JP2949082B2 - Slope protection method - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a slope protection device.

[0002]

2. Description of the Related Art Various types of conventional slope protection devices of this kind have been proposed, and a typical one is disclosed in Japanese Patent Application Laid-Open No. 7-180157. 21 and 22, where 1 is the slope on which the protection works are to be constructed, 2 is the trees planted there, and a plurality of such slopes with a reinforcing material 53 are included. After the flexible tubes 4 are intersected with each other and arranged in a grid on the slope 1 to form a frame 5, the flexible tubes 4 are filled with grout 8 from above or below, and then the intersections 7 are fixed. Fixing to slope 1 with tool 56. In the above, the reinforcing material 53 is made of steel wire, the flexible tube 4 is made of a plastic tube, and the grout 8 is made of cement as a main material.

[0003]

However, in such a slope protection device, the intersection 7 of the flexible tube 4 filled with the grout 8 is fixed to the slope 1 by the fixing device 56. At the time of fixing, the fixing tool 56 must be attached while holding the flexible tube 4 having a heavy weight so that the crossing portion 7 does not move. As shown in FIG. 22, the cross-over angle is fixed at a constant value because the cross-over angle is fixed, so that the cross-over angle of the upper and lower flexible tubes 1 is changed and adjusted according to the state of the slope 1. In such a case, it is impossible to cope with this, the resistance to the sliding of the slope 1 is small, and it is difficult to place the reinforcing member 53 at a position close to the center of the flexible tube 4. , Uniform reinforcement with reinforcement 53 If the reinforcement of the flexible tube 4 is hardly expected and the inclination angle A of the flexible tube 4 with respect to the horizon line XX is small, the flexible tube 4 bends downward between the intersections when the grout 8 is filled, Grout 8
There is a problem that the fluidity of the powder decreases and the filling is not performed smoothly.

Accordingly, an object of the present invention is to solve the above-mentioned problems of the conventional slope protection device, to facilitate the work of fixing the flexible tube to the slope, and to be able to move up and down depending on the state of the slope. To be able to easily cope with the need to change and adjust the crossover angle of the flexible tube, to have a high resistance to slippage, and to place the reinforcement near the center of the flexible tube. It can be expected that uniform grout is reinforced by the reinforcing material, and furthermore, at the time of filling the grout, the flowability of the grout in the flexible tube is good and the slope protection device is smoothly filled. To provide.

[0005]

According to the present invention, a frame is formed by arranging a plurality of flexible tubes in a grid pattern so as to intersect each other on a slope in order to achieve the above object. The method according to claim 1, wherein the crossing portion is fixed to a slope by a fixing tool, and thereafter grout is injected into a flexible tube. The invention according to claim 1, wherein the fixing tool is mounted on the slope. The fixing device according to claim 2, characterized in that the fixing device includes a support bar to be provided and a ring-shaped upper and lower support member rotatably mounted on the support bar and having a side opening. A support rod erected on the slope is attached to the lower part, and a ring-shaped lower support member having an opening on the side, and an opening on the side rotatably mounted on the upper part of the lower support member. Characterized by having a ring-shaped upper supporting member having It is easy to by the state of fixing the work and the slope face of the flexible tube to change the regulation of intersection angles of the upper and lower flexible tube, also has a large resistance to sliding.

According to a third aspect of the present invention, the fixing device has a ring-shaped lower support member having a lower portion to which a support rod standing on a slope is attached and having an opening on a side, and The fixing device according to claim 4, further comprising a binding band detachably attached to the fixing device, wherein the fixing device has a lower portion on which a support rod standing on a slope is attached, and a ring having an opening above. And a plurality of binding bands detachably attached to the lower support member. In these inventions, it is easy to adjust and change the connection state of both flexible tubes. In addition, the upper flexible tube can be in close contact with the lower support member.

