The disclosure relates to formwork for producing a concrete element, in particular a wall element or ceiling element, having an opening, in particular a window opening or door opening, the formwork comprising: a formwork panel; opening formwork, which has a frame element for delimiting a portion of the opening, a support bracket for supporting the frame element, and a mounting element for mounting the support bracket; a formwork-stripping device for transferring the opening formwork from a formwork position for the formation of the opening into a formwork-stripping position for the release of the concrete element, wherein the formwork-stripping device has a sliding and tilting mechanism for sliding the frame element in a direction parallel to the formwork panel and for tilting the frame element about a pivot axis running substantially parallel to the formwork panel.

The present disclosure is related to a mold device for molding a waffle slab, wherein a plurality of connecting structures made of steel bars protrude from the sides of the waffle slab, the mold device comprising: a plurality of steel molds provided at both sides of each of the plurality of connecting structures and surrounding the waffle slab, each of the plurality of steel molds having a top surface, which has a hole therein; a plurality of auxiliary devices respectively disposed at the sides of the waffle slab and having through holes corresponding to holes in the plurality of steel molds; and a plurality of fasteners; wherein the plurality of fasteners respectively pass through the through holes of the plurality of auxiliary devices and are fixed into the holes of the plurality of steel molds so that each of the plurality of auxiliary device transversely connects the top surfaces of the plurality of steel molds.

Various aspects of systems and methods are provided herein wherein a method, is provided including the steps of: depositing a hot, flexible ribbon material along a plurality of sequentially conveyed molds; rolling a pinch roller over the surface of the ribbon, such that at least one pinch region is actuated in the ribbon as the ribbon is pinched between a pinch edge of the pinch roller and the surface of the mold; and rolling a pin roller over the surface of the ribbon, cooling the ribbon to thereby separate the ribbon along the pinch region into discrete parts.

A plant for producing a concrete prefabricated component includes a plurality of stations, a transport system to transport the production pallet through the plant, and a 3D printing station having a layer depositing device for depositing a particulate aggregate on the production pallet and having a printing head for controlled delivery of a water-binder mixture. The plant also includes a storage device to store particulate aggregate, a conveying device to convey the particulate aggregate to the layer depositing device of the 3D printing station, a mixing device for mixing the water-binder mixture, a feed device to feed the water-binder mixture to the printing head, and an unpacking station in which a concrete prefabricated component printed in the 3D printing station on the production pallet can be unpacked from an unbound particulate aggregate.

A method for producing a prefabricated 3D-printed part includes depositing a layer of a particulate aggregate on a production panel by a layer-depositing device; and dispensing a predetermined dose of a binder or a water/binder mixture, comprising water and at least one hydraulic binder, onto a locally predetermined region of the layer of the aggregate by a printhead. At least one reinforcement is arranged by a reinforcement-depositing device, at least in some regions, on and/or in the locally predetermined region on which the predetermined dose of the binder or the water/binder mixture was dispensed during the course of the second method step.

A system, comprising: at least one planar member having a two- or three-dimensional surface pattern formed thereon or therein; and a plurality of resilient spacers removably positionable on or in the surface pattern to form a surface relief pattern of spaced-apart recesses on the at least one planar member.

A use of at least one form insert for in-situ manufacture of a hollow core or hollow core analogue slab, the at least one form insert positioned in a mould defining a monolithic volume in which the hollow core or hollow core analogue slab is manufactured by pouring a cement-based curable material into the monolithic volume to submerge the at least one form insert.

A modular pavement slab including a paving material set around a plurality of forming tools and defining a side face and a top surface. Each of the forming tools includes an elongate body extending along a longitudinal axis and having a sidewall exterior surface configured for removal of the elongate body through the side face. Each of the forming tools also includes a riser releasably coupled to the elongate body and extending in a direction noncollinear to the corresponding longitudinal axis.

Example embodiments of the described technology provide a prefabricated building panel. The prefabricated building panel may comprise an insulative core having first and second opposing faces. The prefabricated building panel may also comprise a cementitious layer encapsulating the insulative core. The cementitious layer may increase one or more performance characteristics of the panel.

A form for forming a modular pavement slab with long and short cavities alternatingly formed around its periphery includes a header and a plurality of short and long forming tools. The header includes an inner vertical surface that defines a portion of the periphery of the modular pavement slab. The short forming tool includes an elongate body defining a longitudinal axis and having a proximal end positioned against the inner vertical surface of the header. The elongate body has a longitudinal bore therethrough and a riser bore defining an axis that is noncollinear to the longitudinal axis. A riser is releasably coupled to the riser bore. The long forming tool is substantially similar to the short forming tool. The elongate body, however, is longer than the short forming tool and includes two riser bores. A riser is releasably coupled to each respective riser bore.