JP3201484U - Retaining wall root stone block and retaining wall block - Google Patents

Abstract

The present invention provides a retaining wall root block capable of constructing a retaining wall having a predetermined inclination angle while using foundation concrete having a flat upper surface, and a retaining wall block having a non-slip effect. Retaining wall root stone blocks (60a, 60b) positioned at the bottom of the block retaining wall include a front structure portion (34a) having a retaining wall surface (32) and a rear structure provided at a predetermined interval from the front structure portion. Part 34b and a connecting part 34c that connects the front structure part and the back structure part, and the bottom surface is formed with an inclination angle θ of the retaining wall surface of the block retaining wall with respect to the top surface, and the back structure part side in the side view It is short and has a substantially right trapezoidal shape with two corners on the upper surface side being substantially right angles. By building up the retaining wall blocks on the top surface of the retaining wall root block inclined at the angle θ, a block retaining wall having a predetermined inclination angle can be constructed easily and at low cost. Further, the retaining wall block is formed of a non-slip surface having at least one of an upper surface and a lower surface having fine irregularities. [Selection] Figure 1

Description

  The present invention relates to a retaining wall root block located at the lowest stage of a block retaining wall and a retaining wall block having a non-slip effect.

  It is common practice to build retaining walls by building up retaining wall blocks on slopes that have been cut or embanked for purposes such as residential land development, road construction, and revetment. And regarding such a retaining wall block, [Patent Document 1] discloses an invention relating to a stacking block capable of smoothly constructing a curved block retaining wall. In the invention described in [Patent Document 1], the front structure portion and the back structure portion constituting the retaining wall block are formed with one retaining wall block formed by slopes whose side surfaces narrow toward the rear surface side, and the rear surface side. And the other retaining wall block and the other retaining wall block are alternately combined, and the contact state of both side surfaces is curved. A curved block retaining wall can be constructed smoothly by changing the distance accordingly.

Japanese Patent No. 2820629

  However, when the block retaining wall 10 is constructed with a conventional retaining wall block like the invention described in [Patent Document 1], the upper surface corresponds to the inclination angle θ of the block retaining wall 10 as shown in FIG. There is a problem that it is necessary to lay diagonal foundation concrete 5, and the foundation concrete 5 cannot be formed with a simple formwork. Further, since the retaining wall blocks are loaded obliquely, there is a risk that the retaining wall blocks slide down.

  The present invention has been made in view of the above circumstances, and a retaining stone having a non-slip effect and a retaining stone for a retaining wall capable of constructing a retaining wall having a predetermined inclination angle while using a foundation concrete having a flat upper surface. The object is to provide a wall block.

The present invention
(1) A retaining stone root block located at the bottom of the retaining wall 10,
A front structure portion 34a having a retaining wall surface 32, a rear structure portion 34b provided at a predetermined interval from the front structure portion 34a, and a connecting portion 34c that connects the front structure portion 34a and the rear structure portion 34b. , And the bottom surface is formed with an inclination angle θ of the retaining wall surface of the block retaining wall 10 with respect to the upper surface, and the rear structure portion 34b side is short and the upper surface side has a substantially right trapezoidal shape in which the two corners are substantially perpendicular. By providing the retaining wall root stone blocks 60a and 60b, the above-mentioned problems are solved.
(2) A retaining wall root block located at the bottom of the block retaining wall 10,
A front leg 44a having a long length, a back leg 44b having a short length provided with a predetermined distance from the front leg 44a, and a connection connecting the front leg 44a and the back leg 44b. Part 44c,
The above problem is solved by providing a retaining wall root stone block 62 having an upper surface formed with an inclination angle θ of the retaining wall of the block retaining wall 10.
(3) It is a root stone block for a retaining wall that is located at the bottom of the block retaining wall 10 and is substantially rectangular in side view,
A front structure portion 34a having a retaining wall surface 32, a rear structure portion 34b provided at a predetermined interval from the front structure portion 34a, and a connecting portion 34c that connects the front structure portion 34a and the rear structure portion 34b. A reinforcing bar insertion hole 46 provided in the front structure portion 34a, and a reinforcing bar 48 that can be inserted into the reinforcing bar insertion hole 46,
The above problem is solved by providing retaining wall root stone blocks 64a and 64b, wherein the inclination of the upper surface is adjusted by adjusting the protruding amount of the reinforcing bar 48.
(4) Retaining wall root stone block as described in (1) or (3) above, wherein the side surfaces of the front structure portion 34a and the back structure portion 34b are composed of slopes 36a, 36b narrowing toward the back surface side. The above problems are solved by providing 60a and 64a.
(5) Retaining wall root stone block according to (1) or (3) above, characterized in that the side surfaces of the front structure portion 34a and the back structure portion 34b are composed of slopes 38a, 38b spreading toward the back side. The above problems are solved by providing 60b and 64b.
(6) Retaining wall root stone block 60a, 60b, 62, 64a, 64b according to any one of (1) to (5), characterized in that the upper surface is constituted by a non-slip surface having fine irregularities. By providing the above, the above-described problems are solved.
(7) The front structure portion 34a having the retaining wall surface 32, the back structure portion 34b provided at a predetermined interval from the front structure portion 34a, and the connection connecting the front structure portion 34a and the back structure portion 34b. Part 34c,
The first retaining wall block 14a formed of slopes 36a and 36b whose side surfaces of the front structure portion 34a and the back structure portion 34b narrow toward the back side, and the side surfaces of the front structure portion 34a and the back structure portion 34b are In the retaining wall block for constructing the retaining wall by alternately combining the second retaining wall blocks 14b configured by the slopes 38a and 38b extending toward the back side in the lateral direction and stacking upward.
By providing the retaining wall blocks 14a, 14b, wherein at least one of the upper surface and the lower surface is formed of a non-slip surface having fine irregularities, the above-mentioned problems are solved.

