KR101026788B1 - Block and reinforced retainaing wall using the same - Google Patents

Abstract

The present invention is a reinforcement earth retaining wall block, characterized in that the left and right reinforcement insert groove 101 and the front and rear reinforcement insert groove 102 is formed on the upper surface, and the concave-convex portion 110 for engagement in the vertical direction on the left and right sides ( By suggesting 100), the construction is simple, the required area is small, economical, and the structural stability of the entire retaining wall can be increased.

Reinforced soil, retaining wall, corner

Description

Reinforcement earth retaining wall block and reinforcement earth retaining wall using same {BLOCK AND REINFORCED RETAINAING WALL USING THE SAME}

TECHNICAL FIELD The present invention relates to the field of construction, and more particularly, to a structure of a block used for a reinforced soil retaining wall.

1 is a cross-sectional view showing the structure of a conventional reinforced earth retaining wall.

As shown, the conventional reinforcement earth retaining wall is a front and rear reinforcement material in which a plurality of blocks (2) is constructed with a predetermined space from the rear soil (1), the rear end is fixed to the rear soil (1) or anchor (not shown) The front end portion of (3) is fixed to the block (2), and the reinforcement soil (4) is filled and compacted in the space between the rear soil (1) and the block (2), thereby preventing the collapse of the block (2) Is taking.

Here, the front and rear reinforcement (3) serves as a tension member connecting the surface material structure and the rearing soil, a rigid reinforcement such as reinforcing bar may be used, or a flexible reinforcement such as geogrid (mesh).

Since the reinforced earth retaining wall is evaluated as having excellent economic and mechanical stability compared to the concrete gravity retaining wall, it is being constructed by various modifications.

For example, the structure of the block 2, the front and rear reinforcement 3 is modified, or the fixing method for the block 2, the reinforcement soil 4 and the rear soil 1 of the front and rear reinforcement 3 is modified or constructed. It is to install a left and right reinforcement (not shown) to prevent the deformation of the block 2 structure.

By the way, the conventional reinforcement soil retaining wall has a common problem with respect to the structure of the corner portion (the section where the end face is bent or curved).

Conventionally, in this case, a number of blocks are installed in a curved shape or another auxiliary block is added. This is basically uneconomical, and the construction surface becomes narrower as the upper part is constructed. The problem of the hassle and the deterioration of the block quality in the cutting process is caused.

In addition, in terms of structural stability, it has been pointed out that uneven settlement and stress concentration are likely to occur at the corners, thereby degrading the structural stability of the entire retaining wall due to gaps and other partial breakage between blocks.

In order to alleviate this problem, the corner portion should be designed to have a gentle radius of curvature, but this causes another problem that the site required for the construction of the corner portion becomes large, which is uneconomical.

The present invention was derived to solve the above problems, the construction is easy, the area of the required site is small and economical, the reinforced earth retaining wall block and the reinforced earth retaining wall using the same to increase the structural stability of the entire retaining wall Its purpose is to present.

In order to achieve the object as described above, the present invention, the left and right reinforcement insert groove 101 and the front and rear reinforcement insert groove 102 is formed on the upper surface, and the uneven portion 110 for engaging in the vertical direction on the left and right sides. Presents a block 100 for reinforcement earth retaining wall, characterized in that formed.

It is preferable that the engagement concave-convex portion 110 forms a semicircular structure as a whole of the longitudinal section.

It is preferable that the front face is formed to protrude forward than the front end of the engaging portion 110.

It is preferable that the front inclined portion 103 that is inclined toward the rear is formed in the region between the front surface and the engagement portion 110 for the engagement.

The left and right reinforcement insert groove 101 is formed to cross the upper surface in the left and right direction, the front and rear direction reinforcement insert groove 102 is preferably a pair extending rearward from the core portion of the left and right reinforcement insert groove 101. Do.

Both ends of the left and right reinforcement insert groove 101 is preferably inclined toward the rear.

It is preferable that the insertion groove reinforcement part 120 protrudes from the rear side to the periphery of the front and rear direction reinforcement insert groove 102.

Both sides of the insertion groove reinforcement portion 120 is preferably inclined toward the front.

It is preferable that the connecting pin through-hole 130 is formed in the left and right cores in the vertical direction.

Preferably, the hollow portion 140 penetrates up and down in an area between the pair of connection pin through holes 130 so that the connection pin inserted into the connection pin through holes 130 is accommodated.

The present invention as another means for achieving the above object, the retaining soil retaining wall block 100 is installed in front of the rear soil (10); The front end is inserted into and supported in the left and right reinforcement insert groove 101 and the front and rear reinforcement insert groove 102, and the rear end is provided with a strip-shaped reinforcement 200 supported by the anchor or the rearing soil; .

