KR200412264Y1 - A Block for reinforced earth wall - Google Patents

Abstract

The present invention relates to a block for constructing a reinforced soil retaining wall, wherein up and down adjacent blocks are constructed in a one-stage or two-stage stacking manner, and the upper and lower blocks are not connected to each other without using additional materials such as connecting pins. The interlocking action between the engaging projections and the fitting grooves formed on both sides of the upper surface and the lower surface of the block prevents the block from being pushed out, and the upper and lower installation intervals of the reinforcement can be set freely. Or it is coupled in a curved form to enable the construction of the retaining wall having a linear shape according to the terrain, the front surface (10) forming the retaining wall surface and the rear surface 20 corresponding to the front surface, left and right sides (30, 40) In the retaining wall construction block having a) and the upper and lower surfaces (50, 60), the through-hole 70 is formed therein; Coupling protrusions 52 and 54 for interlocking between blocks stacked up and down are formed on both sides of the rear portion of the upper surface 50, and a reinforcement insert groove is formed at the front and the inner side of the coupling protrusions 52 and 54. 80 and 82 are formed, and fitting grooves 62 and 64 are formed at both sides of the rear surface of the lower surface 60 so that the coupling protrusions 52 and 54 are fitted therein.

Retaining wall, block, interlocking, engaging projection, fitting groove, reinforcement insert groove

Description

Reinforced earth retaining wall construction block {A Block for reinforced earth wall}

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

2 is a plan view of a block according to the present invention.

3 is a cross-sectional view taken along the line AA of FIG.

Figure 4 is a perspective view of the front portion showing the construction state and the reinforcement connection state of the block according to the present invention.

5 is a perspective view of the rear part in the same state as in FIG. 4.

6 is a plan view in the same state as in FIG.

Figure 7 is a perspective view of the rear portion in a state in which the retaining wall is constructed by stacking the blocks according to the present invention in a one-stage stacking manner.

8 is a perspective view of the front of the retaining wall constructed in the manner of FIG.

9 is a perspective view of the rear part in a state of constructing the retaining wall by the two-stage stacking method according to the present invention;

FIG. 10 is a front perspective view of the retaining wall constructed in the manner of FIG. 9; FIG.

11 is a perspective view of the rear portion of the retaining wall showing a state in which the construction of the block according to the present invention in a one-stage stacking manner, when the reinforcing material is constructed by simultaneously walking three blocks adjacent to the left and right.

Figure 12 is a side cross-sectional view and enlarged view of the main portion of the retaining wall constructed by the retaining wall of the present invention.

FIG. 13 is a plan view showing an interlocking state between upper and lower blocks during straight retaining wall construction; FIG.

Fig. 14 is a plan view showing an interlocking state between upper and lower blocks at a point where a straight retaining wall is converted into a protruding curved retaining wall.

Fig. 15 is a plan view showing an interlocking state between upper and lower blocks at a point where a straight retaining wall is converted into a full-wall curved retaining wall.

FIG. 16 is a plan view showing an interlocking state between upper and lower blocks during construction of a protruding curved retaining wall; FIG.

FIG. 17 is a plan view showing an interlocking state between upper and lower blocks during construction of an indented curved retaining wall; FIG.

18 is a perspective view showing a corner portion of the retaining wall.

19 is a plan view of a retaining wall building block according to another embodiment of the present invention;

20 is a plan view of a retaining wall building block according to another embodiment of the present invention.

* Explanation of symbols for main parts of the drawings

10: front 20: rear

30,40 Side 50: Top

52,54: engaging projection 60: lower surface

62,64: fitting groove 70: through hole

80,82: Reinforcement insert groove 90: Reinforcement body

92: aggregate 100: concrete foundation

110: strip-shaped fiber reinforcement 110a: rear end of the reinforcing material

B: block

The present invention relates to a reinforcement earth retaining wall construction block, the upper and lower adjacent blocks are constructed in a mutually one-stage or two-stage stacking method, the upper and lower blocks do not use a separate material such as a separate connecting pin between the blocks The interlocking action between the engaging projections and the fitting grooves formed on both sides of the upper surface and the lower surface of the block prevents blockage from occurring and freely sets the upper and lower installation intervals of the reinforcement. Combined in a curved form it is possible to build a retaining wall having a linear according to the terrain.

