JP5362530B2 - Method of retaining soil for slope greening and soil holding tool for slope greening used in the construction method - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide an earth retaining technology for additional soil for slope greening which is excellent in construction performance and is conveniently used by a simple structure without spoiling technological advantages of prior arts. <P>SOLUTION: An additional soil retaining device 1 includes a mountain-side horizontal frame 11 provided with a plurality of lateral lines 9 and arranged substantially horizontally to a slope surface, and a valley-side supporting frame 14 formed of a porous planar member and openably/closeably connected to a longitudinal edge of the mountain-side horizontal frame 11. The additional soil retaining device 1 is provided with an angle adjusting member 16 one end of which is rotatably connected to the valley-side supporting frame 14 and the other end of which has a hooking part capable of selectively hooking the plurality of lateral lines 9 comprising the mountain-side horizontal frame 11. By selectively hooking the hooking part formed at the end of the angle adjusting member 16 on any of the plurality of the lateral lines 9 comprising the mountain-side horizontal frame 11 according to the state of inclination of the slope surface, the mountain-side horizontal frame 11 is adjusted to be substantially horizontal. <P>COPYRIGHT: (C)2011,JPO&amp;INPIT

Description

  The present invention relates to a soil retaining technique for slope greening customer soil that holds the greening customer soil added to the slope. In particular, the present invention relates to a soil retaining technique using a slope greening soil retaining tool in a form in which a mountain side soil retaining frame portion for retaining slope greening soil is installed in a substantially horizontal state with respect to a slope.

  A soil retaining technique using a soil retaining tool for slope greening in a form in which this type of mountain-side soil retaining frame portion is installed in a substantially horizontal state with respect to the slope has been known (see Patent Document 1). In the case of this prior art, the mountain-side soil holding frame part is installed in a substantially horizontal state with respect to the slope, and the surface of the greening soil in this part is in a substantially horizontal state. It is prevented and effective for planting. In addition, a space surrounded by the mountain-side soil retaining frame portion, the valley-side soil retaining frame portion, and the slope is formed, and the greening soil that is housed inside the space portion is precisely Because it is retained, it is extremely effective for planting woody plants. Furthermore, since the soil retaining frame portion on each mountain side installed on the entire slope is unified in a substantially horizontal state, it is well-balanced and effective on the landscape.

JP 2004-190432 A

  By the way, in the case of the above-mentioned prior art, although it has the above-mentioned technical advantage, a land-holding tool bends one plate-like material or welds two plate-like materials to form a mountain shape. Since it was formed in a cross-sectional shape, it was not easy to install the mountain-side guest soil holding frame portion in a horizontal state with respect to the slope, and there was a problem in workability and workability was not good.

  Therefore, the present invention eliminates the problems of the above-described conventional technology, and does not impair the above-mentioned technical advantages of this conventional technology, and has a simple construction and good workability and ease of use. The purpose is to provide the earth retaining technology.

  In order to solve the above-mentioned problems, the present invention provides a mountain-side horizontal frame that is formed of a planar member having a plurality of horizontal lines and is installed substantially horizontally with respect to the slope, and a porous sheet-like member that is formed of a porous sheet-like member. It is connected to the long side edge part so as to be openable and closable, and is constituted by a valley side support frame that supports the long side edge part of the mountain side horizontal frame with respect to the slope, and one end part with respect to the valley side support frame The slope greening customer land is provided with an angle adjustment member that is connected to the other end portion and is capable of selectively hooking to a plurality of horizontal lines constituting the mountain-side horizontal frame. When the holding tool is used to install the slope greening soil-holding tool on the slope, the mountain-side horizontal frame is formed by the hook formed on the other end of the angle adjusting member according to the inclined state of the slope. By selectively hooking from a plurality of horizontal lines, the mountain side horizontal frame is substantially horizontal. Adopted the technology means that it installed in the state.

