KR101103142B1 - Retaining wall structure and construction method of the retaining wall structure - Google Patents
Retaining wall structure and construction method of the retaining wall structure Download PDFInfo
- Publication number
- KR101103142B1 KR101103142B1 KR1020090133874A KR20090133874A KR101103142B1 KR 101103142 B1 KR101103142 B1 KR 101103142B1 KR 1020090133874 A KR1020090133874 A KR 1020090133874A KR 20090133874 A KR20090133874 A KR 20090133874A KR 101103142 B1 KR101103142 B1 KR 101103142B1
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- KR
- South Korea
- Prior art keywords
- retaining
- slope
- block
- horizontal
- reinforcement
- Prior art date
Links
- 238000010276 construction Methods 0.000 title claims abstract description 26
- 230000002787 reinforcement Effects 0.000 claims abstract description 63
- 210000000282 Nails Anatomy 0.000 claims abstract description 45
- 230000003014 reinforcing Effects 0.000 claims abstract description 22
- 239000000463 materials Substances 0.000 claims abstract description 19
- 239000002689 soil Substances 0.000 claims abstract description 5
- 239000003351 stiffeners Substances 0.000 claims abstract description 3
- 238000009434 installation Methods 0.000 claims description 27
- 238000003780 insertion Methods 0.000 claims description 14
- 238000006073 displacement reactions Methods 0.000 claims description 6
- 230000015556 catabolic process Effects 0.000 abstract description 2
- 239000004575 stone Substances 0.000 description 2
- 238000003466 welding Methods 0.000 description 2
- 229910000831 Steel Inorganic materials 0.000 description 1
- 230000000875 corresponding Effects 0.000 description 1
- 230000003628 erosive Effects 0.000 description 1
- 239000004746 geotextiles Substances 0.000 description 1
- 238000000034 methods Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000006011 modification reactions Methods 0.000 description 1
- 239000011435 rock Substances 0.000 description 1
- 239000004576 sand Substances 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
Images
Classifications
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D29/00—Independent underground or underwater structures; Retaining walls
- E02D29/02—Retaining or protecting walls
- E02D29/0225—Retaining or protecting walls comprising retention means in the backfill
- E02D29/0233—Retaining or protecting walls comprising retention means in the backfill the retention means being anchors
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D17/00—Excavations; Bordering of excavations; Making embankments
- E02D17/20—Securing of slopes or inclines
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D2300/00—Materials
- E02D2300/0085—Geotextiles
Abstract
Description
The present invention relates to a retaining wall structure and a construction method thereof, wherein the reinforcing wall fixing the retaining wall block is horizontally installed on the slope so that the horizontal reinforcing bar and the vertical reinforcement connected to the horizontal reinforcement and the slope are installed in advance. It relates to a retaining wall structure and a method for constructing the nail by combining the nail through a connecting body so that the construction is simple and the retaining wall block is integrated to be stably fixed.
In general, slopes that cut or fill rock or soil are generally structurally unstable, causing accidents to collapse due to rainfall, so that retaining wall blocks are constructed to secure structural stability and prevent erosion weathering.
10-0742335, filed and filed by the applicant, supported natural stone by welding L-shaped angles, joint members, and nails to stably fix the natural stone.
However, by welding the L-shaped angle and the joint member and the nail as described above, there is a problem that the work is very cumbersome and the work time increases, the construction cost increases with the increase of the construction period.
In addition, in the past, the slopes were stabilized by connecting a fixture such as a concrete block to the rear of the retaining wall block. However, by installing the fixture corresponding to the retaining wall block, the retaining wall blocks could not be integrated to prevent local destruction by concentrated load. There is a problem that occurs and the construction is cumbersome, the construction time increases, there is a problem that the connection strength of the fixing material and the block is weakened.
An object of the present invention for solving the above problems, by using a connecting body to connect the reinforcement for supporting the retaining wall block integrally fixed to the small nail and vertical reinforcement and horizontal reinforcing bar installed in the cut portion and horizontal reinforcement This makes it easy to install the reinforcing material for fixing the retaining wall block, and the retaining wall blocks are integrated to provide excellent resistance to local breakdown caused by the concentration of earth pressure, and to secure structural stability by installing a small nail in the cut section in advance. To provide a retaining wall structure and its construction method.