According to a fifth aspect of the present invention, the fixing device has a helical lower support member provided with a support bar erected on a slope at a lower portion, and is rotatably mounted on the upper portion of the lower support member. The invention according to claim 6, wherein the crossover portion is formed by bending and entanglement of two flexible tubes, and the fixing device has a sloped surface. The supporting rod is provided with a substantially semicircular supporting member having an opening at the lower side on both sides on the upper side of the supporting rod. In the middle, the flexible tube is fixed to the slope with the auxiliary fixing device, and this auxiliary fixing device has a ring-shaped support member having an opening on the side on one side of the upper part of the support rod standing on the slope. These inventions are characterized by comprising a flexible tube for a sloped surface. Fixing is performed easily, the cross angle of the upper and lower flexible tube can be adjusted easily changed, also the resistance to slippage increases.

The invention according to claim 8 is characterized in that a reinforcing material having porous mass spacers attached at intervals is inserted into a flexible tube, and the reinforcing material is provided at the center of the flexible tube. It can be fixed at a close position, and uniform reinforcement of grout by the reinforcing material can be expected.

[0009] According to a ninth aspect of the present invention, the flexible tube is disposed on the slope with an inclination with respect to the horizon, and the inclination angle with respect to the horizon is 45 degrees or more. When filling the grout, the flowability of the grout in the flexible tube is good, and the filling is performed smoothly.

[0010]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS In the embodiments shown in the drawings, the same reference numerals are given to the same parts as those in the conventional example and to the same parts as the first embodiment in the second and subsequent embodiments. The description will be omitted, and different portions will be mainly described.

In the first embodiment of the present invention shown in FIGS. 1 to 6, the fixing device 6 fixes the flexible tube 4 to the side 1 of the flexible tube 4 and the structure of the fixing device 6 is the same as the conventional fixing device 56. In the fixing method and the structure of the fixing device. The fixing device 6 of this embodiment is as shown in FIGS.
And upper and lower support members 13 and 14 rotatably mounted on the support rod 11. And upper and lower support members 13, 14
Is formed in a ring shape having an opening 12 on the side, and a support tube 17 is provided on the opposite side of the opening 12, and the support tube 17 is slidably fitted on the support rod 11. doing.

In such a structure, when the flexible tube 4 is installed on the side surface 1 to form the frame 5, the cross section 7 of the flexible tube 4 to be installed is located in FIG. The support rod 11 is erected as shown in FIG.
11, the lower support member 14, the upper support member
13 with its support tube 17 slidably fitted on the support rod 11,
The stopper 18 is attached to the upper end of the support rod 11 as shown in FIG. Thereafter, the upper and lower flexible tubes 4 are inserted into the upper and lower support members 13 and 14 through the openings 12 of the upper and lower support members 13 and 14, and the grout 8 is injected into the inside in the same manner as the above-described conventional one. .
In this way, the installation on the slope 1 of this embodiment is completed, and FIGS.

FIGS. 7 and 8 show only a fixing device 6 according to a second embodiment of the present invention. In the second embodiment, portions other than the fixing device 6 have the same configuration as that of the first embodiment. Has become. The fixing device 6 includes a support rod 19 erected on the slope 1 at a lower portion.
A ring-shaped lower support member 22 having an opening 21 on the side, and a ring-shaped upper support member having a side opening 23 rotatably mounted on the upper portion of the lower support member 22 twenty four
FIG. 7 shows that both support members 22, 24 are elliptical, and FIG. 8 shows that both support members 22, 24 are elliptical.
Is circular.

In such a structure, when the flexible tube 4 is placed on the side surface 1 to form the frame 5, a support rod 19 is erected at a position where the crossing portion 7 of the flexible tube 4 is located. The opening 2 of the upper and lower support members 24 and 22
Upper and lower flexible tubes 4 not shown through 3 and 21
Is inserted into the upper and lower support members 24 and 22 and grout 8 is injected into the upper and lower flexible tubes 4 in the same manner as described above, and the installation on the slope 1 of this embodiment is completed.

FIGS. 9 and 10 show only a fixing device 6 according to a third embodiment of the present invention.
A ring-shaped lower support member 28 having a support rod 26 erected thereon and having an opening 27 on the side is provided.
And a binding band 29 that is detachably attached to the unit.

