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Beam bridges are the most simple form of bridge construction.

They are essentially designed as simply supported beams. This is the equivalent of a ruler supported on a series of LEGO bricks. the connection between the ruler and the Lego brick does not prevent the movement of the ruler what-so ever and as a result the only effect on the lego brick is the vertical force of the loads placed upon the bridge.

This is a very simple and efficient way to design a bridge for short and medium spans.

For modest spans, the bridge is normally held in position at one end and the other end is allowed to slide freely over the abutments.

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13y ago

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