| 摘要 |
Precast concrete slabs, methods of manufacture and installation are provided. In this regard, a representative precast concrete slab includes: a first portion, substantially triangular in shape and exhibiting first, second and third sides, the first and second sides being positioned along an exterior of the slab and residing in a first plane; and a second portion, substantially triangular in shape and exhibiting first, second and third sides, the first and second sides of the second portion being positioned along the exterior of the slab and residing in a second plane, the second plane being non-parallel with respect to the first plane; the third side of the first portion and the third side of the second portion being positioned adjacent to each other and forming a transition between the first plane and the second plane.
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