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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 |