Segmental Groined Dome - Auroville Earth Institute

Segmental Groined Dome

This segmental groined dome has been built free spanning to cover the kitchen/living room of a cost effective house in Auroville. This groined dome has been generated by the intersection of two segmental vaults.

The segmental groined dome has been in 5 days with an average of 4 masons. The segmental groined dome and vault presents these features:
•   Segmental section of 3.48 m span and 50 cm rise
•   Total vaulted roof length: 13 m
•   Thickness of the vault and dome: 7 cm

CONSTRUCTION SEQUENCES

CONSTRUCTION DETAILS

Building the segmental vault on the window frame as a template

Building the segmental vault by steps to start with

Building the segmental vault above the bedroom

Completing the vault and controlling the shape with a straight edge

Finishing the side vault

Starting the segmental groined dome

Building the segmental groined dome

Adjusting a block in the corner of the groin

Building the segmental groined dome with 4 masons

Laying blocks in the corner

Segmental groined dome in progress

Laying blocks

Completing the groined dome

Finishing the dome with 1 mason

Groined dome towards completion

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