KR20170059298A - Method for constructing breast wall of cip technical by using scratch structure - Google Patents
Method for constructing breast wall of cip technical by using scratch structure Download PDFInfo
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- KR20170059298A KR20170059298A KR1020150163512A KR20150163512A KR20170059298A KR 20170059298 A KR20170059298 A KR 20170059298A KR 1020150163512 A KR1020150163512 A KR 1020150163512A KR 20150163512 A KR20150163512 A KR 20150163512A KR 20170059298 A KR20170059298 A KR 20170059298A
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- water wall
- scratch structure
- cip
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- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D5/00—Bulkheads, piles, or other structural elements specially adapted to foundation engineering
- E02D5/02—Sheet piles or sheet pile bulkheads
- E02D5/03—Prefabricated parts, e.g. composite sheet piles
- E02D5/04—Prefabricated parts, e.g. composite sheet piles made of steel
- E02D5/06—Fitted piles or other elements specially adapted for closing gaps between two sheet piles or between two walls of sheet piles
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- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D19/00—Keeping dry foundation sites or other areas in the ground
- E02D19/06—Restraining of underground water
- E02D19/12—Restraining of underground water by damming or interrupting the passage of underground water
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D5/00—Bulkheads, piles, or other structural elements specially adapted to foundation engineering
- E02D5/02—Sheet piles or sheet pile bulkheads
- E02D5/03—Prefabricated parts, e.g. composite sheet piles
- E02D5/04—Prefabricated parts, e.g. composite sheet piles made of steel
- E02D5/08—Locking forms; Edge joints; Pile crossings; Branch pieces
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D9/00—Removing sheet piles bulkheads, piles, mould-pipes or other moulds or parts thereof
- E02D9/02—Removing sheet piles bulkheads, piles, mould-pipes or other moulds or parts thereof by withdrawing
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- Engineering & Computer Science (AREA)
- Structural Engineering (AREA)
- Life Sciences & Earth Sciences (AREA)
- Mining & Mineral Resources (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Paleontology (AREA)
- Civil Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Composite Materials (AREA)
- Chemical & Material Sciences (AREA)
- Environmental & Geological Engineering (AREA)
- Hydrology & Water Resources (AREA)
- Bulkheads Adapted To Foundation Construction (AREA)
Abstract
A method for manufacturing a water wall of a CIP method using a scratch structure according to the present invention includes the steps of inserting a casing for holding a perforation hole at a target position of a ground by performing a perforation process and expanding outwardly in the casing Inserting a scratch structure having a predetermined depth into the scratch structure, filling the inside of the scratch structure with a filler, drawing the casing, scratching the external gravel of the filler to mix the external gravel and the filler, And withdrawing the liquid.
Description
The present invention relates to a method of making a wall for construction of a retaining wall to be constructed in a construction and civil engineering field, and more particularly, to a method of manufacturing a wall structure for a retaining wall, The present invention relates to a method of manufacturing a water wall of a CIP method using a scratch structure that can be realized.
As is well known, it is common to construct a retaining wall or the like when it is desired to perform a subterranean digging work or the like in various construction and civil engineering sites. Here, it is common to use a retaining wall retaining method, for example, as a retaining wall construction.
Particularly, as a watertight retention method, for example, it is possible to carry out close construction with an existing turf structure, to minimize the width of the turf structure, and to prevent the cast in place (CIP) pile method is mainly used.
1 is a plan view of a water wall structure constructed according to a conventional method.
Referring to FIG. 1, each of the files 110-1 to 110-5 constituting the water barrier wall includes a casing (for example, a cylindrical casing) for holding a perforation hole while perforating the ground using a perforating machine such as an auger machine, The H beam 112 (or reinforcing bar) is inserted into the casing, the inside of the casing is filled with a
On the other hand, there is a problem that a water hole formed by a conventional method is not precisely connected between adjacent columns due to its manufacturing characteristics, and a minute gap (for example, a gap of several millimeters to several centimeters) is generated. (For example, deterioration of the water-drawing performance in which water and soil are introduced through the gap).
Therefore, conventionally, auxiliary files 120-1 to 120-4 are formed between adjacent files by performing an auxiliary method such as grouting.
