KR100919755B1 - Retaining wall block for reinforcement ground - Google Patents

Abstract

The present invention relates to a block for constructing a reinforced soil retaining wall, the body portion and the middle portion and the wing portion is formed integrally, each of the body portion and the middle portion of the first filling hole which is filled with soil or gravel through the top and bottom, and In the building block for reinforcing soil wall in which the second filling hole is formed,

The bottom of the body to form a drainage path extending from the first filling hole to the front of the body portion in order to be able to discharge the rainwater penetrating into the backfilling soil after the reinforcement retaining wall is built up, and the middle In the upper part, the block binding mortar placing hole for connecting the blocks constructed up and down by using cement mortar and improving the binding strength of the grid reinforcement penetrates up and down to communicate with the grid binding groove at the bottom of the block. The invention is characterized in that it is formed.

Reinforced soil retaining wall, block, body, middle part, wing part, first and second filling hole, drainage path, mortar for ball binding, expansion pipe

Description

Retaining wall block for reinforcement ground}

The present invention relates to a block for constructing a reinforced soil retaining wall, and more particularly, a grid for quickly draining rainwater that penetrates into the filled soil of a reinforced soil retaining wall, and for strengthening the binding force of the soil deposited behind the reinforced soil retaining wall. An object of the present invention is to provide an improved reinforcing soil retaining wall block for tightly binding a reinforcement to a constructed reinforcing soil retaining wall.

In general, the reinforcement soil wall is formed of a block of the size is formed in a constant size, up and down, and the grid reinforcement is installed horizontally on the soil soiled with one end interposed between the blocks, the reinforcement soil wall is formed of concrete And the grid reinforcement which is not corroded to the soil filled on the rear side of the block to be constructed. The grid reinforcement and the backfilled soil filled on the rear of the block are bound together by one large gravity structure to provide shear resistance and load. It must be constructed so that it is well distributed and adapts well to inequality.

As the prior art, a retaining wall block proposed by Korean Patent Publication No. 1997-1721 has been introduced. The above-described prior art discloses a binding structure between blocks stacked up and down is a hole penetrating up and down through the block. Insert a pin made of fiber glass material, and let the upper block of the pin to be inserted into the hole of the block located on the lower side protrude, and then pin the upper block to the pin of the block to be stacked on the lower block. Since the holes formed in the block of the prior art have a small diameter, the holes are often blocked, and thus, in the work site of the reinforced earth retaining wall, the worker is drilled in the hole formed in the block. It should be checked whether or not it is blocked, and when it is blocked, it should perform the work that needs to be drilled again. As the block for concrete is a heavy weight, it takes considerable strength when the worker carries it directly. Therefore, the building block is constructed by using the lifting equipment. At this time, the fiber glass pins projecting from the upper surface of the lower block are to be stacked on the upper side. It is too difficult to pinch and sometimes breaks the pins by mistake. If the upper blocks are stacked with the pins in the lower blocks broken, the binding force between the upper and lower blocks Not only is this weakening, but the binding state of the grid reinforcement is very poor may cause a problem that causes the sub-holes.

In addition, the above-described prior art is a grid reinforcing material for binding the backfill soil to be filled to the back of the block into a single structure is simply laminated on the upper and lower side without being bonded to the upper and lower surfaces of the block laminated on the upper and lower sides It has been pointed out that the binding force between the block and the grid reinforcement is weak because it is installed in the state of being interposed between the blocks and the fiber glass pins inserted into the holes of the blocks. It causes the inequality to appear.

On the other hand, the reinforcement soil retaining wall constructed of conventional blocks, including the prior patent technology described above, because the rainwater penetrated into the backfilling soil during rainy weather cannot be drained smoothly between the built blocks. When the internal water acts as a water pressure or the concentrated rainwater flows to one side, a phenomenon such as backfilling soil is lost, which causes the reinforcing soil wall to collapse.

The present invention was created in order to solve the problems described in the prior art as described above, by forming a plurality of drainage paths for discharging the rainwater permeated into the backfilling soil of the reinforcement soil wall on the bottom of the body portion of the block to the front of the body portion; Rainwater that penetrates the backfill soil of the reinforced soil retaining wall during rainy weather is drained to the front of each block constructed up and down, so that rainwater does not accumulate in the backfill soil or flows in one place to prevent the loss of backfill soil. The above-described grid reinforcement is installed to bind the backfilling soil with the blocks which are constructed up and down to form a reinforcement retaining wall by forming a plurality of grid binding keyways penetrating up and down in the block. Cement mortar filled with grid binding key grooves A lead reinforcement, the By such a state bonded integrally with the lower block, to the invention with different purposes in so as to enhance the coupling force between the lower block and the grid stiffeners.

