KR101335957B1 - Non-boring blow type anchor and soil nailing method using the same - Google Patents

Abstract

The present invention relates to a non-boring blow-type anchor and a soil-nailing method using the same, wherein the anchor enables ground reinforcement without ground digging and grouting work. The non-boring blow-type anchor of the present invention is a non-boring blow-type anchor which is inserted into and mounted in the ground by a blow, and comprises the following components: an anchor block where an insertion hole, into which a blow rod is inserted, is formed at the rear; a ground pressure plate which is combined at both sides of the anchor block; a fixing unit which is combined at the upper part of the anchor block; and a tension block wherein the front is hinge-combined with the fixing unit, and a combining hole, where a tension rod is inserted and combined, is formed at the rear. The tension block is equipped with a hinge plate, which is hinge-combined with the fixing unit by a hinge pin, at the front end. The hinge pin is equipped with a torsion spring which applies a force to enable the tension block to be rotated upward. A guide hole is formed by being punched on the upper surface of the anchor block in a lengthwise direction. And a hooking unit is formed to protrude and slope downward at the front of the hinge plate, wherein the hooking unit is inserted into the guide hole and allows the lower end to protrude into the insertion hole of the anchor block; rotates the tension block when the blow rod is inserted into the insertion hole; and therefore maintains the tension block and the anchor block in parallel.

Description

Non-boring blow type anchor and soil nailing method using the same}

The present invention relates to a non-perforated hitting anchor that can reinforce the ground without ground excavation and grouting work, and the sawing nailing method using the same.

In the case of slope reinforcement work or construction of temporary cladding structure, the ground may be reinforced by anchor method or saw nail method.

Among them, the anchoring method is to insert the anchor consisting of the stranded wire into the ground after the ground drilling work, then grouting to anchor the anchor anchoring part, grouting the anchor main surface, and then to the reinforcement of the ground by prestressing the tension work on the head It is a construction method to plan.

Soil nail method is a method of restraining the displacement of the ground by increasing the shear strength of the ground as a whole by installing the reinforcing materials, such as plastic rods, glass fibers, steel wires, etc. at close intervals on the ground and grouting the main surface after ground drilling.

However, since the ground reinforcement by the conventional anchor construction method or the saw nail method is inevitably accompanied by the preceding ground drilling work and grouting work, the fixing process is complicated and the air and construction cost required for the ground excavation are reduced to the total air and construction cost. It is a significant part.

In addition, in both methods, when the soft ground is deeply distributed, the depth must be reinforced to the rock, which inevitably increases the construction cost.

Therefore, there has been a technology for the slope reinforcing anchor that can reduce the time and cost of the ground reinforcement by installing the anchor in the ground without ground drilling work and grouting work (Public Patent No. 10-2005-0093748) .

The prior art hits the anchor rod fixedly connected to the rod connecting rod formed at the rear of the anchor body by inserting the anchor into the ground, and then a pair of wing plates that are coupled to both sides of the anchor body in the process of drawing the anchor rod is unfolded Form a fixing part in the ground.

However, due to the impact on the anchor rod when the anchor rod is hit, the anchor rod itself may be damaged or a defect may occur in the coupling relationship between the anchor rod and the rod connecting rod. It was difficult to guarantee the formation of underground settlements.

In order to solve the above problems, the present invention can omit the ground perforation process and grouting process when reinforcing the ground such as slope slope reinforcement work or temporary soil structure, and the non-perforated hitting anchor that can reduce the air and construction costs required To provide a saw nailing method using the same.

In addition, the present invention by separating the anchor insertion rod and the anchor drawing rod, the impermeable impact anchor that can prevent the damage caused by the impact of the anchor insertion rod on the anchor body when the anchor is inserted, and the nail nail using the same To provide a ring method.

