KR20060054711A - Cast in place concrete pile using vibro magnetic shovel hammer, and the construction method of this - Google Patents

Cast in place concrete pile using vibro magnetic shovel hammer, and the construction method of this Download PDF

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Publication number
KR20060054711A
KR20060054711A KR1020040093366A KR20040093366A KR20060054711A KR 20060054711 A KR20060054711 A KR 20060054711A KR 1020040093366 A KR1020040093366 A KR 1020040093366A KR 20040093366 A KR20040093366 A KR 20040093366A KR 20060054711 A KR20060054711 A KR 20060054711A
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South Korea
Prior art keywords
tube
concrete
steel pipe
rise prevention
pipe casing
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KR1020040093366A
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Korean (ko)
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KR100618597B1 (en
Inventor
장유식
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민경건설 주식회사
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Priority to KR1020040093366A priority Critical patent/KR100618597B1/en
Publication of KR20060054711A publication Critical patent/KR20060054711A/en
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    • EFIXED CONSTRUCTIONS
    • E02HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
    • E02DFOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
    • E02D5/00Bulkheads, piles, or other structural elements specially adapted to foundation engineering
    • E02D5/22Piles
    • E02D5/34Concrete or concrete-like piles cast in position ; Apparatus for making same
    • E02D5/38Concrete or concrete-like piles cast in position ; Apparatus for making same making by use of mould-pipes or other moulds
    • E02D5/385Concrete or concrete-like piles cast in position ; Apparatus for making same making by use of mould-pipes or other moulds with removal of the outer mould-pipes
    • EFIXED CONSTRUCTIONS
    • E02HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
    • E02DFOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
    • E02D2200/00Geometrical or physical properties
    • E02D2200/13Geometrical or physical properties having at least a mesh portion
    • EFIXED CONSTRUCTIONS
    • E02HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
    • E02DFOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
    • E02D2200/00Geometrical or physical properties
    • E02D2200/16Shapes
    • EFIXED CONSTRUCTIONS
    • E02HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
    • E02DFOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
    • E02D2250/00Production methods
    • E02D2250/0023Cast, i.e. in situ or in a mold or other formwork

Abstract

The present invention organically combines the steel pipe casing and the inner tube and the concrete rise prevention device for the construction of the site-placed concrete pile installed to strengthen the bearing capacity of the ground on which the civil structure is installed to facilitate the construction of concrete placing and civil structures The purpose is to provide a cast-in-place concrete pile using inner tube and concrete rise prevention device and its construction method.
The cast-in-place concrete pile using the inner tube and the concrete rise prevention device according to the present invention for achieving the above object is a steel pipe casing having a predetermined diameter and length in the ground; An inner tube which is inserted into the steel pipe casing at a predetermined depth in a longitudinal direction and has a predetermined diameter and length; A reinforcing bar network embedded in the inner tube at a predetermined depth in a longitudinal direction and made of a predetermined size; It is characterized in that it is made of concrete which is poured in the reinforcing bar and hardened at the same time.
In addition, in-site casting concrete pile construction method using the inner tube and the concrete rise prevention device according to the present invention for achieving the above object by using a steel pipe casing having a predetermined diameter and length on the ground using a vibro hammer hammer Entering into (I); Digging the ground in the steel pipe casing to a predetermined depth by using a hammer grab and a reverse drill (RCD) (II); Injecting an inner tube having a predetermined diameter and length in a longitudinal direction into the steel pipe casing at a predetermined depth; (IV) incorporating a reinforcing bar network having a predetermined size in a longitudinal direction in the inner tube to a predetermined depth; The tremi tube is installed in the center of the reinforcing bar network, and the concrete is placed in the tremi tube and at the same time the steel pipe casing is drawn out.
Vibro Hammer, Steel Pipe Casing, Inner Tube, Reinforcing Bar, Tremi Pipe, Cast In Place

Description

Cast in place concrete pile using vibro magnetic shovel hammer, and the construction method of this}             

1 to 6 is a process chart showing the construction process of the cast-in-place concrete piles according to the present invention,

1 is an exemplary view showing a state in which the steel pipe casing in the ground using a vibro hammer.

