JP4031273B2 - Barrage with falling rock prevention clasp - Google Patents

Description

[0001]
BACKGROUND OF THE INVENTION
TECHNICAL FIELD The present invention relates to a rock fall prevention clasp installed along a slope, etc., in order to prevent the collapse of slopes of mountains, dikes and road slopes (hereinafter simply referred to as “slopes”). Is.
[0002]
[Prior art]
With the increase in land development, the demand for earth retaining works to prevent the collapse of mountain slopes, dikes and road slopes is increasing rapidly.
[0003]
By the way, in this type of earth retaining work, conventionally, a method of placing concrete along a slope or installing a concrete block has been frequently used. However, with the recent increase in environmental protection, A review of the construction method that uses this concrete is underway, and there is a demand for the development of a greening method suitable for the natural environment.
In response to this demand for environmental protection, a method has been put into practical use in which a legal frame is installed along a slope and the like, and the land is kept green within the legal frame.
[0004]
[Problems to be solved by the invention]
However, the conventional rock fall prevention clasps are molded by pouring concrete into the formwork, so there was a problem that the construction was large and the construction cost was high, and the landscape after enforcement was also inferior .
In addition, regarding the revegetation method, there is a higher demand for natural restoration by forests of native species than the revegetation work by lawn, but restoration by this forest requires a long period of several years. If there are floats or stones on the surface, you must prevent falling rocks.
As a method of dealing with this rock fall, there is a lock wire net construction that covers the entire slope with a wire mesh, but in such a conventional method, the wire mesh inhibits the growth of the trunk of the tree as the forest grows, and , The scenery gets worse.
[0005]
In view of the problems of the above-mentioned conventional rock fall prevention clasp, the present invention is easy to construct by using wood such as thinned wood whose effective use is required for forest conservation and forestry promotion. The purpose of the present invention is to provide a timberwork with a good rockfall prevention clasp that is inexpensive in construction and can prevent falling of rolling stones and the like without inhibiting the growth of tree trunks.
[0006]
[Means for Solving the Problems]
To achieve the above object, rockfall prevention distillate with Sujiko of the present invention, the muscle by forming a central longitudinal to the through hole of the timber, such as thinned wood, through which the rope or wire in the through hole Form a construction material, arrange a fastener at the end of the wire or wire, connect a plurality of muscle construction materials through the fastener, and stand upright from the fastener, A protective wall such as a wire mesh is stretched on the support.
[0007]
The rockfall prevention cut with Sujiko in the center longitudinal to the through hole of the timber, such as thinned wood is formed, to form a muscle Industrial Materials by inserting a rope or wire in the through hole,該索Article Alternatively, a fastener is disposed at the end of the wire, and a plurality of bracing materials are connected via the fastener. Therefore, construction is easy, material costs and construction costs are low, and the cord that becomes the core material is used. Since the strip or wire is covered with wood such as thinned wood, a good landscape close to nature can be secured even after enforcement.
And, since the pillar is erected from the brace fastener and a protective wall such as a wire mesh is stretched on the pillar, it corresponds to the restoration of the forest over the long term and inhibits the growth of the trunk of the tree In addition, it is possible to prevent falling of rolling stones.
[0008]
In this case, the fastener can be fixed to the ground with an earth anchor or an anchor bolt.
[0009]
Thereby, it is possible to easily and surely install the falling stone prevention clasp on the slope.
[0010]
Further, the lower end of the column can be rockably locked to the brace fastener, and the upper part of the column can be connected to the upper and lower brace fasteners via a support member.
The “fastener” here includes a fixture such as an earth anchor or an anchor bolt.
[0011]
Thereby, a support | pillar can be erected easily and cheaply.
[0012]
DETAILED DESCRIPTION OF THE INVENTION
DESCRIPTION OF THE PREFERRED EMBODIMENTS Hereinafter, embodiments of the rock fall prevention clasp according to the present invention will be described with reference to the drawings.
[0013]
FIGS. 1 to 3 show a first embodiment of the faller-preventing clasp according to the present invention.
The rockfall prevention distillate with muscle Engineering 1, installed in slope 2, which promote the greening of slope by holding the soil dressing 3 in the frame, the through hole 5 in the center longitudinal direction of the thinnings 4 And forming a bracing material 7 by inserting a wire or wire 6 into the through-hole 5 and disposing a fastener 8 at the end of the wire or wire 6. By connecting a plurality of bracing materials 7 through 8, a braided bracing 1 is formed.
