KR100955469B1 - Guid Apparatus for Soil Nail of reinforcing a slope - Google Patents

Abstract

According to the present invention, the wheel type reinforcement having a spacer function is fixed to the nail to be inserted into the drill hole, thereby preventing the sliding phenomenon to be biased to one side when the nail is inserted, and at the same time, the friction resistance is reduced by the wheel, so that the nail is easily inserted and the wheel is maximized. By placing the nail in the center, the reinforcement can not only prevent corrosion, but also the spacer can exert its shear and tensile force, thereby increasing the contact area between the ground and nail, improving shear force on unstable slopes and improving tensile strength as well as long-term collapse of the ground. Checking the construction length before and after constructing the structure that is strong in resistance (increased pull force) and embedded / buried in the ground and inserted into the ground, the length can be checked by measuring the length (depth) of the sensor. It is possible to purchase or CCTV, so it is possible to check perfect quality. To provide a construction method.

Slope reinforcement nails, wheels, reinforcements, rollers, bands

Description

Nail reinforcement method using wheel type reinforcement with spacer function and construction confirmation device {Guid Apparatus for Soil Nail of reinforcing a slope}

The present invention relates to a nail reinforcement ground reinforcing method using a wheel-type reinforcement having a spacing function and a construction check device, and more particularly, by mounting a wheel-type reinforcement having a spacing function on the nail, as well as a spacer function. As well as increasing the shear and tensile force (pulling force), the nail is stably positioned in the center of the drilling hole, and when the test tube is inserted before and after construction, the reinforcement in the ground and the structure (buried) in the ground are inserted. In addition, it is possible to check and at the same time to embed the sensor into the measuring tube or CCTV shooting, and the nail insertion ground reinforcement method that quality and economics are possible at the same time.

As the industry develops, it is inevitable to develop steep slopes such as mountainous areas through the construction of complexes, construction of new towns, roads and railways, etc. Therefore, construction efficiency, economic feasibility and environment can be improved while increasing the utilization of land and securing stability and comfort of residential complexes. It is required to establish a slope stabilization method that can satisfy the integrity.

Therefore, the nailing method injects the grouting material around the reinforcement (nail) inserted into the ground, and based on the basic concept that the soil of the reinforcement area acts like an integrated retaining wall. As a sieve (retaining wall and cladding) structure, it has advantages in terms of speed and economy compared to other methods in terms of the use of light equipment, and has been widely studied in the UK, France, Germany, Australia, USA and Korea. Ground reinforcement method that is currently used in many.

The nail reinforcing effect in the nailing method is determined by the strength of the nail itself and the friction between the grouting material and the ground, or the friction between the nail and the grouting material, and as a result, the nail is able to increase the tensile force (pulling force) when the nail collapses. In the ring method, a space has been mounted on the nail to position the nail in the center of the hole.

The spacer mounted at the tip of the nail plays an important role in maximizing the reinforcing effect of the nail by placing the nail at the center of the drilled hole so that the grouting material is uniformly injected into the drilled hole.

Referring to the drawings with reference to Figure 1 is a view showing a nail equipped with a space having only a function to position the conventional nail in the center of the hole and ground reinforcement method using the same.

1 to 1a are conventionally made of a rubber material or plastic, or those made by inflating the center by cutting a plastic tube.

Since the space 10 is a rubber material or a plastic material, the binding line 11 is tied to the nail 30 with a wire or plastic material string at a portion where both ends are mounted together with a grouting injection tube. Since the string is easily released or the string is broken because it is pushed by force, it causes a problem that the space 10 as well as the grouting injection tube deviate from the normal position. In addition, when inserted into the drilling hole (H), the rubber material projections or the inflated portion of the center of the plastic by pressing the pressure on the lower surface of the punch hole due to the problem that it does not sufficiently exert the role.

Meanwhile, as shown in FIG. 1A, a cone-shaped member (nailing cone) 40 is conventionally mounted on the nail 30 to expand the reinforcement range per nail 30 to reduce the number of nails 30 as a whole. Proposed nailing method.

That is, the friction area with the grouting material (G) is enlarged by the mounting of the nailing cone (40) to improve the pullout resistance of the nail (30), and the shearing force of the nail (30) by the reinforcement of the nailing cone (40). Shear force to the ground) and tensile force (tensile force generated during ground collapse) are improved.

