JP2004060431A - Slope block unit - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide a slope block unit that can reduce working processes and working man-hours in slope construction work and easily cope with the inclination angle difference of a slope. <P>SOLUTION: This slope block unit is provided with a foundation block 2 laid at a boundary part between a road 7 and the slope 8, and a rectangular slope block 3 laid along the slope 8. A slope side inclined part 2a is formed at one shoulder part of the foundation block 2, and the slope side inclined part 2a and the lower end part of the slope block 3 are connected through an angle adjustable joint 4. <P>COPYRIGHT: (C)2004,JPO

Description

[0001]
TECHNICAL FIELD OF THE INVENTION
BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a slope block unit laid to protect a slope beside a road and to avoid an influence on a road of vegetation growing on the slope.
[0002]
[Prior art]
The slopes of mountains and hills approach the sides of roads that pass through mountainous areas. Conventionally, concrete slope blocks have been laid on this slope to protect the slope beside the road and to avoid the influence of trees growing on the slope on the road (for example, Patent Document 1).
[0003]
[Patent Document 1]
Japanese Patent Application Laid-Open No. 9-165750
Alternatively, a conventional slope block structure 51 shown in FIG. 12 includes a foundation block 54 buried at a boundary portion between a road 52 as a sidewalk or a roadway and a slope 53, and a method arranged along the slope 53. And the lower end surface of the slope block 55 is brought into contact with an inclined portion 54a formed at a predetermined angle on the slope side of the base block 54, whereby the slope block 55 is It is laid in a state of being inclined along.
[0005]
[Problems to be solved by the invention]
By the way, in the conventional slope block unit 51, since the foundation block 54 and the slope block 55 are separate bodies, the operation of embedding the foundation block, the operation of stacking a flat slope block on the foundation block, The work of stacking the frame-shaped slope blocks on the shape-side slope blocks was required individually, and the work of covering the foundation block was also necessary.
[0006]
In addition, since the lower surface of the slope block 55 is constructed such that the lower end surface of the slope block 55 is in contact with the slope side 54a of the foundation block 54, the inclination angle of the slope block 55 depends on the angle of the slope 54a of the foundation block 54. Therefore, it is difficult to cope with a difference in the inclination angle of the slope 53, and it is necessary to prepare a plurality of types of basic blocks 54 having inclined portions 54a having different angles.
[0007]
The present invention has been made in view of such circumstances, and an object of the present invention is to reduce the number of work steps and man-hours in slope construction and to easily cope with a difference in slope angle of the slope. It is to provide a slope block unit.
[0008]
[Means for Solving the Problems]
The present invention has been proposed in order to achieve the object, and according to Claim 1, at a boundary between a road and a slope, a foundation block laid with an upper surface exposed,
And a slope block laid along the slope,
A slope having a slope on one side formed on one shoulder of the base block, wherein the slope on the slope is connected to a lower end of the block via an angle-variable joint. It is a block unit.
[0009]
According to a second aspect of the present invention, there is provided the slope block unit according to the first aspect, wherein a space portion serving as a drainage channel is formed integrally in the longitudinal direction inside the base block.
[0010]
According to a third aspect of the present invention, a support block for supporting an upper slope block is provided at an upper end portion of the slope block, and a lower end of the upper slope block is locked to the support block. The slope block unit according to claim 1 or 2, wherein a locking portion is provided.
[0011]
According to a fourth aspect of the present invention, the notch portions are formed at left and right side edges of the side surface block at symmetrical positions, respectively. It is a slope block unit of description.
[0012]
According to a fifth aspect of the present invention, a female screw portion for a suspension bolt is buried in the upper surface of the base block, a concave portion is formed on a surface near the left and right center of the cutout portion, and a joint for fixing a joint is formed on a bottom portion of the concave portion. Bury the internal thread,
Slope blocks adjacent to each other in the left-right direction are fitted with joint members in adjacent recesses, and one end of the joint member is a female screw portion of one concave portion, and the other end is a female screw portion of the other concave portion. The slope block unit according to claim 4, wherein the slope block unit can be connected by being fixed with bolts.
[0013]
BEST MODE FOR CARRYING OUT THE INVENTION
Hereinafter, embodiments of the present invention will be described with reference to the drawings.
FIG. 1 is a perspective view showing a slope block unit of the present embodiment, FIG. 2 is a side view showing a state where the slope block unit of the embodiment is spread, and FIG. 3 is a slope block unit of the embodiment. It is a side view which shows the state which bent.
[0014]
The slope block unit 1 according to the present embodiment covers a foundation block 2 laid at a boundary between a road as a sidewalk or a roadway and a slope of a mountain or a hill, and a slope (mountain skin) sloped up from the road side. And a slope block 3 laid along the base block 2. A slope 2 a is formed on one shoulder side (slope side) of the base block 2, and the slope 2 a and the slope This is a structure in which the lower end of the block 3 is connected via a joint 4 whose angle is variable.
[0015]
The base block 2 is a concrete block having a substantially rectangular parallelepiped shape, and chamfers an upper corner (shoulder) disposed on a slope side thereof to a predetermined inclination angle of, for example, 45 ° to form an inclined portion 2a. Is formed. The base block 2 is formed with a space 5 serving as a drainage channel of a road. The space 5 includes a drainage channel 5 a having a circular cross section formed along the longitudinal direction of the base block 2, A drainage inlet 5b having a lower end communicating with the drainage channel 5a and an upper end opening at the upper surface of the base block 2, and a lid 6 such as a grating plate or a punching plate can be attached to the drainage inlet. Is formed. A female screw portion for a suspension bolt is buried on the upper surface of the basic block 2, which will be described later.
[0016]
The slope block 3 is a rectangular flat plate-shaped concrete block, for example, having a size of 180 cm or the like that is suitable for protecting the lower part of the slope, and cutouts at the left and right side edges thereof are symmetrical. And a female screw portion is provided at the bottom of the concave portion formed beside each notch, and a drain hole (not shown) or the like is appropriately formed in the flat portion as needed. The notch and the female screw will be described later.
[0017]
The joint 4 connecting the slope-side inclined portion 2a of the base block 2 and the lower end of the slope block 3 is made of, for example, a hinge joint or a flexible wire. At the time of concrete molding, each end (specifically, an anchor portion) of the hinge joint is embedded and fixed in the base block 2 and the slope block 3 respectively. The base block 2 and the side block 3 are connected by the hinge joint, so that the side block 3 can be inclined at a free angle with respect to the base block 2.
[0018]
As shown in FIG. 2, the slope block unit 1 of the present embodiment is transported with the slope block 3 spread out, and at the time of construction, the slope block 3 is inclined as shown in FIG. It is laid in the state where it was.
[0019]
FIG. 4 is a cross-sectional view showing a construction state of the slope block unit of the present embodiment. As shown in the figure, in the slope block unit 1 of the present embodiment, the foundation block 2 and the slope block 3 are integrally formed by the hinge joint 4 and are integrally constructed. It can be completed in one construction including the construction work of the slope block on the block.
[0020]
More specifically, a foundation crushed stone 9 and a mortar 10 are laid in order in a buried groove of a foundation block 2 excavated at a boundary between a road (a sidewalk in FIG. 4) 7 and a slope 8 and a foundation block is laid. 2 is arranged such that the upper surface is exposed to the road and is flush. Further, the slope block 3 is arranged after the slope is excavated by the thickness of the slope block 3. After the slope block 3 is arranged, the gap between the foundation block 2 and the slope block 3 is centered with a fixed mortar 10a or the like to fix the angle between the foundation block 2 and the slope block 3. Therefore, the work of embedding the base block and the work of laying the slope block, which have been performed completely separately in the past, are performed simultaneously, and the work process and the number of man-hours can be reduced as compared with the related art.
[0021]
Furthermore, since the space part 5 which becomes the drainage of a road is integrally formed in the basic block 2 in this embodiment, the construction work of the drainage can be performed together with the slope maintenance work. Work man-hours can be greatly reduced.
[0022]
Moreover, in the slope block unit 1 of this embodiment, since the foundation block 2 and the slope block 3 are connected by the hinge joint 4, the inclination angle of the slope block 3 can be freely changed according to the construction site. Therefore, it is possible to easily cope with the difference in the inclination angle of the slope 9.
