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Assessment of Relationship Between Grouted Values and Calculated Values in the Bazoft Dam Site

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Abstract

Seepage through foundation and abutments of a dam can potentially result in a waste of the water stored in dam reservoir, erosion of foundation materials, and development of uplift pressure in dam foundation which, consequently, threatens the long-term stability of the dam. In this study, the grout volume is estimated based on parameters such as joint aperture, the maximum penetration length of the grout, and calculated grout take in Bazoft dam site. Bazoft Dam is a hydroelectric supply and double-curvature arch dam with a height of 211 m located in Chaharmahal and Bakhtiari Province of Iran. The bedrock of Bazoft dam site consists of Asemari Formation (limy marl and marly lime), in the middle and upper parts of left abutment, and Jahrom Formation (limestone and dolomite) in the right abutment, river bed, and lower part of left abutment. The joint apertures were calculated based on the permeability and the joint spacing. Next, the maximum penetration length of the grout and grout volume were calculated. Using a statistical analysis, the relationship of the joint aperture, maximum penetration length, and the calculated grout volume with real grout take was also investigated. The results show that the grout take can be predicted with appropriate accuracy based on the calculated grout volume.

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Acknowledgements

It is our pleasure to offer our sincere regards to staffs of “Qods Niru Engineering Company” (QNEC) for their cooperation.

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Authors and Affiliations

  1. Department of Geology, Faculty of Science, Ferdowsi University of Mashhad, Mashhad, 15815-3587, Iran

    Ahmad Rastegarnia

  2. Faculty of Geology, College of Sciences, Tehran University, Tehran, Iran

    Abdollah Sohrabibidar

  3. Department of Geology, Faculty of Science, Tarbiat Modares University, Tehran, Iran

    Vahid Bagheri, Mehdi Razifard & Abbas Zolfaghari

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  1. Ahmad Rastegarnia
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  2. Abdollah Sohrabibidar
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  3. Vahid Bagheri
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  4. Mehdi Razifard
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  5. Abbas Zolfaghari
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Correspondence to Ahmad Rastegarnia.

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Rastegarnia, A., Sohrabibidar, A., Bagheri, V. et al. Assessment of Relationship Between Grouted Values and Calculated Values in the Bazoft Dam Site. Geotech Geol Eng 35, 1299–1310 (2017). https://doi.org/10.1007/s10706-017-0176-1

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  • DOI: https://doi.org/10.1007/s10706-017-0176-1

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