Wednesday, December 25, 2013

Dachausmittlung -- Geomtric Roof Design

This example of the geometric roof design is from the book
Basiswissen Dachausmittlung by Peter Kubler & Albert Muller

Three different roof profile slope angles, 40° - 50° - 60°, and all of the eave angles are not at 90°.

Ground Plan 





Ground Plan  & Profile Slope Angles

to develop the dimensions for the different rafter runs, g1 - g2  -g3, based on the rise h.

Drawing with the parallel lines drawn using the dimensions g1 - g2  -g3. To develop the Sectional Area of the Intersection of the Roof Planes.



Hip Rafter Run Lines

 drawn from the intersection of the parallel lines.



Cripple Hip Rafter Run Lines

drawn in to locate the cripple hip rafters.

Cripple Hip Rafter Run Lines

drawn in to locate the cripple hip rafters.

Roof Design Complete.



Profile Rafter Slopes

drawn in to locate the height of the ridges & cripple hip rafters.


3D Views of the Roof Design.






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