KR101599327B1 - Earth self-retaining wall method - Google Patents

Earth self-retaining wall method Download PDF

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Publication number
KR101599327B1
KR101599327B1 KR1020150144422A KR20150144422A KR101599327B1 KR 101599327 B1 KR101599327 B1 KR 101599327B1 KR 1020150144422 A KR1020150144422 A KR 1020150144422A KR 20150144422 A KR20150144422 A KR 20150144422A KR 101599327 B1 KR101599327 B1 KR 101599327B1
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South Korea
Prior art keywords
piles
row
rod
installing
underground
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KR1020150144422A
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Korean (ko)
Inventor
김수영
도남영
박이근
Original Assignee
롯데건설 주식회사
(주)지오알앤디
박이근
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Priority to KR1020150144422A priority Critical patent/KR101599327B1/en
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    • EFIXED CONSTRUCTIONS
    • E02HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
    • E02DFOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
    • E02D17/00Excavations; Bordering of excavations; Making embankments
    • E02D17/02Foundation pits
    • E02D17/04Bordering surfacing or stiffening the sides of foundation pits
    • EFIXED CONSTRUCTIONS
    • E02HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
    • E02DFOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
    • E02D17/00Excavations; Bordering of excavations; Making embankments
    • E02D17/06Foundation trenches ditches or narrow shafts
    • E02D17/08Bordering or stiffening the sides of ditches trenches or narrow shafts for foundations
    • 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
    • E02D5/02Sheet piles or sheet pile bulkheads
    • E02D5/03Prefabricated parts, e.g. composite sheet piles
    • E02D5/04Prefabricated parts, e.g. composite sheet piles made of steel
    • E02D5/08Locking forms; Edge joints; Pile crossings; Branch pieces
    • EFIXED CONSTRUCTIONS
    • E02HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
    • E02DFOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
    • E02D2600/00Miscellaneous
    • E02D2600/20Miscellaneous comprising details of connection between elements

Abstract

Provided is an earth self-retaining method comprising: a step (s10) of installing multiple piles of a first row at certain intervals along an excavation surface of an excavation site; a step (s20) of installing multiple piles of a second row in a position between the piles of the first row at certain intervals in the back side of the multiple piles of the first row; a step (s40) of installing a lower waling (40) connecting the piles of the first row in the transverse direction; a step (s50) of installing a horizontal connecting member (60), one end of which is installed in the upper side of the lower waling and the other end of which is installed in one of the piles of the second row; a step (s60) of installing an upper waling in the upper side of the lower waling, placing the horizontal connecting member in between them; a step (s70) of excavating the excavation site along the excavation surface in which the piles of first row are installed; a step (s80) of installing a soil retaining plate (50) between the piles of the first row; a step (s90) of implementing horizontal punching to a certain depth of a field; a step (s100) of inserting a tube member (80) and a bar member (85) into the horizontal punching hole and fixing the tube member (80), shape steels (70, 71), and stopper wedge (88) in the piles of the second row (20) using a first fixing nut (130); and a step (s120) of fixing the bar member (85) and the other end of the tube member (80) to an underground connecting waling (100).

Description

Earth self-retaining wall method

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a method of constructing an earth retaining wall used in a subterranean erosion work.

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a self-supporting earth retaining wall for a relatively shallow excavation in a subterranean excavation work and a construction method thereof, and more particularly to a self retaining earth retaining wall for an earth retaining wall used for supporting an external force such as earth pressure To a self-supporting type earth retaining wall construction and a construction method thereof.

In the prior art of the present invention, there has been proposed a method of using a pile of a pile according to the present invention [refer to Reference 1]: Patent No. 10-0776373 (retaining method using a two-pile file), [Reference 2] : A patent 10-0831332 (underground retaining wall used by civil engineers and its construction method), and the like.

The differentiation of the present invention from the above-mentioned [1, 2] techniques is achieved by installing the first row pile and the second row pile in a zigzag shape so as to reduce the primary pressure in the second row pile, The resistance to the first pile is further improved and the structural stability is further improved. Due to such a difference in arrangement, the wale band installed on the first pile and the second pile are directly connected and fixed to improve the resistance of the piledwall.

In the present invention, it is possible to constitute an underground connection, so that the piles of two rows can mutually be fixedly connected to each other at a desired depth, thereby further increasing the rigidity of the earth retaining wall. There is an advantage that the destruction depth can be improved.

