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E45 and the Norway / Vänern Rail Route expansion - some experinces from floating lime-cement columns
Statens geotekniska institut.
2009 (Engelska)Ingår i: Geotekniska pärlor: Grundläggningsdagen 2009, Stockholm, 5 mars, 2009, Stockholm: Svenska Geotekniska Föreningen, SGF , 2009, s. 25-41Konferensbidrag, Publicerat paper (Refereegranskat)
Abstract [en]

In western part of Sweden, between Göteborg and Trollhättan, 80 km of a new motorway and a new high speed railway is constructed on soft, highplastic clay. In order to reduce the settlements and improve the stability conditions of the embankments, lime-cement columns will be used extensively, i.e. some 9 million linear metres of columns will be installed. Already during the feasibility studies, in year 2000, a large amount of testcolumns were installed in order to study their geo mechanical properties (strength, stiffness, permeability). Furthermore 3 full-scale test embankments, founded on lime-cement columns not reaching firm bottom were constructed in year 2001. The test embankments were considered necessary due to lack of reliable design methods for estimating consolidation settlements of embankments founded on floating columns. The embankments were heavily instrumented in order to study the settlements of the embankments. Follow-up an evaluation of the test embankments has meant that significant experiences been received about the function of lime-cement columns, which among other things was possible to use during the feasibility studies of the ongoing expansion.

Ort, förlag, år, upplaga, sidor
Stockholm: Svenska Geotekniska Föreningen, SGF , 2009. s. 25-41
Nyckelord [en]
Soft clay, Embankment, Deep mixing column, Soil stabilization, Pile, Lime, Cement, Settlement, Time factor, Layered system, Model, Field test, Nödinge, Sweden, Conference, Stockholm, 2009, English
Nationell ämneskategori
Geoteknik
Identifikatorer
URN: urn:nbn:se:swedgeo:diva-872Lokalt ID: 000070232OAI: oai:DiVA.org:swedgeo-872DiVA, id: diva2:1365194
Konferens
Grundläggningsdagen 2009, Stockholm, 5 mars, 2009
Tillgänglig från: 2019-10-23 Skapad: 2019-10-23 Senast uppdaterad: 2019-10-23

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