| 摘要 |
<p>A variable set-up, reusable centering frame for the realization of concrete and masonry arches and for restoration applications, said centering frame (1) comprising a succession of rod modular members (3) in the shape of a Y, a first and a second upper hinge joint, a lower hinge joint provided with a slide rod (20), upper longitudinal plate-shaped connection means (6), wherein said rod Y-shaped modular members are connected to said upper longitudinal plate-like means through square joint means (5), wherein prop supporting members (7) are provided at the end of said structure.</p> |