Since the nailing cone 40 is mounted in such a way as to find the position while fitting from the end of the nail 30 having a considerable length like the spacer 10 described above, there is a problem that the installation work is troublesome, and the space 10 Will require a separate cost.

On the other hand, in addition to the reinforcement method described above, all the construction methods only check the reinforcement length only before construction, and there is no method to confirm the construction after construction. There was this.

The present invention has been proposed to solve the above problems in view of the above problems, and an object of the present invention; By reinforcing the nail, the shearing force on the original ground and the tensile force (increased pulling force) generated when the ground collapses, and the nails are stably positioned in the center of the drilling hole, and at the same time, the reinforcing tool having the spacing function is attached by using the wheels. The purpose of the present invention is to provide a ground reinforcing method with a three-stone trigeminal effect that maximizes the shear force or tensile force (pulling force) by contacting the hole wall.

Still another object of the present invention is to provide a nail-mounted wheel reinforcement tool for simultaneously performing a role of a spacer and a nail cone and a casting space through one member.

Another object of the present invention is to install a measuring tube that can check the length (depth) check before and after the construction of the nail reinforcement, the ground (depth) can be confirmed by the ground reinforcement method to be able to shoot the sensor later or the inside of the drilling hole by CCTV The purpose is to provide.

Another object of the present invention is to install a reinforcing tool at the nail tip (30 ~ 50cm) that performs the role of a spacer, such as a spacer and a railing cone and caster spacing at the same time, the spacing function to be installed at a predetermined interval at the remaining length When the wheel type reinforcing device is installed, the rubber or plastic material is tied to both ends of the straps, and the frictional resistance to the bottom of the hole is caused by the weight of the nail and the weight of the nailing cone or casting space, which is attached to the nail. This enlargement eliminates the disadvantage that the spacer is pushed to one side or the nail is not inserted to the end, and when the wheel is used, the wheel is attached to the wall of the drilled hole so that impurities are not attached to the nail and the tension and pull force are exhibited to the maximum. Soil nailing ground reinforcement method that can improve nail reinforcement range and result in economical construction There is a purpose.

Ground reinforcement method using the wheel-type reinforcement sphere and the construction check measurement tube of the present invention for solving the above problems and the step of fixing a plurality of wheel-type reinforcement and grouting injection pipe on the nail outer peripheral surface is inserted into the drilling hole: And the step of fixing the length of the nail to the nail and inserting it into the drilled hole to fix the inside of the drilled hole: measuring the inclination with the horizontal plane after the insertion and grouting through the grouting injection tube And injecting ash: covering the ground surface with shotcrete or surface greening, thereby preliminarily grasping the length (depth) of the drilling hole and earth pressure in the ground before reinforcement. To provide the optimal construction, and after the construction, it is possible to check the depth (length), as well as later purchase the sensor into the measurement pipe or C It also allows CTV shooting so that the length (depth) can be checked at the time of construction or after completion, and the earth pressure change in the ground can be checked in advance through the measuring tube, so the construction method can prevent accidents and accidents in advance. do.

 The wheel type reinforcement is distributed and fixed in multiple directions by the connection band on the outer circumference of the nail, eliminating frictional resistance when the nail is inserted along the drill hole, and at the same time contacting the wall of the drill hole to maximize the shear or tensile force (pulling force). It is characterized by having a number of nail wheel portion to act as a spacer so that the stone and stone effect is located in the center of the drilling hole.

In addition, the measuring tube is characterized in that it is configured to determine the depth from the outside by forming a measurement scale capable of measuring the length (depth) on the outer surface of the measuring tube made of a transparent acrylic tube.

According to the ground reinforcement method using the wheel reinforcement for slope reinforcement according to the present invention, since the wheel reinforcement is located in the vertical position of the reinforcing bar is installed so that the tensile force of the reinforcing bar is maximized, the contact between the ground and the reinforcing bar Not only can the area be increased, but the earth pressure is evenly distributed throughout the reinforcing bar, thereby preventing partial destruction of grouting and wedge destruction of slopes.

In addition, since the wheel reinforcement is easy to attach and detach from the reinforcing bars, the wheel reinforcement can be immediately installed at the predetermined position of the reinforcement under the conditions required for the design specification at the construction site. The space occupancy can be lowered.