The band-shaped reinforcement 200 is preferably installed to bind both adjacent reinforcement soil retaining wall blocks 100 among the plurality of reinforcement soil retaining wall blocks 100 in common.

The present invention proposes a reinforcement soil retaining wall block and a reinforced soil retaining wall using the same, which is easy to construct, has a small area of required site, is economical, and can increase the structural stability of the whole retaining wall.

Hereinafter, embodiments of the present invention will be described in detail with reference to the accompanying drawings.

As shown in Figure 2, the reinforcement earth retaining wall block 100 according to the present invention is basically, the upper and left reinforcement insert groove 101 and the front and rear reinforcement insert groove 102 is formed on the upper surface, It is characterized in that the concave-convex portion 110 is formed in the vertical direction.

As shown in FIG. 3, the reinforcement soil retaining wall block 100 is installed in front of the rear soil 10, and the shear is inserted into the left and right reinforcement insert groove 101 and the front and rear reinforcement insert groove 102. It is supported, and the rear end is combined with the band-shaped reinforcement 200 supported by the anchor or the rearing soil to form a reinforced soil retaining wall.

As described above, the block 100 according to the present invention has a structure in which engagement recesses 110 for engagement are formed on both sides and thus firmly engage with the recesses and protrusions of adjacent blocks, so that even if the radius of curvature is not gentle, the corner portion can be constructed. Therefore, the required site may be small, economical, it does not require a large number of blocks for the construction of the corner portion, there is an advantage that no separate auxiliary block is required at all.

In addition, since the engaging concave-convex portion 110 is formed in the vertical direction, and they restrain each other between the blocks, the distortion stress caused by the uneven settlement is converted into the vertical stress of the entire structure structure of the block, stress concentration It is possible to prevent the breakage of the block by solving the problem, and further increase the structural stability of the retaining wall.

The engaging concave-convex portion 110 may be any structure as long as the concave-convex portion of the adjacent block can be combined with the concave-convex portion. However, in order to reduce the radius of curvature of the corner portion when the concave-convex portion is formed, the longitudinal cross-section of the concave-convex portion 110 forms a semicircular structure. It is preferable.

In order to widen the contact area between the upper and lower blocks 100 to be constructed to contribute to the stability of the retaining wall, as shown in FIGS. 4 and 5, the front face of the block 100 is forward than the front end of the engaging concave-convex portion 110. It is desirable to take a protruding structure.

When the inclined front inclined portion 103 is formed in the region between the front of the block 100 and the engaging concave-convex portion 110 toward the rear, the front surface of the block 100 structure is gently curved as a whole during the construction of the corner portion. It is preferable at the point which takes a structure.

The left and right reinforcement insert groove 101 is formed to cross the upper surface in the left and right direction, and the front and rear reinforcement insert groove 102 has a configuration in which the pair extends rearward from the core of the left and right reinforcement insert groove 101, As shown in FIG. 3, the flexible band-shaped reinforcement 200 is commonly coupled to the reinforcement insertion grooves 101 and 102 of both blocks, thereby providing a more firm coupling between the convex and concave portions 110. .

In order to make this coupling by the band-shaped reinforcement 200 more smoothly and to prevent the breakage of the band-shaped reinforcement 200, it is preferable that both ends of the left and right reinforcement inserting grooves 101 are inclined toward the rear side.

Since the periphery of the front and rear reinforcement insert groove 102 of the block 100 is a portion where stress concentration may occur by coupling with the band-shaped reinforcement 200, the insertion groove reinforcement portion 120 protrudes from the rear to the rear It is desirable to take

For the same purpose as the structure of the front inclined portion 103 of the block 100 described above, it is preferable that both sides of the insertion groove reinforcement portion 120 take a structure inclined toward the front side.

6 and 7, when the connecting pin through-hole 130 is formed in the upper and lower directions in the left and right cores, the connecting pin 30 is mounted to bind the blocks 100 stacked in the vertical direction. can do.

8 and below show the process of building the reinforcement soil retaining wall by binding the two blocks 100 to each other by such a structure and stacking them.

In this case, it is preferable that the hollow portion 140 penetrates up and down in a region between the pair of connection pin through holes 130 so that the connection pin 30 inserted into the connection pin through holes 130 is accommodated.

Referring to the retaining wall construction process shown in Figure 8 below.

Blocks 100 are arranged in two layers on the upper surface of the foundation 20, and the upper and lower blocks 100 bind to each other by inserting the connecting pins 30 into the respective through holes 130 (FIG. 8).

