KR102524630B1 - Directional press-in method based on high-pressure injection using water hammer - Google Patents

Abstract

The present invention relates to a directional press-in method based on high-pressure injection using a water hammer. The directional press-in method based on high-pressure injection using the water hammer includes: a first step of forming an access hole by excavating a predetermined part of ground surface and installing an excavation device on the access hole, wherein the excavation device includes the water hammer unit injecting an excavation component including water at a front end; a second step of forming an excavation hole in the ground by using the excavation device; a third step of expanding the excavation hole by combining a reamer after separating the water hammer unit from a front end of the excavation device; and a fourth step of discharging sludge generated in the expanded excavation hole to the outside by spraying a collection agent including a mixed control agent including glycolipid into the expanded excavation hole through a spray unit mounted on the excavation device. The directional press-in method based on high-pressure injection using the water hammer can indicate an excavation force of a high level by performing high-pressure injection by using the water hammer and control the diameter of the cohered sludge at the same time when cohering and collecting a by-product generated in an excavation process at the same time. Accordingly, the directional press-in method based on high-pressure injection using the water hammer improves the ease of collection, thereby reinforcing a collection function about a perforation by-product remaining in the excavation hole.

Description

Directional press-in method based on high-pressure injection using water hammer}

The present invention relates to a high-pressure injection-based directional injection method using a water hammer, and more specifically, by spraying a drilling composition containing water at high pressure using a water hammer to increase drilling efficiency and recover the drilling composition at the same time. It relates to a directional press-in method with increased convenience.

In general, the non-cutting method is a construction method of making a tunnel underground without excavating a road directly, unlike the cutting method, which is performed through a road surface excavation when underground pipes such as water and sewage pipes, power pipes, communication pipes, and gas pipes are buried.

Such a non-breakthrough drilling method is commonly known as the Horizontal Directional Drilling method (HDD method), and this method is recognized as superior to other methods in terms of reducing social costs and securing safety.

Such a directional press-in method consists of an excavation step - a hole expansion step - a pulling step. In the excavation step, the hollow rod is pressed into the underground while continuously connecting the hollow rod using a press-in equipment, but the front end of the rod has a small diameter It connects and propels the drill head, and at the same time supplies and sprays a mixture of water and bentonite at high pressure through the hollow in the rod to form a pilot borehole that penetrates from the start to the end of the working section.

In the hole expansion step, after forming the tip drill hole, the drill head connected to the tip rod is replaced with a reamer whose diameter gradually increases to form a drill hole of a desired diameter.

In the step of pulling the buried objective pipe, when the inside of the crypt reaches the desired pipe diameter by repeated hole expansion work, a plurality of buried objective pipes are connected to each other behind the final reamer from the reaching hole side and pulled toward the start hole. to be brought into the interior of

There are also a number of domestic prior arts for improving such an underground horizontal excavation process. As an example, such as Korean Patent Nos. 1249257 and 1186840, the technology for the structure of a hole expander used in the HDD method is posted. .

On the other hand, when the reamer expands the drilling hole until the drilling hole reaches the desired diameter in the hole expansion step, various excavated objects are generated and piled up inside the drilled hole, and the excavated objects inside the drilling hole are a plurality of It acts as an obstacle hindering the traction of purpose-buried pipes.

In other words, in the process of towing the buried pipes, the buried pipes get caught in the excavation inside the excavation hole, so that the towing of the buried pipes is not carried out smoothly, and the buried pipes (electric wires) are damaged and damaged. There was a problem that caused inefficiency and inconvenience of my cable laying work as well as a decrease in reliability.

Therefore, in order to solve the above-described problems, high-pressure injection is performed to increase drilling efficiency and at the same time to more easily recover drilling by-products including sediment or suspended matter generated in the drilled excavator of drilling by-products. There is a need to develop a directional press-in method.

Domestic Patent No. 1249257 Domestic Patent No. 1186840

The main object of the present invention is to easily discharge sludge generated in an enlarged drilling hole to the outside while increasing drilling efficiency by performing high-pressure injection using a water hammer.

Another object of the present invention is to increase the recovery efficiency of the sludge by adjusting the injection pressure of the water hammer according to the diameter of the sludge.

