JPH04119053U - Steel pipe column filling concrete placement equipment - Google Patents

Abstract

(57) [Summary] [Purpose] To enable the discharge port at the tip of the tremie tube of the steel pipe column filling concrete placing device to be quickly set to the bottom of the steel pipe column. [Structure] A lattice-shaped discharge port 2 with a round tip is attached to the tip of a tremie tube 1, and a tip 4a of a concrete compaction vibrator 4 attached to the tremie tube is connected to the tip of the tremie tube 1. It was inserted into the discharge port 2 and fixed.

Description

[Detailed explanation of the idea]

0001

[Industrial application field]

The present invention relates to a concrete placing device for filling steel pipe columns.

0002

[Conventional technology]

Steel pipe columns are often used in high-rise SRC structures. At this time, the pillar Concrete is poured to increase the axial strength. Therefore, concrete pouring During this process, tremie pipes are used to precisely place concrete from the bottom of the column to the top. Do it through

0003 Figures 9 and 10 show a conventional concrete placing device, in which the tip of the tremie pipe a is Install a discharge port b of the same diameter as the tremie pipe a made of round steel and a plate, and A compaction vibrator C is attached and fixed to the tremie tube a, and the tremie tube a is connected with concrete bucket d and flexible hose e, and the concrete Lift the filled concrete bucket d with a crane and attach it to the tremie pipe a and the vibrator. Insert the cylinder C and C into the steel pipe column while suspended at the same time, and then sequentially connect from the bottom of the column to the upper layer. Cleats were being installed.

0004 In the figure, f is the concrete bucket opening/closing device, g is the vibrator motor, and h is a tremie tube joint hardware.

[0005]

[Problem that the idea aims to solve]

When suspending the tremie tube and vibrator inside pillar i, there will be constant shaking. As shown in FIG. It got caught on the diaphragm k, which made it very difficult to lower it to the bottom of the column, and it took a lot of time. In addition, since it takes such a long time, it has a negative impact on the concrete that has been mixed. There are concerns about the sound.

[0006] The present invention was proposed in view of the problems of the above-mentioned prior art, and its purpose is The place where this is done is a steel pipe column where the discharge port at the tip of the tremie tube is quickly set to the bottom of the column. The present invention provides a filling concrete placing device.

[0007]

[Means to solve the problem]

In order to achieve the above object, the steel pipe column filling concrete placing device according to the present invention is , if a lattice-shaped outlet with a round tip is attached to the tip of the tremie tube. Also, the tip of the concrete compaction vibrator attached to the tremie pipe. The end portion is inserted and fixed inside the lattice-shaped discharge port.

[0008]

[Effect]

According to the present invention, as mentioned above, the tip of the tremie tube is formed into a round shape. A lattice-shaped outlet is installed, and the tip of the vibrator is installed inside the lattice-shaped outlet. is inserted and fixed to the inside of the same discharge port, so the tip of the tremie tube is aligned with the column. It quickly reaches the bottom of the column without getting caught on the diaphragm during insertion. Since the tremie tube is set and the discharge port is formed in a grid pattern, the The concrete is smoothly discharged out of the tremie tube.

[0009]

【Example】

1 and 2 show a first embodiment of the present invention, in which a tremie for concrete pouring is shown. At the lower end of the tube 1, there is a lattice-shaped barrier with the same diameter as the tremie tube 1 and a round tip. A conical discharge port 2 is attached via a joint metal fitting 3. 4 is the tremie mentioned above A vibrator attached to the tube 1 and connected by a joint metal fitting 5. The tip 4a of the iblator 4 is inserted into the grid-shaped discharge port 2, and the fixed metal fitting It is fixed via 6.

0010 Since the illustrated embodiment is constructed as described above, a tremor is provided as shown in FIG. - When inserting the tube 1 into the steel column 7, the tip discharge port 2 of the tremie tube 1 has a lattice-like spindle. The tip 4a of the vibrator 4 is formed in a conical shape, and the distal end 4a of the vibrator 4 is located within the same lattice-shaped discharge port 2. is inserted and fixed, so it will not get caught on the diaphragm 8 during the descent. , easily and quickly set the tremie tube 1 and vibrator 4 to the bottom of the column. can be done.

[0011] In the figure, 9 is a beam, and 10 is a column reinforcement. 3 and 4 show a second embodiment of the present invention, in which the lattice-shaped outlet 2 is configured. Contrary to the fact that the strip is fixed to the outer peripheral surface of the tremie tube 1 in the first embodiment, This is fixed to the inner peripheral surface of the tremie tube 1. In the figure, parts equivalent to those in the above embodiment are given the same reference numerals.

0012 5 and 6 show a third embodiment of the present invention, in which a vibrator is attached to the tremie tube 1. If the vibrations described in 4 are transmitted and have an adverse effect on the poured concrete, such as aggregate separation, The Mie tube 1 and the discharge port 2 are separated and joined by a flexible tube 11. In the figure, parts equivalent to those of each of the above embodiments are given the same reference numerals.

[0013]

[Effect of the idea]

As mentioned above, the steel pipe column filling concrete placing device according to the present invention The discharge port of the vibrator has a round tip and is shaped like a lattice, and the tip of the vibrator has a lattice-shaped discharge port. Since it is inserted and fixed inside the outlet, the tremie tube and vibrator can be quickly removed to the bottom of the column. The time required for setting the said pouring equipment can thus be reduced. By shortening the time, there is no negative impact on the concrete, especially in summer. It is advantageous for concrete pouring during periods of high temperature such as during the winter.

[0014] According to the second aspect of the invention, the tremie tube and the discharge port are separated and connected by a flexible tube. As a result, the vibration of the vibrator is transmitted to the tremie pipe, and the pouring controller It is possible to prevent negative effects such as aggregate separation on the cleat. .

[Brief explanation of drawings]

FIG. 1 is a front view showing a first embodiment of a steel pipe column filling concrete placing device according to the present invention.

FIG. 2 is a plan view of FIG. 1;

FIG. 3 is a front view showing a second embodiment of the steel pipe column filling concrete placing device according to the present invention.

FIG. 4 is a plan view of FIG. 3;

FIG. 5 is a front view showing a third embodiment of the steel pipe column filling concrete placing device according to the present invention.

FIG. 6 is a plan view of FIG. 5;

FIG. 7 is a longitudinal sectional view showing the usage of the device of the present invention.

FIG. 8 is a cross-sectional plan view of FIG. 7;

FIG. 9 is a front view of a conventional device.

FIG. 10 is an enlarged view of part A of FIG. 9;

FIG. 11 is a longitudinal cross-sectional view showing a conventional device in use.

[Explanation of symbols]

1 tremie tube 2 Discharge port 4 Vibrator 4a Tip of vibrator 11 Flexible tube

Claims (2)

[Scope of utility model registration request] 1. A lattice-shaped discharge port with a round tip is attached to the tip of the tremie pipe, and the tip of a concrete compaction vibrator attached to the tremie tube is attached to the lattice-shaped discharge port. A steel pipe column filling concrete placing device characterized by being inserted and fixed inside a discharge port. 2. The steel pipe column filled concrete placing apparatus according to claim 1, wherein the tremie pipe and the discharge port are separated and joined by a flexible pipe.