In the above-mentioned reference [3], the connection between the wale band of the first row of piles and the second row of piles is attempted, but the web portion of the second row pile is slit treated to weaken the stiffness of the pile In contrast, in the present invention, a separate-shaped member is attached to both sides of the flange for slit construction, rather than to increase the stiffness of the second-row pile, while in the reference [3] The first and second piles are not able to resist the compression of the pile and the second pile, so that the meaning of the structural members of the installation of the ground connection material is largely reduced, whereas in the present invention, the ground connection material is made of a pipe member And a structural member capable of resisting both a tensile force and a compressive force by constituting a rod member (a small-sized pipe or a solid rod or the like) in the inside thereof. Tension may occur in the two columns of the earth retaining structure depending on the soft ground of the back ground, the generation of the earth pressure, the external force formed on the back surface, the displacement shape, etc., and compression may occur. Therefore, It is a very important technology in the retaining walls.

In carrying out earthworks such as excavation or embankment, a method of maintaining the stability of the ground by placing a slope is usually considered first, but a method of vertical excavation or embankment is sought to increase the utilization of the land. In designing such a vertical retaining structure, it is common to carry out soil anchors, soil nails, braces, etc. as a method of supporting earth pressure. However, in such cases, considering soil condition, site condition, surrounding influence, construction cost, The reality is that it costs relatively large.

In case of planning anchor, soil nail, etc., it is necessary to agree on the adjacent site but it is often difficult. Depending on the situation of the adjacent site, there are many cases where construction can not be done. There are strut method and top down method as a method, but this is also inevitable in the recent trend of wide business site. In addition, although the Raker method can be applied in a way that can be supported in the business site, it is possible to greatly reduce the work efficiency of moving excavation equipment, transporting excavated soil and materials, reinforcing the structure of the structure, And the durability and waterproofness of the underground structure wall completed by the holes that are inevitable in the structure may cause problems.

In order to overcome these problems, the self-retaining retaining method has been developed and used by various engineers. However, due to the structural limitations, it may cause limitation of excavation depth and induce excessive displacement. Therefore, .

The present invention relates to a self-supporting earth retaining method which further improves the conventional technique and forms a highly rigid earth retaining structure in a limited land, thereby enabling a more stable underground wave structure. The present invention is based on the finding that it is possible to improve the structural stability, economical efficiency and construction workability of subsequent structure work by not using a brace in the excavation area, to solve the problem of invasion outside the business site, And an object of the present invention is to provide a method of constructing an underground earth retaining wall.

Installing (s10) a plurality of first-stage piles at predetermined intervals in a planned location of the excavation site; A plurality of second-stage piles are provided at a predetermined distance between the first-row piles and the second-row piles at the rear side of the first-row piles, A step (s20) of installing a second heat pile having a slit in a longitudinal direction by being provided; A step (s40) of installing a lower wale band (40) connecting the first row of piles in a lateral direction; A step (s50) of setting a horizontal connecting member (60) at one end of the lower strand and at the other end of the second heat pile; A step (s60) of installing an upper wale on the upper side of the lower wale with the horizontal connection member interposed therebetween; Excavating the excavation site along the excavation surface provided with the first column piles (s70); Installing a soil plate (50) between the first row piles (s80); Performing horizontal punching at a predetermined depth in order to connect the ground of the first row piles and the second row piles (s90); A grounding member made of a tubular member 80 having a tubular support plate 135 at one end thereof and a rod member 85 disposed inside the tubular member is inserted into the horizontal tapped hole and the stopper wedge The rod member 85 is rotated so that the stopper wedge 88 is not released to the outside of the slit after passing through the tubular member supporting plate 135 and the sections 70 and 71 of the second row of piles, A step (s100) of fixing the tubular member support plate 135, the sections 70 and 71 and the stopper wedge 88 by the first fixing nut 130 formed on the rod member 85; The other end of the pipe member 80 is inserted and fixed in a pipe stocking fixture 110 formed in the underground connecting wick 100 and the other end of the rod member is fixed to the underground connecting wale 100 and the pressure plate 120 and fixing the nut 89 and the second fixing nut 131 to the underground wale band 100 by fastening the nut 89 and the screw 86 formed at the other end of the rod member, (s120). < / RTI >

In the above method, there may be a method of repeatedly installing an underground coupling material at a predetermined depth while sequentially excavating without installing the horizontal connection material as follows.