In such a structure, when the flexible tube 4 is installed on the side surface 1 to form the frame 5, the cross section 7 of the flexible tube 4 to be installed is located at a position shown in FIG. The support bar 26 is erected as shown, and
26, as shown in FIG.
The lower flexible tube 4 passes through the opening 27 of the lower support member 28.
Into the lower support member 28 and the binding band 29
The upper flexible tube 4 is inserted into the opening, and the binding band 29 is temporarily fixed so that the opening in the binding band 29 has a diameter substantially equal to the diameter of the upper flexible tube 4. Then, grout 8 is injected into the upper and lower flexible tubes 4 in the same manner as the conventional one, and the upper flexible tube 4 and the binding band
When a gap 31 is formed between the binding band 29 and the binding band 29, the binding band 29 is tightened so that the gap 31 disappears.

FIGS. 11 and 12 show only a fixing device 6 according to a fourth embodiment of the present invention. The fixing device 6 has a lower portion provided with a support rod 32 erected on a slope and opened upward. It has a ring-shaped lower support member 34 having a portion 33 and a plurality (two in this embodiment) of binding bands 35 detachably attached to the lower support member 34.

In such a structure, when the flexible tube 4 is installed on the side surface 1 to form the frame 5, the cross section 7 of the flexible tube 4 to be installed is located at a position shown in FIG. The support rod 32 is erected as shown in FIG.
As shown in FIG. 11, a plurality of binding bands 35 are inserted through the lower flexible tube 4 into the lower supporting member 34 through the opening 33 of the lower supporting member 34 as shown in FIG. The upper flexible tube 4 is inserted into the opening, and the binding band 35 is temporarily fixed so that the opening in the binding band 35 has substantially the same diameter as the diameter of the upper flexible tube 4. Then, grout 8 is injected into the upper and lower flexible tubes 4 in the same manner as the conventional one, and the binding band 35 is tightened to bring the upper flexible tube 4 into close contact with the lower support member 34, and If a gap is formed between the conductive tube 4 and the binding band 35, the gap is eliminated.

FIGS. 13 to 16 show only a fixing device 6 according to a fifth embodiment of the present invention. The fixing device 6 has a support bar 36 formed on the slope 1 at its lower part. The lower support member 37 has a spiral shape and a spiral upper support member 38 rotatably mounted on the upper portion of the lower support member 37.

In such a structure, when the flexible tube 4 is set on the side surface 1 to form the frame 5, the flexible tube 4 is positioned at the position where the crossing portion 7 of the flexible tube 4 is located.
The support rod 36 is erected as shown in FIG. 13, then the upper and lower flexible tubes 4 are inserted into the upper and lower support members 38 and 37 as shown in FIG. The grout 8 is injected into the upper and lower flexible tubes 4. Thus, the installation on the slope 1 of this embodiment is completed, and FIG. 16 shows the state.

As described above, in the first to fifth embodiments, the fixing operation of the flexible tube 4 to the slope 1 is easily performed, and the fixed upper and lower flexible tubes 4 are fixed.
The mutual relative displacement between them is easily performed.

In each of the above embodiments, the upper and lower flexible tubes 4 are not entangled at the crossing portion 7. On the other hand, the sixth embodiment of the present invention shown in FIGS. The tube 4 is arranged so as to be entangled at the crossing portion 7. In this case, the fixing device 6 is as shown in FIG. A substantially semicircular support member 42 having an opening 41,
43 are provided.

In such a case, when the frame 5 is formed by installing the flexible tube 4 on the slope 1,
When a tree or the like is in the way to avoid the obstacle, the flexible tube 4 to be installed may be bent in a zigzag shape. May intertwine with each other. In order to install such a crossing portion 7 on the slope 1 with the fixing tool 6, a support rod 40 is erected in a space 44 formed between the flexible tubes 4 in the crossing portion 7 and thereby supported. The flexible tube 4 is positioned in the opening 41 of the members 42 and 43, and then the grout 8 is injected into both flexible tubes 4 in the same manner as described above. In this way, the installation on the slope 1 of this embodiment is completed, and FIG. 17 shows the state.

