Instead of pushing straight down, the weight of an arch bridge is carried outward along the curve of the arch to the supports at each end. These supports, called the abutments, carry the load and ...

Instead of pushing straight down, the weight of an arch bridge is carried outward along the curve of the arch to the supports at each end. These supports, called the abutments, carry the load and ...

(Photo: Xinhua) Zeng Jiakuai, a provincial-level inheritor of traditional design and practices for building Chinese wooden arch bridges, displays his hand-drawing of the structure of Xidong Bridge in ...