JP2001220748A - Angle wall unit and triangular wall structure for civil engineering using it - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a high-strength wall for civil engineering which is simple and excellent in constructibility and appearance. SOLUTION: A unit 1 of angle cross section and a reinforcing element 18 of T-shaped cross section are disposed on the tops of anchor bolts 27 and 27A buried in foundation concrete 14. Torque adjusters 25 and 25A such as turnbuckles to which preinstalled torque bars 21 and 21A and the anchor bolts 27 and 27A are connected for adjusting stresses are provided respectively in an opening 5 in the unit 1 and an opening 5A in the reinforcing element 18. The wall unit 1 is connected to the reinforcing element 18 by a connecting plate 19. They are piled up as a set if necessary and arranged in sequence in the cross direction of a face of slope 13 to construct a wall 15 of the desired scale. Because this construction method forms a trussed structure that is dynamically stable, the wall of high pressure resistance for civil engineering can be easily achieved.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a mountain-shaped wall unit and a triangular wall structure for civil engineering using the unit, and more particularly, to a road-terrace-like plateau or the like formed by embankment on a slope of a slope. The present invention relates to a mountain wall unit useful for construction and a triangular wall structure for civil engineering using the unit.

[0002]

2. Description of the Related Art Conventionally, in the above case, in order to prevent collapse of an embankment portion, a plurality of H-shaped steel piles are made to face each other in the transverse direction of a slope of a sloped land so that their openings face each other. A wall is formed by dropping and stacking a plurality of concrete plates between these openings, and a plurality of square bars are used as embankment material in the space between the back surface and the slope of the wall. The synthetic resin blocks in the shape of a pile were piled up, and a road, a terrace-like plateau, and the like were formed on top of these synthetic resin blocks.

[0003]

However, in the above-mentioned conventional wall structure, a boring survey is required in order to know the existence or depth of the rock supporting the steel pile, and the construction site requires a crane or a pile driver. Pile driving work was very troublesome due to poor scaffolding for installing large machines such as machines, and the large-scale work required to carry out pile work involved not only lengthening the construction period but also increasing the cost.

In addition, since the steel pile is exposed and a concrete plate is used for the wall, the constructed wall is inevitable from a temporary and rough impression of a construction site, lacks aesthetic appearance, and has a poor texture. There was also a problem.

[0005] The present invention eliminates the above-mentioned problems by using a steel pile to support the wall and using a wall material rich in aesthetics and texture, thereby eliminating the above problems. It is an object of the present invention to provide a unit and a construction structure of a wall with high pressure resistance using the unit.

[0006]

In order to achieve the above-mentioned object, a first aspect of the present invention is to form at least one chevron shape, provide a torque bar insertion hole near the top inside the unit, and close the bottom near the unit. An opening for adjusting the tension of the torque bar is provided on the angled wall unit.

According to a second aspect of the present invention, there is provided the mountain-shaped wall unit according to the first aspect, wherein an engagement portion to be fitted when a plurality of units are stacked is provided at an upper portion and / or a lower portion of the unit.

According to a third aspect of the present invention, there is provided the mountain wall unit according to the first aspect, wherein a concave portion for a connection plate is provided near a top inside the unit.

According to a fourth aspect of the present invention, there is provided the mountain wall unit according to the first aspect, wherein at least one concave portion for draining and inserting a belt is provided at a lower portion of the unit.

Further, according to a second aspect of the present invention, the mountain-shaped wall unit according to any one of claims 1 to 4 is stacked in a plurality of stages, and the tension is adjusted by inserting a torque bar into a torque bar insertion hole inside the unit. Attach a reinforcement with a torque bar insertion hole to the opening of the unit, connect the unit and the reinforcement with a connection plate, insert a torque bar into the torque bar insertion hole of the reinforcement, adjust the tension, and reinforce the unit. A triangular wall structure for civil engineering characterized by being integrally connected to a body (claim 5).

According to a sixth aspect of the present invention, there is provided the triangular wall structure for civil engineering according to the fifth aspect, wherein the anchor is connected to the connection plate.

According to a preferred embodiment, the connecting plate has a corrugated stress absorbing portion.

