Gridshell Roof Details

A gridshell is a structure which derives its strength from its double curvature but is constructed of a grid or lattice.

Gridshell roof details.

It is a three domed double curved structure of sinusoidal shape and is expressed architecturally on the inside of the building fig 3. The structure was realised using 50mm x 50mm hemlock sections joined. Event days opening times vary please see our what s on pages for details. Gridshell roof comprising 80 x 50mm larch laths with ply skin.

A gridshell is essentially a shell with holes but with its structure concentrated into strips. Demolition of the old station roof by main contractor morgan sindall is now complete and substructure construction has started. The structure has a span of 24 metres and is 90 metres in length overall client the crown estates architect glenn howells architects project engineer engineers hrw roof engineer buro happold main contractor william verry timber structure specialists the green oak carpentry company. It will be clad with a loose system of hanging western red cedar boards.

Construction of the new steel roof will begin in early 2014 and continue for 14 weeks. Refer to the details. Whenever possible begin trim installation at the downwind end of the roof farthest away from the source of prevailing winds to al low flashing laps to face away from wind driven rain. Large span timber gridshells are commonly constructed by initially laying out the main lath members flat in a regular.

Include roof pitch roof geometry slope length and climatic factors such as heavy snowfall or rainfall. A shell is a natural extremely strong structure. 3 timber gridshell roof the roof is 90m long by 25 metres wide timber gridshell the biggest in the uk. In that they are similar to geodesic domes.

Included in the cost is a 16m curved steel rib and etfe roof structure which will allow natural daylight to flood the station. The difficult to drain upper pitches of the building will be clad in an undulating ribbon of watertight monolithic roof. Its intricate ribbon roof is installed and the mechanical and interior fit outs are completed. These innovative space frame structures derive their strength from having double curvature in their overall shape.

The gridshell is an organic triple bulb hourglass shape with access from both ends. A gridshell is a structure with the shape and strength of a double curvature shell but made of a grid instead of a solid surface. The building shown in figure 2 5 featured two domes spanning 60m and 40m respectively as well as connecting pathways 3. Free form and free span buildings a gridshell s organic shape and column free space provide unlimited design freedom to architects and structural engineers.

The grid can be made of any material but is most often wood or steel.