KR100626325B1 - concrete block and construction method utilizing the same - Google Patents

Abstract

According to the present invention, at least one drain hole is formed and the first wing portion is gradually thickened from the end to the base side, and extending to form a predetermined angle from the base of the first wing portion at least one drain hole is formed and gradually thinner Disclosed are a two-winged portion, a concrete block having a gripping portion formed on at least one side surface of the first and second wing portions, and a method of constructing a retaining wall using the concrete block.

Concrete block, retaining wall, first and second wing

Description

Concrete block and construction method utilizing the same

1 is a perspective view of a concrete block according to the present invention,

2 is a perspective view showing another embodiment of a concrete block according to the present invention;

3 and 4 are perspective views showing still another embodiment of the concrete block,

Figure 5 is an exploded perspective view showing an embodiment of the coupling means,

Figure 6 is an exploded perspective view showing another embodiment of the coupling means,

7 is a perspective view showing a state in which a retaining wall is installed by a concrete block on an inclined surface;

8 is a perspective view showing another embodiment of the retaining wall constructed by a concrete block,

9 to 11 are perspective views showing other embodiments of the retaining wall constructed by a concrete block.

<Explanation of symbols for the main parts of the drawings>

10; Concrete block

20; coupling means

41; Hook

The present invention relates to a concrete block and a construction method of the concrete block, and more particularly, to a retaining wall, a concrete block for reinforcing waterway formation and cutouts, and a construction method of the block.

In general, the soil is prevented from collapsing from the slopes of concrete retaining walls or shafts in cutouts generated during road construction, all-round construction, and large building construction. These concrete retaining walls were constructed on site through formwork, reinforcement, ready concrete laying, curing, formwork dismantling, and backfilling.

The conventional concrete retaining wall undergoing the above work is complicated in its construction method, the retaining wall due to the limitation of workers' technical capability in the field, transportation of ready-mixed concrete to long distance, narrow working space during backfilling work, and difficulty in forming drainage passage. There was a problem that it takes time and cost to construct a building, and there was a limit to its quality control and construction management. In particular, in the case of installing waterways, farms, farms, etc. for the discharge of water in all directions, when the concrete is used, the problems as described above are raised.

Korean Utility Model Registration No. 20-0227270 discloses an example of a retaining wall assembly. The retaining wall assembly disclosed herein includes a plurality of adjusting blocks having a plurality of blocks joined to each other and disposed transversely at the lowermost end of the retaining wall so as to reinforce the foundation of the retaining wall by the blocks, each of which having a wall portion in front of the retaining wall; It includes a plurality of basic blocks stacked in multiple layers on the adjusting block, each of which has a wall portion whose front face forms part of the outer surface of the retaining wall.

Since the retaining wall assembly is composed of a control block and a basic block, each block must be manufactured separately, and the work is cumbersome because the blocks must be selected and stacked.

Registered Utility Model No. 20-0342799 discloses an integrated concrete structure having horizontal and vertical structures.

In addition, Utility Model No. 20-0336486 discloses a concrete structure for forming a retaining wall. The disclosed concrete structures form concave-convex assemblies of opposite shapes on both sides of the concrete structure in which drainage holes are formed on one side, and when the other concrete structures are installed in close contact with each other, the concave-convex assemblies are combined and assembled into retaining walls. Even after the completion of assembly, even if the external force is applied to the assembly portion is configured so as not to shift each other.

Conventional concrete structure configured as described above has a problem that is unsightly appearance by uneven surface is exposed on the front side is formed on both sides opposite to each other, especially as described above, the coupling between the specific concrete by the uneven When the earth pressure deflected against the structure is applied, there is a problem that the coupling state of the concrete structure is shifted. In addition, by forming irregularities on both sides of the concrete structure, the coupling portion is relatively weak, so that the uneven portion is often damaged during transportation and construction.

In addition, since the concrete structure is formed to have a constant thickness, the end exposed to the ground surface in the state of being buried in the ground is wide, and it is difficult to distribute the earth pressure or hydraulic pressure applied to the block, and the consumption of raw materials for manufacturing the concrete structure is high. .

The present invention is to solve the problems as described above, to provide a concrete block capable of assembling the retaining wall of various types suitable for the construction site conditions to promote structural stability by the back-filled earth and sand load and friction force by building the retaining wall by mutual assembly. Has its purpose.