The present invention as a means for achieving the above object,

The body portion, the middle portion and the wing portion is formed integrally, each of the body portion and the middle portion reinforcement retaining wall building block is formed with a first filling hole and a second filling hole is filled with soil or gravel through the top and bottom To

The bottom surface of the body is characterized in that it is formed by forming a drainage extending from the first filling hole to the front of the body portion in order to be able to discharge the rainwater penetrating into the backfilling soil after the reinforcement retaining wall construction .

In addition, the middle portion of the block binding mortar pour hole for binding the upper and lower constituting blocks using cement mortar to improve the binding force of the grid reinforcement at the same time, so as to communicate with the grid binding groove of the bottom of the block, It is characterized by being formed in a state penetrating downward.

In addition, the block binding mortar pour hole is characterized in that the cement mortar is poured into the grid binding groove to be widely spread in the grid binding groove to increase the binding force with the grid reinforcement is formed in the lower portion wide expansion It is done.

According to the present invention, the rainwater that penetrates into the backfill soil formed from the ground of the reinforcement soil wall is discharged to the front of each block through a plurality of drainage paths formed on the bottom of each block in which the rainwater penetrates into the backfill soil. As it is not concentrated in one place, water pressure is not generated in the reinforcement soil, and the soil is not lost. Therefore, the resistance of the reinforcement soil wall is improved. The grid reinforcing material to be bonded to the block is integrated with the block by cement mortar placed in the block binding mortar casting hole formed in the block, which is formed up and down, to prevent the loss of backfilling soil and to prevent the occurrence of uneven settlement. To provide the effect.

Detailed embodiments of the reinforcing soil retaining wall building block according to the present invention will be described in detail with reference to the accompanying drawings.

1 is a bottom perspective view of a reinforced earth retaining wall block of the present invention, Figure 2 is a front view showing the construction of the reinforced earth retaining wall block of the present invention, Figure 3 is a cross-sectional view showing the construction of the reinforced earth retaining wall block of the present invention. .

Reference numeral 1 denotes a block for constructing a reinforcement soil wall, and the block 1 is a body portion 2 having a wide cross-sectional area, and an intermediate portion in which the cross-sectional area gradually decreases toward the rear side while being integrally formed with the body portion. It consists of the part 3 and the wing part 4 formed integrally with the said trunk | drum and an intermediate part, and formed in cross section smaller than the said intermediate part 3 above.

The block (1) is the first filling hole to the upper and lower through the body (2) in order to ensure that the blocks (1) built up, down when connected to each other by the soil and gravel at the time of constructing the reinforced soil retaining wall ( 21) is formed, and on the left and right sides of the bottom of the trunk portion 2, the first filling holes on both sides formed in each of the two blocks constructed so that the blocks 1 formed on the upper side are adjacent to each other on the lower side thereof. Anchor protrusions 22 inserted into and engaged with the 21 are formed to protrude.

The anchor protrusion 22 is formed to be cut by a predetermined thickness bar, which is a block to be built on the upper side when constructed in a structure to retreat the block (1) to be built up and down when constructing the reinforcement soil wall This is to make the construction possible while stepping backwards).

The block 1 has a second filling hole 31 penetrating up and down in the middle portion 3, the second filling hole 31 is the first filling hole of the body portion (2) It is formed smaller than 21).

The bottom of the block (1) is formed concave at the boundary between the body portion 2 and the middle portion (3) in order to increase the binding force of the grid reinforcement (4) interposed between the upper, lower blocks (1) The grid binding groove 32 is provided.

In addition, a protrusion 41 for pressing the grid reinforcement 4 is formed at the center of the bottom of the wing 4 of the block 1, and anchor binding grooves 42 for fixing anchors made of steel wires on both sides thereof. Is formed.

The present invention is characterized in that the body portion (1) for discharging the rainwater permeating into the backfilling soil, which has been built up when the reinforcement soil wall is constructed with the block (1), to the front of the blocks (1) constructed to expose the surface of the reinforcement soil wall ( A plurality of drainage passages 5 formed at the bottom of 2) and the upper and lower blocks when cementing the block 1 can be bound together with cement mortar, and at the same time, the upper and lower blocks. In order to be able to bind the grid reinforcement (4) installed in the state sandwiched between (1) with cement mortar, the boundary between the body portion (2) and the middle portion (3) of the block (1) is raised, The plurality of block binding mortar casting holes 6 which penetrate below are formed.

The plurality of drainage passages 5 formed on the bottom of the trunk portion 2 are formed from the first filling hole 21 formed in the trunk portion 2 to the front surface 23 of the trunk portion 2. The bottom of the plurality of block binding mortar punching holes 6 formed so as to penetrate up and down at the boundary between the trunk portion 2 and the middle portion 3 is a cement binding mortar which is placed inside the grid binding groove 32. Widely expanded expansion portion 61 is formed to be widely spread in the.

