Butterfly roof

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Mearg Mehar asked 7 years ago

I have one block with span 20m and 60 m length. It is designed as a butterfly roofing and the supporting structure is truss with c/c 1.5m. i need to find total number of eucalyptus. the slop is 1:3, rafter 12cm diameter and the diagonal and vertical 8cm and 10cm respectively.

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