KR101437000B1 - Foundation concrete and easy fixing micro-pile and its construction method - Google Patents

Foundation concrete and easy fixing micro-pile and its construction method Download PDF

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Publication number
KR101437000B1
KR101437000B1 KR1020130031987A KR20130031987A KR101437000B1 KR 101437000 B1 KR101437000 B1 KR 101437000B1 KR 1020130031987 A KR1020130031987 A KR 1020130031987A KR 20130031987 A KR20130031987 A KR 20130031987A KR 101437000 B1 KR101437000 B1 KR 101437000B1
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KR
South Korea
Prior art keywords
nut
mounting
partition plate
foundation concrete
pressing
Prior art date
Application number
KR1020130031987A
Other languages
Korean (ko)
Inventor
백규호
Original Assignee
백규호
주식회사 파일웍스
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Application filed by 백규호, 주식회사 파일웍스 filed Critical 백규호
Priority to KR1020130031987A priority Critical patent/KR101437000B1/en
Application granted granted Critical
Publication of KR101437000B1 publication Critical patent/KR101437000B1/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
    • E02D5/74Means for anchoring structural elements or bulkheads
    • E02D5/80Ground anchors
    • EFIXED CONSTRUCTIONS
    • E02HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
    • E02DFOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
    • E02D27/00Foundations as substructures
    • E02D27/01Flat foundations
    • E02D27/08Reinforcements for flat foundations
    • EFIXED CONSTRUCTIONS
    • E02HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
    • E02DFOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
    • E02D3/00Improving or preserving soil or rock, e.g. preserving permafrost soil
    • E02D3/12Consolidating by placing solidifying or pore-filling substances in the soil
    • 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
    • E02D5/62Compacting the soil at the footing or in or along a casing by forcing cement or like material through tubes
    • EFIXED CONSTRUCTIONS
    • E02HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
    • E02DFOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
    • E02D2200/00Geometrical or physical properties
    • E02D2200/16Shapes
    • E02D2200/1671Shapes helical or spiral
    • EFIXED CONSTRUCTIONS
    • E02HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
    • E02DFOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
    • E02D2250/00Production methods
    • E02D2250/003Injection of material
    • EFIXED CONSTRUCTIONS
    • E02HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
    • E02DFOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
    • E02D2600/00Miscellaneous
    • E02D2600/30Miscellaneous comprising anchoring details

Abstract

The present invention is simple and easy to install the fusing unit on the microfilm constructed through the foundation concrete of the structure and the foundation layer through the foundation foundation foundation foundation, and also the foundation concrete and the microfiber are integrally formed by the fusing unit, The present invention relates to a foundation pile capable of stably delivering a drawing and compressing load of a structure to a micro pile and a micro pile which can be easily fixed and a construction method thereof.

Description

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a foundation concrete and an easy-fixing micro-pile,

The present invention can simplify and facilitate the installation process of the fixing part fastened to the upper part of the micro pile installed in the foundation concrete of the structure and the perforation hole of the foundation concrete lower ground and also the foundation concrete and the micro pile are integrally formed The present invention relates to a microfiber and a method of constructing the microfiber, which are easy to fix, and which are capable of stably delivering a drawing force and a compressive load of a structure acting on a foundation concrete to a microfiber.

Generally, when reinforcing the foundation for the vertical expansion of existing structures, a perforation hole is formed from the foundation concrete of the structure and the underlying ground to the support layer, and micro piles are formed by inserting stiffener into the perforation hole and filling with cement milk The foundation of the existing structure was reinforced by installing the fusing part on the upper part of the stiffener protruding above the foundation concrete, which had been enlarged to the shallow depth of the upper part, and by placing the cement mortar on the microfiber and the foundation concrete.

However, in the conventional reinforcing method of the foundation as described above, since the fixing part provided at the upper end of the micro-pile is not completely integrated with the foundation concrete of the existing structure but merely joined at a very weak level by the cement mortar, There is a problem that the drawing and compression load acting additionally to the foundation concrete can not be properly transmitted to the micro pile.

In addition, in order to install a fusing plate in a microfiber, a piercing hole having a shallow depth is formed on the upper portion of the foundation concrete with a wider size than the fusing plate, and then the cement mortar must be placed in a state in which the fusing plate is seated. There was an increase in work time.