Generally, retaining walls constructed with blocks are classified into gravity retaining walls without reinforcement and reinforcement earth retaining walls using reinforcement. These retaining walls have different shapes and sizes depending on the construction method. There was a problem that the cost of manufacturing was not small because the molds and facilities were manufactured differently.In the gravity retaining wall, the block itself was too big and heavy, so a lot of manpower and equipment had to be put into the process of transportation and construction. In the retaining wall, various subsidiary materials such as anchors and connecting pins for interlocking between the block and the reinforcement embedded in the reinforcement soil and interlocking of upper and lower blocks are consumed in large quantities, which complicates the construction cost and the construction process. there was.

In order to solve this problem, the present applicant can use both a gravity retaining wall or a reinforced earth retaining wall as a patent application No. 2005-0008243 (filed on Jan. 28, 2005), and retaining wall construction capable of constructing a lightweight and various linear retaining wall. It has been developed a block for the present invention, the present invention relates to a retaining wall construction block further improved the applicant's previous application.

The present invention has been devised to solve the above-mentioned conventional problems, the object of the present invention can be constructed in a single-stage or two-stage stacking method of the adjacent blocks up and down, and separate between the upper and lower blocks It is possible to mutually secure interlocking without using subsidiary materials such as connecting pins and to make blocks between adjacent blocks to the left and right in a straight or curved form to build a retaining wall suitable for the terrain. To provide.

In order to achieve the above object, the present invention has a front surface forming a retaining wall surface and a rear surface corresponding to the front surface, left and right side surfaces, and an upper surface and a lower surface, wherein the retaining wall building block has upper and lower through holes formed therein; Coupling protrusions for interlocking between blocks stacked up and down are formed on both sides of the rear surface of the upper surface, and a reinforcement insertion groove is formed at the front and the inner side of the coupling protrusion, and the coupling protrusions are formed on both sides of the rear surface of the lower surface. It provides a block for building the reinforced earth retaining wall wall is formed so that the fitting groove.

In the present invention, the coupling protrusion is formed in a diagonal direction, and the fitting groove is continuously formed from the lower surface of the block to the left and right sides so that the coupling protrusion and the fitting groove between the upper and lower blocks are used when constructing a curved retaining wall as well as a straight retaining wall. Reinforcement insert grooves formed to be interlocked to the front and inside the rear of the engaging projection is stably inserted in a U-shape in the state that the front end of the band-shaped fiber reinforcement folded in half width in connection with the reinforcement insert grooves of the adjacent block. Make it J-shaped as much as possible.

Hereinafter, preferred embodiments that do not limit the present invention will be described in detail with reference to the accompanying drawings.

1 to 3 show a block according to an embodiment of the present invention, Figures 4 to 6 shows a multi-stage construction state and the anchoring state of the band-shaped fiber reinforcement of the block according to an embodiment of the present invention.

As shown in FIG. 1 to FIG. 6, the retaining wall building block B according to the present invention has a front surface 10 forming a retaining wall surface, a rear surface 20 corresponding to the front surface, and a left and right side surface 30, 40) and upper and lower surfaces 50 and 60, and a through hole 70 is formed inside and below, and is not significantly different from existing retaining wall construction blocks.

However, the characteristic configuration and shape of the block (B) according to the present invention is a coupling protrusion (52, 54) for interlocking between the blocks stacked up and down on both sides of the rear surface 50 of the block (B) Is protruded upward, and the reinforcement insert grooves (80, 82) are formed in the form of a groove or channel toward the lower portion of the front and the rear of the inner side of the engaging projection (52, 54), the block On both sides of the bottom surface 60 of (B), fitting grooves 52 and 54 formed at the upper surface 50 are fitted to the fitting grooves 62 and 64.

In the present invention, the coupling protrusions 52 and 54 formed on the upper surface 50 are formed in a diagonal direction such that the front end thereof faces outward and the rear end faces inward, and the coupling protrusions 52 and 54 are left and right. It has a symmetrical form, and at least the front surfaces of the coupling protrusions 52 and 54 protrude convexly toward the front.

