KR101494740B1 - Retaining wall using large block and construction method thereof - Google Patents

Abstract

The present invention relates to a retaining wall capable of preventing a reinforcing member from coming in contact with water. The retaining wall includes: retaining wall blocks which are stacked together in multiple units and have mounting groove units; a reinforcing member which is inserted into the mounting grooves to be extended from the retaining wall blocks; a support unit which is arranged on the back of the retaining wall block and is extended to the rear side of the retaining wall; and a sealing unit which is installed on the reinforcing member to prevent the reinforcing member from being exposed to the outside.

Description

BACKGROUND OF THE INVENTION 1. Field of the Invention [0001] The present invention relates to a retaining wall,

The present invention relates to a reinforced retaining wall using a large block and a method of constructing the reinforced retaining wall. More specifically, the reinforcing member for supporting the retaining wall block can be easily connected to the supporting portion for the slope, And a method of constructing the reinforced retaining wall using a large block capable of improving the bonding force between the retaining wall blocks.

In general, the soil nailing method is one of the ground reinforcement methods to stabilize by inserting stiffener into the soil. It inserts the stiffener into the ground at close intervals without prestressing to increase the overall shear strength of the ground itself. It is the top down type cut-to-ground reinforcement soil method which suppresses the expected ground displacement as much as possible.

Soil nailing method is widely used in urban areas where the foundation work is required but it is not possible to secure enough space for foundation work, or in the soil part where the strength of the ground is relatively weak and needs to be reinforced.

The construction of the retaining wall according to the related art is such that the retaining wall is formed by machining the entire surface of the soil portion to be constructed, and the reinforcing material is fixed by inserting the reinforcing material into the cut slope.

Here, the stiffener refers to a stiffener and is made of various reinforcing bars or concrete aggregate.

The end of the stiffener embedded in the slope is connected to one end of the linker at the cut slope, and the connection between the stiffener and the linker can be mediated by a coupler.

For reference, a thread is formed at the end of the stiffener and one end of the linker, and both ends of the stiffener and the linker are connected to each other via a nut engaged with the threads.

Since the other end of the linker is connected to the back surface of the retaining wall block, the retaining wall block can improve the rigidity of the retaining wall having a plurality of the retaining wall while maintaining the current position by the linker.

On the other hand, a backfilled aggregate is injected intimately between the tarsus portion and the retaining wall block to bond and stabilize the linker and the coupler, and to make the appearance of the retaining wall clean.

The base block further includes a foundation block embedded in the ground at a lower end of the retaining wall to increase self-supporting force of the retaining wall block formed up and down and prevent collapse in one direction.

BACKGROUND ART [0002] The background art of the present invention is disclosed in Korean Registered Patent Application No. 10-1022009 (published on Mar. 16, 2011, titled as a method of constructing a slope-mounted reinforcing-retaining wall applying a pressurized soil nailing method and a reinforced earth retaining wall block) have.

A general reinforced earth retaining wall has a problem that it is difficult to reduce the time and cost required for linking the linker and the reinforcing member because a connection is made between the linker connected to the retaining wall block and the stiffener by a coupler and a separate process for separately applying a tensile force is added have.

Further, since there is no separate technical structure for protecting the linker connected to the general retaining wall block, there is a problem that the linker is corroded due to abrasion or underground water contact with the linker.

In addition, a general reinforced earth retaining wall does not have a separate technical structure for connecting the retaining wall blocks to each other, and thus there is a problem that the retaining wall collapses due to separation of the stacked retaining wall blocks.

Therefore, there is a need for improvement.

According to the present invention, it is possible to easily connect a reinforcing member for supporting a retaining wall block and a supporting portion to be installed on a slope, to prevent a storm or underground water from contacting a reinforcing member connected to the retaining wall block, And a method for constructing the reinforced retaining wall.

The present invention relates to a retaining wall block comprising: a retaining wall block having a plurality of retaining grooves; A reinforcing member inserted into the seating groove and extending from the retaining wall block; A support portion provided at the rear of the retaining wall block and extending to the rear of the retaining wall block, to which the reinforcing member is fixed; And a cap provided on the reinforcing member to prevent the reinforcing member from being exposed to the outside of the retaining wall block.