That is, a step (s10) of installing a plurality of first-stage piles at predetermined intervals in a planned position of the excavation site; The second row of piles is installed at a predetermined distance between the first row of piles and the second row of piles is disposed at a position spaced apart from the first row by a predetermined distance from the flanges, A step (s25) of providing a second heat pile having a slit in a longitudinal direction; (S70) excavating the piles at a predetermined depth along the excavation surface provided with the first column piles; a step (s80) of installing a soil plate (50) between the first row of piles on the excavation surface of s70; Performing horizontal punching at a predetermined depth in order to connect the ground of the first row piles and the second row piles (s90); A grounding member made of a tubular member 80 having a tubular support plate 135 at one end thereof and a rod member 85 disposed inside the tubular member is inserted into the horizontal tapped hole and the stopper wedge The rod member 85 is rotated so that the stopper wedge 88 is not released to the outside of the slit after passing through the tubular member supporting plate 135 and the sections 70 and 71 of the second row of piles, A step (s100) of fixing the tubular member support plate 135, the sections 70 and 71 and the stopper wedge 88 by the first fixing nut 130 formed on the rod member 85; The other end of the pipe member 80 is inserted and fixed in a pipe stocking fixture 110 formed in the underground connecting wick 100 and the other end of the rod member is fixed to the underground connecting wale 100 and the pressure plate 120 and fixing the nut 89 and the second fixing nut 131 to the underground wale band 100 by fastening the nut 89 and the screw 86 formed at the other end of the rod member, (s120). < / RTI >

According to the self-supporting earth retaining wall according to the present invention and the method of constructing the same, the present invention improves various disadvantages of the retaining method such as the strut method, the ground anchor method and the self-supporting earth retaining method, . That is, according to the present invention, since the amount of the steel material is greatly reduced, the construction cost is reduced, the air is largely shortened, the heavy equipment construction work in the excavation site is smooth, and the succeeding form work is easy It is possible to improve the workability and the structure stability more than the conventional self-supporting earth retaining structure, thereby increasing the depth of the earthquake. Therefore, the present invention can reduce the settlement and displacement of the back ground when the same terraced depth is compared with the existing self-standing earth retaining method, and can reduce the damage of adjacent structures due to the terraces.

1 to 3 are views for explaining an earth retaining method according to a first embodiment of the present invention;
4 is a view for explaining an earth retaining method according to a second embodiment of the present invention;
Figs. 5 to 7 are views for explaining a third embodiment of the present invention using a ground connection wristband

Hereinafter, preferred embodiments of the present invention will be described with reference to the drawings.

It is to be understood that the scope of the present invention is to be construed as being within the scope of the appended claims.

1 to 3 are views for explaining an earth retaining method according to a first embodiment of the present invention, FIG. 4 is a view for explaining an earth retaining method according to a second embodiment of the present invention, and FIG. 5 to FIG. Fig. 8 is a view for explaining an embodiment of the present invention using a wristband; Fig.

Example  One

FIG. 2 is a perspective view of the retaining structure according to the method of the present embodiment, FIG. 1 is a plan view of FIG. 2, and FIG. 3 is a side view.

FIG. 3 shows a state in which excavation is performed on the excavation site. Excavation is applied to a front portion (left side portion in the drawing) where the first-stage pile 10 is installed with respect to a conventional pile, There is soil. The first and second column piles are preferably H beams, but other types of metal materials may be used.

As can be seen in FIG. 1, the first row of piles 10 are alternately located at a zigzag position with the second row of piles 20 on the backside thereof.

The soil plate 50 is formed in front of the first row of piles to prevent the soil from flowing down.

One end of the horizontal coupling member 60 is coupled to one side of the second-stage pile 20 and the other end of the horizontal coupling member is connected to the wales connecting the second-stage piles, that is, between the upper and lower wales 30 and 40 And is fixed. Instead of the upper and lower wales, only the lower band may be provided to fasten the horizontal joining member and the lower wale. The upper and lower wales 30 and 40 and the horizontal connecting member can be connected by using the bent fittings such as the first to third connection fixing portions 91, 92,

The horizontal connecting member 60 can be freely installed at a different height from that shown in FIG. 3, that is, at a lower position, and it is not necessarily installed at the uppermost position of the first and second heat piles. It is a particular advantage of the present invention that the overall retaining structure can be more stably supported when the position of the horizontal coupling member is installed at a relatively low position.