The present invention according to a preferred embodiment to solve the above problems relates to a non-perforated hitting anchor that is inserted and mounted in the ground by hitting, the perforated hitting anchor is inserted into the hitting rod is inserted in the rear Anchor block formed ball; Acupressure plate coupled to both sides of the anchor block; Fixture coupled to the upper anchor block; And a tension block having a coupling hole to which the front rod is hinged to the fixture, and a tension rod is inserted into the rear and coupled thereto. Consisting of, the tension block is provided with a hinge plate hinged by the fastener and the hinge pin at the front end, the hinge pin is provided with a torsion spring to force the tension block to move upward upward, Guide grooves are formed through the upper surface in the longitudinal direction, and the front of the hinge plate is inserted into the guide grooves so that the lower end protrudes into the insertion hole of the anchor block so that the tension block is rotated by the insertion of the striking rod. It provides a non-perforated hitting anchor, characterized in that the locking port for maintaining the anchor block in parallel to protrude downward inclined.

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According to another preferred embodiment of the present invention, a thread is formed on an outer circumferential surface of the tension rod end, and provides a non-perforated impact anchor, which is screwed to a thread formed on an inner circumferential surface of a coupling hole of the tension block.

According to another preferred embodiment of the present invention, the rear end portion of the anchor block provides a non-perforated hitting anchor, characterized in that the bottom is inclined to pointed.

The present invention according to another preferred embodiment provides a non-perforated hitting anchor, characterized in that the front of the anchor block is further provided with a guide rod protruding to facilitate the underground indentation of the anchor block.

According to another preferred embodiment of the present invention, the guide rod provides a perforated impact anchor, characterized in that the end is pointed.

In addition, according to a preferred embodiment of the present invention, in the nail nailing method of hitting and pressing the ground to fix the non-perforated hitting anchor, (a) inserting the hitting rod into the anchor block and tensioning the tension block Connecting the rod for positioning the striking rod and the tension rod in parallel; (b) hitting the rear end of the hitting rod to insert a non-perforated hitting anchor to a predetermined position on the ground; (c) removing the striking rod from the anchor block; And (d) drawing the tension rod to rotate the anchor block hinged to the tension rod by a fixture to fix the perforated impact anchor on the ground; It provides a nail nailing method using a non-perforated hitting anchor, characterized in that configured to include.

The present invention according to another preferred embodiment the hitting rod is a front end portion that is inserted into the insertion hole of the anchor block; And a body part which is integrally coupled to the tip end portion and larger in diameter than the tip end so as to be locked to the rear end side of the anchor block. Provides a nail nailing method using a non-perforated hitting anchor, characterized in that consisting of.

According to the present invention as described above, the following effects can be obtained.

First, by inserting the reinforcement into the blow-type device when the reinforcement of the ground, such as slope slope reinforcement work or construction of the temporary cladding structure, it is possible to omit the ground drilling process and grouting process can reduce the air and construction costs required.

Second, by separating the impact rod for the anchor insertion and the tension rod for drawing the anchor, it is possible to prevent the damage due to the impact of the impact rod hitting the anchor body when the anchor is inserted.

Third, the anchoring rod is located in the center of the anchor so that the anchor is well inserted in the ground, the tension rod is arranged to form a predetermined eccentricity with the center of the anchor can form a fixing end firmly in the ground when drawing the tension rod .

Fourth, when the tension rod is drawn after the anchor is inserted, the acupressure plate is formed at the distal end, so that the fixing operation is simple.

Fifth, when the insertion of the anchor is completed by removing the hitting rod from the anchor block it is possible to recycle when inserting another anchor.

Sixth, it is possible to reduce the length of the anchorage for fixing compared to the conventional anchor method and only to be installed beyond the expected fracture surface, it can secure an advantage in economics.

Seventh, the effect of the pressure plate of the acupressure plate is added as compared to the conventional saw nail method is possible to reinforce in the soft layer, and the reinforcement effect by the tip acupressure rather than the reinforcement only simple reinforcement is increased.