[0023]
FIG. 4 shows a construction example in which a slope block is laid in one step. When the slope block is laid in several steps in the height direction, a support block 11 as shown in FIG. 5 is employed, and FIG. It will be constructed as shown. The support block 11 is a concrete block having a T-shaped cross section, and includes a fixing piece 11a sandwiched between upper and lower slope blocks 3a and 3b, and an upper end of the lower slope block 3a and an upper slope block 3b. And a holding piece 11b for holding and supporting the lower end, and the upper half convex part of the holding piece 11b functions as the locking part of the present invention. That is, the fixing piece 11a of the support block 11 is placed on the upper end of the slope block 3 (3a) of the slope block unit 1 of this embodiment, and a bolt or the like is inserted into the mounting hole 12 formed in the fixing piece 11a. Then, the holding piece 11b is fixed with the holding piece 11b protruding from the surface, and the upper side slope block 3b is put on and supported by the holding piece 11b with its lower end locked. When the upper slope block 3b is laid in this manner, the upper slope block 3b can be reliably supported, and the forward displacement of the upper slope block 3b can be prevented by the pressing piece 11b.
[0024]
As shown in FIG. 7, the support block 11 may be integrally formed with the slope block 3 at the upper end of the slope block 3, that is, at the end opposite to the base block 2. In this case, a portion corresponding to the fixing piece 11a is fused with the slope block 3 and becomes integral with the slope block 3, and a holding piece 11b that presses and supports the lower end of the upper slope block 3b moves forward from the upper end surface of the slope block 3. The upper half convex portion of the presser piece 11b functions as the locking portion of the present invention.
[0025]
Although the anchors are not used in the construction examples shown in FIGS. 4 and 6, the anchors may be inserted through holes formed in the slope block.
[0026]
Further, the support block 11 is provided with the holding piece 11b as a locking portion, but the locking portion in the present invention is not limited to this, and the lower end of the upper slope block is locked. I just want it. For example, a concave portion or a convex portion may be provided as a locking portion, and a convex portion or a concave portion fitted to this may be formed at the lower end of the upper slope block.
[0027]
The second embodiment of the slope block unit 1 shown in FIGS. 8 and 9 is different from the first embodiment in that the basic block 2 laid at the boundary between the road and the slope and the slope A slope surface block 3 laid along the bottom surface of the base block 2. A slope surface side inclined portion 2a is formed at one shoulder of the base block 2, and the slope surface side inclined portion 2a and a lower end of the slope surface block 3 are formed. Since the components are connected via a variable angle joint 4, the description is omitted, and the description is omitted, and the notch portion of the slope block 3 and the female screw portion of the base block 2 used when suspended in the laying work, etc. It will be described in detail. In addition, although the space part used as a drainage channel is not formed in the basic block 2 of this embodiment, of course, it may be formed. In addition, a concave-convex pattern is formed in a lattice shape on the flat surface portion (surface portion) of the slope block 3 in order to enhance decorativeness.
[0028]
In the present embodiment, as shown in FIG. 8, cutouts 20 each having a substantially rectangular cross section are formed at approximately one third from the left and right side edges of the slope block 3. The female screw part 22 is formed by connecting a notch 20 near the left and right center to a notch 20 to form a substantially rectangular recess 21 in a plan view to a depth of about one third of the plate pressure, and burying a nut in the bottom of the recess 21. It is provided. Also, recesses 23 are respectively formed at the left and right ends of the upper surface of the basic block 2, and a female screw portion 24 is provided by embedding a nut at the bottom of each recess 23.
[0029]
In order to lift the slope block unit 1 having such a configuration at a construction site or the like, as shown in FIG. 10, the belt wire 25 is wound around the left and right notches 20 so as to be wound from the back surface of the slope block 3. The band wire 25 is hooked on a hook 26 of a crane, and a suspension bolt 27 such as an eye bolt is screwed into the female screw portion 24 of the base block 2. It is hung on a hook 26 via a so-called catcher 29 and lifted. When the strip wire 25 is used to lift the slope block 3, even if the slope block 3 having a thickness of about 50 mm or more and belonging to a thin class as a concrete block has a large contact area, the load is dispersed and applied. Thus, damage can be prevented. Moreover, as shown in FIG. 10, it is desirable that the slope block 3 is lifted up in a state where it is raised almost vertically.