Another object of the present invention is to control the diameter of the sludge, increase the mixability, and at the same time increase the adsorption function for by-products.

In order to achieve the above object, the high-pressure injection-based directional indentation method using a water hammer according to the present invention excavates a predetermined portion of the ground surface to a certain depth to form an entry hole, and the excavation composition containing water at the tip A first step of installing an excavation rig including a spraying water hammer unit on the side of the entry hole; A second step of forming an excavation hole into the ground through the excavation device; a third step of separating the water hammer unit from the front end of the drilling device and then combining the reamer to expand the drilling hole; 4th for discharging the sludge generated in the enlarged drilling hole to the outside by injecting a recovery agent containing a mixability regulator containing glycolipid into the enlarged drilling hole through a spraying unit mounted on the drilling device It is characterized in that it comprises a; step.

Furthermore, the drilling composition is characterized in that it further comprises at least one of sodium bicarbonate, corn cob and quartz sand.

In addition, the mixability regulator is characterized in that it includes the glycolipid and decyl glucoside.

According to the high-pressure injection-based directional press-in method using the water hammer of the present invention,

1) By performing high-pressure injection through a water hammer, a high level of excavation force can be exhibited, and at the same time, in coagulating and recovering by-products generated in the excavation process, the diameter of the coagulated sludge can be adjusted to increase the ease of recovery and excavation It is possible to enhance the recovery function for the puncture by-products remaining inside the ball,

2) Diversify the composition of the excavation composition to increase excavation efficiency,

3) By increasing the mixing of sludge by increasing the surface activity, the discharge efficiency is increased, and at the same time, unnecessary foam generation is suppressed to prevent the increase in the diameter of the sludge due to foam generation, thereby improving the sludge discharge efficiency. has a maximizing effect.

1 is a conceptual diagram showing a schematic process of the directional press-in method of the present invention.
Figure 2 is a flow chart of the directional press-in method of the present invention.
Figure 3 is a flow chart showing the detailed configuration of the fourth step of the present invention.
Figure 4 is a flow chart showing the steps for preparing the miscibility modifier of the present invention.
Figure 5 is a flow chart showing the steps for preparing the adsorption enhancer of the present invention.

Hereinafter, preferred embodiments of the present invention will be described in detail with reference to the accompanying drawings. The accompanying drawings are not drawn to scale, and like reference numbers in each drawing indicate like elements.

1 is a conceptual diagram showing a schematic process of the directional press-in method of the present invention, and FIG. 2 is a flow chart of the directional press-in method of the present invention.

Referring to FIGS. 1 and 2, the directional press-in method based on high-pressure spraying using a water hammer of the present invention basically includes a first step, a second step, and a third step. Including the 4th step.

The directional press-in method of the present invention can be applied to form drilling holes of various diameters with a certain length in general terrain.

Furthermore, the directional press-in method may include a one-way horizontal excavation process as shown in FIG. 1 and a bi-directional excavation process, although not shown in the drawings.

Hereinafter, each step included in the directional press-in method of the present invention will be described in detail according to the flow chart of FIG. 2 as follows.

(S1) 1st step

First of all, the directional press-in method of the present invention investigates and plans the area where the drilling hole 30 is to be formed, that is, the obstruction, goes through preliminary preparation steps such as surveying and linear determination, and then embeds pipes or other structures. The entry hole 10 is formed by excavating the ground surface (or sea floor) to be desired (hereinafter, such excavation is also referred to as 'press-in' in the present invention).

At this time, when the obstruction is on the ground, it is possible to form not only the entry hole 10 but also the arrival hole 20. When the press-in method is completed later, a severe error occurs in the position of the target arrival hole 20 To prevent this, the arrival hole 20 is formed spaced apart from the entrance hole 10 at an interval corresponding to the total length of the above-described pipe or other structure.

When the entry hole 10 is formed, an operation of installing the drilling device 100 at the front end near the entry hole 10 is performed. Then, the drilling device 100 is driven to form the drilling hole 30 in the direction from the entry hole 10 to the arrival hole 20.

The drilling rig 100 of the present invention may be a conventional device capable of performing a basic drilling process, and most preferably, a water hammer unit in which the drilling rig 100 of the present invention sprays an drilling composition containing water ( 40) may be included. A more detailed description of the water hammer unit 40 will be described later. Here, the water hammer unit 40 will be collectively referred to as an injection means.