The order of construction is as follows. (S10) installing a plurality of first-stage piles at predetermined intervals along the excavation surface of the excavation site;

And installing a second row of piles on the back side of the first row of piles, wherein the second row of piles are spaced apart from each other by a predetermined distance between the first row of piles, (S20) of installing a second heat pile (20) having a slit in the longitudinal direction by being provided with the first and second heat piles (70, 71);

And the step (s30) of confining the second-row piles to the ground by filling the inner-pitched inner space provided with the second-row piles with the gravel.

(S40) of installing a lower wale band (40) connecting the first heat piles in a transverse direction after the excavation at a predetermined depth is performed, one end of the lower wale band is connected to the upper end of the lower band, A step (s50) of installing a horizontal connecting material (60) on any one of the piles; (S60) of installing an upper wale band on the upper side of the lower wale band with the horizontal connection member interposed therebetween. At this time, the upper wale installation may be omitted.

The step (s80) of installing the soil plate (50) between the first row piles while performing the step (s70) of excavating the excavation site along the excavation surface provided with the first row piles,

It is obvious that the sections 70 and 71 can sufficiently use other members for forming the slits instead of the section steel. That is, other types of piles may be used, such as a square tube pile, the use of a section steel, and other slits.

Such a slit-formed structure allows the stiffness of the pile to be stronger rather than the stiffness of the pile, rather than puncturing the hole in the web of the pile (H beam).

In the case where the slit is preliminarily formed in the form of a slit, it is difficult to fit the member to be inserted in accordance with the height of the slit. However, if the slit is provided along the H beam (pile) as in the present invention, It is possible to insert and fix a member such as the stopper wedge 88 on the slit without the need of a screw, and thus the workability is greatly improved.

Example  2

In this embodiment, a method of installing only the underground linking material consisting of the rod member 85 and the pipe member 80 repeatedly at a predetermined depth while sequentially excavating without installing the horizontal connecting member 60 in the first embodiment Can be.

The ground connection members 80 and 85 may be provided together with the horizontal connection member 60 in Embodiment 1 or there may be a method of installing only the ground connection member (corresponding to Embodiment 2) without installing a horizontal connection member .

4 is a cross-sectional view showing a method for constructing only an underground connection material.

5 to 9, the rod member 80 of the underground coupling member generates compressive resistance against the displacement of the first and second piles, thereby securing the structural stability of the earth retaining wall.

The pipe member 85 secures the stability of the earth retaining structure by issuing a tensile resistance force to the displacement shape in which the first and second piles are to be moved away from each other.

The ground connecting wales 100 are installed in front of the current plate 50 in correspondence with the height of the pipe member 85 and the rod member 80. A rod member (85) is inserted into the tubular member (80).

A stopper wedge 88 which can be inserted into the slit of the second row pile and a first fixing nut 130 which is threaded adjacent to the stopper wedge are formed at one end of the rod member, And a second fixing nut 131 is formed on the other end so as to be engaged with the nut 89 so that the rod member is connected to the underground connecting wale band 100, It plays a role of fixing.

6 to 9, the following will be described.

8 to 9, the rod member 85 is inserted into the tube member 80 having the tube member support plate 135 at one end thereof and the stopper wedge 88 is inserted into the tube member support plate 135 and the section steel 70 71 and then the rod member 85 is rotated to adjust the stopper wedge 88 in the direction perpendicular to the slit and the fixing nut 130 is rotated to rotate the pipe member 80 and the second row pile 20, , The stopper wedge (88) is fixed so that the fixing can be effected effectively.

At this time, a fixing nut 130 is previously mounted on the end of the rod member 85. The pipe member 80 is formed such that an I-shaped hole is formed in the portion of the second- And the stopper wedge 88 can pass through the nut to fix the nut, thereby enhancing the stability of the engagement.

6 to 7, the other end of the pipe member 80 is inserted and fixed in a pipe stocking fixture 110 formed in the underground connecting wick 100, and the other end of the rod member 85 is fixed to a first- And the nut 89 and the second fixing nut 131 are screwed into the screw 86. The nut 89 and the second fixing nut 131 are connected to each other through the ground connection wale 100, So that it can be stably fixed to the underground connecting wale band 100.

That is, the nut 89 and the screw 86 are coupled with each other about the underfloor joint 120 and the underground wale 100, thereby achieving an effect of being fixed stably.

A plurality of ground connection members made up of the rod member and the pipe member may be formed in the ground, and the depth of the ground connection member can be selected.

The construction method of this embodiment is summarized as follows.

