JP2004293187A - Retaining wall with side ditch - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide a retaining wall with a side ditch, which can be manufactured at a low cost and has a high strength, the installation works of which are simplified, which has an excellent stability and is not changed by the impulses or the like of a car, to which a fence can be installed and which has even a superior safety. <P>SOLUTION: The retaining wall with the side ditch is composed of the L-shaped retaining wall 10 and a side-ditch block 20 in which an upper end section can be placed and fixed at the top end of the retaining wall 10. The top end 11 of the retaining wall 10 is notched so that both end sections 111 are positioned at sections lower than a central section 112, the cross section of the block 20 is formed in an approximately U shape and a lower plate section 23 can be brought into contact with the retaining wall 10 when the front end of an upper plate section 21 is placed at the top end 11 of the retaining wall 10. The upper plate section 21 has an opening section 24, the retaining wall 10 and the block 20 are connected by a bolt 14 and fence holes 13 are formed to the retaining wall 10 and the block 20. <P>COPYRIGHT: (C)2005,JPO&NCIPI

Description

[0001]
TECHNICAL FIELD OF THE INVENTION
The present invention relates to a retaining wall with gutters.
[0002]
[Prior art]
Not only when a road is formed at the height of the upper surface of the retaining wall, but also when there is a possibility that unexpected large amounts of water may flow down the wall of the retaining wall, It is not uncommon for drainage gutters to be installed along the upper inside, but there are various concrete retaining walls and concrete gutter blocks used in such cases. For example, concrete retaining walls and concrete gutter blocks are formed completely independently and separately.However, there are disadvantages such as the formation of a gap between the two due to automobile vibration or earthquake. there were.
[0003]
In view of this, means for preventing a gap from being formed by providing a certain coupling mechanism between the concrete retaining wall and the concrete gutter block have been developed. For example, as described in Patent Document 1, the inside of the retaining wall is 2. Description of the Related Art There is known an L-shaped retaining wall with a side groove in which a locking portion is provided on a wall surface to lock a side groove block via a mounting pin.
[0004]
[Patent Document 1]
Japanese Utility Model Publication No. 6-13881
However, in this L-shaped retaining wall with side grooves, the upper surface of the retaining wall and the upper surface of the side groove block are made to coincide with each other to improve the appearance. Since there is a problem with the formation of the locking portion, it is difficult to manufacture a high-strength product at a low cost, and furthermore, the side groove block is placed on this locking portion and engaged with the mounting pin. Since it only stops the vehicle, there is a fear that the vehicle may be lifted up by the impact of a car. In addition, there are many requests for mounting a fence on the upper inside of the L-shaped retaining wall, but there is a drawback such as lack of safety because the fence cannot be mounted.
[0006]
[Problems to be solved by the invention]
The present invention solves the above-mentioned conventional drawbacks, can be manufactured at low cost, has high strength, is easy to install, has excellent stability, and varies due to the impact of a car or the like. An object of the present invention is to provide a retaining wall with a gutter which can be mounted on a fence without any trouble and is excellent in safety.
[0007]
[Means for Solving the Problems]
The present invention achieves such an object, and the invention according to claim 1 is directed to a retaining wall with side grooves including an L-shaped retaining wall and a side groove block capable of mounting and fixing an upper end portion on a top end thereof. The top end of the L-shaped retaining wall is notched so that both end portions are lower than the center portion, so that the tip of the upper plate portion of the side groove block can be placed, and the cross section of the side groove block is approximately It is U-shaped, and the upper plate has an opening at the center, so that the center of the tip is open except for both ends. The upper plate portion is longer than the lower plate portion, and when the tip of the upper plate portion is placed on the top end of the L-shaped retaining wall, the lower plate portion can come into contact with the L-shaped retaining wall. The mold retaining wall and the gutter block are connected by a bolt inserted into an insert provided at the top end of the L-shaped retaining wall, and a fence hole is formed in the L-shaped retaining wall and the gutter block to provide a fence post. Which can be inserted and fixed.
[0008]
According to a second aspect of the present invention, a slope or a step is formed between the top surface of the top end of the L-shaped retaining wall and the upper surface of the side groove block so that the upper surface of the side groove block is lower than the retaining wall. It is a retaining wall with a gutter described.
[0009]
BEST MODE FOR CARRYING OUT THE INVENTION
Hereinafter, the retaining wall with gutters of the present invention will be described in detail with reference to the drawings.
[0010]
1 to 4, reference numeral 1 denotes a guttered retaining wall according to the present invention. The guttered retaining wall 1 is composed of an L-shaped retaining wall 10 and a gutter block 20 whose upper end can be placed and fixed on its top end. It is mainly formed.
[0011]
The top end 11 of the L-shaped retaining wall 10 is notched so that both end portions 111 are lower than the central portion 112 so that both end portions of the tip of the upper plate portion 21 of the side groove block 20 can be placed. ing. As described above, since the height difference is provided between the both ends 111 and the center portion 112 of the L-shaped retaining wall, the tip of the upper plate portion 21 of the side groove block 20 is fitted on both ends 111 so as to sandwich the center portion 112. Since they can be placed together, the installation work is simple and the stability is excellent. Further, an insert 12 and a fence hole 13 are provided at an arbitrary position on a top end 11 of the L-shaped retaining wall 10, a bolt 14 can be inserted into the insert 12, and a fence post is inserted into the fence hole 13. 15 can be inserted and fixed. Since the L-shaped retaining wall 10 and the side groove block 20 can be integrated by inserting the bolts 14, the L-shaped retaining wall 10 is stable against vibration of an automobile, an earthquake, or the like. When the fence holes 13 are provided at the boundaries between the both ends 111 and the central portion 112, it is desirable that the fence can be easily attached and the stability of the fence is excellent.
