Abstract: A device for reinforcing a pylon foundation against being pulled out, said foundation comprising at least one block (10) which is buried in the ground of the site of the foundation and that presents a portion (12) of greatest section in a horizontal plane, the device comprising a slab (20) buried in the ground and disposed around said block (10) between said portion (12) and the surface (T) of the ground, said slab extending beyond the vertical projection of the periphery of said portion (12). The slab (20) may be made from a mixture comprising materials extracted from the site or materials brought in from elsewhere (such as a treated gravel mix) or a mixture of both, together with at least one binder. Advantageously, the total proportion of binder in said mixture lies in the range 3% to 15% by weight. The device is used to compensate for a deficit in resistance to being pulled out presented by an existing shallow foundation for a pylon.

Abstract: A device for reinforcing a pylon foundation against being pulled out, said foundation comprising at least one block (10) which is buried in the ground of the site of the foundation and that presents a portion (12) of greatest section in a horizontal plane, the device comprising a slab (20) buried in the ground and disposed around said block (10) between said portion (12) and the surface (T) of the ground, said slab extending beyond the vertical projection of the periphery of said portion (12). The slab (20) may be made from a mixture comprising materials extracted from the site or materials brought in from elsewhere (such as a treated gravel mix) or a mixture of both, together with at least one binder. Advantageously, the total proportion of binder in said mixture lies in the range 3% to 15% by weight. The device is used to compensate for a deficit in resistance to being pulled out presented by an existing shallow foundation for a pylon.