In addition, based on the state in which the excavator (water hammer unit 40) can be detachably coupled to the excavator 100, it is also possible that the reamer 50 is coupled to the tip of the excavator 100 in addition to the excavator. In addition to the front end, it is also possible to install a spray module or an inhaler capable of spraying a specific composition or inhaling soil or the like at the side end around the front end. A detailed device for this will be described again in a later step.

In summary, the first step of the present invention consists of a known entry hole 10 / arrival hole 20 forming process and a step of installing an excavation device 100 having a known excavation function, which is well known. The process of forming the entry hole 10 and the like and the installation process of the excavator 100 may be the same.

(S2) 2nd step

The second step performed subsequently is a process of forming the excavation hole 30 into the ground through the excavator. As briefly mentioned above, the drilling apparatus of the present invention may form the drilling hole 30 while spraying water by including a spraying means including the water hammer unit 40. At this time, the water hammer unit 40 will be described in more detail as follows.

In general, hammer devices include an air hammer using pneumatic pressure and a water hammer using water pressure. The air hammer has a problem in that it is difficult to drill a relatively deep excavation hole 30, but the water hammer provides high impact force using water. In addition, it has the advantage of being able to discharge rock fragments at the same time when discharging sludge mixed with water together with soil generated in the excavation process later.

The water hammer unit 40 means a water hammer using water pressure, and although not shown in the drawing, a pipe-shaped body in which a plurality of bits providing a striking force during excavation are rotatably installed via a rotating shaft, and the body It may include a tank for storing water in the inside, a pump for pumping the water stored in the tank, and a nozzle for spraying the water pumped by the pump to the front end of the main body. In this way, the configuration of the spraying means capable of spraying water is collectively referred to as a spraying unit.

The above-described water hammer unit 40 describes a known basic structure, and the water hammer unit 40 of the present invention, based on this structure, is a digging angle adjusting unit, a water pressure / water amount adjusting unit, and an injection timing control An additional structure such as a means may be additionally included, and it is possible to be coupled to the front end of the excavator 100 via a rod capable of moving forward via a motor.

The water hammer unit 40 advances from the entry hole 10 by the advancement of the rod and the rotation of the rotating shaft, while the bit strikes the underground bedrock to form a drilling hole 30 into the ground, and at the same time, the drilling hole 30 ), it is possible to pursue the ease of discharging sludge, including soil and rock fragments, as well as providing excellent digging power with the water pressure sprayed toward.

Preferably, in forming the drilling hole 30 by spraying water to the drilling hole 30 through the water hammer unit 40, more preferably, the drilling composition that may further contain not only water but also other materials is used as water. It is possible to form the drilling hole 30 by spraying through the hammer unit 40 .

Here, the excavation composition includes water, and the water may be the excavation composition, but preferably, by using an abrasive mixed with water, the excavation target (rock or soil, etc.) is more efficiently polished in the excavation process of the excavator, resulting in Provides a function to increase the digging force.

Since this excavation composition preferably includes water and an abrasive, the main feature is that the water of the excavation composition provides the water pressure required for basic excavation while providing a better excavation force by abrasive function of rock mass or soil by the abrasive.

The water hammer unit 40 is detachable from the front end of the drilling rig 100, so that the reamer 50 can be coupled to the front end of the separated drilling rig 100. The detachable structure of the water hammer unit 40 may refer to a known structure designed to detach the coupling structure with the rod described above.

The abrasive of the present invention may be included together with water in the tank of the water hammer unit 40 described above, or may be configured so that the abrasive is sprayed together when water is sprayed from the excavator through a separate supply pipe connected to the excavator.

In this case, the abrasive may be made of a material including at least one of sodium bicarbonate, corn cob, and quartz sand.

Sodium bicarbonate is water soluble, so it is mainly used for wet polishing, and has the advantage of being environmentally friendly. In addition, it has excellent performance as an abrasive and exhibits a fast work speed, which has the effect of increasing the excavation speed.

Corn cob is an eco-friendly material with a moderate hardness and a Mohs hardness of about 4.5 as dried, compressed and pulverized after harvesting corn kernels. It has the advantage of being eco-friendly and inexpensive.