The falling stone prevention clasp has a support column 14 erected from the fastener 8 of the reinforcement 1 and a wire mesh 15 is stretched over the support column 14 as a protective wall.
[0014]
Specifically, as shown in FIG. 3, a thinning material having a predetermined diameter is cut into an appropriate length of, for example, about several tens of centimeters, and a rope formed of a wire rope, a steel wire, or the like at the center of the cut thinning material 4. Or the through-hole 5 which lets the wire 6 pass is drilled.
And after inserting the line or the wire 6 in the cut | disconnected thinning material 4, the line or the wire 6 is cut | disconnected by a suitable dimension, and the external thread was directly carved in the edge part, or the external thread was provided. The bolt-shaped shaft tool 9 is fixed.
In this case, the quantity and length of the thinning material 4 inserted through the rope or wire 6 or the length of the rope or wire 6 can be appropriately changed according to the slope 2 to be constructed.
In addition, it is preferable to chamfer the end surface of the cut thinned material 4 as illustrated.
[0015]
As the fastener 8, for example, a circular or square bottomed cylindrical fastener 8 can be used.
That is, a bolt hole 82 is drilled in the cylindrical wall 81 of the fastener 8, and the rope 9 or the shaft 9 of the wire 6 is inserted into the bolt hole 82 and fixed by the nut 10.
Further, a through hole for an earth anchor or an anchor bolt is formed in the bottom wall 83 of the fastener 8, and the fastener 8 is fixed to the ground with an earth anchor or an anchor bolt (the earth anchor shown in the figure). As a result, the reinforcing material 7 is fixed to the slope 2.
In this way, an appropriate amount of the reinforcing material 7 is arranged on the slope in a straight line (or lattice shape), and the fastener 8 at the end of the reinforcing material 7 is placed on the ground with the earth anchor or the anchor bolt 11. By fixing, the brace 1 can be formed on the slope 2.
[0016]
On the other hand, the column 14 is engaged with the fastener 8 of the brace 1 by connecting the lower end thereof to the fastener 8 of the upper brace 1 via a support member 16 such as a rope or a wire rod. It is erected.
[0017]
Specifically, the support column 14 is not particularly limited, but is made of a steel pipe or a shape steel, and the lower end of the support column 14 is firmly locked to the fastener 8 by welding or the like. As shown, it can be slidably locked via a shaft 19.
[0018]
When the lower end of the support column 14 is rockably locked via the shaft 19, the wire ropes 16 and 18 as support members connected to the fastener 8 (anchor bolt 11) are connected to the steel pipe. The support column 14 is supported by being connected to the fastener 8 (anchor bolt 11) of the upper and lower brace 1 through the inside.
The wire ropes 16 and 18 can also be directly fixed to the upper part of the support column 14.
[0019]
And the upper part and lower part of the support | pillar 14 which stood up plurally are connected with the wire rope 17, respectively, and the wire mesh 15 grade | etc. Is stretched between these wire rope 17 and the support | pillar 14.
[0020]
Thus, in the present embodiment, the falling stone prevention clasp 1 is formed by inserting the rope or wire 6 into the thinned material 4 to form the muscle material 7 and disposed at the end of the rope or wire 6. Since a plurality of bracing materials 7 are connected via the fasteners 8, the construction is easy, the material costs and the construction costs are low, and the ropes or wires 6 that serve as the core material are covered with the thinning material 4. Therefore, a good landscape close to nature can be secured even after enforcement.
[0021]
Further, since the pillar 14 is erected from the brace fastener 8 and a protective wall such as a wire mesh 15 is stretched on the pillar 14, the tree trunk grows in response to the restoration of the forest over a long period of time. It is possible to prevent falling of rolling stones and the like without hindering.
[0022]
Further, the frame 8 can be easily and surely installed on the slope 2 by fixing the fastener 8 to the ground with the earth anchor or the anchor bolt 11 and fixing the bracing material 7 to the slope 2. .
[0023]
And the strutwork with falling rock prevention clasps of this example also has the following characteristics.
(1) The respective properties such as the ropes such as wire ropes or the flexibility and tensile strength of the wire 6 and the hardness of the thinned material 4 are used. If only the thinning material 4 is used, there is no flexibility and tensile strength. If only the strip or wire 6 is used, a frame cannot be made and the slope 2 cannot be pressed.
