JP2678975B2 - Variable Gradient Side Gutter Block - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a variable-gradient type gutter block, and more particularly to a variable-gradient type gutter block which is optimal for use when the road gradient and the drainage gradient are different.

[0002]

2. Description of the Related Art Japanese Patent Publication No. Hei 1-111829 and Japanese Patent Publication No. Hei 1-258 describe this type of variable slope type gutter block.
No. 50, as shown in FIG. 12, the left and right side walls 1,
When the upper end portion of 1 is integrally connected by the upper beam plate 2, the thin connecting piece 3 is attached to the lower end portions of the left and right side walls 1, 1.
There is disclosed a gutter block 5 in which a bottom plate 4 is formed so as to be separable via.

The gutter block 5 is a box-shaped precast concrete block that has been molded in a predetermined length in a factory in advance, and is impacted by a chisel or the like after being installed on site. Thereby, the connecting piece 3 is broken and the bottom plate 4 is separated from the side walls 1 and 1.
After that, the bottom slab 4 is lifted up by a wire or vertically adjusted with an adjuster metal fitting or the like attached to the bottom slab 4, and a mortar or the like 8 is poured into a gap between the bottom slab 4 and the foundation concrete 6 by an injection jig 7 such as a funnel, The bottom plate 4 is set according to the intended drainage gradient.

[0004]

As described above, the gutter block 5 shown in FIG. 12 has the left and right side walls 1, 1,
An upper beam slab 2 that connects the upper ends thereof and a bottom slab 4 that is connected to the lower ends of the left and right side walls 1 and 1 via connecting pieces 3 are integrally molded, and are made of box-shaped precast as a whole. It is a concrete block.

Therefore, as in the bottom slab 4 shown in FIG.
There is no problem if the top surface has a relatively simple shape,
As will be described later, (1) in the case of a compound drainage groove that separates sewage and rainwater for drainage, a joint groove with a cover underdrain, and a side groove for a curved part, the top surface shape of the bottom plate 4 Becomes complicated, and the upper ends of the left and right side walls 1, 1 are partly blocked by the upper beam plate 2, which makes it difficult to make.
It is difficult to manufacture a long product such as 2 m.
(2) Since the bottom plate 4 is configured to break and separate the connecting piece 3 by giving an impact to the connecting piece 3, the connecting piece 3 will be destroyed by some kind of shock and the commercial value will be lost, and the yield will be poor. (3) When the connecting piece 3 is thin enough to be destroyed by an impact such as a chisel, the connecting piece 3 may be destroyed by an impact during transportation and the bottom slab 4 may be dropped from below the side walls 1 and 1 to be damaged. That there is. There are various problems.

[0006]

SUMMARY OF THE INVENTION The present invention has been made to solve the above-mentioned conventional problems, and can easily manufacture a long plate having a complicated top surface shape. The purpose of the present invention is to provide a product that is not damaged by an impact during manufacturing or transportation, and that has an easy water-stopping work and a good water-stopping property. The gist consists of both left and right side walls, a gate-shaped gutter component member consisting of a top plate that connects the upper end portions thereof, and a bottom slab manufactured independently of the gutter component member,
The bottom plate is moved in the vertical direction by inserting the leading end portions of the connecting bolts attached to the lower ends of the left and right side walls into the vertical grooves formed in the both side walls near both ends in the longitudinal direction of the bottom plate. When assembled together so that it can be fixed, the structure is such that the bottom slab is moved up and down by the turning operation of the level adjusting bolts mounted on the lower surface near the both ends of the bottom slab, and further near the ends of the bottom slab. In addition, a variable-gradient type is characterized by forming a gap between the lower surface and the foundation concrete and a grout press-fitting hole that vertically penetrates to fill the mortar into the concave groove and a hole for air release and grout confirmation. Located on the gutter block.

[0007]

DETAILED DESCRIPTION OF THE INVENTION The present invention will be described below with reference to FIGS.
In the drawings, reference numeral 11 is a variable-gradient type gutter block, and reference numeral 12 is a gate-shaped gutter component member that constitutes the variable-gradient gutter block 11.

The gate-shaped gutter component member 12 has left and right side walls 13, 13 and a top plate 14 for connecting the upper ends thereof.
And a recessed groove 15 extending in the longitudinal direction formed in the center of the upper surface of the top plate 14, and rectangular water guiding holes 16 penetrating vertically in the recessed groove 15 at desired intervals. In the recessed groove 15, a grating 17 is formed.
Are formed so that they can be mounted by fitting.

