KR101021112B1 - Constructing wall block - Google Patents

Abstract

PURPOSE: A retaining-wall block is intended to be placed integrally with construction surface through concrete and to discharge the water from soil to a drain hole through a filter unit. CONSTITUTION: A retaining-wall block(100) comprises a body(110), an opening(120), and a filter unit(130). The body comprises a horizontal member(114) and a vertical member(112). The horizontal member is arranged on a concrete layer. The vertical member is extended upwardly from the horizontal member to a given height. The vertical member comprises one or more drain holes. The opening is formed to pass through the upper and lower parts of the horizontal member. The opening is filled with concrete mortar. The filter unit is connected to the drain hole.

Description

Retaining Wall Blocks {CONSTRUCTING WALL BLOCK}

The present invention relates to a retaining wall block, and more particularly, an opening in which concrete is filled is provided so that the retaining wall block and the construction surface are integrally poured through the concrete, while water introduced from the soil can be discharged after being filtered. Retaining wall block

In general, retaining wall blocks are constructed to prevent collapse due to the loss of soil on the banks of banks, banks of banks, slopes of roads, slopes or vertical surfaces of cutouts or embankments.

The retaining wall block is constructed by laying soil on the back and placing concrete on the lower surface.

However, these conventional retaining wall blocks have a lower concrete surface of the retaining wall block, which is simply cast on the foundation concrete layer. There was a problem of weakened stability.

In addition, the retaining wall block is provided with a drain hole to promote the drainage of water generated in the earth and sand, but the drainage hole is blocked due to the inflow of the soil, the drainage of the installation surface is not made smoothly, the risk of collapse by the water pressure of the installation surface There was such a problem that it is difficult to secure structural stability.

In addition, since the soil which forms the installation surface is discharged as it is through the drain hole, the ground becomes weak, and the water quality is contaminated by the discharged soil, and the retaining wall block surface around the drain hole is contaminated.

In order to achieve the above object, the present invention is to provide an retaining wall block that is provided with an opening in which the concrete is filled, the retaining wall block and the construction surface can be integrally cast through the concrete during construction.

In addition, the present invention is to provide a retaining wall block to be discharged to the drain hole after the water introduced from the soil is filtered through the filtering means.

In order to achieve the above object, the present invention provides a retaining wall block which is provided with a reinforcing steel reinforcement inside and made of concrete material, and has a horizontal member having a predetermined area and at least one drain hole formed therethrough. A body made of a vertical member extending from the horizontal member to a predetermined length; An opening through which the concrete mortar is introduced through a predetermined area through the horizontal member so that a part of the reinforcing steel can be exposed to the outside; And filtering means connected to the drain hole so that the water introduced from the soil is filtered and discharged, wherein the filtering means is made of a mesh and has a dome shape having an internal space to allow the water to flow therein. And a cover plate made of at least one fixing part provided in the frame to be fixed to the vertical member, a permeable filler filled in the inner space, and a mesh to cover the inner space. It provides a retaining wall block.

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Preferably, the filtering means is provided with a nonwoven fabric between the permeable filler and the inner surface of the press to prevent the permeable filler from being lost to the outside.

Preferably, the vertical member may be formed with an incision groove connected to the drain hole at the position where the drain hole is formed, respectively, and a filtration member seated in the incision groove.

Preferably, the filtering means is a frame provided in a dome shape having an inner space, a coupling portion protruding on the frame to be inserted into the drain hole so that the frame can be seated in the cutting groove, and in the inner space It may be provided with a permeable filler to be filled and a cover plate made of a mesh to cover the inner space.

Preferably, a nonwoven fabric is provided between the cover plate and the permeable filler to prevent the permeable filler from being lost to the outside.

According to the present invention as described above, when the opening is provided with the concrete mortar is filled, the retaining wall block and the construction surface is poured through the concrete mortar integrally to increase the bonding force and support force to ensure structural stability have.

