KR20180123247A - Pile for Reinforcing soft ground for verticality and stability improvement and lateral bearing power enhancement and method using the same - Google Patents

Abstract

The present invention relates to a pile for reinforcing the soft ground for improving verticality and stability and lateral supporting force, and a method using the same. The outer circumferential surface of a spigot unit of a second pile and the inner circumferential surface of a socket unit of a first pile are cooled and pressed, and the second pile and the first pile are integrated with each other, so that all the piles to be assembled are integrated, and the soft ground is more effectively reinforced. A first guide member and a second guide member each having a cylindrical unit for vertically guiding a main body unit of the pile and a plurality of blades integrally formed on the outer peripheral surface of the cylindrical unit are provided together with the first and second guide members, so that straightness and verticality are improved. The lateral supporting force is increased against horizontal lateral force of the blade, which is generated in a course of insertion. A receiving angle is generated by the blades, so that lift is generated to return to the vertical direction, which is the direction in which the first pile and the second pile are inserted, and the verticality of the first pile and the second pile is further improved.

Description

Technical Field [0001] The present invention relates to a pile for reinforcing soft ground for improving verticality and stability, and for increasing a lateral support force, and a method using the same,

The present invention relates to a file for reinforcing soft ground for improving verticality and stability and a lateral support force, and a method using the same. More specifically, the present invention relates to a file for reinforcing soft ground, A file for reinforcing the soft ground for improving vertical stability and stability and lateral support force for enhancing the vertical and stability of the file and increasing the lateral support force to maximize the reinforcing effect of the soft ground, and a method using the same .

Generally, in case of constructing high-rise buildings or reinforced concrete structures, basic construction works will be carried out in order to strengthen the foundations.

This file construction is very important in the foundation work of the building. In the past, the weight chain drop hammer and the hydraulic hammer were raised by using the hoisting rope installed on the upper part of the leader of the crane, and the file was hit by the file, Have been used.

However, in the above-mentioned conventional file construction method by blow, when a file is installed in a deep place, a sound and a lot of dust are generated, and particularly, the vibration is caused to damage the surrounding buildings, causing environmental pollution, There was a frequent problem.

In particular, when the length of the filament is long, the file itself can not withstand the impact sufficiently, resulting in frequent file breakage during construction.

Therefore, as a conventional prior art, Korean Patent No. 10-0859974 (filed on September 18, 2008) "File for reinforcing soft ground and file construction method using the same"

The prior art discloses a technique for simply and easily mounting a plurality of files including a socket at an upper end, a spigot at a lower end, and an intermediate portion connecting a socket portion and a spigot portion in sequence, .

However, in the above-mentioned prior art, the first file is a cutter head which has a plurality of cutting blades at a spigot portion, is coupled to the lower end of the hammer, and the hammer strikes the socket portion with the cutting head contacting the ground In the second file, the spigot is inserted into the socket portion of the directly underneath file, and the socket portion is engaged with the hammer by striking. Thus, even if the file is supported on the equipment, The stability is deteriorated, and since the space portion is formed between the pile and the ground, the lateral supporting force is also lowered, so that the soft ground can not be sufficiently reinforced.

Therefore, it is required to develop a technique that can prevent the file from being damaged while inserting a plurality of files in succession by striking, enhancing the vertical and stability of the file, increasing the lateral supporting force, and sufficiently reinforcing the soft ground have.

Korean Registered Patent No. 10-0859974 (registered on September 18, 2008) "File for reinforcing soft ground and file construction method using the same"

Accordingly, it is an object of the present invention to provide a method and apparatus for protecting a file from damages while continuously inserting a plurality of files by striking and enhancing the vertical and stability of the file and increasing the lateral support force, thereby maximizing the reinforcement effect of the soft ground The present invention provides a file for reinforcing soft ground for improving verticality and stability and a lateral supporting force, and a method using the same.