In addition, the wheel type reinforcement is fixed to the outer peripheral surface of the nail through a plurality of nail wheels distributed in multiple directions through the connection band, so that when the nail is inserted along the drilling hole, the frictional resistance is eliminated and inserted more smoothly. It can be guided to be automatically positioned in the center of the hole, and at the same time, it can minimize adhesion of impurities to the nail, thereby increasing adhesion to cement mortar, and increasing the even strength distribution and tensile force.

The present invention is not only to increase the contact area of the nail and the ground after the nail construction, but also to distribute the earth pressure evenly throughout the nail to prevent partial destruction of the grouting and wedge destruction of the slope in advance and Since the nail wheel part of the present invention is easy to attach from the nail, the nail wheel part can be immediately installed at a predetermined position of the nail according to the requirements of the design specification at the construction site, and the nail and the nail wheel part can be separated and transported and stored. There is also an effect that can reduce the space occupancy.

In addition, the present invention has the advantage that it is possible to complete the construction at the time of construction by installing a measuring tube in the reinforcement material in the ground and can be confirmed in advance after construction to prevent incidents and accidents.

Hereinafter, with reference to the accompanying drawings to explain the specific construction method of the present invention.

First, the present invention will be described in detail with reference to FIGS. 2 to 4.

For reference, in the drawings of the present invention for the same configuration as the conventional configuration the same name and the same reference numerals, and detailed description thereof will be omitted.

Ground reinforcement method using the reinforcement wheel type reinforcement sphere according to the present invention, the step of fixing a plurality of wheel reinforcement sphere and grouting injection tube to the nail outer peripheral surface inserted into the drilling hole, depth measurement and drilling hole in the nail Binding the measuring tube so as to allow the internal shooting to be inserted into the perforation hole and fixedly installing, measuring the inclination with the horizontal plane after insertion, and injecting the grouting material through the grouting injection tube, It consists of a coating process capable of shotcrete or surface greening.

As a result, the present invention is a fixing step (S1) for fixing the reinforcement sphere and the injection tube to the nail, the insertion step (S2) for fixing the measuring tube to be inserted into the drilling hole, and the measuring step (S3) to check the inside through the measuring tube ) And injection step (S4), the method features of the present invention by the above method is as follows.

As shown in FIG. 2, the reinforcement ball B is connected to the outer circumferential surface of the nail 3 in relation to the wheel type reinforcement ball B and the measuring tube A during the fixing step S1 consisting of the first and the second. Multi-distributed and fixed by the band 13 to remove the frictional resistance when the nail (3) is inserted along the drill hole (2) and at the same time serves as a spacer to be automatically positioned in the center of the drill hole (2) It consists of a nail wheel part 20.

The plurality of nail wheels 20 have a connection hole 22a formed at one end thereof so that the connection band 13 penetrates to both sides thereof, and a support bracket 22 having a declination shape having the other end opened therein, and the support bracket. It consists of the roller 26 couple | bonded freely with the coupling shaft 24 inside the opening end of 22 by the medium.

The plurality of nail wheels 20 are adjusted to be spaced at regular intervals in three directions with respect to the outer peripheral surface of the nail, as shown in Figure 3 when the connection band 13 is tightly tightened to the outer peripheral surface of the nail (3) It is preferable.

FIG. 6 illustrates a semi-circular lame groove 15 formed on the surface of the roller 26 which is rubbed on the ground as another embodiment of the nail wheel part, thereby embedding the measuring tube 17 therein.

In addition, it is preferable that the plurality of nail wheels are fixed to the front and rear ends of the nail by connecting bands, respectively.

At this time, the connection band 13 is made of a known metal material, it is used when fixing the plurality of nail wheel portion 20 to the outer peripheral surface of the nail (3).

The inserting step (S2) of fixing the measuring tube to the nail and inserting it into the punching hole is configured to form a measuring scale on the outer surface of the measuring tube 2 made of a transparent acrylic tube to check the depth from the outside.

The outer surface of the measuring tube is spaced apart at a certain interval to form an acrylic tube fixing device is configured so that the measuring tube is fixed without flowing, and the fixing device is attached to the outer surface of the measuring tube in the form of a pin and is randomly drawn after being embedded The fixing device can reinforce the strength of the measuring tube.

Measurement scale is formed on the outer surface of the scale bar embedded in the inner side of the measuring tube and is embedded in the embedded measuring tube to check the scale bar from the outside to check the depth.

The measuring tube is made of a transparent acrylic tube, but in addition to the acrylic tube, it is also possible to use a transparent synthetic resin, and the measuring tube made of a transparent material is to check the ground around the measuring tube by inserting a CCTV into the measuring tube.

