Jr Civil Engineering

3. a tall cylindrical vertical upright and used to support a structure
5. the center of a skyscraper. It is constructed with beams and is the strongest part of the structure
6. a framework made by joining straight pieces together to form triangles
8. a person who uses science, technology, and mathematics to invent, design, and build sturdy structures
13. a type of bridge made of flat beams supported underneath by two or more pillars or columns
16. cover with a material such as stone or concrete to make suitable for vehicle traffic
18. the very bottom, usually underground
19. a passageway through or under something, usually underground
20. the measure of space between two points

1. applying pressure; a squeezing force
2. to make, form, or build
4. a central stone at the summit of an arch, locking the whole together
5. the use of science, technology, and mathematics to invent, design, and build sturdy structures
7. a protective covering over the top of a building
9. something intended as a guide for making something else
10. sturdy; not likely to fall or collapse
11. an open way for travel or transportation
12. a construction usually curved creating an opening underneath and supporting the weight above it
14. material used to bond materials together in masonry
15. a projecting support of stone or brick built against a wall
17. a smaller version