In addition, the present invention has the effect of preventing the loss of soil and improve the water quality and the contamination of the surface of the retaining wall block by allowing the water introduced from the soil to be filtered through the filtering means to be discharged to the drain hole.

Moreover, unlike the conventional method of adjusting the installation height of the retaining wall block by using the height adjusting mortar when constructing the retaining wall block, there is an effect of improving the construction process density by adjusting the installation height of the retaining wall block using a spacer member. .

1 is a perspective view showing a retaining wall block according to a first embodiment of the present invention.
Figure 2 is an exploded perspective view showing the filtering means provided in FIG.
Figure 3 is a cross-sectional view of the installation of the retaining wall block according to the first embodiment of the present invention.
Figure 4 is a perspective view showing a retaining wall block according to the first embodiment of the present invention.
5 is an exploded perspective view showing the filtering means provided in FIG.
Figure 6 is a cross-sectional view of the installation of the retaining wall block according to the first embodiment of the present invention.

Hereinafter, preferred embodiments of the present invention will be described in more detail with reference to the drawings.

In the following description, the same reference numerals will be used to refer to the same elements even though they are shown in different drawings in order to add reference numerals to help understand the present invention.

The retaining wall blocks 100 and 200 according to the preferred embodiment of the present invention are installed on a construction surface composed of a foundation rubble layer and a foundation concrete layer 20, and have openings 120 and 220 formed through the horizontal members 114 and 214. And by filling the concrete mortar (C) through the opening (120,220) by the concrete mortar (C) and the bottom surface of the foundation concrete layer 20 and the retaining wall blocks (100,200) are concrete-integrated to bond and support strength It is to increase.

As shown in FIGS. 1 to 6, the retaining wall blocks 100 and 200 of the present invention include bodies 110 and 210, openings 120 and 220, and filtering means 130 and 230.

The bodies 110 and 210 are provided in a plate shape having a predetermined area, and the horizontal members 114 and 214 disposed on the concrete layer 20 and the vertical members 112 and 212 extending upwardly from the horizontal members 114 and 214. It consists of

That is, as shown in FIGS. 1 to 6, the bodies 110 and 210 are integrally configured such that the horizontal members 114 and 214 and the vertical members 112 and 212 have an approximately “L” shape, and the foundation concrete layer 20 is formed. As is made of concrete material.

In addition, as shown in FIGS. 1 and 4, a plurality of reinforcing bars 116 and 216 are provided therein to make structural reinforcement.

In this case, the horizontal members 114 and 214 are provided with openings 120 and 220 having a predetermined area to penetrate the upper and lower portions of the horizontal members 114 and 214.

The openings 120 and 220 serve as injection holes for filling the concrete mortar C so as to fix the lower surfaces of the horizontal members 114 and 214 on the foundation concrete layer 20 when the retaining wall blocks 100 and 200 are constructed. Done.

Retaining wall blocks (100,200) according to the present invention after laying the concrete mortar (C) to have a predetermined thickness on the foundation concrete layer 20 and the bottom surface of the retaining wall block is placed on the concrete mortar (C) and the conventional and Unlike, the foundation by placing the retaining wall blocks (100,200) on the top of the foundation concrete layer 20 by injecting and filling concrete mortar (C) through the opening (120,220) by the concrete mortar (C) The lower surfaces of the concrete layer 20 and the retaining wall blocks 100 and 200 are integrally placed with each other.

That is, the concrete mortar (C) which acts as a medium for fixing the lower surfaces of the retaining wall blocks (100,200) to the foundation concrete layer (20) is a lower surface of the retaining wall blocks (100,200)-more specifically the horizontal members (114,214) In addition to being filled in the lower surface of the), the openings (120, 220) are also filled at the same time, through the curing process, the retaining wall blocks (100, 200) and the foundation concrete layer (20) is integrally cast with each other.

In addition, the retaining wall blocks 100 and 200 of the present invention are provided with openings 120 and 220 in the horizontal members 114 and 214 to inject concrete mortar (C), as well as the concrete mortar (C) due to the openings 120 and 220. A ridge C 'extending from the mortar layer to a predetermined height upward by the height of the horizontal members 114 and 214 is formed.

