KR100647071B1 - The method of constructing bloclk for wall - Google Patents

Abstract

A construction method of a block for a retaining wall is provided to increase bearing force against horizontal earth pressure, and to prevent collapse of the retaining wall by alternately arranging the blocks, vertically connecting a cement rod, fixing a meshed grid between the blocks and draining water. The position of a retaining wall is set, and a foundation or a slope is formed by horizontally compacting the ground. Fitting projections are removed from the foundation, and gravel(13) is charged between the blocks and a gravel charge hole(8) by integrating block corners(2a,2b). Cement charge holes(9a,9b) are filled with cement, and a grid mesh(14) is mounted from an upper part(6) of the block to the slope by laying and compacting gravel and soil in a rear wall(5) and the slope. A second block is constructed by integrating the corners of the blocks with each other and charging gravel, cement and soil. The final block is constructed, and cement mortar is poured and cured. The grid is formed by forming a band with bonding plural thermoplastic resin coated cords including chemical fiber assemblies by heat and horizontally and vertically arranging the bands.

Description

Block construction method for retaining wall {THE METHOD OF CONSTRUCTING BLOCLK FOR WALL}

1 is a front perspective view of a retaining wall block used in the retaining wall block construction method of the present invention;

Figure 2 is a rear perspective view of the retaining wall block used in the retaining wall block construction method of the present invention

Figure 3 is a perspective view showing the construction in progress of the retaining wall block construction method of the present invention

Figure 4 is a side view of a vertically stacked state of the retaining wall block construction method of the present invention

Figure 5 is a perspective view of the inclined retaining wall construction in progress of the retaining wall block construction method of the present invention

Figure 6 is a side view of the laminated stack state of the retaining wall block construction method of the present invention

7 is a perspective view showing a grid net used in the retaining wall block construction method of the present invention

The present invention relates to a method for constructing a retaining wall block. Specifically, the retaining wall block is provided with a means for strongly and horizontally fixing the retaining wall block. By forming an additional part to fill the filling material, it prevents loosening between the upper, lower, left and right blocks, and makes the drainage easy by filling the gravel filling hole formed vertically inside the block body and the gravel at the rear of the block, and making the lower and upper blocks alternate. This invention relates to a method of building retaining wall blocks to prevent the collapse of the retaining wall by inserting a grid between the ends and the ends to bury them horizontally in the inner soil.

In the retaining wall construction method, which is constructed on an inclined surface as described in the prior art retaining wall construction method (Registration No. 10-0527293), a vertical post is installed in which the vertical posts 10 are installed at equal intervals above the ground. And a horizontal member installation step of installing a horizontal member 20 between the installed vertical post 10 and the vertical post 10, and a strip installation step of installing a strip 30 to the rear surface of the horizontal member 20; The front post installation step of connecting the front post 40, the first post groove portion 41 is formed to be inclined toward the front of the vertical post 10 and the resin post 10 is connected by the joint member 50 and the A first screen 60 slides into a first screen groove 41 between a pair of front posts 40 and another pair of front posts 40 'and a second rear surface of the front post 40. Screen 70 is bolted A vegetation part forming step in which a vegetation part is formed between the screen coupling step and the combined first screen 60 and the second screen 70, and between the vertical post 10, the front post 40, and the joint member 50. The retaining wall construction method in which the retaining wall (A) is constructed by sequentially providing the stone filling work on the retaining wall is first constructed. The retaining wall structure is composed of frames, and each vertical post and horizontal members are formed by complex assembly such as fitting and bolting. Therefore, the construction method is complicated, and the structure is not heavy, so it is difficult to endure earth pressure inside, and it is impossible to express eco-friendly molding beauty. Especially, parts of the structure such as strip (steel plate), bolts, etc. are damaged due to oxidation corrosion for a long time. It can be called a retaining wall structure that causes the retaining wall to collapse. In addition, as a related art, Korean Patent Publication No. 10-2005-0110603 It is opening.

This is because the assembly 11 has no weight, and the up, down, left and right coupling between the assemblies is weak and unstable, so that it is difficult to endure the horizontal earth pressure. Formation of the seating groove 14 for rust prevention of the head of the earth anchor 20, inserting the cover 30 in the seating groove 14, fastening of the stopper 40 in the stopper groove 33, cover 30 Mortar injection through the mortar injection groove 32 formed on the side of the assembly and the construction work such as the insertion of the pin into the pinhole in the vertical connection of the assembly and the assembly is extremely demanding and takes a lot of time, such as metal materials such as pins, stoppers, earth anchors, etc. It can be easily corroded and cannot be pushed, especially if there is a stone or solid material buried in the soil when the earth anchor is inserted. Uh it can be easily dislodged from the surface of the soil.

As another conventional technology, the Korean public patent publication (Publication No. 10-2005-00787) introduces an ecological block and a construction method of the ecological block.