1 is an exploded perspective view showing an embodiment of the present invention, a perforated hitting anchor.
Figure 2 is a perspective view showing a coupling relationship of the present invention punched anchor anchor and tension rod and the impact rod.
Figure 3 is an exploded perspective view showing another embodiment of the present invention punching impact anchor.
Figure 4 is a cross-sectional view showing an operation relationship according to another embodiment of the present invention punched anchor anchor.
Figure 5 is a cross-sectional view showing a step-by-step process of the saw nailing method using the present invention punched anchor anchor.
Figure 6 is a perspective view showing another embodiment of the present invention, a perforated hitting anchor.

Hereinafter, the present invention will be described in detail with reference to the accompanying drawings and preferred embodiments.

Figure 1 is an exploded perspective view showing an embodiment of the present invention punching impact anchor 10, Figure 2 is a drill rod anchoring 10 and the tension rod 15 and the impact rod 16 of the present invention It is a perspective view which shows the coupling relationship of.

The present invention relates to a non-perforated hitting anchor 10 inserted and mounted in the ground by hitting, reinforcing the ground by inserting the anchor 10 into the ground using the hitting equipment, etc. without ground drilling work. .

As can be seen in Figures 1 to 2, the non-perforated hitting anchor 10 is an anchor block 11 is formed with an insertion hole 111 is inserted into the hitting rod 16 in the rear; Acupressure plate 12 coupled to both sides of the anchor block 11; Fixture 13 is coupled to the anchor block (11) above; And a tension block 14 having a coupling hole 141 to which the front rod is hinged to the fixture 13 so that the tension rod 15 is inserted into the rear and coupled thereto. .

The anchor block 11 is a portion that is inserted into the ground by hitting the striking rod 16 coupled to the rear with a hitting equipment, etc., easy to press the ground of the anchor block 11 in front of the anchor block 11 The guide rod 113 protruding may be further provided to make it.

The guide rod 113 is to assist the insertion of the anchor 10, the end portion can be configured to be pointed to facilitate the insertion of the anchor (10).

In the embodiment of FIGS. 1 and 2, the guide rod 113 has a tip end configured in the form of a square pyramid, but is not limited thereto.

In addition, the rear end portion of the anchor block 11 is characterized in that the lower portion is inclined to pointed.

Thus, when drawing the tension rod 15 from the anchor 10 inserted in the ground, the rear end of the sharply inclined anchor block 11 is caught in the soil ground or rock layer, anchor block 11 in the ground ) Is easy to fix.

Next, the acupressure plate 12 is coupled to both sides of the anchor block 11, a portion to form a fixing end in the ground with the anchor block (11). In order to maximize the magnitude of the tensile force supported by the tension rod 15 when the tension rod 15 is drawn out, the acupressure plate 12 is rotated based on the fixture 13 so that the tension rod 15 and It is desirable to form an angle of about 90 degrees.

The fixture 13 is coupled to the anchor block 11, the front of the tension block 14 is hinged.

To this end, a hinge hole 131 is formed in the fixture 13 and a hinge plate 142 having a hinge hole 144 formed in the center of the tension block 14 is provided, and a hinge hole 131 of the fixture 13 is provided. ) And the fixture 13 and the tension block 14 may be hinged by the hinge pin 17 penetrating through the hinge hole 144 of the tension block 14.

Accordingly, when the tension rod 15 coupled to the tension block 14 is drawn, the anchor block 11 is rotated based on the fixture 13 so that the anchor block 11 and the acupressure plate 12 are fixed in the ground. It can form a stage.

The tension block 14 is to be coupled to the tension rod 15 is inserted into the rear, the coupling hole 141 for insertion of the tension rod 15 is formed in the rear.

In order to couple the tension block 14 and the tension rod 15, a thread is formed on an outer circumferential surface of the tension rod 15 to be screwed to a thread formed on an inner circumferential surface of the coupling hole 141 of the tension block 14. Can be.