In order to solve the above problems, Korean Patent Registration No. 10-1080923 has recently registered a microfilm settlement structure and a settlement method.

In the prior art, a stiffener is installed at the center of the foundation concrete and the perforation hole formed in the ground, the fixing nut is fastened to the stiffener, and the first ring plate is placed on the fixing nut. The bar is placed and joined to the insertion hole formed in the foundation concrete.

The second ring plate is seated on the insertion bar coupled to the insertion hole, and the upper fixing nut is fastened and fixed to the stiffener, and then the cement milk is filled and cured in the perforation hole.

However, it is difficult to control the height of the fixing nut fastened to the stiffener so as to support the first ring plate and the operation of joining the insertion bar to the insertion hole of the foundation concrete, There was an increasing problem.

In order to solve the above problems, Korean Patent No. 10-1138499 has recently registered a method of fixing a head of a microfilm and a device thereof.

In the patent, a perforation hole is formed up to the foundation concrete, the lower ground and the support layer, the reinforcement is inserted into the perforation hole, the fixation plate is fixed to the upper end of the reinforcement, The cement milk may be filled and cured in the perforation hole and the horizontal hole through the hose inlet of the fixing plate in the state where the common reinforcing bars are inserted into the horizontal holes formed in the lower direction in the radial direction.

However, in the patent registered in the prior art, since the fixing plate is fixed to the upper end of the micro-pile and the common reinforcing bar is coupled to the horizontal hole, the work process is increased and the work process is complicated. there was.

SUMMARY OF THE INVENTION The present invention has been made in view of the above-mentioned problems, and it is an object of the present invention to provide a microfiber which is constructed by inserting a reinforcing material into a perforation hole formed in a foundation of a structure and a foundation underneath the foundation concrete, In order to simplify and simplify the installation process of the fusing unit which is fastened to the upper end of the microfiles, the working time is shortened and the basic concrete is integrated with the microfiles so that the foundation concrete load can be transmitted to the microfiles The present invention provides a microfiber and a method of constructing the microfiber which are easy to fix with concrete.

The foundation concrete of the present invention and the micro pile, which is easy to fix,

A perforation hole through which the foundation concrete of the structure is pierced to the support layer through the foundation under the foundation concrete;

A receiving space formed on the inner surface of the foundation concrete perforation hole or on the inner surface of the upper end of the perforation hole formed in the ground under the foundation concrete to have a larger diameter than the perforation hole;

A reinforcing member inserted into the perforation hole and having a thread formed on an outer circumferential surface thereof;

A fixing unit that is fastened to the thread of the reinforcing member and fixed thereto;

And a cement milk poured and cured in the perforation hole into which the reinforcing material is inserted,

Wherein the fixing unit comprises:

A supporting nut fastened to the thread of the reinforcing member;

A partition plate mounted on the support nut and horizontally moved in the radial direction so as to be positioned in the accommodation space according to the pressure of the pressing nut;

And a pressing nut which is fastened to the thread of the reinforcing member and presses the inclined surface protruding downward to thereby horizontally move the dividing plate in the radial direction.

According to the present invention, there is provided a method of constructing a foundation pavement,

Forming a perforation hole from the foundation concrete of the structure and the foundation under the foundation concrete to the support layer;

Forming a receiving space having a diameter larger than that of the perforation hole by being excavated from the inner surface of the foundation concrete hole or the inner surface of the upper end of the ground hole at the bottom of the foundation concrete;

Inserting a reinforcing material into the perforation hole of the foundation concrete and the ground;

Installing a fixing unit on an upper end thread of the reinforcing member;

Rotating the fixing unit with the mounting unit to make the partitioning plates of the accommodation space and the fixing unit coaxially aligned;

Moving the partitioning plate horizontally in the radial direction in accordance with the guide of the movement guide part while the pressing nut of the fixing part is rotated by the mounting part so as to be located in the accommodation space when the partitioning plate is located in the same line as the accommodation space;

And separating the mounting hole from the fixing part when the partition plate is located in the accommodation space, and injecting and curing the cement milk into the perforation hole through the injection port of the fixing part.