That is, the auxiliary file 120-1 reinforces a gap that can occur between the files 110-1 and 110-2, and the auxiliary file 120-2 supports the file 110-2 and the file 110-2. The auxiliary files 120-3 reinforce the crevices that can be generated between the files 110-3 and 110-4 and the auxiliary files 120-3, 4 is for reinforcing a gap that can be generated between the file 110-4 and the file 110-5. The conventional water wall is formed by using auxiliary files produced through separate construction, Thereby preventing water or soil from flowing through the gap.
However, in the conventional method of producing a water wall, there is a problem that a construction period is unnecessarily extended because a grouting process for forming auxiliary files between files must be performed several times, It is a factor that causes it.
A scratch structure having extensibility in the outward direction is inserted into a casing and scratches the outer gravel of the filler material when the scratch structure is pulled out to mix the gravel and the filler material outside the filler material We propose a method of making a wall using a scratch structure.
The problems to be solved by the present invention are not limited to those mentioned above, and another problem to be solved by the present invention can be clearly understood by those skilled in the art from the following description will be.
According to one aspect of the present invention, there is provided a method of manufacturing a perforation hole, comprising: inserting a casing for holding a perforation hole at a target position of a ground by performing a perforation process; inserting a scratch structure having extensibility in an outward direction into the casing A step of filling the filler material in the scratch structure; drawing the casing; and scratching the outer gravel of the filler material to draw out the scratch structure while mixing the outer gravel material and the filler material Provided is a method for manufacturing a water wall of a CIP method using a scratch structure.
The scratch structure of the present invention includes a cylindrical structural body corresponding to the shape of the casing and a scratch member whose upper end is fixed to one side of the lower end side of the structure main body and whose lower end is a free end of elastic material .
The scratch member of the present invention may be in the shape of a rake.
The scratch member of the present invention may be in the form of a toothed wheel.
The scratch member of the present invention may be in the form of a screw.
The structure body of the present invention may include a plurality of through holes arranged at a predetermined interval on the front surface of the main body to discharge the filler into a space between the casing and the scratch structure.
According to another aspect of the present invention, there is provided a method of manufacturing a perforation hole, comprising: inserting a casing for holding a perforation hole at a target position of a ground by performing a perforation process; inserting a scratch structure having extensibility in an outward direction into the casing; A step of inserting a skeletal member into the scratch structure; a step of filling a filler in the scratch structure into which the skeletal member is inserted; drawing out the casing; And drawing the scratch structure while mixing the external soil and the filler. The method of manufacturing a water wall of a CIP method using the scratch structure is provided.
According to another aspect of the present invention, there is provided a method of manufacturing a perforation hole, comprising the steps of: inserting a perforation hole holding casing between two files spaced apart by a predetermined distance by performing a perforating process; Inserting a scratch structure having a plurality of piles into the scratch structure, filling a filler in the scratch structure, drawing the casing, scratching each outer pile between the two piles and the pile, And a step of drawing the scratch structure while mixing the filler. The present invention also provides a method of manufacturing a water wall of a CIP method using a scratch structure.
According to another aspect of the present invention, there is provided a method of manufacturing a perforation hole, comprising the steps of: inserting a perforation hole holding casing between two files spaced apart by a predetermined distance by performing a perforating process; Inserting a skeletal member into the interior of the scratch structure, filling the interior of the scratch structure into which the skeletal member is inserted, drawing the casing, And scratching the outer soil between the two files and the filler material, thereby drawing out the scratch structure while mixing the outer soil material and the filler material, thereby providing a method for manufacturing a water wall of a CIP method using the scratch structure.
A scratch structure having extensibility in the outward direction is inserted into a casing and scratches the external gravel of the filler material when the scratch structure is pulled out so that the gravel and filler materials outside the filler material are mixed with each other, It is possible to prevent the generation of a gap between adjacent files from occurring, thereby realizing a water wall having excellent order performance and supporting performance.
1 is a plan view of a water wall structure constructed according to a conventional method.
2 is a plan view of a water wall structure of a CIP method manufactured using a scratch structure according to an embodiment of the present invention.
3 is a perspective view of a water wall structure of a CIP method using a scratch structure according to an embodiment of the present invention.