Here, insert the reinforcing bar into the hole drilled in the base portion 75 and insert the two through-holes 62 drilled in the vertical direction to the vegetation block 20 in the reinforcement by the construction method of the vegetation block 20 on the top of the rebar It is extremely difficult to insert one by one into the hole 62 and to lower it. Also, when building vertical rows of adjacent blocks, the joining assembly of the adjacent parts is composed of the protrusions 25 and the concave parts 27. If the reinforcement is inserted into the reinforcing portion (75) can only be seen that the layering is impossible, or if the reinforcing reinforcing the reinforcing reinforcing the reinforcing reinforcing the reinforcing reinforcing bars in each of the ecological block 20 and the base portion 75 There is a problem that it is impossible to penetrate the reinforcing bar if the holes are not exactly matched, and even if it is built up because the vegetation block is built up along the slope direction of the base 75, because of this vegetation block 20 This can only be consecrated inclined inner bottom surface. This is because rain rains all flow inward to make the ground vulnerable, causing decay.

There is also a well-known retaining wall structure of reinforcing steel structures. This is structurally robust but is followed by a structural design that can withstand horizontal earth pressure on the foundation. For example, the bottom plate should be large, support means for fixing the bottom and the vertical wall inwards should be formed, and the ground should be dug deep for foundation work, labor costs such as the production of formwork, the insertion of rebar, the curing of mortar, It is very disadvantageous in material cost and construction period.

The present invention is a retaining wall construction method using a cement block, unlike a retaining wall structure or a conventional cement block, which is connected and assembled by a support, a frame, a connecting means, etc. of a conventional metal or plastic material, a gravel filling hole filled with fine stone or gravel is provided. It is a retaining wall block with its own weight, which secures the bearing capacity against the earth pressure acting horizontally by its own weight, and at the same time, it inserts a grid between the stage and the stage and burys it with gravel and landfill to maximize the bearing capacity for the horizontal soil pressure. It can prevent the collapse by preventing the flow and movement of the soil weakened in rainy weather. The front surface of the retaining wall is formed by the protrusions and the concave parts, so that the molding beauty can be expressed by the three-dimensional effect. Provides construction method of retaining wall block that is easy to drain to outside It is.

According to the present invention, the retaining wall block used in the construction of the retaining wall block construction method improves the problems of the conventional retaining wall block construction method. As shown in FIGS. 1 and 2, the front wall is inwardly curved on both sides of the front wall 1 ( 1a and 1b are formed symmetrically and sidewalls 3a and 3b are formed at the left and right side edges 2a and 2b of the front walls 1a and 1b. Part 4a and 4b are formed, and rear side wall 5 is formed on the rear side, which is shorter than the entire front width, and on the upper side 6, gravel filling hole 8 and around the jaw 9a ', 9b' inward. The formed cement filling holes 9a and 9b are formed, and the bottom surface 10 has the jaws 9a 'and 9b inward around the locking projections 7a and 7b and the cement filling holes 9a and 9b from the front and left sides. It can be called a retaining wall block (A) in which ') is formed. And the like.

Explain this step by step

1. Formation of slope and foundation surface

After designing (selecting) the location where the retaining wall is to be built, excavate the soil inside the location and form slopes 12, then level the ground where the retaining wall is to be built, or cast cement mortar or solidified soil Is formed to form the layering base surface 11.

2. Block 1st Step

Remove the block projections 7a and 7b on the base surface 11, and move the block edge 2a adjacent to one block edge 2b so that the block top surface 6 faces upward and the front wall 1 faces forward. One end is built up by matching and matching the adjacent edges 2a and another block edge 2b, and then the gravel 13 is filled in the space and gravel filling hole 7 between the blocks and the block Cement is filled in (9a, 9b), gravel on the rear wall (5), landfill soil (14) on the slope 12 is buried and compacted to the height level of the block, and then a grid of mesh from the top surface to the slope of the block thereon. It is packed with a grid 14.

3. Block two-stage building stage

Lay the first stage block on the upper surface of the block to be precisely laid between the first stage block and the block, but the edge between the adjacent block and the block to build the second stage, and as in the first stage between the block and blocks and gravel filling vacuum Fill the gravel and fill the cement filling hole with cement mortar, fill the back wall (5) with gravel (crushed stone), landfill soil (15) on the slope (12) side to the upper level of the two-stage block, and then Wrapped in a grid of nets 14 from the top of the block to the slope.

4. The other shortening stage (finishing stage)

Repeat with the two-stage layering method and build up to the final stage. Also, gravel filling, cement filling, and soil are reclaimed, then compacted and poured with cement mortar to finish to a certain thickness.

The retaining wall construction method described above is a construction method in which the retaining wall is vertically accumulated, and the retaining wall can also be inclined.

As for the method of constructing the retaining wall in an inclined manner, as in FIG. 5 to FIG. 6, the one-step block construction method is the same as that of the vertical retaining wall one-step layering method, and the two-step block layer has one step of two-stage blocks on the upper surface of the block. The only difference is that the blocks are stacked alternately between blocks, but slightly behind the first block.

In this case, the projection position on the lower surface of the block is inserted behind the gravel filling hole than the vertical retaining wall construction method, and the inclination of the retaining wall is determined by how much the block position at the top is located inward from the block position at the bottom. Limited by front and rear width.

