JP3048627B2 - Curved retaining wall using blocks - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION <Industrial application field> The present invention relates to a concave-convex curved retaining wall constructed by laminating square blocks.

<Related Art> Conventionally, when the height of a retaining wall is relatively low, the retaining wall is often constructed by using blocks and stacking the blocks.

Particularly, a concrete block having ribs protruding over the entire length on one surface and a groove formed over the entire length on the other surface was used, and the grooves formed on the block were sequentially laminated while being engaged with the ribs. Since the retaining wall has high construction accuracy and construction strength, it is used as a retaining wall in a place where aesthetic appearance is required and a place where durability is required.

Particularly, in the case of a retaining wall used particularly in a garden or the like, it is often required to construct a retaining wall having a curved shape, particularly an uneven curved shape, for terrain or aesthetic reasons.

<Problem to be Solved by the Invention> Here, when constructing a retaining wall having an uneven curved shape, it is conceivable to use a curved concrete shape block, for example, but it is difficult to form the block into an uneven curved shape. In addition, the manufacturing cost is extremely high.

That is, when the retaining wall itself is constructed in a curved shape, a large gap is generated between adjacent blocks,
And this large gap is exposed on the surface side of the retaining wall.

Therefore, the aesthetic appearance of the curved retaining wall constructed by the exposure of the large gap may be impaired.

Thus, the present invention has been made in view of such a conventional problem, and has as its object to provide an uneven curved retaining wall having no gap on the surface side of the constructed curved retaining wall. Things.

<Means for Solving the Problems> To solve the above problems, a curved retaining wall using the block according to the present invention is configured as follows.

That is, while protruding the rib over the entire length on the upper surface,
On the lower surface parallel to the upper surface, a groove is formed over the entire length in which the rib fits, and one of the side surfaces that is parallel to the rib and the groove and that descends from the upper surface to the lower surface and forms a steep slope. A plurality of square blocks formed with the front side reference plane and one side face adjacent to the front side reference plane formed at a right angle to the front side reference plane and the other side formed at an angle of 90 degrees or less with the front side reference plane. The one side of the rectangular block and the other side end on the front side reference surface side are brought into contact with each other, and a space between the side surfaces on the opposite side of the front side reference surface has a triangular void and is concave toward the horizontal direction. The space is arranged in parallel so as to form a curved curve, and the space is filled with a filler. From the end of the concave curved portion, one side of the rectangular block and the other side end of the front side reference surface side are applied. Contact and the side edge opposite to the front reference plane The triangular gaps between the parts are gradually reduced and arranged side by side in the horizontal direction, and one side and the other side of the square block are brought into contact to form a convex curved curve in the horizontal direction. And the first-stage retaining wall block is formed in a horizontal uneven curve shape, and the first-stage retaining wall block is formed on the first-stage retaining wall block formed in the horizontal uneven concave-convex curve shape. The first retaining wall block is formed by sequentially arranging the rectangular blocks in a horizontal uneven pattern while engaging the ribs of the rectangular block with the grooves of the rectangular block forming the second retaining wall block. A second-stage retaining wall block is laminated thereon, and a third-stage retaining wall block and the third-stage retaining wall block are similarly laminated and formed, and a gap formed in each stage is shifted so as not to coincide with the vertical direction. The top of the retaining wall block at the top of the stack Is formed on the lower surface in two substantially parallel grooves in the center at the center, and the side surface in the direction parallel to the groove is defined as a front reference surface, and one side surface adjacent to the front reference surface is perpendicular to the front reference surface. And a top-plate rectangular block having the other side surface at an angle of 90 degrees or less with respect to the front-side reference surface, and the opposite side surface facing the front-side reference surface also serving as the front-side reference surface. One of the grooves of the square block for the top plate is engaged with a rib provided on the wall block, and the rib is provided.

<Operation> According to the present invention, a retaining wall having an uneven curved shape can be constructed with high construction accuracy and construction strength, and no gap is exposed on the surface side of the constructed uneven curved retaining wall.

That is, the retaining wall block is formed by engaging the ribs protruding from the upper surface of one rectangular block and the grooves formed on the lower surface of the other rectangular block and stacking them, thereby forming a substantially integral structure in the height direction. It is possible to construct a retaining wall having a curved shape with irregularities.

Further, by arranging the side surface of one rectangular block formed at a right angle to the front side reference surface to abut the side surface of the other rectangular block formed at a predetermined angle of 90 degrees or less. A plurality of square blocks can be arranged in a convex curved shape according to the inclination angle of the other side surface,
In addition, since the front side end portions of the arranged rectangular blocks are in contact with each other at the location where the concave curved shape is formed, it is necessary to construct a concave curved retaining wall in which no gap is exposed on the surface side. Can be done.