In general, since the depth in which the anchor 10 is inserted may vary depending on the ground required for reinforcement, in the present invention, an appropriate length of the tension rod 15 may be selected and screwed to the tension block 14.

FIG. 3 is an exploded perspective view showing another embodiment of the present invention, no punching impact anchor 10, Figure 4 is a cross-sectional view showing the operation relationship according to another embodiment of the present invention, no punching impact anchor 10.

As can be seen in Figure 3, the tension block 14 is provided with a hinge plate 142 hinged by the fixture 13 and the hinge pin 17 at the front end, the hinge pin 17 It is provided with a torsion spring (18) to force the tension block 14 to move upwardly, the upper surface of the anchor block 11 is formed with a guide groove 112 in the longitudinal direction, the hinge plate 142 In front of the) is inserted into the guide groove 112, the lower end protrudes into the insertion hole 111 of the anchor block 11 to rotate the tension block 14 by the insertion of the striking rod 16, the tension block 14 and the locking block 143 for holding the parallel to the anchor block 11 is characterized in that the protruding downwardly inclined.

The torsion spring 18 is provided on the hinge pin 17, and can be applied to the tension block 14 to rotate upward.

Therefore, when the striking rod 16 is inserted into the insertion hole 111 of the anchor block 11, it is coupled to the hinge plate 142 front and penetrates the guide groove 112 formed on the upper surface of the anchor block 11 to anchor the anchor. A tip of the striking rod 16 exerts a force on the locking hole 143 protruding into the block 11. As a result, the torsion spring 18 rotates to automatically make the tension block 14 and the anchor block 11 parallel as shown in FIGS. 4 (b) to 4 (c), and the torsion spring 18 is locked in driving. State is maintained.

Through the above process, when the anchor 10 is hit by the hitting rod 16, the tension rod 15 may be brought into close contact with the hitting rod 16 to reduce the resistance of the anchor 10.

On the contrary, if the anchor 10 is inserted to a predetermined depth in the ground and then the rod 16 for the blow is removed from the insertion hole 111 of the anchor block 11, the torsion spring 18 as shown in (d) of FIG. The anchor block 11 is rotated by the rotational force of the tension block 14 and the anchor block 11 mutually It will happen.

That is, the torsion spring 18 rotates the anchor block 11 to form a fixing end in the ground, thereby preventing the anchor 10 from slipping back out of the driveway part, which is a passage inserted into the ground.

Meanwhile, in FIG. 3, an embodiment in which one hinge plate 142 is inserted between a fixture 13 composed of a pair of parallel plates for hinge coupling of the fixture 13 and the tension block 14 is illustrated. On the contrary, a fastener 13 composed of one plate may be inserted between the pair of hinge plates 142.

Next, the operational relationship of the present invention punched anchor 10 through the Figure 4 will be described .

4 (a) is a state in which the tension block 14 is rotated upward by the torsion spring 18 before inserting the striking rod 16 into the insertion hole 111 of the anchor block (11). Keeping up.

At this time, as shown in (b) of FIG. 4, when the rod 16 is inserted into the insertion hole 111 of the anchor block 11, the tip of the rod 16 for hitting the anchor block 11 on the upper surface The locking holes 143 protruding into the anchor block 11 through the guide grooves 112 formed therein are biased. As a result, the anchor block 11 and the tension block 14 are parallel to the rotation of the tension block 14 is locked.

And as shown in (c) of Figure 4, screwing the tension rod 15 to the coupling hole 141 of the tension block 14, inserting the anchor 10 in the ground, then (d) Remove the striking rod 16 from the insertion hole 111 of the anchor block (11).

When the striking rod 16 is removed, the locking state of the locking hole 143 is released, and the tension block 14 is fixed to the tension rod 15, and this time, the anchor block 11 by the torsion spring 18. ) Rotates the tension block 14 and the anchor block 11 It happens

Figure 5 is a cross-sectional view showing a step-by-step process of the saw nailing method using the present invention punched anchor 10.

