A turnbuckle-style support strut with tunable stiffness, wherein the turnbuckle-style support strut uses opposing stacks comprised of one or more Belleville spring washers to provide the tunable stiffness to support a given application.

A turnbuckle-style support strut with tunable stiffness, wherein the turnbuckle-style support strut uses opposing stacks comprised of one or more Belleville spring washers to provide the tunable stiffness to support a given application.

A telescopic edge protection post arrangeable between a floor and a ceiling, comprising outer and inner tubes, each comprising a bottom end and a top end, the inner tube extending into the outer tube and being movable with respect thereto between an extended position and a collapsed position. The post further comprises a locking mechanism to lock the inner tube with respect to the outer tube in the extended position, and a tensioning unit arranged at the top end of the inner tube. The tensioning unit comprises a tensioning element having a primary and secondary tensioning portions, wherein tensioning of the secondary tensioning portion requires a lower force than the primary tensioning portion, allowing tensioning of the secondary tensioning portion by extending the telescopic edge protection post by hand into engagement with the floor and the ceiling. Further, the primary and secondary tensioning portions each comprise a compression spring.

A telescopic edge protection post arrangeable between a floor and a ceiling, comprising outer and inner tubes, each comprising a bottom end and a top end, the inner tube extending into the outer tube and being movable with respect thereto between an extended position and a collapsed position. The post further comprises a locking mechanism to lock the inner tube with respect to the outer tube in the extended position, and a tensioning unit arranged at the top end of the inner tube. The tensioning unit comprises a tensioning element having a primary and secondary tensioning portions, wherein tensioning of the secondary tensioning portion requires a lower force than the primary tensioning portion, allowing tensioning of the secondary tensioning portion by extending the telescopic edge protection post by hand into engagement with the floor and the ceiling. Further, the primary and secondary tensioning portions each comprise a compression spring.

A formwork system includes (a) a wallform panel for forming a wall portion; and (b) at least one brace assembly including a pair of vertically spaced apart props pivotably connected to the wallform panel for pivoting of the brace assembly relative to the wallform panel between a storage position, in which the brace assembly lies adjacent the wallform panel, and a deployed position, in which the brace assembly projects from the wallform panel for anchoring the props to a ground surface through a common base plate connected to each prop.

A formwork system includes (a) a wallform panel for forming a wall portion; and (b) at least one brace assembly including a pair of vertically spaced apart props pivotably connected to the wallform panel for pivoting of the brace assembly relative to the wallform panel between a storage position, in which the brace assembly lies adjacent the wallform panel, and a deployed position, in which the brace assembly projects from the wallform panel for anchoring the props to a ground surface through a common base plate connected to each prop.

An apparatus for an entryway includes: a sheet of material having a top, a bottom, a left side, and a right side, and a sleeve at the top of the sheet of material. The sheet of material has an opening extending to the bottom of the sheet of material between the left side and the right side of the sheet of material from a position below the sleeve. The opening has a left seam and a right seam, wherein a first magnet is positioned at the left seam of the opening and a second magnet is positioned at the right seam of the opening, wherein the first and second magnets are magnetically coupled. A variable-length cross member has a first end and a second end. The cross member is positioned in the sleeve and includes a first securing mechanism at the first end and a second securing mechanism at the second end that secure the cross member respectively to body portions of a first vertical pole and a second vertical pole.

An apparatus for an entryway includes: a sheet of material having a top, a bottom, a left side, and a right side, and a sleeve at the top of the sheet of material. The sheet of material has an opening extending to the bottom of the sheet of material between the left side and the right side of the sheet of material from a position below the sleeve. The opening has a left seam and a right seam, wherein a first magnet is positioned at the left seam of the opening and a second magnet is positioned at the right seam of the opening, wherein the first and second magnets are magnetically coupled. A variable-length cross member has a first end and a second end. The cross member is positioned in the sleeve and includes a first securing mechanism at the first end and a second securing mechanism at the second end that secure the cross member respectively to body portions of a first vertical pole and a second vertical pole.

A prefabricated wall for a prefabricated building includes a concrete body and a rigid framework arranged inside the poured concrete body, the rigid framework comprises n longitudinally extending vertical rebars, with n being an integer greater than or equal to three; an upper end face and a lower end face of the prefabricated wall are formed with m mechanical connection portions at positions sharing the same axes as the vertical rebars, with m being an integer less than or equal to 2n; and the mechanical connection portions are all formed at end portions of the vertical rebars. An assembly structure for a prefabricated building is further provided. The assembly structure is formed by filling an assembly gap with an on-site poured layer after rebars are firmly connected at an overhead region between an upper-layer wall, a lower-layer wall and a floor slab by means of fastening components.

A formwork system includes (a) a wallform panel for forming a wall portion; and (b) at least one brace assembly including a pair of vertically spaced apart props pivotably connected to the wallform panel for pivoting of the brace assembly relative to the wallform panel between a storage position, in which the brace assembly lies adjacent the wallform panel, and a deployed position, in which the brace assembly projects from the wallform panel for anchoring the props to a ground surface through a common base plate connected to each prop.