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Bridge crap
Stack #193846
| Question | Answer |
|---|---|
| Beam | a rigid usually horizontal structure |
| bed rock | the solid layer underneath sand or silt |
| caisson | water tight dry chamber in which people work underwater |
| cantilever | a projecting structure supported only at one end, like a shelf bracket or divingboard |
| compression | a force that squeezes a material together |
| joints | a device connecting 2 or more adjacent parts of a structure |
| pile | a long wood concrete or steel driven into the soil |
| span | the distance a bridge extends between two supports |
| steel | an alloy of oron and carbon that is hard strong and malleable |
| swing bridge | bridge that rotates around a center point |
| tension | a force that pulls materials apart |
| torque | a force or action that twists a material |