KR20170054113A

KR20170054113A - Construction equipment and grouting grouting method using the same

Info

Publication number: KR20170054113A
Application number: KR1020150156856A
Authority: KR
Inventors: 허옹
Original assignee: 송원신
Priority date: 2015-11-09
Filing date: 2015-11-09
Publication date: 2017-05-17
Also published as: KR101881968B1

Abstract

The present invention relates to a grouting device and a grouting method using the same. The grouting device includes: a carrier carrying equipment; an excavator composed of a rod formed in a front surface of the carrier, excavating the ground, and injecting and spraying cement milk into an open hole, a transferring device transmitting energy to allow the rod to excavate the ground, and a support supporting the rod and the transferring device by being connected to the transferring device; a mixing plant composed of a cement silo formed inside the carrier and formed to keep and mix materials for grouting, a water tank storing water, a pressing pump supplying the water stored in the water tank to the cement silo, and a mixer mixing the materials kept in the cement silo; a pump formed inside the carrier and providing predetermined kinetic energy to transfer the cement milk generated in the mixing plant to the rod; an air compressor formed inside the carrier and injecting the cement milk generated in the mixing plant into the open hole at a high pressure; and a power generator formed inside the carrier and supplying a power source to the excavator, the mixing plant, the pump, and the air compressor. The purpose of the present invention is to provide the grouting device capable of excavating the ground and grouting the cement milk with the single grouting device and the grouting method using the grouting device.

Description

TECHNICAL FIELD [0001] The present invention relates to a grouting construction apparatus and a grouting method using the grouting construction apparatus.

The present invention relates to a grouting apparatus and a grouting method using the same. More particularly, the present invention relates to a grouting apparatus, a pumping apparatus, an air compressor, and a mixing plant for excavating a ground by drilling a ground, a grouting using an excavator provided in the perforator, a ground excavation and a grouting, And a grouting method using the grouting construction apparatus.

In general, all buildings must have sufficient bearing capacity to support the building, or settlement will occur at the top or deep part of the foundation so as to impair the stability of the building.

Therefore, it is necessary to investigate whether the bearing capacity of the ground can sufficiently withstand the weight or the load acting on the ground by the building through appropriate surveys such as geological survey and soil survey before building the building. In the case of ground, organic soil degradation, soil, wetland, soil with considerable changes in water content, ground with a lot of pores or irregularities, the bearing capacity of the foundation ground is not sufficient, Is required.

It is well known that the pile foundation reinforcement method is used as a method for securing the support force to the foundation ground in consideration of the above points. In addition, it is known that the hydraulic drill or the rod (ROD) Various methods have been proposed including a drilling operation using a bit and a grouting method in which a steel pipe such as a reinforcing bar is inserted into the perforated hole and a grouting material such as cement milk is injected. (Jumbo Special Pile) method or jet grouting.

Accordingly, in Korean Patent No. 10-1173877, grout bulbs, which are a mixture of soil and grout materials formed in the ground, and steel cores sandwiched in the center of the grout bulb, are provided at the ends of the steel cores, The steel core is rotated and injected slowly into the ground, and the grout material is injected from the injection port to the side and the downside at high pressure, and at the same time, mixed with the gravel to form the grout bulb. After the final penetration of the steel core, Wherein the grout grouting file structure corresponds to a lateral force and a shearing force acting on the grout bulb.

However, according to the prior art documents, there is a disadvantage that the steel core must be provided separately with a perforator for excavating the ground, a mixing plant for mixing cement milk, and equipment for grouting such as a pump unit and an air compressor.

(Patent 0001) Korean Patent No. 10-1173877

In order to solve the problems of the related art, the present invention provides a method of drilling a ground by drilling a ground by providing a generator, a pump, an air compressor, and a mixing plant in a drilling machine for excavating the ground, constructing grouting with an excavator provided in the drill, The present invention provides a grouting installation apparatus in which a grouting installation is possible as a single machine of a grouting installation apparatus, and a grouting method using the same.

According to an aspect of the present invention, there is provided a grouting apparatus and a grouting method using the grouting apparatus. The grouting apparatus includes a transporting unit for transporting equipment and a front portion of the transporting apparatus. And a support for supporting the rod and the conveying device. The perforator is provided inside the conveyor, and is required for the grouting construction. A water tank for storing water, a pressurizing pump for supplying water stored in the water tank to the cement silo, and an agitator for mixing the material stored in the cement silo &Lt; RTI ID = 0.0 > a < / RTI > mixing plant constructed in the mixing plant, A pump unit configured to supply predetermined kinetic energy to transport the cement milk to the rod; and an air compressor configured inside the conveyor and configured to inject the cement milk produced at the mixing plant at a high pressure between the pores And a generator for supplying electric power to the drilling machine, the mixing plant, the pump unit, and the air compressor.