The present invention to achieve the object as described above and to perform the problem for eliminating the conventional defects, a plurality of small nails installed inside the cut slope to prevent the collapse of the slope; A connector installed on the slope to allow the small nail to be fixed; Horizontal reinforcement is inserted into the connecting member in the horizontal direction and installed horizontally on the slope; A vertical reinforcing bar installed in the connecting body in a vertical direction to intersect the horizontal reinforcing bar; A base portion formed on the front bottom surface of the cut slope; A retaining wall block laminated on the base to allow the slope to be structurally stable; A connecting stiffener fitted between the retaining wall blocks stacked in a state in which the retaining wall blocks are stacked on the horizontal reinforcement so as to be stably supported on a slope; A backfill material filled between the slope and the retaining wall block; And a control unit.
In addition, the connecting body, the inside of the rectangular box-shaped body is empty; Horizontal rebar installation hole formed on the left and right sides of the body so that the horizontal rebar is fitted to the body; Vertical rebar installation hole formed in the upper and lower side of the body so that the vertical reinforcement body can be fitted; Characterized in that it comprises a; a small nail installation hole formed in the front and back side of the body so that the nail is inserted into the body to be fixed.
In addition, the upper portion of the retaining wall block is characterized in that the pin insertion hole is formed to be coupled to the retaining wall block adjacent to the side through the connecting pin.
In addition, it is characterized in that it further comprises a concave groove is formed concave around the pin insertion hole so that the connecting pin inserted in the pin insertion hole does not interfere with the block to be built up and down.
In addition, the concave groove is formed so as to extend toward the side of the retaining wall block is characterized in that it is configured so that the connecting pin fitted in the pin insertion hole can flow.
Meanwhile, the present invention provides a cutting step of cutting a slope and digging a front bottom surface of the cut slope and forming a foundation; A small nail installation step of installing a plurality of small nails on the slope so as to prevent the collapse of the cut slope and settled on the slope through a connecting body; Installing a horizontal rebar in a horizontal direction to be connected to the connecting body; Installing a vertical rebar in a vertical direction on a slope to be connected to the connecting body; Constructing the retaining wall block by constructing the retaining wall block in multiple stages in the base part, and reinforcing material wound on the horizontal rebar between the retaining wall blocks being vertically constructed to fit the retaining wall block; And a back filling step of filling a filling material such as gravel or soil to the rear of the retaining wall block.
In addition, when the retaining wall block is constructed, it is characterized in that it is connected by a connecting pin to prevent the displacement of the neighboring retaining wall blocks by earth pressure.
In addition, when the connecting pin is installed, the connecting reinforcement sandwiched between the retaining wall block is characterized in that the installation by walking the connection reinforcement to be firmly fixed.
As described above, according to the present invention, installation of small nails, horizontal rebars, and vertical rebars made through the connecting body is very simple, so that even non-skilled workers can easily construct and shorten the construction period, thereby reducing construction costs. It is possible to prevent the collapse of slopes and improve the structural stability of retaining wall blocks by installing a small nail in advance on the cut slope. Retaining wall blocks, connecting reinforcement, vertical rebar, horizontal rebar, and nail It is a very useful invention that has the same binding force as the structure and is stably fixed to the slope and distributes the earth pressure generated on the slope to prevent local detachment or collapse of the retaining wall block.
Hereinafter, the configuration and the operation of the embodiments of the present invention will be described in detail with reference to the accompanying drawings. In addition, in describing the present invention, if it is determined that a detailed description of a related known function or configuration may unnecessarily obscure the subject matter of the present invention, the detailed description thereof will be omitted.
