JPH03144073A - Reinforcing bar arranging method for reinforced concrete structure - Google Patents

Abstract

PURPOSE:To facilitate arrangement of reinforcing bars by a method wherein sheets are arranged at a connection part between latticeform reinforcing bar units erected in parallel along the two units, and a connection part reinforcing bar unit is inserted therebetween. CONSTITUTION:Sheets 7 and 8 in an L-shape in cross section are arranged at the corner of connection between latticeform reinforcing bar units 4a and 4b erected in parallel on a foundation 5 along the reinforcing units 4a and 4b. A connection part reinforcing bar unit 6 in an L-shape in cross section is inserted between the L-shaped sheets 7 and 8. Thereafter, the sheets 7 and 8 are pulled off, and concrete is placed. During insertion of the connection part reinforcing bar unit 6, the connection part reinforcing bar unit is prevented from being hooked by other units 4a and 4b. This constitution improves the efficiency of a reinforcing bar arranging work.

Description

DETAILED DESCRIPTION OF THE INVENTION [Industrial Application Field] The present invention relates to reinforced concrete structures, and particularly relates to a method of arranging reinforcement by removing reinforcement from between reinforcing bar units to facilitate the arrangement of reinforcement.

[Conventional technology] Conventionally, when constructing a reinforced concrete structure, for example, when pouring foundation concrete, a plurality of vertical reinforcements were planted in the foundation concrete, and these vertical reinforcements were connected. , a plurality of horizontal stripes are arranged perpendicularly by means such as welding to form a lattice shape, and then, at the corner where the walls intersect, or at the connecting portion of the walls,
Corner reinforcing bars (vertical bars) are placed in the foundation concrete at intervals narrower than the vertical bars on the wall side, and then,
Reinforcement was performed by connecting these corner reinforcing bars to the transverse reinforcement.

[Problems to be Solved by the Invention] However, in the conventional technology, the work of arranging the transverse reinforcements and splint reinforcements had to be carried out on-site, so there was a problem that the work on-site was complicated and time-consuming. .

Therefore, it has been considered to simplify the on-site work by unitizing the reinforcement arrangement, but it is possible to unitize the reinforcement arrangement in the straight parts of the wall, but the connection of parts such as I'71 Even if the parts are made into units, the work of connecting the straight parts and the connecting parts still requires connecting the two splints with the straight parts by welding or binding wires, and the installation work is complicated. The problem was that it took time.

The present invention has been made in view of the above circumstances, and an object thereof is to provide a method for arranging reinforcement by removing the reinforcement from between reinforcing bar units, which allows reinforcement work to be performed easily and in a short period of time.

[Method P for Solving the Problems] This invention provides an inner reinforcing bar unit and an outer reinforcing bar unit formed in a lattice shape each consisting of vertical bars and horizontal bars,
The walls in each direction are erected in parallel with each other at predetermined intervals on the foundation on which the walls are erected, and at the connecting parts of the walls at the ends of these reinforcing bars, there are vertical reinforcements and these vertical reinforcements. Reinforcement method for reinforced concrete structures that connects the reinforcing bars between walls by inserting a joint unit consisting of splint reinforcement between the inner reinforcing bar unit and the outer reinforcing bar unit between the walls in each direction. The joint unit is dropped between each outer reinforcing bar unit and inner reinforcing bar unit at the connecting portion between the walls through a thin plate-like plate that follows each outer reinforcing bar unit and inner reinforcing bar unit. Then, remove only the plate material from between the joint unit, the outer reinforcing bar unit, and the inner reinforcing bar unit, and remove the outer reinforcing bar unit and the inner reinforcing bar unit.

[Function] According to the reinforcing bar arrangement method according to the present invention, the reinforcing bar arrangement work at the site involves the erection of the outer reinforcing bar unit and the inner reinforcing bar unit, and the end portions of the outer reinforcing bar unit and the inner reinforcing bar unit. All you have to do is drop the joint unit into that space, and when dropping it in,
Since the joint unit is dropped between the outer reinforcing bar unit and the inner reinforcing bar unit using a thin plate material, the coupling unit can be dropped smoothly without being caught between the inner reinforcing bar unit and the outer I11 reinforcing bar unit.

