Key methods for non-cover-weight consolidation grouting of super high dam foundations

doi:10.16511/j.cnki.qhdxxb.2020.26.014

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Abstract This study analyzed the interactions between dam foundation reinforcement and concrete pouring for the foundations of high arch dams without a heavy cover to consolidate the grouting. This study used the Wudongde dam foundation grouting as an example without a heavy cover for the consolidation grouting using the "table closed, shallow encryption, booster, strict monitoring, and little tube" method. This method not only eliminates the interference between the dam foundation consolidation grouting and the concrete pouring, but also guarantees the quality of the non-capped consolidation grouting. The results from the Wudongde Hydropower Station show that the first pass rate of the acoustic wave test was 100% and the water permeability after irrigation met the standard.

Keywords non-cover-weight consolidation grouting crack sealing dam foundation Wudongde Hydropower Station

Issue Date: 04 June 2020

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	HUANG Wei
	WEI Pengcheng

Cite this article:

HUANG Wei,WEI Pengcheng. Key methods for non-cover-weight consolidation grouting of super high dam foundations[J]. Journal of Tsinghua University(Science and Technology), 2020, 60(7): 582-588.

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http://jst.tsinghuajournals.com/EN/10.16511/j.cnki.qhdxxb.2020.26.014 OR http://jst.tsinghuajournals.com/EN/Y2020/V60/I7/582

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