FIG. 19 shows that if it is determined that it is necessary,
An auxiliary fixing device 45 for holding the flexible tube 4 on the slope 1 in the middle of each intersection 7 is shown. This auxiliary fixing tool
Reference numeral 45 denotes a member provided with a ring-shaped support member 48 having an opening 47 on one side on one upper side of a support rod 46 erected on the slope 1. With such an auxiliary fixing device 45,
When the flexible tube 4 is held on the slope 1, a support rod 46 is erected at a position where the flexible tube 4 is located, and a flexible member (not shown) is provided through an opening 47 of the support rod 46. The flexible tube 4 is inserted into the support member 48, and grout 8 is injected into the flexible tube 4 in the same manner as described above.

FIG. 20 shows that if necessary,
In each of the above embodiments, a reinforcing member 3 used in place of the conventional reinforcing member 53 is shown. The reinforcing member 3 includes a massive spacer having substantially the same diameter as that inserted into the flexible tube 4. 49 are mounted at intervals, this spacer 49 is hollow, provided with a number of through holes 50,
Since the reinforcing member 3 passes through the center of the spacer 49, when the reinforcing member 3 is inserted into the flexible tube 4, the reinforcing member 3 is automatically centered, and the flexible tube 4 is opened by the spacer 49. Is maintained, the grout injected therein flows smoothly through the large number of through-holes 50 of the spacer 49, and is substantially uniformly filled around the reinforcing member 3, so that uniform reinforcement is performed. Become.

In configuring each of the above embodiments,
The flexible tube 4 is disposed on the slope 1 so as to be inclined with respect to the horizon XX, and the inclination angle A with respect to the horizon XX shown in FIG. 1 is preferably 45 degrees or more. By inclining the grout 8 in this manner, when the grout 8 is filled, the flowability of the grout 8 in the flexible tube 4 is favorably maintained, and the filling is performed smoothly.

[0027]

As described above, the present invention provides a frame in which a plurality of flexible tubes are intersected with each other on a slope and arranged in a grid to form a frame. In a slope protection device configured by injecting grout into a flexible tube fixed to a surface, the invention according to claim 1 is
3. The invention according to claim 2, wherein the fixing device has a support bar erected on the slope and a ring-shaped upper and lower support member rotatably mounted on the support bar and having a lateral opening. A fixing rod is attached to a lower part of the fixing tool, and a support rod standing on the slope is attached to the lower part. The upper side has a ring-shaped upper support member having an opening, so that it is easy to fix the flexible tube to the slope and change the crossing angle of the upper and lower flexible tubes depending on the state of the slope. In addition, there is an effect that resistance to slip is large.

According to a third aspect of the present invention, in the fixing device, a support rod erected on a slope is attached to a lower portion of the fixing device, and a ring-shaped lower support member having an opening on a side thereof; 5. The fixing device according to claim 4, further comprising: a binding band detachably mounted on the fixing device, wherein the fixing tool has a ring-shaped lower portion having a lower portion to which a support rod erected on a slope is attached and an upper opening portion. Since it has a support member and a plurality of binding bands detachably attached to the lower support member, it is easy to change and adjust the connection state of the two flexible tubes, and the lower support member of the upper flexible tube is provided. This has the effect of achieving close contact with the substrate.

According to a fifth aspect of the present invention, the fixing device has a spiral lower support member provided with a support bar standing on the slope at a lower portion, and is rotatably mounted on the upper portion of the lower support member. When the flexible tube is fixed to the slope, it is easy to fix the flexible tube to the slope, and the crossing angle of the upper and lower flexible tubes must be changed and adjusted according to the state of the slope. In addition, there is an effect that it is possible to easily cope with this, and the resistance to slip is large.

According to a sixth aspect of the present invention, the crossing portion is formed by bending and entanglement of two flexible tubes, and the fixing device is provided on both sides of an upper portion of a support rod erected on a slope. A supporting member having a substantially semicircular shape having an opening at a lower portion thereof is provided, and the invention according to claim 7 fixes the flexible tube to the slope with an auxiliary fixing tool in the middle of the intersection. Since the auxiliary fixing device is provided with a ring-shaped support member having an opening on the side, on one upper side of a support rod erected on the slope,
The fixing work of the flexible tube to the slope is easy,
In addition, there is an effect that resistance to slip is large.

