JPH08284117A - Avalanche-preventing imitation tree provided with cable - Google Patents

Abstract

PURPOSE: To prevent the tilting and falling of each imitation tree and reinforce the imitation trees and improve timbering strength and snow-guard performance and to enhance avalanche-preventive performance and reliability together with a landscape by connecting each adjacent imitation tree by a plurality of cables, coupling the cables by spacing materials, stretching nets among the cables and joining the imitation trees by chord members. CONSTITUTION: In avalanche-preventive imitation trees, in which a plurality of imitation trees 1 formed by annexing branch sections 1b, 1c to trunk sections 1a formed of a steel pipe, etc., are planted onto a slope (s) by pile foundations 2, etc., at least horizontal intervals, a plurality of cables 5 are connected and stretched horizontally to the group of each imitation free 1 adjacent in the horizontal direction at vertical intervals. Each cable 5 is coupled by spacing materials 8 among the imitation trees 1. Nets 7 are stretched among each cable 5, and each imitation tree 1 adjacent in the horizontal direction is joined mutually by chord members 6.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to an avalanche prevention pseudo tree with a cable for preventing avalanche by establishing horizontal intervals or vertical intervals on slopes at risk of avalanche.

[0002]

2. Description of the Related Art Conventionally, on slopes where there is a risk of avalanches, snow fences or fence fence type snow guards that prevent the occurrence of avalanches have been arranged horizontally or vertically. , A pseudo-tree for avalanche prevention has been developed that has a relatively simplified structure and is easy to construct and adapted to the natural environment.

The above-mentioned avalanche prevention pseudo-tree is, for example, as shown in FIG. 3, a trunk portion a formed of a steel pipe or the like, and a branch portion b formed of a large number of steel pipes or the like is directed obliquely upward, and appropriate vertical intervals are provided. A pseudo-tree c formed by forming a bark-like (shape, coloring, etc.) surface of the trunk portion a and each branch portion b by projecting in multiple steps and in multiple directions, and laying on a slope s with horizontal intervals or vertical intervals. The lower end of the artificial tree is fitted to each pile foundation d to establish it, and the upper part of the artificial tree c is connected to the pile foundation e placed on the upper part of the slope by the horizontal stay w to adapt to the natural environment. It has a structure that catches avalanches and prevents avalanches.

[0004]

In the conventional pseudo-trees for avalanche prevention, as described above, the upper part of each pseudo-tree is supported by a horizontal stay, and a large number of pseudo-trees are individually established with horizontal and vertical intervals. Therefore, the horizontal snow pressure due to snow accumulation and the sinking force due to creep deformation are applied to the pseudo-tree, and the pseudo-tree subsides and leans forward to the upper side of the slope, and the left and right loads become uneven due to changes in the slope, etc. The artificial trees are tilted to the left and right and the artificial trees are rotated, and there is a limit to the anti-snow performance of each artificial tree.
There is a problem in reliability.

The present invention was developed in order to solve the above-mentioned problems, and the object of the present invention is to connect adjacent pseudo-trees with a plurality of cables and to stretch them. The spaces are connected with a spacing material, a net is stretched between the cables, and the pseudo trees are connected with chords to prevent tilting and reinforcement of each pseudo tree to enhance the supporting strength and snow stopping performance, and avalanche with landscape. It is to provide an avalanche prevention pseudo tree with a cable that has improved prevention performance and reliability.

[0006]

DISCLOSURE OF THE INVENTION The present invention is directed to an avalanche-preventing pseudo-tree in which a plurality of pseudo-trees formed by attaching branch portions to a trunk formed of a steel pipe or the like are set up on a slope with at least horizontal intervals to establish an avalanche. In the above, a plurality of cables are horizontally stretched by vertically arranging each pseudo tree group adjacent to each other in the horizontal direction,
It prevents tilting and rotation of each artificial tree, and enhances snow stopping performance and reliability.

[0007] Further, each cable is connected between the pseudo trees by a spacing member to secure a space between the cables to further improve the snow stopping performance between the pseudo trees, and a net is stretched between the cables. The snow load is received more effectively together with the cable, and the snow stopping performance and reliability are remarkably improved over the entire area, and the adjacent pseudo trees are horizontally connected to each other with chords to secure the intervals between the pseudo trees. It has been reinforced to further improve snow stopping performance and reliability.