The puncher further includes a milk injection pipe connected to the pump unit, for transferring the cement milk produced in the mixing plant to the rod, and a high-pressure pump connected to the air compressor, And an air injection pipe for introducing the air into the space.

The rod may further include an excavator provided at a lower end to excavate the ground.

The excavator may further include a plurality of injection holes for injecting cement milk injected from the rod.

(A) inserting the pile into the ground, (b) inserting the pile into the ground, (b) inserting the pile into the ground, (C) setting a parameter such as a rotating speed and a pulling rate on a grouting installation, and then performing a jetting test; (d) rotating the rod in a predetermined direction And (e) drawing the rod after the grouting is finished.

The step (d) may include a step of automatically ascending 1 cm to 5 cm upward after the rod makes one revolution in a predetermined direction.

In the step (e), the cement milk may be injected into a predetermined groove formed after the rod is pulled out and filled.

According to the embodiment of the present invention, a ground, a pump, an air compressor, and a mixing plant are provided on a perforator for excavating the ground, excavating the ground, and grouting with an excavator provided in the perforator to perform ground excavation and grouting The grouting installation device can be used with one machine, so that the troublesome work of not purchasing each equipment necessary for the grouting construction can be solved.

BRIEF DESCRIPTION OF THE DRAWINGS FIG. 1 is a general view of a grouting construction apparatus and a grouting construction method using the same according to an embodiment of the present invention;
2 is a configuration diagram of a grouting installation apparatus according to an embodiment of the present invention and a grouting installation apparatus of the grouting installation using the same.
FIG. 3 is a schematic view of an excavator constructed in a rod of a grouting construction apparatus and a grouting construction method using the same according to an embodiment of the present invention;
FIG. 4 is a block diagram of a grouting construction apparatus and a grouting construction method using the same according to an embodiment of the present invention. FIG.
5 to 9 are flowcharts of a grouting construction apparatus and a grouting construction method using the same according to an embodiment of the present invention.

Hereinafter, preferred embodiments of the present invention will be described in detail with reference to the accompanying drawings. Prior to this, terms and words used in the present specification and claims should not be construed as limited to ordinary or dictionary terms, and the inventor should appropriately interpret the concepts of the terms appropriately It should be interpreted in accordance with the meaning and concept consistent with the technical idea of the present invention based on the principle that it can be defined. Therefore, the embodiments described in the present specification and the configurations shown in the drawings are only the most preferred embodiments of the present invention, and not all of the technical ideas of the present invention are described. Therefore, It should be understood that various equivalents and modifications are possible.

FIG. 1 is a block diagram of a grouting construction apparatus and a grouting construction method according to an embodiment of the present invention. FIG. 2 is a view showing a construction of a grouting construction apparatus according to an embodiment of the present invention and a grouting construction apparatus using the same FIG. 3 is a view illustrating a construction of an excavator constructed in a rod of a grouting construction apparatus and a grouting construction apparatus according to an embodiment of the present invention. FIG. 4 is a view showing a construction of a grouting construction apparatus according to an embodiment of the present invention, 5 to 9 are flowcharts of a grouting construction apparatus and a grouting construction method using the same according to an embodiment of the present invention.

The grouting installation apparatus 100 includes a conveyor 10 for conveying equipment, a perforator 110 for excavating the ground, a mixing plant 130 for generating cement milk, a pump for injecting the cement milk into the pores 300, An air compressor 170 for supplying high-pressure compressed air to spray the cement milk at a high pressure, and a generator 190 for supplying power to the grouting installation apparatus 100.

The perforator 110 is configured to excavate the ground to form a predetermined pore 300 and to construct a pile 200 inside the pore 300 formed in the front portion of the transporter 10 .

Here, the pile (200) refers to a rod-like support which is intruded into the ground, and is a support formed by performing basic reinforcement work through cement milk or concrete.

The perforator 110 includes a rod 111 for excavating the ground and injecting the cement milk into the pores 300 so that the cement milk can be injected into the pores 300, An injection tube 113 and an air injection tube 115 configured to deliver the high pressure air generated in the air compressor 170 to the rod 111. The milk injection tube 113 and the air injection tube 115 are connected to the rod 111, And a conveying device 117 which is connected to the conveying device 117 for conveying the kinetic energy so that the load 111 can be smoothly excavated on the surface thereof, And a support base 119 for supporting the support base 119.

