JPH0542112Y2 - - Google Patents

Description

[Detailed description of the invention] (Field of industrial application) The present invention relates to a sheet for preventing slopes of river embankments from collapsing due to water leakage and erosion during floods such as typhoons.

(Prior art) Conventionally, in order to prevent slopes such as river embankments from collapsing due to water leakage and erosion during floods such as typhoons,
Sheeting work is being carried out on the slope. This seat upholsterer is responsible for the seat upholstery, as shown in Figure 4.
(vinyl sheet, etc.) 1 is tied to a plurality of bamboo frames 2, the sheet 1 is rolled up into a gridiron using the sandbag 3 for weight at the bottom end as a core, and a retaining stake 6 is driven above the top end 5 of the embankment 4. A plurality of strings 7 attached to the bamboo frame 2 are tied to this retaining stake 6, and while loosening the rope 8, the sheet 1 is lowered onto the slope 9 of the embankment 4 using the weight of the sandbag 3 as shown in FIG. It is a method of construction. (As a prior art, there is Utility Model Publication No. 53-44270.) (Problem to be solved by the invention) By the way, the sheet 1 used in the above-mentioned sheet upholstery has a large number of weight sandbags 3 attached to it. Since it is inconvenient to store the sandbag in a slatted shape except when necessary for flood protection work, the sandbag 3 is removed and the sheet 1 is folded.
Therefore, during flood prevention work, 3 sandbags are placed on 1 sheet.
After installing and wrapping it with slats, the top of the embankment
Since it was lowered using a rope 8, it was time-consuming in case of an emergency, and the workability was poor.

(Purpose of the invention) The present invention was made to solve the above-mentioned problems.It can be easily suspended from the top of the embankment in an emergency, is easy to install, is easy to install, and can be folded when not in use. To provide a sheet for preventing levee water leakage and scouring that is convenient to store and easy to assemble and manufacture.

(Means for Solving the Problems) The sheet for preventing levee water leakage and scouring of the present invention to solve the above-mentioned problems is such that a plurality of rectangular metal mesh sheets are connected to the upper and lower ends of the metal mesh sheets. The joint members are inserted into the joint rings through a plurality of joint rings that can be inserted into the joint rings, and a weight member is attached to the lower end of the lowest metal mesh sheet, and each of the joint members and the weight member are connected to each other. A retaining metal fitting is attached to both ends, and two hanging ropes are passed through both ends of the joint member, and the tips thereof are fixed to the weight member.

(Function) The embankment leakage and scouring prevention sheet of the present invention configured as described above has a plurality of rectangular metal mesh sheets connected in a hinge-like manner by a joint ring and a joint member inserted through the joint ring. When not in use, the metal mesh sheets can be stacked one on top of the other and folded, making it convenient for storage. In addition, in the event of an emergency during flood protection work, a folded sheet for preventing leakage and scouring can be placed on top of the top of the bank, and a hanging rope is attached to a stopper stake driven above the top. By using the weight of the utility material and dropping it from the top of the embankment, the sheet for preventing embankment water leakage and scouring is deployed on the slope, so it can be hung quickly and easily from the top to the slope. It can be done easily and has good workability.

Furthermore, when the levee leakage and scouring prevention sheet of the present invention is to be removed when the water level of the river has fallen, it can be removed from below by pulling the hanging rope and pulling up the weighting material at the lower end, contrary to when in use. Each metal mesh sheet is pulled up one after another and is finally folded up while standing on the top of the embankment, so all that is left is to remove the hanging rope from the stop pile and immediately remove and transport.

(Example) An example of the embankment leakage and scouring prevention sheet of the present invention will be described with reference to FIG. 1. Reference numeral 10 denotes a rectangular metal mesh sheet, in this example expanded metal. These four expanded metals 10 are superimposed next to each other through four joint rings 11 that can be inserted into meshes on both left and right sides of the center of the upper and lower ends, and on both left and right ends, that is, the joint rings 11 that are mutually piled are stacked next to each other, Each of the polymerized joint rings 11
A joint pipe 12 is inserted therein as a joint member and connected. Note that the joint pipe 12 is also inserted through the joint ring 11 on the upper end side of the expanded metal 10 in the uppermost stage. A large-diameter pipe 13 is inserted as a weight member through four large-diameter joint rings 11' which can be inserted into the meshes on both left and right sides of the central part of the lower end of the uppermost expanded metal 10 and on both left and right sides.

Four large-diameter coupling rings 11' that can be inserted into the meshes on both left and right sides of the center part of the lower end and on both left and right ends are provided with flanges 14 as retaining fittings at both ends of each of the joint pipes 12 and the large-diameter pipes 13. Large diameter flange 15
are fixed respectively. and two hanging ropes 16
wrapped around both ends of the spliced pipe 12,
The tip is tied to both ends of the large diameter tube 13.