Quartz sand is a material of high hardness having a Mohs hardness of about 7.5, and has excellent performance as an abrasive and is very inexpensive. Therefore, it has the advantage of excellent economical efficiency and excellent polishing performance.

At this time, this abrasive is mixed with the water of the above-described water hammer unit 40 to form an excavation composition, which may be mixed with 80 to 95 parts by weight of water and 1 to 20 parts by weight of an abrasive, based on water. The weight of can be varied according to the situation according to the density of rocks in the ground and the distribution of rocks and soil.

In summary, the abrasive of the present invention is mixed with water to form an excavation composition while more efficiently polishing an excavation target (rock, soil, etc.) in an excavation process of an excavator, thereby providing a function of increasing excavation force.

(S3) The third step

As described above, when the continuous excavation process is performed through the water hammer unit 40 on the entry hole 10 side to form the drilling hole 30 in the direction from the entry hole 10 to the arrival hole 20, After separating the water hammer unit 40 coupled to the front end of the excavation rig 100, the reamer 50 is coupled.

Here, since the reamer 50 has the same structure as the known reamer 50, a detailed description of the structure will be omitted.

When the reamer 50 forms an excavation hole 30 having an enlarged size having a diameter sufficient for the pipe 60 or other structure to be inserted through the reamer 50, the rear reamer 50 The pipe 60 is connected to the side end, and the excavator 100 is used to pull the reamer 50 from the arrival hole 20 to the entry hole 10 to remove the pipe 60 or other structure. It is possible to embed the pipe 60 in the drilling hole 30 between the reaching hole 20 and the entry hole 10 by entering the expanded drilling hole 30 .

Finally, when the arrival hole 20 and the entrance hole 10 are filled with a landfill material such as sand, the pipe 60 (or other structures) burial work is completed.

(S4) 4th step

Next, a recovery agent containing a miscibility control agent containing decyl glucoside is injected into the enlarged drill hole 30 through a spraying unit mounted on the drilling device 100 to ) is discharged to the outside of the sludge generated.

Here, the injection unit may be mounted on the drilling rig 100 itself or the reamer 50 separately from the water hammer unit 40, and may include a tank storing the sludge recovery agent, a pump, and a nozzle, which It has the same or similar structure to the above-described jetting means including a water jet.

The recovery agent sprayed through the spraying part includes a mixability regulator, which mixes the excavation composition composed of the above-described water and abrasive, as well as sludge composed of excavation residues such as soil and rock fragments, so that it can be easily discharged. to be characterized

Preferably, the recovery agent may be composed of a mixture containing 1 to 15 parts by weight of a miscibility adjusting agent and 80 to 99 parts by weight of water.

Water is added to spray the recovery agent through the spraying unit, and a mixability regulator including glycolipid is added together to control the diameter of sludge formed by agglomeration of the drilling composition and the drilling residue.

Glycolipids are lipids containing one or more carbohydrate groups covalently bound to acylglycerols, sphingolipids, or ceramides, and are surfactant substitutes derived from sugar cane. Not only does it not have harmful effects on the human body and the environment, but it is easily decomposed in nature, and the diameter can be adjusted by increasing the mixability of the aggregated particles by increasing the surface activity. By preventing an increase in the diameter of the sludge due to the

Therefore, by spraying such a recovery agent through the spraying part in a water jet method, etc., the diameter of the sludge mixed with the excavation residue generated during the excavation process and the previously sprayed abrasive is adjusted to form the entry hole 10 or the arrival hole 20 Through this, sludge can be easily discharged.

In this directional press-fitting method, high-pressure injection is performed through the water hammer unit 40 to increase drilling efficiency, and a recovery agent containing water and a miscibility regulator is sprayed through the injection unit to remove the drilling composition and drilling residue. Of course, it is possible to easily discharge the sludge to the outside by reducing the diameter of the aggregated sludge.

Furthermore, when the discharge of the sludge is completed through the fourth step in this way, a step of injecting a filler into the inner wall of the enlarged excavation hole 30 may be further included and performed as a process of the fifth step.

That is, it means that a well-known grouting process (filler injection) may be included in the expanded drilled hole 30 in order to prevent the collapse of the drilled hole 30 or a phenomenon such as drifting of soil from occurring. .

