The overall wave velocity of each sample showed a decreasing trend with the increase in the number of freeze–thaw cycles.
← all excerpts
Study of the degradation and microstructural characteristics of granite porphyry with freeze-thaw cycles.
2
—
—
The sentences
5 , it can be seen that most of the rock samples had a high proportion of large pores, and as the number of freeze–thaw cycles increased, all of the samples showed an overall trend of an increasing proportion of large pores.