[Example 1] Hereinafter, an example of a method for constructing a reinforced concrete structure in which the reinforcing bar arrangement method according to the present invention is applied will be described in accordance with the construction order with reference to FIGS. 1 to 8. do.

(1) Construction process of the foundation and floor, and erection process of the wall reinforcing bar unit First, as shown in Figure 1, the ground is dug down to the thickness of the floor, and the wall foundation around the floor is formed. Dig the area lower than the floor.

Then, a wall-floor continuous spinning unit 2 is disposed around the floor portion 1.1 dug low.

This wall-floor connection unit 2 is arranged between two parallel bottom reinforcements 2a, 2a, a parallel top reinforcement 2b and 2b, and the top reinforcement 2b and bottom reinforcement 2a. Abdominal muscles 2 c, 2 c, and strap muscles 2 d that connect these,
2 A rectangular parallelepiped-shaped cage muscle consisting of d...
The floor reinforcing bars 2e connected to the reinforcing bars on the floor are the upper end reinforcing bars 2b.

2b or abdominal muscles 2c, 2c are arranged so as to protrude horizontally so as to pass over them, and wall joint reinforcements 2f, 2'' connected to the reinforcing bars of the wall are connected to the upper end reinforcements 2b1 the abdominal muscles 2C and the lower end reinforcements 2a. It is connected to and arranged to protrude in the vertical direction.

Floor reinforcements 2e, 2e... have a two-stage configuration of upper end reinforcements and lower end reinforcements, and wall joint reinforcements 2f, 2e...
f... is composed of the medial muscle and the lateral muscle.

Next, as shown in FIG. 2, the floor hand muscles 2 e, 2 e
Upper and lower floor reinforcing bars units formed in a grid pattern 3.3
... are connected by welding or using joint members, etc., and the wall reinforcing bar units 4.4 are connected.

Then, when concrete is poured and the foundation and floor are integrally formed, wall reinforcement units 4 and 4 are placed on the foundation 5 on which each wall will be constructed, as shown in FIG.
will be erected respectively.

(11) Wall construction process The wall reinforcing bar unit 4゜4 arranged as described above consists of an inner reinforcing bar unit 4a and an outer reinforcing bar unit 4b, respectively, as shown in FIG. and horizontal reinforcements B, and as mentioned above, the lower ends of the vertical reinforcements are connected to the wall joint reinforcements 2e and 2e of the floor-wall joint unit 2 marked 117j, and The inner (1111) reinforcing bar unit 4a and the outer reinforcing bar unit 4b are erected in parallel with a predetermined interval.

Then, as shown in FIG. 4, the inner reinforcing bar unit 4a and the outer reinforcing bar unit of the wall reinforcing bar units 4. A joint unit 6 previously formed in an L-shape having arm muscles inserted between the joint unit 4b and the joint unit 4b is disposed.

This joint unit 6 includes a plurality of vertical bars 6a, 6a,
... are connected alternately by L-shaped splints 6b, 6c, etc. to form a three-dimensional L-shape.

When inserting this joint unit 6 between the inner reinforcing bar unit 4a and the outer reinforcing bar unit 4b of the wall, as shown in FIG. The steel plate 7 of
11, insert the wall reinforcing bar unit 4.4.
Inner reinforcing bar unit 4a, L and outer reinforcing bar unit 4b
drop it in between.

Then, the steel plate 7.8 is pulled upward, and the joint unit 6 is installed as shown in FIG.

Finally, as shown in Fig. 7, formwork 9 is placed along the inner reinforcing bar unit 5a and outer reinforcing bar unit 5b of the wall, and concrete is poured from above to form the wall as shown in Fig. 8. Form.

According to this method of placing reinforcement between the reinforcing bar units, when arranging reinforcement between walls on site, the inside reinforcing bar unit 4a that is erected on the foundation is
All that is required is to drop the joint unit 6 between the inner reinforcing bar unit h4a and the outer reinforcing bar unit 4b. 6 can be dropped smoothly without getting caught.