4 is an exemplary perspective view illustrating a principle of inserting a scratch structure into a casing for manufacturing a water wall according to an embodiment of the present invention.
5 is a plan view of a water wall structure of a CIP method using a scratch structure according to another embodiment of the present invention.
6 is a perspective view of a water wall structure of a CIP method using a scratch structure according to another embodiment of the present invention.
FIG. 7 is an exemplary perspective view for explaining a principle of forming a file having an order reinforcement region between two files spaced apart to produce a water wall according to another embodiment of the present invention. FIG.
First, the advantages and features of the present invention, and how to accomplish them, will be clarified with reference to the embodiments to be described in detail with reference to the accompanying drawings. While the present invention has been described with reference to exemplary embodiments, it is to be understood that the invention is not limited to the disclosed exemplary embodiments, but, on the contrary, It will be understood by those of ordinary skill in the art that various changes in form and details may be made therein without departing from the spirit and scope of the invention as defined by the appended claims.
In the following description of the present invention, detailed description of known functions and configurations incorporated herein will be omitted when it may make the subject matter of the present invention rather unclear. It is to be understood that the following terms are defined in consideration of the functions of the present invention, and may be changed according to intentions or customs of a user, an operator, and the like. Therefore, the definition should be based on the technical idea described throughout this specification.
Hereinafter, preferred embodiments of the present invention will be described in detail with reference to the accompanying drawings.
[Example 1]
FIG. 2 is a plan view of a water wall structure of a CIP method using a scratch structure according to an embodiment of the present invention. FIG. 3 is a cross- Fig.
Referring to FIG. 2, in the files 210-1 to 210-5 manufactured according to the present embodiment, the entire interior of which the
At this time, each file constituting the water barrier can be produced as a file filled with mortar only without inserting a skeletal member into the file according to the installation environment of the water wall, the use purpose, or the like.
The order reinforcement areas 216-1 to 216-4 are formed between the files 210-1 to 210-5 adjacent to each other. The order reinforcement areas 216-1 to 216-4 It can be in the form that the soil and the fillers of each file are mixed with each other.
3, the order reinforcement areas 216-1 to 216-4 formed in the vertical direction (length direction of the files) between the files are a mixture of the gravel and the mortar, (For example, a clearance of several millimeters to several tens of millimeters, which may degrade the order performance). In this case, the desired order performance and support performance can be obtained. For this purpose, A scratch structure as described above can be used.
4 is an exemplary perspective view illustrating a principle of inserting a scratch structure into a casing for manufacturing a water wall according to an embodiment of the present invention.
Referring to FIG. 4, a
In this embodiment, in order to form an order reinforcement region (that is, a region where soil and mortar are mixed through scratches) between adjacent files, a perforation hole retaining member
Here, the free end of the
At this time, the
A plurality of through
That is, each of the
Next, a series of processes for manufacturing a water wall according to the present embodiment will be described using a scratch structure having the above-described shape.
First, a perforation
A cylindrical structure
Here, the outward expandability (or expansion elasticity) of the free end of the
A skeletal member such as a H beam, a reinforcing bar, or the like is inserted into the
Thereafter, when the skeletal member is inserted and the mortar is filled, the pulling process is performed to pull out the
Of course, when the file is inserted and generated at the target position of the ground for the first time, since there is no adjacent file, even if the
Then, when the
That is, according to the present embodiment, a file in which a degree-reinforcing region is formed in the longitudinal direction of the file is formed at a target position of the ground through processes such as insertion of a casing, insertion of a skeletal member, filling of a filler, drawing of a casing, and drawing of a scratch structure By sequentially repeating these processes by the N-th order, it is possible to manufacture a water wall made up of a plurality of files connected in a form in which the order reinforcing regions are in contact with each other.
For example, as shown in FIGS. 2 and 3, assuming that the order wall is composed of five files, the adjacent files are arranged in the order from left to right (210-1 to 210-5) (Generated in the order of 210-5 to 210-1) from the right side to the left side, and between the files adjacent to each other, by the scratch performed while drawing out the scratch structure, 216-1 to 216-4 will be formed.