[0008]

[Operation] In a pseudo-tree for avalanche prevention, in which a large number of pseudo-trees formed by attaching branches to the trunk formed of steel pipes, etc. were established on the slopes with at least horizontal intervals, for avalanche prevention pseudo-trees that are horizontally adjacent In addition, since multiple cables are stretched by connecting them horizontally with appropriate vertical intervals, each cable maintains the horizontal spacing of each pseudo-tree and enhances the support strength to prevent tilting and rotation and to establish a standing state. In addition, the anti-snow performance of the artificial wood is enhanced and the anti-snow function is demonstrated even between artificial trees, and the overall anti-snow performance and reliability are demonstrated, such as not significantly impairing the landscape. If a cable is stretched between each artificial tree lined up near the road, it effectively prevents snow from flowing into the road and acts as a fence to prevent intrusion on the slopes in summer and the like.

[0009] Further, each of the above cables is connected between the pseudo-trees by a spacing member, and the spacing between the adjacent cables is secured by the spacing member to further improve the snow stopping performance between the pseudo-trees. A net such as a wire net is stretched between the cables, and the net effectively receives the snow load together with the cables and significantly improves the snow stopping performance and reliability over the entire area. In addition, connecting the adjacent pseudo-trees in the horizontal direction with chords, and securing the spacing between the pseudo-trees with this chord to reinforce them, further improving snow protection and reliability. Avalanche prevention performance and reliability can be obtained.

[0010]

FIG. 1 shows a first embodiment and a second embodiment of the present invention.
FIG. 2 shows a third embodiment and a fourth embodiment. In the drawing, 1 is a pseudo tree in which a large number of branch portions 1b and 1c are attached to a trunk portion 1a formed of a steel pipe or the like, and 2 is a pile foundation formed of a hollow pipe or the like. 3 is an anchor placed on the mountain side of the artificial tree, 5 is a cable stretched between the artificial trees arranged at intervals in the horizontal direction, 6 is a string material (upper string material) connecting the artificial trees, and 7 is each cable Nets stretched between the cables, 8 is a spacing member that connects each cable between the pseudo trees, 9 is a metal fitting for fixing the spacing members, 10 is a stay supporting the pseudo trees, and θ is an upward inclination (angle) of the stay , S are slopes.

In the illustrated first embodiment (see FIG. 1), a plurality of artificial woods 1 formed by attaching branch portions 1b and 1c to a trunk portion 1a formed of a steel pipe or the like are provided on a slope s with at least a horizontal interval and a pile foundation. In the avalanche prevention pseudo tree established by 2 etc., an avalanche prevention pseudo tree with a cable is characterized in that a plurality of cables 5 are horizontally connected to each other in a group adjacent to each other in the horizontal direction with a vertical interval and stretched. It has become.

In the second embodiment (see FIG. 1), each cable 5 is replaced with a pseudo tree 1 in the above-mentioned avalanche prevention pseudo tree with a cable.
An avalanche prevention pseudo tree with a cable is characterized in that it is connected by a space retaining member 8 between them.

The third embodiment (see FIG. 2) is a pseudo avalanche prevention pseudo tree with cables, characterized in that a net 7 is stretched between the cables 5 in the above avalanche prevention pseudo tree with cables. ing.

Further, the fourth embodiment (see FIG. 2) is characterized in that in each of the above-mentioned pseudo-trees for avalanche prevention with a cable, the pseudo-trees 1 which are horizontally adjacent to each other are connected by chords 6. It has become an avalanche prevention tree with a cable.

More specifically, the artificial tree 1 is composed of a trunk portion 1a and a large number of branch portions 1b and 1c. The trunk portion 1a is formed of a steel pipe or the like and appropriately connected by a connecting means such as fitting and welding. The branch portions 1b and 1c are integrally formed to the size, and the branch portions 1b and 1c are integrally formed to an appropriate size by a connecting means such as fitting and welding, which are formed of steel pipes, etc. Integrally project diagonally upward at intervals, paint on the surface of the trunk and each branch, attach a sheet of synthetic resin or wrap a fiber reinforced plastic sheet, etc. It is formed into a pseudo-skin by coloring the system or dark green system and giving unevenness if necessary, and also a cord with leaves or a sheet of the above-mentioned synthetic resin formed with leaves or a fiber-reinforced plastic sheet Etc. on the upper part of the branches and trunks of the artificial tree By placing the leaves more natural lignified or (not shown) to 擬木, by fixing the base plate to be placed on a slope s in the lower part of the stem to prevent subsidence and tilting of 擬木 (not shown). The artificial tree 1 is established by a pile foundation 2 such as a pipe anchor cast on the slope s or a concrete foundation (not shown).