1 is a cross-sectional view showing a retaining wall structure according to the present invention, Figure 2 is a perspective view showing the mounting structure of the horizontal reinforcing bar, vertical reinforcing bar, nail through the connecting body of the present invention and the retaining wall block and connecting reinforcement, Figure 3 is As a plan view showing the installation of the connecting reinforcement to the retaining wall block according to the present invention,
The retaining wall structure of the present invention has a plurality of small nails 300 installed inside the cut surface 600 cut as shown in the drawings to prevent the collapse of the slope 600, and the small nail 300 installed on the slope 600 ) Is connected to the connector 400 is installed on the slope so as to be firmly fixed in the ground, the horizontal reinforcement 310 is installed horizontally on the slope 600 so as to fit in the horizontal direction to the connector 400 and the Vertical reinforcement 320 is installed to be fitted in the vertical direction in the connecting body 400 and intersects with the horizontal reinforcement 310, and the base portion 100 formed on the front bottom surface of the cut slope 600 And, the plurality of retaining wall blocks 200 and the retaining wall block 200 to be stacked on the base portion 100 so that the slope 600 is structurally stabilized can be stably supported fixed to the slope 600 Fit between the retaining wall block 200 while being wound on the horizontal reinforcement 310 so that The connection reinforcement 500, and the back surface 600 and the retaining wall block 200 is configured to include a back filling material 610 is filled.
The small nail 300 is inserted into the ground of the slope 600 at predetermined intervals to increase the overall shear strength of the ground itself and also to suppress the displacement of the ground expected during and after construction.
That is, the retaining wall structure of the present invention minimizes the displacement of the cut slope 600 by connecting the retaining wall block 200 and the small nail 300 integrally with the construction of the retaining wall block 200 and the retaining wall block 200. It will be able to be fixed to the slope 600 stably.
The connector 400 is to allow the small nail 300 to be fixed, so that the horizontal reinforcement 310 and the vertical reinforcement 320 can be connected, the body 410 of the rectangular box-shaped empty inside The horizontal rebar installation hole 431 is formed on the left and right sides 430 of the body 410 to provide a space into which the horizontal rebar 310 can be fitted, and the upper and lower side surfaces 440 of the body 410. It is formed in the vertical reinforcing bar installation hole 441 to provide a space for the vertical reinforcement 320 is fitted, and formed in the front and rear side surface 420 of the body 410 is inserted into the small nail 300 It is configured to include a thumbnail installation hole 421 to enable.
Here, the small nail 300 is inserted through the small nail installation hole 421 is firmly fixed to the connecting body 400 through the fixing nut 450.
The horizontal reinforcement 310 is installed in the horizontal direction along the slope 600, is installed in the vertical direction on the vertical reinforcement 320, the slope 600 is fixed through the connecting member 400 is installed in a mutual grid form The retaining wall block 200 will be firmly fixed through the connecting reinforcement 500.
In addition, the horizontal reinforcement 310 is connected through the connection nut 460 is installed extending in the horizontal direction of the slope 600.
In addition, the vertical reinforcement 320 is fixed to the connector 400 through a fixing nut 450.
In the present invention as described above, the retaining wall block 200 is completely fixed to the horizontal reinforcement 310, the vertical reinforcement 320, and the small nail 300 that are installed on the slope 600 through the connection reinforcement material 500. Therefore, it is possible to prevent local detachment or collapse by the earth pressure generated from the rear.
In addition, the present invention is very easy to install and integrate the horizontal reinforcement 310, vertical reinforcement 320, the small nail 300 through the connecting member 400, the fixing nut 450, the connection nut 460 Easy and fast installation is possible, the construction period is reduced to reduce the construction cost, it is possible to stably fix the retaining wall block 200 when the connecting reinforcement 500 is connected to the horizontal reinforcement (310).
On the other hand, the connecting reinforcement material 500 is formed of a common geotextile or steel material and formed in a grid or strip to connect the retaining wall blocks 200 integrally and at the same time connected to the horizontal reinforcement wall retaining wall block 200 Minimize horizontal displacement and increase friction to ensure structural stability.
4 is a perspective view showing a retaining wall block according to the present invention, Figure 5 is a perspective view showing a side connection structure of the retaining wall block according to the present invention, the retaining wall block 200 is a block in which a through hole 211 is formed in the center Body 210 and formed to protrude to the rear of the block body 210 is configured to include an anchor portion 220 to increase the friction force so that the retaining wall block 200 can be stably fixed to the slope 600 do.
