Various examples of "lightweight fill method," in which urethane foam is foamed onsite as fill material, are introduced here.

1. Civil Engineering - Roads Road widening (coastal area)
2. Civil engineering-Roads Road widening (alongside)
3. Civil Engineering - Roads Road widening (remaining bridge)
4. Civil Engineering - Road Lightweight Fill Wall Material Repair
5. Civil - Roads Rock shed buffer construction
6. Civil Engineering - Sidewalks Underpass Closing and Filling
7. Civil Engineering - Bridges - Lower Filling Reinforcement
8. Civil Engineering - Bridges Seismic Reinforcement of Locking Piers
9. Civil Engineering - Mine control - Filling of cavity in back of formwork
10. Civil Engineering - Offshore Floating Pier (Pontoon) Closing and Filling
11. Construction - Building - Blocked filling of underground pit in mechanical parking garage
12. Construction - Building Subfloor cavity filling
13. Construction - Building Rooftop Raising
    
    (Ref.) 2020 Construction Case Studies.pdf