Therefore, if you shoot a lot inside the measuring tube with CCTV, it is better to use a transparent material if possible.

As such, after fixing the reinforcing tool and the measuring tube to the nail is to construct the step of inserting the nail into the drilling hole.

When the nail is inserted into the drilled hole 2 drilled on the slope 1 as shown in FIG. 4, the plurality of nail wheels 20 are in contact with the inner circumferential surface of the drilled hole 2 to make a rolling motion while the nail 3 is drilled. At the same time to guide the center of the hole (2) and at the same time to prevent the contact of the drilling hole (2) and the nail 3 in advance to minimize the impurities on the surface of the nail (3).

When the nail is inserted, the measuring tube is fixed to the inner roller 26 of the nail wheel part. Therefore, the measuring tube is inserted without damage to the measuring tube. After the insertion process, the measuring tube is printed on the outer peripheral surface of the measuring tube. ) To measure the depth.

After measuring the depth (length) of the punched hole, if the desired measurement depth is reached, the step of measuring the inside of the ground by inserting the CCTV or sensor into the measuring tube 17 inside.

In the case of CCTV, it is a method to check the soil quality visually as a step to check the internal condition of the ground, and to increase or decrease the depth of the perforation hole according to the soil quality.

After the CCTV inspection, the sensor is inserted to check the angle between the pressure inside the ground and the horizontal plane. After completion of construction, the angle between the ground plane is measured by re-inspection. Measure changes so that you can predict changes in the ground.

When the nail 3 is inserted, the nail 3 is fixed while closing the perforation hole 2. The closing of the drilling hole 2 can use the pressure plate 6 in a conventional manner.

That is, the nail is fixed while the nail end portion penetrates the acupressure plate 6 having a through-hole formed in the center of the size to close the drilling hole 2 and the acupressure plate is in close contact with the perforated surface using an anti-loosening nut. The anti-loosening nut is used as a method of directly fastening the end portion of the male threaded nail or by preparing a liner screw having a male thread formed on the outer circumferential surface while being in close contact with the nail.

After measuring the inside of the drilling hole through a measuring tube, the injection step (S4) is constructed. First, grouting material (G) is injected through the grouting injection tube. At this time, since the grouting injection pipe is inserted into the drilling hole 2 while fixing its position without a separate binding line, the grouting operation will proceed smoothly since the grouting material (G) will not be released from its position.

When the cement mortar (4) is injected into the drill hole (2) after the grouting operation to harden, a plurality of nail wheels 20 are selected while increasing the adhesion between the nail (3) and the cement mortar (4) free of impurities. It will increase the strength distribution and tensile force.

That is, the nail wheel part 20 is installed on the nail 3 at intervals of 1.5M to 2.0M so that the earth pressure is evenly distributed throughout the nail 3 as well as the nail when applying the tension to the nail 3. It is located perpendicular to (3) to maximize the tensile force of the nail (3), in particular can function until the nail (3) is subjected to stress above the yield point.

After grouting injection, the shotcrete or greened soil is covered to protect the nail reinforced ground surface. When coated with shotcrete, the present invention will be completed by a conventional soil nailing method, and when coated with green earth, the present invention will be completed by a sloped greening method.

However, in the case of covering the greening soil, the step is formed to be divided into a drill hole for nail installation and a drill hole for drain pipe installation, and then inserting and installing a drain pipe in the drill hole for drain pipe installation. Do it.

As the drain pipe, a commonly used perforated pipe and an S-shaped bundle pipe may be adopted. In addition, for smooth drainage, the greening soil coating may be recorded with environmentally friendly artificial soils of native vegetation that can be harmonized with the surrounding environment. I can complete it.

The construction method according to the present invention has the following effects.

First, maximizing the contact area of the nail (3) when a plurality of nail wheel portion 20 is installed in the nail (3) at intervals of 1.5M ~ 2.0M inserted into the drill hole (2) of the slope (1) It is possible to achieve an integration between the slope 1 and the nail (3).

That is, the soil nailing method for reinforcing the slope is to earth pressure is delivered to the nail (3) when the filling only in the nail wheel part 20 in the terrain where the cement mortar (4) is not completely filled in the drilling hole (2) do.

