INVESTIGATION OF THE DEFORMATIONS IN A CONCRETE FACED ROCKFILL DAM DURING STRONG GROUND MOTION

Murat Emre Kartal

INVESTIGATION OF THE DEFORMATIONS IN A CONCRETE FACED ROCKFILL DAM DURING STRONG GROUND MOTION

Abstract

The aim of this paper is to delve into non-linear deformation behavior of a concrete faced rockfill (CFR) dam under strong ground motions. For this purpose, a typical CFR dam with its reservoir water is considered in the analysis. Reservoir water is modeled using the fluid finite elements based on the Lagrangian approach. Free-field surface ground motions recorded during an earthquake are deconvolved at the base of the foundation in order to simulate correctly the design motion in the earthquake analysis. The Drucker-Prager model and the multi-linear kinematic hardening model are used for concrete slab and rockfill, respectively, for materially non-linearity. Non-linear behavior of the rockfill is obtained by the uniaxial stress-strain relation. Various joints in the CFR dam are modeled considering welded and friction contact. One-dimensional surface-to-surface contact-target element pair based on the Coulomb’s friction law is also used to provide the friction. The analysis expansively presents the horizontal and vertical displacements in concrete slab-rockfill interface and also horizontal displacements in dam-foundation interface. The results show that the maximum displacements appear when the friction is considered in the joints. Additionally, hydrodynamic pressure has increased the horizontal displacements of the dam. The horizontal displacements have also been increased by the effect of the non-linear behavior of the rockfill and concrete slab.

Keywords

References

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Details

Primary Language

English

Subjects

Engineering

Journal Section

Research Article

Authors

Murat Emre Kartal This is me
0000-0003-3896-3438
Türkiye

Publication Date

March 1, 2018

Submission Date

November 21, 2017

Acceptance Date

March 4, 2018

Published in Issue

Year 2018 Volume: 36 Number: 1

IZ

https://izlik.org/JA28UE92WY

Cite

RIS / Bibtex

APA

Kartal, M. E. (2018). INVESTIGATION OF THE DEFORMATIONS IN A CONCRETE FACED ROCKFILL DAM DURING STRONG GROUND MOTION. Sigma Journal of Engineering and Natural Sciences, 36(1), 207-230. https://izlik.org/JA28UE92WY

AMA

1.Kartal ME. INVESTIGATION OF THE DEFORMATIONS IN A CONCRETE FACED ROCKFILL DAM DURING STRONG GROUND MOTION. SIGMA. 2018;36(1):207-230. https://izlik.org/JA28UE92WY

Chicago

Kartal, Murat Emre. 2018. “INVESTIGATION OF THE DEFORMATIONS IN A CONCRETE FACED ROCKFILL DAM DURING STRONG GROUND MOTION”. Sigma Journal of Engineering and Natural Sciences 36 (1): 207-30. https://izlik.org/JA28UE92WY.

EndNote

Kartal ME (March 1, 2018) INVESTIGATION OF THE DEFORMATIONS IN A CONCRETE FACED ROCKFILL DAM DURING STRONG GROUND MOTION. Sigma Journal of Engineering and Natural Sciences 36 1 207–230.

IEEE

[1]M. E. Kartal, “INVESTIGATION OF THE DEFORMATIONS IN A CONCRETE FACED ROCKFILL DAM DURING STRONG GROUND MOTION”, SIGMA, vol. 36, no. 1, pp. 207–230, Mar. 2018, [Online]. Available: https://izlik.org/JA28UE92WY

ISNAD

Kartal, Murat Emre. “INVESTIGATION OF THE DEFORMATIONS IN A CONCRETE FACED ROCKFILL DAM DURING STRONG GROUND MOTION”. Sigma Journal of Engineering and Natural Sciences 36/1 (March 1, 2018): 207-230. https://izlik.org/JA28UE92WY.

JAMA

1.Kartal ME. INVESTIGATION OF THE DEFORMATIONS IN A CONCRETE FACED ROCKFILL DAM DURING STRONG GROUND MOTION. SIGMA. 2018;36:207–230.

MLA

Kartal, Murat Emre. “INVESTIGATION OF THE DEFORMATIONS IN A CONCRETE FACED ROCKFILL DAM DURING STRONG GROUND MOTION”. Sigma Journal of Engineering and Natural Sciences, vol. 36, no. 1, Mar. 2018, pp. 207-30, https://izlik.org/JA28UE92WY.

Vancouver

1.Murat Emre Kartal. INVESTIGATION OF THE DEFORMATIONS IN A CONCRETE FACED ROCKFILL DAM DURING STRONG GROUND MOTION. SIGMA [Internet]. 2018 Mar. 1;36(1):207-30. Available from: https://izlik.org/JA28UE92WY