After filling and compacting the soil sand 10 behind the block 100, the front end of the strip-shaped reinforcement 200 is inserted into and fixed to the insertion grooves 101 and 102 of the block 100, and the rear end thereof is fixed to the soil sand 10 or the anchor. By fixing (Fig. 9).

The block 100 is constructed by the stacking method on the upper part of the block 100 constructed by the above, and the connecting pin 30 interconnecting the lower block 100 is added to the hollow portion of the upper block 100. Inserted into 140 (FIG. 9).

By repetition of this process, it is possible to construct a reinforcing soil retaining wall having a stable corner portion (FIG. 10).

In this way, the block 100 having the engaging concave-convex portion 110, the band-shaped reinforcement 200 to bind the adjacent blocks between each other, the connecting pin coupled to the through-hole 130 and hollow portion 140 of the block 100. By the interaction of (30), all the distortion stresses that may occur in the corner portion is converted into the vertical stress of the block 100 construction structure, the stress concentration can be solved to improve the structural stability of the retaining wall.

Since the above has been described only with respect to some of the preferred embodiments that can be implemented by the present invention, the scope of the present invention, as is well known, should not be construed as limited to the above embodiments, the present invention described above It will be said that both the technical idea and the technical idea which together with the base are included in the scope of the present invention.

1 is a cross-sectional view of a conventional reinforced earth retaining wall.

2 to 7 show an embodiment of a block according to the present invention,

2 is a perspective view of a first embodiment;

3 is a plan view of the first embodiment;

4 is a perspective view of a second embodiment;

5 is a plan view of a second embodiment;

6 is a perspective view of a third embodiment;

7 is a plan view of a third embodiment;

8 to 10 is a process chart showing the construction process of the reinforced earth retaining wall according to the present invention.

DESCRIPTION OF REFERENCE NUMERALS

10: humble earth and sand 20: foundation

30: connecting pin 100: reinforcement earth retaining wall block

101: left and right reinforcement insert groove 102: front and rear reinforcement insert groove

103: front inclined portion 110: engaging concave-convex portion

120: insertion groove reinforcement 130: connection pin through hole

140: hollow portion 200: strip-shaped reinforcement

Claims (12)

delete Left and right reinforcement insert groove 101 and the front and rear reinforcement insert groove 102 is formed on the upper surface, Concave-convex portion 110 for engagement in the vertical direction on the left and right sides is formed, The engaging concave-convex portion 110 is a block for reinforcement soil retaining wall, characterized in that the longitudinal cross-section of the semi-circular gear structure as a whole. The method of claim 2, Reinforcement earth retaining wall block 100, characterized in that the front is formed to protrude forward than the front end of the engaging concave-convex 110. The method of claim 3, Reinforcement earth retaining wall block 100, characterized in that the front inclined portion 103 inclined toward the rear is formed in the region between the front and the concave-convex portion 110. The method of claim 2, The left and right reinforcement insert groove 101 is formed to cross the upper surface in the left and right direction, the front and rear direction reinforcement insert groove 102 is characterized in that the pair is formed to extend rearward from the core portion of the left and right reinforcement insert groove 101. Reinforced soil retaining wall block (100). The method of claim 5, Both ends of the left and right reinforcement insert groove 101 is inclined toward the rear reinforcement soil retaining wall block, characterized in that the inclined toward the rear (100). The method of claim 6, Reinforcement earth retaining wall block 100, characterized in that the front and rear direction reinforcement insert groove 102 around the insertion groove reinforcement portion 120 protruded from the rear. The method of claim 7, wherein Both sides of the insertion groove reinforcement portion 120 is reinforced soil retaining wall block 100, characterized in that inclined toward the front. The method of claim 2, Reinforcement earth retaining wall block 100, characterized in that the connecting pin through-hole 130 is formed in the vertical direction in the left and right core. 10. The method of claim 9, Reinforcement soil characterized in that the hollow portion 140 is formed in the vertical direction in the area between the pair of the connection pin through-hole 130 so that the connection pin is inserted into the connection pin through-hole 130 during stacking Retaining wall block 100. A plurality of reinforcing soil retaining wall blocks (100) according to any one of claims 2 to 10 installed in front of the rear soil (10); A front end is inserted into the left and right reinforcement insert groove 101 and the front and rear reinforcement insert groove 102 is supported, the rear end is a band-shaped reinforcement (200) supported by the anchor or the rear soil; Reinforced earth retaining wall containing. The method of claim 11, The strip-shaped reinforcing material 200 is reinforced soil retaining wall, characterized in that it is installed to bind the adjacent both reinforcement soil retaining wall block 100 of the plurality of reinforced soil retaining wall blocks (100) in common.

Images