In addition, the reinforcing member of the present invention is provided with a connecting block having a thread, and a plurality of the connecting blocks are connected by a coupler.

The support portion of the present invention includes a reinforcing member connected to the reinforcing member by the connecting portion and inserted into the slope.

Further, the present invention is further characterized by a connecting portion connecting the support portion and the reinforcing member of the present invention.

Further, the connecting portion of the present invention may include a connecting body disposed between the end portion of the reinforcing member and the end portion of the reinforcing member; A first engaging block coupled to one end of the connecting body and having a first inclined surface; A first cone formed to be inclined to be press-fitted into the first inclined surface and to which the reinforcing member is connected; A first finishing panel mounted to the first coupling block; A first elastic member interposed between the first finishing panel and the first cone; A second engaging block coupled to the other end of the connection body and having a second inclined surface; A second concave portion formed to be inclined to be pressed into the second inclined surface and to which the supporting portion is connected; A second finishing panel installed in the second coupling block; And a second elastic member interposed between the second finishing panel and the second concave portion.

The stopper of the present invention may further include: a third engaging block coupled to the reinforcing member and having a third inclined surface; A third concave portion formed to be inclined to be pressed into the third inclined surface and connected to the reinforcing member; A cap member installed to surround the third coupling block; A third finishing panel installed on the cap member and brought into close contact with the retaining wall block; And a third elastic member interposed between the cap member and the third concave portion.

Further, the cap member of the present invention is characterized in that an injection hole portion into which a waterproof fluid is injected is formed.

Further, the supporting part of the present invention may include: a plurality of fixing blocks provided at the rear of the retaining wall block; And a fixing member installed in the reinforcing member and inserted into the fixing block.

In addition, the reinforcement member of the present invention is provided with a protection pipe for preventing the rainwater or groundwater from contacting the reinforcing member.

(A) inserting a stiffener into a slope and seating a standing block provided with a seating groove; (b) inserting a reinforcing member into the seating groove and connecting the plug and the reinforcing member to connect the reinforcing member and the retaining wall block; (c) connecting the reinforcing member and the end of the reinforcing member to the connecting portion; (d) filling the reinforcing soil between the retaining wall block and the slope; And repeating the steps (a) to (d) to construct a retaining wall.

Since the reinforcing member connected to the retaining wall block and the supporting portion can be easily connected to each other, it is possible to easily connect the supporting portion and the reinforcing member, There is an advantage that the time and cost required can be reduced.

In addition, the reinforced retaining wall and the construction method using the large block according to the present invention can prevent abrasion or groundwater from contacting the reinforcing member by the coating layer or the protective pipe surrounding the reinforcing member, There is an advantage that this collapse can be prevented.

The reinforcing retaining wall and the method of constructing the reinforcing retaining wall using the large block according to the present invention include a connecting member for connecting reinforcing members connecting the retaining wall block and the supporting portion to each other to improve the bonding force between the retaining wall blocks, There is an advantage that the block can be prevented from collapsing.

FIG. 1 is a block diagram illustrating a reinforced retaining wall for reinforced concrete structures using large blocks according to an embodiment of the present invention. Referring to FIG.
FIG. 2 is a cross-sectional view illustrating a reinforcing member extension structure of a reinforced retaining wall of a sound / cut portion using a large block according to an embodiment of the present invention.
3 is a cross-sectional view illustrating a connection portion of a reinforced retaining wall of a resilient / resilient portion using a large block according to an embodiment of the present invention.
FIG. 4 is a cross-sectional view illustrating a stopper of a reinforced retaining wall of a resilient portion using a large block according to an embodiment of the present invention.
FIG. 5 is a view illustrating a reinforced retaining wall for a reinforced concrete structure using a large block according to another embodiment of the present invention.

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS Hereinafter, an embodiment of a reinforced retaining wall for reinforced concrete structures using large blocks according to the present invention and a construction method thereof will be described with reference to the accompanying drawings.

In this process, the thicknesses of the lines and the sizes of the components shown in the drawings may be exaggerated for clarity and convenience of explanation.