Second, since the nail (3) and the pressure plate (6) can be integrated with the force required by the design, the sliding of the nail (3) due to the fluidity of the slope (1) and the partial destruction and slope of the cement mortar (1) (1). The wedge break of) can be prevented beforehand.

Third, the tension required by the design specification can be applied to all nails (3). In other words, although the current specification states that one hole per 50-100 holes is to be tensioned, this cannot be 100% reliable for slope (1) stability by sample test. However, the plurality of nail wheels 20 can be the best quality construction when the tensile test for all karate.

Fourth, the material used as the spacing member at the time of nailing construction is usually made of plastic and serves to provide only the adjustment of the position of the nail 3, but the nail wheel part 20 performs the role of the spacing member as well as the slope (1). ) At the same time, it is possible to maximize the tensile force required for stabilization.

Fifth, the plurality of nail wheels 20 can be constructed in any soil of the slope (1). Particularly, the terrain with a lot of joints in the present construction has a lot of loosening of the slope (1), so there is a risk of collapse of the slope (1) even after the soil nailing construction, but the method using the nail wheel part 20 of the present invention is the slope of the slope (1). Since the tension is held by the tension, the collapse of the slope (1) can be eliminated, and the soil quality can be checked in advance, and the changes in the soil after construction can be checked at any time, thus preventing accidents in advance.

Sixth, the plurality of nail wheel portion 20 can be installed immediately through the connection band 13 to the nail wheel portion 20 at a predetermined position of the nail (3) under the conditions required for the design specifications in the construction site, nail (3) and the nail wheel part 20 can be separated and transported and stored separately, so the space occupancy is small.

The present invention is not limited only to the above-described embodiments, but may be modified and modified without departing from the scope of the present invention, and the technical spirit to which such modifications and variations are applied should also be regarded as belonging to the following claims. .

1 and 1a is a construction of a conventional nail nail.

Figure 2 is a perspective view of a wheel according to the present invention.

Figure 3 is a plan view showing a state in which the wheels are coupled to the nail in accordance with the present invention.

Figure 4 is a state of use of the saw nail nail wheel reinforcement according to the present invention.

5 is a block diagram schematically showing a reinforcement method of the present invention.

6 is a schematic diagram showing another embodiment of a wheel;

<Description of Symbols for Main Parts of Drawings>

1: slope 2: drilling hole

3: nail 13: connection band

20: nail wheel part 22: support bracket

22a: connecting hole 24: connecting shaft

26: roller

Claims (6)

delete delete delete It is distributed in multiple directions by the connecting band 13 on the outer circumferential surface of the nail 3 inserted into the drill hole 2 drilled on the slope 1 so that the friction when the nail 3 is inserted along the drill hole 2 A plurality of nail wheels 20 serving as spacers to be positioned at the center of the drilling hole 2 at the same time removing resistance, the nail wheels are connected to one end of the connection band 13 so that the connection band 13 penetrates to both sides ( Slope for reinforcing the slope consisting of a support bracket 22 having a 22a) formed and the other end opened, and a roller 26 freely coupled to the inside of the opening end of the support bracket 22 via a connecting shaft 24. In the nail, a semicircular rail groove 15 is formed on the surface of the roller 26 coupled through the connecting shaft 24 inside the opening end of the support bracket 22 constituting the nail wheel part 20. Wheel-type reinforcement fixed to the construction check measuring tube, characterized in that the inner measuring tube (17). Fixing a plurality of nail wheel portion 20 and the grouting injection tube on the outer circumferential surface of the nail (3) inserted into the drilling hole (2) drilled on the slope 1, the roller constituting the nail wheel portion 20 (26) to measure the depth of the surface and to shoot inside the drilling hole to bind the measuring tube (17) to be installed in the drilling hole to fix the installation, after insertion of the nail to check the ground inside the CCTV or the sensor Measuring step of measuring the inclination with the horizontal plane using the step of injecting the grouting material through the grouting injection pipe after measuring the inside of the drilling hole, and coating the rust soil which can be shotcrete or surface greening treatment on the ground surface Nail insertion ground reinforcement method using a wheel-shaped reinforcement fixed to the construction check measuring tube comprising a. According to claim 5, wherein the measuring tube is made of a transparent material that can be checked inside and outside the construction can be checked inside the ground by CCTV, and the construction check measurement, characterized in that to determine the depth of the drilling hole by the measurement scale printed on the surface Nail reinforcement method using nail reinforcement fixed to the tube.

Images