Engineering, 28.04.2021 08:00, mayhem0316oyrjuo

A steel beam 12.0m sits next to a concrete wall when the temperature is 20.0°C. A gap must be lift between the beam and the concrete wall for expansion purposes. if the temperature rises to 43.0°C. How large must be the gap be if the steel beam just touches the concrete wall? ( a steel = 12 x 10-⁶/)

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A steel beam 12.0m sits next to a concrete wall when the temperature is 20.0°C. A gap must be lift b...