In addition, the terms described below are terms defined in consideration of the functions of the present invention, which may vary depending on the intention or custom of the user, the operator.

Therefore, definitions of these terms should be made based on the contents throughout this specification.

FIG. 1 is a schematic view illustrating a reinforced retaining wall for reinforced concrete structures using a large block according to an embodiment of the present invention. FIG. 2 is a cross- FIG. 3 is a cross-sectional view illustrating a connecting portion of a reinforced retaining wall of a resilient / cut-soil portion using a large block according to an embodiment of the present invention, and FIG. 4 is a cross- Sectional view showing a stopper portion of a reinforced retaining wall of a sex and a cut-away portion using a large block.

Referring to FIGS. 1 to 4, the reinforced retaining wall for large and small blocks using large blocks according to an embodiment of the present invention includes a retaining wall block 10 having a plurality of stacked seating grooves 12, A reinforcing member 30 inserted in the reinforcing member 12 and extending from the retaining wall block 10 and a reinforcing member 30 provided at the rear of the retaining wall block 10 and extending to the rear of the retaining wall block 10, A connecting portion 70 connecting the supporting portion 50 to the reinforcing member 30 and a reinforcing member 30 installed on the reinforcing member 30 to prevent the reinforcing member 30 from being exposed to the outside of the retaining wall block 10 And a stopper (80).

The retaining wall block 10 of the present embodiment has a seating groove 12 formed in a longitudinal direction at a central portion of the upper surface thereof and a reinforcing member 30 inserted into the seating groove 12 to extend from the front surface of the retaining wall block 10 to the back surface, (30) is seated, and a stopper (80) is provided at the front end of the reinforcing member (30).

The supporting portion 50 is connected to the rear side end portion of the reinforcing member 30 by the connecting portion 70 and the supporting portion 50 is installed on the slope surface to pull the reinforcing member 30, It is possible to prevent collapse forward.

The front end of the reinforcing member 30 is exposed to the front surface of the retaining wall block 10 through the seating groove 12. In this embodiment, since the plugging portion 80 is provided at the front end of the reinforcing member 30, The front end of the reinforcing member 30 for supporting the reinforcing member 10 is wrapped without being exposed to the outside of the retaining wall block 10.

At the end of the reinforcing member 30, a connecting block 32 having threads is provided, and a plurality of connecting blocks 32 are connected by a coupler 34.

Since the threads formed on the circumferential surface of the coupling block 32 are bolted to the coupler 34 so that the plurality of reinforcement members 30 are connected by the coupling blocks 32 coupled to both ends of the coupler 34, As shown in FIG.

Since the threads formed at both ends of the coupler 34 are formed in different directions, if the coupling block 32 is inserted into both ends of the coupler 34 and then the coupler 34 is rotated in one direction, The connecting block 32 is moved to the inside of the coupler 34.

Accordingly, by rotating the coupler 34 in one direction, it is possible to provide the tension to the reinforcing member 30 while moving the pair of connection blocks 32 to the inside of the coupler 34.

The supporting portion 50 is connected to the reinforcing member 30 by the connecting portion 70 and includes the reinforcing member 52 inserted into the slope so that the reinforcing member 52 is attached to the end portion of the reinforcing member 52, The reinforcing member 30 connected to the retaining wall block 10 is pulled toward the oblique side.

The connecting portion 70 includes a connecting body 70a disposed between the end of the reinforcing member 30 and the end of the reinforcing member 52 and a first inclined surface 74a coupled to one end of the connecting body 70a A first concave portion 72a formed on the first inclined surface 74a so as to be inclined and connected to the reinforcing member 30 and a first concave portion 72b formed on the first inclined surface 74a, A first elastic member 78a interposed between the first finishing panel 77a and the first cone portion 72a and a second elastic member 78b interposed between the first finishing panel 77a and the first cone portion 72a and a second inclined surface 74b coupled to the other end of the connection body 70a, A second concave portion 72b inclined to be press-fitted into the second inclined surface 74b and connected to the support portion 50 and a second concave portion 72b formed on the second inclined surface 74b, 2 finish panel 77b and a second elastic member 78b interposed between the second finishing panel 77b and the second cone portion 72b.