The operation according to the construction of the reinforced soil retaining wall with the present invention configured as described above will be described.

Reinforced soil retaining wall is to be built on the mountain slope or incision, and the block (1) to be built up and down is to be built with the upper and lower blocks (1) are shifted from each other, as shown in Figure 2, each block Drainage (5) formed in the bottom of the body portion (2) of the (1) is to be exposed to the bottom of the front (23), the reinforcement earth retaining wall constructed in this way soaked into the backfill soil during rainy weather, built up and down the block ( Rainwater flowing between 1) is discharged to the front of each block (1) through the drainage channel (5) formed on the bottom of the body tom portion (2).

Therefore, the rainwater that has soaked into the backfill soil of the reinforcement soil wall during rainy weather is not accumulated in any one place and does not flow intensively to any one place, so that no water pressure is generated to push the blocks (1) built in the backfill soil of the reinforcement soil wall. .

When the blocks 1 are constructed up and down, the backfilled soil formed in the rear of the block 1 constructed at a predetermined height is horizontally compacted, and then a grid reinforcement 4 is installed. 4) the one end is installed to the position covering the first filling hole 21 formed in the lower block 1, the other end is out of the wing portion 4 of the block 1 according to the design of the backfilling soil It is installed up to a deep position (see Fig. 3), and then the upper block is laminated on the upper surface of the lower block 1 on which one end of the grid reinforcement 4 is installed, in which the lower block is retracted to build the upper block. The block binding mortar pour hole 6 formed in each of the upper and lower blocks is in communication with each other in a slightly displaced state even when the back of the block is pushed backward, that is, when the back is built up. On the upper surface of) When the block coupling mortar pouring hole 6 for the cement mortar (7) to pour cement mortar (7) is to be filled with the binding mortar pouring hole 6 for blocks formed on the lower block. However, since a predetermined amount of aggregate 8 such as gravel is filled in the block binding mortar pouring hole 6 of the lower block 1, the block binding mortar casting hole 6 of the upper block 1 is filled. Cement mortar is to be filled up to the depth that the aggregate (8) is filled. And the mortar mortar ball 6 for the block binding of the upper block (1) is filled with cement mortar only to the depth (see Fig. 3) to fill the aggregate (8) and fill the aggregate (8) as mentioned above Repeat the operation.

In addition, the cement mortar (7), which is poured into the mortar placing hole (6) for block binding of the upper block (1), is connected to the grid binding groove (6) by an expansion pipe (61) formed at the lower side of the mortar placing hole (6). The grid reinforcement 4 interposed between the upper and lower blocks 1 by the diffusion in the 32) is in a state where the contact area with the cement mortar 7 diffused into the grid binding grooves 32 is widened. The cement mortar (7) cast in a widely diffused state in the groove (32) not only increases the binding force between the upper and lower blocks (1) when hardened, but also the binding force between the upper and lower blocks (1) and the grid reinforcement (4). It will be greatly increased.

1 is a bottom perspective view of the reinforced earth retaining wall block of the present invention.

Figure 2 is a front view showing the construction of the reinforced earth retaining wall block of the present invention.

3 is a cross-sectional view showing the construction of the reinforced earth retaining wall block of the present invention.

※ Explanation of code for main part of drawing

1: Block 2: body part

21: first hole 22: anchor projection

23: front 3: middle part

31: first hole 32: grid binding groove

4: wing portion 41: protrusion

42: anchor binding groove 5: the drain

6: block binding mortar casting 61: expansion pipe

7: cement mortar 8: aggregate

Claims (3)

The body portion, the middle portion and the wing portion is formed integrally, each of the body portion and the middle portion reinforcement retaining wall building block is formed with a first filling hole and a second filling hole is filled with soil or gravel through the top and bottom To The drainage passage extending from the first filling hole to the front of the body portion is formed at the bottom of the body to discharge rainwater that penetrates into the backfilling soil after the reinforcement retaining wall is constructed at the bottom of the body portion. Block binding mortar pour ball is formed to penetrate up and down to communicate with the grid binding groove at the bottom of the block to bind the blocks built up and down using mortar and to improve the binding strength of the grid reinforcement. Reinforced soil retaining wall building block, characterized in that the block binding mortar casting hole and the grid binding groove is filled with cement mortar. delete The method of claim 1, The block binding mortar casting hole is characterized in that the widened expansion portion is formed in the lower portion so that the cement mortar is poured into the grid binding groove wide to increase the binding force with the grid reinforcement Block for building a river retaining wall.

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