According to an aspect of the present invention, there is provided a portable terminal including a main body formed of a circular pipe, a socket integrally formed at an upper end of the main body, and a spigot formed at a lower end of the main body, Wherein the inner peripheral surface of the inner peripheral surface is formed in a tapered shape having a lower inner diameter larger than an inner diameter of the main body and an upper inner diameter larger than an inner diameter of the lower end, Wherein the spigot portion has a tapered shape in which an outer diameter of an upper end of the outer peripheral surface is the same as an outer diameter of the body portion and a lower end outer diameter is smaller than the upper end outer diameter, And the taper angle of the outer circumferential surface of the spigot portion is smaller than the taper angle of the inner circumferential surface of the socket portion File is formed smaller than the tapered angle and; Wherein the guide member includes a cylindrical portion having an inner diameter corresponding to an outer diameter of the main body portion and a plurality of guide portions radially coupled to the outer peripheral surface of the cylindrical portion, And a pile for reinforcing the soft ground for increasing the vertical stability and stability and increasing the lateral support force.

The taper angle of the outer circumferential surface of the socket portion and the taper angle of the inner circumferential surface are larger than the taper angle of the outer circumferential surface of the socket portion and the thickness of the upper end portion is thicker than the thickness of the lower end portion directly hit by the hammer, thereby effectively transmitting the hitting force, .

The present invention also provides a method of manufacturing a semiconductor device, comprising: preparing the plurality of files, a plurality of guide members and a cutting head; Vertically inserting the guide member once into the ground on which the file is to be inserted; The cutting head is engaged at the lower end of the spigot part of the No. 1 file and positioned within the cylindrical part of the No. 1 guide member and the socket part of No. 1 file is struck by the hammer of the type equipment so that the No. 1 file guides the No. 1 guide member Thereby allowing it to enter the ground while receiving it; The spigot portion of the second file inserted into the main body portion of the second guide member is inserted into the socket portion of the first file and the second file is struck by the hammer of the striking device so that the outer peripheral surface of the spigot portion of the second file and the first Wherein the socket portion of the first file and the socket portion of the second file are inserted into the first guide member and the second guide member, respectively, The first guide member and the second guide member are formed with the first file and the second file, respectively, so that the first guide member and the second guide member pierce the ground, thereby improving the straightness And the wings of the first guide member and the second guide member are moved in the horizontal direction against the horizontal lateral force of the front, rear, left, and right directions generated in the insertion process by the hitting of the hammer, Even if the bearing capacity increases The vertical angle of the first file and the second file is higher than that of the first file and the second file because the angle of incidence is generated by the wing and the lift that tries to return to the vertical direction, Provides a soft ground reinforcement method for improving stability and increasing transverse bearing capacity.

According to the file for reinforcing the soft ground for improving the verticality and the stability and the lateral support force of the present invention and the method using the same, the outer peripheral surface of the spigot portion of the second file and the inner peripheral surface of the socket portion of the first file are cold- And the first file are integrated with each other. Therefore, all the files to be installed are integrated, and the reinforcement of the soft ground is more effectively performed. A plurality of the cylindrical portions The guide member 1 and the guide member 2 having the wing are formed together with the insertion of the first and second files to improve the straightness and the verticality and to prevent the wing from being damaged by the horizontal lateral force The lateral support force is increased, and the angle of attack is generated by the wing, so that it tries to return to the vertical direction in which the first file and the second file are inserted It is to force the generation of the times 2 times 1 pailwa file embedment is verticality is further improved.

1 to 8 show a preferred embodiment of a file for reinforcing soft ground for improving verticality and stability and increasing lateral support force according to the present invention,
1 is a perspective view of a file and a guide member,
2 is an exploded perspective view of the file,
3 is a longitudinal section of the file,
4 to 8 are vertical sectional views showing a soft ground reinforcement method for improving verticality and stability and increasing lateral support force.

Hereinafter, the present invention will be described in detail with reference to the accompanying drawings, which illustrate a file for reinforcing soft ground for improving the verticality, stability and lateral support force, and a method using the same.

1 to 3 show a preferred embodiment of a file for reinforcing soft ground for improving verticality and stability and increasing lateral support force according to the present invention.

As shown in FIGS. 1 to 3, the soft ground reinforcing pile 100 for improving verticality, stability, and lateral support according to the present embodiment includes a main body 110 formed of a circular pipe, A socket 120 integrally provided at an upper end of the main body 110 and a spigot 130 formed at a lower end of the main body 110.