According to the eighth aspect of the present invention, since a reinforcing member having porous mass spacers attached at intervals is inserted into a flexible tube, when the reinforcing member is inserted into the flexible tube, it is automatically inserted. Centering is performed, and the flexible tube is maintained in its open state by the spacer, and the grout injected into it flows smoothly through a number of through holes in the spacer and is substantially evenly distributed around the reinforcement. There is an effect that filling and uniform reinforcement are performed.

According to a ninth aspect of the present invention, the flexible tube is arranged on the slope of the reinforcing member so as to be inclined with respect to the horizon,
Since the inclination angle with respect to the horizon is 45 degrees or more, at the time of grout filling, there is an effect that the flowability of the grout in the flexible tube is good and the filling is performed smoothly.

[Brief description of the drawings]

FIG. 1 is an explanatory diagram showing a construction state according to a first embodiment of the present invention.

FIG. 2 is a front view showing a standing state of a support bar of the fixing device according to the first embodiment;

FIG. 3 is a front view showing a state in which a support member is mounted on the support rod according to the first embodiment.

FIG. 4 is a front view showing a state in which a flexible tube is mounted on the support member.

FIG. 5 is a plan view showing a state at the time of grout injection in the above.

FIG. 6 is a sectional view taken along line 6-6 in FIG. 5;

FIG. 7 is a perspective view of a fixing device according to a second embodiment of the present invention.

FIG. 8 is a perspective view showing a modification of the fixing device of the above.

FIG. 9 is a perspective view of a fixing device according to a third embodiment of the present invention.

FIG. 10 is a sectional view showing a state at the time of grout injection in the above.

FIG. 11 is a perspective view of a fixing device according to a fourth embodiment of the present invention.

FIG. 12 is a sectional view showing a state at the time of grout injection in the above.

FIG. 13 is a front view showing a standing state of a support bar of a fixing device according to a fifth embodiment of the present invention.

FIG. 14 is a front oblique view showing a state where a flexible tube is mounted on the support member of the above.

FIG. 15 is a cross-sectional view showing a state at the time of grout injection in the above.

FIG. 16 is a perspective view of the same.

FIG. 17 is an explanatory diagram showing a construction state according to a sixth embodiment of the present invention.

FIG. 18 is an explanatory diagram showing a fixing state by the fixing tool of the above.

FIG. 19 is a front view of an embodiment of the auxiliary fixing device of the present invention.

FIG. 20 is a partial longitudinal front view of an embodiment of the reinforcing member of the present invention.

FIG. 21 is an explanatory diagram showing a construction state of a conventional slope protection device of the same type as the present invention.

FIG. 22 is a cross-sectional view showing a fixing state of the fixing tool according to the first embodiment.

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 1 Slope 3 Reinforcement 4 Flexible tube 5 Frame 6 Fixing device 7 Crossing part 8 Grout 11 Support rod 12 Opening 13 Upper support member 14 Lower support member 17 Support pipe 19 Support rod 21 Opening 22 Lower support member 23 Opening Part 24 Upper support member 26 Support rod 27 Opening 28 Lower support member 29 Tie band 31 Gap 32 Support rod 33 Opening 34 Lower support member 35 Tie band 36 Support rod 37 Lower support member 38 Upper support member 40 Support rod 41 Opening 42 Support member 43 Support member 45 Auxiliary fixing tool 46 Support rod 47 Opening 48 Support member 49 Spacer 50 Through hole

