Update 3 : Reciprocal bamboo frames as an alternative technology for roofing in Paraguay

Elena Vazquez Peña.

Architecture student at National University of Asunción, Paraguay.
(http://www.arq.una.py/V1/)

Tutor: MSc. Ing. Luis Fernando Meyer.

Currently doing research as a part of a final project (thesis) on reciprocal frame architecture, specifically, on reciprocal roofs made out of bamboo.
This is part of an ongoing investigation for the thesis.

Elena has been working on a structure that has an additional reciprocal frame added to the basic module.
I have denoted this below as module+1.

Acknowledgement here to Andres A Licata who suggested that the height of the original module could be increased by interlocking 2 modules to form a Gambrel type roof.
This would be denoted as module +2.

Foto 11-16-14, 1 56 43 PM
Foto 11-16-14, 1 57 16 PM

Module +1.
Here the roof frame is assembled on the ground prior to being lifted onto a supporting wall

Module +1.
Lifting the module is easy as there are only 4 main points of support.

Foto 11-16-14, 6 06 04 PM
Foto 11-16-14, 6 07 15 PM

Module +1.
This type of roof frame can support plastic sheeting or textiles.

Module +1.
The frame lifted into position.
A frame of these dimensions spans 5 metres.

EXISTING WALL
EARTH BAGS

Module +1.
Here the roof frame is lifted onto a supporting wall and bamboo poles.

Module +1.
Here the roof frame is lifted onto earth bag walls.

MS_PALLET

Module +1.
Here the roof frame is lifted onto a staggered wooden pallet arrangement

Shaun Halbert ( ReciproBoo)
Comments / suggestions for project:

USING THE MODULE +1

This structure may have uses for emergency shelter.
In particular where there is a need to build a temporary shelter frame capable of supporting plastic sheeting and textiles.

I can also see some potential for combining it with the 4 pole reciprocal frame used in the ReciproBoo Shelter Kit (RSK).

In addition:

# It is simple to assemble.

# The roof frame requires only 12 bamboo poles.

# It can be assembled on the ground and
then lifted into position.

# All the joints are simply cross lashed
together; no special skills are required.

# It gets its strength from the four reciprocal
frames that "lock" the poles together under
the force of gravity.

# It may be very useful in urban situations
where it can make use of existing walls and masonry.

# It could also be used to support a standard relief tarpaulin.

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