JP2960035B2 - Reinforced braced structure and concrete wall construction method using it - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a reinforcing bar structure and a concrete wall construction method using the same.

[0002]

2. Description of the Related Art FIG. 5 shows a conventional concrete wall construction method for constructing a wall of a building.

In this concrete wall construction method, two form members 21 and 21 made of a so-called control panel are arranged at a predetermined distance from each other, and a form tie (registered trademark) or the like is provided between the pair of form members 21 and 21. By tying the binding material 23, the concrete casting width is defined,
A vertical bar 24 and a horizontal bar 25 are arranged inside, and vertical and horizontal butters (not shown) are arranged around the bar, and then concrete is cast to construct a concrete wall.

In such a concrete wall construction method,
When constructing the wall, the formwork and the reinforced work need to work on the same site. Then, after the formwork is assembled by the formwork, the reinforcement works arrange the reinforcing bars in the vertical and horizontal directions, and preparation for placing concrete is performed.

[0005]

In the construction industry today, the number of skilled craftsmen is decreasing. On the other hand, it is desired to shorten the construction period. For this reason, for example, if the rebar work is not performed immediately after the work of the formwork is completed, there is a problem that the progress of the site is delayed, and the construction period is delayed accordingly.

[0006] Also, the conventional reinforcing work performed by a reinforcing bar is
There was much work to bend down, which required labor. The present invention has been made in view of such circumstances, and even when a reinforcing bar is not present on site, a substitute person can perform a bar arranging operation, and the work can be performed with good workability and without labor. It is an object of the present invention to provide a reinforced braided structure and a concrete wall construction method using the same.

[0007]

In order to achieve the above object, in the present invention, a rebar unit to which rebar members are connected in advance is used.

Then, the rebar unit is carried into the site,
If it is arranged between the form members as it is, the work of the rebar work can be omitted substantially. Therefore, even if there is no skilled rebar technician at the site, anyone can easily perform the work. Further, since the reinforcing bar unit is incorporated in a truss shape, the strength is sufficiently large.

[0009]

Embodiments of the present invention will be described below with reference to the drawings. FIG. 1 shows a reinforcing bar unit used according to an embodiment of the present invention.

In the rebar unit 20, the main bars 1, 2, 3 extending straight are arranged horizontally on the first side with a predetermined spacing therebetween, and the other main bars 6, extending straight, are connected to the second side. Are arranged horizontally.

Further, the main bars 1, 2, 3 on the first side are connected to each other by truss-shaped connecting reinforcing bars 4, 5, which are arranged while bending in a dogleg shape. As a result, a large number of triangles are geometrically formed on a plane formed by connecting the main muscles 1, 2, and 3.

The main reinforcing bar 6 is disposed at a position directly below the main reinforcing bar 2 on the first side, and is connected to the upper main reinforcing bar 2 by connecting reinforcing bars 7 and 8 which are disposed while bending in a V shape. Are linked. Thereby, a large number of triangles are formed between the main muscles 2 and 6. Such connecting rebars 4, 5,
7, 8 are fixed to the main bars 1, 2, 3 and the main bar 6, respectively, by welding.

Here, the resin foam forming the frame member 31 is formed by foaming a synthetic resin such as foamed polystyrene, foamed polyurethane, foamed polyvinyl chloride or foamed polyolefin. The expansion ratio is, for example, 5 to 100 times, preferably 20 to 8 times.
It is about 0 times, and more preferably about 30 to 70 times.

As described above, by forming the form member 31 of a foamed synthetic resin, it is possible to reduce the weight, to provide the form member 31 itself with high heat insulating performance and sound absorbing effect, and to prevent corrosion and reduce costs. Down can be planned.

The reinforcing bar unit 20 formed as described above
As shown in FIG. 2, is set between a pair of mold members 31, 31 made of, for example, a foamed synthetic resin. At this time, in order to prevent the rebar unit 20 from moving between the form members 31, 31, a part of the rebar unit 20 is held by a rebar member 32 rising from a lower foundation or the like, as shown in FIG. Or the form member 3
It may be held by an appropriate separator 33 that is inserted between the first and the first 31. Thereby, the rebar unit 20 can be immovably held in the concrete casting space.

