two beams with an “imaginary” hinge; improper constraints; complex structures; example; a famous three-hinged structure. 6) Arches and suspension bridges. Indirect load. Three hinged arch; arch with ...

Arch bridges are one of the oldest types of bridges and have great natural strength. Instead of pushing straight down, the weight of an arch bridge is carried outward along the curve of the arch ...

Wooden arch bridges are found in Fujian Province and Zhejiang Province ... craftsmanship, the core technologies of ‘beam-weaving' and mortise and tenon joints, and an experienced woodworker's ...