As a result, the horizontal members 114 and 214 are inserted into the openings 120 and 220 in such a manner that the ridges C 'are inserted into each other so that the retaining wall blocks 100 and 200 are loaded in the horizontal direction. The horizontal members 114 and 214 can support the load in the transverse direction by the ridge C ', thereby improving structural stability.

In addition, the openings 120 and 220 and the ridge C 'increase the area of contact between the lower surfaces of the horizontal members 114 and 214 and the concrete mortar C, so that they can be combined more firmly than the conventional retaining wall blocks. Due to the ridge C ', the concrete mortar layer and the retaining wall blocks 100 and 200 fixed thereto are integrated to support more load.

In general, the retaining wall blocks 100 and 200 installed on the construction surface receive a force to move in the horizontal direction by a horizontal force such as earth pressure and water pressure applied from the outside. This force is evaluated as the ratio of the resistive force and the horizontal force, and the resistive force is calculated as the product of the vertical force and the friction coefficient of the bottom.

Therefore, if the horizontal force and the vertical force are the same condition, the greater the coefficient of friction, the greater the safety factor for the force. In the present patent, the foundation concrete layer 20 in which the retaining wall blocks 100 and 200 are installed and the lower surfaces of the retaining wall blocks 100 and 200 are integrated by concrete mortar C to form a structure, thereby increasing stability to the force. Will be.

For reference, when the retaining wall block is installed in a place where the internal friction angle of the ground is 30 degrees, the friction coefficient is 0.36 rubble, 0.57 rubble, but the basic concrete layer is about 0.6, but as shown in the present invention, the lower surface of the retaining wall block is In the case of integrally installing by mortar, since the coefficient of friction is improved to 1.1, the stability against external force can be greatly improved.

Meanwhile, the vertical members 112 and 212 are provided with at least one drain hole 118 and 218 formed in the transverse direction as shown in FIGS. 3 and 6.

When the retaining wall blocks 100 and 200 are constructed, horizontal members 114 and 214 are disposed on the foundation concrete layer 20, and the soil 10 is formed in a space formed by the horizontal members 114 and 214 and the vertical members 112 and 212. The drain holes 118 and 218 serve as a passage through which water flowing in the soil 10 is discharged to the outside.

In this case, as illustrated in FIGS. 1 to 6, the drain holes 118 and 218 are provided so that separate filtering means 130 and 230 are connected to the drain holes 118 and 218.

In the retaining wall blocks 100 and 200 of the present invention, the filtering means 130 and 230 are disposed on the inlet side of the drain holes 118 and 218 into which water is introduced, so that foreign matters and soil contained in the water discharged through the drain holes 118 and 218 are discharged through the drain holes. Through 118 and 218, leakage to the outside can be prevented.

The filtering means 130 may be attached to protrude to one side of the vertical member 112 is connected to the drain hole 118 as shown in Figures 1 to 3, as shown in Figures 4 to 6 As described above, the filtering means 230 may be provided in the form of being inserted into the incision groove 219 formed in the vertical member 212.

That is, as shown in Figures 1 to 3, the filtering means 130 may be simply fixed to one side of the vertical member 112 to be located on the inlet side of the drain hole 118, 4 to As shown in FIG. 6, a cutting groove 219 is formed at a predetermined depth in a position where the drain hole 218 is formed, and the filtering means 230 may be inserted into the cutting groove 219 and then seated and fixed. have.

As shown in FIGS. 2 and 4, the filtering means 130 and 230 may include frames 132 and 232 made of a mesh and provided in a dome shape having an internal space to allow water flowing in the soil 10 to flow therein. And at least one fixing part 134 and 234 provided in the frames 132 and 232 so as to be fixed to the vertical members 112 and 212 and a permeable filler A filled in the inner space and the inner space. Cover plates 136 and 236 made of mesh.

That is, the filtering means (130,230) is made of a frame 132,232 in the form of a mesh to allow the water flowing in the soil 10 to move smoothly to the drain hole (118,218) side.

In addition, the water introduced through the frames 132 and 232 is filled with the permeable filling material A in the inner space and covered with the cover plates 136 and 236 formed in a mesh shape to accommodate the permeable filling material A in the inner space. Pass through the water-permeable material (A) before moving to the drain hole (118, 218).

Thus, the permeable filler A improves the water quality by filtering foreign substances contained in the moisture, and prevents the soil sand 10 which is moved with the water from being filled and moved in the permeable filler A. As well as filtering foreign matter contained in the water discharged to the outside through the (118, 218) serves as a filter to prevent a large amount of soil sand 10 leaks to the outside through the drain holes (118,218).

At this time, the filtering means (130,230) may be provided with nonwoven fabrics (138,238), as shown in Figs.

That is, when the filtering means 130 is attached to protrude on one side of the vertical member 112, as shown in Figure 3 the nonwoven fabric 138 and the inner surface of the frame 132 and the permeable filler (A) It is provided to be disposed between, when the filtering means 230 is provided in the form to be inserted into the incision groove 219, as shown in Figure 6 the nonwoven fabric 238 is a permeable filler (A) and the cover It is provided to be disposed between the plates 236.

As such, the nonwoven fabrics 138 and 238 are provided in the filtering means 130 and 230 to prevent the permeable filler A from being filled in the inner space from leaking to the outside and to move the water to the permeable filler A. After filtering the soil 10 and the foreign matter contained in the water to the first before the soil permeable 10 and the foreign matter by the permeable filler (A) to be filtered secondly it is possible to enhance the effect of improving the water quality.

The filtering means 130 and 230 are fixed to the vertical members 112 and 212 by fastening a fixing member such as an anchor bolt to the fixing parts 134 and 234 provided in the frames 132 and 232 as shown in FIGS. 3 and 6. do.

And, as shown in Figures 4 to 6 when the filtration means 230 is inserted into the incision groove 219 is fixed to the hollow coupling portion to communicate with the internal space in the central region of the frame 232 ( 235 is protruded, the coupling portion 235 may be inserted into the drain hole 218 to increase the coupling force.

Here, the permeable filler (A) may be provided with a porous material such as charcoal, or may be provided with a small particle size of crushed stone or earth and sand.

That is, in general, rubble is used as a backfill material for smooth drainage around the drain hole after installing the retaining wall block. The permeable filler (A) provided in the present invention uses the particle size smaller than the backfill material. It is more permeable than backfill rubble and can use a filtering role.

On the other hand, although the charcoal or crushed earth and sand were mentioned as an example of the use of the water-permeable filling material (A), the water-permeable filling material of the present invention is not limited thereto, and any particle size is smaller than the back-filling material such as rubble having a small particle size. Make sure to use it.

3 and 6 are installation state diagrams of the retaining wall blocks (100, 200) according to the present invention. Retaining wall blocks (100,200) of the present invention after the planarization work so that the construction surface is to be horizontal, to form a foundation rubble layer and foundation concrete layer (20).

Then, the retaining wall blocks 100 and 200 with the filtering means 130 and 230 are placed on the foundation concrete layer 20, and then the retaining wall blocks 100 and 200 are connected to the foundation concrete layer 20 through hollow equipment such as a hydraulic jack. Allow it to be spaced a certain height above.

Subsequently, by using the spacer 30 on the lower surface of the retaining wall block (100,200) to maintain the lower surface of the retaining wall block (100,200) from the base concrete layer 20 to a predetermined height.

At this time, after adjusting the left and right sides of the lower surfaces of the retaining wall blocks 100 and 200 to be arranged at the same level, the installation work is completed by filling and curing the concrete mortar C in the openings 120 and 220.

Retaining wall blocks (100,200) according to the present invention as described above, the foundation concrete layer (20) unlike the existing method that was constructed in the order of the foundation concrete layer 20-height adjustment mortar laying-retaining wall height adjustment-retaining wall block installation After forming the height adjustment is finished through the spacer member 30, and then the retaining wall blocks (100,200) are placed on the construction surface and is then constructed in the order of filling the concrete mortar (C) through the opening (120,220).

That is, the retaining wall block according to the conventional method is to install the foundation concrete and to adjust the height of the mounting wall using the height adjustment mortar. At this time, install the retaining wall block due to the error of the retaining wall block, consolidation of the height adjusting mortar, check the height and the vertical degree, and if the construction height is not correct, repeat the process of adjusting and re-installing the height adjusting mortar again. You will be hit.

However, the retaining wall block according to the present invention does not need to use a conventional height adjusting mortar, which uses a mixture of cement and sand in the field by adjusting the height through the spacer 30, and manufactures the consolidation or retaining wall block of the height adjusting mortar. Due to the error of the product itself that occurs during the height can be easily adjusted at a time without having to reinstall several times.

As a result, the height accuracy is about 3 times, and the verticality is about 2 times, thereby improving the process density for installing the retaining wall block as compared with the conventional construction method.

In addition, according to the present invention, the opening is provided with the concrete mortar is filled in the construction when the retaining wall block and the construction surface is poured through the concrete mortar integrally to increase the bonding force and support force to ensure structural stability and the spacer member By using the height adjustment to increase the process density.

In addition, the present invention has the effect of preventing the loss of soil and improve the water quality and the contamination of the surface of the retaining wall block by allowing the water introduced from the soil is filtered through the filtering means to be discharged to the drain hole.

Although specific embodiments of the present invention have been described in detail with reference to the drawings, the present invention is not limited to such specific structures. Those skilled in the art will be able to easily modify or change the present invention without departing from the technical spirit described in the claims below. However, variations, substitutions and equivalents by these simple design or modifications are all clearly within the scope of the present invention.

100, 200: retaining wall block 110, 210: body
112, 212 vertical members 114, 214 horizontal members
116, 216: rebar 118, 218: drain hole
219: incision groove 120, 220: opening
130, 230: filtering means 132, 232: frame
134, 234: fixed part 235: coupling part
136, 236: cover plate 138, 238: nonwoven fabric
10: earth and sand 20: foundation concrete
C: concrete mortar C ': ridge
30: spacer member A: permeable filler

Claims (6)

In the retaining wall block is provided with a reinforcing steel reinforcement inside and made of concrete material,
A body comprising a horizontal member having a predetermined area and a vertical member extending through the horizontal member from the horizontal member and having at least one drain hole formed therethrough;
An opening through which the concrete mortar is introduced through a predetermined area through the horizontal member so that a part of the reinforcing steel can be exposed to the outside; And
And filtering means connected to the drain hole so that water introduced from the soil is filtered and discharged.
The filtering means is a frame made of a mesh so that the water can be introduced into a dome shape having an inner space, at least one fixing portion provided on the frame to be fixed to the vertical member, and the inner space Retaining wall block is characterized in that it is provided with a permeable filler and a cover plate made of a mesh so as to cover the inner space. delete The method of claim 1,
The filtering means is a retaining wall block, characterized in that the non-woven fabric is provided between the permeable filler and the inner surface of the fr to prevent the permeable filler from being lost to the outside. The method of claim 1,
Retaining wall block is characterized in that the vertical member is formed in each of the incision grooves connected to the drain hole in the position where the drain hole is formed, the filtration member seated in the incision groove. The method of claim 4, wherein
The filtering means includes a frame provided in a dome shape having an inner space, a coupling part inserted into the drain hole and protruding on the frame to be seated in the cutout groove, and a water permeability filled in the inner space. Retaining wall block, characterized in that provided with a cover plate made of a mesh so as to cover the filling material and the inner space. 6. The method of claim 5,
A retaining wall block characterized in that a nonwoven fabric is provided between the cover plate and the permeable filler to prevent the permeable filler from being lost to the outside.

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