At this time, in the filler injection (grouting treatment) process, a known injection pipe composed of a single pipe such as a single packer, rod, or strainer or a multi-pipe such as a double packer is introduced into the drilling hole 30, and then the end of the injection pipe is inserted into the drilling hole ( 30) and then operate the injector connected to the injection pipe to inject the filler into the inner wall of the excavation hole 30 through the injection pipe. Since this is the same as the known grouting process, a separate specific omit explanation.

Here, the injection tube may be formed of a manjet tube, which is a composite tube capable of injecting while mixing various materials as the filler to be described later is a composite composition.

Here, the filler of the present invention may be made of a mixture of a base including at least one of known mortar or concrete and a crack reducing agent.

As is well known, mortar is a mixture of cement and sand, which can be mixed with sand in various weight ratios on a cement basis. In addition, concrete is a mixture of cement, sand and gravel, which can also be mixed with sand and gravel in various weight ratios based on cement, and since such mortar and cement are materials widely used as basic base materials for filling materials, known technology , so an additional detailed description is omitted.

The crack reducing agent serves to reduce the occurrence of surface cracks in the process of curing the above-described base. Specifically, the crack reducing agent can reduce the occurrence of cracks on the surface of the filler as well as the base by minimizing the induced volume difference while the temperature of the surface rapidly decreases and the temperature of the core is maintained during the curing of the base.

Such crack reducing agents include urea and polydimethylsiloxane.

Urea (CH4N2O) is an organic compound, often referred to as urea, which decomposes through an endothermic reaction with water, and through this, it can reduce the temperature in the core of the filler (or base) where heat is difficult to dissipate.

Polydimethylsiloxane is a material that can cause a hydrogen silylation reaction in which a material having a hydrogen-silicon (Si-H) group is added to a carbon-carbon (C-C) bond. Such polydimethylsiloxane can add self-healing property, which is a property that the material can self-repair cracks, by causing a hydrogen silylation reaction in microcracks generated during curing or curing of the base.

For the composition ratio of the filler including the crack reducing agent, for example, the filler may be formed by mixing 80 to 95 parts by weight of the base and 5 to 20 parts by weight of the crack reducing agent.

Therefore, by injecting such a filler into the inner wall, it is possible to prevent soil drift or collapse, and furthermore, this function can be further strengthened by including a crack reducing agent in the filler.

In addition, a step of curing when the filler is injected into the injection tube may be further included. Curing means that after the filler is injected into the injection tube, it is protected so that it is sufficiently cured without being subjected to harmful effects such as temperature change, impact, and load.

Usually, the curing stage means up to 28 days after casting (of course, it can be shorter). Since it is difficult to visually determine the degree of hardening of the filler, it is desirable to set a sufficient curing period in consideration of the amount of filler injected. .

Of course, the end point of the curing step may be specified by determining the degree of hardening of the filler through known non-destructive inspection methods such as radiographic inspection, ultrasonic inspection, and acoustic emission inspection.

Therefore, by injecting the filler into the inner wall of the excavation hole 30 expanded through the fifth step, it is possible to prevent the excavation hole 30 from collapsing and to prevent a phenomenon such as soil drifting.

In addition, in the description of the above-mentioned fourth step, it was said that the injection pressure can be adjusted based on the height of the amount of sludge in the fourth step. It is possible to increase the removal efficiency of the sludge generated in the enlarged excavation hole 30 by photographing the sludge remaining inside and spraying the recovery agent while adjusting the spray pressure according to the amount of the remaining sludge. do.

In more detail, the sludge remaining inside the excavation hole 30 is photographed through a photosensor that may be provided on one side of the injection unit, the photographed image is analyzed to determine the particle size (average diameter) of the sludge, and the particle size The injection pressure of the injection part can be adjusted according to the height of the injection part.

If the particle size of the sludge is too large, it may be difficult to discharge the sludge through the entry hole 10 or the arrival hole 20, so the spray pressure of the injection part is increased to reduce the size of the sludge and adjust it. Therefore, the discharge efficiency of the sludge can be further maximized by adjusting the injection pressure according to the particle size of the sludge.

