JP2001011836A - Gabion and construction method - Google Patents

Abstract

PROBLEM TO BE SOLVED: To contrive the closure of a revetment opening part by slidably attaching the rear part of a strip-like cover netting extended frontward from the lower face of the front part of a bottom net through the lower part of a front side net on the bottom net. SOLUTION: In the staircase part of a revetment juxtaposing a gabion 7 at stages, a strip-like netting cover 3 is extended frontward through the lower part of a front side netting 2 from the lower face of the front part of the bottom netting 1 of an upper stage gabion 7, and the staircase part is closed to prevent the outflow of rubble stones or the like. Next, the netting 3 is formed in the form of a long strip in the direction of the netting 2, and the length is substantially the same as the netting 2 or slightly longer than the netting 2. Next, the rear part of the netting 3 is overlapped on the lower part of the front face of the netting 1, upper and lower substantially parallel netting wires 4 are inserted in a common spiral annulus 5 to be loosely attached, and the netting 3 can be slid in before and behind, right and left and obliquely. Thereby even on the curved part of a revetment, the opening of a staircase part can be surely closed.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a futon basket for closing a step portion of a futon basket stacked in a stepped manner, and a method of constructing a futon basket.

[0002]

2. Description of the Related Art Conventionally, the stairs of upper and lower futon baskets are sometimes straight, but they are meandering or curved depending on seawall conditions, and the front net of the futon baskets is moved forward by the weight of the rubble stone to be put. It may be curved.

[0003] A rectangular lid net is closed with the width (interval) between the upper edge of the lower front net of the futon basket and the lower edge of the upper front net closed.
Moreover, it was difficult to close the opening adjacent to the curved portion with a strip-shaped lid net.

[0004]

SUMMARY OF THE INVENTION It is an object of the present invention to provide a futon basket in which upper and lower stairs have uneven widths in front and rear and an opening thereof is closed by a strip-shaped lid net provided in the futon basket.

[0005]

In order to achieve the above object, the present invention comprises a strip-shaped lid net extending from the lower front surface of the bottom net through the lower front net and extending in the direction of the front net. A futon basket according to the first aspect of the present invention, wherein the rear part of the lid net is loosely attached to the bottom net so as to be slidable in the front, rear, left and right directions, and the length of the strip-shaped lid net is the same or almost the same as the front net. The upper and lower substantially parallel nets of the futon basket according to the first aspect of the present invention have an inner diameter larger than the wire diameter of the net at the overlapping portion of the bottom net and the strip-shaped lid net, wherein the length of the strip-shaped net is slightly longer than the front net. The futon basket according to any one of the first to third aspects of the present invention, which is loosely inserted through a common spiral ring. The strip-shaped lid net according to the second aspect and the strip-shaped lid net according to the third aspect. A method of constructing a futon basket, characterized by closing the stair openings of the upper and lower futon basket stairs at the curved portion by overlapping the adjacent portions at both ends. 3 composed of futon basket construction method characterized by closing the futon basket staircase openings of the upper and lower in the invention curved portion at one end adjacent portion of the strip-shaped lid network by sequentially polymerizing according.

[0006]

BEST MODE FOR CARRYING OUT THE INVENTION A front and rear side net 2, 2 'and a right or left side net 2 "are erected on three sides of a rectangular bottom net 1 in a U-shape.
To form

This futon basket 7 is arranged in parallel with the ground 8 such as a river.
9 and the like are charged and filled in a stepwise manner as shown in FIG. 4 in the order of FIGS. 3 (a), 3 (b) and 3 (c) to form a stepwise seawall.

[0008] The staircase portion 10 of this step-like revetment is composed of 9
Is exposed, the strip-shaped lid net 3 extends forward from the front lower surface of the bottom net 1 of the upper futon basket 7 and below the front net 2 to close the stair portion 10, and the outflow of the exposed stones 9 etc. Suppress.

The strip-shaped lid net 3 has a strip shape elongated in the direction of the front side net 2, and its length is almost the same as shown in FIG. 1 (a) or is equal to FIG. 1 (b) (c) and FIG. As shown in FIG. 2A, the lid net 3 is used slightly longer than the front net 2.