[0012]
The side groove block 20 has a substantially U-shaped cross section and is formed by an upper plate portion 21, a side wall portion 22, and a lower plate portion 23. Since the upper plate portion 21 has an opening in the center, The center of the tip is open except for both ends. The upper plate portion 21 is longer than the lower plate portion 23, and when the tip of the upper plate portion 21 is placed on the top end 11 of the L-shaped retaining wall 10, the lower plate portion 23 is in contact with the L-shaped retaining wall 10. It is designed to be accessible. In this manner, by closely contacting the side groove block 20 with the inside of the L-shaped retaining wall 10, the side wall can be formed inexpensively by avoiding the overlapping of both wall surfaces. Further, as shown in FIGS. 5 and 6, a slope or a step is formed on the top end 11 of the L-shaped retaining wall 10 and the upper surface of the upper plate portion 21 of the side groove block 20, so that water does not flow down from the retaining wall 10. It is desirable to do so. In addition, it is desirable to form a slope or a step in the side groove block 20 at a position where only the side groove block 20 forms the upper surface. Openings 24, 24 are formed in the central portions of the upper plate portion 21 and the lower plate portion 23, and ready-mixed concrete or the like can be charged, and the bottom 25 of the gutter block 20 can be adjusted to a desired depth, inclination, and the like. And integration with the L-shaped retaining wall 10 can be achieved.
[0013]
Next, a method of constructing the retaining wall 1 with the gutter will be described in detail.
First, the L-shaped retaining wall 10 is installed on the base 16, embankment such as crushed stone, earth and sand is placed on the inside of the L-shaped retaining wall 10, and a gutter block installation base 26 is laid thereon, and then the The gutter block 20 is set on top. At this time, the tip of the upper plate portion 21 of the side groove block 20 is placed on both ends 111, 111 of the top end 11 of the L-shaped retaining wall 10, and is inserted into the insert 12 provided at the top end 11 of the L-shaped retaining wall 10. The L-shaped retaining wall 10 and the side groove block 20 are connected and fixed by inserting the bolts 14. The top surface of the top end of the L-shaped retaining wall 10 and the top surface of the gutter block 20 are made substantially flush with each other, but as shown in FIGS. It is desirable to provide a gentle gradient or step. Next, after embankment is performed so that the gutter block 20 is buried, ready-mixed concrete is poured from the central openings 24 and 24 of the gutter block 20 so that the bottom 25 of the gutter block 20 has a desired depth and a desired inclination. Form.
A fence post 15 is erected in a fence hole 13 formed in the L-shaped retaining wall 10 and the side groove block 20, and is buried and fixed with mortar to assemble the fence. Thus, the retaining wall with gutters of the present invention can be installed.
[0014]
【The invention's effect】
As is clear from the above description, the retaining wall with gutters of the present invention does not have a locking portion as in the prior art, so it can be manufactured at low cost, has high strength, and is easy to install. It has excellent stability, does not fluctuate due to the impact of a car, and can be fitted with a fence, and has excellent safety. Further, by providing a slope or a step on the top surface of the L-shaped retaining wall and the upper surface of the gutter block so that the upper surface of the gutter block is lower than the retaining wall, even if an unexpectedly large amount of water is generated, the retaining wall is formed. Without dropping along the side groove.
[Brief description of the drawings]
FIG. 1 is a front view of an embodiment of a retaining wall with side grooves according to the present invention.
FIG. 2 is a side view of the guttered retaining wall shown in FIG. 1;
FIG. 3 is a plan view of the retaining wall with side grooves shown in FIG. 1;
FIG. 4 is a rear view of the retaining wall with side grooves shown in FIG. 1;
FIG. 5 is an enlarged sectional view of a main part of the retaining wall with side grooves shown in FIG. 2;
FIG. 6 is an enlarged sectional view of a main part of a retaining wall with side grooves according to another embodiment.
[Explanation of symbols]
DESCRIPTION OF SYMBOLS 1 Side grooved retaining wall 10 L-shaped retaining wall 11 Top end 111 Both ends 112 Center part 12 Insert 13 Fence hole 14 Bolt 15 Fence support 16 Base 20 Side groove block 21 Upper plate part 22 Side wall part 23 Lower plate part 24 Central opening 25 Bottom part 26 Foundation for gutter block installation

Claims (2)

In a retaining wall with a groove formed by an L-shaped retaining wall and a side groove block on which a top end can be placed and fixed at the top end, the top end of the L-shaped retaining wall is notched such that both ends are lower than a center portion. The end of the upper plate portion of the side groove block is placed so that the tip of the upper plate portion is longer than the lower plate portion. Is provided so that the lower plate portion can be in contact with the L-shaped retaining wall when placed on the top end of the L-shaped retaining wall, and the upper plate portion and the lower plate portion have an opening at the center. Further, the L-shaped retaining wall and the gutter block are connected by bolts inserted into an insert provided at the top end of the L-shaped retaining wall, and a fence hole is formed in the L-shaped retaining wall and the gutter block. A retaining wall with gutters, which allows fence posts to be inserted and fixed. The retaining wall with a gutter according to claim 1, wherein a slope or a step is provided on the top surface of the top end of the L-shaped retaining wall and the upper surface of the gutter block so that the upper surface of the gutter block is lower than the upper surface of the retaining wall. .

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