Key problems and solutions in arch dam heightening

Zuoguang FU; Yunlong HE; Sheng SU

doi:10.1007/s11709-010-0004-7

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Front. Struct. Civ. Eng. ›› 2011, Vol. 5 ›› Issue (1) : 98-104. DOI: 10.1007/s11709-010-0004-7

RESEARCH ARTICLE

Key problems and solutions in arch dam heightening

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Abstract

The dam heightening, which is an effective way to increase reservoir volume, has been paid close attention by engineers. Three problems should be dealt with when an arch dam needs to be heightened: stress state getting worse at dam heel, cracking on new added concrete dam surface, and weak bonding between new added concrete and old dam. Taking Geba arch dam as an example, these problems are examined in details through simulation analysis by the finite element method. The tensile stresses on dam’s surface and joint face that have certain relations to the dam heightening can be controlled by some measures.

Keywords

arch dam / heighten / tensile stress / finite element method

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Zuoguang FU, Yunlong HE, Sheng SU. Key problems and solutions in arch dam heightening. Front Arch Civil Eng Chin, 2011, 5(1): 98‒104 https://doi.org/10.1007/s11709-010-0004-7

References

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[1]	Roberts C M. The heightening of a gravity dam. Transactions of the 5th International Congress on Large Dam, Paris. 1955, 2: 163–178

[2]	Parkman H C. General and raised dam interfaces. Transactions of the 13th International Congress on Large Dam, New Delhi. Paris: International Commission on Large Dams, 1979, 1: 675–686

[3]	Zhu Bofang. Joint element in compound-layer method for stress analysis simulating construction process of high concrete dams. Journal of Hydroelectric Engineering, 1995, (3): 14–21 (in Chinese)

[4]	Zhu Bofang. Compound layer method for stress analysis simulating construction process. Journal of Hydroelectric Engineering, 1994, (3): 157–178 (in Chinese)

[5]	Bathe K J. Finite Element Procedures in Engineering Analysis. Englewood Cliffs, NJ: Prentice-Hall, Inc.,1982, 51–142

[6]	Zhu Bofang. On the allowable tensile stresses in arch dams. Journal of Hydraulic Engineering, 1991, (8): 20–24 (in Chinese)

[7]	Owen D R J, Hinton E. Finite Element in Plasticity: Theory and Practice. Swansea, UK: Pineridge Press Limited, 1980, 17–31

[8]	Zhu Bofang. Thermal Stresses and Temperature Control of Mass Concrete. Beijing: China Electric Power Press, 1999 (in Chinese)

[9]	Lin Yanjie, Huang Jigang. Problem of bonding between fresh and old concretes after dam heightening. Water Resources & Hydropower of Northeast China, 2003, 21(11): 13–15 (in Chinese)