2 is an exemplary view showing a state in which the ground consisting of the soil layer in the steel pipe casing is excavated primarily with a hammer grab;

Figure 3 is an exemplary view showing a second excavation of the ground consisting of rock with a reverse drill (RCD),

Figure 4 is an exemplary view showing a state in which the inner tube to the upper end of the weathered rock in the steel pipe casing,

5 is an enlarged cross-sectional view of portion A of FIG. 4;

6 is an exemplary view showing a state in which the reinforcing bar network is embedded in the inner tube;

7 is an exemplary diagram showing a state in which a steel pipe casing is drawn while installing a tremit tube in a reinforcing steel network and placing concrete;

8a to 8d is a cross-sectional view showing the inner tube of various shapes used in the cast-in-place concrete pile according to the present invention,

9a to 9d is a cross-sectional view showing a variety of ring-shaped concrete rise prevention device used in the cast-in-place concrete pile according to the present invention,

Figure 9e is an exemplary view showing an air injection-type concrete rise prevention device used in the cast-in-place concrete piles according to the present invention.

Explanation of symbols on the main parts of the drawing

10: ground 12: soil layer

14: gravel layer 16: weathered rock

18: soft rock 20: steel pipe casing

30: vibro hammer 40: hammer grab

50: reverse drill (RCD) 60: inner tube

70: rebar network 80: tremi tube

90: concrete 100: spacer

110: ring-shaped concrete rise prevention device 112: hollow

114 wings

120: air injection concrete rise prevention device

122: iron plate 124: air tube

126: air valve 128: pipe

The present invention relates to a cast-in-place concrete pile using an inner tube and a concrete rise prevention device and a construction method thereof, in particular, a steel pipe casing and inner for the construction of a cast-in-place concrete pile installed to enhance the bearing capacity of the ground on which the civil engineering structure is installed. The present invention relates to an in situ concrete pile and an installation method thereof using an inner tube and a concrete rise prevention device which organically combine a tube and a concrete rise prevention device to facilitate the construction of concrete placing and civil structures.

In general, the cast-in-place concrete pile method is a method of forming a pile at the site by driving the casing up to the planned depth of the ground, excavating the inside of the casing, and then entering the reinforcing steel network and pouring concrete using a tremi pipe. As a result, it is divided into a buried method and a drawn method according to the purchase and withdrawal of the ground casing.

Here, the former conventional embedded cast-in-place concrete pile method is a method in which the steel pipe casing satisfies only the role of the cast-in-place concrete pile form, and is buried and buried in the ground.

In addition, the latter conventional draw-type cast-in-place concrete pile method is a method of injecting a steel pipe casing to a predetermined support layer depth, and then drawing a casing while casting concrete while casting concrete, thereby directly connecting with groundwater. In case of contacting part, there is a primary problem that the concrete is lost before the concrete is hardened by the flow of groundwater, and there is a problem of securing quality such as excessive slime caused by scratching of the wall when inserting the reinforcing bar.

Therefore, the present invention has been devised to solve the problems described above, steel pipe casing and inner tube and concrete rise prevention for the construction of cast-in-place concrete pile installed to strengthen the bearing capacity of the ground on which the civil structure is installed It is a first object to provide a cast-in-place concrete pile and an installation method thereof using an inner tube and a concrete rise prevention device that facilitate the construction of concrete and civil structures by organically combining the devices.

In addition, this steel pipe casing can be intruded in sequence while preventing the deformation or breakage of the steel pipe casing, while cutting the obstacles in the ground during the penetration process, and can be repeatedly used even in a severe friction environment. It is a second object to provide an on-site cast concrete pile using an inner tube and a concrete rise prevention device that can improve and shorten the pile construction period, and a construction method thereof.

In addition, by using an inner tube having a perfect formwork of steel in the steel pipe casing, a third object is to provide a cast-in-place concrete pile and a construction method thereof that can prevent the loss of uncured concrete and prevent excessive slime. have.                         

The cast-in-place concrete pile using the inner tube and the concrete rise prevention device according to the present invention for achieving the above object is a steel pipe casing having a predetermined diameter and length in the ground; An inner tube which is inserted into the steel pipe casing at a predetermined depth in a longitudinal direction and has a predetermined diameter and length; A reinforcing bar network embedded in the inner tube at a predetermined depth in a longitudinal direction and made of a predetermined size; It is characterized in that it is made of concrete which is poured in the reinforcing bar and hardened at the same time.

