A wall structure and a method for forming a wall structure is provided using three-dimensional printing of extruded building material applied to a surface of a building structure. According to one embodiment, the wall structure includes a pair of outer wythes spaced from an inner wythe. The outer wythes can include a core extending between the pair of outer wythes and toward the inner wythe. A protrusion can also extend toward the inner wythe a spaced distance from the inner wythe or entirely toward and adjoining the inner wythe. The core is configured with an inwardly facing spaced opposed surfaces of the outer wythes surrounding a vertically extending rebar, with grout surrounding that rebar. Horizontally extending support pins can be spaced parallel from each other and extend from the protrusions and into the inner wythe.

A wall structure and a method for forming a wall structure is provided using three-dimensional printing of extruded building material applied to a surface of a building structure. According to one embodiment, the wall structure includes a pair of outer wythes spaced from an inner wythe. The outer wythes can include a core extending between the pair of outer wythes and toward the inner wythe. A protrusion can also extend toward the inner wythe a spaced distance from the inner wythe or entirely toward and adjoining the inner wythe. The core is configured with an inwardly facing spaced opposed surfaces of the outer wythes surrounding a vertically extending rebar, with grout surrounding that rebar. Horizontally extending support pins can be spaced parallel from each other and extend from the protrusions and into the inner wythe.

A mobile 3D printing device, system and method based on the addition of material intended to be attached to a lifting device with a single lifting cable or chain, including a printing head adapted to receive material and depositing it; fixing means adapted to link the printing head to the lifting device, and stabilization means adapted to stabilize the position of the printing head by a gyroscopic effect. The printing device enables the control of the printing of a structure to be printed, in particular the position of the printing head, to reduce the labor costs and the time to install such a device on a standard crane provided with a hook.

A mobile 3D printing device, system and method based on the addition of material intended to be attached to a lifting device with a single lifting cable or chain, including a printing head adapted to receive material and depositing it; fixing means adapted to link the printing head to the lifting device, and stabilization means adapted to stabilize the position of the printing head by a gyroscopic effect. The printing device enables the control of the printing of a structure to be printed, in particular the position of the printing head, to reduce the labor costs and the time to install such a device on a standard crane provided with a hook.

Disclosed herewith a modular integrated building and a construction method thereof. The building comprises multiple prefabricated room units (1). A bottom of a load-bearing structure of the prefabricated room unit (1) is provided with a semi-prefabricated connecting port (2). Reinforcing bars arranged at a top of the prefabricated room unit (1) of a next floor are inserted in the connecting port (2) and thus connected with reinforcing bars arranged therein, so that the prefabricated room units (1) of two adjacent floors are connected with each other through in-situ casting concrete in the connecting port (2). A cast-in-situ concrete interlayer (3) is arranged on a top plate (11) of the prefabricated room unit (1) of a next floor, for connecting adjacent prefabricated room units (1) of a same floor together.

Disclosed herewith a modular integrated building and a construction method thereof. The building comprises multiple prefabricated room units (1). A bottom of a load-bearing structure of the prefabricated room unit (1) is provided with a semi-prefabricated connecting port (2). Reinforcing bars arranged at a top of the prefabricated room unit (1) of a next floor are inserted in the connecting port (2) and thus connected with reinforcing bars arranged therein, so that the prefabricated room units (1) of two adjacent floors are connected with each other through in-situ casting concrete in the connecting port (2). A cast-in-situ concrete interlayer (3) is arranged on a top plate (11) of the prefabricated room unit (1) of a next floor, for connecting adjacent prefabricated room units (1) of a same floor together.

The invention comprises a product. The product comprises a first removable concrete form having a concrete forming face and a first insulating panel insert having a first primary surface and an opposite second primary surface, wherein the second primary surface of the first insulating panel insert contacts the concrete forming face of the first removable concrete form. The product also comprises an elongate anchor member having an enlarged portion and an elongate portion, the elongate portion having a first end and an opposite second end, wherein the enlarged portion is disposed adjacent the first end and contacts the second primary surface of the first insulating panel insert and wherein the elongate portion extends through the first insulating panel insert and extends outwardly from the first primary surface of the first insulating panel insert. A method of using a removable insulated concrete form system is also disclosed.

A method for construction using a panel and plank system that may optionally be made of Aerated Autoclaved Concrete (AAC), wherein wall panels are delivered, erected and attached to structural forms and braced with properly designed shoring/struts with form ties and specifically designed “panel ties”. Intermediate bracing is installed at midspan locations where spans are short and there is a possibility of wall buckling. Floor/roof planks are set on top of the walls being cognizant of bearing surface requirements. The deformed and post-tension reinforcing steel is set/installed and any miscellaneous detailing is completed. Thin AAC panels can be installed as form liners for added insulation where dimensions accommodate them. Structural grout or small aggregate concrete is placed, consolidated/vibrated, and finished and allowed to cure to minimum required strengths. Roof pours are given a “crown” to allow proper drainage.

The present invention enables real-time, automated monitoring and measurement of 3D printed concrete quality during an additive manufacturing process. The method continuously measures electrical impedance of the fresh concrete during the printing process, using electrodes automatically carried by the printing head at the same time as concrete printing proceeds. The real-time measured impedance, resistance, or capacitance curves as a function of printing time, printing path and printing location represent the fingerprint of the 3D printed concrete product being additively manufactured. The fingerprint contains essential information on the printing quality change with time and along the printing path, allowing the real-time detection of location and severity of imperfections. It also enables monitoring and quantifying concrete strength development during 3D printing. Furthermore, it allows closed-loop control to assure the printing quality through real-time adjustment and corrections of the printing parameters.

The present invention enables real-time, automated monitoring and measurement of 3D printed concrete quality during an additive manufacturing process. The method continuously measures electrical impedance of the fresh concrete during the printing process, using electrodes automatically carried by the printing head at the same time as concrete printing proceeds. The real-time measured impedance, resistance, or capacitance curves as a function of printing time, printing path and printing location represent the fingerprint of the 3D printed concrete product being additively manufactured. The fingerprint contains essential information on the printing quality change with time and along the printing path, allowing the real-time detection of location and severity of imperfections. It also enables monitoring and quantifying concrete strength development during 3D printing. Furthermore, it allows closed-loop control to assure the printing quality through real-time adjustment and corrections of the printing parameters.