KR100999880B1 - Apparatus for pressing steel pipe and method for well foundation construction using thereof - Google Patents

Abstract

PURPOSE: A steel pipe pressing-in device and a foundation constructing method of a sunk well using the same are provided to enable a cylinder of a hydraulic device to press multiple steel pipes underground using the reaction force of power applied on a support member. CONSTITUTION: A steel pipe pressing-in device comprises a steel pipe(200), a support member(300), and a hydraulic device. The steel pipe is formed with multiple grooves. The support member supports the steel pipe. The hydraulic device presses the steel pipe underground using fluid pressure. The hydraulic device comprises a main body member. The main body member is inserted into the groove of the steel pipe.

Description

Steel pipe press-fitting device and the well construction method using the same {APPARATUS FOR PRESSING STEEL PIPE AND METHOD FOR WELL FOUNDATION CONSTRUCTION USING THEREOF}

The present invention relates to a steel pipe indentation apparatus and a well-pit construction method using the same.

Various methods such as a method using an air box, a method using a fixed frame, a caisson foundation method and the like are used to construct a well foundation. For example, the caisson foundation method is a basic construction method in which hollow concrete structures manufactured in water or on land are settled to the support layer by self weight or load, and then finished with concrete, gravel, sand, or the like.

In the caisson foundation method, the open caisson is a concrete cylinder with an open top and a lower part, also known as a well base, and can be manufactured in various forms such as round, square, rectangular, and oval.

Here, the well body is generally produced by dividing two to three. Therefore, the well foundation work is carried out by connecting the well body main body to each other, or proceed to the method of seating the well body made of steel collectively in place through the continuous concrete pouring.

At this time, the excavation work is carried out by a manpower excavation until the groundwater reaches a small well in the case of a small well bucket, and is loaded by a bucket, and in the case of a large well well using a drilling machine such as a clamshell or a blasting method It can be performed as. In addition to the open caisson, various methods such as air caisson, box caisson, RCD / bell type caisson, wall steel caisson can be used for the construction of the well.

However, the conventional well construction work has to install a number of flat pants, cranes, high-pressure pumps, generators, water pumps, and the like, the work process is complicated, and thus the working period takes a long time (more than several months). In addition, due to heavy equipment and other complex facilities there was a problem that the cost of the price increases.

Therefore, there is a need to improve the conventional well-pit construction work to perform the construction work more efficiently and simply.

One embodiment of the present invention is to provide a steel pipe indentation device and a well-hole construction method using the same that allows the cylinder of the hydraulic press to effectively press a plurality of steel pipes into the ground by the reaction force of the force acting on the support member There is this.

In addition, according to the above-mentioned problem solving means of the present invention, the cylinder of the hydraulic press the steel pipe in the ground by the reaction force of the force acting on the support member, the low cost and high cost by the repetitive work of excavation work, support member installation, other steel pipe installation It is an object of the present invention to provide a steel pipe press-fitting device and a well-pit construction method using the same, so that the well-base construction can be efficiently performed with efficiency.

As a technical means for achieving the above-described technical problem, the steel pipe indentation apparatus according to the first aspect of the present invention is to support the steel pipe with a plurality of grooves in the longitudinal direction, the support member for supporting the steel pipe and the steel pipe by using hydraulic pressure A hydraulic press includes a press-fitting hydraulic press, wherein the hydraulic press includes a main body portion inserted into the groove of the steel pipe, and when a cylinder mounted on the main body portion is used to press the hydraulic force to apply a force to the support member, the main body inserted into the groove of the steel pipe The steel tube is pushed into the ground by the reaction of force.

Here, the main body includes a protrusion formed at a lower end of one side and inserted into a groove of the steel pipe.

The main body further includes a propulsion jack for straightening or reversing the cylinder using hydraulic pressure and an operation control unit for controlling the propulsion jack to move the cylinder straight or backward by transmitting a control signal to the propulsion jack.

