KR20120043912A - Anchor supporting system - Google Patents

Abstract

PURPOSE: An anchor support system with an embedded wale is provided to stably support a retaining wall by effectively dispersing tensile force and concentrated moment. CONSTITUTION: An anchor support system with an embedded wale comprises first and third pressure plates(15,25), first and third pressure plate connection members(37,38), second pressure plates(40,41), and a steel wire fixing member. The first pressure plates are located between a pair of wales. The third pressure plate is separated from the first pressure plates and is coupled to a steel wire guide. The first and third pressure plate connection members connect the first and third pressure plates to each other. The second pressure plates are coupled to the outer surfaces of the wales, the inner surfaces of the first and third pressure plate connection members. The steel wire fixing member is coupled to the end of the steel wire guide and fixes a steel wire.

Description

Belt-embedded anchor support system {Anchor supporting system}

The present invention relates to an anchor support system provided between a pair of strips formed in parallel when constituting a strip and an anchor support for supporting an earth wall (earth wall).

Earthwork walls are installed to prevent soil from collapsing to the excavated area of the excavated part when excavating the ground in civil engineering work. These earthen walls are placed on the ground vertically at regular intervals. Lamination later is common. FIG. 1 is a photograph taken with an earth wall (or an earth wall 1) and three pairs of bands in a road extension construction.

As shown in FIG. 2, a wall (also referred to as an anchor support) formed of steel is installed on a pair of bands (which may be several pairs) installed across the wall, and the end of the anchor wire is anchored as shown in FIG. 2. The fixing work of the earth wall 1 is completed by being bitten by (4) and fixing to the pressure plate 3.

However, conventionally, the pedestal supporting the end of the anchor is more protruded (to the right of FIG. 2) than the belt, so that when the concrete is poured by stacking the formwork to the front of the earth wall where the pedestal is installed (the right distance of the right of Fig. 2) There was a problem that the construction cost is increased due to the additional amount of concrete corresponding to the portion.

On the other hand, in the applicant's Patent No. 10-0901437 has proposed an anchor support which is built between a pair of bands by drilling a hole in the band, in the registered invention, the time and economic loss due to the formation of holes on the surface of the band. This greatly occurring problem was derived, and after the end of the construction, there was a problem that the strength was not suitable for reuse of the already formed band.

In view of this, the present invention is to focus on the problems of the prior art, to develop an anchor support system that can be anchored between a pair of belt support, without making a hole in the belt.

In addition, the present invention proposes an improved anchor support system capable of stably supporting the retaining wall by allowing the tensile force starting from the end of the wire and the concentrated moment thereof to be effectively distributed without being applied to the specific part of the anchor system.

As described above, in the present application, in order to solve the problems of the prior arts, the first object is to provide an anchor support system that can be anchored between a pair of bands without a hole processing in the first band ,

Secondly, the aim is to provide an improved anchor support system that can support the retaining wall more stably by allowing the tensile force starting from the end of the steel wire and its concentrated moment to be effectively distributed without being applied to the specific part of the anchor system. .

Looking at the configuration of the present invention for achieving the above object is as follows.

In the anchor support which is built between two strips used for the construction of the wall of the earth to prevent the collapse of the excavation surface after the ground excavation,

A first pressing plate positioned in a space between the pair of bands, the first pressing plate being coupled to one side of the inside of each band;

A third pressing plate which is spaced apart from the first pressing plate by a predetermined distance and formed in parallel to the first pressing plate, and is coupled to a steel wire guide for guiding the steel wire on one side of the center;

First and third pressure plate connecting members coupled to one side of the first and third pressure plates to fasten the first and third pressure plates;

A second pressure plate coupled to the outer side of the strip, and at the same time a bent portion is coupled to an upper surface of the third pressure plate, and the other end of the bent portion is seated and coupled to the first pressure plate;

A steel wire fixing member coupled to the steel wire guide end to fix the steel wire;

By including

Provided is a belt-embedded anchor support system, characterized in that the mechanical stability of the anchor support can be improved by transmitting and dispersing external force simultaneously on the protruding surface of the belt-length and one side of the belt-length inside.

Detailed configuration of the invention will be described later.

Through the present application, it is possible to provide an anchor support system capable of internally anchoring an anchor support between a pair of bands without making holes in the first band.

Secondly, the tension force from the end of the steel wire and the concentrated moment can be effectively distributed without being applied to the specific part of the anchor system, so that the retaining wall can be supported more stably.