3 is a flowchart showing the detailed sequence of the fourth step of the present invention.

Referring to FIG. 3, the above-described fourth step in more detail can be composed of a sludge photographing step, a particle size detection step, and a particle size control step.

The sludge photographing step is a step of photographing the sludge remaining inside the excavation hole 30 through a photosensor. This may be referred to as a basic process of photographing the sludge and generating a video or image based on the photosensor provided inside the excavation hole 30 as described above.

Next, the average particle size of the sludge is determined based on the video or image of the sludge captured through the sludge photographing step.

At this time, after specifying the color range of the sludge, the sludge can be detected in the frame of the image or video by detecting the pixels occupied by the color of the corresponding color range on the frame of the image or video taken. In this case, the area occupied by the sludge on the image In addition, when sludge is detected as an object having a closed curve, an average particle size including either the average width or length of the object can be calculated.

Therefore, in the sludge in which the excavation composition and excavation residues are agglomerated, that is, in the sludge that is agglomerated in a circular or elliptical shape, any one of the average width and length of the closed curve represented by the sludge is calculated as the average particle size, which can be performed through image analysis. can

The particle size control step performs a function of adjusting the particle size by adjusting the spray pressure of the spraying unit when the calculated average particle size exceeds a preset reference particle size. When the recovery agent is additionally injected at a high pressure in a state in which the amount of the flocculated sludge is determined, the flocculated sludge may be partially broken and mixed by the mixing agent included in the recovery agent, thereby providing a diameter reducing effect.

Therefore, when the average particle size exceeds the preset reference particle size, the sludge having a high particle size can be pulverized once more to control the particle size by additionally spraying the recovery agent at high pressure through the spraying unit. Here, the reference granularity is a value that can be set in advance, and the unit and value are not limited, and may be set by a device manager or the like.

In this way, according to the configuration in which the average particle size as well as the high and low of the sludge is measured through the photosensor, and the average particle size is compared with the reference particle size to adjust the spray pressure of the spraying unit, the sludge amount is high and low, and further the sludge particle size By adjusting the injection pressure of the injection unit according to the above, it is possible to more easily discharge the sludge whose particle size is adjusted through the recovery agent.

As another embodiment, the miscibility regulator included in the recovery agent of the present invention may further include other substances in addition to glycolipids. can include

Here, decyl glucoside is a naturally-derived surfactant, also called Conacopa (APG), and is a substance produced by a condensation reaction of glucose (glucose) obtained from corn starch and decyl alcohol obtained from vegetable oils such as coconut oil and palm oil. It does not have a harmful effect on the human body and the environment, and is easily decomposed in nature. It has excellent surface activity and provides the ability to adjust the diameter by increasing the mixing between particles included in the sludge.

As described above, glycolipid is a surfactant substitute component extracted from sugarcane, and is a substance that has the effect of controlling the diameter of the flocculated sludge because it has surfactant ability without generating foam.

Therefore, according to the miscibility control agent containing decyl glucoside and glycolipid, it is possible to control the diameter by increasing the miscibility of the components included in the sludge by increasing the surface activity, and at the same time suppressing unnecessary foam generation, It is possible to increase the sludge discharge efficiency by performing the function of preventing the diameter increase of the flocculated sludge once more.

Furthermore, in order to further enhance the function of such a miscibility regulator, the miscibility regulator may further include additional components in addition to decyl glucoside and glycolipid. Together with, it is explained as follows.

Figure 4 is a flow chart showing the steps of preparing the miscibility modifier of the present invention.

Referring to FIG. 4, the miscibility control agent of the present invention is prepared through the step of preparing a first solution (S21), preparing a second solution (S22), and completing the miscibility control agent (S23). can be manufactured.

(S21) preparing a primary solution

First, a first solution is prepared by mixing 15 to 40 parts by weight of decyl glucoside, 10 to 25 parts by weight of glycolipid, and 40 to 85 parts by weight of purified water.

Here, purified water provides the function of a solvent, decyl glucoside has excellent surfactant ability, and it is possible to adjust the diameter by increasing the mixability of the aggregated particles, and glycolipid increases the surfactant ability to improve mixing between particles included in the aggregated sludge. It is a material that can control the diameter by increasing the properties and at the same time suppresses the generation of unnecessary bubbles to prevent the increase in the diameter of the flocculated sludge due to the generation of bubbles.

