KR200263961Y1 - Sectional block for retaining wall building - Google Patents

Abstract

The present invention relates to a prefabricated block used when building a retaining wall, the purpose of which is a unit formed with a protrusion on one side, and the recess is formed on the other side opposite to the up and down and transverse direction to improve the stability of the retaining wall It can be installed regardless of thickness or length of retaining wall when constructing retaining wall, and because it is hollow and lightweight inside, it can be easily installed by manpower, and it can be used for various purposes such as roadside slope collapse prevention and soundproof wall. In providing a building block for construction.

The present invention is a retaining wall building block, a protrusion formed on the first side, a recess formed on the second side opposite to the reinforcement, the reinforcing hole formed to penetrate the upper and lower surfaces, and a plurality of protruding upward in the upper surface Consists of a support protrusion of the, and a plurality of insertion projections formed to extend downward from the inner surface of the reinforcement insertion hole, forming a water injection chamber filled with water inside the block, by connecting the water injection chamber and the outside The technical block of the prefabricated block for retaining wall construction, which is formed by forming an inlet for injecting water on the front surface, is provided.

Description

Prefabricated block for retaining wall construction

The present invention relates to a prefabricated block for retaining wall construction, and more particularly, protrusions and recesses are formed on both sides, and reinforcing bar holes penetrating the upper and lower surfaces are formed, and a water injection chamber is formed to fill water therein. The present invention relates to a prefabricated block for retaining wall construction, wherein a protrusion is inserted into a concave portion of a block, and the blocks are stacked and arranged so that the retaining wall main reinforcement is reinforced inside the reinforcing hole, and the water is filled in the block to be constructed.

In general, the retaining wall refers to a wall structure that prevents soil from collapsing (ground collapse) when the stable slope of the ground surface is steeper than that, and when the soil is piled up, the mountains are shaved, the shore is It is necessary to fill the wall, and it is a block type retaining wall that accumulates concrete blocks to form an axial wall, and prevents the collapse of the ground by the weight of the concrete itself. There are special reinforced concrete retaining walls that are used when it is necessary to favor the use of paper. In addition, there are inverted T-type, L-shaped retaining walls, subwall type (L-shaped), and simple retaining walls using steel plates or fences.

The block retaining wall is a unit made of a unit block capable of filling the appropriate size in the factory or assembled in the field, and the unit blocks are continuously constructed from the bottom to the top to form a retaining wall, ready-made concrete Strict quality control can be done by using the product, and it is widely used because it is not affected by the time of construction such as quick construction, simplicity of the construction procedure, and seasonal effects, but the block retaining wall has a considerable weight due to the large size of the standard product. In case that there are many kinds of standard products that need to be carried and mounted, the construction cost is excessive, and the unit structure is combined only up and down of the unit blocks, and it has an assembly structure that cannot be bound in the transverse direction. There is a problem that the lack of unity.

The present invention is devised to solve the conventional problems as described above, the purpose of which is a unit formed on both sides of the projection and the concave portion respectively bound in the vertical direction and transverse direction can improve the stability of the retaining wall, when building the retaining wall It can be installed regardless of the thickness or length of retaining wall, and because it is hollow and lightweight inside, it can be easily installed by manpower, and also provides prefabricated blocks for retaining wall construction, which can be used for various purposes such as roadside slope collapse prevention and soundproof wall. Is in.

The present invention for achieving the above object is a protrusion is formed on one side, the concave indentation is formed on the other side opposite to it is possible to bind in the transverse direction, it is configured to be constructed only by the manpower is hollow interior .

1 is a perspective view of the present invention structure

2 is a cross-sectional view showing the structure of the present invention

3 is an exemplary view showing an arrangement process using a block according to the present invention.

4 is an exemplary view showing a lamination process using a block according to the present invention.

5 is an exemplary view showing various shapes of a block according to the present invention.

6 is a cross-sectional view showing a construction completion state using the block according to the present invention

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

(R): first side (L): second side

(F): front

(1): block (2): retaining wall freckle

(3) (4): side block (5): upper block

(6): lower block (7): foundation concrete

(11) (11 '): projection 12 (12'): recess

(13) (13 '): rebar insertion hole (14): support protrusion

15: injection hole 16: water injection room

(17): insertion protrusion (20): concrete

30: water 40: filter material

(50): Strong Gravel (60): PC Steel Wire

(70): plastic anchor body (80): earth and sand

100: first finishing block 200: second finishing block

(300): reduction block

The construction of the present invention will be described in connection with the accompanying drawings as follows.

