Research Article
Experimental Research on Foamed Mixture Lightweight Soil Mixed with Fly-Ash and Quicklime as Backfill Material behind Abutments of Expressway Bridge
Figure 6
The SEM images of FMLSF: 1000x.
(a) Cement content is 55% (fly-ash 45%) |
(b) Cement content is 75% (fly-ash 25%) |