Provided are an anchor pin for placing shotcrete and fixing a textile grid and a method of constructing textile grid reinforced shotcrete using the same, wherein the anchor pin allows a textile grid reinforcement to be precisely disposed at a required position and, when shotcrete is placed, prevents a textile grid reinforcement from moving due to a driving pressure for precise construction so as to increase durability and safety of the concrete structure, allows primary and secondary shotcrete to be constructed while placing thicknesses thereof are visually checked so as to increase precision of construction, and allows the textile grid reinforcement to be disposed and fixed to accurately correspond to a shape of the concrete structure even when a lower portion of a slab, a wall, and a structure with a curved surface, such as a lining of a tunnel, are built.

A reinforcing bar joint includes: cylindrical bodies each including an inner surface including a female thread part; joint members each including one end portion including a joint male thread part; and a connecting member configured to connect a pair of the joint members which face each other, such that the pair of the joint members are allowed to move in the longitudinal direction and in an orthogonal direction to the longitudinal direction. Each of the cylindrical bodies includes one end portion configured to threadedly engage with a reinforcing bar male thread part at an end portion of one of reinforcing bars, and the other end portion configured to threadedly engage with the joint male thread part at the one end portion of a corresponding one of the joint members.

A reinforcing bar joint includes: cylindrical bodies each including an inner surface including a female thread part; joint members each including one end portion including a joint male thread part; and a connecting member configured to connect a pair of the joint members which face each other, such that the pair of the joint members are allowed to move in the longitudinal direction and in an orthogonal direction to the longitudinal direction. Each of the cylindrical bodies includes one end portion configured to threadedly engage with a reinforcing bar male thread part at an end portion of one of reinforcing bars, and the other end portion configured to threadedly engage with the joint male thread part at the one end portion of a corresponding one of the joint members.

The present invention provides a prefabricated floor panel system used in stay in place formwork for pouring concrete floors. The prefabricated floor panel system includes a top and has walls depending downwardly at an upper lateral edge of the wall from each outermost lateral edge of the top, a lower lateral edge of each wall having a ledge extending outwardly away from the top. A first ledge of one prefabricated floor panel system is capable of overlying another ledge of an adjacent prefabricated floor panel system to allow for the one prefabricated floor panel system to be joined to the adjacent prefabricated floor panel system to form a channel. The first ledge of the prefabricated floor panel system is provided with a reinforcing bar spaced away from the wall and the first ledge of the prefabricated floor panel system, the reinforcing bar being supported by a plurality of a reinforcing bar chairs spaced along the length of the prefabricated panel system, the reinforcing bar chairs being attached to the first ledge or wall such that there are no significant interfering structures projecting from a lower surface of the first ledge. The other ledge of the prefabricated floor panel system is free of interfering structures above the ledge to allow the first ledge of one prefabricated floor panel system to overlie the other ledge of an adjacent prefabricated floor panel system to allow for the one prefabricated floor panel system to be joined to the adjacent prefabricated floor panel system to form a channel.

The present invention provides a fixture with which a plurality of grids can be definitely constructed in a short period of time even by an inexperienced worker without causing the worker to do heavy work. In substantially center positions in the lengthwise direction of bottom portions of first frame members, a pair of third frame members included in connecting means are provided. In the third frame member, a base portion is caused to stand on a bottom portion of the first frame member. One of arms of a U-shape of the base portion works as a holding portion included in the connecting means, and the end of the holding portion is bent inward of the base portion to form a connection bent portion having a function to engage with a circumferential surface of a vertical wire material or a lateral wire material of a second welded wire mesh, and a function to prevent the vertical wire material or the lateral wire material of the second welded wire mesh from coming off from the connecting means.

A continuous length of spring-steel material of a substantially round cross-section formed with a bent section comprising a radius corresponding to an outer diameter of the pipe. A hook section is combined at one end of the continuous length of spring-steel material where the hook is formed to grab one of the wires of the cage to hold the pipe in position. A lateral leg is positioned at the other end of the continuous length of spring-steel material and is formed to grab another one of the wires of the cage to the hold the pipe in position.

A continuous length of spring-steel material of a substantially round cross-section formed with a bent section comprising a radius corresponding to an outer diameter of the pipe. A hook section is combined at one end of the continuous length of spring-steel material where the hook is formed to grab one of the wires of the cage to hold the pipe in position. A lateral leg is positioned at the other end of the continuous length of spring-steel material and is formed to grab another one of the wires of the cage to the hold the pipe in position.

A composite stud wall panel assembly, which can be used alone as a blast panel or as a module for wall or roof structures, comprises a frame including a plurality of spaced apart metal studs and metal crossbars interconnecting the studs; and a cementitious aggregate panel, one side of the metal studs being embedded in and permanently connected to the panel along the length of the studs.

A composite stud wall panel assembly, which can be used alone as a blast panel or as a module for wall or roof structures, comprises a frame including a plurality of spaced apart metal studs and metal crossbars interconnecting the studs; and a cementitious aggregate panel, one side of the metal studs being embedded in and permanently connected to the panel along the length of the studs.

A permanent spacing beam for the rapid deployment of roofing trusses on site. Such permanent spacing beams and truss ties as described may utilize a mount end, a retention end, and an elongate portion which spans the distance between the mount end and the retention end. The mount end may have a mount slot and the retention end may have a retention slot. The mount slot and the retention slot may be configured to permanently couple and mount to a first truss timber stud and an adjacent truss timber stud used in residential and commercial roof construction. Such a configuration results in a permanent truss tie being spanned between two roofing trusses thereby creating a more robust and sturdy roof construction.