According to the present invention, the installation process of the fusing unit for fastening the upper end of the micro pile is simple in order to integrate the microfiles to be installed by inserting the stiffener into the perforation holes formed in the foundation concrete of the structure and the foundation concrete and charging the cement milk It is possible to shorten the working time and improve the economical efficiency by improving the working efficiency.

In addition, according to the present invention, the cement milk is injected and cured in the receiving space and the perforation hole through the injection port of the fusing unit, so that the micro pile and the foundation concrete are integrally formed by the fusing unit, The pulling and compressing load of the structure can be stably transferred to the micro pile to support the structure, thereby having an advantage that the user can improve the reliability of the product.

1 is an exploded perspective view
Fig. 2 is a side view
Figs. 3 to 9 show the construction process of the present invention

Hereinafter, the present invention will be described in detail with reference to the accompanying drawings. 1 is an exploded perspective view of the present invention.

The foundation pavement 100 and the foundation pavement 100 of the present invention have a pore hole 11 which is pierced to the support layer 30 through the foundation concrete 10 of the structure and the ground 20 under the foundation concrete 10, The inner surface of the upper end of the perforation hole 21 formed on the inner surface of the perforation hole 11 of the foundation concrete 10 or the ground 20 of the foundation concrete 10 is excavated to form the perforation hole 11, A stiffener 110 having a thread formed on an outer circumferential surface of the stiffener 110 and inserted into the perforation holes 11 and 21 is formed in the receiving space 11 ' And a cement milk 130 installed and cured in the perforation holes 11 and 21 into which the reinforcing material 110 is inserted, The support 120 is provided with a support nut 121 which is fastened to and supported by the thread of the reinforcing member 110, A partition plate 122 which is seated and horizontally moved in the radial direction so as to be positioned in the receiving space 11 'in response to the pressing of the pressing nut 123, And a pressing nut 123 which presses the partition plate 122 to horizontally move the partition plate 122 in the radial direction, as will be described in more detail below.

And an inclined surface 122 'formed on the partition plate 122 so as to be in surface contact with the inclined surface 123' of the pressing nut 123.

And a separation preventing portion 124 for preventing separation of the partition plate 122 seated on the support nut 121. The separation preventing portion 124 is formed on an outer peripheral surface of the partition plate 122, And a partition plate 122 which is mounted on the release preventing groove 124a and moves by rotation of the pressing nut 123 while preventing the partition plate 122 from flowing and leaving, And a release preventing member 124b that is cut by the guide member 124a.

And a separation preventing portion 125 for preventing the partition plate 122, which is horizontally moved in the radial direction by the pressing nut 123, from being separated from the supporting nut 121 and the pressing nut 123, The separation preventing part 125 is provided with a locking protrusion 125a formed on the upper surface and the lower surface of the partition plate 122. The pressing nut 123 and the support nut 121 are fixed to the locking protrusion 125a, And a detachment protrusion 125b formed on the protrusion 125a.

And a movement guide part 126 for guiding the horizontal movement of the partition plate 122 in response to the pressing of the pressing nut 123. The movement guide part 126 is provided on the upper surface of the support nut 121 And a movement guide protrusion 126b protruding from the bottom surface of the partition plate 122 to be coupled to the movement guide groove 126a.

The movement guide groove 126a and the movement guide projection 126b are formed to have a narrow upper portion and a wide lower portion to prevent the movement guide projection 126b from separating from the movement guide groove 126a.

And a mounting hole 140 for fixing the pressing nut 123 and the supporting nut 121 to the stiffener 110. The mounting hole 140 is formed by the pressing nut 123 and the partition plate And a mounting rod 142 mounted to a plurality of mounting holes 141 passing through the supporting nut 121 perpendicularly to the supporting nut 121. A mounting member 143 for connecting the mounting rod 142 is provided And a handle 144 mounted on the mounting member 143 and rotated.

Hereinafter, a construction process of the present invention will be described.

3, the perforation holes 11 and 21 are drilled through the foundation concrete 10 of the structure and the ground 20 under the foundation concrete 10 to the support layer 30, The inner surface of the upper end of the perforation hole 21 formed on the inner surface of the perforation hole 11 formed in the concrete 10 or the ground 20 under the foundation concrete 10 is excavated so as to be accommodated in a larger diameter than the perforation holes 11, Thereby forming a space 11 '.

The height and depth of the accommodation space 11 'may be any size that can accommodate the partition plate 122 of the fusing unit 120 which is fastened to the thread of the stiffener 110 and horizontally moved in the radial direction .

The stiffener 110 having the threads formed in the perforation holes 11 and 21 formed in the above process is connected to the coupler 110 'and then inserted into the support layer 30, As shown in FIG. 4, the support nut 121 of the fixing unit 120 is fastened, and then the partition plate 122, which is divided into at least two equal parts, is seated on the support nut 121.

The movement guide protrusion 126b formed on the bottom surface of the partition plate 122 is coupled to the movement guide groove 126a formed on the upper surface of the support nut 121 to guide the horizontal movement of the partition plate 122, The grooves 126a and the movement guide protrusions 126b may be formed to have a narrow upper portion and a wide lower portion to prevent the movement guide protrusion 126b from departing from the movement guide groove 126a.

The movement guide groove 126b and the movement guide projection 126b may be formed on the partition plate 122 and the support nut 121. [

When the movement guide projection 126b is engaged with the movement guide groove 126a and the partition plate 122 is seated on the support nut 121, the separation prevention part 124 formed on the outer peripheral surface of the partition plate 122, The release preventing member 124b is mounted on the release preventing groove 124a of the partition plate 122 to prevent the partition plate 122 from flowing and leaving.

Needless to say, the mounting hole 141 for coupling the support nut 121 with the mounting hole 140 formed in the partition plate 122 should be communicated with each other.

A mounting nut 141 is fastened to the supporting nut 121 and the partitioning plate 122 and the pressing nut 123 by fastening the pressing nut 123 to the stiffener 110 so as to be positioned above the partitioning plate 122 5, after fitting the mounting rod 142 connected to the mounting hole 141 by the mounting member 143, the handle 144 formed on the mounting member 143 is rotated So that the fixing unit 120 moves along the thread of the reinforcing member 110 while rotating.

The fixing unit 120 rotating along the thread of the stiffener 110 stops the rotation of the mounting unit 140 while the fixing unit 120 stops. 11 ') and the horizontal line.

6, the mounting hole 140 of the mounting hole 140 is inserted through the mounting nut 121 and the mounting hole of the mounting hole 140, And then the knob 144 of the mounting hole 140 is rotated so that the mounting rod 142 is engaged with the pressing nut 141. Then, (123) moves down along the thread of the stiffener (110) while rotating.

At this time, the inclined surface 123 'protruding downward from the pressing nut 123 presses the inclined surface 122' formed on the partition plate 122, and the partition plate 122 presses the upper surface of the support nut 121 Since the separation plate 122 is engaged with the separation prevention groove 124a, the movement of the separation plate 122 is partially restrained.

However, the horizontal force of the partitioning plate 122 due to the rotation of the pressing nut 123 is greater than the restraining force of the separation preventing member 124b, so that the partitioning plate 122 is supported by the rotation of the pressing nut 123 The separation plate 122 is horizontally moved radially along the upper surface of the support nut 121 while the release preventing member 124b is tensioned and cut.

At this time, the movement guide protrusion 126b of the movement guide portion 126 formed on the bottom surface of the partition plate 122 horizontally moves along the movement guide groove 126a formed on the upper surface of the support nut 121, The movement guide protrusion 126a and the movement guide protrusion 126b are formed to have a narrow upper portion and a wider lower portion to prevent the movement guide protrusion 126b from being separated from the movement guide groove 126a.

When the partitioning plate 122 horizontally moves in the radial direction along the upper surface of the support nut 121 by the rotation of the pressing nut 123, the protrusion of the separation preventing portion 125 formed on the partitioning plate 122 The separation plate 122 is engaged with the support nut 121 and the pressing nut 123 while the outward movement of the support nut 121 is stopped and the separation preventing protrusion 125b formed on the support nut 121 and the pressure nut 123 is stopped, And is placed in the accommodating space 11 'in a completely integrated state.

7, the locking protrusions 125a of the separation preventing part 125 are provided on the upper surface and the lower surface of the partition plate 122 and are provided on the upper and lower surfaces of the partition plate 122, A detachment protrusion 125b is provided in the pressing nut 123 and the supporting nut 121 so as to correspond to the locking protrusion 125a.

