JPH07216829A - Falling stone guiding fence - Google Patents

Abstract

PURPOSE:To improve the prevention of falling stones and the like, guiding performance and reliability as well as constructing performance by erecting a group of supports along the side edge part of the slope of a valley, ridge or the like, and providing reinforced wire gauze as falling stone guiding wire gauze along the side edge part of the slope so as to receive and guide the falling stones and the like effectively while cushioning them. CONSTITUTION:Plural supports 1 are erected at spaces apart and supported along at least one side edge part of the slope (a) of a valley, ridge, or the like. The upper edge part of wire gauze 10 with reinforcing ropes 9a, 9b, 9c is connected to the upper part of each support 1 and supported in the suspended state, and the lower edge part of the wire gauze 10 is anchored (8) to the slope (a) side so as to stretch the wire gauze 10 obliquely toward the slope (a). The wire gauze 10 is thus provided along the side edge part of the slope (a) so as to be formed into a falling stone guiding wire gauze 10 for receiving falling stones (c) and the like while cushioning them. The tip part of a hanging rope 3 connected to the upper part of each support 1 is anchored (4) to the outside of the slope (a) and supported, and the tip parts of lateral balance ropes 5 connected to the upper part of each support 1 are respectively anchored to the slope (a) side of each support 1 and the lower side of the wire gauze 10 and supported.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention is characterized in that a wire net with an upper reinforcing rope is stretched as a rockfall guide wire net by a group of columns along a side edge of a slope such as a river or a ridge where there is a risk of rockfall. It is related to the falling rock guide fence that we have.

[0002]

2. Description of the Related Art Conventionally, on a relatively steep slope close to a road or the like where rocks may fall, columns are erected horizontally at the upper part of the slope, and each column is supported by hanging ropes. Then, the upper part of the wire mesh reinforced by incorporating a number of vertical and horizontal ropes is connected to and suspended from the group of columns, and both sides and the lower part of this wire mesh are anchored to the slope, and the wire mesh is reinforced by the slope. There is a rock fall protection net that covers the entire surface and absorbs and receives the falling energy of falling rocks. Or
A plurality of columns are erected at a horizontal interval on the lower part of the slope or in the middle part, and a plurality of horizontal ropes are arranged at a vertical interval on this column group and a wire net is installed and stretched, and a wire net reinforced by the horizontal rope group. There is a rock fence and the like to receive rockfalls in a buffer.

[0003]

[Problems to be Solved by the Invention] A conventional rockfall protection net is
As mentioned above, it becomes a large-scale structure over the entire surface of the slope, and it is necessary to dispose a large number of columns and anchors on a relatively weak slope, which requires a lot of labor and time, which is extremely dangerous work. Construction accuracy, support pillar, support strength of wire mesh,
There is a problem in reliability. The conventional rock fence is relatively small in size because it is horizontally arranged on the lower side or the middle part of the slope as described above, but the construction of the pillar on the slope and the anchor of the supporting rope are the same work. It is easy to damage by directly receiving falling rocks, and there is a problem in reliability and durability, and both do not have a special function to prevent falling rocks from jumping out of the slope and falling. There are challenges.

The present invention was developed in view of the above-mentioned circumstances, and the object thereof is to build a reinforced wire netting by building a group of columns along the side edge of a slope such as a swamp or a ridge. Along with a rockfall guide wire net, it effectively buffers and guides rockfalls on slopes, and provides a rockfall guide fence with improved workability as well as prevention of rockfalls, guidance performance, and reliability.

[0005]

SUMMARY OF THE INVENTION According to the present invention, a plurality of struts are built up and supported along at least one side edge of a slope such as a swamp or a ridge, and a reinforcing rope is attached to the upper portion of each stanchion. While connecting and suspending the upper edge of the wire net, the lower edge of the wire net is anchored to the slope side and stretched diagonally toward the slope, and the same wire mesh is laid along the side edge of the slope and the rock falls. By constructing a rockfall guide wire net that buffers, etc., with relatively good scaffolding and strong ground part, a group of columns and reinforced wire nets are easily laid along the side edge of the slope as a rockfall guide wire net with high accuracy. In addition to the workability, it effectively enhances rock fall catching guidance performance and reliability.

In the rockfall guide fence, the ends of the suspension ropes connected to the tops of the columns are supported by anchoring them to the outside of the slope and the ends of the left and right balance ropes connected to the tops of the columns. By anchoring each to the slope side of each strut and the lower side of the wire mesh,
In addition to workability, the anchor performance, the built-in support performance of the stanchions, and the reliability are further enhanced.