That is, a step (s10) of installing a plurality of first-stage piles at predetermined intervals in a planned position of the excavation site; And installing a second row of piles on the back side of the first row of piles, wherein the second row of piles are spaced apart from each other by a predetermined distance between the first row of piles, (S20) of installing a second heat pile having a slit in the longitudinal direction by providing the first and second heat piles (70, 71).

Then, a step (s70) of excavating the excavation site along the excavation surface provided with the first row of piles and a step (s80) of installing the earth plate 50 between the first row of piles is performed.

(S90) a horizontal punching at a predetermined depth in order to connect the first and second piles to the ground; a step (S90) of placing the pipe member (80) and the rod The stopper wedge 88 formed at the end of the rod member passes through the tubular support plate 135 and the sections 70 and 71 of the second row of piles, The pipe member 85 is rotated so that the stopper wedge 88 is not released to the outside of the slit and the pipe member 85 is rotated by the first fixing nut 130 formed on the rod member 85, 70 and 71 and the stopper wedge 88 (step s100).

And the other end of the pipe member 80 is inserted into the pipe stocking fixture 110 formed in the underground connecting wick 100. The inner pipe of the pipe connecting member 100 is inserted into the pipe connecting rod 100, The connecting wale band 100 is installed (s110).

The other end of the tubular member 80 is inserted and fixed in a tubular stocking fixture 110 formed in the underground connecting wick 100 and the other end of the rod member is fixed to the underground connecting wick 110, The nut 89 and the second fixing nut 131 are fastened to the screw 86 formed at the other end of the rod member so as to be fixed to the underground wale band 100 Step s120 is performed.

In all of the above embodiments, a sheet pile, a cast in place pile, an existing concrete pile (PHC series), a wall by a deep layer mixing method (Soil Cement Wall series), a high pressure spray method (JSP series) may be installed. Such a method is well known in the art, and a detailed description thereof will be omitted.

According to the self-supporting earth retaining wall according to the present invention and the method of constructing the same, the present invention improves various disadvantages of the retaining method such as the strut method, the ground anchor method and the self-supporting earth retaining method, . That is, according to the present invention, since the amount of the steel material is greatly reduced, the construction cost is reduced, the air is largely shortened, the heavy equipment construction work in the excavation site is smooth, and the succeeding form work is easy It is possible to improve the workability and the structure stability more than the conventional self-supporting earth retaining structure, thereby increasing the depth of the earthquake. Therefore, the present invention can reduce the settlement and displacement of the back ground when the same terraced depth is compared with the existing self-standing earth retaining method, and can reduce the damage of adjacent structures due to the terraces.

10: first column pile
20: second row pile
30: upper wale
40: Lower wale
50: Circulation plate
60: Horizontal linkage
70,71: section steel
80: Tubular member
85: rod member
86: screw 88: stopper wedge
89: Nuts
91, 92, 93: first to third connection fasteners
100: Underground wale
110:
120:
130: first fixing nut 131: second fixing nut
135: tubular support plate

Claims (3)

Installing (s10) a plurality of first-stage piles (10) at predetermined intervals in a planned location of the excavation site;
(20) at the rear side of the first row of piles, the second row of piles (20) being installed at a predetermined distance between the first row of piles (10) A step (s20) of providing a second heat pile (20) having sections (70, 71) facing the flange part and having a slit in the longitudinal direction;
A step (s40) of installing a lower wale band (40) connecting the first heat piles (10) in a lateral direction;
(S50), one end of which is coupled with the first connection fixture (91) to the lower wale band (40) and the other end is connected to the third connection fixture to one of the second heat piles );
A step (s60) of installing an upper wale 30 by using a second connection fixture 92 above the lower wale 40 with the horizontal connection member interposed therebetween;
(S70) excavating the piles at a predetermined depth along the excavation surface provided with the first column piles;
A step (s80) of installing a soil plate (50) between the first row of piles while excavating the excavation site along the excavation surface provided with the first row of piles;
Performing horizontal punching at a predetermined depth for ground connection of the first row piles and the second row piles (s90);
A pipe member 80 having a tubular support plate 135 at one end thereof and a rod member 85 positioned inside the tubular member,
The stopper wedge 88 formed at the end of the rod member is passed through the tubular support plate 135 and the sections 70 and 71 of the second row of piles,
The rod member 85 is rotated so that the stopper wedge 88 is not released to the outside of the slit,
A step (s100) of fixing the tubular member support plate 135, the sections 70 and 71 and the stopper wedge 88 by the first fixing nut 130 formed on the rod member 85;
And the other end of the pipe member 80 is inserted into the pipe stocking fixture 110 formed in the underground connecting wick 100. The underground connection wick 100 is connected to the first pillar so that the end of the rod member 85 is inserted, Installing a wrist strap 100 (s110);