In addition, as mentioned above, the floor-wall joint unit 2, floor reinforcing bar unit 3, inner reinforcing bar unit 4a, outer reinforcing bar unit 4bS joint unit 6 are prefabricated in a factory, etc., so the work on site is greatly simplified. , and the construction period can be significantly shortened.

In addition, in the actual * fil above, the reinforcement arrangement at the corner where the wall intersects in a 17-shape (Fig. 10) was explained as an example, but as shown in Figs. The joint reinforcements 10, such as the parts that intersect with each other, the parts that intersect in a T-shape, and the parts that are connected in a straight line, are placed between the 11111 reinforcing bar unit 4a and the outer reinforcing bar unit 4b of the walls in each direction. It may be made into a unit so as to have arm muscles in each direction and inserted using a steel plate in the same manner as above.

[Effects of the Invention] As explained above, according to the reinforcing bar arrangement method according to the present invention, the reinforcing bars between the walls can be arranged in parallel with the joint units. It is only necessary to insert the joint unit between the inner reinforcing bar unit that has been removed and the reinforcing bar unit that is to be removed. It can be dropped smoothly without getting caught. Therefore, there is no need to perform connection work such as welding or binding work at the joints of reinforcing bars, etc., making it possible to simplify the work and significantly shorten the construction period.

[Brief explanation of the drawing]

1 to 8 are perspective views showing one embodiment of the reinforcing bar arrangement method according to the present invention by removing the reinforcing bars from between the reinforcing bar units.
Figure 2 and Figure 2 are perspective views showing the construction process of the foundation and floor, Figure 1 is a perspective view showing the state in which the corner reinforcing bars of the foundation are installed, and Figure 2 is the state in which the floor reinforcing bars are installed. FIGS. 3 to 8 are perspective views showing the construction process of the wall, FIG. 3 is a perspective view showing the outer reinforcing bars and inner reinforcing bars installed, and FIG. 4 is the corner Fig. 5 is a perspective view showing the corner reinforcing bars inserted between the inner reinforcing bars and the outer reinforcing bars via a steel plate, and Fig. 6 shows the corner reinforcing bars inserted between the inner reinforcing bars and the outer reinforcing bars. Figure 7 is a perspective view showing the state in which concrete is being poured, Figure 8 is a perspective view showing the completed wall, and Figures 9 to 12 are respectively This figure shows a plan view of a concrete structure using the square reinforcement of this invention, and FIG. 9 is a plan view showing a connecting part of an L-shaped wall, and FIG. 10 is a plan view of a cross-shaped wall. FIG. 11 is a plan view showing a connecting portion of a linear portion of a wall, and FIG. 12 is a plan view showing a connecting portion of a T-shaped wall. 2... Floor-wall connection unit, 3... Floor reinforcing bar unit, 4... Wall reinforcing bar, 4a... Inner reinforcing bar unit, 4 b...・Outer reinforcing bar unit, ・Foundation, 6... ・Joint unit, 8... Steel plate, ・Formwork.

Claims (1)

[Scope of Claims] An inner reinforcing bar unit and an outer reinforcing bar unit each formed in a lattice shape consisting of vertical bars and horizontal bars are parallel to the foundation on which the walls in each direction are erected at predetermined intervals. A joint unit consisting of a plurality of vertical reinforcements and splint reinforcements that connect these vertical reinforcements is installed at the connecting part between the walls at the ends of these reinforcement bars, and is connected to the inner reinforcement unit between the walls in each direction. A reinforcement arrangement method for a reinforced concrete structure that connects reinforcing bars between wall bodies by inserting them between outer reinforcing bar units, the joint unit being connected to a thin plate-shaped reinforcing bar along each outer reinforcing bar unit and an inner reinforcing bar unit. Reinforcement is placed between each outer reinforcing bar unit and inner reinforcing bar unit at the joint between the walls via a plate, and only the plate is removed from between the joint unit, outer reinforcing bar unit, and inner reinforcing bar unit to complete the reinforcement arrangement. A reinforcement arrangement method for reinforced concrete structures characterized by: