KR100665022B1 - The breast wall-block and connecting instrument - Google Patents

Abstract

A reinforced earth retaining wall block is provided to make construction work easy and to increase the durability of a retaining wall by coupling a stiffener and a block tightly using a connector and to minimize the damage of a retaining wall by ground subsidence by making a connector sink together with a stiffener and preventing a connector from cutting or stripping off. A reinforced earth retaining wall block comprises: a block(1) having a primary through-hole(11) formed on the front and a secondary through-hole(12) formed on the rear to penetrate upward and downward, an insertion projection(13) projected to the base and an insertion groove(14) formed on the top to put the insertion projection inward, and a T-shaped connector fixing groove(15) formed to the center of the rear top and cut open out to the appointed depth to make the open-cut rear part extended toward both sides; a stiffener; and a connector(3) connecting the block and the stiffener and having an T-shaped insertion part(31) formed to be inserted to the connector fixing groove and several hanging projections(32) formed at regular intervals to suspend the stiffener.

Description

Reinforced Earth Retaining Wall Block and Connecting Instrument {The breast wall-block and connecting instrument}

1 is a perspective view showing according to an embodiment of the present invention

Figure 2 is a rear perspective view according to an embodiment of the present invention

Figure 3 is a conceptual diagram comparing the change of the reinforcement of the prior art and the present invention according to the ground subsidence

Figure 4 is an exploded perspective view showing the connection of the connector and the reinforcement according to another embodiment of the present invention

Figure 5 is an exploded perspective view showing the connection of the connector and the reinforcement according to another embodiment of the present invention

<Explanation of symbols for main parts of the drawings>

1: block

     11: first through hole 12: second through hole

     13: insertion protrusion 14: insertion groove

     15: connector mounting groove 16: friction clip

2: reinforcement

     21: one-way geogrid 22: two-way geogrid

     23: sewing

3 connector

     31: inserting portion 32: locking projection

     33: engaging portion 34: insertion hole

     35: jamming

The present invention relates to a reinforcing soil retaining wall block and connector, in more detail, to install the reinforcement in a simple operation so that it is not easily separated by external force and the reinforcement soil retaining wall so that the tensile force does not act on the connector according to the settlement of the ground and reinforcement And a connector.

Reinforced soil retaining wall is mainly used to build up soil or to fill the coast, and is widely used in the construction of apartment complexes and the safety of slopes, bridge wing wing walls and other water works.

In the past, most retaining walls were made of concrete or formwork and filled with space between them, but these structures are vulnerable to cracking from the inside because they are installed close to the surface of the soil to be reinforced. There were problems such as height limitations, and the stability of retaining walls due to the collapse of backfilled soil during sudden accidents such as earthquakes, heavy rains and blasts was weak.

On the other hand, in the case of the steel structure is effective in shear resistance from the soil, but there were problems that are easily corroded.

In recent years, construction of reinforced earth retaining walls using geosynthetics reinforcement materials (especially geogrid reinforcement materials) has increased, enabling excellent economic feasibility, free shape of the front wall, shortening construction time, and strong earthquake resistant structures.

Its structure is formed by stacking the retaining wall in the form of blocks, but reinforcement is sequentially stacked on the reinforcement soil at a predetermined depth unit, and the end of the reinforcement has a structure to be connected to the block.

Since the block-type reinforced earth retaining wall is advantageous in securing the land in the construction of roads, railways and complexes, the use of the reinforced concrete retaining wall is being replaced by the concrete retaining wall, and a plurality of blocks are assembled and stacked together with the geotextile reinforcement to build the retaining wall.

At this time, if the rear reinforcement soil layer is settled, the connection part between the block and the reinforcement member is subjected to strong tensile force, which may damage the connection part. If the connection part is firmly formed to prevent this, this problem can be prevented. The difficulty of connecting the reinforcement with the reinforcement occurs as a barrier.

The present invention was developed to solve the above problems, the object is to develop a reinforced earth retaining wall blocks and connectors made easy and solid bonding of the reinforcement and the block.