[0013]

Since the mountain-shaped wall unit (hereinafter referred to as a unit) of the present invention is formed in a mountain shape, it is placed in a triangle shape with its ridge line up, or the ridge line is set up vertically. The unit does not fall down during storage or work because it can be placed in a stable manner. Therefore, the handling is easy, the safety is high, and the efficiency of laminating operation is enhanced. In addition, after the wall is constructed, a kind of triangular geometric pattern is formed, which has the effect of enhancing the external appearance.

Further, according to the wall structure of the present invention, in the standing state of the units stacked in a plurality of stages, a truss structure combined in a triangle shape is formed and a mechanically stable form is obtained. It has extremely high proof stress against loads received from inside and outside the body.

In addition, stacking a plurality of units in a plurality of units has a form in which hollow triangular prisms of high strength are stacked, which is sufficient for the load bearing capacity of the lower wall. Also, there is no need to use steel piles as in the past, and therefore, large machines such as boring surveys and cranes are not required. can do.

Further, since the constructed wall is formed by connecting the units on the inside, the outer surface of the wall does not have any connection tools or the like exposed, and there is no difference from ordinary construction or construction.
Therefore, the appearance and texture can be enhanced.

[0017]

DESCRIPTION OF THE PREFERRED EMBODIMENTS Hereinafter, embodiments of the present invention will be described with reference to the drawings, but it is needless to say that the present invention is not limited to the following embodiments.

Embodiment 1 FIG. 1 is a perspective view of a mountain-shaped wall unit of the present invention as viewed from the inside. In the unit 1 of this embodiment, an apex angle θ is determined by an L panel unit 2 and an R panel unit 3. The opening is formed so as to form a bilaterally symmetric mountain shape. Further, a torque bar insertion hole 4 is formed in the vicinity of the top of the torque bar in parallel with the ridge line of the mountain, and an opening 5 for adjusting the tension of the torque bar is provided in the vicinity of the top below the top. As the material of the unit 1, concrete, reinforced concrete with glass fiber, carbon fiber, or the like, lightweight cellular concrete, slate, asbestos board, metal such as aluminum or stainless steel, wood, or the like is preferable.
In particular, lightweight cellular concrete which is lightweight and has high durability is preferable. It is a matter of course that the surface of the unit 1 may be decorated with a concavo-convex pattern, painted, decorated, or colored.

Further, by mixing activated carbon, charcoal powder and carbon powder, antibacterial properties can be imparted to the unit 1 and the generation of mold on the triangular wall for civil engineering formed from the unit 1 is prevented. In addition, a beautiful appearance can be maintained. The size of the unit 1 is not particularly limited, but in terms of the size of the horizontal projection plane when the ridgeline of the mountain stands upright, if the apex angle θ is 90 degrees, the width is 500 mm to 1200 mm, The thickness is, for example, about 500 to 1000 mm, and the thickness of the panel portion is about 40 to 120 mm. When the apex angle θ formed between the L panel portion 2 and the R panel portion 3 is reduced, the withstand pressure increases, but the material cost in the cross direction of the slope and the number of man-hours for installation increase, resulting in cost increase and uneconomical. It is. On the other hand, if the apex angle θ is too large, the cost tends to decrease, but the withstand pressure tends to decrease. Therefore, in consideration of load resistance, workability, economy, appearance, and the like, the apex angle θ is preferably about 60 to 120 degrees.

If necessary, a plurality of units may be connected to form a mountain-shaped wall unit. FIG. 2 shows a perspective view of a double mountain type wall unit in which two units are connected. In this case, the two completed units 1
May be later joined by the joining portion 6 to form the double mountain type wall unit 7, or may be integrally formed into the double mountain from the beginning. It should be noted that, although it depends on the size, three or more mountains are also possible.

