Monkey Bridge Research Paper

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How to Make a Monkey Bridge
Bridges are made to cross impassible obstacles. There are many different styles and designs of bridges that have been constructed throughout history. One style that can be constructed to cross many different types of obstacles is a monkey bridge. Single A-frame monkey bridges are constructed with two a-frame stile trestles with a thick rope as the walk-way that is run between the trestles. Depending on the terrain, the trestles can be secured to rocks, trees or a constructed anchor system. These bridges are easily constructed and deconstructed making them ideal for temporary crossings (Green, L. 2015).
To begin the process of building a monkey bridge the necessary materials need to be gathered. For a single A-frame
Once the A-frame has been laid in the desired position according to the height of the bridge, three staves are to be pounded into the ground to mark the exact shape to build the second trestle in. After driving in the staves with the sledge hammer, a diagonal lashing should be tied to at the top of the A-frame where the walk line is going to be set. Once the diagonal lashing is complete and tight, all lashings are required to be extremely tight, the support pole at the bottom of the A-frame should be attached with a square lashings. (Appendix 1a). Then the step pole is lashed, again with square lashings, this should be about a foot to a foot and a half higher than the support pole. This completes the first trestle; to build the second trestle the 2westeps used to make the first trestle can be repeated (Boy Scout Troop 8).
The walk line is draped over the towels at the top of the trestle and tied to the anchor system behind the trestle. Tension is needed to make the walk line taut, which requires a very sturdy anchoring system. The 3-2-1 system is built by driving a set of three staves and then a set of two and then one stave in the ground (Appendix 1b). The staves are connected with twisted rope and driven in the ground at a forty-five degree angle away from the bridge so they are not pulled out of the ground when weight is on the walk line (Green, L. 2015). A loop of rope is also left in for the truckers’ hitch to be run

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