JP2583651Y2 - Fixture for axial reinforcement - Google Patents

Description

[Detailed description of the invention]

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a jig used for fixing an end of an axial reinforcing bar when arranging an electrically-curable rope.

[0002]

2. Description of the Related Art Recently, a curable rope obtained by impregnating a carbon fiber bundle with a thermosetting resin has begun to be used as reinforcement for concrete. It is considered that the current-curing rope can be easily bent, and thus its use as a bent reinforcing bar increases.

[0003] Regarding the reinforcement of this electrically-curable rope,
At present, the rope is simply wound around the existing reinforcing bars, and no jigs or the like have been developed yet.

[0004]

When an electrically-curable rope is wound around an axial reinforcing bar and arranged, the unsupported end of the axial-reinforcing bar is bent by the tension applied to the electrically-curable rope. Try to get closer to the center. If left unchecked, the axial reinforcement and the electrically-curable rope will not be arranged at predetermined positions. The present invention is a jig for preventing such a situation.

[0005]

SUMMARY OF THE INVENTION According to the present invention, a plurality of short tubes having an inner diameter larger than the axial reinforcement are rigidly connected so that the directions of the tubes are parallel to each other and all the short tubes are stepped. A fixing jig for an axial reinforcing bar connected to the fixing member.

[0006]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS The present invention will be specifically described below with reference to the drawings.

FIG. 1 shows the jig of the present invention, wherein (a) is an elevation view and (b) is a plan view. A short pipe having an inner diameter slightly larger than the diameter of the axial reinforcement is prepared. 4 short tubes 1A, 1
B, 1C and 1D are parallel to each other, and are rigidly connected to each other by a rod-like body or a plate-like body 2 adjacent thereto. Then, the position of the short pipe is lowest in 1A and higher in the order of 1B and 1C,
Is the highest. Since the jig of the present invention has such a structure, 1A is first attached to the reinforcement 4A, then 1B is attached to the reinforcement 4B, and then 1C is attached to the reinforcement 4C. It can be sequentially attached to each reinforcement. Therefore, the four short pipes are located at the same height, and the mounting is easier than the case where the four short pipes are mounted on the four reinforcing bars at one time. FIG. 1 illustrates a jig having four short tubes and a square plane, but the number and arrangement of the short tubes can be changed according to the number and arrangement of the reinforcing bars in the axial direction.

[0008] The short pipes are connected to each other by welding or screwing steel rods when the short pipe is made of metal, or by screwing or integral molding when the short pipe is made of synthetic resin.

FIG. 2 shows the jig of the present invention mounted on the unsupported ends of the four axial reinforcing bars of the column, and the electrically-curable rope is wound around these four axial reinforcing bars and arranged. It is the perspective view which showed the state. Four axial reinforcing bars 4A, 4B, 4C, 4D
Is buried and fixed in the foundation concrete 5, but the upper part is not supported. These four axial reinforcing bars 4A,
When the jig of the present invention is mounted on the short tubes 1A, 1B, 1C, and 1D on the 4B, 4C, and 4D, four axial reinforcing bars 4A,
The upper portions of 4B, 4C, and 4D are supported by each other, and do not gather toward the center even when the electrically-curable rope is spirally wound. Thereafter, the electrically-curable rope 6 is spirally wound around the four axial reinforcing bars 4A, 4B, 4C, 4D and arranged.

In the winding arrangement of the electrically-curable rope 6, the rope 6 may be wound around the reinforcing bar as it is, but a jig (not shown) for rope guiding is attached to the reinforcing bar. It is preferable to wind according to the guidance.

In order to mount the jig of the present invention at a predetermined position of the axial reinforcing bar, a jig (not shown) is attached to a predetermined position of the axial reinforcing bar 4A, and the lower end of the short pipe 1A is attached to the jig. A usual method such as a method of stopping with a jig or a method in which a screw hole 3 is provided in a short pipe and a short pipe is screwed to an axial reinforcing bar is adopted.

FIG. 2 shows an example in which the jig of the present invention is mounted on the unsupported end of the axial reinforcing bar of the column. However, the axial reinforcing bar is laterally arranged like a beam. However, the same effect can be obtained by being similarly attached to the unsupported end.

[0013]

[Effects of the Invention] By attaching the jig of the present invention to the axial reinforcing bars, it is possible to prevent the unsupported ends of the axial reinforcing bars from gathering toward the center when arranging the electrically-curable rope. Thus, it is possible to arrange the reinforcement in the axial direction and the electrically-curable rope according to the design.

[Brief description of the drawings]

FIG. 1 shows a jig of the present invention, wherein (a) and (b) are an elevation view and a plan view, respectively.

FIG. 2 is a perspective view in which the jig of the present invention is attached to an axial reinforcing bar of a column, and an electrically-curable rope is wound thereon.

[Explanation of symbols]

1A, 1B, 1C, 1D ··· Short tube, 2 ·· Connection rod, 3 ·
・ Screw holes, 4A, 4B, 4C, 4D
5 · · · foundation concrete, 6 · · · electric curable rope.

Continued on the front page (58) Fields surveyed (Int.Cl. ⁶ , DB name) E04C 5/07 E04C 5/06 E04C 5/18 E04G 21/12

Claims (1)

(57) [Scope of request for utility model registration] 1. An axial reinforcement comprising a plurality of short tubes having an inner diameter larger than the axial reinforcing bars, the directions of the tubes being parallel to each other, and each of the short tubes being rigidly connected so as to be all stepped. Muscle fixing jig