JPH06322984A - Concrete casting method - Google Patents

Abstract

PURPOSE:To prevent concrete separation and cast concrete easily by boring a flow-out hole on the peripheral surface 'A' of a concrete casting pipe in spiral shape and mounting the concrete casting pipe to a post, wall reinforcing bars or structural steel and casting concrete to urn or a wall at a high floor-to- floor height. CONSTITUTION:In the case when concrete is cast to a column at a high floor-to- floor height, a concrete casting pipe 1 is mounted to a tie plate of a structural steel column with a wire. A casting hose is connected to the pipe 1 and concrete is arranged to flow out from an opening 4 of the pipe or a flow out hole 2 so that concrete may be cast in a form. Then, after concrete is cast close to the upper part of the pipe 1, the hose is removed from the pipe 1 and a column at a high floor-to-floor height is placed in a state in which the pipe 1 is left in place.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a concrete pouring method.

[0002]

2. Description of the Related Art Generally, when placing concrete on a high-rise pillar or wall, there is a method of placing it in two steps to prevent the concrete from separating, but this method requires days and labor. For this reason, as shown in FIG. 4, a method is used in which the concrete injection port 20 is provided in the formwork 10 and the concrete injection port 20 is introduced from there. In addition to this, a method of driving by using a so-called sunny hose is also adopted.

[0003]

However, the method of providing the concrete input port on the formwork as described above has a problem that the concrete input port has to be purposefully provided, and the repair thereof is troublesome. . Furthermore, when using a sunny hose, it is necessary to pull it out after placing it,
There was also the problem that concrete often clogs. The present invention has been made in view of such a problem, and an object thereof is to easily pour concrete without separating and without trouble.

[0004]

The concrete pouring method of the present invention for achieving the above object is a concrete pouring method for a pillar or a wall having a high floor height, in which an outflow hole is formed on the peripheral surface. It consists in attaching a casting pipe opened in a spiral shape to a reinforcing bar or a steel frame of a pillar or a wall, and placing concrete through the casting pipe.

[0005]

[Operation] When concrete is placed through a placing pipe attached to a reinforcing bar or a steel frame of a pillar or wall before placing concrete, the placed concrete flows out from the outflow hole of the pipe and is placed. Even if the floor height is high, the concrete will be placed without separation and the pipe will be buried, so it will not take much time.

[0006]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS An embodiment of the concrete pouring method according to the present invention will be described in detail below with reference to the drawings. Figure 1 shows a pipe for pouring 1 used in this concrete pouring method.
The diameter is 12.5 cm and the length is 50 cm.
Use a moderate winding pipe. This pipe 1
An outflow hole 2 with a diameter of 5 cm is spirally opened on the peripheral surface of
A reinforcing plate 5 is welded to the upper and lower openings 3 and 4. The casting pipe 1 is not limited to the above-mentioned winding pipe, but may be a thin steel pipe or a synthetic resin pipe.

Next, a concrete pouring method using the pouring pipe will be described. 1 (1) is a side view in which a casting pipe 1 is attached to a steel frame 6 of a pillar having a high floor height, and (2) is a plan view thereof. In this case, when concrete is placed on a pillar having a high floor height, the placing pipe 1 is attached to the tie plate 6a of the steel column 6 with a numbered wire or the like.

When a hose 7 for placing is connected to the placing pipe 1 and concrete 8 is placed therein, the concrete 8 flows out from the opening 4 and the outflow hole 2 at the lower portion of the pipe and enters the formwork. It is cast. Then, when the concrete 8 is placed near the upper portion of the placing pipe 1, the placing hose 7 is pulled out from the pipe 1 and placed, whereby the placing pipe 1 is buried. Piles with a high floor can be placed.

A plurality of the casting pipes 1 can be installed according to the size of the pillar or the wall, and the length thereof can be appropriately changed according to the height of the pillar or the wall. Further, the diameter of the pipe and the diameter of the outflow hole can be arbitrarily set according to the above conditions.

[0010]

[Effect of the Invention] When pouring concrete on a high-floor pillar or the like, since concrete reaches the bottom without separating through the pipe, compact concrete without junkers or bean boards can be poured.

Since it is possible to place concrete in a state where the pipe is buried, it does not require repair costs and labor,
Concrete can be poured economically and easily.

[Brief description of drawings]

FIG. 1 is a perspective view of a driving pipe.

FIG. 2 is a plan view of the same.

FIG. 3 (1) is a side view in which a driving pipe is attached to a steel frame of a pillar, and FIG. 3 (2) is a plan view thereof.

FIG. 4 is a sectional view showing a conventional driving method.

[Explanation of symbols]

 1 Placing pipe 2 Outflow hole 3, 4 Opening 4 Support pile 5 Reinforcing plate

─────────────────────────────────────────────────── ───

[Procedure amendment]

[Submission date] May 28, 1993

[Procedure Amendment 1]

[Document name to be amended] Statement

[Correction target item name] 0006

[Correction method] Change

[Correction content]

[0006]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS An embodiment of the concrete pouring method according to the present invention will be described in detail below with reference to the drawings. Figure 1 shows a pipe for pouring 1 used in this concrete pouring method.
And shows the diameter 1 2.5 cm, floor height or pouring
Use a winding pipe with a length of about 50 cm.
An outflow hole 2 having a diameter of 5 cm is spirally opened on the peripheral surface of the pipe 1, and reinforcing plates 5 are welded to the upper and lower openings 3 and 4. The casting pipe 1 is not limited to the above-mentioned winding pipe, but may be a thin steel pipe or a synthetic resin pipe.

[Procedure Amendment 2]

[Document name to be amended] Statement

[Correction target item name] 0007

[Correction method] Change

[Correction content]

Next, a concrete pouring method using the pouring pipe will be described. 3 (1) is a side view in which the driving pipe 1 is attached to the steel frame 6 of a pillar having a high floor height, and (2) is a plan view thereof. In this case, when concrete is placed on a pillar having a high floor height, the placing pipe 1 is attached to the tie plate 6a of the steel column 6 with a numbered wire or the like.

[Procedure amendment]

[Submission date] November 12, 1993

[Procedure Amendment 1]

[Document name to be amended] Statement

[Correction target item name] 0006

[Correction method] Change

[Correction content]

[0006]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS An embodiment of the concrete pouring method according to the present invention will be described in detail below with reference to the drawings. Figure 1 shows a pipe for pouring 1 used in this concrete pouring method.
A winding pipe with a diameter of 12.5 cm and a floor height or a casting length of about 5 m is used. An outflow hole 2 having a diameter of 5 cm is spirally opened on the peripheral surface of the pipe 1, and reinforcing plates 5 are welded to the upper and lower openings 3 and 4. The casting pipe 1 is not limited to the above-mentioned winding pipe, but may be a thin steel pipe or a synthetic resin pipe.

Claims (1)

[Claims] 1. A method for placing concrete on a pillar or a wall having a high floor height, wherein a placing pipe having an outlet hole spirally opened on the peripheral surface is attached to a reinforcing bar or a steel frame of a pillar and arrow wall, A concrete pouring method comprising pouring concrete through the pouring pipe.