Prefabricated concrete blocks for building retaining walls

Details Prefabricated concrete blocks for building retaining walls Prefabricated concrete blocks for building retaining walls

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F16S 1/02 (2006.01) E01F 8/00 (2006.01) E01F 8/02 (2006.01) E02D 29/02 (2006.01) E04B 1/84 (2006.01) E04C 1/39 (2006.01) E04B 2/02 (2006.01)

Patent

CA 2035769

14 A B S T R A C T A one-piece prefabricated concrete block for building retaining walls, the block being in the form of a six-faced parallelepiped having external keying shapes capable of enabling two adjacent blocks to co-operate with each other, the top face including, parallel to its front face, at least two, and preferably three, hollow female keying shapes which are open generally trapezium-shaped and situated at equal distances apart on the same block and between two blocks disposed one behind the other by interfitting said keying shapes on the rear face of one of the blocks and on the front face of the other block, with the bottom face including, parallel to the front face and in the same vertical plane as the two outermost keying shapes of the top face, two male keying shapes being capable of interfitting in any two of the female keying shapes of one or two blocks placed therebeneath.

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