8 to 9, when the partition plate 122 is positioned in the accommodation space 11 ', the mounting hole 140 is separated from the fusing unit 120, The cement milk 130 injects the cement milk 130 into the perforation holes 11 and 21 through the injection holes 121 formed in the support nuts 121 and 123 and the perforation holes 11 and 21, The microfibers 110 are injected and cured up to the perforation holes 11 formed in the foundation concrete 10 above the fusing unit 120 through the accommodation space 11 'and the injection port 121' .

The microfilm 110 formed in the foundation concrete 10 and the perforation holes 11 and 21 is introduced into the fusing unit 120 and the perforation holes 11 and 21 through the cement milk 130 The load acting on the foundation concrete 10 can be stably transferred to the micro pile 110 by improving the fixing strength between the foundation concrete 10 and the micro pile 110. [

While the present invention has been described in connection with certain exemplary embodiments thereof, it is to be understood that the phraseology and terminology used herein are for the purpose of description and should not be interpreted to limit the scope of the present invention. Should be interpreted as a concept. Accordingly, it is intended that the present invention cover the modifications and variations of this invention provided they come within the scope of the appended claims and their equivalents. It should be understood.

100: Micro file 110: Stiffener
110 ': Coupler 120: Fusing unit
121: support nut 122: partition plate
123: pressure nut 124:
125: separation prevention part 126: movement prevention part
130: Cement milk 140: Mounting hole
141: mounting hole 142: mounting rod
143: mounting member 144: handle

Claims (17)

  1. A perforation hole through which the foundation concrete of the structure is pierced to the support layer through the foundation under the foundation concrete;
    A receiving space formed on the inner surface of the foundation concrete perforation hole or on the inner surface of the upper end of the perforation hole formed in the ground under the foundation concrete to have a larger diameter than the perforation hole;
    A reinforcing member inserted into the perforation hole and having a thread formed on an outer circumferential surface thereof;
    A supporting nut secured to the thread of the stiffener to be fastened and fixed to the thread of the reinforcing member and being horizontally moved in the radial direction so as to be positioned in the receiving space according to the pressing of the pressing nut, A fixing unit having a pressing nut which is inserted into the thread of the reinforcing member and presses the inclined surface protruding downward to press the partition plate horizontally in the radial direction;
    A plurality of mounting holes perpendicularly passed through the pressing nut, the partition plate, and the support nut;
    A mounting hole for fastening the pressing nut and the supporting nut to the stiffener through the mounting hole;
    And a cement milk poured into and cured in the perforation hole into which the reinforcing material is inserted.
  2. The method according to claim 1,
    Further comprising an inclined surface formed on the partition plate so as to be in surface contact with an inclined surface of the pressing nut.
  3. The method according to claim 1,
    Further comprising a separation preventing portion for preventing separation of the partition plate that is seated on the support nut.
  4. 4. The apparatus of claim 3,
    A separation preventing groove formed on the outer peripheral surface of the partition plate;
    And a separation preventing member fitted to the release preventing groove and being cut by a partition plate which horizontally moves in a radial direction by rotation of a pressing nut while preventing a flow and a departure of the partition plate. Easy microfiles.
  5. The method according to claim 1,
    Further comprising a separation preventing portion for preventing the separation plate, which is horizontally moved in the radial direction by the pressing nut, from being separated from the supporting nut and the pressing nut.
  6. [6] The apparatus of claim 5,
    An engaging projection formed on the upper surface and the lower surface of the partition plate;
    And a detachment protrusion formed on the pressing nut and the supporting nut so that the locking protrusion is caught.
  7. The method according to claim 1,
    Further comprising a movement guide portion for guiding the horizontal movement of the partition plate according to the pressing of the pressing nut.
  8. 8. The apparatus according to claim 7,
    A moving guide groove formed on the upper surface of the support nut in a radial direction;
    And a movement guide protrusion protruding from a bottom surface of the partition plate to be coupled to the movement guide groove.
  9. The method of claim 8,
    Wherein the movement guide groove and the movement guide projection have a narrow upper portion and a broader lower portion to prevent the movement guide projection from being separated from the movement guide groove.
  10. delete
  11. The method according to claim 1,
    A mounting bar mounted on the plurality of mounting holes;
    A mounting member provided with a mounting member for connecting the mounting rods and fastening the pressing nut and the supporting nut to the reinforcing member;
    And a handle that is mounted on the mounting member and rotates.
  12. Forming a perforation hole from the foundation concrete of the structure and the foundation under the foundation concrete to the support layer;
    Forming a receiving space having a diameter larger than that of the perforation hole by being excavated from the inner surface of the foundation concrete hole or the inner surface of the upper end of the ground hole at the bottom of the foundation concrete;
    Inserting a reinforcing material into the perforation hole of the foundation concrete and the ground;
    Installing a fixing unit on an upper end thread of the reinforcing member;
    Rotating the fixing unit with the mounting unit to make the partitioning plates of the accommodation space and the fixing unit coaxially aligned;
    When the partition plate is located on the same line as the accommodation space, a plurality of mounting holes perpendicularly passing through the pressing nut, the partition plate, and the support nut are collinearly positioned and the pressing nut of the fixing unit is fixed by the mounting hole, Moving the partitioning plate horizontally in the radial direction in accordance with the guide of the movement guide portion while rotating to position the partitioning plate in the accommodation space;
    And a step of injecting and curing the cement milk into the perforation hole through the injection port of the fixing unit after the mounting port is separated from the fixing unit when the partition plate is located in the accommodating space. Construction method of micro file.
  13. The method of claim 12,
    Wherein when the separating plate moves horizontally by rotation of the pressing nut, the engaging protrusion formed on the partitioning plate is caught by the detachment protrusion formed on the pressing nut and the supporting nut and stopped moving. Way.
  14. [Claim 15] The apparatus according to claim 12,
    A moving guide groove formed on the upper surface of the support nut in a radial direction;
    And a movement guide protrusion protruding from a bottom surface of the partition plate to be coupled to the movement guide groove.
  15. The image forming apparatus according to claim 12,
    A supporting nut fastened to the thread of the reinforcing member;
    A partition plate which is placed on the support nut and is divided into two or more parts;
    And a pressing nut which is fastened to the thread of the reinforcing member and presses the sloped surface protruding downward to horizontally move the dividing plate in the radial direction.
  16. The method of claim 12,
    A mounting bar mounted on the plurality of mounting holes;
    A mounting member provided with a mounting member for connecting the mounting rods and fastening the pressing nut and the supporting nut to the reinforcing member;
    And a handle for mounting on the mounting member and rotating the mounting member.
  17. The method of claim 12,
    Further comprising the step of mounting a release preventing member in a release preventing groove formed on an outer circumferential surface of the partition plate when the fixing unit is installed on the thread of the reinforcing member.
KR1020130031987A 2013-03-26 2013-03-26 Foundation concrete and easy fixing micro-pile and its construction method KR101437000B1 (en)