1 is a factory wall surface installed with a strip,
Figure 2 is a side cross-sectional view of the wall portion of the conventional anchor support is installed,
3 is a perspective view of the anchor support according to the first embodiment of the present invention;
FIG. 4 is an exploded perspective view of FIG. 3,
5 is a side view of FIG. 2;
6 is a partial excerpt of FIG. 5,
7 is a view for explaining the external force of the belt-length;
8 is a perspective view of the anchor support according to the second embodiment of the present invention;
9 is an exploded perspective view illustrating some components of FIG. 8 separated from each other;
10 is a side view of FIG. 8.

Hereinafter, preferred embodiments of the present invention will be described with reference to the drawings. However, the scope of the present invention is not limited to the above embodiments, and all the inventions of the equivalent level that can be modified at the level of ordinary skill in the art belong to the scope of the present invention.

Figure 2 is a conventional anchor support is installed, the far left is the earth and sand, it is blocked by the earth wall (earth wall, 1), a pair of bands are attached to the earth wall. One side of the steel wire is fixed deep inside the earth and sand And the other side is bitten by the anchorage (4) to counteract the force to push the earth wall.

In this prior art, the dispersion of the force to the strip (2) is not evenly made, causing a problem that the anchor support structure is bent or broken, and also has a disadvantage in that a large amount of concrete is consumed structurally.

A first embodiment of the present invention is shown in FIG. 3, FIG. 4 is an exploded perspective view of FIG. 3, and FIG. 5 is a side view. 8 to 10 are diagrams related to the second embodiment of the present invention.

Figure 3 is a perspective view of the anchor support of the present invention is coupled between a pair of strips (100, 101) installed in parallel.

The ends of the various strands of steel wires installed with an inclination are fixed at four holes formed in the steel wire fixing member 87 (see FIG. 2), and the force of the steel wire fixing member 87 is increased in response to the force of the earth and sand pushed toward the retaining wall. I get caught.

In terms of mechanics, the role of the anchor support of the present invention is to properly distribute the anchor system external force and transfer it to the pair of strips 100,101, which will eventually support the retaining wall.

As shown in FIG. 3, the anchor supporter of the present invention is completely embedded between the pair of strips 100 and 101, and as can be seen from the side view of FIG. 3, it does not protrude from the right end of the strips 100 and 101. That is, the length A of FIG. 5 is greater than or equal to the length of FIG. 6. (FIG. 6 is an excerpt of a part of FIG. 5)

In the prior art shown in FIG. 2, the end of the anchor support is more protruding than the band 2 (protrudes to the right of FIG. 2), so that the concrete is poured by stacking the formwork with the earth wall front surface (a certain distance to the right of FIG. 2) where the pedestal is installed. Even when the concrete amount corresponding to the protruding portion is consumed additionally there was a problem that the construction cost increases.

However, since the present invention has been improved, the effect of improving the reduction in construction cost can be expected.

Figure 4 is an exploded perspective view of the anchor support of Figure 3 (the strip of Figure 2 is omitted in Figure 3).

When the components of the anchor support of Figure 4 are largely divided, the first pressure plate 10, the second pressure plate 40, the third pressure plate 20 and the reinforcing members (43 to 46) to mechanically reinforce the pressure plate and the It consists of connecting members 31 to 36 for connecting the pressure plates, members 80 and 87 for guiding and fixing the steel wire.

All components of FIG. 4 are preferably welded and integrally integrated in order to maintain rigidity. However, some joints applicable at the level of those skilled in the art may be screwed and such modified anchor support is also within the scope of the present invention.

The flat first pressing plate 10 and the bent shape of the second pressing plates 40 and 41 face the belt sheets 100 and 101 so that the force applied to the anchor support is directly transmitted to the belt sheets 100 and 101 due to the tension applied to the steel wire. It plays a role.

In other words, the structure of the second pressing plate (40, 41) will be described again, coupled to the outer surface of the strip (100, 101), and at the same time the portion bent in the A-shape is coupled to the upper surface of the third pressing plate (20) The other end of the bent portion is seated and coupled to the first pressing plate 10.

7 is a free body diagram showing the external force applied to the strips 100 and 101.

F1 and F3 are the forces exerted by the first pressure plate 10, F2 and F4 are the forces exerted from the second pressure plates 40 and 41, and F5 and F6 are in the vertical direction pressed against the flat surface inside the strip. It is showing power. And the curved arrow of FIG. 7D shows the strip outer moment.

In particular, the second pressure plate (40, 41) is a component that is not introduced at all in the conventional anchor support, it is implemented in a shape for minimizing the stress per unit area by widening the contact area in the transfer of external force to the strip (100, 101) It is.

As shown in Figure 5, the second pressing plate is preferably welded to the strip in the form of the letter c while wrapping the vicinity of the lower right corner (b position) of the strip 100.