(S22) preparing a secondary solution

Subsequently, a secondary solution is prepared by mixing 85 to 93 parts by weight of the primary solution, 3 to 10 parts by weight of quercetin, and 1 to 5 parts by weight of menthyl anthranilate.

Quercetin, also called quercetin, is a kind of glycoside belonging to the flavonoid family. It has an excellent antioxidant effect and has the effect of preventing oxidation of the miscibility regulator, and is added as an antioxidant for the miscibility regulator, especially lipids such as decyl glucoside and glycolipid.

Menthyl anthranilate is an ester of menthol and o-antranilic acid, and has a function of chemically blocking ultraviolet rays, which prevents discoloration and oxidation of miscibility regulators by ultraviolet rays in press injection methods generally performed outdoors. carry out

(S23) Completing the Mixability Controlling Agent

Finally, 90 to 97 parts by weight of the secondary solution, 1 to 5 parts by weight of methylglucamine, and 1 to 10 parts by weight of an adsorption enhancer including illite are mixed to complete the mixture control agent.

Methylglucamine is a type of pH adjuster, which is added to adjust the pH of the mixability adjuster to be similar to the pH of the soil in which the indentation method is performed. Therefore, the addition of the miscibility regulator prevents the change in pH of the soil or subterranean soil in which the indentation method is performed, and furthermore, performs a function of stabilizing the miscibility regulator.

The adsorption enhancer includes illite as its active ingredient. Illite is a mica group mineral belonging to the monoclinic system, and in addition to the name illite, hydrous mica, finegrained mica, and mica clay minerals There are various names such as mineral). It has an excellent adsorption capacity for moisture, so when added to the mixability regulator, it has a function to aggregate the sludge into an appropriate particle size for discharge, and furthermore, it has an effect of adsorbing heavy metals, so it has an effect of removing heavy metals from the soil or underground where the press-fitting method is performed. combine

According to this miscibility control agent, the diameter can be adjusted and at the same time, unnecessary foam generation can be suppressed to prevent the increase in the diameter of agglomerated particles due to foam generation once again, as well as to prevent discoloration or oxidation of the miscibility control agent. Stability is improved, and furthermore, the pH of the soil or ground is prevented from changing according to the input of the recovery agent containing the miscibility regulator, and at the same time, it promotes aggregation of the recovery agent and provides an effect of adsorbing and removing heavy metals from the soil or ground. can

In order to explain the function of the above-described miscibility regulator of the present invention, the evaluation results of Examples and Comparative Examples will be compared and described. Examples consist of Examples 1 to 3 of the miscibility modifier of the present invention, and comparative examples are conventional surfactants.

<Example 1>

As a miscibility control agent, 100 g of glycolipid was prepared.

40 g of the prepared mixability regulator and 60 g of purified water were mixed.

<Example 2>

As a miscibility control agent, 50 g of glycolipid and 50 g of decyl glucoside were mixed and prepared.

40 g of the prepared mixability regulator and 60 g of purified water were mixed.

<Example 3>

Decylglucoside 30g, Glycolipid 20g. 100 g of the primary solution was prepared by mixing 50 g of purified water.

90 g of the prepared primary solution. Quercetin 5g. 100 g of a secondary solution was prepared by mixing 5 g of menthyl anthranilate.

95 g of the prepared secondary solution. Methylglucamine 3g. 2 g of illite was mixed to complete 100 g of the miscibility control agent.

40 g of the prepared mixability regulator and 60 g of purified water were mixed.

<Comparative example>

As a water-soluble surfactant, 40 g of cocoglucoside and 60 g of purified water were mixed.

[Experimental Example 1] Water solubility test

The appearance of Examples 1 and 2 to Comparative Examples and the presence or absence of insoluble matter were confirmed.

○: The solution is transparent and no insoluble matter is observed

△: The solution is cloudy, but no insoluble matter is observed

×: Some insoluble matter was confirmed

[Experimental Example 2] Dynamic surface tension test

The dynamic surface tensions of the 1% aqueous solutions of each of the above-described Examples 1 and 2 to Comparative Examples were measured at 1 Hz and 10 Hz using a bubble pressure dynamic surface tensiometer Kruss BP-100 manufactured by Kruss.