[0007]

[Operation] A relatively good scaffold along the side edge of a slope such as a swamp or a ridge, a strong ground, and a group of columns and a wire mesh with a reinforcing rope are easily and accurately installed and arranged. ,
The reliable anchor strength and suspension rope, and the balance ropes on the left and right strongly support and stabilize the wire rope.The wire mesh with the reinforced rope is also strongly suspended by the above-mentioned strut group to the side edge of the slope. It is compactly arranged as a falling rock guide wire mesh, and exhibits excellent and reliable receiving and guiding performance of falling rocks, etc., and its repair and management are easily performed, and its durability is enhanced.

[0008]

1 and 2 show an embodiment of the present invention. In the figure, a is a slope such as a swamp or a ridge which is close to the road R or the like and is likely to fall rocks as shown in the figure, b is a slope protector formed by constructing vertical and horizontal beams on both sides of the slope a, c is rockfall on slope a, 1
Is a pillar built by hinged connection 2b to the support cradle on the upper part of the anchor 2, 1a is a head metal fitting fixed to the upper part of the pillar 1, and 3 is connected to the head metal fitting 1a of the pillar 1 by appropriate means. The suspension rope 4 is a hinge connection 4 at the tip of the suspension rope 3.
The anchors 5a, 5 are left and right balance ropes connected to the upper portion 1a of the column 1 with U bolts, and 6 is a balance rope 5.
Anchor at the tip of the column, 7 is a vertical rope having the tip 8 anchored by connecting it to the upper portion 1a of the column 1 by an appropriate means, 8 is an anchor at the lower edge of the vertical rope 7 and the wire mesh 10, and 9a and 9b are the wire mesh 10. Vertical and horizontal reinforcing ropes incorporated in the upper and lower edge portions of the above, 9c vertical reinforcing ropes incorporated in the wire mesh 10 at intervals, 12 is constructed on the side of the road R, etc., and under the slope a. It is a lockfence on the constructed foundation 11.

In the illustrated embodiment, a plurality of struts 1 are built up and supported along at least one side edge portion of a slope a such as a swamp or a ridge at intervals, and a reinforcing rope 9 is provided above each stanchion 1.
While connecting and suspending the upper edge part of the wire net 10 with a, 9b, 9c, the lower edge part of the wire net 10 is anchored to the slope a side and stretched obliquely toward the slope. A rockfall guide fence is provided along the side edge of the slope a, which is formed by a rockfall guide wire net 10 that buffers and receives rocks c and the like.

Further, in the rockfall guide fence, the tip end of the suspension rope 3 connected to the upper portion of each pillar 1 is supported by an anchor 4 on the outside of the slope a, and the left and right sides connected to the upper portion of each pillar 1 are supported. The tip ends of the balance ropes 5 serve as rockfall guide fences supported by anchors 6 on the slope a side of each of the columns 1 and on the lower side of the metal net 10.

More specifically, the pillar 1 is preferably made of H-shaped steel or the like, and has at least one side edge portion (the illustrated example has both sides edges) of the slope a (the illustrated example has a ridge or a ridge). Part), hinge connection (hinge pin) 2 is attached to the head of the anchor 2 that is planted in the ground with relatively good scaffolding.
a, it is built so that it can be tilted to the side of the slope a.
Of the suspension rope 3 connected to the upper head metal 1a by an appropriate connecting means is anchored to the protection work b part to support the support column 1 in a slightly inclined position toward the slope a side. , The ends of the left and right balance ropes 5, 5 connected to the upper portion 1a of the support column 1 with U bolts and the like are supported by anchors 6 on both sides of the sloped surface a side of the support column 1 and appropriately attached to the head metal 1a of the support column 1. By connecting the tip of the vertical rope 7 with the connecting means of
Hang the upper side of. The columns 1 are arranged at intervals along the side edge of the slope a to form a group of columns 1. This group of stanchions 1 is provided on one side edge portion when the rock fall c or the like may jump out from the slope a to only the protective work b on one side, and as shown in the figure, the rock fall c or the like is applied to both sides of the slope a. If there is a risk of popping out, install it along both edges.

The anchor 2 of the column 1 is composed of a bolt portion inserted into a drilled hole as shown in the drawing and filled with concrete or the like, and a column base portion with a hinge pin fixedly mounted on the bolt portion. A structure provided with the hinge connecting mechanism is preferably used. Hanging rope 3 and left and right balance ropes 5,
As the anchors 4 and 6 at the tip end of 5, a structure having the above-described hinge connection mechanism or a structure having a ring part for connection or an appropriate connection fitting on the bolt part is applied. For example, a pin anchor having a shape as shown in the drawing is applied to the tip end of the vertical rope 7 and the anchor 8 at the lower edge of the wire net 10. In any case, various anchor mechanisms are applied according to the application.

