| 摘要 |
A set of extruded panels is provided for constructing a form-work for concrete. The set includes a plurality of first, second and connecting wall panels. The first wall panels are arranged edge to edge to form a first wall. The second wall panels are arranged edge to edge to form a second wall generally parallel to the first wall. The connecting wall panels are arranged to span transversely between the first and second walls. Each first wall panel incorporates an outer wall extending between first and second edges of the first wall panel, and an inner wall extending between first and second edges of the first wall panel, the inner wall spaced transversely from the outer wall and located relatively more proximate to the second wall panel. Each first wall panel incorporates a plurality of support walls extending transversely between the outer and inner walls.
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