JP2001172966A - Pressure perceiving plate for anchor method - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a pressure receiving plate for an anchor method, which is lightweight when carrying to the job site and not bulky, and can be installed easily. SOLUTION: This pressure receiving plate is for the anchor method using a framed main body 2 embedded underground for preventing landslide or the rupture of the face of slope by using anchor members members fixed to the ground, and the framed main body 2 is constituted with a cross-shaped flat section and this cross-shaped framed main body 2 is divided into two framed members 7, 9.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a pressure receiving plate for an anchoring method having a frame-shaped body for preventing a landslide or a slope from collapsing by using an anchor member engaged in the ground to press against a slope.

[0002]

2. Description of the Related Art As shown in FIG. 3, an anchor 3a inserted into an anchor hole H formed by excavating underground is locked and fixed using a grout material G as shown in FIG. The anchor head 3b is locked and fixed to the receiving seat 4 of the pressure receiving plate 1 in which the ground surface 1a is brought into contact with the slope F. Conventionally, as shown in FIG. 4, the pressure receiving plate 1 is formed of a cross-shaped precast concrete block, and is fixed on the slope F in order, and is arranged in a lattice-like shape as a whole. The pressure receiving plate 1 is bulky and weighs 3 to
Although it reaches 4 tons, it is transported on the slope F and fixed to the ground B by the anchor member 3, and the ground contact surface portion 1a is pressed against the slope F by tensioning the anchor member 3. Is done.

[0003]

As described above, since the conventional pressure receiving plate 1 is a heavy object made of a precast concrete block, it requires a great deal of labor and transportation cost for transportation, and furthermore, the transportation and the ground B There was a danger in fixing to

An object of the present invention is to solve such a conventional problem and to provide a pressure receiving plate for an anchoring method which is lightweight, not bulky, and easy to carry when transported to a construction site. And

[0005]

Means for Solving the Problem [Structure] As shown in FIGS. 1 and 2, a characteristic structure of the invention according to claim 1 is that an anchor member 3 locked in the ground presses against a slope F. A pressure receiving plate for an anchoring method comprising a frame-shaped body 2 for preventing landslides and slope collapse, wherein the frame-shaped body 2 is formed in a cross-section with a flat cross section, and the cross-shaped frame-shaped body 2 is divided into two sections. It is divided into frame members 7 and 9.

As shown in FIG. 2, one of the two frame members 7, 9 is provided with an engagement member having a lower central portion thereof. A portion 7e is formed, and the other frame-shaped member 9 is formed with an engaged portion 9e lacking the upper portion of the center portion, and the engaging portion 7e can engage with the engaged portion 9e. Where it is configured.

[0007] As described above, reference numerals have been used for convenience of comparison with the drawings, but the present invention is not limited to the configuration shown in the accompanying drawings.

According to the first aspect of the present invention, the frame-shaped main body for preventing landslide and slope collapse by pressing against the slope by using the anchor member locked in the ground. Since the cross-shaped frame-shaped main body is divided into two frame-shaped members, the frame-shaped main body is divided into two frame-shaped members and transported when transporting to a construction site. Thereby, each frame-shaped member is lighter than the frame-shaped main body, and is in a form suitable for transportation without being bulky, and can be transported to the construction site at relatively low transportation cost and with less danger. it can.

According to the characteristic feature of the second aspect of the present invention, one of the two frame-shaped members is formed with an engaging portion lacking the lower portion of the center portion, and the other frame-shaped member is formed. Is formed with an engaged portion lacking the upper portion of the center portion thereof, and the engaging portion can be engaged with the engaged portion. By engaging the engagement part,
The two frame-shaped members can be assembled in a cross-section with a flat cross section. Furthermore, when assembling two frame-shaped members at the construction site,
The frame member on which the engaged part lacking the upper part is formed is installed at a predetermined location, and the frame member on which the engaging part lacking the lower part is formed is installed from above. Thus, it is possible to assemble by engaging the engaging portion with the engaged portion,
Assembly work of the frame-shaped members and construction of the frame-shaped main body can be easily performed.