The second press plates 40 and 41 are employed in the present invention in preparation for the case where the moments generated based on the geometric center of the anchor support are not symmetrically canceled as well as the dispersion of the force.

That is, it is possible to effectively prevent the warpage phenomenon of the various components by the second pressure plate (40, 41). On the other hand, as the reinforcing member of the second pressure plate, the wedge-shaped second pressure plate reinforcing members 43, 44, 45, and 46 are attached to the first pressure plate 10 and the second pressure plate 40, 41, respectively. Welded with 5 to prevent distortion of the second pressure plate.

4 and 5 will be described with respect to the other members. The first pressing plate 10 is welded to the strips 100 and 101 near the strip-side one side (a). The first pressing plate 10 has a steel wire guide (11) for guiding a steel wire (not shown) is formed.

The third pressing plate 20 is welded to the first pressing plate 10 by various rectangular connecting members 31, 32, 33, 34, 35, and 36. Steel wire guide 21 is also formed in the third pressing plate 20, the right side is integrated with the steel wire guide 80 of the inclined shape.

Preferably, the first pressing plate 10 is spaced apart from the predetermined pressing plate 10 to be parallel to the first pressing plate.

The third presser plate reinforcing members 71, 72, 73, and 74 are welded to the space between the upper and lower right portions (see FIG. 5) of the third presser plate 20 and the second presser plates 40 and 41, and the second and third presser plates are welded to each other. Strengthen the rigidity while unifying.

3 and 5, the band binding members 61 and 62 are formed at one side of the second press plates 40 and 41, which are simultaneously welded to the second press plates 40 and 41 and the band sheets 100 and 101. It also plays a role in reinforcing. If necessary, the band-binding member may be installed more than the number shown.

On the other hand, the end of the steel wire (not shown) is fixed in the steel wire fixing member 87, the structure is a known technique and is not related to the technical gist of the present invention, detailed description thereof will be omitted.

8 is a perspective view of an anchor support according to a second embodiment of the present invention. FIG. 9 is an exploded perspective view illustrating some components of FIG. 8, and FIG. 10 is a side view of FIG. 8. The same shape as that of the first embodiment will be denoted by the same reference numerals.

For convenience, in FIG. 8, the illustration of the strips (FIGS. 10, 100, and 101) is omitted, and the side view of FIG. 10 includes the strips (black portions).

In this embodiment, although the shape of the 1st pressure plate 15 and the 2nd pressure plate 40 and its fastening structure are slightly different, the basic function is the same.

The configuration of the second embodiment is summarized as follows.

That is, the first pressing plate 15 is located in the space between the pair of strips 100 and 101, and coupled to one side surface of each stripe;

A third pressing plate 25 which is spaced apart from the first pressing plate 15 by a predetermined distance and formed in parallel to the first pressing plate 15, and is coupled to the steel wire guide 80 for guiding the steel wire on one side of the center;

First and third pressure plate connecting members 37 and 38 coupled to one side of the first and third pressure plates 15 and 25 to weld the first and third pressure plates 10 and 20 to each other;

A portion (horizontal portion) of the first and third pressure plate connecting members 37 and 38 that is welded to the outer side surfaces of the strips 100 and 101 and bent at the same time as the letter B of the second pressure plate 40 and 41 is also welded. A second press plate (40, 41) welded to an inner side, and the end portion of the N-shaped bent portion is seated and welded to the first press plate (10); And

The steel wire fixing member 87 is coupled to the end of the steel wire guide 80 to fix the steel wire as a main component.

The first pressing plate 15 is separated up and down, between which is welded perpendicularly to one side of the first and third pressure plate connecting members (37, 38). Grooves 37a and 38a are formed at a predetermined depth at the right end of the first and third pressure plate connecting members 37 and 38 to accommodate the third pressure plate 25.

Since the grooves 37a and 38a are subjected to intensive stress from the third pressure plate 25, care should be taken not to form a thin thickness thereof.

In order to prevent the first and third pressure plate connecting members 37 and 38 and the second pressure plates 40 and 41 from being warped, the second pressure plate distortion preventing members (FIGS. 10, 39a and 39b) may be replaced by the second pressure plates 40 and 41. ) Weld-bonded between one side and one pair of first and third pressure plate connecting members 37 and 38 on one side of the right edge. (See FIG. 9)

The second pressing plate reinforcing members (FIGS. 5, 43, 44, 45, 46), which are employed in the first embodiment, are not shown in FIG. 10, but can be welded to reinforce the strength of the second pressing plates 40, 41. Of course.