Soil nailing method using the non-perforated hitting anchor 10 of the present invention in the sawing nailing method for hitting and press-fitting the ground (1) to be fixed to the perforated hitting anchor 10, (a) While inserting the striking rod 16 into the anchor block 11, while connecting the tension rod 15 to the tension block 14 to position the striking rod 16 and the tension rod 15 in parallel step; (b) hitting the rear end of the striking rod (16) to insert a non-perforated striking anchor (10) to the ground (1) to a predetermined position; (c) removing the striking rod (16) from the anchor block (11); And (d) drawing the tension rod 15 to rotate the anchor block 11 hinged to the tension rod 15 by the fixture 13 to support the impermeable impact anchor 10 on the ground (1). Settling at); And a control unit.

In the saw nailing method using the non-perforated hitting anchor 10 of the present invention, first, (a) inserting the hitting rod 16 into the anchor block 11, while the tension rod 15 to the tension block 14 ) To place the striking rod 16 and the tension rod 15 in parallel (Fig. 5 (a), (b)).

And according to the insertion position and the insertion angle of the anchor 10 (b) by hitting the rear end of the rod 16 for the perforations to insert a non-perforated hitting anchor 10 to the ground (1) to a predetermined position (Fig. 5) (c), (d)).

Thereafter, (c) the striking rod 16 is removed from the anchor block 11 ((e) of FIG. 5). When the striking rod 16 is removed from the anchor block 11, as described above, the anchor block 11 is rotated about the hinge hole 131 of the fixture 13 to the tension block 14 and predetermined Since the angle is widened to the ground, it is possible to prevent the initial slip of the perforated hitting anchor 10.

Finally, (d) drawing the tension rod (15) to rotate the anchor block 11 hinged to the tension rod (15) by a fixture (13) to ground the perforated impact anchor (10) It is fixed in (1) (FIG. 5 (f)).

As shown in FIG. 5 (f), when the tension rod 15 is pulled, the anchor block 11 rotates to be stretched to form an angle of about 90 ° with the tension rod 15, and then the rear end of the anchor block 11 is extended. A tensile force is exerted by anchoring the anchor block 11 as the anchoring end is caught in the disturbed ground (1). And the acupressure plate 12 is fixed by the acupressure of the ground 1 in the ground 1.

After the step (d) to fix the end of the tension rod 15 by installing a fixing cap or acupressure plate on the ground surface.

When the anchor 10 enters, the access road and ground 1 around the acupressure plate 12 by the anchor 10 may be filled by natural depression. However, if these spaces are not filled, the ends of the tension rods 15 are fixed on the ground surface, and then the grouting holes around the tension rods 15 are grouted.

Figure 6 is a perspective view showing another embodiment of the present invention punching impact anchor 10.

As can be seen in Figure 6, the striking rod 16 in the present invention is a front end portion 161 is inserted into the insertion hole 111 of the anchor block (11); And a body portion 162 which is integrally coupled to an end portion of the tip portion 161 and larger in diameter than the tip portion 161 so as to be engaged at the rear end side of the anchor block 11. . ≪ / RTI >

In the present invention, the striking force is transmitted to the anchor block 11 through the end of the striking rod 16.

However, if the insertion depth is deep or the ground (1) is hard and the impact force should be strong, since the insertion hole 111 of the anchor block 11 has a constant diameter, the diameter of the rod 16 for the impact rod 16 should be increased. There is a need.

Therefore, only the front end portion 161 of the rod 16 for the impact is manufactured to a size that can be inserted into the insertion hole 111, the body portion 162 of the rear constitutes a large diameter.

As a result, the tip end portion 161 of the striking rod 16 not only presses the anchor block 11 into the insertion hole 111, but also the end portion of the body portion 162 at the inlet of the insertion hole 111. By press-fitting (11) it can be transmitted to the anchor 10 effectively the impact force.