[0010]

DESCRIPTION OF THE PREFERRED EMBODIMENTS An embodiment of a pressure receiving plate for an anchor method according to the present invention will be described with reference to the drawings. FIG. 1 is a longitudinal sectional view of the pressure receiving plate for the anchoring method, FIG. 2 is a perspective view of the pressure receiving plate for the anchoring method, and a pressure receiving plate for the anchoring method (hereinafter simply referred to as a pressure receiving plate) 1 is shown in FIG. As shown in the figure, the grout material G is injected into an anchor hole H formed by excavation in the ground, and the anchor member 3 (generally referred to as tendon) is engaged with the grout material G and pressed against the slope face F by using the above method. Surface F
It is designed to prevent landslides and slope failures.
The pressure receiving plate 1 includes a grounding bottom plate 2 a and the anchor member 3.
And a locking portion 2b having a receiving seat 4 with which the anchor head 3b can be engaged. The pressure receiving plate 1 is open on the grounding surface portion 1a side, and has fluidity between the pressure receiving plate 1 and the slope F. It is provided with a frame-shaped main body 2 in which a filling space S capable of filling with a filler 5 is formed.

The frame-shaped body 2 is provided with a partition wall 2d for partitioning the grounding surface 1a in the space S for filling, and the space S for filling is formed by an outer peripheral wall of the frame-shaped body 2. A partition space S1 is formed by the portion 2c and the partition wall portion 2d, and a ground portion 2e is formed on the outer peripheral wall portion 2c and the partition wall portion 2d on the ground surface portion 1a side. With the above configuration, when the frame-shaped main body 2 is pressed against the ground B by the temporary tension of the anchor member 3, each of the wall portions 2c,
Each of the grounding portions 2e of 2d fits into the ground B to some extent, but since the grounding bottom plate 2a is pressed against the slope F, the grounding portions 2e are prevented from largely fitting into the ground B. .

Therefore, each of the grounding portions 2e is appropriately grounded B
As a result, the grounding surface portion 1a of the filling space S
On the side, for example, there is no possibility that a gap for leakage of the slurry-like concrete 5 as the solidifying filler is generated.
Furthermore, by filling the concrete 5 into each of the compartments S1 in a state where the grounding surface portion 1a is sealed, the concrete 5 is solidified in each of the compartments S1 and integrated with the frame-shaped main body 2. The contact surface formed on the contact surface portion 1a side of the solidified concrete 5A faithfully has a surface shape along the slope F. Thus, when the anchor member 3 is tensioned, the pressure receiving plate 1 formed integrally with the concrete 5A and formed by the frame-shaped main body 2 can uniformly apply a load to the ground B from the ground contact surface 1a. It is.

The outer peripheral wall 2c and the partition wall 2d
Is formed so that the wall thickness decreases toward the ground contact surface portion 1a, the surface interval between the wall portions 2c and 2d is increased on the contact surface portion 1a side, and the concrete 5A
Constitutes escape prevention means 6 for preventing escape from the frame-shaped main body 2. For example, when the earth pressure increases, the concrete 5A moves upward from the slope F with respect to the concrete 5A. Even when a pushing force is applied, the concrete 5A has a high compressive strength, so that the concrete from the slope F is acted on by the acting force from the slope F in the filling space S whose sectional area is reduced upward. 5A opposes the force pushed upward from the partition space S1, and the reaction force from the inner wall surface 2f of each of the outer peripheral wall portion 2c and the partition wall portion 2d acts on the concrete 5A.
A can be prevented from coming out upward.

The grounding bottom plate 2a is provided at the bottom of a partitioned space S1 located at the center of the frame-shaped main body 2, and bulges the central portion upward in the same partitioned space S1 to form an upper surface. Is formed into a spherical surface, and a spherical receiving seat 4 having a through-hole at the center thereof is disposed, so that the anchor member 3 has a degree of freedom in the locking angle to the ground B. As a result, when the anchor hole H is excavated, the anchor 3a is inserted into the anchor hole H, and the anchor hole H is re-excavated according to the result of the tension test in a state where the grout material G is injected and locked. Although the above-mentioned locking angle naturally differs, the anchor head 3 of the anchor member 3 can be used even when the locking angle changes.
Since b is locked to the frame-shaped main body 2 via the spherical receiving seat 4, no rotational moment is applied to the pressure receiving plate 1 with the tension of the anchor 3a. In this way, landslides and slope collapse prevention construction are facilitated.

