An arch is a curved structure spanning an open space, serving either a structural or decorative function. Decorative arches date back to the 4th millennium BC, but their use as load-bearing structures became widespread with the Ancient Romans in the 4th century BC. Arches are an important architectural element.
Around 1900 BC-1300 BC, Barrel vaults were used in the Late Harappan Cemetery H culture forming the roof of the metal working furnace.
In 1925, H. V. Hilprecht dated the Nippur arch to before 4000 BC, highlighting its early existence within ancient Near Eastern structures.
In 1940, Vats made a discovery during excavation at Harappa of barrel vaults forming the roof of the metal working furnace, dating back to 1900 BC-1300 BC.
In 1972, the Britannia Bridge was rebuilt as a truss arch bridge, showcasing the evolution of bridge construction techniques after its initial construction between 1846 and 1850.
In 1991, Warren presented an opinion on the origin of the pointed arch, contributing to the discussion about its development.
Around 2000 BC, an arched mudbrick home doorway was built in Tell Taya, Iraq, demonstrating early use of arches in residential structures.
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