lamella arch

lamella arch

[lə′mel·ə ‚ärch]
(civil engineering)
An arch consisting basically of a series of intersecting skewed arches made up of relatively short straight members; two members are bolted, riveted, or welded to a third piece at its center.
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The most stunning aspect of the 12,000-sq ft space--"our gem," says Feichtner--is a conference room inside a semi-circular, curved wood structure, nicknamed "the tunnel." With its crisscrossed Lamella arches spanning 60 ft long and 17 ft wide, the structure visually connects the large glass windows and doors at the front and rear of the building.