Devices and methods for forming voids or cavities in concrete such that reinforcing bars can be used to connect different pours of concrete, the devices including an insert having a base and an elongate member extending from the base, and the method including coupling the insert to formwork, pouring concrete into the formwork, which surrounds the insert, allowing the concrete to partially cure, such that it retains its shape, removing the formwork and insert to form a void in the partially cured concrete, inserting a reinforcing bar into the void, applying adhesive to adhere the reinforcing bar to the concrete, and pouring concrete around the reinforcing bar, such that the reinforcing bar joins the two pours of concrete together via the void and adhesive.

A method for installing building panels, the method including forming a composite building panel from a plurality of panels, transporting the composite building panel to the site of installation and lifting the composite building panel by a lifting facility into position within a building.

Systems and methods for connection between precast concrete elements are provided. Near-surface mounting bars (NSMBs) can be used to connect panel elements (e.g., decks and/or slabs), concrete walls, retaining walls, and/or abutments. A straight or butt connection can be used for panel and wall elements, and a staggered or lap connection can be used for panel elements. The connection systems offer new ways for connecting precast concrete walls and deck panels.

A support pack component which comprises a rectangular cementitious block with metal plates on three of its edges.

A building block for construction of a building includes a floor and walls. One of the walls includes a recess box. The walls are fixed to the floor and to one another. The floor includes a support made from wood-concrete and defines grooves. A metal armature formed by a plurality of metal rods is arranged in the grooves. At least first metal rods are salient from the ends of the first grooves. A concrete fills the grooves and completely covers the metal armature and the support. The walls are made from wood-concrete and define a vertical groove on their external surface extending over the height of the walls and opening onto the first metal rods salient from the support.