Packings 18, 18 are fixed to the outer corners of the lower ends of the side walls 13, 13 over the entire length of the side walls 13, 13, and further, both ends of the side walls 13, 13 are fixed. A plurality of bolt holes 20 each having a nut 19 embedded therein are formed at a lower end portion in the vicinity thereof so as to horizontally penetrate the side wall 13, and a connecting bolt 21 is inserted into the bolt holes 20. Further, it is configured to be screwed into the nut 19 embedded in the bolt hole 20 so as to be movable back and forth in the horizontal direction.

Reference numeral 22 is the variable gradient type gutter block 11
The bottom plate 22 has the same length as the gate-shaped gutter component member 12 and the lateral width has a gutter component member 1.
It has a size that can be accommodated in the opening at the lower end of 2, and a concave portion 23 having a gentle V shape is formed on the upper surface over the entire length. Reference numeral 24 denotes a side wall of the bottom plate 22. At both ends of the both side walls 24, 24 in the longitudinal direction, concave grooves 25, 25 extending vertically are formed at positions facing the connecting bolt 21.
Are formed respectively. In the figure, 26 is the bottom plate 22.
The packing is attached to the upper edge of the
Is a packing attached along the upper edge of the joint end surface 28.

Reference numeral 29 is a vertical hole opened on the lower surface 30 of the bottom plate 22. Two vertical holes 29, 29 are arranged in parallel on one end side of the bottom plate 22 in the longitudinal direction, and one is provided at the center on the other end side. Vertical hole 29
A level adjusting bolt 32 having a hexagonal flange 32A fixed to the center is screwed and hung down to a nut 31 embedded in each vertical hole 29. In the figure, 33 is basic crushed stone and 34 is basic concrete.

FIG. 11 shows another embodiment of the bottom plate. In FIG. 11 (a), a partition plate 35 is erected at the center of the upper surface, and a drainage groove 36A and a rainwater groove 36B are provided on the left and right sides of the partition plate 35. The bottom slab 36 used for the double drainage groove 37 having the structure respectively formed, the figure (b) shows a partition plate 38 standing upright on the left side of the upper surface, and a sewage groove 39A and a rainwater groove on the left and right sides of the partition plate 38. 39B
When each of them is formed, the upright portion 4 is located at the position rightward.
It is a bottom plate 42 used for a common groove 41 having a structure in which a culvert 40 composed of 0A and a lid 40B is formed. In the same figure (C), an elliptical concave portion 43 with a long diameter line rising to the right is formed on the upper surface, and rainwater The bottom plate 45 is used for the curved side groove 44 having a structure for moving the flow center to the right, and the other structures are the same as those of the bottom plate 22.

Thus, the gate-shaped gutter component member 12 and the bottom plate 22 formed separately from the gutter component member 12 are
At the time of shipment, it is assembled by the method described below and kept together. That is, the bottom plate 22 is inserted from the opening of the lower end portion of the gutter component member 12, and the connecting bolt 21 mounted on the lower end portion of the gutter component member 12 is rotated to bring the tip portion 21A of the connecting bolt 21. Is inserted into the groove 25 formed on the side wall 24 of the bottom plate 22, and is engaged with the upper step portion 25A of the groove 25. In this case, the bottom surface 30 of the bottom plate 22
A level adjusting bolt 31 is previously attached to the by screwing.

In this way, the gate-shaped gutter component member 12 is formed.
The variable slope type gutter block 11 in which the bottom plate 22 and the bottom slab 22 are assembled together is installed on the foundation concrete 34 at the site,
The level adjusting bolts 32 are each rotated to set the upper surface of the bottom slab 22 in accordance with a predetermined drainage gradient. At this time, the bottom slab 22 moves up and down, but the bottom slab 22 is guided by the tip portion 21A of the connecting bolt 21 that has entered into the recessed groove 25,
While it is possible to smoothly move up and down to adjust the level, the movement in the longitudinal direction is also restricted and the bottom plate 22 can be easily positioned with respect to the gutter component member 12.