The hydraulic machine further includes a hydraulic pressure generating unit for generating hydraulic pressure, a hydraulic control unit for adjusting the hydraulic pressure, and a hydraulic transmission unit for transmitting the hydraulic pressure to the main body.

The main body includes a hydraulic connection part connected to the hydraulic transmission part to receive hydraulic pressure.

And the front end of the steel pipe is formed in the concave portion of the concave shape is formed in the inclined surface formed at an inclined angle so as to be pressed into the ground.

The steel pipe also includes an upper body in which a plurality of grooves are formed in the longitudinal direction, and a lower body which is connected to the lower surface of the upper body and extends to the end side of the upper body.

According to the second aspect of the present invention, the well construction method according to the second aspect of the present invention provides a body of the oil press inserted into the groove of the preceding steel pipe which is pushed in the axial direction by the force of the cylinder of the oil press to the first support member. Press-fitting the preceding steel pipe into the ground, excavating the ground of the region into which the preceding steel pipe is press-fitted according to a certain form, and installing a second support member in the excavated region, the preceding steel pipe being longitudinally A plurality of grooves are formed, and the body portion includes a protrusion of a protruding shape inserted into the groove.

And installing a trailing steel pipe at the rear end of the preceding steel pipe, pressing the preceding steel pipe into the ground by the reaction force of the force acting on the second supporting member, excavating the ground of the region into which the preceding steel pipe is pressed in shape. And installing a third support member in the excavated region.

In this case, the leading end of the preceding steel pipe is a form in which a concave portion is formed in a concave shape on the inclined surface formed at an inclined angle so as to be press-fitted into the ground, the end of the trailing steel pipe is characterized in that the coupling surface is formed to be coupled to the rear end of the preceding steel pipe do.

The well construction method according to the third aspect of the present invention comprises the steps of installing the hoist structure for the soil discharging, installing the preceding steel pipe in the vertical direction on the side of the hoist structure, excavating the ground on which the preceding steel pipe is installed according to a certain form Mounting the preceding steel pipe in the excavated region, installing the first supporting member in the excavated region, installing the trailing steel pipe in the rear end of the preceding steel pipe, and connecting the preceding steel pipe to the first supporting member Press-fitting into the ground to a certain depth with a reaction force of the acting force, excavating the ground of the region into which the preceding steel pipe is press-fitted according to the form, and installing a second support member in the excavated region.

And installing a reaction wall on the outside of the excavated area after installing the hoist structure.

Here, the preceding steel pipe has a plurality of grooves formed in the longitudinal direction, and the hydraulic machine includes a main body portion inserted into the groove of the preceding steel pipe, and the preceding steel pipe has a reaction force in the uniaxial direction by the reaction force of the cylinder acting on the first support member. It is press-fitted into the ground by the main body part inserted in the pushed-out groove.

The preceding steel pipe also includes a groove formed upper body and a lower body connected to the lower surface of the upper body and extending to the end side of the upper body.

And the front end portion of the preceding steel pipe is a concave shape of the concave shape is formed on the inclined surface formed at an inclined angle to be pressed into the ground, the trailing portion of the trailing steel pipe is characterized in that the coupling surface is formed to be coupled to the rear end of the preceding steel pipe do.

In addition, at least one of the first to third support members described above is provided in an 'H' shape.

According to the problem solving means of the present invention described above, it is possible to effectively press a large number of steel pipes into the ground by the reaction force of the force acting on the support member of the cylinder of the hydraulic press.

In addition, according to the above-mentioned problem solving means of the present invention, the cylinder of the hydraulic press the steel pipe in the ground by the reaction force of the force acting on the support member, the low cost and high cost by the repetitive work of excavation work, support member installation, other steel pipe installation The efficiency of well foundation construction can be achieved effectively.

