Research Article
Effect of Freeze-Thaw Cycles on the Internal Structure and Performance of Semirigid Base Materials
Figure 15
Change of the internal structures of the SRBM samples along the horizontal direction when the curing time was 28 d: (a) cement content = 4.0%; (b) cement content = 4.5%; (c) cement content = 5.0%.
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(b) |
(c) |