Strength Properties of Aalborg Clay

Kirsten Malte Iversen, Benjaminn Nordahl Nielsen, Anders Hust Augustesen

Research output: Book/ReportReportResearchpeer-review

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Abstract

In the northern part of Vendsyssel, Denmark, the deposits made in the late glacial time are formed by the sea. The deposits are named after two mussels: Yoldia clay and Saxicava sand. However, in the southern part of Vendsyssel and in the area of Aalborg the clay and sand deposits from the late glacial time are characterised by the absence of this mussel. These deposits are named Aalborg Clay and Aalborg Sand. In the city of Aalborg, a fill layer superposes Aalborg Clay. This layer is at some places found to be 6m thick. This fill layer does not provide sufficient bearing capacity, which has resulted in many damaged buildings in Aalborg. To provide sufficient bearing capacity it is therefore necessary either to remove the fill or to construct the building on piles. Both methods imply that the strength of Aalborg Clay is important for the construction. This paper evaluates the strength of Aalborg Clay by
use of triaxial tests from four different locations. Both the drained strength (c and ϕ) and the undrained strength (cu) are assessed through two different methods: one where the strength is assumed to vary with the effective stress and another where the strength is found to be constant.
Original languageEnglish
Place of PublicationAalborg
PublisherDepartment of Civil Engineering, Aalborg University
Number of pages14
Publication statusPublished - 2010
SeriesDCE Technical reports
Number92

Fingerprint

clay
fill
late glacial
bearing capacity
sand
triaxial test
effective stress
pile
method

Keywords

  • Yoldia Clay
  • Clay
  • Saxicava Sand
  • Sand
  • Aalborg Clay

Cite this

Iversen, K. M., Nielsen, B. N., & Augustesen, A. H. (2010). Strength Properties of Aalborg Clay. Aalborg: Department of Civil Engineering, Aalborg University. DCE Technical reports, No. 92
Iversen, Kirsten Malte ; Nielsen, Benjaminn Nordahl ; Augustesen, Anders Hust. / Strength Properties of Aalborg Clay. Aalborg : Department of Civil Engineering, Aalborg University, 2010. 14 p. (DCE Technical reports; No. 92).
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Iversen, KM, Nielsen, BN & Augustesen, AH 2010, Strength Properties of Aalborg Clay. DCE Technical reports, no. 92, Department of Civil Engineering, Aalborg University, Aalborg.

Strength Properties of Aalborg Clay. / Iversen, Kirsten Malte; Nielsen, Benjaminn Nordahl; Augustesen, Anders Hust.

Aalborg : Department of Civil Engineering, Aalborg University, 2010. 14 p. (DCE Technical reports; No. 92).

Research output: Book/ReportReportResearchpeer-review

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T1 - Strength Properties of Aalborg Clay

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AU - Nielsen, Benjaminn Nordahl

AU - Augustesen, Anders Hust

PY - 2010

Y1 - 2010

N2 - In the northern part of Vendsyssel, Denmark, the deposits made in the late glacial time are formed by the sea. The deposits are named after two mussels: Yoldia clay and Saxicava sand. However, in the southern part of Vendsyssel and in the area of Aalborg the clay and sand deposits from the late glacial time are characterised by the absence of this mussel. These deposits are named Aalborg Clay and Aalborg Sand. In the city of Aalborg, a fill layer superposes Aalborg Clay. This layer is at some places found to be 6m thick. This fill layer does not provide sufficient bearing capacity, which has resulted in many damaged buildings in Aalborg. To provide sufficient bearing capacity it is therefore necessary either to remove the fill or to construct the building on piles. Both methods imply that the strength of Aalborg Clay is important for the construction. This paper evaluates the strength of Aalborg Clay by use of triaxial tests from four different locations. Both the drained strength (c and ϕ) and the undrained strength (cu) are assessed through two different methods: one where the strength is assumed to vary with the effective stress and another where the strength is found to be constant.

AB - In the northern part of Vendsyssel, Denmark, the deposits made in the late glacial time are formed by the sea. The deposits are named after two mussels: Yoldia clay and Saxicava sand. However, in the southern part of Vendsyssel and in the area of Aalborg the clay and sand deposits from the late glacial time are characterised by the absence of this mussel. These deposits are named Aalborg Clay and Aalborg Sand. In the city of Aalborg, a fill layer superposes Aalborg Clay. This layer is at some places found to be 6m thick. This fill layer does not provide sufficient bearing capacity, which has resulted in many damaged buildings in Aalborg. To provide sufficient bearing capacity it is therefore necessary either to remove the fill or to construct the building on piles. Both methods imply that the strength of Aalborg Clay is important for the construction. This paper evaluates the strength of Aalborg Clay by use of triaxial tests from four different locations. Both the drained strength (c and ϕ) and the undrained strength (cu) are assessed through two different methods: one where the strength is assumed to vary with the effective stress and another where the strength is found to be constant.

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Iversen KM, Nielsen BN, Augustesen AH. Strength Properties of Aalborg Clay. Aalborg: Department of Civil Engineering, Aalborg University, 2010. 14 p. (DCE Technical reports; No. 92).