Research Article
Research on the Application of Prefabricated Load-Bearing Structure in Prefabricated Roadway in Filling Body
Figure 13
Force cloud diagrams of steel arches: (a) load-bearing structure with a cement-to-sand ratio of 1 : 3 and (b) load-bearing structure with a cement-to-sand ratio of 1 : 4.
(a) |
(b) |