Another object of the present invention is to minimize the damage during transportation and construction by strengthening the structural strength, to reduce the construction cost for the construction of the retaining wall and shorten the construction period, it is possible to secure the space for plants to grow To provide a retaining wall construction method using a concrete block.

Still another object of the present invention is to provide a concrete block which can be prevented from being shifted by earth pressure which acts non-uniformly on a specific site when mutually coupled.

Concrete block of the present invention for achieving the above object,

At least one drain hole is formed and has a first blade portion gradually thickening from the end to the base side, and a second wing portion extending to form a predetermined angle from the base of the first wing portion and at least one drain hole is formed and gradually thinned It is characterized by.

In the present invention, support protrusions are formed on upper and lower portions of at least one side of the first and second wing portions. It further includes a coupling means for coupling the wing portion adjacent to the wing portion of at least one of the first and second wings. In addition, at least one hook may be formed on at least one side of the first and second wing parts, and a gripped part may be formed on each side of each of the first and second wing parts. The protruding jaws protruding in the longitudinal direction are further provided at inner ends of the first and second wings.

The coupling means includes a support member inserted into a through hole formed by forming a groove at an edge of an end of the concrete block adjacent to the end of the first and second wing parts, and mutual concrete blocks are coupled to each other, and installed at one side of the support member. It has a support bracket for supporting the wings coupled to each other, and a fastening member for screwing coupled to the support member.

Construction method of the concrete block to achieve the above object,

The first step of popping the installation portion of the retaining wall in the longitudinal direction,

A first concrete block array is formed so that the second wings of the concrete blocks are continuously arranged in the lengthwise direction along the retaining wall installation, so that the first wings of the concrete blocks are continuously maintained vertically. The second step,

A third step of forming a cover layer which is chopped to a predetermined height by using rubble and aggregate at a portion adjacent to an upper portion of the second wing;

The second concrete block rows and the cover layer of the third step are alternately disposed as in the second step in a state of being retracted to form a step with the first wings of the first concrete block formed on the cover layer formed by the third step. It characterized in that it comprises a fourth step of forming repeatedly.

In the present invention, the end of the hook rope of at least one side formed on the first and second wing blocks of the second concrete block located at the top is fixed, and the rope is embedded in the cover layer.

Alternatively, the concrete block construction method for achieving the above object,

The first step of popping the installation portion of the retaining wall in the longitudinal direction,

A first concrete block array is formed so that the second wings of the concrete blocks are continuously arranged in the lengthwise direction along the retaining wall installation, so that the first wings of the concrete blocks are continuously maintained vertically. The second step,

A third step of forming a cover layer at a height substantially equal to the height of the first wing part by using rubble and aggregate in a portion adjacent to the upper part of the second wing part;

The second concrete block rows and the third layer of the cover layer as in the second step so as to be perpendicular to the first wing portion in the vertical upper portion of the first wings of the first concrete block formed on the top of the cover layer formed by the third step It characterized in that it comprises a fourth step of alternately repeating forming.

In the present invention, the second wing portion of the second concrete block located on the uppermost portion is formed relatively longer than the second wing portion of the concrete block located on the lower portion, the first, second wing portion of the second concrete block on the top The end of the rope is fixed to at least one hook formed in the step further comprises the step of embedding the rope in the cover layer.

Hereinafter, with reference to the accompanying drawings will be described in detail a preferred embodiment of the concrete block and the construction method using the block according to the present invention.

1 shows an embodiment of a concrete block according to the present invention.

Referring to the drawings, the concrete block 10 according to the present invention is formed with at least one drain hole 11 and the first wing portion 12 is gradually thickened from the end to the base side, and the first wing portion 12 of At least one drain hole 13 is formed to extend at a predetermined angle from the base and has a second blade portion 14 that gradually becomes thinner. The first and second wing parts 12 and 14 are formed to have a front surface and a bottom surface thereof, but are not limited thereto. That is, as shown in Figure 2 it is preferable that the width of the second wing portion 14 gradually decreases from the base to the end side so that the wings of the concrete blocks do not contact each other during the construction of the curved retaining wall.