Embodiment 2 FIG. 3 is a perspective view showing another example of the mountain-shaped wall unit of the present invention. The unit 1 of this embodiment 2 has upper and lower ends of an L panel portion 2 and an R panel portion 3. The configuration is the same as that of the first embodiment except that a convex engaging portion 8 and a concave engaging portion 9 are provided respectively. By providing the engaging portions having these irregularities on both panel portions 2 and 3, the laminating operation of the unit 1 is performed smoothly, and the unit 1 is engaged with high accuracy, so that the appearance is excellent. As is apparent from FIG. 4 which is a cross-sectional view of the L panel unit 2 when the units are stacked, the concave engagement portion at the lower end of the unit 1A which is at the bottom and the upper end of the unit 1B which is stacked at the top. The convex engaging portion may not be provided as necessary as shown in FIG.
In addition, the side ends of the L panel portion 2 and the R panel portion 3 are provided with a convex engaging portion and a concave engaging portion in the same manner as described above to form a so-called fixed structure, thereby facilitating horizontal joining. In addition to this, the adjacent mountain-shaped units can be joined without any gap.

Embodiment 3 FIG. 5 is a perspective view showing still another example of the mountain-shaped wall unit of the present invention. The unit 1 of Embodiment 3 is provided with a concave portion 10 for a connection plate at a top portion thereof. Otherwise, the configuration is the same as that of the second embodiment. The provision of the concave portion 10 for the connection plate facilitates the assembling work of the connection plate to be mounted, and also suppresses the lateral displacement due to the vibration of the connection plate by the lateral wall of the concave portion 10. Overall strength can be increased. In addition, since the surface of the connection plate after being assembled becomes smooth, it is easy to assemble the mountain wall unit.

Embodiment 4 FIG. 6 is a perspective view showing another example of a mountain-shaped wall unit according to the present invention.
Example 1 described above except that a concave portion 11 for drainage and belt insertion is provided at a substantially central portion of the lower end of each panel portion 3.
Is the same as By providing the concave portions 11 in these panel portions 2 and 3, a lifting operation and a transporting operation can be performed smoothly by inserting a belt or the like into the concave portions 11, so that the assembling operation and the like can be performed efficiently and easily. Become. After the assembly is completed, the recess 11 can be used as a drain hole for discharging water from the sloped slope side.

Embodiment 5 FIG. 7 is a cross-sectional view of a triangular wall for civil engineering according to the present invention when the mountain-shaped wall units described in Embodiment 1 are stacked in two stages. . As shown in FIG. 7, a foundation concrete 14 is cast at a tip of a slope 13 formed by cutting a part of the sloped ground 12 and forming a predetermined height, and a triangular wall 15 for civil engineering is placed on the foundation concrete 14. Hereinafter, the wall 15
Is constructed in the transverse direction of the slope 13, the embankment 16 is applied between the back surface of the wall 15 and the slope 13, and the road 17 is formed at the top of the embankment 16.

The wall body 15 includes a mountain-shaped unit 1, a reinforcing member 18 attached to the unit 1 so as to form another side of the triangle, a connecting plate 19 connecting the unit 1 and the reinforcing member 18, And a tension or pressure means 20 attached to each of the unit 1 and the reinforcing member 18.

As shown in FIGS. 1 and 7, the unit 1 is provided with a torque bar insertion hole 4 through which the torque bar 21 is inserted from the vicinity of the top, and an opening for adjusting the tension of the torque bar 21 further below the top. A part 5 is provided. The upper and lower units 1 are fitted and tightly connected to each other by the concave and convex engaging portions 8 and 9. Reinforcement 1
Reference numeral 8 denotes a substantially T-shaped pillar having an insertion hole 4A through which the torque bar 21 is inserted, as shown in FIGS. 7 and 9A, and the height of which is the same as the height of the unit 1. Further reinforcement 18
The connection plate 19 as shown in FIG.
A groove 22 slightly larger than the width dimension of the torque bar is provided, and an opening 5A for adjusting the tension of the torque bar is provided in the lower center.

The reinforcing member 18 is disposed in the opening of the unit 1 formed by opening the apex angle by θ degrees.
If the connection is made so as to be integrated with the connection plate 19, a triangular prism having high rigidity is obtained, and the pressure resistance when the wall 15 is stacked high can be further increased. This reinforcing member 18 has a substantially T-shape shown in FIG.
It may be formed in a hollow substantially triangular prism as shown in FIG.

As shown in FIG. 10 (a), the connection plate 19 has fixing holes (holes having a round shape, a long shape, a cross shape, etc.) 23 for connecting and fixing the unit 1 and the reinforcing member 18. , A metal plate having a predetermined width, length and thickness. As a form of the connection plate 18, in addition to the one shown in FIG. 10A, a hole 23 having an anchor function for fixing the wall body 15 as shown in FIG. Is also effective.