In addition, in-site casting concrete pile construction method using the inner tube and the concrete rise prevention device according to the present invention for achieving the above object by using a steel pipe casing having a predetermined diameter and length on the ground using a vibro hammer hammer Entering into (I); Digging the ground in the steel pipe casing to a predetermined depth by using a hammer grab and a reverse drill (RCD) (II); Injecting an inner tube having a predetermined diameter and length in a longitudinal direction into the steel pipe casing at a predetermined depth; (IV) incorporating a reinforcing bar network having a predetermined size in a longitudinal direction in the inner tube to a predetermined depth; Step (V) is installed in the center of the reinforcing wire network, the concrete is poured into the tremy pipe and drawing steel pipe casing at the same time.

Hereinafter, with reference to the accompanying drawings, the present invention will be described in detail.

1 to 6 is a process diagram showing the construction process of the cast-in-place concrete piles according to the present invention, Figure 1 is an exemplary view showing a state in which the steel pipe casing in the ground using a Vibro hammer, Figure 2 Figure 2 is an exemplary view showing a state of excavating the ground consisting of the soil layer in the steel pipe casing first with a hammer grab, Figure 3 is an exemplary view showing a state of excavating the ground made of rock secondary with a reverse drill (RCD), 4 is an exemplary view showing a state in which the inner tube is infiltrated to the upper end of the weathered rock in the steel pipe casing, FIG. 5 is an enlarged cross-sectional view of part A of FIG. 4, and FIG. Figure 7 is an exemplary view showing a state, Figure 7 is an exemplary view showing a state of drawing a steel pipe casing while installing a tremi tube in the reinforcing steel network and placing concrete, Figure 8a to 8d is a site casting according to the present invention Figure 9 is a cross-sectional view showing the inner tube of various shapes used in the concrete pile, Figures 9a to 9d is a cross-sectional view showing a variety of ring-shaped concrete rise prevention device used in the cast-in-place concrete pile according to the present invention, Figure 9e Exemplary diagram showing the air injection type concrete rise prevention device used in the cast-in-place concrete pile according to the invention.

As shown in these drawings, the cast-in-place concrete piles using the inner tube and the concrete rise prevention device according to the present invention is entered into the ground 10 to a predetermined depth, the steel pipe casing 20 having a predetermined diameter and length and; An inner tube 60 inserted into the steel pipe casing 20 at a predetermined depth in a longitudinal direction and having a predetermined diameter and length; A reinforcing bar network 70 formed in the inner tube 60 at a predetermined depth in a longitudinal direction and made of a predetermined size; It is composed of concrete 90 which is poured into the reinforcing bar 70 and simultaneously hardened.

That is, the cast-in-place concrete pile using the inner tube and the concrete rise prevention device according to the present invention is composed of a steel pipe casing 20, the inner tube 60 and the reinforcing bar network 70.

Here, the steel pipe casing 20 is composed of a tip and a connecting portion, the utility model registration application 20-2003-0004397 (steel pipe pile connector), 20-2003-0012498 (in-site cast concrete piles filed by the applicant of the present invention) Casing connection device for the steel pipe casing 20 with respect to the tip and the connecting portion of the steel pipe casing 20 is mentioned in detail in the present invention, further description of the steel pipe casing 20 will be omitted.

In addition, the inner tube 60 is a steel pipe casing 20 is inserted into the inlet until the hardening of the concrete 90, and then pulled out, the concrete 90 when the concrete 90 is introduced between the steel pipe casing 20 and the hollow wall ( Since the steel pipe casing 20 does not fall out due to the hardening of 90, the inner tube 60 is installed on the inner circumferential surface of the steel pipe casing 20 to not only prevent this but also reinforce the strength in the hollow wall.

Here, the inner tube 60 has a cross-sectional shape formed of any one of a circular tube, a corrugated tube, a spiral tube, a smooth tube, and a corrugated tube, and the material is composed of steel sheet, plastic, fiber reinforced plastic (FRP), and the like.

In addition, the spacer 100 is fixed to the outer circumferential surface at predetermined intervals along the longitudinal direction of the inner tube 60.

In particular, the spacer 100 is installed to accurately hold the position of the inner tube 60 when the inner tube 60 is inserted into the steel pipe casing 20, that is, the inner tube 60 is located within the steel pipe casing 20. In order to achieve accurate installation in the steel pipe casing 20 by alternately installing the spacer 100 on the left and right sides of the inner tube 60 so as not to be biased to either side.

In addition, the inner tube 60 is provided with a separate ring-shaped or air-injected concrete rise prevention device (110, 120) on the outer peripheral surface of the lower end,

The ring-shaped concrete rise prevention device 110 is formed in the center of the hollow 112, the wing portion 114 is formed on the outer circumferential surface, the cross-sectional shape is a ring-shaped formed in any one of the shape of a circle, cone, boss It is a concrete rise prevention device (110).