Referring to the configuration in more detail with reference to the side view of Figure 10, the strips (100, 101) are located side by side up and down and the first pressure plate 15 is welded to the inside of the strip. The third pressing plate 25 is spaced apart a predetermined distance in parallel with the first pressing plate 15, the first and third pressing plate connecting members (37, 38) serves to couple the first pressing plate and the third pressing plate to each other. .

The b-shaped second press plates 40 and 41 are horizontally welded to one inner side of the pair of first and third press plate connecting members 37 and 38, and the other side (vertical portion of the b-shape) is a band (100,101). ) Welded to the outer surface.

The joining of the contact portions of all the components of the present invention is preferably a welded joint, but is not necessarily limited to this, of course, may adopt any joining method that can be employed at the level of those skilled in the art.

As described above, the scope of the present invention is not limited to the above embodiments, and all inventions of equivalent level that can be modified at the level of ordinary skill in the art belong to the scope of the present invention.

1st pressure plate (10) Steel wire guide (11, 21)
Third pressure plate 20 guide port 21
First and third pressure plate connecting members (31, 32, 33, 34, 35, 36)
Second pressure plate distortion preventing members 39a and 39b
Second pressure plate (40, 41)
Second pressure plate reinforcing member (43,44,45,46)
Band Binding Member (61,62)
Third pressure plate reinforcing member (71, 72, 73, 74)
Steel Wire Guide (80)
Steel wire fixing member (87)
Upper strip (100)
Bottom strap (101)

Claims (4)

In the anchor support which is built between two strips used for the construction of the wall of the earth to prevent the collapse of the excavation surface after the ground excavation,
A first pressing plate (10) positioned in a space between the pair of strips (100, 101) and coupled to one side of the strips;
A third pressing plate 20 which is spaced apart from the first pressing plate 10 by a predetermined distance and formed in parallel to the first pressing plate 10, and is coupled to the steel wire guide 80 for guiding the steel wire on one side of the center;
First and third pressure plate connecting members 31, 32, 33, 34, 35, which are coupled to one side of the first and third pressure plates 10 and 20 to weld the first and third pressure plates 10 and 20 to each other. 36);
It is coupled to the outer surface of the strip (100, 101), at the same time the bent portion of the second pressure plate (40, 41) is welded to one side of the third pressure plate 20, the other end of the bent portion Second pressing plates 40 and 41 seated and coupled to the first pressing plate 10;
A steel wire fixing member (87) coupled to the end of the steel wire guide (80) to fix the steel wire;
By including
A belt-embedded anchor support system, characterized in that the mechanical stability of the anchor support can be improved by simultaneously dispersing external forces on the outer protruding surface and the inner one side of the belt-length (100, 101).
The method according to claim 1, wherein one side of the edge of the surface contacting the strips (100, 101) and the second pressure plate (40, 41) to strengthen the binding force of the strips (100, 101) and the second pressure plate (40, 41), A belt-embedded anchor support system, characterized in that the belt binding member (61, 62) is welded to the second pressing plate at the same time.
The method of claim 1, wherein the bent inner space of the strips (100, 101) are simultaneously welded to one side of the first pressure plate 10 and one side of the second pressure plate (40, 41) to prevent the distortion of the second pressure plate (40, 41) In order to prevent the second pressing plate reinforcing member (43, 44, 45, 46) is further formed, characterized in that the belt-type buried anchor support system.
In the anchor support which is built between two strips used for the construction of the wall of the earth to prevent the collapse of the excavation surface after the ground excavation,
A first pressing plate (15) positioned in a space between the pair of strips (100, 101) and coupled to one side of each of the strips;
A third pressing plate 25 which is spaced apart from the first pressing plate 15 by a predetermined distance and formed parallel to the first pressing plate 15, and is coupled to the steel wire guide 80 for guiding the steel wire on one side of the center;
First and third pressure plate connecting members 37 and 38 coupled to one side of the first and third pressure plates 15 and 25 to weld the first and third pressure plates 10 and 20 to each other;
A portion (horizontal portion) of the first and third pressure plate connecting members 37 and 38 that is welded to the outer side surfaces of the strips 100 and 101 and bent at the same time as the letter B of the second pressure plate 40 and 41 is also welded. A second press plate (40, 41) welded to an inner side, and the end portion of the N-shaped bent portion is seated and welded to the first press plate (10);
A steel wire fixing member (87) coupled to the end of the steel wire guide (80) to fix the steel wire;
By including, by the external force is simultaneously distributed on the outer surface and the inner side of the protruding strips (100, 101), the strip-shaped buried anchor support system, characterized in that to improve the mechanical stability of the anchor support.

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