The file 100 has a length of about 5 meters and a diameter of 150 to 220 mm, which is different from the scale in the drawing.

The main body 110 is configured in the form of a circular pipe used for a typical file.

In addition, the inner and outer peripheral surfaces of the socket portion 120 are both formed in a tapered shape having a larger inner diameter and a larger outer diameter and a lower inner diameter and an outer diameter smaller.

In particular, the outer circumferential surface of the socket 120 has a lower outer diameter equal to the outer diameter of the main body 110, an upper outer diameter larger than a lower outer diameter, and an inner peripheral surface having a lower inner diameter, And the upper end inner diameter is larger than the lower end inner diameter.

In addition, the taper angle of the outer circumferential surface of the socket portion 120 and the taper angle of the inner circumferential surface are larger than the taper angle of the outer circumferential surface of the socket portion 120, It is preferable that the strength of the socket portion 120 can be increased.

The spigot part 130 is formed in a tapered shape in which the outer diameter of the upper end of the spiral part is the same as the outer diameter of the body part 110 and the lower end outer diameter is smaller than the upper end outer diameter, It is preferable that the lower inner diameter is formed in a taper shape smaller than the upper inner diameter so as to reduce the intrusion resistance.

The taper angle of the outer circumferential surface of the spigot part 130 is smaller than the taper angle of the inner circumferential surface of the socket part 120 so that the spigot part 130 of the upper side file 100 is inserted into the socket part 120 of the lower side file 100, The outer circumferential surface of the spiral portion 130 of the upper file 100 is wedged on the inner circumferential surface of the socket portion 120 of the lower end 100 by the wedge action when the file 100 is hammered by the hammer, So as to be squeezed.

The main body 110, the socket 120, and the spigot 130 are preferably made of a high ductility cast iron material.

The lower end of the socket part 120 is provided with a latching protrusion 121 for hooking the lower end surface of the spigot part 130.

The hooking jaw 121 is inserted into the socket 120 of the lower end 100 of the upper file 100 by inserting the spigot 130 of the upper end 100 and hitting the upper end 100 with the hammer, 100 to the lower-level file 100. In this case,

And a guide member 200 guiding the file 100 and being inserted into the ground together with the file 100.

The guide member 200 includes a cylindrical portion 210 having an inner diameter corresponding to the outer diameter of the main body portion 110 and a plurality of blades 220 radially coupled to the outer peripheral surface of the cylindrical portion 210 .

The cylindrical portion 210 serves to guide the main body 110 of the pile 100 and to enhance the verticality of the pile 100 by imparting the straightness of the pile 100.

The wing 220 is provided with straightness in the process of being pushed together with the pile 100, thereby improving the verticality and increasing the cross-sectional area, thereby enhancing the lateral support force and improving the stability.

The lower end of the vane 220 is formed with an inclined portion 221 which is inclined upwards from the lower end of the outer circumference of the cylindrical portion 210 so as to minimize the resistance in the process of being inserted into the ground together with the pile 100 .

The spindle portion 130 of the file 100 is further provided with a cutting head 300 that cuts the ground and smoothly inserts the file 100.

The cutting head 300 includes a circular plate 310 which is in close contact with the lower end surface of the spigot 130 and an insertion portion 330 which is formed on the upper surface of the circular plate 310 and is inserted into the spigot 130. [ And a plurality of (four in the drawing) cutting blades 330 radially coupled to the lower surface of the disc portion 310. [

The cutting head 300 is formed by forming a pin hole in the spigot part 130 and the insertion part 320 while inserting the insertion part 320 into the spigot part 130, Can be combined by welding.

Hereinafter, a soft ground reinforcement method for improving verticality and stability and increasing lateral support force according to the present invention will be described.

In order to display the order of the files in the following description, the file No. 1 is indicated as '100A', the file No. 2 as '100B', the guide member No. 1 as '200A' and the guide member No. 2 as '200B' Explain.

In the file for reinforcing soft ground and the method using the same according to the present invention, the number of files is set according to the state of the ground, and only two files are shown in a state where they are installed.