[0030]
Then, when the slope block unit 1 is lifted, the crane is operated to move to a predetermined laying position, and gradually lowered while adjusting the position to lay at a predetermined position. Since the slope block units 1 are laid along the road, it is necessary to lower the next slope block unit 1 in contact with the slope block unit 1 previously laid. For this reason, although the side edges of the adjacent slope blocks 3 and 3 are in contact with each other, in the present embodiment, the band wire 25 is hung on the cutout 20 formed on the side edge of the slope block 3, so that Even if the belt wire 25 is lowered in contact with each other, the band wire 25 is not sandwiched between the slope blocks 3. Therefore, the band wire 25 can be easily removed from the lowered slope block 3.
[0031]
If the slope block units 1 are arranged side by side in the direction of the road by repeating such an operation, the recesses 21 and 21 of the adjacent slope blocks 3 and 3 and the recesses 23 and 23 of the base blocks 2 and 2 are adjacent to each other. Are connected in series. Then, as shown in FIG. 11, a joint member 30 made of a metal plate is fitted into the concave portions 21 and 21 where the slope block 3 is connected, and a bolt 31a is inserted through a hole formed at one end of the joint member 30. On the other hand, for example, a bolt 31b passed through a female screw portion 22a of the concave portion 21a of the left side surface block 3a into a hole formed at the other end of the joint member 30 is used, for example, of the right side surface block 3 Each of the female threads 22b of the concave portion 21b is tightened and fixed. Similarly, in the basic block 2, the joint member 30 is fitted in the connected concave portions 23, 23, and a bolt passed through a hole formed at one end of the joint member 30 is connected to one of the left basic block, for example. In the female screw portion of the second concave portion, a bolt passed through a hole formed at the other end of the joint member 30 is tightened and fixed to the female screw portion of the concave portion of the right base block 2, for example. When the adjacent slope blocks 3 and 3 and the foundation blocks 2 and 2 are sequentially connected by the joint member 30 in this manner, the laid slope block units 1 can be integrated.
[0032]
Then, when the connection work of each slope block unit 1 is completed, the bolts and the joint member 30 can be covered and hidden by filling the recesses 21 and 23 with a mortar material. Therefore, the appearance is improved, and the landscape is also improved.
[0033]
As described above, according to the slope block unit 1 according to the present embodiment, since the foundation block 2 and the slope block 3 can be lifted and laid at once, the labor required for the laying operation can be significantly reduced. . Further, since the band wire 25 can be hung on the cutout portion 20 formed on the side edge of the slope block 3, the band wire 25 can be easily removed after the band wire 25 is lowered. Furthermore, when the work for connecting the adjacent slope blocks 3 is performed, the workability is good because the concave portion 21 for attaching the joint member 30 is provided on the surface of the slope block 3.
[0034]
In addition, although the slope block 3 in each above-mentioned embodiment is a flat plate-shaped concrete block, it is not limited to this. For example, an opening may be formed in the slope block 3 so as to penetrate in the thickness direction so that vegetation can be made in the opening.
[0035]
【The invention's effect】
As described above, according to the present invention, the following excellent effects can be obtained.
According to the first aspect of the present invention, the angle of the slope of the slope side of the base block laid on the boundary between the road and the slope and the lower end of the slope block laid on the slope are variable. Since the connection is performed via the joint, the work of the foundation block and the work of laying the slope block can be put together and the work process and work man-hours can be reduced. In addition, since the angle of the joint is variable, the slope angle of the slope block can be freely changed, so that even the same slope block can easily cope with a difference in slope angle of the slope. it can. Therefore, it is not necessary to produce a plurality of types of basic blocks 2 according to the inclination angle of the slope, and inventory management as well as production becomes easy.
[0036]
According to the second aspect of the present invention, since the space portion serving as the drainage channel is integrally formed inside the foundation block, the construction work of the drainage channel can be completed at the same time simply by laying the foundation block. The number of steps and man-hours can be greatly reduced.