When the concrete 90 is poured while the inner tube 60 is positioned in the steel pipe casing 20, the poured concrete 90 rises from the lower end of the inner tube 60 and the steel pipe casing 20. This is to block the sprinkling between the inner circumference.

In addition, the air injection concrete rise prevention device 120 includes an air tube 124, the air valve 126 is installed; Consists of a pipe 128 for injecting air into the air tube 124 through the air valve 126, it is fixed to the lower end of the inner tube 60 via the iron plate 122.

That is, when the air-injected concrete rise prevention device 120 having the configuration as described above is attached to the outside of the inner tube 60 through the iron plate 122 and inserted into the steel pipe casing 20, the steel pipe casing 20 When the inner tube 60 is inserted into the inner tube 60, the outer circumferential surface of the inner tube 60 can be prevented from being damaged, and after the inner tube 60 is inserted into the steel pipe casing 20, the pipe of the air-filled concrete climbing device 120 When the air is injected through the air 128, the air is gradually expanded in the air tube 124 through the air valve 126, and ultimately, the space between the inner circumferential surface of the steel pipe casing 20 and the outer circumferential surface of the inner tube 60 is air. Tube 124 is just about to come out.

Therefore, the air tube 124 blocks the space between the inner circumferential surface of the steel pipe casing 20 and the outer circumferential surface of the inner tube 60, so that the concrete may be cast by the inner circumferential surface of the steel pipe casing 20 and the inner tube 60. It can prevent the concrete poured between the outer circumferential surface of the).

In particular, the air-injected concrete rise prevention device 120 is when the concrete is poured using the reinforcing bar 70, the cast concrete is not due to the influence of the current or groundwater and the drawing of the steel pipe casing 20 Loss of hardened concrete can be prevented.

On the other hand, the reinforcing bar 70 is a cylindrical structure consisting of reinforcing bars in the vertical and horizontal.

Such a reinforcing bar 70 is to increase the frictional force of the periphery of the site-cast concrete piles and the bearing capacity of the tip.

 It describes the construction of the cast-in-place concrete pile using the inner tube and the concrete rise prevention device according to the present invention made of the configuration as described above.

In-site casting concrete pile construction method using the inner tube and the concrete rise prevention device according to the present invention by using a steel pipe casing 20 having a predetermined diameter and length on the ground (10) using a vibro hammer (30) Entering into (I); Excavating the ground (10) in the steel pipe casing (20) to a predetermined depth by using a hammer grab (40) and a reverse drill (RCD) (II); Inserting an inner tube (60) having a predetermined diameter and length in a longitudinal direction into the steel pipe casing (20) to a predetermined depth (III); A step (IV) of reinforcing the reinforcing bar network 70 having a predetermined size in the longitudinal direction in the inner tube 60 to a predetermined depth; Step (V) is installed in the center of the reinforcing bar 70, the concrete (90) is placed in the tremi pipe (80) and the steel pipe casing (20) at the same time.

Here, in the excavation step (II) of the ground 10, the ground 10, which is composed of the soil layer 12 or the gravel layer 14, is excavated using the hammer grab 40, and the weathered rock 16 or the secondary is Excavating the ground (10) consisting of the soft rock (18) using a reverse drill (50) and removes slime at the same time.

In addition, the inner tube 60 indentation step (IV) is a weathered rock (16) of the ground 10 in the steel pipe casing 20 in the state that the air injection type concrete rise prevention device 120 is attached to the lower end of the inner tube (60) ) Enter to the top.

In addition, after the inner tube 60 is inserted into the steel pipe casing 20, the air tube 120 is expanded by injecting air through the pipe 128 of the air injection type concrete rise prevention device 120. do.

Here, when the air is injected into the air tube 120 of the air-injected concrete rise prevention device 120 to expand, there is an effect that can prevent the filling of the concrete due to the concrete pouring in the inner tube (60).

That is, in-situ concrete pile construction method using the inner tube and the concrete rise prevention device according to the present invention after the steel pipe casing 20 to the ground (10) by vibro hammer 30, the steel pipe casing (20) Excavate the soil layer 12 and the gravel layer 14 primarily with the hammer grab 40, and remove the slime while digging the rocks 16 and 18 secondly with a reverse drill (RCD), and the steel pipe casing ( 20, the inner tube 60 is indented, and the concrete rise prevention device (110, 120) is attached to the lower end of the inner tube (60) to the upper end of the weathered rock (16), the inner tube (60) Into the reinforcing steel bar 70, and to cast concrete 90 through the tremi pipe 80 and at the same time to draw the steel pipe casing 20 to form a cast-in-place concrete pile in the ground.