The other end of the pipe member 80 is inserted and fixed in a pipe stocking fixture 110 formed in the underground connecting wick 100 and the other end of the rod member is fixed to the underground connecting wale 100 and the pressure plate 120 and fixing the nut 89 and the second fixing nut 131 to the underground wale band 100 by fastening the nut 89 and the screw 86 formed at the other end of the rod member, (s120). < / RTI >
Installing (s10) a plurality of first-stage piles (10) at predetermined intervals in a planned location of the excavation site;
The step of installing the second heat pile 20 on the back side of the first heat piles 10 is such that the second heat piles 20 are spaced apart from each other between the first heat piles 10 A step (s20) of installing a second heat pile having sections 70 and 71 facing the flange part and having a slit in the longitudinal direction;
Drilling a predetermined depth along the excavation surface on which the first-stage piles 10 are installed (s70);
a step (s80) of installing a turntable (50) between the first row of piles (10) on the excavation surface of s70;
Performing horizontal punching at a predetermined depth in order to connect the ground of the first row piles and the second row piles (s90);
A pipe member 80 having a tubular support plate 135 at one end thereof and a rod member 85 positioned inside the tubular member,
The stopper wedge 88 formed at the end of the rod member is passed through the tubular support plate 135 and the sections 70 and 71 of the second row of piles so that the stopper wedge 88 does not move out of the slit The tubular member supporting plate 135 and the sections 70 and 71 and the stopper wedge 88 are fixed by the first fixing nut 130 formed on the rod member 85 by rotating the rod member 85 Step s100;
And the other end of the pipe member 80 is inserted into the pipe stocking fixture 110 formed in the underground connecting wick 100. The underground connection wick 100 is connected to the first pillar so that the end of the rod member 85 is inserted, Installing a wrist strap 100 (s110);
The other end of the pipe member 80 is inserted and fixed in a pipe stocking fixture 110 formed in the underground connecting wick 100 and the other end of the rod member is fixed to the underground connecting wale 100 and the pressure plate 120 and fixing the nut 89 and the second fixing nut 131 to the underground wale band 100 by fastening the nut 89 and the screw 86 formed at the other end of the rod member, (s120)
At step s70, s120 is repeatedly performed at a predetermined depth while being sequentially excavated Self-sustaining Retaining method.
The method according to any one of claims 1 to 2,
Instead of the first heat pile 10 and the current plate 50,
Either the sheet pile, the cast in place pile, the ready-made concrete pile (PHC series), the wall by Soil Cement Wall method by the deep mixing method, or the hot wall by the high pressure spraying method (JSP series) And a single self-supporting retaining method is provided.


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Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR20190096066A (en) * 2018-02-08 2019-08-19 우진건설 주식회사 Method for constructing soil retaining wall structure using h-pile
KR102243718B1 (en) 2020-08-26 2021-04-23 윤종율 Shoring apparatus can bending moment small and a construction method there
KR102364430B1 (en) * 2021-05-12 2022-02-16 이기환 Retaining wall having raker and construction method thereof
KR20220026737A (en) 2020-08-26 2022-03-07 윤종율 Shoring apparatus can bending moment small

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KR20090078054A (en) * 2008-01-14 2009-07-17 강상욱 Earth-supported structure using pile with screw

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KR100726984B1 (en) * 2006-01-17 2007-06-14 (주)리튼브릿지 Temporary system for land-side protection wall
KR100831332B1 (en) * 2007-11-29 2008-05-22 이재호 Underground retaining wall for public works and method for constructing the same
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Cited By (5)

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KR20190096066A (en) * 2018-02-08 2019-08-19 우진건설 주식회사 Method for constructing soil retaining wall structure using h-pile
KR102065941B1 (en) * 2018-02-08 2020-01-28 우진건설 주식회사 Method for constructing soil retaining wall structure using h-pile
KR102243718B1 (en) 2020-08-26 2021-04-23 윤종율 Shoring apparatus can bending moment small and a construction method there
KR20220026737A (en) 2020-08-26 2022-03-07 윤종율 Shoring apparatus can bending moment small
KR102364430B1 (en) * 2021-05-12 2022-02-16 이기환 Retaining wall having raker and construction method thereof

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