[0037]
According to the third aspect of the present invention, since the support block provided with the locking portion for locking the lower end of the upper slope block is provided at the upper end of the slope block, the upper slope block is provided. It is possible to reliably support and prevent the position of the upper slope block from being shifted.
[0038]
According to the invention as set forth in claim 4, since the cutouts are formed at the left and right side edges of the slope block at symmetrical positions, a wire is hung on the cutout to lift the slope block. Even if the next slope block is lowered while being in contact with the previously laid slope block, the wire can be easily removed without being pinched between the slope blocks.
[0039]
According to the invention as set forth in claim 5, a female screw portion for a suspension bolt is provided on the upper surface of the base block, a concave portion is formed on the surface near the left and right center of the cutout portion of the side surface block, and a joint is formed at the bottom of the concave portion. Since the female screw portion for fixing is provided, the side surface blocks adjacent to each other in the left-right direction are fitted with a joint member in the adjacent concave portion, and one end of the joint member is attached to the female screw portion of one concave portion, and the other. The end can be connected to the female screw portion of the other concave portion by fixing it with a bolt. Therefore, the slope block units laid side by side can be integrated, and high strength can be expected.
[Brief description of the drawings]
FIG. 1 is a perspective view showing a slope block unit of the present embodiment.
FIG. 2 is a side view showing a state in which a slope block is spread in the slope block unit of the present embodiment.
FIG. 3 is a side view showing a state where the slope block is inclined in the slope block unit of the embodiment.
FIG. 4 is a schematic diagram illustrating a construction state of a slope block unit according to the present embodiment.
FIG. 5 is a perspective view showing a support block in the slope block unit of the embodiment.
FIG. 6 is a schematic view showing a construction state using a support block in the slope block unit of the embodiment.
FIG. 7 is a side view of a slope block unit in which a support block is integrally provided.
FIG. 8A is a plan view of a second embodiment of a slope block unit, and FIG. 8B is a side view thereof.
FIG. 9 is an enlarged perspective view of a notch.
FIG. 10 is a schematic perspective view showing a state where a slope block unit is lifted.
FIG. 11 is a sectional view of a concave portion showing a connection state of a slope block.
FIG. 12 is a schematic view showing an example of a conventional slope block unit.
[Explanation of symbols]
DESCRIPTION OF SYMBOLS 1 Slope block unit 2 Base block 2a Inclined part 3 Slope block 4 Angle variable joint 5 Space part 5a Drainage channel 5b Drainage inlet 6 Lid 7 Road 8 Slope 9 Foundation crushed stone 10 Floor mortar 10a Fixed mortar 11 Support Block 11a Fixing piece 11b Holding piece 12 Mounting hole 20 Notch 21 Concave part of slope block 22 Female thread part of slope block 23 Recess of base block 24 Female thread of base block 25 Band wire 26 Crane hook 27 Suspension bolt 28 Wire 30 Joint member 31 Bolt

Claims (5)

A foundation block laid at the boundary between the road and the slope,
And a rectangular slope block laid along the slope,
A slope having a slope on one side formed on one shoulder of the base block, wherein the slope on the slope is connected to a lower end of the block via an angle-variable joint. Block unit. The slope block unit according to claim 1, wherein a space portion serving as a drainage channel is formed integrally in the longitudinal direction inside the base block. At the upper end of the slope block, a support block for supporting the upper slope block is provided, and the support block is provided with a locking portion for locking the lower end of the upper slope block. The slope block unit according to claim 1 or 2, characterized in that: The slope block unit according to any one of claims 1 to 3, wherein cutouts are formed at left and right side edges of the slope block at symmetrical positions. A female screw portion for a suspension bolt is provided on the upper surface of the basic block, a concave portion is formed on the surface near the left and right center of the cutout portion, and a female screw portion for fixing a joint is provided at the bottom of the concave portion,
Slope blocks adjacent to each other in the left-right direction are fitted with joint members in adjacent recesses, and one end of the joint member is a female screw portion of one concave portion, and the other end is a female screw portion of the other concave portion. The slope block unit according to claim 4, wherein the block unit can be connected by being fixed with bolts.

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