According to the present invention, the following effects can be obtained.
(1) The hook-side horizontal frame is very easy to be in a substantially horizontal state by selectively hooking a hook portion formed at the other end of the angle adjusting member from a plurality of horizontal lines constituting the mountain-side horizontal frame. Therefore, workability is good and work efficiency can be improved.
(2) A combination of a plurality of horizontal lines constituting the mountain-side horizontal frame and an angle adjusting member in which one end portion is rotatably connected to the valley-side support frame and a hook portion is formed at the other end portion. Since it is adopted, the workability of adjustment work related to the substantially horizontal state of the mountain side horizontal frame can be greatly improved with a simple configuration.
(3) Since the mountain-side horizontal frame is easily adjusted to a substantially horizontal state regardless of the inclination state of the slope, the surface of the land for greening in this part becomes a substantially horizontal state. Is prevented and is effective for planting. In addition, since the land for greening is accurately maintained in the space below the mountain-side horizontal frame, it is extremely effective for planting trees. Furthermore, since the mountain-side horizontal frames installed on the entire slope are unified in a substantially horizontal state, the whole is well-balanced and effective on the landscape.
(4) The mountain-side horizontal frame and the valley-side support frame constituting the soil-holding tool for slope greening are connected to each other so as to be openable and closable, and the angle adjusting member is also connected to one end so as to be freely rotatable. For this reason, handling during transportation and storage is extremely simple.

BRIEF DESCRIPTION OF THE DRAWINGS FIG. 1 is a schematic explanatory view exemplifying an embodiment to which a slope greening soil holding tool according to the present invention is applied. It is the perspective view which illustrated the state after planting of the embodiment. It is the elements on larger scale which expanded and showed a part of FIG. It is the perspective view which expanded and showed the Example of the land holding tool for slope greening concerning this invention. It is the schematic explanatory drawing which showed the adjustment principle regarding the horizontal state of the mountain side horizontal frame in the Example. It is the schematic explanatory drawing which showed the other adjustment state of the Example.

  The earth retaining technique for slope greening according to the present invention can be applied to the case of further adding another greening base material as long as it prevents sliding of the ground added to the slope. Needless to say. The application form of the present invention is for a case where a natural slope such as a natural mountain, a slope that has been created, or a slope that has been previously covered with concrete, mortar, or the like is used to add green soil to the surface. It is possible to apply to. The mountain-side horizontal frame constituting the slope soil greening land holding tool according to the present invention comprises a planar member having at least a plurality of horizontal lines, and these horizontal lines are supported by a required number of vertical lines, etc. It is formed in a frame shape. The number of horizontal lines can be increased or decreased according to the inclination angle of the slope and the range of change related to the inclination angle. On the other hand, the trough-side support frame that constitutes the slope greening customer soil retaining tool is connected to the long side edge of the mountain side horizontal frame so as to be openable and closable, and the long side edge of the mountain side horizontal frame is inclined. As long as it has a rigidity that can be supported, it is suitable to have a porous surface with a large number of apertures such as a mesh member such as a welded wire mesh, a crimp wire mesh, an expanded metal, a lath mesh, or a punching metal. It can be comprised from a member. Furthermore, regarding the number of the angle adjusting members installed, the angle between the mountain-side horizontal frame and the valley-side support frame can be appropriately maintained according to the horizontal length of the soil holding tool. Will be set. In addition, the hook formed on the other end of the angle adjusting member may be any hook that can be selectively hooked to the plurality of horizontal lines constituting the mountain-side horizontal frame, and is folded in a hook shape. A bent part formed by bending is suitable.

  FIG. 1 is a schematic explanatory view exemplifying an embodiment to which a slope greening soil holding tool according to the present invention is applied. As shown in FIG. 1, many soil holding tools 1 according to the present invention are installed in an appropriate arrangement with respect to the slope 2. Thereafter, the soil 3 is added to the surface of the slope 2 by a spraying method or the like, and greening or the like is achieved. In the figure, reference numeral 4 denotes an anchor pin.