(2) By shortening the length of the thinned material 4, it becomes easy to bend, and it is possible to flexibly cope with the undulation of the slope 2.
(3) The earth anchor or anchor bolt 11 can be made longer with respect to the situation of the slope 2 or a strong one can be used.
(4) It is possible to promote the use of thinned wood 4 whose effective use is required for forest conservation and forestry promotion.
(5) As shown in FIG. 2 (b), the upper part 12 of the thinned wood 4 of the soil 3 is flattened stepwise, and there is no acuity like concrete, so the vegetation state is Can be done well (stepping the slope).
(6) The thinned wood 4 is weathered and returned to the soil with the passage of a long time, and the residue of foreign matter can be extremely reduced.
(7) The falling stone prevention clasp 1 can be made into a lattice shape or a streak shape, and the design can be freely changed.
(8) A water drain hole (not shown) is opened on the bottom surface of the fastener 8 and the soil is sprayed into the fastener 8 to achieve fine greening.
[0024]
Next, FIG. 4 shows a second embodiment of the falling rock prevention clasp according to the present invention.
The rockfall prevention distillate with muscle Engineering (muscle Engineering) 1, similarly to the first embodiment, the center longitudinal to the through hole 5 of thinnings 4 is formed, and through the wire rope 6 in the through hole 5 In this way, the reinforcement member 7 is formed, and the fastener 8 is disposed at the end of the wire rope 6, and the plurality of reinforcement members 7 are connected via the fastener 8, thereby along the slope. In this case, the reinforcing material 7 is arranged in parallel (striated).
Then, as shown in FIG. 1, for example, as shown in FIG. 1, this shingle prevention clasp has a column 14 erected from a fastener 8 of the muscle builder 1, and a metal mesh 15 is stretched as a protective wall on the column 14. Yes.
[0025]
In this example, nothing is arranged in the direction orthogonal to the reinforcing material 7 arranged parallel (striated) along the slope, but the same material is arranged, It can also be set as a lattice frame with a lattice-like rock fall prevention clasp, and the present invention does not exclude this.
[0026]
In this case, a press-molded bottomed cylindrical fastener 8 is used as the fastener.
Then, bolt holes 82 are drilled at two opposing (or four crossing) locations on the peripheral wall 85 of the fastener 8, and hooked bolts 86 are inserted into the bolt holes 82 and fixed by the nuts 10.
Then, one end 6 a of the wire rope 6 formed in a ring shape is hooked on the hooked bolt 86, and the other end 6 b of the wire rope 6 is hooked and fixed by a fixture 87.
This fixing tool 87 can use various members used for fixing the wire rope. For example, the end side of the wire rope 6 inserted so as to be folded back to the fixing tool is in one direction (tension direction). It is possible to move the wire rope 6 only (it cannot move in the other direction (loosening direction)), and the wire rope 6 can be tensioned by pulling the end of the wire rope 6 in one direction (tension direction). Can be suitably used.
[0027]
Further, a through hole for an earth anchor or anchor bolt is formed in the bottom wall 83 of the fastener 8, and the fastener 8 is fixed to the ground with an earth anchor or anchor bolt (an anchor bolt in the drawing is shown) 11. Thus, fixing the reinforcing material 7 to the slope 2 is the same as in the first embodiment.
In addition, the fastener 8a located in the middle should just insert the wire rope 6. FIG.
In this way, an appropriate amount of the reinforcing material 7 is arranged on the slope in a straight line (or lattice shape), and the fastener 8 at the end of the reinforcing material 7 is placed on the ground with the earth anchor or the anchor bolt 11. By fixing, a streak (grid frame) 1 with streaks (lattice) can be formed on the slope 2.
[0028]
As described above, the falling stone prevention clasp according to the present invention has been described based on the example using the thinning material 4 as wood, but the present invention is not limited to the configuration described in the above example, for example, As shown in FIG. 5 (a), instead of thinning material 4 with restrictions on dimensions such as the diameter (even if the layer thickness of customer soil 3 is increased, it is restricted by the diameter of thinning material 4), wood The configuration can be appropriately changed within a range not departing from the gist such as the use of the square bar 4A.
Then, when the square 4A is used as the wood, for example, two squares 4A1, 4A2 are used, and at least one square 4A1 is joined to the other square 4A2 in a state in which both are joined with a wire rope or steel. After forming a groove extending in the longitudinal direction of the square member 4A1 to be the through hole 5 through which the wire or the wire 6 passes, the connecting member 13a made of metal or the like as shown in FIG. 1), two square members 4A1 and 4A2 are joined and integrated using a connecting belt 13b made of metal or the like as shown in FIG. Like that.