  The retaining wall root stone block according to the present invention can construct a block retaining wall having a predetermined inclination angle while using basic concrete having a flat upper surface. Thereby, the foundation concrete for block retaining walls can be constructed by a simple method and at low cost. Moreover, since the retaining wall block according to the present invention has a non-slip surface on at least one of the upper surface and the lower surface, the retaining wall block does not easily collapse even when loaded obliquely.

It is a figure which shows the 1st stone block for retaining walls which concerns on this invention. It is a schematic diagram which shows the combination state of the 1st retaining stone root stone block which concerns on this invention. It is a schematic diagram which shows the combination state of the 1st retaining stone root stone block which concerns on this invention. It is a figure which shows the block for retaining walls which concerns on this invention. It is a figure which shows the block retaining wall using this invention. It is a mimetic diagram of a block retaining wall using the root stone block for the 1st retaining wall concerning the present invention. It is a figure showing the root stone block for the 2nd retaining wall concerning the present invention. It is a schematic diagram of the block retaining wall using the second stone for retaining wall according to the present invention. It is a figure which shows the 3 stone block for retaining walls which concerns on this invention. It is a figure explaining the usage method of the 3rd retaining wall root stone block which concerns on this invention. It is a schematic diagram of the conventional block retaining wall.

  First, an embodiment of first retaining wall root stone blocks 60a and 60b according to the present invention will be described with reference to FIG. Here, FIG. 1 (a), (b), (c) is a front view, a bottom view, and a side view of one retaining wall root stone block 60a of the first retaining wall root stone block according to the present invention. 1D, 1E, and 1F are a front view, a bottom view, and a side view of the other retaining wall root stone block 60b.

  The first retaining wall root stone blocks 60a and 60b according to the present invention include a front structure portion 34a provided with a retaining wall surface 32, a back structure portion 34b provided at a predetermined interval from the front structure portion 34a, It has the connection part 34c which connects these front structure parts 34a and back structure parts 34b. Further, the first retaining wall root stone blocks 60a and 60b have a connecting portion 34c as a columnar shape, a cavity portion 40 is provided between the front structure portion 34a and the rear structure portion 34b, and a cavity portion is formed on the side surface of the connecting portion 34c. 40 has a connection hole 42 connected to 40. One retaining wall root stone block 60a is composed of slopes 36a and 36b whose side surfaces of the front structure portion 34a and the rear structure portion 34b are narrowed toward the rear surface side, and the other retaining wall root stone block 60b is a front structure portion. 34a and the side surface of the back structure part 34b are comprised by the inclined surfaces 38a and 38b which spread toward a back side. The slopes 36a and 36b and the slopes 38a and 38b are not essential components, and may be constituted by simple planes. In this case, it is not necessary to distinguish the retaining wall root stone blocks 60a and 60b.