A plurality of protrusions 15 for supporting the block are formed in a length direction on at least one side of the outer surface or the inner surface of the first and second wing parts 12 and 14 of the concrete block 10 as shown in FIG. 3. do. When the protrusions 15 are formed on the surface side of the first and second wing portions 12 and 14, the protrusions may be formed of continuous protrusion patterns or concrete blocks may be combined to form a predetermined shape. Do. At the ends of the first and second wing parts 12 and 14 of the concrete block 10, protrusion protrusions 16 are formed to relatively increase the thickness of the end side as shown in FIG. 4. The protruding height of the protruding jaw 16 may vary as necessary. In addition, the angle of the first and second wing parts 12 and 14 may be formed to form a right angle, but the present invention is not limited thereto, and the internal angles of the first and second wing parts 12 and 14 may be formed to be an acute angle.

On the other hand, as shown in Figure 5 concrete block 10 is further provided with a coupling means 20 for increasing the coupling force with the adjacent concrete block (10 '). The coupling means 20 has a through hole 21 in close contact with the side of the first and second wing portions 12, 14, 12 ', 14' of the concrete blocks 10, 10 '. Grooves 21a and 21b are formed to be formed, and the through holes 21 are fixed to the support brackets 22 that support mutually corresponding edges of the adjacent concrete blocks 10 and 10 '. The member 23 is inserted, and the support member 23 is screwed with the fastening member 25 in a state where the washer 24 supporting the edges of the concrete blocks 10 and 10 'is inserted. Here, the length of the support bracket 22 is preferably formed to be substantially the same as the height of the first wing portion 12 forming the surface of the retaining wall, if necessary, the upper and lower ends of the support bracket 22 The first wings 12 and 12 ′ may further include a bent portion (not shown) bent upward and downward.

6 shows another embodiment of a coupling means 30 for coupling adjacent concrete blocks to each other.

Referring to the drawings, the coupling means 30 is connected to the first wing portions 12, 12 'or the second wing portions 14, 14' of the concrete blocks 10, 10 'installed adjacently. Coupling holes 31 and 31 'are formed at the edges, respectively, and support members 33 and 34 fixed to the fixing bracket 32 are inserted into the coupling holes 31 and 31', respectively. The members 33 and 34 have a structure in which the fastening members 35 are coupled to each other. In this case, a seating groove 37 may be formed around the first and second coupling holes 31 and 32 to allow the fixing part rack 32 to be seated.

In the concrete block (10) (10 ') as described above, both sides of the first, second wing portion 12, 14 can be inserted into a grip portion 41 is hooked when the block is transported. At least one hook 42 may be formed on an inner surface of the first and second wing parts 12, 14, and 12 ′ and 14 ′.

Referring to the action of the concrete block according to the present invention configured as described above in more detail through the construction method as follows.

First, in order to install on the inclined surface that needs to be cut out or in four directions through the concrete blocks 10 and 10 ', the installation portion of the retaining wall is tufted in the longitudinal direction, that is, the perpendicular direction of the inclination. (Step 1). The first concrete blocks 10 and 10 'are continuously arranged in the longitudinal direction along the retaining wall installation site of the retaining wall installation area, with each of the second wing portions 14 and 14' being horizontal to the ground. Perform the second step of installing the first concrete block array 100 so that the first wing portion 12, 12 'of each of the first concrete blocks 10, 10' is continuous in a vertical state. do. In this state, a third step of forming the cover layer 200 which is chopped to a predetermined height using rubble and aggregate is performed at the cutout region adjacent to the upper portion of the second wing.

The first wing portions 12 and 12 'of the first concrete blocks 10 and 10' are formed on the cover layer 200 formed by the third step so that the first wings 12 and 12 'are continuous in the longitudinal direction. The two concrete block rows 110 and the cover layer of the third step are alternately formed. Here, the second concrete block array 110 installed in a retracted state from the first concrete block array 100 forms a step, but the second wings of the second concrete blocks forming the second concrete block array 110 are formed. The part is preferably installed at a position lower than an end portion of the first wings 12 and 12 'of the first concrete blocks 10 and 10' forming the first concrete block array. The soil is covered between the first concrete block array 100 and the stepped second concrete block array and forms a flower bed in which flowers and trees are planted in this area.

As described above, the concrete block 10 ″ positioned at the top of the concrete block rows 100 and 110 in a stacked state is caught by a rope 300 such as a band on the hook 42 formed on the back thereof. 300 is embedded in the cover layer 200. As described above, the concrete blocks 10, 10 ', 10 "forming the first and second concrete block rows 100, 110 are formed. Since the acting earth pressure acts in the inclined direction on each of the second blades, the earth pressure is dispersed and acts on, thereby preventing the concrete blocks from being separated by the earth pressure.