  FIG. 2 is a perspective view illustrating a state after planting, and FIG. 3 is a partially enlarged view showing a part thereof enlarged. As shown in FIG. 2, in this embodiment, a large tree 5 is planted in a horizontal portion formed by the soil-holding tool 1, and the soil 3 that is accurately retained in the space below it. By making roots, we are sure to grow up. In addition, small vegetation 6 is planted in the other land. In the figure, reference numeral 7 denotes a vertical frame having a semicircular cross section, and a reinforcing bar 8 is embedded in the vertical frame 7 as shown in a broken portion in FIG. And it is comprised so that this reinforcing bar 8 may be fixed to the intended position by connecting the both sides of the soil holding tool 1 to the reinforcing bar 8 by penetrating the both sides of the soil holding tool 1 or the like. Yes. The anchor pin 4 is configured to be connected to the reinforcing bar 8 via a hooking portion formed on the upper end portion thereof, and is installed at a predetermined interval as shown in FIG. Each rebar 8 is configured to be fixed to the slope 2 by a large number of anchor pins 4. That is, in this embodiment, each reinforcing bar 8 is fixed to the inclined surface 2 by a large number of anchor pins 4 installed on the inclined surface 2, and both side portions of the soil holding tool 1 are connected to and supported by the reinforcing bars 8. The fixing means for fixing the respective soil holding tools 1 to the slope 2 is adopted. Incidentally, regarding the construction procedure in this case, the land holding tool 1 may be installed first, and the reinforcing bars 8 may be installed later so as to connect and support both side portions thereof, and fixed with the anchor pins 4. On the contrary, the reinforcing bars 8 may be installed first, and both side portions of the soil holding tool 1 may be connected and supported to the reinforcing bars 8 later.

  Next, features of the present invention will be described with reference to FIGS. FIG. 4 is an enlarged perspective view showing an embodiment relating to a soil holding tool for slope greening according to the present invention. As shown in the figure, the soil holding tool 1 according to the present embodiment includes a plurality of horizontal lines 9 and is formed of a planar member formed by vertical lines 10 orthogonal to the horizontal lines 9. The horizontal side of the mountain-side horizontal frame 11 is composed of a mountain-side horizontal frame 11 that is installed substantially horizontally, and a planar member that is formed by a small mesh so that the customer soil 3 can be earthed by horizontal lines 12 and vertical lines 13. It is comprised from the trough side support frame 14 connected with the side edge part so that opening and closing was possible. In the figure, reference numeral 15 denotes a connection ring for connecting the mountain side horizontal frame 11 and the valley side support frame 14 so as to be freely opened and closed. In this connection, instead of the connecting ring 15, the end of the vertical line 10 or the vertical line 13 is bent and wound around the horizontal line 12 or the horizontal line 9 constituting the other frame, whereby the mountain-side horizontal frame 11 and the valley-side support frame 14. And can be connected to each other so as to be freely opened and closed.

  Further, one end of an angle adjusting member 16 is rotatably connected to the intersection of the horizontal line 12 and the vertical line 13 of the valley side support frame 14 as shown in the figure. That is, in the angle adjusting member 16 in the present embodiment, one end portion is bent, and a rotatable connecting portion is formed by being rotatably wound around the intersection of the horizontal line 12 and the vertical line 13 of the valley side support frame 14. In addition, the other end is bent into a hook shape to form a latching portion, and this latching portion is selectively latched with respect to a plurality of horizontal lines 9 constituting the mountain-side horizontal frame 11, By adjusting the angle α between the horizontal frame 11 and the valley-side support frame 14, the mountain-side horizontal frame 11 can be adjusted to a horizontal state. Incidentally, in the present embodiment, an example in which one end portion of the angle adjusting member 16 is rotatably wound around the intersection of the horizontal line 12 and the vertical line 13 of the valley side support frame 14 is illustrated. 12 may be wound around.

  Next, based on FIG. 5, FIG. 6, the adjustment principle regarding the horizontal state of the mountain side horizontal frame 11 in the said soil holding tool 1 which concerns on a present Example is demonstrated. The adjustment states illustrated in FIGS. 5 and 6 schematically show the main parts when the mountain-side horizontal frame 11 is adjusted to be in a substantially horizontal state with respect to the slopes 2 having different inclination angles. . First, the adjustment state of FIG. 5 will be described. This adjustment state illustrates a state in which the mountain-side horizontal frame 11 is adjusted to be in a substantially horizontal state corresponding to the case where the inclination angle of the slope 2 is θa. . As illustrated, in this case, while adjusting the angle α between the mountain-side horizontal frame 11 and the valley-side support frame 14 so that the mountain-side horizontal frame 11 is substantially horizontal, the angle adjustment member 16 is adjusted. By rotating around the rotatable connecting portion 17 formed at one end thereof, the hooking portion 18 formed at the other end of the angle adjusting member 16 is hooked to the horizontal line 9a constituting the mountain side horizontal frame 11. Thus, the horizontal state of the mountain-side horizontal frame 11 is maintained.