Pin insertion holes 212 are formed at both sides of the upper surface of the block body 210 to connect the adjacent retaining wall block 200 with the connection pin 230.
The connecting pin 230 is formed in a c shape and is inserted into the pin insertion hole 212 of the neighboring retaining wall block 200, thereby reducing the horizontal displacement of the retaining wall block 200, thereby leaving the retaining wall block 200 locally. To prevent or collapse.
In addition, the connecting pin 230 is formed in a depth deeper than the thickness of the connecting pin 230 around the pin insertion hole 212 so that the connecting pin 230 does not interfere with the retaining wall block 200 that is constructed up and down when the connecting pin 230 is inserted. The concave groove 213 is further formed.
In addition, when the installation angle of the retaining wall block 200 is changed according to the shape of the slope 600, the concave groove 213 is also changed according to the installation angle of the connection pin 230, the connection angle is changed so It is formed to extend toward the outside of the body portion 230 to flow.
In addition, the upper portion of the block body 210 is located in the rear of the pin insertion hole 212, the locking projection to be caught between the retaining wall block 200 is fitted between the retaining wall block 200 when the retaining wall block 200 construction 214 is formed.
Meanwhile, the retaining wall block 200 of the present invention may be constructed while retreating at a predetermined angle according to the construction site as shown in FIG. 6.
Referring to the construction process of the retaining wall structure of the present invention configured as described above, first, cut the slope 600 of the area to be constructed in the retaining wall structure, and excavate the front bottom surface of the cut slope 600 and dig Form a foundation on the bottom surface.
Thereafter, in order to prevent the collapse of the cut slope 600, a plurality of small nails 300 are installed at predetermined intervals, and the small nails 300 form the thumbnail installation holes 421 of the connector 400. Inserted through and fixed with a fixing nut 450.
By installing the small nail 300 on the cut surface 600 thus cut, the slope 600 is stabilized in advance, thereby improving structural stability of the retaining wall block 200.
Thereafter, the horizontal rebar 310 is installed on the slope 600 in the horizontal direction through the horizontal rebar installation hole 431 of the connector 400.
At this time, the horizontal reinforcement 310 is connected to the connection nut 460 is installed to extend in the width direction of the slope 600.
When the horizontal reinforcement 310 is installed as described above, the vertical reinforcement 320 is installed in the vertical direction of the slope 600 through the vertical reinforcement insertion hole 441 of the connector 400 and the connector through the fixing nut 450. Secure to 400.
After the first step of constructing the retaining wall block 200 in the base portion and filling the back filling material 610 such as gravel or earth and sand to the rear of the retaining wall block 200 is connected to be wound on the horizontal reinforcement 310 The reinforcing material 500 is extended to the upper portion of the retaining wall block 200 by overlapping the upper portion of the retaining wall block 200 and connects the neighboring retaining wall block 200 to the connection pin 230.
At this time, the connecting pin 230 is installed in a state in which the connecting reinforcing material 500 of the grid form.
When the retaining wall block 200 of the first stage is installed as described above, another retaining wall block 200 is stacked on the retaining wall block 200 to fix the connection reinforcement material 500, and the backfill material 610 is installed and connected as described above. Installation of the reinforcement 500 and the installation of the connecting pins 2300 are repeated to complete the construction of the retaining wall structure.
In the present invention constructed as described above, the horizontal reinforcement 310 is integrally connected to the connecting reinforcement 500 for supporting the retaining wall, the retaining wall block 200 and the connecting reinforcement 500, the vertical reinforcement 320, the horizontal reinforcement 310 ), The small nail 300 has the same binding force as one structure, and is stably fixed to the slope 600, and the retaining wall block 200 is applied to the retaining wall block 200 in a state in which earth pressure generated on the slope 600 is dispersed. Local departure or collapse of 200 can be prevented.
In addition, the cut slope 600 is installed in advance to the nail nail 300 to prevent the fall of the slope 600 in advance to improve the structural stability of the retaining wall block 200.
In addition, by fastening the retaining wall block 200 through the connecting pin 230 and by connecting the connecting reinforcement 500 at the same time to prevent the connecting reinforcement 500 is separated from the retaining wall block 200.