Furthermore, the wire net 10 is reinforced by incorporating vertical and horizontal reinforcing ropes 9a and 9b at its upper and lower edges.
The reinforcing rope 9c may be incorporated at appropriate intervals and connected to the reinforcing ropes 9a and 9b for reinforcement, and may be connected to the vertical rope 7 by an appropriate connecting fitting, or the vertical rope 7 may be incorporated. In addition, the upper edge of the wire net 10 is connected to the head metal fitting 1a on the upper part of each pillar 1 by an appropriate connecting metal fitting by a vertical rope 7 or a short hanging rope (not shown) connected to the upper part of the metal mesh and is suspended. The lower edge of the wire net 10 is stretched with the lower end of the vertical rope 7 and the reinforcing rope 9b as anchors 8 at appropriate intervals.

The rockfall guide fence is a slope a such as a swamp or a ridge.
A plurality of struts 1 are installed at intervals on at least one side edge portion or along side edge portions on both sides as shown in the figure, and a reinforcing wire 9a, 9b, 9c-attached wire mesh 10 is attached to the upper portion 1a of each stanchion 1. The upper edge portion is suspended, and the lower edge portion of the wire net 10 is anchored to the side of the slope a to extend obliquely toward the slope a, and the wire net 10 buffers and receives rockfall c and the like to receive the slope a. It is constructed in a structure that prevents it from jumping out to the outside and guiding it. Building the group of columns 1 and tensioning the wire net 10 is done with a relatively good scaffolding on the side edge of the slope a and a strong ground. The wire mesh 10 is easily and accurately constructed, and is reinforced by the reinforcing ropes 9a, 9b, and 9c, supported by the group of the columns 1 and obliquely provided along the side edge of the slope a, It is installed on a small scale and compactly, and the rock fall c etc. are effectively buffered by the diagonal arrangement. Receiving Te, thereby preventing the protrusion of the outer slope a falling energy such rockfall c significantly reduced, this falling rock c, etc. are markedly decelerated wire mesh 1
It gradually falls along the lower edge of 0 and is easily received by the lower lock fence 12.

The pillars 1, the suspension ropes 3, the left and right balance ropes 5 and the wire nets 10 can be easily and accurately anchored along the outer side of the slope a of the relatively strong ground and the side edges thereof. The workability, the work accuracy, and the reliability are effectively improved, and the arrangement accuracy and the reliability of the support column 1 and the wire mesh 10 are effectively improved.

[0016]

Industrial Applicability The present invention has a relatively good scaffold along the side edge of a slope and a strong ground, and a group of columns and a wire mesh with a reinforcing rope are easily and accurately built in and arranged. Is highly supported by the reliable and excellent anchoring force and suspension rope, and the left and right balance ropes and is stable with high precision.The wire mesh with the reinforcing rope is strongly suspended by the column group and the side edge of the slope is supported. Along with that, it is compactly constructed as a rockfall guide wire net and exhibits a reliable and excellent rockfall guide and guide performance, and the rockfall guide performance and reliability are significantly improved along with the workability. Therefore, there is an advantage that maintenance and management can be easily performed at any time as needed, durability is enhanced, and cost is reduced.

[Brief description of drawings]

FIG. 1 is an overall plan view (A) showing an embodiment of the present invention and an enlarged side view (B) of an XX section.

FIG. 2 is an enlarged plan view of a Y portion of FIG.

[Explanation of symbols]

 1 Support post 3 Suspended rope 4, 6, 8 Anchor 5 Balance rope 9a, 9b, 9c Reinforcement rope 10 Wire mesh a Slope c Rockfall

Claims (2)

[Claims] 1. A plurality of struts are built up and supported along at least one side edge of a slope such as a swamp or a ridge, and an upper edge of a wire mesh with a reinforcing rope is connected to an upper portion of each stanchion. In addition to hanging it, the lower edge of the wire net is anchored to the slope side and stretched diagonally toward the slope, and the wire net is installed along the side edge of the slope to buffer rockfall and receive rockfall. A rockfall guide fence characterized by being made of wire mesh. 2. The rockfall guide fence according to claim 1, wherein the tip ends of the suspension ropes connected to the upper portions of the columns are supported by anchoring them to the outside of the slope and the left and right balance ropes connected to the upper portions of the columns. The rockfall guide fence is characterized in that the tip end of each is anchored and supported on the slope side of each pillar and below the wire mesh.