1 illustrates a state in which a steel pipe is press-fitted using a steel pipe press-fit apparatus according to an embodiment of the present invention.
Figure 2 shows a side view of the hydraulic according to an embodiment of the present invention.
Figure 3 shows a plan view of the hydraulic according to an embodiment of the present invention.
4 is a block diagram of a steel pipe indentation apparatus according to an embodiment of the present invention.
5 is a perspective view of a steel pipe pressed into the ground according to an embodiment of the present invention.
FIG. 6 illustrates a steel pipe additionally installed in the steel pipe of FIG. 5.
7 illustrates a connection member for coupling a steel pipe according to an embodiment of the present invention.
8A to 8I illustrate a well-pit construction process according to an embodiment of the present invention.
Figure 9 shows the construction of the well basin foundation completed in accordance with an embodiment of the present invention.
10 is a plan view of a well basin base according to an embodiment of the present invention.
11 is a flow chart of the well-hole construction method according to an embodiment of the present invention.

DETAILED DESCRIPTION Hereinafter, exemplary embodiments of the present invention will be described in detail with reference to the accompanying drawings so that those skilled in the art may easily implement the present invention. The present invention may, however, be embodied in many different forms and should not be construed as limited to the embodiments set forth herein. In the drawings, parts irrelevant to the description are omitted in order to clearly describe the present invention, and like reference numerals designate like parts throughout the specification.

Throughout the specification, when a part is "connected" to another part, this includes not only "directly connected" but also "electrically connected" with another element in between. . In addition, when a part is said to "include" a certain component, which means that it may further include other components, except to exclude other components unless otherwise stated.

1 illustrates a state in which a steel pipe is press-fitted using a steel pipe press-fit apparatus 100 according to an embodiment of the present invention.

As shown in Figure 1, the steel pipe indentation apparatus 100 of the present invention can press the steel pipe in the ground using hydraulic pressure. To this end, the steel pipe indentation device 100 is a steel pipe 200 having a plurality of grooves formed in the longitudinal direction, the support member 300 for supporting the steel pipe 200 and the hydraulic press for injecting the steel pipe into the ground using hydraulic pressure 105 ).

More specifically, the steel pipe 200 press-fitted into the ground is formed with a plurality of grooves (a ') in the longitudinal direction, the hydraulic unit 105 has a protrusion formed by protruding one lower end so as to be inserted into the groove (a') ( 121). The oil press 105 will be described in detail with reference to FIGS. 2 and 3, and the steel pipe 200 in which the groove a 'is formed will be described in detail later with reference to FIGS. 5 and 6.

In addition, the support member 300 may be installed in an 'H' shape to support the steel pipe 200. Accordingly, the cylinder of the oil press 105 is straightened by using hydraulic pressure to exert a force ① on the supporting member installed in the lateral direction, and is inserted into the groove a 'of the steel pipe 200 by the reaction force ② of the force. By pushing the main body portion 120 of the hydraulic oil press 105 can be pressed into the ground pipe.

Hereinafter, the oil press 105 inserted into the groove a 'of the steel pipe 200 described above with reference to FIGS. 2 and 3 will be described in more detail.

2 and 3 show a side view and a plan view of a hydraulic press according to an embodiment of the present invention.

As shown in Figures 2 and 3, the hydraulic press 105 includes a body portion 120 that is inserted into the groove of the steel pipe. At this time, when the cylinder 126 mounted on the main body portion 120 is moved straight by using hydraulic pressure to apply a force to the support member, the main body portion 120 inserted into the groove of the steel pipe pushes the steel pipe into the ground by the reaction force of the force. Press in.

Here, the main body 120 includes a protrusion 121 protruding from one side lower end and inserted into a groove of the steel pipe.

In addition, the main body 120 transmits a signal to the propulsion jack 124 and the propulsion jack 124 to move the cylinder straight or backward using hydraulic pressure so that the propulsion jack 124 moves the cylinder 126 straight or backward. It includes a hydraulic control unit 122a, 122b connected to the hydraulic control unit 125 to be described later to transmit the hydraulic pressure to the operation control unit 123 and the main body 120 to control the hydraulic pressure.