In addition, the installation of the small nail 300, the horizontal reinforcement 310, the vertical reinforcement 320 is connected very easily through the connector 400, anyone can be easily constructed even if unskilled and shorten the construction period Given.
The present invention is not limited to the above-described specific preferred embodiments, and various modifications can be made by any person having ordinary skill in the art without departing from the gist of the present invention claimed in the claims. Of course, such changes will fall within the scope of the claims.
1 is a cross-sectional view showing a retaining wall structure according to the present invention
Figure 2 is a perspective view showing the installation state of the horizontal reinforcing bar, vertical reinforcing bar, the nail structure and retaining wall block and connecting reinforcement through the connecting body of the present invention,
3 is a plan view showing the installation of the connecting reinforcement to the retaining wall block according to the present invention,
4 is a perspective view showing a retaining wall block according to the present invention;
5 is a perspective view showing a side connection structure of the retaining wall block according to the present invention;
6 is an exemplary view showing the construction of the retaining wall block according to the present invention;
<Description of the symbols for the main parts of the drawings>
(100): foundation portion 200: retaining wall block
(210): block body 211: through hole
(212): Pin insertion hole (213): Concave groove
Reference numeral 214: protrusion 220: anchor portion
(230): connecting pin
(300): Soil nail (310): Horizontal rebar
(320): vertical rebar (400): connector
410: body 420: front and back
(421): Small nail installation hole (430): left and right side
(431): horizontal rebar mounting hole (440): up and down side
(441): Vertical rebar mounting hole (450): Fixing nut
(460): Connection nut (500): Connection reinforcement
(600): slope (610): backfill
Claims (8)
- A plurality of small nails installed inside the cut slope to prevent the collapse of the slope;A connector installed on the slope to allow the small nail to be fixed;Horizontal reinforcement is inserted into the connecting member in the horizontal direction and installed horizontally on the slope;A vertical reinforcing bar installed in the connecting body in a vertical direction to intersect the horizontal reinforcing bar;A base portion formed on the front bottom surface of the cut slope;A retaining wall block laminated on the base to allow the slope to be structurally stable;A connecting stiffener fitted between the retaining wall blocks stacked in a state in which the retaining wall blocks are stacked on the horizontal reinforcement so as to be stably supported on a slope;A backfill material filled between the slope and the retaining wall block; Retaining wall structure, characterized in that comprises a.
- The method of claim 1,The connecting body,A hollow rectangular box body;Horizontal rebar installation hole formed on the left and right sides of the body so that the horizontal rebar is fitted to the body;Vertical rebar installation hole formed in the upper and lower side of the body so that the vertical reinforcement body can be fitted;Retaining wall structure, characterized in that it comprises a; a small nail installation hole formed in the front and back side of the body so that the small nail is inserted into the body to be fixed.
- The method of claim 1,Retaining wall structure, characterized in that the upper portion of the retaining wall block is formed with a pin insertion hole to be coupled through the retaining wall block adjacent to the side through the connecting pin.
- The method of claim 3, whereinRetaining wall structure characterized in that it further comprises a concave groove is formed concave around the pin insertion hole so that the connecting pin inserted in the pin insertion hole does not interfere with the block to be built up and down.
- The method of claim 4, whereinThe concave groove is formed to extend toward the side of the retaining wall block retaining wall structure, characterized in that configured to be able to flow the connecting pin inserted in the pin insertion hole.
- A cutting step of cutting the slope and severing the front bottom surface of the cut slope and forming a foundation;A small nail installation step of installing a plurality of small nails on the slope so as to prevent the collapse of the cut slope and settled on the slope through a connecting body;Installing a horizontal rebar in a horizontal direction to be connected to the connecting body;Installing a vertical rebar in a vertical direction on a slope to be connected to the connecting body;Constructing the retaining wall block by constructing the retaining wall block in multiple stages in the base part, and reinforcing material wound on the horizontal rebar between the retaining wall blocks being vertically constructed to fit the retaining wall block;And a back filling step of filling a filling material such as gravel or soil to the rear of the retaining wall block.