  In addition, the first retaining wall root stone blocks 60a and 60b according to the present invention are formed such that the front structure portion 34a side is long and the back structure portion 34b side is short, and the bottom surface is inclined at a predetermined angle θ with respect to the top surface. . As a result, as shown in FIGS. 1C and 1F, the main body portion of the first retaining wall root stone blocks 60a and 60b has a short rear structure portion 34b side and substantially two corners on the upper surface side as viewed from the side. It exhibits a right-angled substantially right trapezoidal shape. Note that the inclination angle θ of the bottom surface is substantially the same as the inclination angle of the retaining wall surface of the block retaining wall 10 to be constructed, and is usually about 60 ° to 75 °.

  Further, the first retaining wall root stone blocks 60a and 60b according to the present invention are obtained by alternately combining one retaining wall root stone block 60a and the other retaining wall root stone block 60b in the horizontal direction. Build the bottom row. At this time, as shown in FIGS. 2A and 2B, the overlapping positions of the slopes 36a and 36b of one retaining wall root stone block 60a and the slopes 38a and 38b of the other retaining wall root stone block 60b are adjusted. By doing so, the length of the horizontal direction can be adjusted. Further, as shown in FIG. 3A, the contact angle between the slope 36a of one retaining wall root stone block 60a and the slope 38a of the other retaining wall root stone block 60b is adjusted so that the front surface is concave. By arranging, the lowest stage curved concavely can be constructed. On the contrary, the contact angle between the slopes 36a and 36b of one retaining wall root stone block 60a and the slopes 38a and 38b of the other retaining wall root stone block 60b is such that the front surface is convex as shown in FIG. By adjusting to, it is possible to construct the lowest stage curved in a convex shape.

  Here, the retaining wall block according to the present invention will be described with reference to FIG. The retaining wall blocks 14a and 14b according to the present invention shown in FIG. 4 are the same as the first retaining wall root stone blocks 60a and 60b, the front structure portion 34a having the retaining wall surface 32, and the front structure portion 34a. A back structure part 34b provided with a gap between the front structure part 34a and the back structure part 34b, and a cavity part provided between the front structure part 34a and the back structure part 34b. 40 and a connecting hole 42 provided on the side surface of the connecting portion 34 c and connected to the cavity portion 40. One of the first retaining wall blocks 14a is composed of inclined surfaces 36a and 36b whose side surfaces of the front structure portion 34a and the rear structure portion 34b narrow toward the back surface side, and the other second retaining wall block 14b. Is composed of slopes 38a and 38b in which the side surfaces of the front structure portion 34a and the back structure portion 34b widen toward the back surface side. At least one of the upper and lower surfaces of the retaining wall blocks 14a and 14b, that is, the upper and lower surfaces of the front structure portion 34a, the back structure portion 34b, and the connecting portion 34c is formed of a non-slip surface having fine irregularities. As a result, the retaining wall blocks 14a and 14b according to the present invention have increased frictional resistance during loading, and the block retaining wall 10 can be stably constructed without slipping even when loaded obliquely. The anti-slip surface is preferably formed by using, for example, a matte-patterned steel plate having fine irregularities on the mold forming the upper surface or the lower surface of the retaining wall blocks 14a, 14b. Of course, the retaining wall blocks 14a and 14b are formed by using steel plates or the like having fine irregularities on both the formwork forming the upper surface and the lower surface, and both the upper and lower surfaces of the retaining wall blocks 14a and 14b are prevented from slipping. You may comprise by a plane.

  Then, as shown in FIG. 5, the block retaining wall 10 is formed by accumulating a predetermined number of steps while alternately retaining the retaining wall blocks 14 a and 14 b on the retaining wall root stone blocks 60 a and 60 b. To construct. In FIG. 5, the retaining wall root stone block 60b and the retaining wall block 14b are indicated by hatching. At this time, by changing the contact state between the slopes 36a and 36b of the retaining wall block 14a and the slopes 38a and 38b of the retaining wall block 14b according to the block retaining wall 10 to construct the retaining wall root stone block 60a, Similar to 60b, it is possible to adjust the length in the lateral direction and form a curved surface.

  The first retaining wall root stone blocks 60a and 60b according to the present invention are formed by inclining the inclination angle θ of the block retaining wall 10 constructed by the bottom surface as described above. When arranged on the foundation concrete 5 ′ having a flat upper surface, the upper surface is inclined at an angle θ as shown in FIG. Then, by retaining the retaining wall blocks 14a and 14b on the retaining wall root stone blocks 60a and 60b inclined at the angle θ, the retaining wall blocks 14a and 14b can be loaded in a state inclined at a predetermined angle θ. it can. In addition, all the hollow portions 40 of the loaded retaining wall blocks 14a and 14b communicate with all the hollow portions 40 of the retaining wall root stone blocks 60a and 60b, and concrete is poured into the hollow portion 40 to be solidified. The retaining wall root stone blocks 60a, 60b, the retaining wall blocks 14a, 14b, and the foundation concrete 5 'can be integrated in a loaded state. And the block retaining wall 10 of inclination | tilt angle (theta) is constructed | assembled by filling the back material 7 in the back surface side of the stacked retaining wall block, and laying the top end concrete 9. FIG. The same applies to the second retaining wall root stone block 62 and the third retaining wall root stone blocks 64a and 64b described later.