8 shows another embodiment of the retaining wall construction method using a concrete block according to the present invention.

Referring to the drawings, the retaining wall construction method includes a first step of picking the installation site of the retaining wall in the longitudinal direction, and each second wing 14 of the concrete blocks 10 and 10 'along the retaining wall installation site. The first concrete block array so that the first wings 12 and 12 'of each concrete block 10, 10' are vertically arranged so that the first wings 12 and 12 'of the concrete blocks 10 and 10' are vertically arranged. A second step of forming 410 is performed. Then, the rubble layer 500 is formed to have a height substantially equal to the height of the first wings 12 and 12 ′ using rubble and aggregate at a portion adjacent to the upper portion and the cutout of the second wings. It is preferable that the cover layer 500 is compacted so as not to settle down as time passes. In consideration of being settled, the cover layer 500 is preferably covered with a height higher than the height of the first wings 12 and 12 '. Here, it is preferable to interconnect the adjacent concrete blocks 10 and 10 'by using the coupling means 20 or 30 as shown in FIGS. 5 and 6 before forming the cover layer 500. That is, as shown in FIG. 5, the first wing portions 12 and 12 ′ of the adjacent concrete blocks 10 and 10 ′ are installed in the support bracket 22 in the through holes 21 formed by contacting each other. The support members 23 are inserted, and the support members 23 and the fastening member 25 are fastened in a state where the washers are coupled to each other so that the wings can be mutually supported. As shown in FIG. 6, support members 33 and 34 supported by the fixing bracket 32 are respectively coupled to the coupling holes 31 and 31 ′ formed in the adjacent concrete blocks 10 and 10 ′. By inserting and fastening with the fastening member 36 can be coupled to each other.

As described above, the concrete blocks 10, 10 'of the concrete blocks are laminated to form a retaining wall, and the uppermost concrete block secures a rope such as a band to a hook formed on the rear surface as in the above construction method, and the rope 300 It is to be embedded in the cover layer (500). And it is preferable that the concrete block located at the top has a relatively longer length than the first wing portion.

Meanwhile, the concrete blocks 10 and 10 'according to the present invention are installed to correspond to each other as shown in FIG. 9 to form a road 610 or a farm road 620 or to correspond to each other by filling soil. The concrete can also be formed by concrete pouring the bottom surface. In addition, as shown in FIG. 10, the concrete blocks 10 and 10 ′ may be continuously installed in a direction corresponding to the cutouts, or a plurality of concrete blocks may be continuously installed to form a V-shaped drainage path.

As shown in FIG. 11, the concrete blocks of the paddy field 630 arranged in arranging may be continuously installed to form a boundary. In this case, as shown in FIG. 4, the height of the protrusions 16 formed on the first wing part 12 or the second wing part 14 is made relatively high, thereby widening the width of these ends so that humans can carry them. It is preferable to have.

As described above, the retaining wall construction method using the concrete block and the concrete block according to the present invention can minimize the earth pressure acting in the normal direction of the first wing by the second wing when the retaining wall is installed. It is prevented from collapse by this earth pressure. In addition, it is possible to install a concrete block to make a step on the inclined surface and can form a flower bed in the stepped portion can reduce the damage to the surrounding environment due to the installation of the retaining wall.

In addition, when constructing the retaining wall using the concrete block according to the present invention, the cost is cheaper than installing the retaining wall by placing concrete in the formwork as in the prior art, it is possible to minimize the constraints due to the installation of the retaining wall.

Although the present invention has been described with reference to one embodiment shown in the drawings, this is merely exemplary, and it will be understood by those skilled in the art that various modifications and equivalent embodiments are possible.

Therefore, the true scope of protection of the present invention should be defined only by the appended claims.

Claims (10)

delete delete delete A first wing portion formed with at least one drain hole and gradually thickening from an end portion to a base side, a second wing portion extending at a predetermined angle from the base portion of the first wing portion and having at least one drain hole formed and gradually thinning; A gripping portion formed on both sides of the first wing portion or the second wing portion; Coupling means for coupling the wing portion adjacent to the wing portion of the at least one of the first and second wings is formed with a groove at the edge of the end of the concrete block adjacent to the end of the first and second wing portion interconnected concrete blocks The concrete block, characterized in that the support member is inserted into the through-hole formed by the support member is installed on one side of the support member to support the wings coupled to each other, and a fastening member screwed to the support member. delete delete delete delete delete delete

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