At this time, when the rear end portion of the anchor block 11 is configured to be inclined sharply, the front end portion 161 side end portion of the body portion 162 is also inclined to correspond thereto.

The perforated impact anchor 10 of the present invention may be used independently, but may be used in parallel with a gabion retaining wall, a slope front face frame, a concrete retaining wall, and a temporary fixture.

1: Soil 10: Non-perforated hitting anchor
11: anchor block 111: insertion hole
112: guide groove 113: guide rod
12: Acupressure Plate 13: Fixture
131: hinge hole 14: tension block
141: coupling hole 142: hinge plate
143: latch 144: hinge hole
15: tension rod 16: impact rod
161: tip portion 162: body portion
17: hinge pin 18: torsion spring

Claims (8)

Regarding the non-perforated hitting anchor 10 inserted and mounted in the ground by hitting,
The perforated hitting anchor 10 is
An anchor block 11 formed with an insertion hole 111 into which a hitting rod 16 is inserted at a rear side thereof;
Acupressure plate 12 coupled to both sides of the anchor block 11;
Fixture 13 is coupled to the anchor block (11) above; And
A tension block 14 having a coupling hole 141 to which the front rod is hinged to the fixture 13 so that a tension rod 15 is inserted into the rear and coupled thereto; Respectively,
The tension block 14 is provided with a hinge plate 142 which is hinged by the fixture 13 and the hinge pin 17 at the front end, the hinge pin 17 is provided with a tension block 14 upwards It is provided with a torsion spring (18), which is capable of rotating movement.
The upper surface of the anchor block 11 is formed with a guide groove 112 penetrating in the longitudinal direction, the front of the hinge plate 142 is inserted into the guide groove 112, the lower end of the insertion hole of the anchor block 11 Protruding into the (111) to rotate the tension block 14 by the insertion of the rod 16 for the impact projection 14 to maintain the tension block 14 and the anchor block 11 in parallel protruding downward. A perforated blow anchor, characterized in that formed.
delete The method of claim 1,
A thread is formed on the outer circumferential surface of the tension rod (15) end portion, characterized in that it is screwed to the thread formed on the inner circumferential surface of the coupling hole (141) of the tension block (14).
The method of claim 1,
The rear end portion of the anchor block 11 is a perforated hitting anchor, characterized in that the bottom is inclined to pointed.
The method of claim 1,
Anchor-type hitting anchor, characterized in that the front of the anchor block 11 is further provided with a guide rod 113 protruding to facilitate the underground indentation of the anchor block (11).
The method of claim 5,
The guide rod 113 is a perforated hitting anchor, characterized in that the pointed end.
In the saw nail nailing method of hitting and press-fitting the ground (1) to be fixed to the non-perforated hitting anchor 10 according to any one of claims 1 or 3 to 5,
(a) inserting the striking rod 16 into the anchor block 11, while connecting the striking rod 15 to the tension block 14 to parallel the striking rod 16 and the tension rod 15; Positioning it;
(b) hitting the rear end of the striking rod (16) to insert a non-perforated striking anchor (10) to the ground (1) to a predetermined position;
(c) removing the striking rod (16) from the anchor block (11); And
(d) drawing the tension rod 15 and rotating the anchor block 11 hinged to the tension rod 15 by the fixture 13 to support the impingement strike anchor 10 on the ground (1). Fixing to; Soil nailing method using a non-perforated hitting anchor (10), characterized in that comprising a.
The method of claim 7, wherein
The striking rod 16, the front end portion 161 is inserted into the insertion hole 111 of the anchor block (11); And a body portion 162 which is integrally coupled to an end portion of the tip portion 161 and larger in diameter than the tip portion 161 so as to be engaged at the rear end side of the anchor block 11. Soil nailing method using a non-perforated hitting anchor (10), characterized in that consisting of.

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