1 is a perspective view showing the structure of the present invention, Figure 2 is a cross-sectional view showing a structure of the present invention, Figure 3 is an illustration showing an arrangement process using a block according to the present invention, Figure 4 is the present invention As an exemplary view showing a lamination process using a block according to the present invention, the present invention includes a protrusion 11 formed on a first side R and a second side L opposite to the retaining wall construction block. The recessed part 12, the reinforcing bar insertion hole 13 formed to penetrate the upper and lower surfaces, a plurality of support protrusions 14 formed to protrude upwardly on the upper surface, and the lower surface from the inner surface of the reinforcing hole 13; Block 1 is composed of a plurality of insertion protrusions 17 formed to extend in the direction, the water injection chamber 16 is filled with water 30 is filled in the inside of the block 1, the water injection chamber 16 ) And the outside to form an injection hole 15 for injecting water 30 to the front (F) upper end.

The protruding portion 11 is inserted into a concave part formed in the side block 4 arranged and installed adjacently in the first side R direction, and conversely, the concave part 12 is adjacent in the second side L direction. The protrusions of the other side block 3 arranged and installed in such a manner are inserted to engage with each other. That is, the shape and size of the protrusion 11 formed on the first side surface (R) is formed in the shape and size to be inserted into the recessed portion 12 formed on the second side (L), as shown in Figure 1 11 is formed of a dovetail, and the inlet 12 is formed of a dovetail groove into which the dovetail is inserted. In this way, the protrusions 11 and the concave portions 12 are formed on both side surfaces of each unit block 1, 3, 4, respectively, and are bound in the transverse direction, thereby improving structural stability of the retaining wall.

When the reinforcing hole 13 is installed, the retaining wall main root 2 installed in the foundation concrete 7 is reinforced to the inside of the block 1, and after the retaining wall main root 2 is reinforced, the reinforcing hole 13 is installed inside the reinforcing hole 13. The concrete 20 is poured to fix the retaining wall main root 2, and the upper block 5 is stacked on the upper end of the lower block 6 so that the fixed retaining wall main root 2 is placed inside. By placing concrete in the reinforcing hole (13 ') of the will be able to firmly bind in the longitudinal direction.

In addition, the insertion protrusion 17 formed at the lower end of the reinforcing hole 13 is partially inserted into the reinforcing hole 13 of the lower end block 6 when the upper end block 5 is stacked, so that the upper end block 5 The stacking position will be determined.

The support protrusion 14 is formed to contact and support the lower surface of the upper block 5 to generate a gap between the upper block 5 and the lower block 6, the gap is generated PC wire to be described later A connection space between the 60 and the retaining wall main root 2 is formed, and a drain hole for draining the outflow water from the retaining wall rear surface soil 80 is formed.

The water injection chamber 16 is formed to reduce the weight of the block (1) so that it can be installed only by manpower without additional equipment for carrying the block (1) during construction, and the injection hole 15 provided in the upper portion (F) After the completion of the installation of the block 1 is filled with water 30 in the water injection chamber 16 through the inlet 15 to increase the weight of the block (1).

Figure 5 shows an exemplary view showing a variety of shapes of the block 1 according to the present invention, the side finishing block used for the left and right ends of the retaining wall is only one projection (11 ') or recessed portion (12') on one side (The rest of the structure is the same as the above-described block 1, so a detailed description thereof will be omitted.) That is, the first finishing block 100 in the direction of the first side R of the block 1 is the first side A protrusion 11 ′ is formed on the side facing the R, and the second finishing block 200 in the direction of the second side L of the block 1 is formed on the side facing the second side L. FIG. The mouth 12 'was formed. In addition, the reduction block 300 is used when a block having a shorter length than the retaining wall construction is required.

Referring to the construction as described for the retaining wall construction using the present invention as follows.

6 is a cross-sectional view showing the construction completion state using the block according to the present invention, when constructing the retaining wall using the block (1) according to the present invention, the trench operation to the base bottom, and horizontal After the stop work is carried out to maintain, the foundation concrete (7) is placed and the retaining wall main root (2) is installed to prepare the foundation for the block (1) installation. At this time, the retaining wall main root (2) is to be placed in consideration of the spacing of the reinforcing bar insertion hole 13 formed in the block (1).