In addition, the fundamental effect in the case of using the square wood 4A as the wood is the same as that in the case where the thinned wood 4 is used as the wood.
[0029]
In addition, the name of the present invention, “Footstone prevention clasp” is only given to make the application target of the present invention easier to understand, and by replacing the wire mesh with a plate, Falling can also be prevented.
[0030]
【The invention's effect】
According to rockfall prevention distillate with muscle Engineering of the present invention, to form a center longitudinal to the through hole of the timber, such as thinnings, to form a muscle Industrial Materials by inserting a rope or wire into the through hole Since a fastener is arranged at the end of the wire or wire, and a plurality of reinforcement materials are connected via the fastener, the construction is easy, the material cost and the construction cost are low, and the core Since the ropes or wires used as the material are covered with timber such as thinned wood, it is possible to secure a good landscape close to nature even after enforcement, and in combination with the promotion of the use of thinned wood, the natural environment It can be said that the construction method is suitable for
And, since the pillar is erected from the brace fastener and a protective wall such as a wire mesh is stretched on the pillar, it corresponds to the restoration of the forest over the long term and inhibits the growth of the trunk of the tree In addition, it can prevent the fall of a boulder and the like, and the construction is easy and the construction cost can be reduced.
[0031]
Further, by fixing the fastener to the ground with an earth anchor or an anchor bolt, it is possible to easily and surely install the falling stone prevention clasp on the slope.
[0032]
In addition, the lower end of the column is swingably locked to the brace fastener, and the upper part of the column is connected to the upper and lower brace fasteners via a support member, so that the column can be easily and It can be erected at low cost.
[Brief description of the drawings]
FIG. 1 is a front view showing a first embodiment of a faller-preventing clasp according to the present invention.
FIGS. 2A and 2B are cross-sectional side views in which a strut and a protective wall are omitted, in which FIG.
FIG. 3 is a plan view of the same embodiment with a rock fall prevention clasp, in which (a) is a plan view in which a support column and a protective wall are omitted, and (b) is a cross-sectional view showing a fastener and a ground anchor or an anchor bolt.
4A and 4B show a second embodiment of the rock fall prevention clasp according to the present invention, wherein FIG. 4A is a cross-sectional plan view in which a support column and a protective wall are omitted, and FIG. 4B is a plan view showing a wire rope and a fixture. (C) is a longitudinal cross-sectional view which shows a fastener and an earth anchor or an anchor bolt.
FIGS. 5A and 5B show a third embodiment of the shingle prevention clasp according to the present invention, where FIG. 5A is an explanatory view of square bars, and FIGS. 5B and 5C are explanatory views showing a state in which square bars are joined and integrated. , (D) is a cross-sectional view of a timberwork with falling rock prevention clasps in which a support and a protective wall are omitted.
[Explanation of symbols]
1 Studded timber barrage 2 Slope 3 Customer soil 4 Thinned wood (wood)
4A Square wood (wood)
DESCRIPTION OF SYMBOLS 5 Through-hole 6 Strip or wire 7 Bracing material 8 Fastening tool 81 Cylindrical wall 82 Bolt hole 83 Bottom wall 84 Through hole for earth anchor or anchor bolt 85 Peripheral wall 86 Bolt with hook 87 Fixing tool 9 Shaft tool 10 Nut 11 Earth anchor (Or anchor bolt)
12 Upper part of thinned wood 13 Connecting tool 14 Prop 15 Wire mesh (protective wall)
16 Wire rope (supporting member)
17 Wire rope 18 Wire rope (supporting member)
19 axes

Claims (3)

Central longitudinal to the through hole of the timber, such as thinned wood is formed, muscle Industrial Materials formed by inserting a rope or wire in the through hole, the fastener on the end of該索strip or wire A falling rock characterized in that it is arranged to connect a plurality of muscle materials via the fastener, and a column is erected from the fastener, and a protective wall such as a wire mesh is stretched on the column. Barr with prevention clasp.   2. The bracing prevention clasp according to claim 1, wherein the fastener is fixed to the ground with an earth anchor or an anchor bolt.   The lower end of the support column is rockably locked to the brace fastener, and the upper portion of the support column is connected to the upper and lower brace fasteners via a support member. 2. A mechanic with a rock fall prevention clasp.

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