Therefore, the site-casting concrete pile and the construction method using the inner tube and the concrete rise prevention device according to the present invention made of the configuration and construction as described above and the construction method is installed to strengthen the bearing capacity of the ground on which the civil structure is installed Steel pipe casing (20) and inner tube (60) and air-injected concrete rise prevention device (120) for pile construction are organically combined to facilitate the construction of concrete pouring and civil structures, and when the underground pipe penetration of steel pipe casing (20) The steel pipe casing 20 is introduced in sequence while preventing deformation or breakage, and the steel pipe casing 20 can be infiltrated while cutting the obstacles in the ground during the penetration process, and the steel pipe casing 20 can be repeatedly used even in a severe friction environment. Penetration efficiency of (20) can be improved, the pile construction period can be shortened, and perfect in the steel pipe casing (20) By using the inner tube 60 and the inflatable concrete rise prevention device 120 has a die steel type, the functions and effects which can not only prevent the loss of concrete prevent excessive generation of slime.

As described above, the cast-in-place concrete pile and the construction method using the inner tube and the concrete rise prevention device according to the present invention has the following effects.

First, the present invention facilitates the construction of concrete pouring and civil structures by organically combining the steel pipe casing and the inner tube and concrete rise prevention device for the construction of the site-placed concrete pile installed to strengthen the bearing capacity of the ground on which the civil structure is installed This shortens the construction period and has the advantage of improving the quality of civil engineering structures.

Secondly, the present invention can be intrusive while cutting the obstacles in the ground during the penetration process while the steel pipe casing is sequentially infiltrated while preventing deformation or breakage during the underground penetration of the steel pipe casing, it can be used repeatedly in a severe friction environment, Penetration efficiency is improved, there is an advantage that can shorten the pile construction period.

Third, the present invention has the advantage of preventing the loss of concrete as well as preventing the loss of concrete by using an inner tube having a perfect formwork of steel in the steel pipe casing.

Claims (9)

  1. A steel pipe casing 20 which is recessed in the ground 10 to a predetermined depth and has a predetermined diameter and length;
    An inner tube 60 inserted into the steel pipe casing 20 at a predetermined depth in a longitudinal direction and having a predetermined diameter and length;
    A reinforcing bar network 70 formed in the inner tube 60 at a predetermined depth in a longitudinal direction and made of a predetermined size;
    Cast-in-place concrete pile using the inner tube and the concrete rise prevention device, characterized in that consisting of concrete 90 is being cast and hardened at the same time in the rebar network (70).
  2. The method of claim 1,
    The inner tube 60 is a cast-in-place concrete pile using an inner tube and a concrete rise prevention device, characterized in that the cross-sectional shape is composed of any one of a circular tube, corrugated tube, spiral tube, smooth tube, corrugated tube.
  3. The method of claim 1,
    The inner tube 60 is a concrete rise prevention device 110 is installed on its outer circumferential surface, the concrete rise prevention device 110 is made of a hollow 112 in the center, the ring portion 114 is formed on the outer circumferential surface Cast-in-place concrete pile using the inner tube and the concrete rise prevention device, characterized in that consisting of the concrete rise prevention device (110).
  4. The method of claim 1,
    The inner tube 60 is installed on the outer circumferential surface of the concrete rise prevention device 120 via the iron plate 122, the concrete rise prevention device 120 is an air tube 124 air valve 126 is installed )Wow; Using an inner tube and a concrete rise prevention device, characterized in that the air injection-type concrete rise prevention device 120 is composed of a pipe 128 for injecting air into the air tube 124 through the air valve 126 Cast-in-place concrete piles.
  5. The method of claim 3, wherein
    The concrete rise prevention ring 110 is a cast-in-place concrete pile using an inner tube and a concrete rise prevention device, characterized in that the cross-sectional shape is formed in any one of a circular, cone-shaped, boss type.
  6. Injecting a steel pipe casing (20) having a predetermined diameter and length into the ground (10) to a predetermined depth using a vibro hammer (30);
    Excavating the ground (10) in the steel pipe casing (20) to a predetermined depth by using a hammer grab (40) and a reverse drill (RCD) (II);
    Inserting an inner tube (60) having a predetermined diameter and length in a longitudinal direction into the steel pipe casing (20) to a predetermined depth (III);
    Step (IV) incorporating a reinforcing bar network 70 having a predetermined size in a longitudinal direction in the inner tube 60 to a predetermined depth;
    Step (V) is installed in the center of the reinforcing bar (70), the concrete (90) is placed in the tremi pipe (80) and the steel pipe casing (20) is drawn out at the same time. In-cast concrete pile construction method using inner tube and concrete rise prevention device.
  7. The method of claim 6,
    In the excavation step (II) of the ground 10, the ground 10 consisting of the soil layer 12 or the gravel layer 14 is excavated using the hammer grab 40, and the weathered rock 16 or the soft rock (secondary) ( 18) the method of constructing concrete piles using the inner tube and the concrete rise prevention device, characterized in that the ground (10) consisting of excavation and removal of slime at the same time using the reverse drill (50).
  8.  The method of claim 6,
    The inner tube 60 indentation step (IV) is the upper end of the weathered rock (16) of the ground (10) in the steel pipe casing (20) with the air-injected concrete rise prevention device (120) attached to the lower end of the inner tube (60) Construction method of cast-in-place concrete pile using inner tube and concrete rise prevention device characterized in
  9. The method according to claim 6 or 8,
    After the inner tube 60 is inserted into the steel pipe casing 20, the air tube 120 is expanded by injecting air through the pipe 128 of the air-injected concrete rise prevention device 120. Construction method of cast-in-place concrete piles using inner tube and concrete rise prevention device.
KR1020040093366A 2004-11-16 2004-11-16 Cast in place concrete pile using vibro magnetic shovel hammer, and the construction method of this KR100618597B1 (en)