──────────────────────────────────────────────────続 き Continuing on the front page (72) Inventor: Masao Miyamoto 2-53-3 Misaki-cho, Chiyoda-ku, Tokyo Inside Tekkaken Construction Co., Ltd. (72) Inventor: Shigeki Maruo 2-3-5, Misaki-cho, Chiyoda-ku, Tokyo Inside Tekka Construction Co., Ltd. (72) Atsushi Nakane, 2-3-5 Misaki-cho, Chiyoda-ku, Tokyo Inside Tekka Construction Co., Ltd. (72) Inventor Kazumi Daicho 1-7-2 Koraku, Bunkyo-ku, Tokyo Sanshin Construction Industry Co., Ltd. (72) Norio Takahashi 4--20 Sendagaya, Shibuya-ku, Tokyo Nihon Sogo Waterproof Stock In-house (72) Inventor Mitsushi Okudaira 1-24-2 Higashi-Ueno, Taito-ku, Tokyo Musashi Construction Industries Co., Ltd. Mitsushi Okudaira (56) References JP 8 -53845 (JP, A) JP-A-7-180157 (JP, A) JP-A-7-119154 (JP, A) (58) Fields investigated (Int. Cl. ⁶ , DB name) E02D 17/20

Claims (9)

(57) [Claims] 1. A frame is formed by arranging a plurality of flexible tubes on a slope so as to intersect with each other in a grid pattern to form a frame, and fixing the intersections to the slope with a fixing tool. A slope protection method for injecting grout into the fixing device, wherein the fixing device has a support rod erected on the slope and a ring-shaped member having a side opening rotatably mounted on the support rod. A slope protection method comprising upper and lower support members. 2. A frame is formed by arranging a plurality of flexible tubes on a slope so as to cross each other and forming a frame, and fixing the crossing portion to the slope with a fixing device. A slope protection method for injecting grout into the fixing device, wherein the fixing device has a lower support member having a ring-shaped lower support member having a support rod erected on the lower surface and having an opening on a side. A slope protection method comprising: a ring-shaped upper support member rotatably mounted on an upper portion of the support member and having a lateral opening. 3. A frame is formed by arranging a plurality of flexible tubes on a slope so as to intersect with each other and forming a frame, and fixing the intersections to the slope with a fixing tool. A slope protection method for injecting grout into the fixing device, wherein the fixing device has a lower support member having a ring-shaped lower support member having a support rod erected on the lower surface and having an opening on a side. A slope protection method comprising: a binding band detachably attached to a support member. 4. A frame is formed by arranging a plurality of flexible tubes on a slope so as to intersect with each other and forming a frame, and fixing the intersection to the slope with a fixing tool. A slope protection method for injecting grout into the fixing device, wherein the fixing device has a ring-shaped lower support member having a support rod erected on the slope surface at a lower portion thereof and having an opening at an upper portion thereof; A slope protection method comprising a plurality of binding bands detachably attached to a member. 5. A frame is formed by arranging a plurality of flexible tubes on a slope so as to intersect with each other and forming a frame, and fixing the intersection to the slope with a fixing tool. And a grouting method in which grout is injected into the inside of the fixing device, wherein the fixing device has a spiral-shaped lower support member provided with a support rod standing on the slope at a lower portion thereof, and a circling support member above the lower support member. A slope protection method comprising: a spirally-shaped upper support member movably mounted. 6. A frame is formed by arranging a plurality of flexible tubes on a slope so as to cross each other and forming a frame, and fixing the crossing portions to the slope with a fixing device. A slope protection method in which grout is injected into the inside, wherein the crossing portion is formed by bending and entanglement of two flexible tubes, and the fixing device is provided on both sides of an upper portion of a support rod erected on the slope. And a substantially semicircular support member having an opening at a lower portion on a side thereof. 7. A flexible tube is fixed to the slope by an auxiliary fixing device in the middle of the crossing portion, and the auxiliary fixing device has an opening on one side of an upper portion of a support rod erected on the slope and a lateral opening. The slope protection method according to any one of claims 1 to 4, further comprising a ring-shaped support member having: 8. The slope protection method according to claim 1, wherein a reinforcing material having porous mass spacers attached at intervals is inserted into the flexible tube. 9. The flexible tube is disposed on the slope at an angle with respect to the horizon, and has an inclination angle with respect to the horizon.
9. The slope protection method according to claim 1, wherein the angle is 45 degrees or more.