Then, the mortar 47 is press-fitted into the gap between the lower surface 30 of the bottom slab 22 and the basic concrete 34 through the grout press-fitting holes 46 formed in the bottom slab 22, to form the support layer 48, and thus the gutter component member. 12 side walls 13, 13
The mortar 47 is also filled in the groove 25 through the gap between the side walls 24 of the bottom plate 22 and the side walls 24, 24.
2, the bottom slab 22, the gutter component 12, and the bottom slab 22 are integrally fixed to the foundation concrete 34 via the support layer 48. In the figure, numeral 49 is a hole for bleeding air and for checking the grout.

[0016]

As described above, the variable gradient type gutter block according to the present invention includes a gate-shaped gutter component member composed of a left and right side walls and a top plate for connecting the upper ends thereof, and the gutter groove. A connecting bolt which is composed of a component and a bottom slab manufactured independently of each other, and which is attached to the lower ends of the left and right side walls in vertical grooves formed in the both side walls near both ends in the longitudinal direction of the bottom slab. When the bottom slab is assembled by integrally inserting it so that the bottom slab can be moved and fixed in the vertical direction, the bottom slab is moved up and down by rotating the level adjusting bolts attached to the lower surface near both ends of the bottom slab. In the vicinity of the end of the bottom slab, the gap between the bottom surface and the foundation concrete and the grout press-fitting hole that penetrates vertically to fill the concave groove with mortar and the air bleeding and grout confirmation Each of the holes Because of the structure, even if the top surface of the bottom slab is complicated, such as a double drainage groove, a common groove, and a side groove for a curved portion, it is easy to manufacture even a long one. If possible, the yield is good without damage due to impact. The gap between the bottom surface of the bottom slab and the foundation concrete and the inside of the groove are filled with mortar from above the bottom slab through the grout press-fitting hole, so that the water-stopping work is easy and good water-stopping is secured. can do. There are various effects.

[Brief description of the drawings]

FIG. 1 is a perspective view after construction of a variable gradient type gutter block according to the present invention.

FIG. 2 is a perspective view of a component member for a gutter.

FIG. 3 is an enlarged cross-sectional view taken along line AA of FIG. 2;

FIG. 4 is a perspective view of a bottom plate.

5 is an enlarged cross-sectional view taken along line BB of FIG.

FIG. 6 is an enlarged cross-sectional view taken along line CC of FIG. 4;

FIG. 7 is an enlarged view of the DD section of FIG. 4 with a part thereof omitted.

FIG. 8 is a first process diagram showing a construction order.

FIG. 9 is a second process diagram showing a construction order.

FIG. 10 is a third process chart showing the construction order.

FIG. 11 is a front view showing an example.

FIG. 12 is a front view of a conventional variable gradient type gutter block after construction.

[Explanation of symbols]

 11 Variable Gradient Side Gutter Block 12 Side Gutter Components 13 Side Wall 14 Top Plate 15 Recessed Groove 16 Water Guide Hole 17 Grating 18 Packing 19 Nut 20 Bolt Hole 21 Connecting Bolt 21A Tip 22 Bottom Plate 23 Recess 24 Side Side 25 Concave Groove 25A Above Step 26 Packing 27 Packing 28 Joining end face 29 Vertical hole 30 Lower surface 31 Nut 32 Level adjusting bolt 34 Basic concrete 46 Grout injection hole 47 Mortar 48 Support layer 49 Hole for air bleeding and grout confirmation

Claims (2)

(57) [Claims] 1. A right and left side walls, a gate-shaped gutter component member composed of a top plate connecting upper ends thereof, and a bottom plate manufactured independently of the gutter component member. It is possible to vertically move and fix the bottom slab by inserting the tips of the connecting bolts attached to the lower ends of the left and right side walls into the vertical grooves formed in the side walls near both ends in the longitudinal direction. When integrally assembled so that the bottom slab is moved up and down by rotating the level adjusting bolts attached to the lower surface near both ends of the bottom slab, the bottom slab is further adjusted near the end. A variable-gradient gutter block characterized in that a gap between the lower surface and the foundation concrete and a vertically-grouting press-fitting hole for filling mortar in the groove and a hole for air bleeding and grout confirmation are formed respectively. . 2. A gate-shaped component for a side groove, a left and right side walls, a top plate connecting upper ends of the side walls, a longitudinal groove extending in the center of the upper surface of the top plate, and the recess. 2. The variable gradient type gutter block according to claim 1, wherein each of the rectangular water guiding holes is provided at a desired interval and penetrates vertically in the groove.