As shown in FIG. 2B, the frame-shaped body 2 is divided into a first frame-shaped member 7 and a second frame-shaped member 9, and the first frame-shaped member 7 is An engaging portion 7e for engaging the second frame-shaped member 9 from above is provided, and a locking portion 7b having a spherical receiving seat 4 engageable with the anchor member 3 is provided, and the ground side is opened. In addition, a filling space S capable of filling the solidifying filler 5 is formed inside the inclined ground. The second frame-shaped member 9 includes an engaged portion 9e for engaging with the engaging portion 7e from below, a grounding bottom plate 9a is provided, the grounding side is opened, and the second ground member 9 is connected to the inclined ground. A filling space S in which the solidifying filler 5 can be filled is formed therein.

More specifically, the first frame-shaped member 7 having a rectangular parallelepiped shape and having the engagement portion 7e lacking the lower portion of the center portion defines a filling space S inside the outer peripheral wall portion 7c. And a partition wall portion 7d forming a partition space S1 is provided, and a locking portion 7b is provided at a portion corresponding to the partition space located at the center of the partition wall portion 7d, and a spherical receiving seat 4 is provided on the locking portion 7b. It is. On the other hand, the second frame-shaped member 9 having a rectangular parallelepiped shape and lacking the upper portion of the center portion and forming the engaged portion 9e also defines the filling space S inside the outer peripheral wall portion 9c.
1 is provided, a grounding bottom plate 9a is provided in the grounding portion of the engaged portion 9e, and an anchor penetration portion 9b is provided in the grounding bottom plate 9a.

Therefore, when transporting, it is possible to transport the product by dividing it into rectangular frame-like members 7 and 9 which are lightweight and have a narrow width and are suitable for transportation. The second frame-shaped member 9 is set at a predetermined position, and the first frame-shaped member 7 is engaged with the second frame-shaped member 9 from above the engaged portion 9e of the second frame-shaped member 9. Therefore, as shown in FIG.
The pressure receiving plate 1 including the frame-shaped main body 2 suitable for transportation and construction can be formed. When the two frame members 7 and 9 are assembled in this manner, the locking portions 7 of the first frame member 7 are assembled.
b corresponds to the locking portion 2b shown in FIG. 1, the ground bottom plate 9a of the second frame-shaped member 9 corresponds to the ground bottom plate 2a shown in FIG. The wall portion 7c and the outer peripheral wall portion 9c of the second frame member 9 are connected to the outer peripheral wall portion 2c shown in FIG.
Further, the frame-shaped main body 2 is formed in a state where the partition wall 7d of the first frame-shaped member 7 and the partition wall 9d of the second frame-shaped member 9 respectively correspond to the partition wall 2d shown in FIG. It is formed.

Next, another embodiment of the present invention will be described. <1> In the above-described embodiment, an example has been shown in which the solidified concrete 5A is integrally formed in the filling space S by using concrete as the solidifying filler 5, but the solidifying filler 5 is made of concrete. Not limited to this, it is also possible to use other solidifying fillers, for example, synthetic resins and the like, which exhibit fluidity before filling and solidify with sufficient strength after filling.

[Brief description of the drawings]

FIG. 1 is a longitudinal sectional view showing an installation example of a pressure receiving plate for an anchor method.

FIG. 2 is a perspective view of a pressure receiving plate for an anchor method.

FIG. 3 is a longitudinal sectional view showing a state of installation of a pressure receiving plate for a conventional anchor method.

FIG. 4 is a plan view of a conventional pressure receiving plate for an anchor method.

[Explanation of symbols]

 2 Frame-shaped body 3 Anchor member 7, 9 Frame-shaped member 7e Engaging part 9e Engaged part F Slope

Claims (2)

[Claims] 1. A pressure receiving plate for an anchoring method, comprising a frame-shaped body for preventing a landslide or a slope from collapsing by pressing against a slope using an anchor member locked in the ground, wherein the frame-shaped body is A pressure plate for an anchoring method, wherein the pressure plate has a cross-shaped flat cross section, and the cross-shaped frame-shaped main body is divided into two frame-shaped members. 2. An engagement portion lacking a lower portion of a central portion of one of the two frame-shaped members is formed,
2. The other frame-shaped member is formed with an engaged portion lacking an upper portion of a center portion thereof, and the engaging portion is configured to be able to engage with the engaged portion. Pressure plate for anchor method.