DRY-STONE BRIDGE CONSTRUCTION
In August of 2008 I had the opportunity to participate in the building of an arched bridge in Ontario Canada. This project was oranised by the Dry Stone Wall Assosiation of Canada(DSWAC), an organisation dedicated to the fostering and promotion of stone construction without mortar.
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Springers.
One of the first stages is to place the springer stones - these form a foundation on which the rest of the arch lays. |
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Arch construction.
Once the arch is closed the former can be removed. |
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Shimming.
Shims are meticulously placed to ensure that all the arch stones are held tightly. |
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Completed bridge.
The entire structure is held together by friction and gravity without the need for mortar. |