In addition, the reinforcement earth retaining wall blocks and connectors to allow the connector to sink together when the reinforcement is settled according to the settlement of the ground.

In addition, the present invention is to develop a retaining wall retaining wall block and a connector for fixing the reinforcement made of various forms.

In order to achieve the above object, the present invention has a first through-hole formed in the front and bottom and formed through the top and bottom and the second through-hole formed in the rear and penetrating the upper and lower sides and the insertion protrusion of a predetermined shape on the bottom Reinforcing soil retaining wall block and connector consisting of a block and a reinforcing member is formed in the groove is formed so that the insertion projection corresponding to the insertion projection corresponding to the upper surface and connecting the block and the reinforcing member;

The block is formed with a 'T' type connector mounting groove in which a predetermined depth is cut from the upper center to the lower side of the rear surface and adjacent to the lower bottom, and the rear portion is extended to both sides;

It is provided with a 'T' type insertion portion to be inserted in correspondence with the connector mounting groove of the block, the width is extended toward the rear side, and a plurality of engaging projections protruding upwards adjacent to the end is formed at regular intervals to the reinforcement material It relates to a reinforced earth retaining wall block and the connector, characterized in that composed of a connector formed to be hooked.

In addition, the engaging projections formed at the rear of the connector is formed to be adjacent to each of the two ends at each side, the upper end of the engaging projections is characterized in that each of the engaging portions bent a predetermined length in the opposite direction of the adjacent engaging projection.

In addition, the engaging projections formed at the rear of the connector is formed on each side one by one, characterized in that formed in the shape of a cylindrical through-hole inserted in the left and right directions.

In addition, the inlet is opened in the shape of the 'T' type tube is inserted corresponding to the inner wall of the connector mounting groove 15 is characterized in that the friction clip 16 is further configured to insert the connector (3) inside. It is done.

Accordingly, the configuration of the present invention will be described in detail with reference to the accompanying drawings so that those skilled in the art can easily understand and reproduce.

1 is a perspective view according to an embodiment of the present invention, Figure 2 is a rear perspective view according to an embodiment of the present invention, the first through-hole constructed in the upper and lower left and right and penetrates the upper and lower ( 11) and a second through hole 12 formed at a rear side thereof, an insertion protrusion 13 having a predetermined shape protrudes from a bottom surface thereof, and an insertion groove 14 so that the insertion protrusion 13 can be correspondingly inserted into an upper surface thereof. In the reinforcement retaining wall block and the connector consisting of a block (1) is formed, the reinforcement (2) and the connector (3) connecting the block (1) and the reinforcement (2);

The block (1) is formed with a 'T' type connector mounting groove 15 in which a predetermined depth is cut from the upper center to the lower side of the rear surface and adjacent to the lower end, and the rear portion is extended to both sides;

It has a 'T' type insertion portion 31 to be inserted corresponding to the connector mounting groove 11 of the block (1), the width is extended toward the rear of the at least several protruding upwards adjacent to the end It is shown that the engaging projection 32 is formed at a predetermined interval is composed of a connector (3) formed to hang the reinforcement (2).

In addition, the engaging projection 32 connecting the reinforcing material (2) is very easy to fit the end of the reinforcing material (2), but when the force acts downward due to other factors such as settlement of the ground so that the reinforcing material is very strongly connected Connecting the reinforcement is simple and the required durability can be obtained.

In addition, the connector mounting groove 15 has a certain length and in the drawing to extend to the portion adjacent to the lower end so that the connector 3 along with the reinforcing material (2) naturally fall along the settlement of the ground.

In addition, the embodiment has a shape of a 'T' type tube inserted corresponding to the inner wall of the connector mounting groove 15 has an inlet is opened to form a friction clip 16 for inserting the connector 3 in the inner side Presented as.

The embodiment is to prevent the connector (3) does not fall well due to the friction force and the material of the friction clip 16 is preferably made of metal or synthetic resin material.

3 is a conceptual diagram comparing the change of the reinforcement of the prior art and the present invention according to the ground subsidence, in the case of the connector 3 fixed to one side block by the tensile force generated while the reinforcing material 2 is settled together with the ground ( 3) is broken or the connection between the block 1 and the connector 3 or the connection of the connector 3 and the reinforcing material 2 is increased.