Hereinafter, an operation function of the steel pipe indentation apparatus 100 for operating the cylinder 126 of the oil press 105 by generating the oil pressure and transmitting the oil pressure to the oil press 105 will be described in more detail.

4 is a block diagram of the steel pipe indentation apparatus 100 according to an embodiment of the present invention.

As shown in FIG. 4, the steel pipe indentation device 100 includes a hydraulic pressure generating part 102, a hydraulic pressure adjusting part 104, a hydraulic pressure transmitting part 125, an operation control part 123, and a propulsion jack 124. .

First, the oil pressure generating unit 102 generates oil pressure, and the oil pressure adjusting unit 104 adjusts the oil pressure to supply appropriately. Here, the oil pressure generated by the oil pressure generating unit 102 may be adjusted in size according to the operation of the oil pressure adjusting unit 104, and the oil pressure adjusting unit 104 may supply or cut off by appropriately adjusting the generated oil pressure. Can be.

The oil pressure transmitting unit 125 transmits oil pressure to the main body 120 of the oil pressure unit 105 described above. At this time, the hydraulic transmission unit 125 may be implemented as a hydraulic hose.

The operation controller 123 transmits a control signal to the propulsion jack 124 to control the propulsion jack 124 to move the cylinder 126 straight or backward using hydraulic pressure. That is, the operation control unit 123 may be implemented as a switch device, and the propulsion jack 124 moves the cylinder 126 straight or backward by using the hydraulic pressure provided through the hydraulic hose according to the switch operation.

As described above, the propulsion jack 124 straightens or retracts the cylinder by using hydraulic pressure according to a control signal of the operation controller 123.

Hereinafter, a steel pipe press-fitted into the above-described ground through FIGS. 5 and 6 will be described in more detail.

5 is a perspective view of a steel pipe pressed into the ground according to an embodiment of the present invention.

As illustrated in FIG. 5, the tip portion of the preceding steel pipe (hereinafter referred to as “steel pipe”) 200 to be pressed into the ground is formed at an inclined angle to be pressed into the ground. At this time, the concave portion 223 of the concave shape may be formed to extend on the inclined surface 222 formed at an inclined angle to be pressed into the ground. Through this, the steel pipe 200 can be more easily pressed into the ground.

In addition, the steel pipe 200 is connected to the upper body 210 is formed with a plurality of grooves (a ') in the longitudinal direction, the lower body is formed to extend to the end side of the upper body 210 is connected to the lower surface of the upper body (210) 220. As such, the main body 120 of the oil press 105 is inserted into the upper body 210 having the plurality of grooves a 'to press-fit the steel pipe 200 into the ground by reaction force. Here, the groove a 'is formed to be connected to the upper body 210 and the lower body 220 so that the protrusion 121 of the main body 120 can be inserted into the upper body 210 and the lower body 220. have.

In addition, the steel pipe 200 has a hollow tube shape inside, the rear end is penetrated and the front end may be closed. Other steel pipes connected to these steel pipes will be described later with reference to FIG. 6.

FIG. 6 illustrates a steel pipe additionally installed in the steel pipe of FIG. 5.

As shown in FIG. 6, a trailing steel pipe (hereinafter, referred to as “other steel pipe”) 201 connected to the steel pipe 200 of FIG. 5 may be a through type, and may be in the longitudinal direction like the steel pipe 200 described above. The upper body 211 is formed with a plurality of grooves (a ') and the lower body 221 is connected to the lower surface of the upper body 211 extends to the end side of the upper body 211.

Here, the distal end of the other steel pipe 201 may be formed with a coupling surface 224 coupled to the rear end of the steel pipe 200, the coupling surface 224 is located at one end of the lower body 221 to be described above It can be combined with the steel pipe 200.

When the coupling surface 224 is not formed in another steel pipe 201, a connection member as shown in FIG. 7 may be used.

7 illustrates a connection member for coupling a steel pipe according to an embodiment of the present invention.