In addition, the retaining wall blocks are arranged in a concave and convex curved shape and sequentially stacked and stacked in a plurality of stages. On the top portion, a top plate block is arranged along the concave and convex curve of the retaining wall block, so that a rib is provided on the top end portion. Therefore, it is possible to construct an uneven curved retaining wall that is not exposed to the side and that also improves the beauty of the top end portion.

<Example> Hereinafter, a curved retaining wall according to the present invention will be described.

1 (a) to 1 (c) are explanatory views of forming an uneven curved retaining wall, FIG. 2 is an explanatory view of a square block, and FIG. 3 is an explanatory view of a top plate block.

First, the structures of the rectangular block and the top block will be described with reference to FIGS.

In FIG. 2, a front side reference surface 1a is provided on the upper surface of the rectangular block 1 over the entire length of the rectangular block 1 in the width direction.
A rib 1b protrudes in a direction parallel to the above.

A groove 1c is formed on the lower surface of the rectangular block 1 over the entire width of the rectangular block 1 in the width direction of the rectangular block 1 in the same direction as the rib 1b in the direction parallel to the front reference surface 1a.

The ribs 1b and the grooves 1c provided on the upper surface and the lower surface of the rectangular block 1 are oriented in the direction along the front-side reference surface 1a as described above, that is, in the direction parallel to the front-side reference surface 1a. Although it may be formed near the center position in the width direction, in the embodiment of the present invention, it is formed at a position closer to the front-side reference surface 1a as shown in FIG.

Further, as can be understood from FIG. 2, the ribs 1b and the grooves 1c are formed at different positions with respect to the front-side reference surface 1a.

That is, the groove 1c is formed at a position closer to the front side reference surface 1a than the rib 1b.

Accordingly, a retaining wall having a predetermined height was constructed by stacking the ribs 1b protruding from the rectangular block 1 while engaging the grooves 1c formed in the rectangular block 1 located on the upper stage of the rectangular block 1 with the engagement. In this case, this retaining wall will have a step corresponding to the distance (separation distance) between the formation positions of the grooves 1c and the ribs 1b for each lamination step, and the retaining wall as a whole will exhibit a steep step shape. Become.

For this reason, even if this curved retaining wall is used for a retaining wall or the like, it is possible to construct a curved retaining wall having high construction strength and a sense of stability in construction.

Here, in the embodiment of the present invention, the separation distance between the groove 1c and the rib 1b is set to about 10 mm.

However, the separation distance is intended to provide an inclination to the retaining wall, and the separation distance is not limited to the above-mentioned dimensions.

Incidentally, the front-side reference surface 1a is configured as a surface portion exposed to the outside when the retaining wall is constructed. For this reason, it is preferable to form the front-side reference surface 1a as a smooth surface, and it is more preferable to form it as a natural stone surface.

Thus, one side 1d adjacent to the rectangular block 1
Is formed at right angles to the front-side reference surface 1a, and the other side surface 1e is formed at a predetermined angle of 90 degrees or less.

Here, in the present embodiment, the angle of the side surface 1e with respect to the front-side reference surface 1a is set to about 85 degrees.

In the present embodiment, the dimensions of the rectangular block 1 are in the direction of the front-side reference surface 1a (hereinafter referred to as the “transverse direction”).
Is 200 mm, the length on the side 1d side (hereinafter referred to as the “longitudinal direction”) is 300 mm, and the thickness of the portion excluding the rib 1b is 150 mm.

Further, the dimension of the groove 1c is formed with a value having a margin according to the angle of the side face 1e with respect to the dimension of the rib 1b.

In FIG. 3, reference numeral 2 denotes a top plate block, and two grooves 2b, 2b are formed on the lower surface of the top plate block 2 in a direction parallel to the front side reference surface 2a.

The dimension of the groove 2b is formed with a sufficient margin according to the inclination angle of the side surface 1e with respect to the dimension of the rib 1a of the retaining wall block 1.

The distance between the front side reference surface 2a and the groove 2b is a square block 1
Is formed with a dimension larger than the distance between the front reference surface 1a and the rib 1b.

By increasing the distance between the front side reference surface 2a and the groove 2b in the top plate block 2 as described above, when the top plate block 2 is arranged on the top of the rectangular block 1, the top plate block 2 forms a retaining wall. The upper part can be configured as a sloping roof.

Further, by forming two grooves 2b in the top plate block 2, the top plate block 2 can be provided with a surface 2e on the front side reference surface 2a side or on the opposite side to the front side reference surface 2a as necessary.
Any of the surfaces may be exposed on the surface side of the retaining wall.