A first coupling block 73a to which the reinforcing member 30 is connected is fastened to one end of the coupling body 70a and a reinforcing member 52 is fastened to the other end of the coupling body 70a, Is connected to the second coupling block 73b.

The first inclined surface 74a is formed in the first coupling block 73a and the first cone portion 72a is inclined to face the first inclined surface 74a and the first concave portion 74a is inclined by the first elastic member 78a, (72a) is pressed toward the first inclined surface (74a).

The reinforcing member 30 inserted into the first engaging block 73a is supported by the first elastic member 78a so that the first cone portion 72a is not pushed into the connecting body 70a.

A first finishing panel 77a is provided on the first coupling block 73a and a first elastic member 78a is interposed between the first finishing panel 77a and the first cone portion 72a to form a first concave portion 72a To the first inclined surface 74a side.

A second inclined surface 74b is formed in the second coupling block 73b and the second cone portion 72b is formed obliquely to face the second inclined surface 74b. (72b) is pressed toward the second inclined surface (74b).

The second concave portion 72b is supported by the second elastic member 78b so as not to be pushed into the connection body 70a by the reinforcing member 52 inserted into the first coupling block 73b.

A second finishing panel 77b is provided on the second coupling block 73b and a second elastic member 78b is interposed between the second finishing panel 77b and the second cone portion 72b to form the second concave portion 72b To the second inclined surface 74b side.

Since the stiffener plate 79 is provided at the rear end of the connecting portion 70, the stiffener plate 79 is closely attached to the slope on which the stiffener 52 is inserted to support the connecting portion 70 and the stiffener 52.

The stopper portion 80 includes a third engaging block 82 coupled to the reinforcing member 30 and provided with a third inclined face and a third concave portion 82 formed to be inclined to be pressed into the third inclined face and connected to the reinforcing member 30, A cap member 88 installed to enclose the third coupling block 82, a third closing panel 86 installed on the cap member 88 and brought into close contact with the retaining wall block 10, And a third elastic member 87 interposed between the member 88 and the third cone portion 82.

The cap member 88 is formed so as to surround the end portion of the reinforcing member 30 projecting to the front surface of the retaining wall block 10 and the third engaging block 82 having the third inclined surface inside the cap member 88 And is fixed by the third finishing panel 86.

The third elastic member 87 is interposed between the cap member 88 and the third cone portion 82 so that the third cone portion 82 is pressed toward the third inclined surface side.

Since the injection hole portion 80a is formed at the front end of the cap member 88, fluid such as grease can be injected into the cap member 88. [

The end of the reinforcing member 30 exposed to the outside of the retaining wall block 10 is wrapped by the cap member 88 and the inside of the cap member 88 is filled with the grease. 30 can be prevented from being corroded.

In addition, the reinforcing member 30 is provided with a corrosion preventing pipe 36 made of a PVC pipe on the circumferential surface thereof to more effectively prevent corrosion by rain or underground water.

A method of constructing the reinforced retaining wall of the resilient / resilient portion using the large block according to an embodiment of the present invention will be described as follows.

The method for constructing the reinforced retaining wall using the large block according to the present embodiment is characterized in that the reinforcing member 52 is inserted into the slope and the retaining wall block 10 having the seating groove 12 and the connecting protrusion 14 is seated A step of inserting the reinforcing member 30 into the seating groove 12 and connecting the reinforcing member 30 to the retaining wall block 10 by connecting the plug portion 80 and the reinforcing member 30, A step of connecting the reinforcing member 30 and the end of the reinforcing member 52 to the reinforcing member 70 in the step 70, filling the reinforcing soil between the retaining wall block 10 and the slope, and repeating the above steps to construct the retaining wall .

The reinforcing members 30 are inserted into the seating grooves 12 of the retaining wall block 10 after a plurality of reinforcing members 52 are inserted into the slopes and then the retaining wall blocks 10 are placed in front of the slopes.