As shown in FIG. 7, the connecting member 230 for coupling the steel pipes 200 and 201 to each other may have a penetrating inner side, and a protruding steel pipe connecting portion 232 is formed on an outer circumferential surface thereof.

More specifically, one end 233b of the connection member 230 is inserted into the rear end of the steel pipe 200 that is press-fitted into the ground, and the other end 233a of the connection member 230 of the other steel pipe 201. When inserted into the front end portion, the steel pipes 200 and 201 are fitted to each end 233b and 233a of the connecting member 230 with the steel pipe connecting portion 232 being in close contact with each other. In this way, different steel pipes may be coupled to each other.

Hereinafter, a process of performing the well construction based on the steel pipe using the above-described steel pipe indentation apparatus 100 will be described with reference to FIGS. 8A to 8I.

8A to 8I illustrate a well-pit construction process according to an embodiment of the present invention.

Well basin bases can be manufactured in a variety of forms, including round, square, rectangular and oval. In the present embodiment will be described in detail the process of constructing the well basin foundation at low cost simply by using the above-described steel pipe indentation apparatus 100. However, the above-described steel pipe indentation apparatus 100 is not limited to such a well-base construction, and of course, may be utilized in various construction methods.

As shown in FIG. 8A, a hoist structure 802 for earth discharge is first installed. Specifically, each of the 'H' shape of the support material can be separately assembled, install the floor foundation on the ground (10), then install the pillars, and then install the top roof in order to install the hoist structure (802) have. Here, the inner support member 802b and the outer support member 802a are installed to allow the steel pipe to be installed in the vertical direction therebetween.

Next, as shown in FIG. 8B, the reaction force wall 804 is installed. Here, the reaction wall 804 casts concrete outside the vertical excavation area, thereby acting as a reaction force when the steel pipe indentation. Specifically, after installing the hoist structure 802 described above, it can be carried out in a manner of placing the foundation by pouring concrete to the bottom foundation radius.

Next, as shown in FIG. 8C, the first steel pipe 200 press-fitted into the ground is installed on the side of the hoist structure 802. At this time, the first steel pipe 200 is installed between the internal support member 802b and the external support member 802a to allow the internal and external structures to protect the steel pipe.

Next, as shown in FIG. 8D, the ground in which the first steel pipe 200 is installed is excavated in a predetermined form, and the excavated contents (eg, earth and sand) are taken out to excavate the first steel pipe 200. (b '). At this time, excavation may be made in a variety of wells, such as round, square, rectangular and oval.

Here, after pressing the first steel pipe 200 to the depth to be excavated with the hydraulic pressure 105, the ground on which the first steel pipe 200 is installed may be excavated. At this time, when the first steel pipe 200 is press-fitted into the oil press 105 to the depth to be excavated, the cylinder 126 of the oil press 105 exerts a force on the horizontal support of the hoist structure 802, The first steel pipe 200 may be pressed into the ground by the reaction force of the force.

In addition, as described above, the ground in which the first steel pipe 200 is initially installed in advance is pre-drilled to a predetermined depth so that the first steel pipe 200 may be seated in the excavated area b ′ without the need for a separate steel pipe indentation operation. It may be.

Next, as shown in FIG. 8E, the first support member 300 is installed in the region b ′ where the excavation operation is performed. In this case, the first supporting member 300 may be installed to support the first steel pipe 200 installed in the longitudinally excavated region b ′.

The first support member 300 is a support member 300a installed in the transverse direction so as to press the steel pipe into the ground using the steel pipe press-fit device 100 and the longitudinal support member supporting the teeth 300a. 300b may be included.

Next, as shown in FIG. 8F, the cylinder 126 of the oil press 105 is moved straight using the hydraulic pressure to surround the hoist structure 802 in the lateral direction of the hoist structure 802 or the supporting member 300a installed in the lateral direction. Depth to exert a force on the structure, to push the main body portion 120 of the hydraulic press 105 inserted into the groove of the first steel pipe 200 in the ground direction by the force of the force to excavate the first steel pipe 200 Indent to the ground.