[Experimental Example 3] Contact angle test

Contact angles 30 seconds after each of Examples 1 and 2 to Comparative Examples were dropped onto SUS-304 manufactured by Test Panel Co., Ltd. were measured using a contact angle meter CA-D type manufactured by Kyowa Gamemen Chemical Co., Ltd.

Table 1 is a table showing the experimental results. Example 1 Example 2 Example 3 comparative example water soluble ○ ○ ○ ○ dynamic surface tension
(mN/m) 1Hz 32 31 31 45 10Hz 40 39 38 62 Contact angle (°) 13 11 11 24

As shown in Table 1, it can be confirmed that Examples 1 to 3 show higher surface activity ability due to their excellent water solubility and low dynamic surface tension and contact angle compared to Comparative Examples.

Furthermore, when confirming the mutual comparison of Examples 1 to 3, it can be confirmed that the mixed use of decyl glucoside achieves improvement in dynamic surface tension and contact angle compared to the case of using glycolipid alone, and furthermore, examples including various compositions in the mixability regulator It can be confirmed that No. 3 shows the most outstanding results, with the surface active ability not being inhibited while forming a stabilized composition.
As described so far, the configuration and operation of the high-pressure injection-based directional press-fitting method using a water hammer according to the present invention have been expressed in the above description and drawings, but this is only an example, and the spirit of the present invention is not reflected in the above description and It is not limited to the drawings, and various changes and changes are possible without departing from the technical spirit of the present invention.

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10: entry hole 20: arrival hole
30: excavation hole 40: water hammer unit
50: reamer 60: pipe
100: drilling device

Claims (9)

As a high-pressure injection-based directional press-in method using a water hammer,
A first step of installing an excavation device including a water hammer unit for forming an entry hole by excavating a predetermined portion of the surface of the ground at a predetermined depth and spraying an excavation composition containing water to the tip at the side of the entry hole;
A second step of forming an excavation hole into the ground through the excavation device;
a third step of separating the water hammer unit from the front end of the drilling device and then coupling the reamer to expand the drilling hole;
A fourth step of discharging the sludge generated in the expanded drilling hole to the outside by injecting a recovery agent containing a mixture control agent into the expanded drilling hole through a spraying unit mounted on the drilling device;
The mixability regulator,
Preparing a first solution by mixing 15 to 40 parts by weight of decyl glucoside, 10 to 25 parts by weight of glycolipid, and 40 to 85 parts by weight of purified water;
preparing a secondary solution by mixing 85 to 93 parts by weight of the first solution with 3 to 10 parts by weight of quercetin and 1 to 5 parts by weight of menthyl anthranilate;
Mixing 90 to 97 parts by weight of the secondary solution with 1 to 5 parts by weight of methylglucamine and 1 to 10 parts by weight of an adsorption enhancer including Illite to complete a mixture control agent; through Characterized in that it is manufactured, a directional press-in method. According to claim 1,
After the fourth step,
A fifth step of injecting a filler into the inner wall of the enlarged drilling hole; characterized in that it is included, the directional press-in method. According to claim 2,
The filling material is
80 to 95 parts by weight of a base made of at least one of mortar and concrete; and
5 to 20 parts by weight of a crack reducing agent containing urea and polydimethylsiloxane; characterized in that it comprises a directional indentation method. According to claim 1,
The drilling composition,
Characterized in that it further comprises at least one of sodium bicarbonate (Sodium bicarbonate), corn cob (corn cob) and quartz sand (quatz sand), the directional press-in method. According to claim 1,
In the fourth step,
Photographing the sludge remaining inside the drilling hole through a photosensor, and spraying the recovery agent while adjusting the injection pressure according to the amount of the remaining sludge to discharge the sludge generated in the expanded hole to the outside Characterized in that, a directional press-in method. According to claim 5,
In the fourth step,
A sludge photographing step of photographing the sludge remaining inside the drilling hole through a photosensor;
A particle size determination step of determining the average particle size of the sludge;
And a particle size control step of adjusting the particle size of the sludge by adjusting the spray pressure of the injection unit when the average particle size exceeds the preset reference particle size. delete delete delete

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