The embankment leakage and scouring prevention sheet of the embodiment constructed as described above is made of four sheets of expanded metal 10
are successively connected in a hinge-like manner by the joint ring 11 and the joint pipe 12, so when not in use, the expanded metal 10 can be folded in a zigzag pattern as shown in Figure 2, making storage convenient. be. In addition, when preventing the slope of an embankment from being eroded and collapsed due to floods caused by typhoons, etc., the folded embankment leakage and scouring prevention sheet of the embodiment can be used as a third layer.
As shown in Figure a, it is erected on the top 5 of the embankment 4, the hanging rope 16 is attached to the retaining stake 6 driven into the top 5, each expanded metal 10 is kicked off, and the weight and strength material for the weight are lifted. Using the weight of the large-diameter pipe 13, it is dropped from the top 5 of the embankment 4 with force. Thus, each expanded metal 10
As shown in Fig. 3b, the large-diameter pipe 13 rolling on the slope 9 leads to the pipe unfolding and falling down, and finally, as shown in Fig. 3c, it falls down on the embankment 4. Each expanded metal 10 is laid down on the slope 9, and the entire sheet for preventing levee water leakage and scouring is expanded to protect areas at risk of collapse due to erosion and water permeation.

In this way, the sheet for preventing levee water leakage and scouring can be easily and quickly suspended from the top 5 to the slope 9 in the event of an emergency during flood protection construction, so construction can be carried out without much effort. Improves sex.

Furthermore, when the metal mesh sheet is the expanded metal 10 as in the embodiment, it is rigid and does not bend, so it can be unfolded when in use and folded when not in use smoothly and easily.

In addition, when the water level of the river decreases and the sheet for preventing embankment water leakage and scouring is removed, the hanging rope 16
By pulling up the large-diameter pipe 13, which is a weight member at the lower end, each expanded metal 10 is raised from below one after another, contrary to the way it is used, and finally reaches the top of the embankment 4. 5. Folded while standing upright. Therefore, retaining stake 6
Remove the hanging rope 16 from the
It can be removed.

In addition, in the above embodiment, the metal mesh sheet is expanded metal 10, but lattice wire mesh,
It may also be a diagonal wire mesh, a reinforcing bar mesh with a small mesh, or the like. Further, in the above embodiment, the joint member that connects the expanded metal 10 is the joint pipe 12, but the joint member is not limited to this, and may be a rod or the like. Further, in the above embodiment, a large diameter tube 13 is used as the weight member, but a small diameter solid rod may also be used. Further, in the above embodiment, the hanging rope 16 is wound around the joint pipe 12, but a through hole is made in the joint pipe 12 and the hanging rope 16 is wound around the joint pipe 12.
6 may be passed through.

(Effects of the invention) As described above, the sheet for preventing levee water leakage and scouring of the present invention has a plurality of metal mesh sheets connected in a hinge shape, so when not in use, each metal mesh sheet is stacked one on top of the other. It can be folded for convenient storage. In addition, in the event of an emergency during flood prevention work, a folded levee leakage and scouring prevention sheet can be erected on the top of the levee, and a hanging rope can be attached to a stopper stake driven into the top of the levee. Since the sheet is spread out on the slope by kicking it off the top of the embankment, it can be quickly and easily hung from the spread edge onto the slope, providing excellent workability. Furthermore, in order to remove the levee leakage and scouring prevention sheets extended from the slope, each metal mesh sheet is pulled up one by one by pulling the hanging rope and lifting the weighting member at the lower end. Eventually, it will be folded up so that it stands on the top of the embankment, so all that is left to do is remove the hanging rope from the retaining stake and it can be immediately removed. Further, when the metal mesh sheet is made of expanded metal, it is rigid and does not bend, so it can be unfolded when in use and folded when not in use smoothly and easily. Furthermore, the embankment leakage and scouring prevention sheet of the present invention has a simple structure, in which existing metal mesh sheets are connected with a joint ring and a joint member.
It is easy to manufacture because it can be assembled by simply attaching a weighting member to the lower end and fixing the end of the suspension rope to the weighting member via a joint member.

[Brief explanation of the drawing]

Fig. 1 is a developed plan view showing one embodiment of the sheet for preventing embankment water leakage and pre-excavation of the present invention, Fig. 2 is a perspective view showing the folded state of the sheet for preventing embankment water leakage and pre-excavation, and Fig. 3a ~c is a perspective view showing the process of rolling out the sheet for preventing levee water leakage and pre-excavation on the slope of the levee; FIG.
FIG. 5 is a perspective view of the slatted sheet rolled out on a slope. 10... Expanded metal (reticular sheet),
11, 11'...Joint ring, 12...Joint pipe (joint member), 13...Large diameter pipe (weight member),
14, 15...flange (retainer), 16
...hanging rope.

Claims (1)

[Scope of utility model registration request] A plurality of rectangular metal mesh sheets are connected by inserting a joint member into the joint rings through a plurality of joint rings that can be inserted into the meshes at the upper and lower ends of the metal mesh sheets, and the lowermost metal mesh sheet is connected. Attach a weight member to the lower end of the member, attach retaining metal fittings to both ends of each of the joint members and the weight member, and pass two hanging ropes through both ends of the joint member so that the tip ends are connected to the weight member. Fixed sheet to prevent levee leakage and scouring.