Across
- 2. the nineteenth letter of the Greek alphabet.
- 3. the force that attracts a body towards the centre of the earth, or towards any other physical body having mass.
- 5. the reinforcement or prolongation of sound by reflection from a surface or by the synchronous vibration of a neighbouring object.
- 8. the action or process of deforming or distorting a beam or another slender element.
- 9. of, relating to, or concerned with atoms, atomic bombs, or nuclear energy.
- 11. the twisting or wrenching of a body by the exertion of forces tending to turn one end or part about a longitudinal axis while the other is held fast or turned in the opposite direction.
- 13. a building material made from a mixture of broken stone or gravel, sand, cement, and water, which can be spread or poured into moulds and forms a mass resembling stone on hardening.
- 14. occurring or recurring at regular intervals.
- 15. the diminutive from the Latin word modus meaning measure or manner.
- 17. describe materials that can be shaped.
- 18. vertical loadbearing member, such as an intermediate support for adjacent ends of two bridge spans
- 20. having an unbranched main axis.
Down
- 1. a large watertight chamber, open at the bottom, from which the water is kept out by air pressure and in which construction work may be carried out under water.
- 4. having identical values of a property in all directions.
- 6. a long projecting beam or girder fixed at only one end, used in bridge construction.
- 7. distance or quantity.
- 9. the process of connecting various materials together or securing building elements such as concrete, masonry.
- 10. a fixed reference line for the measurement of coordinates.
- 12. the fifth letter of the Greek alphabet.
- 16. BAR a regularly shaped structure that is obtained from iron ores by melting process.
- 19. a specific type of bridge that consists of a series of arches, piers or columns supporting a long elevated railway or road.