A stopper portion 80 is provided at the end of the reinforcing member 30 exposed to the front surface of the retaining wall block 10 so that the reinforcing member 30 is connected to the retaining wall block 10.

The reinforcing member 30 extending to the back side of the retaining wall block 10 is connected to the end portion of the reinforcing member 52 by the connecting portion 70.

A stiffener plate 79 is provided on a slope on which the connecting portion 70 is seated so that the stiffener 52 and the connecting portion 70 can be supported on the slope.

Thereafter, when the reinforcing soil is filled between the retaining wall block 10 and the slope, a single retaining wall is completed, and the retaining wall formed by laminating a plurality of retaining wall blocks 10 is constructed by repeating the construction method.

When another retaining wall block 10 is stacked on the upper surface of the retaining wall block 10, a connecting protrusion 14 protruding from the upper surface of the retaining wall block 10 is formed on the bottom surface of another retaining wall block 10 The plurality of retaining wall blocks 10 are successively stacked in the vertical direction so as to be inserted into the connection groove portions 16. [

Accordingly, a plurality of the retaining wall blocks 10 are stacked at the correct positions, thereby preventing the retaining wall from collapsing forward.

Reference numerals 76a, 76b and 84 denote a first finishing ring 76a, a second finishing ring 76b and a third finishing ring 76b provided on the first cone portion 72a, the second cone portion 72b and the third cone portion 82, And a closing ring 84.

FIG. 5 is a view illustrating a reinforced retaining wall for a reinforced concrete structure using a large block according to another embodiment of the present invention.

5, the supporting portion 50 of the reinforced retaining wall using the large block according to another embodiment of the present invention includes a plurality of fixing blocks 58 provided at the rear of the retaining wall block 10, And a fixing member 59 installed in the reinforcing member 30 and inserted into the fixing block 58.

A plurality of fixing blocks 58 are disposed inside the reinforcing soil so as to keep a distance therebetween. A fixing member 59 having a larger cross-sectional area is formed at an end portion of the reinforcing member 30 extending rearward from the retaining wall block 10 And a fixing member 59 is inserted into the fixing block 58 in the fixing member 59. [

The fixing member 59 includes a fixing pipe 59a into which the end of the reinforcing member 30 is inserted and a pressing member 59 connected to the end of the fixing pipe 59a and press- A press-fitting block 59c having an inclined surface formed so as to be in close contact with an inclined surface formed on the inner wall of the press-in member 59b and inserted into the press-in member 59b and press-fitting the end of the reinforcing member 30, And a fourth elastic member 59d interposed between the press-fit block 59c and the press-in member 59b so as to bring the inclined surface of the push-in member 59c into contact with the inner wall of the press-in member 59b.

When the reinforcing member 30 coated with the coating layer 36 is inserted into the press-fitting member 59b after passing through the fixing pipe 59a, the end of the reinforcing member 30 composed of the strand is pressed into the press- The reinforcing member 30 and the fixing member 59 are connected to each other and the press-fit block 59c is brought into close contact with the inner wall of the press-in member 59b by the elastic force of the fourth elastic member 59d.

The reinforcing member 30 extending from the retaining wall block 10 is coupled to the fixing block 58 by inserting the pressing member 59b into the fixing block 58 by engaging the fixing pipe 59a with the pressing member 59b, As shown in FIG.

In addition, since the protective pipe 38 is provided in the reinforcing member 30 of the present embodiment, the reinforcing member 30 can be prevented from being corroded by rain or underground water, and the protective pipe 38 has a corrugated pipe shape.

As a result, it is possible to easily connect the reinforcing member for supporting the retaining wall block and the supporting portion to be installed on the slope, to prevent the rain or ground water from contacting the reinforcing member connected to the retaining wall block, and to improve the bonding force between the retaining wall blocks It is possible to provide a reinforcing retaining wall for a reinforced concrete structure using a large-sized block capable of forming a large-size block and a construction method thereof.

While the present invention has been particularly shown and described with reference to exemplary embodiments thereof, it is to be understood that the invention is not limited to the disclosed embodiments, but, on the contrary, is intended to cover various modifications and equivalent arrangements included within the spirit and scope of the appended claims. .