  Next, the structure of the second retaining wall root stone block 62 according to the present invention will be described with reference to FIG. 7 (a) and 7 (e) are rear views of the second retaining wall root stone block 62 according to the present invention, FIGS. 7 (b) and 7 (f) are top views, and FIG. FIGS. 7C and 7G are side views, and FIGS. 7E and 7H are cross-sectional views taken along line AA. 7 (a), (b), (c), and (d) are diagrams showing a retaining wall root stone block 62 having a short width, and FIGS. 7 (e), (f), (f) (g), (h) is a figure which shows the two-hole retaining wall root stone block 62 with a long width dimension. The retaining wall root stone block 62 shown in FIG. 7 is an example, and the dimensions and shape of each part of the retaining wall root stone block 62 are the dimensions and shape of the retaining wall block to be loaded, and the block retaining wall 10 to be constructed. It is appropriately selected depending on the shape, inclination angle and the like.

  The second retaining wall root stone block 62 according to the present invention shown in FIG. 7 includes a front leg portion 44a located on the front surface and a back leg portion located on the rear surface side with a predetermined distance from the front leg portion 44a. 44b, a connecting portion 44c that connects the front leg portion 44a and the back leg portion 44b, and a hollow portion 40 that is located between the front leg portion 44a and the back leg portion 44b and that is open at the top, bottom, left and right. doing. Further, the front leg 44a is long and the back leg 44b is short so that the upper surface of the retaining wall root stone block 62 is inclined at an angle θ substantially equal to the inclination angle of the block retaining wall 10 to be constructed.

  Then, as shown in FIG. 8, the second retaining wall root stone block 62 according to the present invention is placed on the foundation concrete 5 ′ having a flat upper surface placed on the foundation fracture 3 and fixed with concrete or the like. This becomes a part of the foundation of the block retaining wall 10. The block retaining wall 10 is constructed by stacking retaining wall blocks 14 a and 14 b on the upper surface of the retaining wall root stone block 62 by a predetermined number of steps. At this time, since the upper surface of the second retaining wall root stone block 62 is inclined by the inclination angle θ of the block retaining wall 10, the upper surfaces are flattened by stacking the retaining wall blocks 14 a and 14 b on the inclined surface θ. It is possible to construct the block retaining wall 10 having a predetermined inclination angle while using the basic concrete 5 ′.

  Next, the configuration of the third retaining wall root stone blocks 64a and 64b according to the present invention will be described with reference to FIG. 9A, 9B, and 9C are a front view, a bottom view, and a side view of one retaining wall root stone block 64a of the third retaining wall root stone block according to the present invention. 9, (d), (e), and (f) are a front view, a bottom view, and a side view of the other retaining wall root stone block 64b.

  As with the first retaining wall root stone blocks 60a and 60b, the third retaining wall root stone blocks 64a and 64b according to the present invention shown in FIG. Between the structure part 34a and a back structure part 34b provided at a predetermined interval, between the front structure part 34a and the back structure part 34b, a connecting part 34c, and between the front structure part 34a and the back structure part 34b. It has the cavity part 40 provided and the connection hole 42 provided in the side surface of the connection part 34c and connected with the cavity part 40. As shown in FIG. And the 3rd retaining wall root stone blocks 64a and 64b are substantially rectangular in a side view as shown in the side views of FIGS. 9 (c) and 9 (f). One retaining wall root stone block 64a is composed of slopes 36a and 36b whose side surfaces of the front structure portion 34a and the rear structure portion 34b are narrowed toward the back surface side, and the other retaining wall root stone block 64b is the front structure portion 34a. And the side surface of the back structure part 34b is comprised by the inclined surfaces 38a and 38b which spread toward a back side. The slopes 36a and 36b of the front structure part 34a and the slopes 38a and 38b of the back structure part 34b are not essential components, and may be constituted by simple planes. In this case, it is not necessary to distinguish the retaining wall root stone blocks 64a and 64b.