Another difference from the vertical retaining wall is that the cement filling hole coincides with the vertical retaining wall to form a straight rod from the bottom to the upper end by the filling hole. However, in the gradient retaining wall, the cement filling hole is staggered back and forth. In the vertical retaining wall, the gravel filling is also connected in a transverse direction from the bottom to the final end in the vertical retaining wall, but in the inclined retaining wall, the gravel filling is connected from the lower end to the final end. In addition, in the adjacent block of the same stage and the space of the block, the gravel box, the gravel box inside the block, the landfill of the soil on the inclined surface, etc. are performed by the same construction method.

When the above-described construction method is established, the lower surface block projections 7a and 7b of the upper layer are inserted into and bound to both block gravel filling holes 8 in contact with the lower layer, and the block of the upper layer blocks the upper projections 7a and 7b. 7b) is inserted into the gravel filling hole (8) of the block, thereby binding and preventing the mutual relaxation between the blocks at the same time strongly fixed and cement filling hole also the block cement filling holes (9a, 9b) of the upper end in the lower layer Since the rod-shaped body 16 of cement is continuously formed vertically by cement filled vertically coinciding with adjacent two-block filling holes 9b and 9a, this also prevents relaxation between blocks and blocks blocks horizontally and vertically. Strongly fix it.

In addition, the grid 14 binds to the cement rod between the ends of the block and at the same time is pressed by the protrusions and buried in the gravel and the landfill inward so that the retaining wall can withstand a strong horizontal earth pressure and collapse. There is no.

Here, the grid 14 is a cord obtained by extrusion coating a polyester fiber or nylon fiber-made synthetic fiber bundle 14a having excellent tensile strength with a thermoplastic resin such as polystyrene, PVC, etc. It is a gird | lattice which was heat-welded by the band 14c by 14b) adjacent to several strands, and was heat-fused at predetermined intervals horizontally and vertically.

The diameter of the cord is 1mm ~ 1.5mm and the tensile strength is about 50kg f / 1.5mm strands, the band's tensile strength is bigger and the spacing between bands is 3cm ~ 4cm. have.

Such lattice reticular body does not cause corrosion damage due to moisture and air with strips and rods made of conventional metals, and does not easily scour due to water infiltration during rainy weather and prevents weak ground from moving or moving. Excellent anti-collapsing function.

In the retaining wall block construction method according to the present invention, an angle is formed on the front surface of the block and the block is transversely accumulated to exhibit a three-dimensional modeling ratio, and the cement rod is vertically formed by the engagement of the projections by the gravel filling process and the cement filling hole. As it is connected, it is strongly fixed to the upper and lower sides, and to the left and right, and the grid of mesh is fixed between the block end and the end of the retaining wall, and it is connected and buried horizontally to the inclined surface to maximize the bearing capacity for horizontal earth pressure. It can prevent the risk of collapse by preventing the flow or movement of weak ground, and it is a method of constructing a solid and safe retaining wall block that has excellent drainage function by the gravel filling of blocks and the gravel and retaining wall filled gravel layer. Can be.

Claims (2)

The front walls 1a and 1b, which are bent to both inner sides of the front wall 1, are formed symmetrically, and the side walls 3a and 3b to the left and right sides of the outer edges 2a and 2b of the front walls 1a and 1b are symmetrically formed. Converging to the inside of the block is formed symmetrically, and at the same time the cutouts (4a, 4b) are formed, respectively, the rear wall (5) is formed on the rear side and the gravel filling hole (8), jaw (9a) on the upper surface (6) Cement filling holes (9a, 9b) having a ', 9b') is formed and the cement filling hole (7a, 7b, jaw (9a ', 9b') is formed on the bottom and left side (10) In retaining wall construction with retaining wall block (A) with 9a, 9b) A base surface and a slope forming step of setting a position at which the retaining wall is to be built and leveling the ground at this position or forming the slope 12 into the retaining wall layering position; After removing the locking projections 7a and 7b on the base surface 11 and matching the block edges 2b to the adjacent block edges 2a, the ends are horizontally formed and space and gravel filling spaces generated between the blocks and the blocks are formed. (8) to fill the gravel (13), the cement filling holes (9a, 9b) to fill the cement, the rear wall (5) to the gravel (12) to the landfill soil (15) to the level of the block and reclaimed Next, the first stage of block forming step of paving the lattice network 14 from the block top surface 6 to the slope 12; Lay the first stage block to be placed between the first stage block and the block to be laid between the blocks and the adjacent block and the edges (2b) and (2a) coincide in the horizontal layer and in the same way as the first stage layering gravel, A two-stage layering step of paving the lattice in one-stage layering method after filling and embedding cement and landfill; Retaining wall block construction method including finishing step of repeating block two-stage layering method and finishing finishing to final stage and then placing with cement mortar The grid (14) according to claim 1, wherein the grid (14) is horizontally and vertically spaced in a band (14c) by heat-sealing the chemical fiber bundle (14a) by adjoining the thermoplastic resin extrusion coated cord (14b) into several strands. Retaining wall block construction method characterized in that the grid is heat-sealed

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