In the meantime, in the method of producing a water wall of the present embodiment, a file is formed by inserting a skeleton member (for example, H beam, reinforcing bar, etc.) into each of the files constituting the water barrier wall. However, It is needless to say that it is also possible to produce a file in which only mortar is filled without inserting a skeletal member into the file according to the installation environment or use of the water wall.
[Example 2]
FIG. 5 is a plan view of a water wall structure of a CIP method using a scratch structure according to another embodiment of the present invention. FIG. 6 is a cross- Fig.
Referring to FIG. 5, in the files 510-1 to 510-5 produced according to the present embodiment, the whole interior of which the
At this time, each file constituting the water barrier can be produced as a file filled with mortar only without inserting a skeletal member into the file according to the installation environment of the water wall, the use purpose, or the like.
The order reinforcement areas 510-21, 510-22, 510-41, and 510-42 are formed between adjacent files 510-1 to 510-5. The order reinforcement areas 510 -21, 510-22, 510-41, 510-42) may be a form in which the fillers of the soil and each file are mixed with each other.
6, the order reinforcement areas 510-21, 510-22, 510-41, and 510-42 formed in the vertical direction (the length direction of the files) between the files are mixed with the soil and mortar (For example, a clearance of several millimeters to several tens of millimeters, which may degrade order performance) is generated between the files, thereby achieving a desired order performance and support performance. For this purpose, a scratch structure as shown in the central part of FIG. 7 may be used as an example.
At this time, the three files 510-1, 510-3, and 510-5 located apart from each other by a predetermined interval (spaced apart from each other by a method of skipping one file) And the remaining two files, that is, the file 510-2 located between the files 510-1 and 510-3, the file 510-2 located between the files 510-3 and 510-5, The file 510-4 located in the file 510-1 may be a file formed by using a scratch structure having a shape as shown in Fig. 7 as an example.
For example, the order reinforcement area 510-21 and the order reinforcement area 510-22 are formed by scratching the scratch structure at the time of forming the file 510-2 so that the surrounding soil and the filler (the inside of the file 510-2) Can be simultaneously formed so as to be in close contact with the longitudinal wall face of the right side face of the pile 510-1 and the longitudinal wall face of the left side face of the pile 510-3 by being mixed with each other, (510-4) and the order reinforcement regions 510-42 are formed by the surrounding soil and the filler (the filler inserted into the file 510-4) through the scratch of the scratch structure when the file 510-4 is formed, So as to be brought into close contact with the longitudinal wall face of the right side face of the file 510-3 and the longitudinal wall face of the left side face of the file 510-5, respectively.
That is, the respective files of the water wall produced according to the present embodiment may be, for example, odd-numbered files formed in a normal manner not using a scratch structure, and even-numbered files may be files formed using a scratch structure .
Therefore, in the case of the water wall according to the present embodiment, since the number of times of using the scratch structure is reduced to about 1/2 as compared with the water level wall of the above-described first embodiment, the construction period of the water wall can be shortened relatively short , Which can be expected to have a side effect of further reducing the production cost of the water wall.
FIG. 7 is an exemplary perspective view for explaining a principle of forming a file having an order reinforcement region between two files spaced apart to produce a water wall according to another embodiment of the present invention. FIG.
7, a
In this embodiment, in order to form an order reinforcement region (that is, a region where soil and mortar are mixed through scratches) on both sides of a file to be positioned between the two files 510-1 and 510-3, The
Here, the free end of the
The
A plurality of through
That is, each of the through
Next, a series of processes for manufacturing a water wall according to the present embodiment will be described using a scratch structure having the above-described shape.
First, two files (for example, 510-1 and 510-3) positioned apart from each other by a predetermined interval (spaced apart by one file interval) through a normal construction method that does not use a scratch structure for the purpose of improving convenience and understanding of explanation ) Are formed on the surface of the substrate.
Here, the normal construction method may mean a construction method in which a file is formed at a target position of the ground through processes such as casing insertion, skeletal member insertion, filler filling, and casing drawing.