In addition, in the present invention, the lower fitting grooves 62 and 64 into which the coupling protrusions 52 and 54 are fitted are continuously formed toward the left and right side surfaces 30 and 40 on the lower surface 60 of the block, so that they are straight. When constructing the retaining wall as well as the curved retaining wall, the engaging projection and the fitting groove between the upper and lower blocks can be interlocked stably.

In addition, the reinforcement insert groove (80, 82) in the present invention is formed to contact the front of the engaging projection (52, 54) and one side thereof is open to the side of the block (B), the engaging projection (52, 54) The rear end of the strip-shaped fiber reinforcement 110 is fitted to the rear side 20 of the block B in the rear of the inner side.

In more detail, the reinforcing material insertion grooves 80 and 82 formed to the front and the inner side rear of the coupling protrusions 52 and 54 are the reinforcing material insertion grooves 80 and 82 of the adjacent blocks as shown in FIG. 4. The tip of the reinforcing member 100 is formed in a J shape so as to be inserted in a U shape, and the reinforcing member 110 to be fitted therein is inserted in a folded state in half width along the longitudinal direction, and the original back toward the rear of the block. By embedding in the reinforcement body in the state unfolded in the width of the to be able to anchor the front end of the reinforcement directly to the block without using a separate anchor or anchor pin, the reinforcement anchored to the block of the present invention is U-shaped relatively large Since the stress is inserted while forming a radius of curvature, the stress is not concentrated locally, but the stress is dispersed over a large area at the tip of the reinforcement, so By floating half sinking it can effectively prevent the phenomenon of reinforcement that the disconnection occurs.

7 is a rear perspective view of a state in which a retaining wall is constructed by stacking the block according to the present invention in a one-stage stacking manner, and FIG. 8 is a front perspective view of the retaining wall constructed in the manner of FIG. 7. 9 is a perspective view of the rear portion of the retaining wall in a state of constructing the retaining wall using the two-stage stacking method according to the present invention, and FIG. 10 is a front perspective view of the retaining wall constructed by the method of FIG.

The block according to the present invention may be constructed in a single-stage stacking method as shown in FIGS. 7 and 8, as well as in a two-stage stacking method or a three-stage stacking method as shown in FIGS. 9 and 10. Since it is possible to form the retaining wall in front of various patterns, it is possible to select and build the retaining wall surface suitable for the surrounding environment of the retaining wall construction site, and to lift and build two or three blocks at the same time by using lifting equipment. Since it may be possible to shorten the air (engineering), it has the advantage of being able to build a more magnificent retaining wall surface.

In the figure, reference numeral 90 denotes a reinforcement soil embedded in the rear of the block (B), the reinforcement 110 is horizontally installed therein, the reinforcement 110 is the rear end portion 110a as shown in the figure It may be bent in the same form as in the tip portion anchored in the zigzag form, it may be installed continuously, each reinforcement may be installed separately, of course.

In addition, reference numeral 92 is an aggregate embedded between the front end portion of the reinforcement soil 90 and the block (B) serves to prevent the reinforcement soil small particles are discharged when drained to the front surface of the retaining wall.

Reference numeral 100 is a concrete foundation formed at the position where the block B is constructed.

The present invention may not only simultaneously hang the reinforcement insert grooves 80 and 82 formed in the two blocks B adjacent to the left and right as shown in FIGS. 7 and 9 above. As shown in FIG. 11, the reinforcement 110 may be constructed by simultaneously walking three or more blocks B adjacent to the left and the right, so that the backfill length of the site where the retaining wall is constructed is long, or the sewage inside the reinforcement soil. Reinforcement is not buried in the corresponding part, such as when underground buried material is installed, such as pipes, but the front block can be stably supported by connecting the blocks at the left and right with the reinforcement 110 at the same time. The left and right installation intervals of) also have the advantage of being freely designed and constructed.

12 is a side sectional view and an enlarged view of the retaining wall constructed by the retaining wall of the present invention. In the retaining wall constructed using the block according to the present invention, the upper and lower blocks do not use any subsidiary materials such as separate connecting pins. The interlocking action between the engaging protrusions 52 and 54 and the fitting grooves 62 and 64 formed on both rear sides of the upper and lower surfaces 50 and 60 of the block not only does not cause the crushing of the block located at the upper side. In the upper and lower installation intervals of the reinforcing member 110 fitted into the reinforcing member insertion grooves 80 and 82 formed around the engaging projections 52 and 54, freely set at every step of the block or at two or more intervals. Even if the reinforcement is not directly anchored to the block can partially prevent the phenomenon of sliding.

