Research Article
Research on Preparation and Performance of Clay-Based Shield Tunnel Nonsintered Bricks
Figure 4
The influence of lime, fly ash (lime 30%), cement (lime 30%), fly ash (lime 10%, cement 5%), and polyvinyl alcohol (lime 10%, cement 5%, and fly ash 40%) dosage on water absorption.
(a) |
(b) |
(c) |
(d) |
(e) |