ALT-MAT-project, Finnish national report

Leena Korkiala-Tanttu, Hans Rathmayer

Research output: Chapter in Book/Report/Conference proceedingConference article in proceedingsScientificpeer-review

Abstract

The environmental aspects strongly necessitate more extensive utilisation of the alternative materials.This utilisation needs more information of the mechanical and leaching properties, functional requirements and long term stability of the materials.The European ALT-MAT project defines methods by which the suitability of alternative materials for use in road construction can be evaluated under appropriate climatic conditions.The Finnish national work in ALT-MAT project concentrated on the development of the climate chamber test.The purpose of these test was to simulate the field conditions of road structures (miniembankment) without a pavement.The test consisted of 20 wetting-drying and freezing-thawing cycles.Miniembankments were wetted with salt solution.The leaching of contaminants due to these accelerated climatic cycles and salt solution was studied.The tested materials were two slags: ferrochrome and blast furnace slag.The test results exhibited that the leached amounts of many metals were very low, usually below the limit of detection.These results were verified with other leaching test results.All test data showed that the leaching of contaminants for both slags is very moderate.The climate chamber test proved to be a good, but expensive method to test the environmental suitability of alternative materials.
Original languageEnglish
Title of host publicationInternational Conference on Practical Applications in Environmental Geotechnology
Subtitle of host publicationECOGEO 2000
Place of PublicationEspoo
PublisherVTT Technical Research Centre of Finland
Pages81-90
ISBN (Electronic)951-38-5702-6
ISBN (Print)951-38-5701-8
Publication statusPublished - 2000
MoE publication typeA4 Article in a conference publication
EventInternational Conference on Practical Applications in Environmental Geotechnology: ECOGEO 2000 - Helsinki, Finland
Duration: 4 Sep 20006 Sep 2000

Publication series

SeriesVTT Symposium
Number204
ISSN0357-9387

Conference

ConferenceInternational Conference on Practical Applications in Environmental Geotechnology
Abbreviated titleECOGEO 2000
CountryFinland
CityHelsinki
Period4/09/006/09/00

Fingerprint

slag
leaching
salt
road construction
test
project
pollutant
climate
thawing
pavement
wetting
freezing
road
metal
alternative material
method
material

Cite this

Korkiala-Tanttu, L., & Rathmayer, H. (2000). ALT-MAT-project, Finnish national report. In International Conference on Practical Applications in Environmental Geotechnology: ECOGEO 2000 (pp. 81-90). Espoo: VTT Technical Research Centre of Finland. VTT Symposium, No. 204
Korkiala-Tanttu, Leena ; Rathmayer, Hans. / ALT-MAT-project, Finnish national report. International Conference on Practical Applications in Environmental Geotechnology: ECOGEO 2000. Espoo : VTT Technical Research Centre of Finland, 2000. pp. 81-90 (VTT Symposium; No. 204).
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Korkiala-Tanttu, L & Rathmayer, H 2000, ALT-MAT-project, Finnish national report. in International Conference on Practical Applications in Environmental Geotechnology: ECOGEO 2000. VTT Technical Research Centre of Finland, Espoo, VTT Symposium, no. 204, pp. 81-90, International Conference on Practical Applications in Environmental Geotechnology, Helsinki, Finland, 4/09/00.

ALT-MAT-project, Finnish national report. / Korkiala-Tanttu, Leena; Rathmayer, Hans.

International Conference on Practical Applications in Environmental Geotechnology: ECOGEO 2000. Espoo : VTT Technical Research Centre of Finland, 2000. p. 81-90 (VTT Symposium; No. 204).

Research output: Chapter in Book/Report/Conference proceedingConference article in proceedingsScientificpeer-review

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N2 - The environmental aspects strongly necessitate more extensive utilisation of the alternative materials.This utilisation needs more information of the mechanical and leaching properties, functional requirements and long term stability of the materials.The European ALT-MAT project defines methods by which the suitability of alternative materials for use in road construction can be evaluated under appropriate climatic conditions.The Finnish national work in ALT-MAT project concentrated on the development of the climate chamber test.The purpose of these test was to simulate the field conditions of road structures (miniembankment) without a pavement.The test consisted of 20 wetting-drying and freezing-thawing cycles.Miniembankments were wetted with salt solution.The leaching of contaminants due to these accelerated climatic cycles and salt solution was studied.The tested materials were two slags: ferrochrome and blast furnace slag.The test results exhibited that the leached amounts of many metals were very low, usually below the limit of detection.These results were verified with other leaching test results.All test data showed that the leaching of contaminants for both slags is very moderate.The climate chamber test proved to be a good, but expensive method to test the environmental suitability of alternative materials.

AB - The environmental aspects strongly necessitate more extensive utilisation of the alternative materials.This utilisation needs more information of the mechanical and leaching properties, functional requirements and long term stability of the materials.The European ALT-MAT project defines methods by which the suitability of alternative materials for use in road construction can be evaluated under appropriate climatic conditions.The Finnish national work in ALT-MAT project concentrated on the development of the climate chamber test.The purpose of these test was to simulate the field conditions of road structures (miniembankment) without a pavement.The test consisted of 20 wetting-drying and freezing-thawing cycles.Miniembankments were wetted with salt solution.The leaching of contaminants due to these accelerated climatic cycles and salt solution was studied.The tested materials were two slags: ferrochrome and blast furnace slag.The test results exhibited that the leached amounts of many metals were very low, usually below the limit of detection.These results were verified with other leaching test results.All test data showed that the leaching of contaminants for both slags is very moderate.The climate chamber test proved to be a good, but expensive method to test the environmental suitability of alternative materials.

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Korkiala-Tanttu L, Rathmayer H. ALT-MAT-project, Finnish national report. In International Conference on Practical Applications in Environmental Geotechnology: ECOGEO 2000. Espoo: VTT Technical Research Centre of Finland. 2000. p. 81-90. (VTT Symposium; No. 204).