[Preparation phase]

A tapered outer peripheral surface having a lower end outer diameter equal to an outer diameter of the main body 110 and having an upper end outer diameter larger than a lower end outer diameter, a tubular main body 110 having a predetermined diameter, A socket portion 120 having a tapered inner peripheral surface having a lower inner diameter larger than an inner diameter of the main body 110 and an upper inner diameter larger than a lower inner diameter; An outer circumferential surface having an inner diameter equal to the inner diameter of the main body 110 and a lower inner diameter smaller than the upper inner diameter, the outer circumferential surface being formed in a taper shape having the same outer diameter as the outer diameter of the main body 110, A plurality of files (100) including a spigot part (130) having an inner circumferential surface formed by a plurality of files (100); A plurality of guide members 200 including a cylindrical portion 210 having an inner diameter corresponding to the outer diameter of the pile body 110 and a plurality of blades 220 radially coupled to the outer peripheral surface of the cylindrical portion 210, ; A disk 310 detachably attached to the lower end of the spigot 130 of the file 100 and closely attached to the lower end of the spigot 130, An insert 320 inserted into the spigot 130 and a plurality of cutting blades 330 radially coupled to the lower surface of the disk 310 are prepared .

[Initial guide member pressing-in step]

A first guide member 200A having a cylindrical portion 210 and a plurality of radial blades 220 on the outer circumferential surface of the cylindrical portion 210 is vertically installed on the ground on which the file 100 is to be inserted. At this time, the No. 1 guide member 200A can be shaped so that the cylindrical portion 210 and the blade 220 are perpendicular to each other using a supporting device and a type device (not shown) (see FIG. 4).

[Step # 1 of uploading the file]

The socket 120 of the first pile 100A in which the cutting head 300 is coupled to the spigot part 130 provided at the lower end of the main body 110 having the socket part 120 at the upper end thereof, The cutting head 300 and the spigot part 130 are placed in the cylindrical part 210 of the first guide member 200A and then the socket part 120 is struck by the hammer So that the first file 100A is inserted into the ground while being guided by the first guide member 200A (refer to FIG. 5).

Since the No. 1 guide member 200A is vertically pushed in the ground and the No. 1 file 100A is guided by the cylindrical portion 210 of No. 1 guide member 200A, So that the verticality can be improved.

[Second step of file insertion]

The cutting head 300 is not engaged before the socket portion 120 of the first file 100 contacts the guide member 200 of the first file 100B and the second guide portion 200B of the second file 100B The spigot part 130 is inserted into the socket part 120 of the first file 100A and the socket part 120 of the second file 100B is struck by the hammer of the striking device, The outer peripheral surface of the spigot part 130 of the first pile 100A is inserted into the inner peripheral surface of the socket part 120 of the first pile 100A while being integrated by cooling pressure bonding (or low temperature pressure bonding).

Since the first file 100A and the second file 100B are integrated with each other in this way, the entirety of the files 100 to be installed can be integrated, and the reinforcement of the soft ground can be more effectively performed.

If the lower end of the socket portion 120 of the first file 100A touches the upper end of the first guide member 200A as the second file 100B is inserted, the striking force for the second file 100B The first guide member 200A is transferred to the first guide member 200A through the second file 100B and the first file 100A and the first guide member 200A is inserted along with the first file 100A and the second file 100B (See FIG. 7).

At this time, the wings 220 of the first guide member 200A dig into the ground to improve the straightness, thereby increasing the verticality of the first file 100A and the second file 100B.

In addition, a lateral force directed to the horizontal direction such as forward, backward, leftward and rightward is generated in the insertion process by the hitting of the hammer. By the plurality of vanes 220 provided in the first guide member 200A for guiding the first pile 100A, An opposing resistance is generated so that the first file 100A and the second file 100B can be inserted vertically without shaking in the horizontal direction.

When a lateral force acts on the first file 100A and the second file 100B due to the hitting force, an angle of attack is generated by the wings 220 of the guide member 200 and the first file 100A And the vertical direction of the second file 100B are generated, so that the vertical incidence of the first file 100A and the second file 100B is further improved.

When the lower end of the socket portion 120 of the second file 100B touches the upper end of the cylindrical portion 210 of the guide member 200 as the inserting operation proceeds, the hitting force of the hammer with respect to the second file 100B is transmitted to the socket portion 120 The guide member 200 is inserted into the ground with the insertion of the first file 100A and the second file 100B (see FIG. 8).