- The method of claim 6,Construction method of the retaining wall structure, characterized in that for connecting the retaining wall block, when the construction of the retaining wall block, the connecting retaining wall blocks to prevent displacement by the earth pressure.
- The method of claim 7, whereinWhen the connecting pin is installed, the installation method of the retaining wall structure, characterized in that to install the connecting reinforcement so that the connecting reinforcing material sandwiched between the retaining wall block is firmly fixed.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| KR1020090133874A KR101103142B1 (en) | 2009-12-30 | 2009-12-30 | Retaining wall structure and construction method of the retaining wall structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| KR1020090133874A KR101103142B1 (en) | 2009-12-30 | 2009-12-30 | Retaining wall structure and construction method of the retaining wall structure |
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| Publication Number | Publication Date |
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| KR20110077334A KR20110077334A (en) | 2011-07-07 |
| KR101103142B1 true KR101103142B1 (en) | 2012-01-04 |
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| KR1020090133874A KR101103142B1 (en) | 2009-12-30 | 2009-12-30 | Retaining wall structure and construction method of the retaining wall structure |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR101238016B1 (en) * | 2012-07-03 | 2013-02-26 | 주식회사지이티-피씨 | Construction method of retaing wall block |
| KR101252133B1 (en) * | 2012-12-18 | 2013-04-08 | 주식회사 한길산업 | Construction structure and its method for geogrid of reinforced soil retaining wall |
| KR101990498B1 (en) * | 2018-12-28 | 2019-06-18 | 에스와이시 주식회사 | Seismic Retaining Wall Block and Its Construction Method |
| KR20190125107A (en) * | 2018-04-27 | 2019-11-06 | 한맥산업개발 주식회사 | Multifunctional bearing plate for civil engineering and soil nailing method using the same |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR101649874B1 (en) * | 2015-03-16 | 2016-08-30 | 이종규 | Retaning wall using formative block |
| KR101864354B1 (en) * | 2017-08-07 | 2018-07-13 | (주)케이에이 | retaining wall structure of assembly type |
| CN109610486A (en) * | 2018-12-17 | 2019-04-12 | 中冶天工集团有限公司 | A kind of high slope Permeable interlayer trapping method |
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| KR950002120A (en) * | 1993-06-15 | 1995-01-04 | 에스.르 바그레즈 | Power Link for Windows |
| KR20030044572A (en) * | 2001-11-30 | 2003-06-09 | 심석래 | Rock bolt linking reinforcement equipment |
| KR20070117059A (en) * | 2006-06-07 | 2007-12-12 | 주식회사 동명건설엔지니어링 | Reinforced earth retaining wall structure of perforated slope |
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2009
- 2009-12-30 KR KR1020090133874A patent/KR101103142B1/en active IP Right Grant
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR950002120A (en) * | 1993-06-15 | 1995-01-04 | 에스.르 바그레즈 | Power Link for Windows |
| KR20030044572A (en) * | 2001-11-30 | 2003-06-09 | 심석래 | Rock bolt linking reinforcement equipment |
| KR20070117059A (en) * | 2006-06-07 | 2007-12-12 | 주식회사 동명건설엔지니어링 | Reinforced earth retaining wall structure of perforated slope |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR101238016B1 (en) * | 2012-07-03 | 2013-02-26 | 주식회사지이티-피씨 | Construction method of retaing wall block |
| KR101252133B1 (en) * | 2012-12-18 | 2013-04-08 | 주식회사 한길산업 | Construction structure and its method for geogrid of reinforced soil retaining wall |
| KR20190125107A (en) * | 2018-04-27 | 2019-11-06 | 한맥산업개발 주식회사 | Multifunctional bearing plate for civil engineering and soil nailing method using the same |
| KR102102744B1 (en) * | 2018-04-27 | 2020-04-21 | 한맥산업개발 주식회사 | Multifunctional bearing plate for civil engineering and soil nailing method using the same |
| KR101990498B1 (en) * | 2018-12-28 | 2019-06-18 | 에스와이시 주식회사 | Seismic Retaining Wall Block and Its Construction Method |
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| Publication number | Publication date |
|---|---|
| KR20110077334A (en) | 2011-07-07 |
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