JP2801544B2 - Variable slope side gutter - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a substantially inverted U which is mainly constructed as a drainage channel on a road shoulder, other slopes, a street side ditch, or the like.
The present invention relates to a variable slope type gutter of a type in which the bottom is formed by cast-in-place of concrete on the bottom during construction in the shape of a gate (gate).

[0002]

2. Description of the Related Art A conventional example of a variable slope type gutter is shown in FIG. 9, in which a substantially inverted U-shaped gutter main body 1 is installed on a construction surface excavated far wider than the width of the gutter. The wedge piece 2 called a camber is pushed under the inverted U-shaped gutter main body to adjust the height, the next inverted U-shaped gutter main body is arranged, and concrete serving as the bottom 3 of the gutter is placed inside. They are to be cast. Since the bottom is formed by cast-in-place of concrete instead of precast, it is easy to make a water flow gradient, and it is characterized by low cost construction.

[0003]

However, as can be seen in FIG. 9, a work space is required for easy work other than the width of the gutter main body. Further, since the construction work is also performed in a narrow place, it is difficult to perform the work using wedge pieces such as a bar. Also, if the shape is inverted U
Because it is shaped like a gate (gate-shaped), it sometimes cracked near the center when impact or gravity was applied to the bottom from the left or right during transportation.

[0004]

SUMMARY OF THE INVENTION Accordingly, the present invention provides a substantially inverted U
A beam is provided between the lower ends of both side walls of the V-shaped side groove main body, and a height adjusting bolt is provided to the beam to form a variable slope side groove. The beams are preferably attached to the bottom surfaces of the lower ends of both side walls, but may be provided so as to penetrate between the lower ends of both side walls. The height adjusting bolt provided for the beam may be located at any position inside and outside the right and left side walls of the U-shaped side groove main body. The beam is not particularly limited in material, but channel steel is preferable in view of strength.

The height adjusting bolt is preferably supported by a washer provided on the grounding surface. Further, the substantially inverted U-shaped side groove main body may be placed on the precast bottom plate, and the height adjusting bolt may be supported on the precast bottom plate.

[0006]

[Effect] A beam is provided between the lower ends of both side walls of the substantially inverted U-shaped side groove main body, and a height adjusting bolt is screwed into the main body so that the left and right side walls can be adjusted up and down. If it is not provided, the height can be adjusted by turning the height adjustment bolt with a tool such as a box wrench or spanner from the front and rear openings and the like. Therefore, there is no need for a work space for a person to enter the side of the gutter main body. Further, an accident such as a person being trapped under the gutter main body is eliminated.

[0007] Since the lower end between the side walls of the substantially inverted U-shaped side groove main body is supported by the beam, the center of the inverted U-shaped side groove main body is not bent.

When the height adjusting bolt is supported by a washer provided on the ground surface or on a precast bottom plate, the height can be adjusted without sinking even when the installation ground is soft.

[0009]

1 is a perspective view of an embodiment of a gutter body for a variable slope type gutter according to the present invention, FIG. 2 is a plan view thereof, FIG. 3 is a front view thereof, and FIG. 4 is a right side view thereof. As seen in this example, in the variable slope type gutter of the present invention, a beam 4 is provided between the lower ends of the side walls 1a, 1b on both sides of the substantially inverted U-shaped gutter main body 1,
A height adjusting bolt 5 is screwed into a screw hole provided near the inner surface of the side wall 1a, 1b of the beam 4. In this example, the beam 4 is flattened at both ends of a grooved steel material with a lip and screwed to the back surfaces of the side walls 1a and 1b. A total of four height adjusting bolts 5 are screwed into two beams 4 provided in parallel in the length direction of the side groove main body, and nuts 6 are screwed into them to increase stability. . To adjust the height, insert a box wrench into the groove cover hole 8 on the upper surface of the height adjustment bolt 5,
May be turned, or may be turned with a spanner using the opening of the side groove main body 1.

In the above embodiment, the height adjusting bolt 5 is screwed into the inside of the side walls 1a, 1b on both sides of the side groove main body 1, but as shown in FIG. 5, the beam 4 is extended to both sides of the side walls 1a, 1b. Thus, the adjustment bolt 5 may be provided so as to be vertically adjustable outward and in the vicinity of the side walls 1a and 1b. In this example, the beam 4 uses a channel steel facing downward.

When the height adjusting bolt 5 is supported by a washer 7 provided on the grounding surface as shown in FIG. 6, it is possible to prevent the bolt from sinking. A holding frame having a bolt insertion hole is provided on the upper surface of the washer 7 to prevent escape.

The inverted U-shaped side groove main body 1 whose height has been adjusted by the above-described means has a mortar cast therein so as to give an appropriate hydraulic gradient as shown in FIG. Adjustment bolts are formed on the concrete bottom 3. With such a strong box-shaped structure, even if the vehicle runs on the upper surface, it can withstand sufficiently, and in addition to the drainage function, the road width can be effectively used. When there is a difference in earth pressure on both side surfaces of the substantially inverted U-shaped side groove main body 1 (one surface is low ground or soft ground as shown in FIG. 7), a high earth pressure is applied to the overhanging bottom plate 10 to substantially apply. Reverse U
It is preferable to prevent the V-shaped side groove main body 1 from tilting.

In the example shown in FIG. 8, the substantially inverted U-shaped side groove main body 1 is placed on the precast bottom plate 9, and the height can be adjusted on the precast bottom plate 9 by the height adjusting bolts 5 as in the previous examples. This is an embodiment of the present invention. Precast bottom plate 9
Is formed such that the above-mentioned portion serving as the concrete bottom 3 becomes a ridge.

[0014]

According to the present invention, it is not necessary to excavate widely when constructing a variable slope gutter, and it is possible to carry out construction while adjusting the height of the ground so that a substantially inverted U-shaped gutter main body can be placed even in a place where the construction is narrow. Can be. The gutter main body did not crack, and safe construction was made possible without any danger during construction.

[Brief description of the drawings]

FIG. 1 is a perspective view of an embodiment of a gutter main body for a variable slope type gutter according to the present invention.

FIG. 2 is a plan view of the same.

FIG. 3 is a front view of the same.

FIG. 4 is a right side view of the same.

FIG. 5 is a partial perspective view of an example in which an adjustment bolt is provided outside near a side wall.

FIG. 6 is a perspective view of a washer.

FIG. 7 is a side view of an embodiment of a variable slope type gutter.

FIG. 8 is a perspective view of an example in which a substantially inverted U-shaped side groove main body is mounted on a precast bottom plate before assembly.

FIG. 9 is a side view showing a state at the time of construction of a conventional variable slope gutter.

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 1 Gutter main body 1a Side wall 1b Side wall 4 Beam 5 Height adjustment bolt 6 Nut 7 Washer 8 Slot cover hole 9 Precast bottom plate

──────────────────────────────────────────────────続 き Continuation of front page (56) References JP-A-64-48942 (JP, A) JP-A-63-130574 (JP, U) (58) Fields investigated (Int. Cl. ⁶ , DB name) E03F 5/04

Claims (3)

(57) [Claims] 1. A variable gradient side groove comprising a beam provided between lower ends of both side walls of a substantially inverted U-shaped side groove main body, and a height adjusting bolt provided on the beam. 2. A variable slope type groove formed by supporting the height adjusting bolt according to claim 1 with a washer provided on a ground contact surface. 3. A variable gradient side groove comprising the substantially inverted U-shaped side groove main body according to claim 1 mounted on a precast bottom plate, and a height adjustment bolt supported on the precast bottom plate.