Strength and deformation of biologically cemented sandstone

Leon van Paassen, M. C M Van Loosdrecht, M. Pieron, A. Mulder, D. J M Ngan-Tillard, T. J M Van Der Linden

Research output: Chapter in Book/Report/Conference proceedingConference contribution

20 Citations (Scopus)

Abstract

A new method for ground improvement is being developed: BioGrout, a method based on microbial-induced carbonate precipitation. The feasibility of this method was tested in a field scale experiment: within 12 days 40 m 3 of sand was biologically cemented stretching over a length of 5 m between three injection and three extraction points. In this paper we present the mechanical characteristics of the biologically cemented sand, based on strength tests on the cores collected from the field scale experiment. The results are compared with other natural and artificially cemented sandstones. Correlations could be established between CaCO 3 content, dry density and strength at several confining stresses. From the strength tests the parameters describing the failure criterion-cohesion and friction angle- could be derived, which enable engineering design.

Original languageEnglish (US)
Title of host publicationRock Engineering in Difficult Ground Conditions - Soft Rocks and Karst - Proceedings of the Regional Symposium of the International Society for Rock Mechanics, EUROCK 2009
Pages405-410
Number of pages6
StatePublished - Dec 1 2010
Externally publishedYes
EventRegional Symposium of the International Society for Rock Mechanics: Rock Engineering in Difficult Ground Conditions - Soft Rocks and Karst, EUROCK 2009 - Dubrovnik, Cavtat, Croatia
Duration: Oct 29 2009Oct 31 2009

Other

OtherRegional Symposium of the International Society for Rock Mechanics: Rock Engineering in Difficult Ground Conditions - Soft Rocks and Karst, EUROCK 2009
CountryCroatia
CityDubrovnik, Cavtat
Period10/29/0910/31/09

Fingerprint

Sandstone
Sand
sandstone
Carbonates
Stretching
ground improvement
sand
dry density
Experiments
Friction
cohesion
friction
experiment
carbonate
engineering
method
test

ASJC Scopus subject areas

  • Geochemistry and Petrology
  • Geotechnical Engineering and Engineering Geology

Cite this

van Paassen, L., Van Loosdrecht, M. C. M., Pieron, M., Mulder, A., Ngan-Tillard, D. J. M., & Van Der Linden, T. J. M. (2010). Strength and deformation of biologically cemented sandstone. In Rock Engineering in Difficult Ground Conditions - Soft Rocks and Karst - Proceedings of the Regional Symposium of the International Society for Rock Mechanics, EUROCK 2009 (pp. 405-410)

Strength and deformation of biologically cemented sandstone. / van Paassen, Leon; Van Loosdrecht, M. C M; Pieron, M.; Mulder, A.; Ngan-Tillard, D. J M; Van Der Linden, T. J M.

Rock Engineering in Difficult Ground Conditions - Soft Rocks and Karst - Proceedings of the Regional Symposium of the International Society for Rock Mechanics, EUROCK 2009. 2010. p. 405-410.

Research output: Chapter in Book/Report/Conference proceedingConference contribution

van Paassen, L, Van Loosdrecht, MCM, Pieron, M, Mulder, A, Ngan-Tillard, DJM & Van Der Linden, TJM 2010, Strength and deformation of biologically cemented sandstone. in Rock Engineering in Difficult Ground Conditions - Soft Rocks and Karst - Proceedings of the Regional Symposium of the International Society for Rock Mechanics, EUROCK 2009. pp. 405-410, Regional Symposium of the International Society for Rock Mechanics: Rock Engineering in Difficult Ground Conditions - Soft Rocks and Karst, EUROCK 2009, Dubrovnik, Cavtat, Croatia, 10/29/09.
van Paassen L, Van Loosdrecht MCM, Pieron M, Mulder A, Ngan-Tillard DJM, Van Der Linden TJM. Strength and deformation of biologically cemented sandstone. In Rock Engineering in Difficult Ground Conditions - Soft Rocks and Karst - Proceedings of the Regional Symposium of the International Society for Rock Mechanics, EUROCK 2009. 2010. p. 405-410
van Paassen, Leon ; Van Loosdrecht, M. C M ; Pieron, M. ; Mulder, A. ; Ngan-Tillard, D. J M ; Van Der Linden, T. J M. / Strength and deformation of biologically cemented sandstone. Rock Engineering in Difficult Ground Conditions - Soft Rocks and Karst - Proceedings of the Regional Symposium of the International Society for Rock Mechanics, EUROCK 2009. 2010. pp. 405-410
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