Further, as shown in FIG. 10C, if the connection plate is provided with a stress absorbing portion 24 in which a part of the connection plate is curved, after the wall body 15 is fixed to the slope 13 side, for example, an earthquake When an excessive stress is applied to the connection plate 19 due to this, the stress is absorbed by the stress absorbing portion 24 and the wall 1
5 has the effect of minimizing the damage.

The tension or pressure means 20 comprises a torque bar 21 provided with torque adjusters 25, 25A, as shown in FIG. The torque bars 21 and 21A have screw portions in opposite directions on both ends, and torque adjusters 25 and 25A are screwed into the screw portions.

The torque adjuster 25 applies tension to the wall 15 via the torque bars 21 and 21A by rotating the torque adjuster 25 to pull the wall 15 inward.
Or, conversely, a pressure is applied to the wall body 15 to push the wall body 15 outward so as to increase the compressive stress. Although long nuts are shown as such torque adjusters 25, 25A, the invention is not limited to this, and any one that can adjust tension or pressure can be used. For example, a turnbuckle (shown in the drawings) often used for construction and civil engineering is used. ) Or a device utilizing hydraulic pressure or the like. As a commercial product,
"Gevinde Starb (trade name, manufactured by Matsushita Electric Works, Ltd.)".

Hereinafter, a method of constructing the wall 15 will be described in detail with reference to FIGS. First, a part of the sloping ground 12 is cut out, and the rubble stone 26 is spread over the tip of the slope 13 having a predetermined height, and then the foundation concrete 14 is poured on the rubble stone 26. The foundation concrete 14 has anchor bolts 27, 27A implanted on its upper surface, and is fixed by an anchor 14A driven into the slope 13.

Next, the torque bar 21 is inserted into the torque bar insertion hole 4 of the unit 1 in advance, and the connection plate 19 shown in FIG. 10A is mounted on the upper end of the torque bar 21. Tighten.

Further, the screw portion 29 of the anchor bolt 27 for the unit 1 and the screw portion 29 of the anchor bolt 27A for the reinforcing member 18 erected on the foundation concrete 14 include:
Nuts 30, 30A, washers 31, 31A respectively
And then torque adjusters 25, 25A
Is screwed.

Next, the position of the unit is finely adjusted so that the center of the torque bar insertion hole 4 of the lowermost unit 1 and the center of the anchor bolt 27 substantially match, and the unit is disposed on the foundation concrete 13. Subsequently, the nut 28 for fixing the torque bar 21 temporarily tightened is appropriately loosened, and the nut 3 is inserted between the torque bar 21 and the torque adjuster 25.
2. The washer 33 is mounted, and the torque bar 21 and the torque adjuster 25 are temporarily assembled. Subsequently, the relative positions of the components such as the torque bar 21 are adjusted, and when the respective dimensions in the up-down direction reach a predetermined value, the torque bar 21 is first fastened and fixed together with the nut 28 from up-down direction. Subsequently, the torque adjuster 25 is adjusted to a predetermined stress.
Is rotated and adjusted, and the lowermost unit 1 is fixed to the foundation concrete 14. And nuts 30, 32 from both sides
To prevent the torque adjuster 25 from loosening.

Next, the lowermost reinforcing member 18 is connected to the unit 1
And the connection plate 19 is fitted into the groove 22 shown in FIG. 9A so that the center of the torque bar insertion hole 4A substantially matches the center of the anchor bolt 27A. The position is adjusted as described above, and is arranged on the foundation concrete 14. Then, similarly to the case of the unit 1 described above, the centering of the fixing hole 23 of the connection plate 19 and the torque bar insertion hole 4A is performed, and the torque bar 21A having a nut 28A mounted at one end in advance is connected to the fixing hole 23 of the connection plate 19. And nuts 28A and 32A and a washer 33A are mounted between the torque adjuster 25A and the torque adjuster 25A by rotating the torque bar 21A. Then, after adjusting the relative position of each component in the vertical direction to a predetermined value, the nut 28A at the upper end firstly controls the torque bar 21.
A and the connection plate 19 are fixed to the reinforcing member 18. Subsequently, the torque adjuster 2 is used to obtain a predetermined stress.
5A is rotated and adjusted, and the lowermost reinforcing member 18 is fixed to the foundation concrete 14. Finally, nuts 30A and 32A
To prevent the torque adjuster 25A from loosening.

