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从常规坝基固结灌浆入手，利用声波测试手段，定量分析弱风化硬质中厚层状多裂隙砂岩体质量的改善范围和程度，为优化坝基设计，提出经济合理的基础处理方案
Starting from the consolidation grouting of conventional dam foundation, the range and degree of improvement of weakened hard, medium and thick multi-fractured sandstone mass are quantitatively analyzed by means of acoustic testing. In order to optimize the design of dam foundation, a reasonable and economical basic treatment scheme is proposed.