In order to establish the artificial tree 1, preferably, a pile foundation 2 (pipe anchor etc.) with teeth 2a as shown in the figure which is easily driven on the slope s is applied, and the artificial tree is placed on the piled foundation 2 above. The lower part of the trunk portion 1a of No. 1 is fitted and fixed to establish. If necessary, it can be detachably fixed so that the artificial wood can be pulled out at any time in summer or the like, or integrally connected by means such as welding. In addition, when the scaffolding on the slope is good, a concrete foundation (not shown) is laid and the lower part of the trunk portion 1a of the artificial tree is buried to establish it.

In the first embodiment of FIG. 1, a pile foundation 2 with teeth 2a is placed on the slope s, and the trunk 1 of the artificial tree 1 is placed on the pile foundation 2.
The lower part of "a" is fitted and fixed, and it is established in a properly embedded state. An anchor 3 is placed on the mountain side of this artificial tree, and at least the upper part of the artificial tree 1 is sleeved to the anchor 3 with a stay 10 (wire rope etc.). It can be easily constructed by connecting and supporting with 6 metal fittings (not shown). As shown in the figure, the stay 10 has a structure in which the upper part of the pseudo tree 1 is supported by inclining upward by 10 to 45 °, and the middle part and the lower part of the pseudo tree is also supported by the stay that is inclined upward as necessary. The artificial wood 1 is arranged in rows on the slope s with appropriate horizontal intervals, and is arranged in multiple stages with vertical intervals.

Furthermore, a plurality (three in the illustrated example) of cables (various wire ropes, etc.) 5 are appropriately provided to each group of pseudo trees which are horizontally arranged adjacent to each other on the slope s with a suitable horizontal interval. It will be installed horizontally with the vertical intervals of the above and stretched, and it will be installed on the avalanche prevention artificial tree with cables to catch the snow and prevent avalanches. Each cable 5 is connected to the trunk portion 1a of each artificial tree 1 by an appropriate connecting means, and the left and right branch portions 1c of each artificial tree 1 are connected.
It is arranged on the valley side of the tip end of each of the left and right sides to receive and support the left and right branch portions 1c to which a snow load is applied.

In the pseudo-tree structure for preventing avalanche with cable of the first embodiment, as shown in FIG. 1, since each pseudo tree 1 is supported by the stay 10 having an appropriate upward inclination,
Even if a diagonal downward load (snow pressure in the horizontal direction and a sinking force due to creep deformation) is applied to the snow, the stay 10 effectively functions as a reaction force in the same direction and effectively receives the above load. By preventing the artificial tree from sinking or leaning forward and supporting the lower part by stays as shown in the figure, the artificial tree 1 is kept upright even if the anchoring force of the lower part of the artificial tree decreases due to the collapse of the slope s, etc. Improves anti-snow performance.

Further, each of the stretched cables 5 connected between the pseudo trees 1 can be expanded as required, and the horizontal spacing between the pseudo trees is maintained to enhance the support strength and prevent left and right tilts and rotations. It supports the branches 1c of the tree to improve the snow stopping performance, further improves the snow stopping performance of the artificial trees 1 and exerts the snow stopping function between the artificial trees 1, and thus the scenery is not particularly spoiled. Demonstrate anti-snow performance and reliability. Further, if a cable 5 is stretched between the artificial trees 1 arranged near the road, it effectively prevents the snow from flowing into the road, and serves as a fence for preventing the invasion of the slope s in summer or the like.

The second embodiment shown in FIG. 1 (see FIG. 1) is characterized in that, in the avalanche prevention pseudo tree with a cable, the cables 5 are connected between the pseudo trees 1 by a spacing member 8. Have.

Various types of steel materials, synthetic resin materials, wood materials, etc. are applied to the spacing material 8 and the cables 5 and the chord materials 6 are connected between the pseudo woods 1 by appropriate fixing metal fittings 9. And install them vertically with multiple intervals provided as necessary to secure the intervals between the cables 5 and prevent their descending.
Further improve the anti-snow performance between each artificial tree.