The rear part of the strip-shaped lid net 3 is overlapped on the lower surface of the front part of the bottom net 1, and the upper and lower substantially parallel mesh lines 4 are formed at the overlapped portion.
4 is inserted into the common helical ring 5 and freely loosened, and the inner diameter of the helical ring 5 is made larger than the diameter of the mesh wires 4, 4 so that the lid net 3 is attached to the bottom net 1. Are freely and slidably (represented by two-dot chain lines in FIG. 2B) obliquely in the front-rear, left-right and oblique directions.

The futon baskets 7 are stacked in a stepwise manner as shown in FIG. 4, and are placed on the actual futon baskets 7 as shown in FIGS. 3 (a), (b) and (c). When placing the
The stair portion 10 is closed by the lid net 3 by adjusting the lid net 3 in parallel sliding or skewed sliding back and forth, and after closing, the upper edge of the lower front net 2 and the lid are closed by a long spiral wire 11 after closing. The front edge of the net 3 is connected, and the rear edge of the lid net 3 and the bottom net 1 in the upper stage are connected.

In a meandering or curved portion of a river or the like, futon baskets 7, 7, 7 are arranged side by side along a curved curve as shown in FIG. 5 (a), and a strip-shaped lid slightly longer than the front net 2 in the center. Using a net 3, on both sides thereof, strip-shaped lid nets 3 and 3 having the same length as the front side net 2
Is used to close the opening 6 (see FIG. 6) of the adjacent step portion 10.

Further, as shown in FIG. 5 (b), by moving the adjacent strip-shaped lid net 3 to one side, the right end of the lid net 3 is overlapped with the adjacent lid net 3, and the stairs generated by the curve of the seawall. The opening 6 of the part 10 (see FIG. 6) can be closed.

[0014]

As described above, according to the present invention, the strip-shaped lid net is loosely attached to the front lower surface of the bottom net of the futon basket so as to be slidable in the front, rear, left and right diagonal directions. There is an effect that the stairs can be closed according to the front and rear width of the stairs.

Further, since the present invention employs the above-described construction method, the opening of the step portion is securely closed by the strip-shaped lid net even when the river is stacked in a stepped manner at the meandering or curved portion of the river. Has the effect of preventing outflow of chestnut stone and the like.

[Brief description of the drawings]

FIGS. 1A and 1B are perspective views showing a futon basket of the present invention. The figure (c) is a bottom view of the figure (b).

FIG. 2 (a) is a partially enlarged view of FIG. 1 (c).
FIG. 2B is a bottom view of FIG.

FIGS. 3A, 3B and 3C are side views of a futon basket stacking step.

FIG. 4 is a vertical sectional side view of the step-like futon basket.

FIGS. 5A and 5B are plan views of a strip-shaped lid net connection method at a curved portion.

FIG. 6 is a plan view showing an open state of a step portion in a conventional curved portion.

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 1 Bottom net 2 Front side net 3 Strip-shaped lid net 4 Almost parallel net line 5 Common spiral ring 6 Step opening

Claims (6)

[Claims] The present invention further comprises a strip-shaped lid net extending forward from a front lower surface of a bottom net via a front net, and extending in a direction of the front net. A futon basket loosely slidably attached. 2. The futon basket according to claim 1, wherein the length of the strip-shaped lid net is the same or substantially the same as the front net. 3. The futon basket according to claim 1, wherein the length of the strip-shaped lid net is slightly longer than the front net. 4. The method according to claim 1, wherein upper and lower substantially parallel mesh wires are inserted into a common spiral ring having an inner diameter larger than the wire diameter of the mesh wire at the overlapping portion of the bottom net and the strip-shaped lid net and loosely attached. 3. The futon basket according to any one of 3. 5. The strip-shaped lid net according to claim 2, and claim 3.
A method of constructing a futon basket, characterized in that upper and lower futon basket staircase openings in a curved portion are closed by overlapping the end portions of the strip-shaped lid net described above. 6. A futon basket construction method according to claim 3, wherein one end adjacent portion of the strip-shaped lid net is sequentially overlapped to close upper and lower futon basket staircase openings in the curved portion.