The construction structure of the long-span hyperbolic-curve special-shaped brick arch and concrete arch lintel comprises three circles of special-shaped brick arches, a backward extending stair shape is formed between the three circles of special-shaped brick arches circle by circle from the outer ...
wherein the three circles of arc-shaped templates and the bottom template form an integrated template system; (3) building a brick arch; and (4) pouring the concrete of the arch lintel so that the special-shaped brick arch and the concrete arch form an integrated long-span hyperbola exterior...