Subsequently, the second-stage units 1 are stacked so that the concave-convex engaging portions 8 and 9 are fitted to each other, and the second-stage reinforcing member 18 is also stacked. Thereafter, fitting and fixing are repeated in the same manner, and the stack is sequentially set up and the required number of stages are stacked. That is, the procedure for assembling and fixing the units 1 stacked on the upper stage is as follows: the anchor bolt 27 on the lowermost unit 1 side, the anchor bolt 27A on the reinforcing body 18 side, and the threaded upper ends of the respective torque bars 21, 21A Since the units have the same function, the procedure is exactly the same as the procedure for constructing the lowermost unit and the reinforcing member described above.

The connection plate 19 provided at the upper stage in FIGS. 7 and 8 is longer than the connection plate 19 at the lowermost stage as shown in FIG. Is firmly fixed to the side.

A cushioning material such as an elastomer or a soft plastic sheet is interposed, if necessary, on the contact surfaces of the unit 1 and the reinforcing member 18 which are in contact with each other in the upper and lower stages. By providing such a cushioning material, an effect of absorbing vibration and shaking in the event of an earthquake or the like can be obtained in addition to a water stopping effect. Furthermore, after that, although not shown,
If a joint material is applied to the gap between the upper and lower units to be stacked as necessary, it is effective for maintaining watertightness and aesthetic appearance.

The wall 15 constructed as described above is extended in the same manner in the transverse direction of the slope 13 by a predetermined length, and the construction of the entire triangular wall for civil engineering is completed.

Next, the embankment material 3 is placed on the foundation concrete 14.
4 is stacked at a predetermined height between the back surface of the wall 15 and the slope 13. As the embankment material 34, an example is shown in which a square foam block made of foamed polystyrene, foamed polyolefin, or the like is used, but polyurethane may be foamed on site.

Although FIG. 7 shows an example in which a space is provided between the embankment material 34 and the reinforcing member 18, the space may be provided in close contact with the inside of the opening of the unit 1 or the side surface of the reinforcing member 18. continue,
A concrete floor plate 35 is cast on the embankment material 34, and sand 36 is spread on the concrete floor plate 35 to complete the embankment work 16. It is preferable that the concrete floor plate 35 be fixed by an anchor 37 which is driven into the slope 13. Finally, the asphalt is poured on the sand 36 to create the road 17, and the entire construction is completed.

In FIG. 7, the lowermost unit 1
And the reinforcing member 18 is fixed using the anchor bolts 27 and 27A in the foundation concrete 14, for example, FIG.
As shown in FIG. 1, a cap-shaped mounting member 40 comprising a torque bar housing 38 for screwing with an anchor type torque bar 27B embedded and fixed in the foundation concrete 14 and an engaging portion 39 having a diameter larger than that of the housing 38. May be used. The engaging portion 39 engages with the concrete to form the foundation concrete 14.
Prevent from getting out of.

As described above, the method for constructing a triangular wall for civil engineering according to the present invention has been described for the case where a road is constructed by embankment. However, the present invention provides a method for constructing a terrace-like plateau or forming a concrete form. It is also suitably used for construction and the like.

[0045]

As apparent from the above description, the following effects can be obtained by the mountain-shaped wall unit of the present invention and the triangular wall structure for civil engineering using the same.

The standing state of the mountain wall units stacked in a plurality of stages can be adjusted and strengthened by tension or pressure means without using steel piles as in the prior art. Therefore, large machines such as boring surveys and cranes are unnecessary.
The construction work of the wall is simplified and labor is greatly saved, and the construction can be performed in a short time and at low cost.

In addition, the standing state of the mountain-shaped wall unit forms a truss-like structure combined in a triangle shape and is mechanically stable, so that the pressure resistance from the inside and outside of the wall is improved. It will be extremely high. Therefore, the thickness of the wall can be reduced accordingly, so that the material can be saved and the weight can be reduced, and the work efficiency of civil engineering can be improved.