FIG. 13 is a plan view illustrating an interlocking state between upper and lower blocks when a straight retaining wall is constructed, and FIG. 14 is a plan view illustrating an interlocking state between upper and lower blocks at a point where a straight retaining wall transitions to a protruding curved retaining wall. 15 is a plan view showing the interlocking state between the upper and lower blocks at the point where the straight retaining wall is transitioned to the indented curved retaining wall, and FIG. 16 shows the interlocking state between the upper and lower blocks when the projecting curved retaining wall is constructed. 17 is a plan view showing an interlocking state between upper and lower blocks during construction of the indented curved retaining wall.

As shown in FIGS. 13 to 17, in the retaining wall constructed of blocks according to the present invention, coupling protrusions 52 and 54 and fitting grooves 62 and 64 respectively formed on the upper and lower surfaces 50 and 60 of the block, respectively. ) Is not only a straight retaining wall, but also interlocked organically in the area of transition from straight to curved (extruded or indented) and the curved and indented curved retaining wall with a predetermined radius of curvature. It can be seen that any type of retaining wall suitable for the topographical conditions can be firmly constructed.

18 is a perspective view showing a right angle corner of the retaining wall. In the right corner of the retaining wall, the horizontal displacement of the reinforcement soil is not concentrated in one place, but is dispersed in various directions as shown by the arrow, so that the retaining wall (block) is at the corner. Cracks and abnormal deformation of the retaining wall do not occur remarkably, so that the stable state can be maintained even after the completion of the retaining wall construction, and the occurrence of construction defects can be prevented, and a stable right angle corner can be constructed. As the site area can be minimized, it is possible to build a very favorable retaining wall even in the development of residential land in Korea, which has a mountainous topographical characteristic.

19 and 20 show a retaining wall construction block according to another embodiment of the present invention, the block of the present invention is shown in Figures 19 and 20 within the scope of the claims of the present invention to be described below As shown in the embodiment has been shown that it can be produced by modifying the appearance or size in various ways, it is obvious that the simple appearance deformation of the block, including Figs.

As described above, the present invention is constructed with the upper and lower adjacent blocks in the form of one-stage or two-stage stacking, and the upper and lower blocks do not use any subsidiary materials such as separate connecting pins. The interlocking action between the engaging projections and the fitting grooves formed on both sides does not cause block phenomena, and the upper and lower installation intervals of the reinforcement can be set freely, and the blocks adjacent to the left and right sides are connected in a straight or curved form. Therefore, it is possible to construct a retaining wall having a linear shape according to the terrain, and according to the present invention, there is a practical effect of economically constructing a solid block-assembled retaining wall of a type suitable for site terrain.

Claims (3)

It has a front surface 10 forming a retaining wall surface, a rear surface 20 corresponding to the front surface, left and right side surfaces 30 and 40 and an upper and lower surface 50 and 60, and a through hole 70 inside and below. In the retaining wall construction block is formed; Coupling protrusions 52 and 54 for interlocking between blocks stacked up and down are formed on both sides of the rear portion of the upper surface 50, and a reinforcement insert groove is formed at the front and the inner side of the coupling protrusions 52 and 54. Reinforced soil retaining wall building blocks, characterized in that the (80,82) is formed, and the fitting grooves (62, 64) are formed on both sides of the rear side of the bottom surface (60, 54) to fit. The method according to claim 1, The coupling protrusions 52 and 54 are formed in a diagonal direction such that the front end thereof faces outward and the rear end faces inward inward, and the fitting grooves 62 and 64 have left and right sides at the bottom surface 60 of the block. Reinforced soil retaining wall construction block, characterized in that continuous formed with 30,40). The method according to claim 2, The reinforcement insertion grooves 80 and 82 formed at the front and the inner side rear portions of the coupling protrusions 52 and 54 are connected with the reinforcement insertion grooves 80 and 82 of the adjacent block so that the front end portions of the reinforcement members are inserted in a U shape. Reinforced earth retaining wall construction block characterized in that the shape.

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