In the illustrated third embodiment (see FIG. 2), each cable 5 is used in the above-described avalanche prevention pseudo tree with cables.
It is characterized in that a net 7 such as a wire net is stretched between the two.

The net 7 is stretched over the entire surface between the plurality of cables 5 by an appropriate means, and the cables 5 are
At the same time, the snow stopping performance is remarkably improved over the entire area, and the inflow of snow to the road is prevented as described above, which serves as a fence or the like for preventing the invasion of the slope s in summer and the like.

Further, the illustrated fourth embodiment (see FIG. 2),
The above-mentioned pseudo-tree for avalanche prevention with a cable is characterized in that the pseudo-trees 1 that are adjacent to each other in the horizontal direction are connected by chords 6.

As the chord material 6, various shaped steel materials, steel pipes and the like are applied, and the upper chord material is formed by connecting the upper portions of the pseudo-trees 1 by appropriate fixing means, and is provided between the intermediate portions of the pseudo-tree 1 as required. It is also possible to secure the space between each pseudo-tree and reinforce it.
The cable 5 is held at an appropriate height via the spacing member 8 to prevent the cable 5 from sinking, thereby improving snow stopping performance and reliability.

In each of the illustrated embodiments, the trunks and branches of the pseudo-tree can be bent as required to further naturalize the tree. Also, artificial wood, cables, nets, chords, etc. are colored with brown or dark green on the surface by the same means as described above if necessary, and various leaves are arranged or vines are wound from the slope. Adapt to the natural environment. The present invention can be easily attached to an existing artificial tree group, and each embodiment is selected and implemented in accordance with the state of snowfall or avalanche occurrence.

[0028]

INDUSTRIAL APPLICABILITY The present invention is directed to an avalanche prevention pseudo tree which is established by a pile foundation or the like by arranging a plurality of pseudo trees formed by attaching branch portions to a trunk formed of a steel pipe or the like as described above. , A plurality of cables are horizontally connected to each other in the horizontally adjacent pseudo-tree groups with a vertical gap between them to maintain the horizontal spacing of each pseudo-tree with each cable to increase the support strength and prevent tilting and rotation. By stabilizing the establishment condition and effectively increasing the anti-snow performance between the pseudo trees together with each pseudo-tree, and not particularly impairing the landscape, the anti-snow performance and the reliability are greatly improved together with the landscape.

In addition, each cable is connected between the pseudo trees by a spacing member to secure the space between the cables to further improve the snow stopping performance between the pseudo trees, and a net such as a wire net is stretched between the cables. In addition, the snow load is received more effectively together with the cable, and the snow stopping performance and reliability are remarkably improved over the entire area.Furthermore, the pseudo woods are connected with chords to secure the space between the pseudo woods for reinforcement. Further improved snow stopping performance and reliability.
In addition, if a cable is stretched between the artificial trees lined up near the road, it will prevent snow from flowing into the road and will serve as a fence to prevent intrusion on the slopes during the summer, etc. Provided at low cost.

[Brief description of drawings]

FIG. 1 is a side view (A) and a plan view (B) showing a first embodiment and a second embodiment of the present invention.

FIG. 2 is a side view (A) and a plan view (B) showing a third embodiment and a fourth embodiment.

FIG. 3 is a front view (A) and a plan view (B) showing a conventional example.

[Explanation of symbols]

 1 Pseudo wood 1a Trunk 1b, 1c Branch 2 Pile foundation 5 Cable 6 Chord 7 Net 8 Spacing material s Slope

Claims (4)

[Claims] 1. In an avalanche-preventing pseudo-tree established by a pile foundation or the like, a plurality of pseudo-trees formed by attaching branch portions to a trunk formed of steel pipe or the like are horizontally adjacent to each other. An avalanche prevention pseudo tree with a cable, in which multiple cables are horizontally connected to each other at a vertical interval in a pseudo tree group and stretched. 2. The avalanche prevention pseudo tree with a cable according to claim 1, wherein each of the cables is connected by a spacing member between the pseudo trees. 3. The avalanche prevention pseudo tree with a cable according to claim 1 or 2, wherein a net is stretched between the respective cables. 4. The avalanche prevention pseudo-tree with a cable according to claim 1, claim 2 or claim 3, wherein the pseudo-trees that are horizontally adjacent to each other are connected by a string material. An artificial avalanche tree with cable.