing GEGA with a grain size from 8 to 11.2 mm. In the article the authors present the physical properties of the materials, applied for the road layers, the properties of the fine aggregate, stabilized with cement, and those of the cement composite with GEGA as an alternative solution. The laboratory test results of fine aggregates, stabilized with cement and of cement composites with GEGA, are presented. Porosity, volume density, compressive strength, and frost resistance are being researched. The results of those tests are meant to play an essential role in designing the thickness of road layers. Dierent types of pavement structure (asphalt and concrete) and dierent values of road load are being considered in the given work. The paper is concluded with considerations on an innovative solution, involving the use of ecological materials.
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- Category:
- Articles
- Type:
- artykuły w czasopismach
- Published in:
-
Materials
no. 12,
pages 1 - 19,
ISSN: 1996-1944 - Language:
- English
- Publication year:
- 2019
- Bibliographic description:
- Kurpińska M., Grzyl B., Pszczoła M., Kristowski A.: The Application of Granulated Expanded Glass Aggregate with Cement Grout as an Alternative Solution for Sub-Grade and Frost-Protection Sub-Base Layer in Road Construction// Materials -Vol. 12,iss. 21 (2019), s.1-19
- DOI:
- Digital Object Identifier (open in new tab) 10.3390/ma12213528
- Verified by:
- Gdańsk University of Technology
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