  The adjustment state shown in FIG. 6 exemplifies a state in which the mountain-side horizontal frame 11 is adjusted to a substantially horizontal state corresponding to the case where the inclination angle of the slope 2 is θb. As illustrated, in this case, while adjusting the angle α between the mountain-side horizontal frame 11 and the valley-side support frame 14 so that the mountain-side horizontal frame 11 is substantially horizontal, the angle adjustment member 16 is adjusted. By rotating around the rotatable connecting portion 17 formed at one end thereof, the hooking portion 18 formed at the other end of the angle adjusting member 16 is hooked on the horizontal line 9b constituting the mountain side horizontal frame 11. Thus, the horizontal state of the mountain-side horizontal frame 11 is maintained.

  As described above, according to the soil holding tool 1 according to the present invention, the angle α between the mountain-side horizontal frame 11 and the valley-side support frame 14 is changed according to the inclination angle θ of the slope 2. However, the mountain-side horizontal frame 11 is adjusted so as to be substantially horizontal, and the horizontal state of the mountain-side horizontal frame 11 is determined by turning the angle adjusting member 16 around the rotatable connecting portion 17 and forming it at the other end. The stopper 18 can be held by selectively hooking the plurality of horizontal lines 9 constituting the mountain side horizontal frame 11. In the above description, the adjustment principle related to the horizontal state of the mountain-side horizontal frame 11 has been schematically described. However, the number of horizontal lines 9 constituting the mountain-side horizontal frame 11 can be increased or decreased, and the angle adjustment member 16 can be rotated. By changing the position of the connecting portion 17, it is possible to cope finely with changes in the inclination angle θ of the slope 2.

  1: soil holding tool, 2: slope, 3: soil, 4: anchor pin, 5: wood, 6: grass, 7: vertical frame, 8: rebar, 9: horizontal line, 10: vertical line, 11: mountain side horizontal frame, 12: horizontal line, 13: vertical line, 14: valley side support frame, 15: connecting ring, 16: angle adjusting member, 17: rotatable connecting part, 18: latching part

Claims (2)

  A soil retaining construction method for slope greening soil that holds the greening soil added to the slope, comprising a planar member made of a planar member having a plurality of horizontal lines, A trough-side support frame that is formed of a porous planar member and is openably and closably connected to a long-side edge of the mountain-side horizontal frame, and supports the long-side edge of the mountain-side horizontal frame with respect to the slope. The latching portion is configured to be configured such that one end portion thereof is rotatably connected to the valley-side support frame, and the other end portion can be selectively latched with respect to a plurality of horizontal lines constituting the mountain-side horizontal frame. When the slope greening soil-holding tool is provided on the slope, the other end of the angle-adjusting member according to the slope state of the slope The hooks formed on the top are selectively hooked from a plurality of horizontal lines constituting the mountain-side horizontal frame. It makes earth retaining method of constructing the slope greening for soil dressing, which comprises placing the mountainside horizontal frame in a substantially horizontal state.   A mountain-side horizontal frame composed of a planar member with a plurality of horizontal lines and installed substantially horizontally with respect to the slope, and a porous planar member, which can be opened and closed with respect to the long side edge of the mountain-side horizontal frame And a trough-side support frame that supports the long side edge of the crest-side horizontal frame with respect to the slope, and one end portion is rotatably coupled to the trough-side support frame and the other end. An angle adjusting member having a hook portion that can be selectively hooked with respect to a plurality of horizontal lines constituting the mountain side horizontal frame, and the other end of the angle adjusting member according to the inclined state of the slope It is configured such that the mountain-side horizontal frame can be adjusted to a substantially horizontal state by selectively latching the latching portion formed on the portion from a plurality of horizontal lines constituting the mountain-side horizontal frame. A special tool for holding soil for slope greening.

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