Creep behavior of boom clay

Research output: Contribution to journalArticle

Standard

Creep behavior of boom clay. / Yu, H.D.; Chen, W.Z.; Gong, Z.; Tan, X.J.; Ma, Y.S.; Li, Xiang Ling; Sillen, X.; Dizier, Arnaud (Peer reviewer).

In: International Journal of Rock Mechanics & Mining Sciences, Vol. 76, No. 06, 06.2015, p. 256-264.

Research output: Contribution to journalArticle

Harvard

Yu, HD, Chen, WZ, Gong, Z, Tan, XJ, Ma, YS, Li, XL, Sillen, X & Dizier, A 2015, 'Creep behavior of boom clay', International Journal of Rock Mechanics & Mining Sciences, vol. 76, no. 06, pp. 256-264. https://doi.org/10.1016/j.ijrmms.2015.03.009

APA

Yu, H. D., Chen, W. Z., Gong, Z., Tan, X. J., Ma, Y. S., Li, X. L., ... Dizier, A. (2015). Creep behavior of boom clay. International Journal of Rock Mechanics & Mining Sciences, 76(06), 256-264. https://doi.org/10.1016/j.ijrmms.2015.03.009

Vancouver

Yu HD, Chen WZ, Gong Z, Tan XJ, Ma YS, Li XL et al. Creep behavior of boom clay. International Journal of Rock Mechanics & Mining Sciences. 2015 Jun;76(06):256-264. https://doi.org/10.1016/j.ijrmms.2015.03.009

Author

Yu, H.D. ; Chen, W.Z. ; Gong, Z. ; Tan, X.J. ; Ma, Y.S. ; Li, Xiang Ling ; Sillen, X. ; Dizier, Arnaud. / Creep behavior of boom clay. In: International Journal of Rock Mechanics & Mining Sciences. 2015 ; Vol. 76, No. 06. pp. 256-264.

Bibtex - Download

@article{ba330ff38955447ca50000b4565be787,
title = "Creep behavior of boom clay",
abstract = "Several creep tests (lasting more than one year) were performed to study the delayed mechanical behavior of Boom clay under the hydro-mechanical coupling effect. To prevent the soil from swelling as much as possible during resaturation, the samples were submitted to a confining pressure close to the in situ effective mean stress (2.5MPa) at a room temperature of 21°C. Creep tests highlight the creep potential of Boom clay. Delayed behavior became significant as the deviatoric stress increased. A deviatoric stress threshold (approximately 1.0MPa), below which only primary creep occurred, was proved to exist. If we introduce a quasi-steady state creep rate, the average creep rate after the creep deformation becoming stable, it can be found that the quasi-steady state creep rate of Boom clay is on the order of 10_6 ε/h under low deviatoric stress (1.5MPa) in the laboratory. However, In situ measurements of the tunnel diameter reduction show that steady creep state was not reached even after five years after construction. The in situ quasi-steady state diameter reduction rate calculated from the average of 10 years of stable deformation of thetunnel linings is on the order of 10_8 ε/h.",
keywords = "Boom clay, creep, tests, creep rate",
author = "H.D. Yu and W.Z. Chen and Z. Gong and X.J. Tan and Y.S. Ma and Li, {Xiang Ling} and X. Sillen and Arnaud Dizier",
note = "Score = 10",
year = "2015",
month = "6",
doi = "10.1016/j.ijrmms.2015.03.009",
language = "English",
volume = "76",
pages = "256--264",
journal = "International Journal of Rock Mechanics & Mining Sciences",
issn = "1365-1609",
publisher = "Elsevier",
number = "06",

}

RIS - Download

TY - JOUR

T1 - Creep behavior of boom clay

AU - Yu, H.D.

AU - Chen, W.Z.

AU - Gong, Z.

AU - Tan, X.J.

AU - Ma, Y.S.

AU - Li, Xiang Ling

AU - Sillen, X.

A2 - Dizier, Arnaud

N1 - Score = 10

PY - 2015/6

Y1 - 2015/6

N2 - Several creep tests (lasting more than one year) were performed to study the delayed mechanical behavior of Boom clay under the hydro-mechanical coupling effect. To prevent the soil from swelling as much as possible during resaturation, the samples were submitted to a confining pressure close to the in situ effective mean stress (2.5MPa) at a room temperature of 21°C. Creep tests highlight the creep potential of Boom clay. Delayed behavior became significant as the deviatoric stress increased. A deviatoric stress threshold (approximately 1.0MPa), below which only primary creep occurred, was proved to exist. If we introduce a quasi-steady state creep rate, the average creep rate after the creep deformation becoming stable, it can be found that the quasi-steady state creep rate of Boom clay is on the order of 10_6 ε/h under low deviatoric stress (1.5MPa) in the laboratory. However, In situ measurements of the tunnel diameter reduction show that steady creep state was not reached even after five years after construction. The in situ quasi-steady state diameter reduction rate calculated from the average of 10 years of stable deformation of thetunnel linings is on the order of 10_8 ε/h.

AB - Several creep tests (lasting more than one year) were performed to study the delayed mechanical behavior of Boom clay under the hydro-mechanical coupling effect. To prevent the soil from swelling as much as possible during resaturation, the samples were submitted to a confining pressure close to the in situ effective mean stress (2.5MPa) at a room temperature of 21°C. Creep tests highlight the creep potential of Boom clay. Delayed behavior became significant as the deviatoric stress increased. A deviatoric stress threshold (approximately 1.0MPa), below which only primary creep occurred, was proved to exist. If we introduce a quasi-steady state creep rate, the average creep rate after the creep deformation becoming stable, it can be found that the quasi-steady state creep rate of Boom clay is on the order of 10_6 ε/h under low deviatoric stress (1.5MPa) in the laboratory. However, In situ measurements of the tunnel diameter reduction show that steady creep state was not reached even after five years after construction. The in situ quasi-steady state diameter reduction rate calculated from the average of 10 years of stable deformation of thetunnel linings is on the order of 10_8 ε/h.

KW - Boom clay

KW - creep

KW - tests

KW - creep rate

UR - http://ecm.sckcen.be/OTCS/llisapi.dll/open/ezp_139707

UR - http://knowledgecentre.sckcen.be/so2/bibref/12710

U2 - 10.1016/j.ijrmms.2015.03.009

DO - 10.1016/j.ijrmms.2015.03.009

M3 - Article

VL - 76

SP - 256

EP - 264

JO - International Journal of Rock Mechanics & Mining Sciences

JF - International Journal of Rock Mechanics & Mining Sciences

SN - 1365-1609

IS - 06

ER -

ID: 276146