When the two files 510-1 and 510-3 are spaced apart from each other by a predetermined interval as described above, the perforating process (e.g., rotary perforation, percussion perforation, etc.) using a perforating machine such as an auger machine is performed, A
A
A skeletal member such as a H beam, a reinforcing bar, or the like is inserted into the
When the skeletal member is inserted and the mortar is filled, the pulling process is performed to pull out the
Then, when the
That is, according to the present embodiment, a file in which the degree-reinforcing area is formed on both sides in the longitudinal direction of the file through processes such as insertion of a casing, insertion of a skeletal member, filling of a filler, drawing of a casing, drawing of a scratch structure, And the process is successively repeated (progressed) so that the degree reinforcing regions on both sides are simultaneously connected to each other in such a manner that they closely contact longitudinal wall surfaces of two adjacent files. Can be manufactured.
5 and 6, it is assumed that the file is composed of five files, the file 510-1 and the file 510-3 may be stored in a normal manner without using a scratch structure The file 510-2 is formed by the manufacturing method of this embodiment using the scratch structure after the first structure is formed by the construction method, that is, the order reinforcement area 510-21 is brought into close contact with one wall surface of the file 510-1 A file 510-2 having a shape in which the order reinforcement area 510-22 closely contacts one wall surface of the file 510-3 is formed.
By proceeding in the same manner as the construction method of forming the file 510-2, the order reinforcement area 510-41 is brought into close contact with one wall surface of the file 510-3, and the order reinforcement areas 510-42 Forms a file 510-4 having a shape that closely contacts one wall surface of the file 510-5.
In the meantime, in the method of producing a water wall of the present embodiment, a file is formed by inserting a skeleton member (for example, H beam, reinforcing bar, etc.) into each of the files constituting the water barrier wall. However, It is needless to say that it is also possible to produce a file in which only mortar is filled without inserting a skeletal member into the file according to the installation environment or use of the water wall.
It will be understood by those skilled in the art that various changes in form and details may be made therein without departing from the spirit and scope of the present invention as defined by the following claims. It is easy to see that this is possible. That is, the embodiments disclosed in the present invention are not intended to limit the scope of the present invention but to limit the scope of the present invention.
Therefore, the scope of protection of the present invention should be construed in accordance with the following claims, and all technical ideas within the scope of equivalents should be interpreted as being included in the scope of the present invention.
210-1 to 210-5, 510-1 to 510-5:
212, 512: skeletal member
214, 514: Filler
216-1 to 216-4, 516-1 to 516-4: order reinforcement region
410, 710: casing
420, 720: scratch structure
422, 722:
424, 724: Scratch member
Claims (24)
Inserting a scratch structure having extensibility in an outward direction into the casing,
Filling the filler material inside the scratch structure,
Drawing the casing,
A step of scratching the outer soil of the filling material to draw out the scratch structure while mixing the outer soil and the filling material
A method for manufacturing a water wall of a CIP method using a scratch structure including a waterproof structure.
Wherein the scratch structure comprises:
A cylindrical structural body corresponding to the shape of the casing,
An upper end of which is fixed to one side of the lower end side of the structure main body and a lower end of which is a free end of an elastic material,
A method for manufacturing a water wall of a CIP method using a scratch structure including a waterproof structure.
The scratch member
Rake-shaped
A method of making a water wall of a CIP method using a scratch structure.
The scratch member
Cogwheel
A method of making a water wall of a CIP method using a scratch structure.
The scratch member
Screw-shaped
A method of making a water wall of a CIP method using a scratch structure.
The structure body includes:
A plurality of through holes arranged at predetermined intervals on the front surface of the main body for discharging the filler into a space between the casing and the scratch structure;
The method comprising the steps of:
Inserting a scratch structure having extensibility in an outward direction into the casing,
Inserting a skeletal member into the scratch structure;
Filling the filler material in the scratch structure into which the skeletal member is inserted,
Drawing the casing,
A step of scratching the outer soil of the filling material to draw out the scratch structure while mixing the outer soil and the filling material
A method for manufacturing a water wall of a CIP method using a scratch structure including a waterproof structure.
Wherein the scratch structure comprises:
A cylindrical structural body corresponding to the shape of the casing,
An upper end of which is fixed to one side of the lower end side of the structure main body and a lower end of which is a free end of an elastic material,
A method for manufacturing a water wall of a CIP method using a scratch structure including a waterproof structure.