The rod 111 is constructed so as to excavate the ground surface and inject the cement milk generated at the mixing plant 130 to the excavated pores 300. The rod 111 is integrally constructed and has a predetermined or more Lt; / RTI >

The rod 111 has an excavation hole 111a for excavating the ground surface at the front end portion and a jet hole 111b formed at a predetermined distance in the excavation hole 111a so that excavation and grouting can be simultaneously performed do.

The milk injection pipe 113 is connected to the punching machine 110 and the pumping machine 150 and is configured to supply a predetermined energy to the cement milk produced in the mixing plant 130 so as to be able to be transported to the upper end of the rod 111. [ It is composed of synthetic materials and materials such as stainless steel.

The air injection pipe 115 is configured to connect the punch 110 and the air compressor 170 to deliver the high-pressure compressed air generated by the air compressor 170 to the rod 111. The high- But it is not limited to this.

The transfer device 117 is connected to the high pressure compressed air generated by the air compressor 170 and the cement milk 130 generated in the mixing plant 130 by connecting the milk injection pipe 113 and the air injection pipe 115 to the rod 111. [ Is configured to be able to transmit to the rod 111 and is configured at the upper end of the rod 111 and configured to be firmly fixed through a fixing member such as a screw or is integrally constructed.

The conveying device 117 is configured to be connected to the rod 111 and the support 119. The conveying device 117 is configured to smoothly support the ground when excavating the ground, And is not transmitted to the perforator 110.

The support base 119 fixes a vertically configured rod 111 and transmits kinetic energy to the rod 111 so that the rod 111 can excavate the ground. The kinetic energy is transmitted from a separate power supply (not shown) And transmit the generated energy to the rod 111 side.

In addition, although the present invention has been described with respect to the perforator 110 for excavating the ground through the rod 111, it is needless to say that the present invention is not limited thereto and may be configured as a pillar that applies a constant pressure to the pile 200.

The mixing plant 130 is configured to produce the material necessary for grouting such as concrete and cement milk and is formed inside the conveyor 10 and mixes the materials such as water and cement and supplies it to the load (111).

The mixing plant 130 includes a cement silo 131 configured to mix and mix materials such as cement, water, sand and gravel, a water tank 133 for storing water, a water tank 133 for storing water, A pressurizing pump 135 configured to feed the cement silo 131 and an agitator 137 for mixing materials such as cement, water, sand and gravel.

The cement silo 131 is configured to mix materials such as water, sand, cement, and gravel. The cement silo 131 is configured to generate a material necessary for grouting such as cement milk formed by mixing water and cement. It is configured to temporarily store milk or concrete.

The cement silo 131 constitutes a connection pipe 131a connected to the pump unit 150 at one side to transmit the grouting material mixed in the cement silo 131 to the pump unit 150, To receive the predetermined power energy and to inject the energy into the rod 111.

The water tank 133 is configured to supply water to the cement silo 131 and is configured to store a predetermined amount of water and is configured to supply the stored water to the cement silo 131 through the pressurizing pump 135 .

The pressurizing pump 135 is configured to supply the water inside the water tank 133 to the cement silo 131 and is configured to generate the power energy through the power source formed in the generator 190.

The agitator 137 is configured at the lower end of the cement silo 131 to mix the cement and water and is configured to be able to drive the agitator 137 through a power source formed by the generator 190.

The pump unit 150 is connected to the connection pipe 131a of the cement silo 131 and the milk injection pipe 113 of the perforator 110 and receives external power generated by the generator 190, And is configured to supply a predetermined kinetic energy to move the cement milk formed in the mixing plant 130 to the upper portion of the rod 111. [

The air compressor 170 is configured to compress air to provide a high pressure to the perforator 110 and is configured to be able to inject air into the rod 111 through the air inlet tube 115 after compressing the air.

Also, the air compressor 170 is configured to generate a high pressure of 300 kg / cm 2 to 500 kg / cm 2 to be injected into the rod 111. In the present invention, a high pressure of 400 kg / cm 2 is generated and injected.

The generator 190 is configured to supply external power such as the perforator 110, the mixing plant 130, the pump 150, and the air compressor 170. The generator 190 can generate power of 400 W to 4000 W, .

The grouting method using the grouting construction apparatus including the perforator 110, the mixing plant 130, the pumping unit 150, the air compressor 170 and the generator 190 includes the step of inserting the file 200 (S100 A step S200 of puncturing the file 200 or the ground, a step S300 of setting injection test to set the rotational speed and the pulling speed, the step of rotating the rod 111 in a predetermined direction (S400), and drawing the rod (111) after finishing the grouting (S500).

In step S100 of inserting the file 200, the user may excavate the file 200 at a predetermined depth so that the file 200 can be inserted into the ground through the basic reinforcement work, and the file 200 is inserted into the excavated pore 300 .

