ﭘﻞ ﻗﻮﺳﯽ 
Arch bridge

- ﭘﻠﯽ ﺍﺳﺖ ﮐﻪ ﻋﻨﺎﺻﺮ ﺍﺻﻠﯽ ﺗﺤﺖ ﻓﺸﺎﺭ ﺁﻥ ﻗﻮﺳﯽ ﻣﯽﺑﺎﺷﻨﺪ.
- ﭘﻠﯽ ﮐﻪ ﺗﮑﯿﻪﮔﺎﻫﻬﺎی ﺍﺻﻠﯽ ﺁﻥ ﺭﺍ ﭼﻨﺪ ﻃﺎﻕ ﺗﺸﮑﯿﻞ ﻣﯽﺩﻫﺪ.