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR101732134B1 (en) * 2016-03-04 2017-05-04 이기환 Pre-loading method for pile using pre-loading apparatus
KR102091127B1 (en) 2019-07-05 2020-03-19 동아이엔지(주) Joint structure for baseplate-pile and construction method thereof

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0687431U (en) * 1993-06-03 1994-12-22 住金鋼材工業株式会社 Earth anchor
KR100934274B1 (en) * 2009-04-09 2009-12-28 (자)한진개발공사 Soil nail of a ground pressure type and constructing method thereof
KR20120116718A (en) * 2011-04-13 2012-10-23 한밭대학교 산학협력단 Analysis method for gases in the foam
KR20130013899A (en) * 2011-07-29 2013-02-06 이대동 Extended pile

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0687431U (en) * 1993-06-03 1994-12-22 住金鋼材工業株式会社 Earth anchor
KR100934274B1 (en) * 2009-04-09 2009-12-28 (자)한진개발공사 Soil nail of a ground pressure type and constructing method thereof
KR20120116718A (en) * 2011-04-13 2012-10-23 한밭대학교 산학협력단 Analysis method for gases in the foam
KR20130013899A (en) * 2011-07-29 2013-02-06 이대동 Extended pile

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR101732134B1 (en) * 2016-03-04 2017-05-04 이기환 Pre-loading method for pile using pre-loading apparatus
KR102091127B1 (en) 2019-07-05 2020-03-19 동아이엔지(주) Joint structure for baseplate-pile and construction method thereof

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