The scratch member
Rake-shaped
A method of making a water wall of a CIP method using a scratch structure.
The scratch member
Cogwheel
A method of making a water wall of a CIP method using a scratch structure.
The scratch member
Screw-shaped
A method of making a water wall of a CIP method using a scratch structure.
The structure body includes:
A plurality of through holes arranged at predetermined intervals on the front surface of the main body for discharging the filler into a space between the casing and the scratch structure;
The method comprising the steps of:
Inserting a scratch structure having extensibility in an outward direction into the casing,
Filling the filler material inside the scratch structure,
Drawing the casing,
Scratching each outer soil between the two files and the filler material to draw out the scratch structure while mixing the outer soil material and the filler material
A method for manufacturing a water wall of a CIP method using a scratch structure including a waterproof structure.
Wherein the scratch structure comprises:
A cylindrical structural body corresponding to the shape of the casing,
An upper end of which is fixed to one side of the lower end side of the structure main body and a lower end of which is a free end of an elastic material,
A method for manufacturing a water wall of a CIP method using a scratch structure including a waterproof structure.
The scratch member
The CIP method of rake shape
A method of making a water wall of a CIP method using a scratch structure.
The scratch member
Cogwheel
A method of making a water wall of a CIP method using a scratch structure.
The scratch member
Screw-shaped
A method of making a water wall of a CIP method using a scratch structure.
The structure body includes:
A plurality of through holes arranged at predetermined intervals on the front surface of the main body for discharging the filler into a space between the casing and the scratch structure;
The method comprising the steps of:
Inserting a scratch structure having extensibility in an outward direction into the casing,
Inserting a skeletal member into the scratch structure;
Filling the filler material in the scratch structure into which the skeletal member is inserted,
Drawing the casing,
Scratching each outer soil between the two files and the filler material to draw out the scratch structure while mixing the outer soil material and the filler material
A method for manufacturing a water wall of a CIP method using a scratch structure including a waterproof structure.
Wherein the scratch structure comprises:
A cylindrical structural body corresponding to the shape of the casing,
An upper end of which is fixed to one side of the lower end side of the structure main body and a lower end of which is a free end of an elastic material,
A method for manufacturing a water wall of a CIP method using a scratch structure including a waterproof structure.
The scratch member
Rake-shaped
A method of making a water wall of a CIP method using a scratch structure.
The scratch member
Cogwheel
A method of making a water wall of a CIP method using a scratch structure.
The scratch member
Screw-shaped
A method of making a water wall of a CIP method using a scratch structure.
The structure body includes:
A plurality of through holes arranged at predetermined intervals on the front surface of the main body for discharging the filler into a space between the casing and the scratch structure;
The method comprising the steps of:
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Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR20190045603A (en) | 2017-10-24 | 2019-05-03 | 주식회사 포스코 | Retaining Walls, and Construction Method of Underground Structure |
KR20190101001A (en) | 2018-02-22 | 2019-08-30 | 박계균 | Temporary cip retaining wall construction method |
KR102625776B1 (en) | 2022-10-25 | 2024-01-16 | 주식회사 예승종합기술공사 | Construction method of CIP retaining wall with improved water protection and ground subsidence prevention function |
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KR100553478B1 (en) * | 2005-06-14 | 2006-02-22 | (주)진산이엔지 | The drilled shaft and its construction method with the application of perforated metal tubing as drilled shaft reinforcement |
MY171501A (en) * | 2012-08-29 | 2019-10-15 | Daiwa House Ind | Method for constructing nodular cast-in-place concrete-based pile, and excavation blade-equipped steel pipe |
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- 2015-11-20 KR KR1020150163512A patent/KR101775621B1/en active IP Right Grant
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR20190045603A (en) | 2017-10-24 | 2019-05-03 | 주식회사 포스코 | Retaining Walls, and Construction Method of Underground Structure |
KR20190101001A (en) | 2018-02-22 | 2019-08-30 | 박계균 | Temporary cip retaining wall construction method |
KR102625776B1 (en) | 2022-10-25 | 2024-01-16 | 주식회사 예승종합기술공사 | Construction method of CIP retaining wall with improved water protection and ground subsidence prevention function |
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