JPH08209793A - Variable-gradient gutter block - Google Patents

Abstract

PURPOSE: To provide a block which can be easily manufactured even if a bottom slab is long-sized and is in complicated surface shape, and is prevented from being damaged owing to an impact at the time of the manufacture or transportation thereof. CONSTITUTION: A block is composed of both a gate-shaped gutter-component member 12 consisting of both side walls 13, left and right, and a top slab 14 bridged between the top ends of the side walls 13, and a bottom slab 22 manufactured independent of the gate-shaped component member 12. A top end 21A of a connecting bolt 21 mounted in each lower end of the side walls 13 is inserted into each vertical recess 25 formed on both side walls 24 of the bottom slab 22, and the gate-shaped component member 12 and the bottom slab 22 are integrally assembled so that the bottom slab 22 can be vertically moved and is fastened. Furthermore, the bottom slab 22 is vertically adjusted by turning level-adjusting bolts 32, which are mounted on the undersurface in the vicinity of each end in the longitudinal direction of the bottom slab 22.

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 As such a variable gradient type gutter block, Japanese Utility Model Publication No. 1-1829 and Japanese Patent Publication No. 1-258.
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 an overall box-shaped precast concrete block which has been molded in a predetermined length in a factory in advance. After it is installed on site, it is impacted by a chisel or the like. 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 plate 4 is lifted up by a wire, or vertically adjusted with an adjuster fitting or the like attached to the bottom plate 4,
The mortar 8 is poured into the gap between the base concrete 6 and the foundation concrete 6 by the injection jig 7 such as a funnel, and the bottom slab 4 is set in accordance with the intended drainage gradient.

[0004]

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

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]

The present invention has been made to solve the above-mentioned conventional problems, and easily manufactures a long plate having a complicated upper surface shape. The purpose of the present invention is to provide a product that will not be damaged by impact during manufacturing or transportation, and the gist of the invention is to define the left and right side walls and their upper ends. It is composed of a portal-shaped gutter component made of a connecting top plate and a bottom slab manufactured independently of the gate-shaped gutter component, and is provided in a vertical groove formed on both side walls of the bottom slab. Inserting the tips of the connecting bolts attached to the lower ends of the left and right side walls together and assembling them together so that they can be moved and fixed in the vertical direction, the level adjustment attached to the bottom surface near both ends of the bottom slab is also adjusted. Adjust the bottom plate vertically by rotating the bolt. There be configured with the variable gradient type groove block, wherein.

[0007]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS The present invention will now be described in detail with reference to the embodiments shown in FIGS. 1 to 11. In FIG. 11, reference numeral 11 is a variable gradient type gutter block, and 12 is a variable gradient type gutter block 11.
It is a gate-shaped component for a gutter which comprises.

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.

At the outer corners of the lower ends of the side walls 13, 13, packings 18, 18 are fixed over the entire length of the side walls 13, 13, and further, the side walls 13, 13 are provided.
A plurality of bolt holes 20 in which nuts 19 are embedded are formed in the lower end portion near the both ends of the side wall 13 so as to penetrate the side wall 13 in the horizontal direction. Is inserted into the bolt hole 20, and is screwed with a 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. On both side walls 24, 24, concave grooves 25, 25 extending in the vertical direction are formed at positions facing the connecting bolt 21, respectively. In the figure, 26 is a packing attached to the upper end of the side wall 24 along the longitudinal direction, and 27 is a packing attached along the upper edge of the joining end face 28.

Reference numeral 29 is a vertical hole opened on the lower surface 30 of the bottom plate 22. Two vertical holes 2 are arranged in parallel on one end side of the bottom plate 22.
9, 29, and one vertical hole 29 is formed at the center on the other end side, and the nut 3 embedded in each vertical hole 29.
1, a level adjusting bolt 32 having a hexagonal flange 32A fixed to the center is screwed and hung down. 33 in the figure
Is a crushed foundation stone and 34 is a foundation 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,
When the level can be adjusted by smoothly moving up and down, movement in the longitudinal direction is also prevented, 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 and the bottom slab 22 and the gutter component member 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]

EFFECTS OF THE INVENTION Since the variable gradient type gutter block according to the present invention has the above-described structure, the upper surface shape of the bottom slab thereof is the same as that of the double drainage groove, the common groove, and the curved side groove. Even if it is complicated, even if it is long, it can be easily manufactured, and there are various problems that the yield is good without damage due to impact.

[Brief description of 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.

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

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.

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)

[Claims] 1. A left and right 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 gate-shaped gutter component member, If the front end portions of the connecting bolts attached to the lower end portions of the left and right side walls are inserted into the vertical grooves formed on the both side walls of the bottom slab, and they are assembled together so that they can be vertically moved and fixed. In addition, the variable sloping gutter block is characterized in that the bottom slab is vertically adjusted by rotating a level adjusting bolt mounted on the lower surface near both ends of the bottom slab. 2. Left and right side walls, a top plate for connecting the upper ends thereof, a longitudinal groove formed in the center of the upper surface of the top plate, and a groove provided in the groove at desired intervals. 2. The variable gradient according to claim 1, comprising a gate-shaped gutter component each of which is composed of a rectangular water guiding hole penetrating vertically and a bottom slab manufactured independently of the gate-shaped gutter component. Shaped gutter block.