The wall constructed by stacking the mountain-shaped wall units has a high rigidity such as a stack of hollow triangular prisms, and can withstand the load capacity of the lower wall. It is extremely strong and can further improve long-term reliability.

Furthermore, since the constructed triangular wall is formed by connecting the units on the inside, there is no connection tool or the like exposed on the outer surface of the wall, which is different from ordinary buildings and structures. No, so it can be rich in aesthetics and texture.

[Brief description of the drawings]

FIG. 1 is a perspective view showing an example of a mountain wall unit according to the present invention.

FIG. 2 is a perspective view showing another example of the mountain wall unit of the present invention.

FIG. 3 is a perspective view showing another example of the mountain wall unit of the present invention.

FIG. 4 is a cross-sectional view showing an engaging portion when the mountain-shaped wall units of the present invention are stacked.

FIG. 5 is a perspective view showing another example of the mountain wall unit of the present invention.

FIG. 6 is a perspective view showing another example of the mountain wall unit of the present invention.

FIG. 7 is a sectional view showing a triangular wall structure of the present invention.

FIG. 8 is a plan view showing a triangular wall structure of the present invention.

FIG. 9A is a perspective view showing an example of a reinforcing member mounted on the mountain-shaped wall unit of the present invention. (B) It is a perspective view showing other examples of the same reinforcement.

FIG. 10 (a) is a perspective view showing an example of a connection plate for connecting the angled wall unit and the reinforcing member of the present invention. (B) It is a perspective view showing an example when the connecting plate is provided with an anchor function. (C) It is a perspective view showing an example when the connecting plate is provided with an anchor function and a stress absorption part.

FIG. 11 is a perspective view showing another example of fixing the lowermost unit of the mountain-shaped wall unit of the present invention.

[Explanation of symbols]

Reference Signs List 1 unit (mountain-shaped wall unit) 2 L panel part 3 R panel part 4, 4A torque bar insertion hole 5, 5A opening 6 coupling part 7 double mountain type wall unit 8 convex engaging part 9 concave engaging part 10 Recess for connection plate 11 recess for drainage / belt insertion 12 sloped ground 13 slope 14 foundation concrete 15 wall (triangular wall) 16 embankment 17 road 18 reinforcing body 19 connection plate 20 tension or pressure means 21, 21A torque bar DESCRIPTION OF SYMBOLS 22 Groove part 23 Fixing hole 24 Stress absorption part 25, 25A Torque adjuster 26 Kuriishi 27, 27A Anchor bolt 28, 28A
Nut 29, 29A Screw part 30, 30
A, 32, 32A Nut 31, 31A, 33, 33A Washer 34 Embankment material 35 Concrete floorboard 36 Sand 37 Anchor 38 Torque bar receiving section 39 Engaging section 40 Cap-shaped fixture

Claims (7)

[Claims] 1. A mountain comprising at least one mountain shape, a torque bar insertion hole near the top inside the unit, and an opening for adjusting the tension of the torque bar near the lower part of the unit. Mold wall unit. 2. The chevron wall unit according to claim 1, wherein an engaging portion to be fitted when stacking the units in a plurality of stages is provided at an upper portion and / or a lower portion of the unit. 3. The chevron wall unit according to claim 1, wherein a concave portion for a connection plate is provided near the top inside the unit. 4. The angled wall unit according to claim 1, wherein at least one concave portion for draining and inserting a belt is provided at a lower portion of the unit. 5. The mountain-shaped wall unit according to claim 1, which is stacked in a plurality of stages, a torque bar is inserted into a torque bar insertion hole inside the unit to adjust tension, and the unit is inserted into an opening of the unit. A reinforcing body having a torque bar insertion hole is mounted, the unit and the reinforcing body are connected by a connection plate, a torque bar is inserted into the torque bar insertion hole of the reinforcing body to adjust the tension, and the unit and the reinforcing body are connected to each other. And a triangular wall structure for civil engineering. 6. The triangular wall structure for civil engineering according to claim 5, wherein an anchor is connected to the connection plate. 7. The triangular wall structure for civil engineering according to claim 6, wherein the connection plate has a curved stress absorbing portion.