The step of puncturing the file 200 or the ground S200 may be performed by rotating the pressure 200 and puncturing the ground around the file 200 or by inserting the rod 111 inside the ground according to the ground conditions And it is constructed so that the ground condition can be calculated and drilled up to the planned depth.

Herein, in the present invention, the pile 200 or the ground is punctured. However, the present invention is not limited thereto, and the pile 200 may be constructed such that one side of a foundation reinforcing agent (not shown) to be.

The step S300 of performing the set injection test is a step of calculating the rotational speed and the pulling rate of the rod 111 to be set in accordance with the ground conditions and testing whether or not the setting is made accordingly. After the setting is completed, the injection holes 111b ) To check whether the setting of the grouting installation apparatus 100 is correct or not.

The grouting step S400 is a step of mixing the cement milk formed in the mixing plant 130 and the high-pressure compressed air formed in the air compressor 170 after the settings necessary for the grouting construction such as the rotation speed and the abnormal speed are completed, And the cement milk is injected through the holes 111b. In the course of the injection, the rod 111 rotates in a predetermined direction to fill the periphery of the ground.

In the step S400, when the rod 111 makes one revolution in a certain direction, it is preferable that it is configured to automatically move upward to 1 to 5 cm so that the fan-shaped grouting can be performed. In the present invention, 2.5 cm.

That is, in step S400, cement milk is injected through the injection hole 111b at the final front end to fill the space between the sheets. After the completion of one rotation of the rod 111, the rod 111 rises upward by 2.5 cm, And then re-injection is performed in the injection hole 111b so that grouting can be carried out to a planned depth.

Step S500 of drawing the rod 111 is a step of drawing the rod 111 to finish the grouting operation after the grouting is completed up to the planned depth and after finishing the rod 111, So that the predetermined cement milk remaining in the mixing plant 130 can be injected and filled.

That is, the grouting construction apparatus and the grouting construction method using the grouting construction apparatus perform the grouting construction on the lower part of the pile 200 to perform the lower reinforcement to improve the supporting force and to prevent the pile 200 from being held for a long period of time .

Although the present invention has been described in connection with the preferred embodiments thereof with reference to the accompanying drawings, it is to be understood that the present invention is not limited thereto, It is to be understood that various modifications and changes may be made without departing from the scope of the appended claims.

10: Carrier 100: Grouting construction device
110: perforator 111: rod
113: Milk injection tube 115: Air injection tube
117: Feeding device 130: Mixing plant
150: Pump unit 170: Air compressor
190: Generator 200: File
300: hole 400: grouting

Claims

Transporting equipment;
A load conveying device connected to the conveying device and configured to convey the energy to excavate the ground surface; and a load and transfer device connected to the conveying device, A perforator;
A cement silo configured to be able to store and mix the material required for the grouting construction; a water tank for storing water; a pressurizing pump for supplying water stored in the water tank to the cement silo; A mixing plant comprising an agitator for mixing the material stored in the cement silo;
A pump unit constructed inside the conveyor and supplying a predetermined kinetic energy for conveying the cement milk produced in the mixing plant to the rod;
An air compressor configured within the conveyor and configured to inject cement milk produced at the mixing plant at a high pressure between the pores; And
A generator configured to be installed in the inside of the conveyor and supplying power to the perforator, the mixing plant, the pump, and the air compressor;
Wherein the grouting apparatus comprises:

The method according to claim 1,
Wherein the perforator comprises:
A milk injection pipe connected to the pump unit and conveying the cement milk produced in the mixing plant to the rod; And
An air injection pipe connected to the air compressor and delivering a high pressure generated in the air compressor to the rod;
Wherein the grouting apparatus further comprises:

The method according to claim 1,
The above-
And an excavator for excavating a surface of the ground.

The method of claim 3,
The excavator may include:
Further comprising a plurality of jet holes for jetting the cement milk injected from the rod.

In the grouting construction apparatus including the perforator, the mixing plant, the pump tile, the air compressor, and the generator, and a grouting method using the same,
(a) inserting a file on the ground;
(b) perforating the pile or ground with the perforator;
(c) setting the parameters such as the rotational speed and the pulling rate on the grouting installation;
(d) performing upward grooving by rotating the rod in a predetermined direction;
(e) drawing the rod after grouting is finished;
And a grouting method using the same.

6. The method of claim 5,
The step (d)
And automatically ascending upward by 1 cm to 5 cm after the rod has rotated one turn in a predetermined direction, and a grouting method using the same.

6. The method of claim 5,
The step (e)
And injecting and filling cement milk into a predetermined groove formed after the rod is pulled out, and a grouting method using the same.