Readily joining CLT panels to obtain a box-shaped building unit. An orthogonal part of each surface of a rectangular parallelepiped has a structure wherein a surface of edge of lumber 11s of a CLT panel 11 is made abut on an inner main surface 10i of a CLT panel 10 and joined thereto by a joining member 2 so that a surface of edge of lumber 10s of the CLT panel 10 and an outer main surface 11o of the CLT panel 11 are flush. A joining part by the joining member 2 has a structure wherein the surface of edge of lumber 10s and the inner main surface 10i and outer main surface 10o of the CLT panel 10 are opened so that the outer main surface 10o side is wider than the inner main surface 10i side, the surface of edge of lumber 11s and at least the outer main surface 11o of the CLT panel 11 are opened so that the inner side of the CLT panel 11 is wider than the surface of edge of lumber 11s side, and the butterfly joint-shaped joining member 2 is inserted into the opening of the CLT panel 10 and the opening of the CLT panel 11 from the surface of edge of lumber 10s of the CLT panel 10 and the outer main surface 11o of the CLT panel 11 side.

Provided herewith is a system for assembling a temporary structure using a plurality of separate members. A first member has ends at opposite sides of an elongated body portion, with notches on the top and bottom sides of each end. A second member has ends with notches formed on opposite between the ends. These notches enable the first and second members to engage with other such separate members. A third member has a triangular shape that functions as a roof truss with opposing sloped surfaces and an underside. A pair of truss notches is formed at positions corresponding to the notches of the first member, for each engaging with one of the plurality of separate members. The third member also includes feature hooks, formed on the sloped surfaces, for engaging with a fourth member defined by a planar roofing material having a plurality of holes.

A process for fabricating a unitized structure comprises creating a multilayer structure by applying a flame-retardant resin to a first layer and stacking, on the first layer, an intermediate layer comprising a honeycomb structure. Further, a second layer is stacked on the intermediate layer and the flame-retardant resin is applied to the second layer. The multilayer structure is then heated to a desired temperature and a pressure is applied about the multilayer structure for a predetermined process time. Moreover, the flame-retardant resin is prevented from entering spaces of the honeycomb structure. After elapse of the predetermined process time, the pressure is released, creating the unitized structure.

A prefabricated wall panel defines a panel plane and a peripheral edge includes a plurality of material layers parallel to the panel plane and superimposed on one another, including a load-bearing layer made of reinforced cement, a protective layer distanced from the load-bearing layer, and a heat-insulating layer formed on a side of the load-bearing layer opposite to the protective layer. An air circulation gap is formed between two layers of the material layers so as to separate the two layers from each other. The air circulation gap is open on the entire peripheral edge. A plurality of spacer connectors extends in a direction transversal to the panel plane through the air circulation gap, each spacer connector having a first anchoring end fixed in the protective layer and a second anchoring end fixed in the load-bearing layer.

A magnetic attraction connection structure includes a main body. The main body has a peripheral edge on which at least one connection surface is defined. The main body is provided with at least one movement space in an interior of the peripheral edge at one side of the connection surface. The movement space is provided with a magnet arranged in an interior thereof. The movement space is of a size that is sufficient to allow the magnet to move in a direction toward the connection surface or to rotate by an angle. In use, the connection surface of the main body is placed in direct contact with another main body at the location corresponding to the magnets, such that the magnets arranged in the two movement spaces automatically move or rotate due to magnetic attraction of opposite magnetic polarities, so as to securely fix the main bodies together.

Floor-ceiling drag anchors are provided for a building that includes load bearing walls that are able to withstand vertical loads and lateral loads. The building may be a low-rise building or a mid-rise building. The floor-ceiling drag anchors, in fastened cooperation with floor-ceiling panels, load bearing walls, and floor-ceiling corridor panels, transmit forces, in particular drag forces, across longitudinal and lateral directions of the building.

A magnetic attraction connection structure includes a main body. The main body has a peripheral edge on which at least one connection surface is defined. The main body is provided with at least one movement space in an interior of the peripheral edge at one side of the connection surface. The movement space is provided with a magnet arranged in an interior thereof. The movement space is of a size that is sufficient to allow the magnet to move in a direction toward the connection surface or to rotate by an angle. In use, the connection surface of the main body is placed in direct contact with another main body at the location corresponding to the magnets, such that the magnets arranged in the two movement spaces automatically move or rotate due to magnetic attraction of opposite magnetic polarities, so as to securely fix the main bodies together.

A precast building material contains a substrate, a peripheral frame, a metal reinforcement unit, and a concrete layer. The substrate is in a parallelogram shape. The peripheral frame is mounted around the substrate so that an accommodation chamber is defined between the peripheral frame and the substrate. The peripheral frame includes multiple first connection rails having at least one first slot, multiple second connection rails having at least one second slot, multiple first engagement portions, and multiple second engagement portions. The respective first connection rail has multiple first locking orifices, and the respective second connection rail has multiple second locking orifices. The metal reinforcement unit is fixed in the accommodation chamber and includes multiple rebars. The concrete layer paving the accommodation chamber, and the concrete layer is connected with the peripheral frame and the metal reinforcement unit and is removable from the substrate.

Structural Panel Chase Connection Manufacture Methods are the embedded frame solution to the problems associated with providing access for services, such as plumbing or electrical chases with high precision and accuracy. Connecting two or more panels in any direction using the embedded frame method becomes easy yet incredibly strong without requiring special tools for assembly or disassembly, so that components can be flat packed and stored when not in use. Flexible and variable these Structural Panel Chase Connection Manufacture Methods can accommodate a wide variety of dimensional configuration, not limited to only panel, post and beam configurations and can be manufactured using any available flat building materials.

Readily joining CLT panels to obtain a box-shaped building unit.

An orthogonal part of each surface of a rectangular parallelepiped has a structure wherein a surface of edge of lumber 11s of a CLT panel 11 is made abut on an inner main surface 10i of a CLT panel 10 and joined thereto by a joining member 2 so that a surface of edge of lumber 10s of the CLT panel 10 and an outer main surface 11o of the CLT panel 11 are flush. A joining part by the joining member 2 has a structure wherein the surface of edge of lumber 10s and the inner main surface 10i and outer main surface 10o of the CLT panel 10 are opened so that the outer main surface 10o side is wider than the inner main surface 10i side, the surface of edge of lumber 11s and at least the outer main surface 11o of the CLT panel 11 are opened so that the inner side of the CLT panel 11 is wider than the surface of edge of lumber 11s side, and the butterfly joint-shaped joining member 2 is inserted into the opening of the CLT panel 10 and the opening of the CLT panel 11 from the surface of edge of lumber 10s of the CLT panel 10 and the outer main surface 11o of the CLT panel 11 side.