Therefore, the configuration of the present invention serves to improve the durability of the retaining wall by preventing the connecting means between the block and the reinforcement as described above.

Figure 4 is an exploded perspective view showing the connection of the connector and the reinforcing material according to another embodiment of the present invention, the locking projections 32 formed on the rear of the connector (3) are formed adjacent to each other at both ends, but the locking projections The upper end of the (32) has shown a configuration in which the engaging portions 33, each of which is bent in a certain length opposite to the direction of the adjacent engaging projections 32 are formed.

This locking portion 33 is invented to prevent the separation of the reinforcing material is not easy.

At this time, the reinforcement shown in the drawing is to receive a force in one direction as the unidirectional geogrid 21.

In addition, an example of another form of the engaging projection 35 is shown, which is intended to have a strong characteristic to the tension.

5 is an exploded perspective view showing the connection between the connector and the reinforcement according to another embodiment of the present invention, the locking projections 32 formed at the rear of the connector (3) are formed on each side one by one, but penetrated in the left and right directions The structure which consists of a cylindrical shape in which the insertion hole 34 is formed was shown.

This configuration is firmly formed by folding the end of the end portion of the shape of the reinforcement to overlap a certain length, and closing the finish to form an insertion hole 34 into which the rod 23 is inserted in the case where the rod 23 is inserted in the space therebetween. It is fixed.

This shape of the reinforcement is shown as an example of a bidirectional geogrid 22 having a grid form.

In the case of the reinforcement as shown in the example of Figure 4 and 5 will be possible to devise a variety of embodiments to be suitable for products having a variety of shapes.

As described above, the present invention facilitates the construction work that is easily and firmly coupled to the reinforcement and the block, and has the effect of increasing the durability of the retaining wall.

In addition, when the reinforcing material is settled according to the settlement of the ground, the connector is settled together to prevent the cutting of the connector or peeling off the connector has the advantage of minimizing the damage of the retaining wall due to ground settlement.

In addition, by providing a connector that can be fixed to the reinforcement made of a variety of forms there is an effect of easily connecting the reinforcement using a connector suitable for each reinforcement.

Claims (4)

It is built up, down, left and right, and has a first through hole 11 formed in the front and bottom and a second through hole 12 formed in the rear, and an insertion protrusion 13 having a predetermined shape protrudes from the bottom. On the upper surface of the block (1) and the reinforcement (2) and the connector (3) connecting the block (1) and the reinforcement (2) is formed so that the insertion projection 13 is inserted correspondingly In the reinforced soil retaining wall block and the connector composed of; The block (1) is formed with a 'T' type connector mounting groove 15 in which a predetermined depth is cut from the upper center to the lower side of the rear surface and adjacent to the lower end, and the rear portion is extended to both sides; It has a 'T' type insertion portion 31 to be inserted corresponding to the connector mounting groove 15 of the block (1), the width is extended toward the rear of the several or more protruding upwards adjacent to the end Reinforcement earth retaining wall block and connector characterized in that the engaging projection 32 is formed with a predetermined interval consisting of a connector (3) formed to hang the reinforcement (2). The method of claim 1, wherein the locking projections 32 formed at the rear of the connector 3 are formed adjacent to each other at both ends, but the upper end of the locking projections 32 in the direction of the adjacent locking projections 32. On the contrary, the reinforced soil retaining wall block and the connector, characterized in that the predetermined length bent engaging portion 33 is formed, respectively, The method of claim 1, wherein the engaging projections 32 formed at the rear of the connector (3) are formed on each side one by one, characterized in that formed in the shape of a cylinder in which the insertion hole 34 penetrated in the left and right directions is formed. Reinforcement retaining wall blocks and connectors. The friction clip (16) according to claim 1, further comprising a friction clip (16) having a shape of a 'T' type tube inserted corresponding to an inner wall of the connector mounting groove (15) to open the inlet (3). Reinforcement earth retaining wall blocks and connectors characterized in that consisting of.

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