The one side surface 2c of the top plate block 2 is formed at right angles to the front side reference surface 2a, and the other side surface 2d is formed at a predetermined angle of 90 degrees or less. It is the same as the shape block 1.

In the present embodiment, the angle of the side surface 2d is the square block 1
As in the case of the side surface 1e in FIG.

Front side reference surface 2a of top plate block 2, top surface and front side reference surface 2
The surface 2e opposite to a is configured as an exposed surface when a natural retaining wall is constructed.

For this reason, it is preferable to form these surfaces as smooth surfaces or natural stone surfaces.

Next, the construction state of constructing a curved retaining wall using the rectangular block 1 and the top plate block 2 configured as described above will be described.

FIG. 1A is an explanatory view of a case where a first-stage retaining wall block is formed when a retaining wall is formed.

When the retaining wall is formed in a curved shape with a concave curve as shown on the left side in FIG. 1, the rectangular blocks 1 are brought into contact with each other at the end of the rectangular block 1 on the front side reference surface 1a side. At the same time, they are arranged so that a curve having a predetermined concave curve can be formed by the front-side reference surface 1a.

At this time, a large triangular space is formed on the surface opposite to the front side reference surface 1a, and the space is filled with a filler such as earth and sand for curing.

When the retaining wall is formed in a straight line, the blocks 1 are arranged in contact with each other at the end of the front-side reference surface 1a as described above, and sediment is filled in the triangular space on the surface opposite to the front-side reference surface 1a. And the like.

In the case of forming a convex curved curve on the retaining wall, as shown on the right side in FIG. 1, each retaining wall block 1 is brought into contact with an end on the front side reference surface 1a side, and the convex curved is formed. The side surface 1b and the side surface 1e may be made closer to each other in accordance with the degree of the distance, and the triangular gap may be gradually reduced, and finally the side surface 1b and the side surface 1e may be arranged in contact with each other.

Thus, when the rectangular block 1 of the present embodiment is used, it is possible to construct a curved retaining wall having a convex curvature such that the radius of curvature of the retaining wall surface is about 2.4 m. .

However, the radius of curvature is by no means limited to this value, and various radiuses of curvature can be manufactured by reducing the angle with the front-side reference surface.

FIG. 2B is an explanatory view showing a case where a plurality of square blocks 1 are arranged on the upper part of the first stage to form and stack a second-stage retaining wall block.

The rib 1b of the square block 1 arranged on the first stage and the second
While engaging the groove 1c of the square block 1 constituting the step, the retaining wall blocks are formed in order while shifting the position in a stepwise manner, and are arranged in a stack, so that the uneven curved retaining wall is steeply stepped. Can be built.

That is, between the first retaining wall block and the second retaining wall block, a step corresponding to the difference in the distance between the rib 1b and the groove 1c of the rectangular block 1 from the front reference surface 1a. This results in a step-like shape.

In this way, the engagement between the rib 1b and the groove 1c of the rectangular block 1 makes it possible to form the retaining wall into a substantially integral structure. It is possible to construct a retaining wall.

It should be noted that the third stage, the fourth stage, and the like are also laminated in the same manner as described above.

FIG. 3C is an explanatory diagram of a case where the top plate block 2 is stacked on the upper part of the retaining wall stacked as described above.

This lamination is performed in the same manner as the lamination of the second stage or the like. By arranging the top plate blocks 2 on the top of the retaining wall constructed by laminating a plurality of retaining wall blocks, the ribs 1b are not exposed on the upper surface on the front side, so that the unevenness curve does not impair the aesthetic appearance. It is possible to construct a state retaining wall.

FIG. 4 is an explanatory view of a rectangular block 11 according to another embodiment.

In the figure, although the rectangular block 11 has side surfaces parallel to the width direction, there are formed surfaces 11a and 11b which are steeply sloping side surfaces from the upper surface to the lower surface.
a and 11b are respectively exposed on the surface of the retaining wall and have a function as a front-side reference surface.

That is, when the surface 11a is exposed on the surface of the retaining wall, it is possible to construct a retaining wall having a concavo-convex pattern on the surface side in the height direction (vertical direction), and when the surface 11b is exposed. Therefore, it is possible to construct a retaining wall having a smooth inclination in the height direction (vertical direction).

The upper surface of the rectangular block 11 is provided with a wide rib 11c having a convex cross section, and the lower surface thereof is formed with a groove 11d into which the rib 11c is fitted.

These ribs 11c and grooves 11d have the same functions as the ribs 1b and grooves 1c in the rectangular block 1 described in the above embodiment.