When the foundation for installing the block 1 is provided in this way, the first stage is arranged so that the retaining wall main root 2 is inserted into the reinforcing bar insertion hole 13 formed in the block 1 after laying the level mortar. At this time, the protrusion 11 of the side block 3, which is installed adjacent to the recess 12 formed in the block 1, is inserted, and the injection hole 15 formed in the block 1 faces the front of the retaining wall to be constructed. At both ends of the retaining wall, the first and second finishing blocks 100 and 200 are used to arrange the retaining walls.

When the one-stage block arrangement is completed, the concrete 20 is poured into the reinforcing bar insertion hole 13 in which the retaining wall main rod 2 is placed, and the filter material 40 is installed up to the upper end of the rear surface of the arranged block 1. After laying the strong gravel (50), the backfilling work is carried out to compact, and the soil digging work in the form of anchors.

Thereafter, one side of the PC steel wire 60 is hung on the retaining wall main root 2, and the plastic anchor body 70 installed on the other side is positioned in the space formed by the digging operation, and then mortar mixed with the fastener is placed in the plastic anchor body. Pour at 70.

When the installation of the first stage block (hereinafter referred to as the lower end block 6) is completed, as shown in FIG. 4, the second stage block (the lower end block 6 so as to contact the bottom surface with the support protrusion 14 formed on the upper surface) Hereinafter, the upper end block 5 is stacked and arranged, and the retaining wall main roots 2 protruding from the lower end block 6 are inserted into the reinforcing hole 13 ′ formed in the upper end block 5 so as to be placed. The insertion protrusion 17 formed at the lower end of the reinforcing hole 13 ′ is inserted into the reinforcing hole 13 of the lower block 6.

That is, by inserting the insertion protrusion 17 into the reinforcing bar insertion hole 13 to stack the upper end block 5, it is possible to easily determine the stacking position of the upper end block (5).

Thereafter, the concrete 20 is poured into the reinforcing hole 13 ′ of the upper block 5, the filter material 40 is installed to the upper end of the rear surface of the upper block 5, the steel gravel 50 is laid and backfilled. And after the compaction work is carried out in the form of an anchor body, and hangs one side of the PC steel wire 60 to the retaining wall main root (2) protruding to the upper end of the upper block (5) and the plastic anchor body (70) installed on the other side After placing the anchor body in the space formed by the excavation work, the mortar mixed with the fastener is poured into the plastic anchor body (70).

When the retaining wall is constructed at a predetermined height by repeatedly performing the above operation, the water 30 is injected into the water injection chamber 16 through the injection hole 15 formed in the front side F of the block 1 and then separately. By blocking the inlet 15 with a lid of the retaining wall construction using the present invention is to be completed. At this time, the amount of water 30 is to be filled only about 90% of the volume of the water injection chamber 16 in preparation for the freezing in winter.

In addition, when the block 1 according to the present invention is composed of a synthetic resin, a lighter block 1 can be obtained and can be formed in various colors.

The present invention is not limited to the above-described specific preferred embodiments, and any person having ordinary skill in the art to which the present invention pertains may make various modifications without departing from the gist of the present invention claimed in the claims. Of course, such changes will fall within the scope of the claims.

As described above, the present invention consists of protrusions and recesses formed on both sides so as to bind with blocks arranged and installed adjacent to each other, and water injection chambers are formed therein for the purpose of weight reduction. It can be installed by manpower without additional equipment, and the retaining wall main bar is reinforced inside the reinforcing rod, which is bound in the longitudinal direction, and it is also bound in the transverse direction by protrusions and recesses formed on both sides, thereby improving structural stability of the retaining wall. It works.

Claims (2)

In the retaining wall building block, A protrusion 11 formed on the first side surface R, a concave portion 12 formed on the second side surface L opposite thereto, Reinforcing bar insertion hole 13 formed to penetrate the upper and lower surfaces, a plurality of support protrusions 14 formed to protrude upward on the upper surface, and a plurality formed to extend downward from the inner surface of the reinforcing hole 13 The block 1 is composed of the insertion protrusion 17 of, Water injection chamber 16 filled with water 30 is formed in the inside of the block 1, and an injection hole 15 for injecting water by connecting the water injection chamber 16 to the outside is formed on the front surface F. FIG. Prefabricated block for building retaining wall, characterized in that configured to. The method of claim 1, The protruding portion 11 is formed of a dovetail, and the recessed portion 12 is a prefabricated block for building a retaining wall, characterized in that formed as a dovetail groove.