Testing of long-term geotechnical parameters of by-products in laboratory

Markku Juvankoski, Rainer Laaksonen, Markku Tammirinne

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

Abstract

The properties of four by-products were determined in this research project.These by-products were cement stabilised fly ash, blast-furnace slag sand, mixture of fly ash and de-sulphuration product and cement stabilised wood or peat ash.The properties considered critical in relation to long-term stability were determined in the laboratory.The results obtained were compared against the requirements set on by-products used in road construction.One of these tested materials has also been used in a test section built before these tests were started.All materials tested are in principle capable of producing adequate compressive strength and stiffness to be used in road construction. In practice some problems may arise especially concerning the choice of parameters for design due to poor environmental durability.In other words stabilised or self-strengthening materials do not necessarily last as intact the repeated freeze thaw cycles.Although the stiffness of stabilised material decreases significantly do to structural failure it may still possess reasonable large stiffness to be used in sub-base of a road structure.
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
Pages63-72
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

Byproducts
Road construction
Stiffness
Testing
Ashes
Fly ash
Cements
Peat
Slags
Compressive strength
Wood
Durability
Sand

Cite this

Juvankoski, M., Laaksonen, R., & Tammirinne, M. (2000). Testing of long-term geotechnical parameters of by-products in laboratory. In International Conference on Practical Applications in Environmental Geotechnology: ECOGEO 2000 (pp. 63-72). Espoo: VTT Technical Research Centre of Finland. VTT Symposium, No. 204
Juvankoski, Markku ; Laaksonen, Rainer ; Tammirinne, Markku. / Testing of long-term geotechnical parameters of by-products in laboratory. International Conference on Practical Applications in Environmental Geotechnology: ECOGEO 2000. Espoo : VTT Technical Research Centre of Finland, 2000. pp. 63-72 (VTT Symposium; No. 204).
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abstract = "The properties of four by-products were determined in this research project.These by-products were cement stabilised fly ash, blast-furnace slag sand, mixture of fly ash and de-sulphuration product and cement stabilised wood or peat ash.The properties considered critical in relation to long-term stability were determined in the laboratory.The results obtained were compared against the requirements set on by-products used in road construction.One of these tested materials has also been used in a test section built before these tests were started.All materials tested are in principle capable of producing adequate compressive strength and stiffness to be used in road construction. In practice some problems may arise especially concerning the choice of parameters for design due to poor environmental durability.In other words stabilised or self-strengthening materials do not necessarily last as intact the repeated freeze thaw cycles.Although the stiffness of stabilised material decreases significantly do to structural failure it may still possess reasonable large stiffness to be used in sub-base of a road structure.",
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Juvankoski, M, Laaksonen, R & Tammirinne, M 2000, Testing of long-term geotechnical parameters of by-products in laboratory. in International Conference on Practical Applications in Environmental Geotechnology: ECOGEO 2000. VTT Technical Research Centre of Finland, Espoo, VTT Symposium, no. 204, pp. 63-72, International Conference on Practical Applications in Environmental Geotechnology, Helsinki, Finland, 4/09/00.

Testing of long-term geotechnical parameters of by-products in laboratory. / Juvankoski, Markku; Laaksonen, Rainer; Tammirinne, Markku.

International Conference on Practical Applications in Environmental Geotechnology: ECOGEO 2000. Espoo : VTT Technical Research Centre of Finland, 2000. p. 63-72 (VTT Symposium; No. 204).

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

TY - GEN

T1 - Testing of long-term geotechnical parameters of by-products in laboratory

AU - Juvankoski, Markku

AU - Laaksonen, Rainer

AU - Tammirinne, Markku

PY - 2000

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N2 - The properties of four by-products were determined in this research project.These by-products were cement stabilised fly ash, blast-furnace slag sand, mixture of fly ash and de-sulphuration product and cement stabilised wood or peat ash.The properties considered critical in relation to long-term stability were determined in the laboratory.The results obtained were compared against the requirements set on by-products used in road construction.One of these tested materials has also been used in a test section built before these tests were started.All materials tested are in principle capable of producing adequate compressive strength and stiffness to be used in road construction. In practice some problems may arise especially concerning the choice of parameters for design due to poor environmental durability.In other words stabilised or self-strengthening materials do not necessarily last as intact the repeated freeze thaw cycles.Although the stiffness of stabilised material decreases significantly do to structural failure it may still possess reasonable large stiffness to be used in sub-base of a road structure.

AB - The properties of four by-products were determined in this research project.These by-products were cement stabilised fly ash, blast-furnace slag sand, mixture of fly ash and de-sulphuration product and cement stabilised wood or peat ash.The properties considered critical in relation to long-term stability were determined in the laboratory.The results obtained were compared against the requirements set on by-products used in road construction.One of these tested materials has also been used in a test section built before these tests were started.All materials tested are in principle capable of producing adequate compressive strength and stiffness to be used in road construction. In practice some problems may arise especially concerning the choice of parameters for design due to poor environmental durability.In other words stabilised or self-strengthening materials do not necessarily last as intact the repeated freeze thaw cycles.Although the stiffness of stabilised material decreases significantly do to structural failure it may still possess reasonable large stiffness to be used in sub-base of a road structure.

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T3 - VTT Symposium

SP - 63

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BT - International Conference on Practical Applications in Environmental Geotechnology

PB - VTT Technical Research Centre of Finland

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Juvankoski M, Laaksonen R, Tammirinne M. Testing of long-term geotechnical parameters of by-products in laboratory. In International Conference on Practical Applications in Environmental Geotechnology: ECOGEO 2000. Espoo: VTT Technical Research Centre of Finland. 2000. p. 63-72. (VTT Symposium; No. 204).