Further, using the surface 11a or 11b of the rectangular block 11 as a front side reference surface, a side surface 11e formed at right angles to the surface 11a or 11b and a side surface 11f having a predetermined angle are formed. These surfaces 11e and 11f also have the same functions as the side surfaces 1d and 1e of the rectangular block 1 described above, respectively.

FIG. 5 is an explanatory view of a top plate block 12 according to another embodiment.

The top plate block 12 is arranged on the top of the rectangular block 11. Front side reference surface 12 of top plate block 12
The groove corresponding to the rib 11c of the square block 11 on the lower surface for a
12b is formed.

One side surface 12c of the top plate block 12 is a front side reference surface 12a.
, And the other side surface 12d is formed at a predetermined angle.

These front-side reference surface 12a, groove 12d, and side surfaces 12c, 12d are front-side reference surface 2a, groove 2b, and side surface 2 in top plate block 2 described above, respectively.
It has the same function as c and 2d.

Even when a retaining wall is constructed using the rectangular block 11 and the top plate block 12 configured as described above, a curved retaining wall can be constructed in the same manner as in the above-described embodiment. .

<Effects of the Invention> As described above in detail, according to the irregularly curved retaining wall using the block according to the present invention, a high strength and aesthetic appearance can be improved without forming a gap on the surface of the retaining wall. You can build a retaining wall.

In particular, when the retaining wall is constructed, the ribs and the grooves of the rectangular block are engaged with each other and laminated, so that a high-strength retaining wall for earth retaining and the like can be formed.

Further, since the retaining wall block and the top plate block have a side surface formed at a right angle to the front side reference surface and a side surface formed at a predetermined angle, when these blocks are arranged, the It has excellent effects such as no generation of gaps on the surface.

BRIEF DESCRIPTION OF THE DRAWINGS FIGS. 1 (a) to 1 (c) are explanatory views of forming a corner portion, FIG. 2 is an explanatory view of a square block, FIG. 3 is an explanatory view of a top plate block, 4 and 5 are explanatory diagrams of another embodiment. 1,11 ... square block, 2,12 ... top block, 1a, 2a, 11a, 11b, 12a ... front side reference surface, 1b, 11c ... rib, 1c, 2b, 11d, 12d ... groove , 1d, 1e, 2d, 2e, 11e, 11f, 12c, 12d ...

Claims (1)

(57) [Claims] (1) A rib extending over the entire length is provided on an upper surface, and
On the lower surface parallel to the upper surface, a groove is formed over the entire length in which the rib fits, and one of the side surfaces that is parallel to the rib and the groove and that descends from the upper surface to the lower surface and forms a steep slope. A plurality of square blocks formed with the front side reference plane and one side face adjacent to the front side reference plane formed at a right angle to the front side reference plane and the other side formed at an angle of 90 degrees or less with the front side reference plane. The one side of the rectangular block and the other side end on the front side reference surface side are brought into contact with each other, and a space between the side surfaces on the opposite side of the front side reference surface has a triangular void and is concave toward the horizontal direction. The space is arranged in parallel so as to form a curved curve, and the space is filled with a filler. From the end of the concave curved portion, one side of the rectangular block and the other side end of the front side reference surface side are applied. Contact and the side edge opposite to the front reference plane The triangular gaps between the parts are gradually reduced and arranged side by side in the horizontal direction, and one side and the other side of the square block are brought into contact to form a convex curved curve in the horizontal direction. And the first-stage retaining wall block is formed in a horizontal uneven curve shape, and the first-stage retaining wall block is formed on the first-stage retaining wall block formed in the horizontal uneven concave-convex curve shape. The first retaining wall block is formed by sequentially arranging the rectangular blocks in a horizontal uneven pattern while engaging the ribs of the rectangular block with the grooves of the rectangular block forming the second retaining wall block. A second-stage retaining wall block is laminated thereon, and a third-stage retaining wall block and the third-stage retaining wall block are similarly laminated and formed, and a gap formed in each stage is shifted so as not to coincide with the vertical direction. The top of the retaining wall block at the top of the stack Is two places parallel to form a substantially central portion of the groove over the entire length on the lower surface,
And the side surface in the direction parallel to the groove is a front-side reference surface, and one side surface adjacent to the front-side reference surface is formed at right angles to the front-side reference surface, and the other side surface has an angle of 90 degrees or less with the front-side reference surface, And the top side rectangular block that can also be the front side reference surface opposite to the front side reference surface, the rib provided on the uppermost retaining wall block is one of the top plate rectangular block An uneven curved retaining wall using a block, wherein the retaining wall is provided by engaging a groove.