In addition, although the reinforcing retaining wall using the large block and the reinforcing retaining wall and the method of constructing the reinforcing retaining wall using the large block are described as an example, the present invention is not limited thereto. The reinforcing retaining wall and the construction method thereof can be used.

Accordingly, the true scope of the present invention should be determined by the following claims.

10: retaining wall block 12:
14: connection projection 16: connection groove
30: reinforcing member 32: connecting block
34: coupler 36: coating layer
38: Protection tube 50: Support
52: stiffener 58: fixed block
70: connecting portion 70a: connecting body
72a: first cone portion 72b: second cone portion
73a: first coupling block 73b: second coupling block
74a: first inclined surface 74b: second inclined surface
76a: first finishing ring 76b: second finishing ring
77a: first finishing panel 77b: second finishing panel
78a: first elastic member 78b: second elastic member
80: stopper portion 82: third concave portion
83: third coupling block 84: third closing ring
86: third closing panel 87: third elastic member
88: cap member 88a: sealing member
88b: mounting plate 100: reinforcing soil

Claims (10)

A retaining wall block having a plurality of stacked and seating grooves;
A reinforcing member inserted into the seating groove and extending from the retaining wall block;
A support portion provided at the rear of the retaining wall block and extending to the rear of the retaining wall block, to which the reinforcing member is fixed; And
And a stopper provided on the reinforcing member to prevent the reinforcement member from being exposed to the outside of the retaining wall block,
The stopper
A third engaging block coupled to the reinforcing member and having a third inclined surface;
A third concave portion formed to be inclined to be pressed into the third inclined surface and connected to the reinforcing member;
A cap member installed to surround the third coupling block;
A third finishing panel installed on the cap member and brought into close contact with the retaining wall block; And
And a third elastic member interposed between the cap member and the third concave portion.
The method according to claim 1,
Wherein the reinforcing member is provided with a connecting block having a thread and the plurality of connecting blocks are connected by a coupler.
The method according to claim 1,
Further comprising a connecting portion connecting the supporting portion and the reinforcing member,
The connecting portion
A connecting body disposed between the end of the reinforcing member and the end of the stiffener;
A first engaging block coupled to one end of the connecting body and having a first inclined surface;
A first cone formed to be inclined to be press-fitted into the first inclined surface and to which the reinforcing member is connected;
A first finishing panel mounted to the first coupling block;
A first elastic member interposed between the first finishing panel and the first cone;
A second engaging block coupled to the other end of the connection body and having a second inclined surface;
A second concave portion formed to be inclined to be pressed into the second inclined surface and to which the supporting portion is connected;
A second finishing panel installed in the second coupling block; And
And a second elastic member interposed between the second finishing panel and the second concave portion.
The method of claim 3,
Wherein the supporting portion includes the reinforcing member connected to the reinforcing member by the connecting portion and inserted into the slope.
delete delete The method according to claim 1,
Wherein the cap member is formed with an injection hole portion into which a waterproof fluid is injected.
The apparatus according to claim 1,
A plurality of fixed blocks provided behind the retaining wall blocks; And
And a fixing member installed on the reinforcing member and inserted into the fixing block.
8. The method of claim 7,
Wherein the reinforcing member is provided with a protective pipe for preventing the excellent or ground water from contacting the reinforcing member.
(a) inserting a stiffener into a slope and seating a standing block having a seating groove;
(b) inserting a reinforcing member into the seating groove and connecting the plug and the reinforcing member to connect the reinforcing member and the retaining wall block;
(c) connecting the reinforcing member and the end of the reinforcing member to the connecting portion;
(d) filling the reinforcing soil between the retaining wall block and the slope; And
Repeating the steps (a) to (d) to construct a retaining wall,
The step (b)
A third engaging block coupled to the reinforcing member and having a third inclined surface;
A third concave portion formed to be inclined to be pressed into the third inclined surface and connected to the reinforcing member;
A cap member installed to surround the third coupling block;
A third finishing panel installed on the cap member and brought into close contact with the retaining wall block; And
And a third elastic member interposed between the cap member and the third cone. The method of claim 1,

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