Since the convex and concave portions 35 are alternately formed in two rows on the upper surface and the lower surface of the mold member 31, another mold member 31 is abutted on the upper surface and the lower surface and fixed. And the form member can be extended vertically. Further, since the step portion 36 is formed on the side end surface of the form member 31, the form member 31 can be sequentially extended in the width direction as well as in the vertical direction.

As described above, the form members 31 are arranged in the vertical and horizontal directions, the reinforcing bar unit 20 is set between them, and the vertical and horizontal butters are arranged around the frame members 31. Thus, the preparation for placing concrete is completed. Thereafter, concrete is cast and a predetermined wall can be constructed.

The form member 31 is not limited to a synthetic resin foam, but may be a wooden member such as a control panel. FIG. 4 shows another embodiment of the present invention.

In the reinforcing bar unit 40 according to this embodiment,
On the second side, three main reinforcements 6, 9, 10 are horizontally arranged at predetermined intervals, respectively.
1, 12 are connected. Other parts are formed in the same manner as in the above embodiment.

In the present embodiment, the main bars 6, 9,
Since three of them are arranged, they can be formed substantially vertically symmetrically. According to such a reinforcing bar unit 40, the directional property at the time of setting is lost, so that the workability is further improved. Further, according to the present embodiment, not only the number of connecting reinforcing bars and straight main bars formed in a truss shape is large, but also the strength can be further strengthened by the large number of truss-shaped triangles.

According to the present invention, since the reinforcing member is pre-installed and unitized, there is no need to arrange a main part on site. In addition, since it is only necessary to dispose this unit in the formwork member, it is possible to simplify the reinforcing work on site. In the above-described embodiment, the mold member 31 is formed from a foamed synthetic resin.
It may be formed from wood instead of the synthetic resin foam.

[0022]

As described above, according to the reinforcing bar assembly structure and the concrete wall construction method using the same according to the present invention, a reinforcing bar unit connected in advance is connected to a pair of form members arranged on the site. Anyone can easily arrange the bar because it is good to set it in the middle. Therefore, a skilled worker is not required, and anyone can easily perform the operation. Moreover,
It was clear from the results of the experiments that the strength was sufficiently high.

Further, since a large number of rebar members having the same shape are used, no trouble is required in preparation for processing.

[Brief description of the drawings]

FIG. 1 is a perspective view of a reinforcing bar unit having a reinforcing bar assembly structure according to one embodiment of the present invention.

FIG. 2 is a perspective view of a form member on which the rebar unit shown in FIG. 1 is set.

FIG. 3 is a side view showing a state in which the reinforcing bar unit shown in FIG. 1 is set between the form members of FIG. 2;

FIG. 4 is a perspective view of a reinforcing bar unit having a reinforcing bar assembly structure according to another embodiment of the present invention.

FIG. 5 is a perspective view when casting concrete using a conventional reinforcing bar assembly structure.

[Explanation of symbols]

 1,2,3,6,9,10 Main reinforcement 4,5,7,8,11,12 Connecting rebar 31 Form member

Claims (3)

(57) [Claims] 1. A plurality disposed on a first side with predetermined spacing in the horizontal direction main reinforcement (1), (2), and (3), these main reinforcement (1), (2), (3) (4), (5) connecting at least one main bar (6) arranged on the second side in the horizontal direction, the main bar (2) on the first side, and the main bar (2). A reinforcing bar assembly structure comprising: connecting reinforcing bars (7), (8) for connecting the main reinforcing bar (6) on the second side in a truss shape. 2. A plurality of main reinforcements (1), (2), (3) arranged on a first side at predetermined intervals in a horizontal direction, and these main reinforcements (1), (2), (3). Reinforcing bars (4) and (5) for connecting trusses in a truss-like manner, and a plurality of main reinforcing bars (6), (9) and (1) arranged on the second side with a predetermined horizontal separation therebetween.
0) and the main bars (6), (9), (1) on the second side.
(11), (12)
Connecting rebars (7), (8) for connecting the main bar (2) on the first side and the main bar (6) on the second side in a truss shape.
And a reinforcing bar assembly structure comprising: 3. A method for constructing a concrete wall, comprising setting the reinforcing bar assembly according to claim 1 between a pair of form members facing each other.