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- Jacobsson, Arvid, 1935-
(författare)
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Clay-water interaction
- 1974
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Doktorsavhandling (övrigt vetenskapligt/konstnärligt)
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- Macsik, Josef, et al.
(författare)
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Leachability of V and Cr from LD-Slag/Portland cement stabilised sulphide soil
- 1996
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Ingår i: Waste Management. - 0956-053X .- 1879-2456. ; 16:8, s. 699-709
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Tidskriftsartikel (refereegranskat)abstract
- The objectives of this study were to improve the mechanical stability of a sulphide soil with additives of an industrial waste product (LD-Slag) and Portland Cement. The criterion of using LD-Slag was if it could be done in an environmentally proper way. Sequential Leaching Tests were performed on monolithic LD-Slag/Portland Cement stabilised sulphide soil samples in order to register the leachability and pollution potentials. Different pH and Eh conditions were established in these tests in order to control the leachability of Na, K, Ca and Mg, which are important during cementation processes inside as well as outside an inforced monolith, and the leachability of V, which is regarded as a pollutant. The contents of Cr and V of pure LD-Slag, monolithic samples and leachates were compared with Canadian and Finnish Maximum Containment Level standards. The investigation showed that acidic conditions will increase the leachability of V. An acidic environment will even change the physical properties of a monolith. However, acidic conditions are not likely to occur in an in-situ anaerobic sulphide soil.
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| 7. |
- Mascik, Josef, et al.
(författare)
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Stabilization of peat soils with air furnace blast slag and Portland Cement
- 1997
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Ingår i: Proceedings of the Thirteenth International Conference on Solid Waste Technology and Management.
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Konferensbidrag (refereegranskat)abstract
- Air Furnace Blast Slag (FB) (fraction 0-4 mm) and standard Portland Cement (PC) have been used to stabilize peat soil under field and laboratory conditions. Considering the inhomogeneity of a stabilized peat block it is necessary to improve a combination of different test methods to: (1) guide the selection of slag material for specific soils, (2) assure that the mechanical stability of the stabilized peat (Peat/Slag/PC) is efficient, (3) control the homogeneity of the stabilized peat and (4) assure that the chemical stability of the stabilized peat satisfies foundation and environmental requirements
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