practical shelter innovation for disaster relief

The steel RSK reduces transportation costs by 30%

The steel RSK uses over a third less steel than a conventional roof shelter.

This is illustrated by the two roof frames opposite where the RSK roof uses 42% less steel than a conventional roof frame.

This translates to a saving of over 30% in the overall weight of a shelter kit (including a single tarpaulin) and hence in total transportation costs.

The reasons for this are due to the greater efficiency of the reciprocal frame to span a roof :

1. The reciprocal frame used for the RSK roof is a self- supporting structure. This means that shorter poles can be used to span a given roof space; hence its historic use in construction to support floors http://bit.ly/17PHVFF

2. The reciprocal frame roof requires only a single ridge pole. Support is only needed at the 4 corners of the frame.

RSK roof

7x 4 = 28

Total = 28 steel sections

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