  The third retaining wall root stone blocks 64a and 64b include a reinforcing bar insertion hole 46 on the bottom surface of the front structure portion 34a. The reinforcing bar insertion hole 46 is not particularly limited as long as a reinforcing bar 48 having a general diameter can be inserted. However, a normal retaining wall block is provided, and the suspension hole is also used for lifting the retaining wall block. It is particularly preferable to do this. In this case, the conventional retaining wall block provided with the suspension hole can be diverted as the third retaining wall root stone blocks 64a and 64b. Further, if the retaining wall blocks 14a and 14b according to the present invention include the suspension holes and the reinforcing bar insertion holes 46, they can be diverted as the third retaining wall root stone blocks 64a and 64b.

  Next, a method of using the third retaining wall root stone blocks 64a and 64b according to the present invention will be described with reference to FIG. First, as shown in FIG. 10A, foundation concrete 5 'having a flat upper surface is placed on the foundation crushed stone 3 by a well-known method. Next, the reinforcing bars 48 are inserted into the reinforcing bar insertion holes 46 of the retaining wall root stone blocks 64a and 64b so that the reinforcing bars 48 protrude from the lower surface by a predetermined length. Next, as shown in FIG. 10B, retaining wall root stone blocks 64a and 64b are placed on the foundation concrete 5 '. As a result, the retaining wall root stone blocks 64a and 64b are disposed such that the front is inclined upward by the protruding reinforcing bars 48. At this time, by optimizing the protruding amount of the reinforcing bar 48, the inclination θ of the upper surface of the retaining wall root stone blocks 64a and 64b is made substantially equal to the inclination angle of the retaining wall surface of the block retaining wall 10 to be constructed. The retaining wall root stone blocks 64a, 64b are alternately arranged and contacted between the slopes 36a, 36b of one retaining wall root stone block 64a and the slopes 38a, 38b of the other retaining wall root stone block 64b. It is possible to adjust the length in the lateral direction and form a curved surface by changing the length according to the block retaining wall 10 that constructs the structure.

  Next, as shown in FIG.10 (c), concrete is poured in the middle of the cavity 40 of the root stone blocks 64a and 64b for retaining walls. And this concrete is solidified. Thereby, the foundation concrete 5 'and the retaining wall root stone blocks 64a and 64b are integrated. Next, the retaining wall blocks 14a and 14b are stacked on the upper surface of the integrated retaining wall root stone blocks 64a and 64b. At this time, since the upper surfaces of the retaining wall root stone blocks 64a and 64b are inclined by the inclination angle θ of the block retaining wall 10 due to the protrusion of the reinforcing bars 48, the retaining wall blocks 14a and 14b are stacked on the inclined surface θ. Thus, it is possible to construct the block retaining wall 10 whose retaining wall surface is inclined at a predetermined angle while using the basic concrete 5 ′ having a flat upper surface. Next, concrete is poured into the hollow portions 40 of the loaded retaining wall blocks 14a and 14b and the remaining hollow portions 40 of the retaining wall root stone blocks 64a and 64b to be solidified. As a result, the retaining wall root stone blocks 64a and 64b, the retaining wall blocks 14a and 14b, and the foundation concrete 5 'are integrated, and the block retaining wall 10 having an inclination angle θ is constructed.

  Note that the upper surfaces of the retaining wall root stone blocks 60a, 60b, 62, 64a, and 64b (the loading surface of the retaining wall blocks) according to the present invention are preferably formed of non-slip surfaces having fine irregularities. The formation of this anti-slip surface is similar to the retaining wall blocks 14a and 14b, such as a satin-patterned steel plate having fine irregularities on the formwork forming the upper surface of the retaining wall root stone blocks 60a, 60b, 62, 64a and 64b. Etc. are preferably used. According to these configurations, the frictional resistance during loading increases, and the retaining wall blocks 14a and 14b can be loaded more stably.

  As described above, the retaining stone root blocks 60a, 60b, 62, 64a and 64b according to the present invention have an upper surface whose inclination angle θ is equal to that of the block retaining wall 10 when placed on the foundation concrete 5 ′ having a flat upper surface. Tilt. Then, by retaining the retaining wall blocks 14a and 14b on the upper surface of the retaining wall root block inclined at the angle θ, a flat basic concrete 5 ′ having a flat upper surface that can be constructed in a simple manner and at a low cost is obtained. The block retaining wall 10 having a predetermined inclination angle can be constructed.