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KR1020040093366A KR100618597B1 (en) 2004-11-16 2004-11-16 Cast in place concrete pile using vibro magnetic shovel hammer, and the construction method of this

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KR101022045B1 (en) * 2010-06-08 2011-03-16 주식회사 지앤지테크놀러지 A tidal current generator
CN106337414A (en) * 2016-09-20 2017-01-18 上海振中机械制造有限公司 Method for vibration impact holing and pile forming

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KR100758113B1 (en) 2006-11-03 2007-09-11 김지용 Cast-in-place large diameter piling method by casing rotator in underwater rock conditions
KR100846874B1 (en) 2007-05-11 2008-07-16 은성기초건설(주) Methode of ground drilling for pier foundation
KR101152265B1 (en) 2010-04-09 2012-06-14 김성규 Prestressed bored pile construction method and structures
KR101039554B1 (en) * 2010-11-08 2011-06-09 (주)하경엔지니어링 Combination pile having a cast in place concrete pile combined with a phc or steel pile and the construction method using the same
KR101543209B1 (en) * 2015-04-28 2015-08-07 박을재 Boring and grouting constructuring method and post with Geo tube
KR101710363B1 (en) 2015-09-11 2017-02-27 박을재 Geo tube for Concrete Pile driven in field and the seaming method
KR101664368B1 (en) 2016-04-27 2016-10-24 박을재 A cast-in place pile arrangement method for head of concrete pile exposed to outside using geo tube
KR101878832B1 (en) * 2018-06-05 2018-07-17 대림산업 주식회사 Tremie Plate Having a Crane Function of Reinforcing Bar and Verticality Maintaining Method for Reinforcing Bar of the Reinforced Concrete Pile Using the Same

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JPS6116810B2 (en) 1981-08-27 1986-05-02 Taisei Corp
JPH0621949Y2 (en) * 1990-09-13 1994-06-08 大田機材株式会社 Concrete pile head Reinforcement
JPH068435U (en) * 1992-07-06 1994-02-04 大成建設株式会社 Pile head reinforcement structure
KR0148437B1 (en) * 1995-07-14 1998-11-02 노명관,성학중 Pile construction method in underground boulder zone
KR200325151Y1 (en) 2003-05-16 2003-09-02 주식회사 대왕 이엔씨 The isolated footing type under-Reamed

Cited By (2)

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KR101022045B1 (en) * 2010-06-08 2011-03-16 주식회사 지앤지테크놀러지 A tidal current generator
CN106337414A (en) * 2016-09-20 2017-01-18 上海振中机械制造有限公司 Method for vibration impact holing and pile forming

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