An edge protection system including a first expandable armoured joint to protect a first joint extending in a first direction, a second expandable armoured joint to protect a second joint extending in a second direction and an intersection module including a cover plate located at an intersection of the first expandable armoured joint and the second expandable armoured joint.

A method of laying one or more concrete topping slabs over an existing concrete structure includes providing a concrete form defining an area on a surface of the concrete structure, drilling a hole into the surface of the concrete structure within the area, the hole being closer to a first border of the concrete form than to a second border of the concrete form opposite the first border, attaching first and second slip-dowel receiving sheaths respectively to the first and second borders, securing a first end portion of a bent metal bar in the hole with a second end portion of the bent metal bar extending parallel to the surface and the slip-dowel receiving sheaths toward the second border, and pouring a concrete mixture over the surface of the concrete structure and about the first and second slip-dowel receiving sheaths and the second end portion of the bent metal bar.

A method of laying one or more concrete topping slabs over an existing concrete structure includes providing a concrete form defining an area on a surface of the concrete structure, drilling a hole into the surface of the concrete structure within the area, the hole being closer to a first border of the concrete form than to a second border of the concrete form opposite the first border, attaching first and second slip-dowel receiving sheaths respectively to the first and second borders, securing a first end portion of a bent metal bar in the hole with a second end portion of the bent metal bar extending parallel to the surface and the slip-dowel receiving sheaths toward the second border, and pouring a concrete mixture over the surface of the concrete structure and about the first and second slip-dowel receiving sheaths and the second end portion of the bent metal bar.

Edge protectors are useful to be cast into the edges of concrete slabs to prevent spalling thereof after shrinkage has occurred and a gap has formed between adjacent slabs. An alternative edge protector (10) is described which comprises a first folded sheet having, in use, an upper (35) and a lower portion (25), the fold being on a first side of the first folded sheet and being alignable, in use, with the sidewall of the slab, the upper portion being planar and being arrangeable, in use, with its upper surface coplanar with the upper surface of the slab, the lower portion extending at least partially under the upper portion in a direction away from the fold, and continuing from the end of the lower portion in the same general direction, without any further folds or bends greater than 90 degrees, as an anchor portion (20) such that the anchor portion is arrangeable within the slab.

Edge protectors are useful to be cast into the edges of concrete slabs to prevent spalling thereof after shrinkage has occurred and a gap has formed between adjacent slabs. An alternative edge protector (10) is described which comprises a first folded sheet having, in use, an upper (35) and a lower portion (25), the fold being on a first side of the first folded sheet and being alignable, in use, with the sidewall of the slab, the upper portion being planar and being arrangeable, in use, with its upper surface coplanar with the upper surface of the slab, the lower portion extending at least partially under the upper portion in a direction away from the fold, and continuing from the end of the lower portion in the same general direction, without any further folds or bends greater than 90 degrees, as an anchor portion (20) such that the anchor portion is arrangeable within the slab.

The present invention relates to a settable material aligning arrangement that allows for settable material to be aligned to a desired level before the settable material sets. It can be used for ensuring that a poured concrete floor or shotcreted wall is levelled accurately. The settable material aligning arrangement is fixed to a support base and includes a base arrangement and an aligning formation that can be fixed at varying distances from each other by a coupling arrangement.

The present invention relates to a settable material aligning arrangement that allows for settable material to be aligned to a desired level before the settable material sets. It can be used for ensuring that a poured concrete floor or shotcreted wall is levelled accurately. The settable material aligning arrangement is fixed to a support base and includes a base arrangement and an aligning formation that can be fixed at varying distances from each other by a coupling arrangement.

An armoured joint for protecting an edge of a first component formed of settable material and an edge of a second component formed of settable material at a joint, wherein the apparatus includes a first anchorage part for anchoring to the first component and a second anchorage part for anchoring to the second component, a first plate coupled to the first anchorage part, a second plate coupled to the second anchorage part, the first plate defining a first edge, the second plate defining a second edge, wherein the first edge and the second edge are shaped to facilitate bringing together of the first edge and the second edge, and wherein the second anchorage part is adapted to be movable relative to the first anchorage part from a close configuration in which the second edge is brought together with the first edge to a spaced configuration in which the second edge is spaced relative to the first edge, wherein the first anchorage part or the second anchorage part has a support section, the armoured joint including a bracket for supporting the armoured joint relative to a ground surface, the bracket comprising an angled upper leg and an angled lower leg, wherein the bracket is fixed to the support section by the angled upper leg and the angled lower leg, the angled upper leg being fixed to the support section to extend downwardly from the support section at a first angle and the angled lower leg being fixed to the support section to extend upwardly from the support section at a second angle of the same magnitude as the first angle.

Various embodiments of the present disclosure provide a cast-in-place concrete slab load transfer and slab connection apparatus and method of employing same.

Various embodiments of the present disclosure provide a cast-in-place concrete slab load transfer and slab connection apparatus and method of employing same.