  When the angle of the block retaining wall 10 is changed, a retaining wall root stone block (first retaining wall root stone block 60a, 60b, second retaining wall root stone block 62) having an appropriate size is appropriately selected. The retaining wall blocks 14a and 14b to be stacked can be the same. For this reason, the introduction cost of a formwork, the storage cost of product inventory, etc. can be suppressed. Further, the third retaining wall root stone block 64a, 64b uses the conventional retaining wall block suspension hole as the reinforcing bar insertion hole 46, so that the conventional retaining wall block is the third retaining wall root stone block 64a. , 64b. For this reason, a new formwork is not required, and further cost reduction can be achieved.

  In addition, the retaining wall blocks 14a and 14b according to the present invention are formed of a non-slip surface having fine irregularities on at least one of the upper surface and the lower surface. A wall 10 can be constructed.

  Further, the upper surface of the retaining wall root stone blocks 60a, 60b, 62, 64a and 64b is made to be a non-slip surface, so that the frictional resistance during loading increases, and the retaining wall blocks 14a and 14b can be loaded and blocked more stably. The retaining wall 10 can be constructed.

  The configuration, shape, design, dimensions, etc. of each part of the retaining wall root stone blocks 60a, 60b, 62, 64a, 64b and the retaining wall blocks 14a, 14b described above are examples, and thus are limited to the above examples. However, the present invention can be modified and implemented without departing from the gist of the present invention. In this example, the retaining wall root stone block 60a, 60b, 62, 64a, 64b according to the present invention and the retaining wall block 14a, 14b according to the present invention are described in combination. The block retaining wall 10 may be constructed using the root stone blocks 60a, 60b, 62, 64a, 64b and other conventional retaining wall blocks, or the retaining wall block 14a, The block retaining wall 10 may be constructed by loading 14b.

10 block retaining wall
14a First retaining wall block
14b Second retaining wall block
32 Retaining wall
34a Front structure part
34b Rear structure part
34c connecting part
36a, 36b slope
38a, 38b slope
44a Front leg
44b Dorsal leg
44c connecting part
46 Reinforcing bar insertion hole
48 Rebar
60a, 60b First stone retaining stone block
62 Second stone retaining stone block
64a, 64b Third retaining wall root block

Claims (7)

Retaining wall root stone block located at the bottom of the block retaining wall,
A front structure portion having a retaining wall; a rear structure portion provided at a predetermined interval from the front structure portion; and a connecting portion connecting the front structure portion and the rear structure portion; The retaining wall is formed by tilting the retaining wall of the block retaining wall with respect to the upper surface, and has a substantially right-angled trapezoidal shape in which the back structure portion side is short and the upper surface side corners are substantially perpendicular in a side view. Nekishi block. Retaining wall root stone block located at the bottom of the block retaining wall,
A front leg portion having a long length; a back leg portion having a short length provided at a predetermined interval from the front leg portion; and a connecting portion connecting the front leg portion and the back leg portion. And
A root stone block for a retaining wall, wherein the upper surface is formed by tilting the retaining wall of the block retaining wall. A root stone block for a retaining wall that is located at the bottom of the block retaining wall and is substantially rectangular in side view,
Provided in the front structure part, a front structure part having a retaining wall, a back structure part provided at a predetermined interval from the front structure part, a connecting part connecting the front structure part and the back structure part, and the front structure part A reinforcing bar insertion hole, and a reinforcing bar that can be inserted into the reinforcing bar insertion hole,
A retaining stone root block for adjusting the inclination of the upper surface by adjusting the protruding amount of the reinforcing bar. The retaining wall root stone block according to claim 1 or 3, wherein side surfaces of the front structure portion and the back structure portion are formed by slopes narrowing toward the back side. The retaining stone root stone block according to claim 1 or 3, wherein side surfaces of the front structure portion and the back structure portion are formed by slopes extending toward the back surface side. The retaining stone root block according to any one of claims 1 to 5, wherein the upper surface is constituted by a non-slip surface having fine irregularities. A front structure portion having a retaining wall; a back structure portion provided at a predetermined interval from the front structure portion; and a connecting portion that connects the front structure portion and the back structure portion;
A first retaining wall block configured with slopes whose side surfaces of the front structure portion and the back structure portion narrow toward the back side; and slopes with side surfaces of the front structure portion and the back structure portion extending toward the back side. In the retaining wall block for constructing the retaining wall by alternately combining the second retaining wall block configured in the lateral direction and stacking upward.
A retaining wall block characterized in that at least one of the upper surface and the lower surface is formed of a non-slip surface having fine irregularities.

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