Research on Preparation and Performance of Clay-Based Shield Tunnel Nonsintered Bricks

<div>The influence of different content of lime, fly ash, cement, and polyvinyl alcohol (lime 10%, cement 5%, and fly ash 40%) on sample density.</div>

Advances in Materials Science and Engineering

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Figure 9

Figure 9: Research on Preparation and Performance of Clay-Based Shield Tunnel Nonsintered Bricks 