In this case, the number of the files 100 can be reduced by repeating this process. At this time, since the Gaga files 100 are inserted together with the guide member 200, the verticality and stability can be improved, .

On the other hand, when the insertion is completed, the grouting material can be charged into the space between the outer circumferential surface of the pile 100 and the inner circumferential surface of the excavation hole of the ground. Such filling of the grouting material can be performed only when necessary in accordance with the state of the ground.

It will be apparent to those skilled in the art that various modifications and variations can be made in the present invention without departing from the spirit or essential characteristics thereof. Therefore, the embodiments disclosed in the present invention are not intended to limit the scope of the present invention but to limit the scope of the technical idea of the present invention. The scope of protection of the present invention should be construed according to the following claims, and all technical ideas within the scope of equivalents should be construed as falling within the scope of the present invention.

100: File 110:
120: socket part 130: spigot part
200: guide member 210: cylindrical portion
220: wing 300: cutting head
310: disc portion 320:
330: cutting edge

Claims (3)

A main body portion formed of a circular pipe, a socket portion integrally provided at an upper end of the main body portion, and a spigot portion formed at a lower end of the main body portion,
Wherein an outer circumferential surface of the socket portion is formed in a tapered shape having a lower end outer diameter equal to an outer diameter of the main body portion and an upper end outer diameter larger than a lower end outer diameter and an inner peripheral surface formed in a tapered shape having a lower end inner diameter larger than an inner diameter of the body portion, And,
Wherein the spigot portion has a tapered shape in which an outer diameter of an upper end of the outer peripheral surface is the same as an outer diameter of the main body portion and a lower end outer diameter is smaller than the upper end outer diameter and a lower end inner diameter is the same as an inner diameter of the main body, Lt; / RTI >
The taper angle of the outer peripheral surface of the spigot portion being smaller than the taper angle of the inner peripheral surface of the socket portion;
And a guiding member for guiding the file and being fed into the ground together with the file,
Wherein the guide member includes a cylindrical portion having an inner diameter corresponding to an outer diameter of the main body portion and a plurality of blades radially coupled to an outer peripheral surface of the cylindrical portion. Files for soft ground reinforcement.
The method according to claim 1,
The taper angle of the outer circumferential surface of the socket portion and the taper angle of the inner circumferential surface are larger than the taper angle of the outer circumferential surface of the socket portion and the thickness of the upper end portion is thicker than the thickness of the lower end portion directly hit by the hammer, thereby effectively transmitting the hitting force, And a file for reinforcing the soft ground for improving the stability and lateral supporting capacity.
Preparing a plurality of files and a plurality of guide members and a cutting head according to claim 1 or 2;
Vertically inserting the guide member once into the ground on which the file is to be inserted;
The cutting head is engaged at the lower end of the spigot part of the No. 1 file and positioned within the cylindrical part of the No. 1 guide member and the socket part of No. 1 file is struck by the hammer of the type equipment so that the No. 1 file guides the No. 1 guide member Thereby allowing it to enter the ground while receiving it;
The spigot portion of the second file inserted into the main body portion of the second guide member is inserted into the socket portion of the first file and the second file is struck by the hammer of the striking device so that the outer peripheral surface of the spigot portion of the second file and the first So that the inner circumferential surface of the socket portion of the file is cooled and pressure-bonded so that the second file and the first file are inserted in an integrated state,
When the socket portion of the file No. 1 and the socket portion of the file No. 2 are brought into contact with the top portion of the guide member and the top portion of the cylindrical portion of the file No. 2, the No. 1 guide member and the No. 2 guide member, respectively, The guide member 1 and the guide member 2 of the guide member pierce the ground to improve the straightness to improve the verticality of the file 1 and the file 2,
The lateral support force is increased against the lateral lateral forces of the front, rear, left and right generated in the insertion process of the first guide member and the second guide member by the impact of the hammer,
As the angle of attack is generated by the wings, lift that tries to return to the vertical direction, which is the direction of the insertion of the first file and the second file, occurs, thereby improving the verticality and stability that further improve the verticality of the first file and the second file And Reinforcing Method of Soft Ground for Increasing Lateral Supporting Capacity.

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