In this case, prior to performing the steel pipe indentation, the second steel pipe 201 may be installed at the rear end of the first steel pipe 200. In addition, after the steel pipe press-fitting is performed to some extent, the second steel pipe 201 may be provided at the rear end of the first steel pipe 200 when appropriate.

Therefore, the first steel pipe 200 may be press-fitted into the ground more simply by using the pressure applied to the first steel pipe 200 by the second steel pipe 201 installed at the rear end of the first steel pipe 200.

Next, as shown in FIG. 8G, the excavation work is performed according to the depth in which the first steel pipe 200 is press-fitted, and the second support is similarly supported in the region c ′ in which the excavation work is performed as shown in FIG. 8H. The member 301 is further installed.

At this time, the second support member 301 is a support member 301a installed in the transverse direction so as to press the steel pipe into the ground using the steel pipe press-fit device 100 and the longitudinal support member supporting the teeth 301a. 301b.

That is, the second support member 301 may be installed in the 'H' shape, as in the above-described first support member 300 used for the well base, and the support member to be installed later may be installed in the same shape. have. Preferably, the support member to which the force is applied by the cylinder 126 is appropriately provided in the lateral direction one step before the support member installed after the excavation work.

Next, as shown in FIG. 8I, another steel pipe is additionally installed at the rear end of the second steel pipe 201, and the first steel pipe 200 is press-fitted in the same manner as described above. . At this time, the reaction force of the force applied to the lateral support member 300a of the first support member 300 or other peripheral support members by the cylinder 126 of the hydraulic pressure 105 and other steel pipes connected to the first steel pipe 200 The steel pipe 200 may be pressurized more easily by the pressure applied to the steel pipe 200, and other steel pipes may be pressed together with the first steel pipe 200 pressurized in the ground.

Then, as described above, the excavation work and the installation of the support member are performed. Here, the first installed steel pipe 200 is continuously press-fitted into the ground using the surrounding support members, or according to the convenience of the operation, the other steel pipes pressed into the ground and the press-fitting operation properly using the surrounding support members Of course it can also be performed.

Figure 9 shows the construction of the well basin foundation completed in accordance with an embodiment of the present invention. 10 is a plan view of a well basin base according to an embodiment of the present invention.

9 and 10, the well base may be completed through the above-described well base construction process (FIGS. 8A to 8I).

That is, as described above with reference to Figures 8a to 8i, by the repetitive operation, such as steel pipe indentation, excavation operation, support member installation, other steel pipe installation can be made in a well-pit foundation construction in various forms such as circular, square, rectangular and oval .

As described above, while the work such as steel pipe indentation, excavation work, support member installation, and other steel pipe installation is repeatedly performed, the well-pit construction of the well as shown in FIG. 9 is completed. To summarize the process of the construction of the well base, as shown in Figure 11 below.

11 is a flow chart of the well-hole construction method according to an embodiment of the present invention.

First, the hoist structure 802 for discharging the earth and sand is installed (S1001).

Next, a reaction force wall 804 is provided outside the area to be excavated (S1011).

Next, the steel pipe is installed in the vertical direction on the side of the hoist structure 802, and the steel pipe is press-fitted into the ground using the oil press 105 (S1021). Here, the steel pipe is formed with a plurality of grooves in the longitudinal direction, the oil press 105 includes a main body portion 120 is inserted into the groove of the steel pipe.

Then, the steel pipe is pressurized into the ground by the main body portion inserted into the groove axially pushed by the reaction force of the cylinder 126 of the oil pressure 105 acting on the supporting member (for example, 'H' shaped support member). In addition, it is of course that the steel pipe may be seated in the excavated area without a separate indentation operation by being excavated to the first predetermined depth.

Next, the ground in which the steel pipe is pressed is excavated according to a predetermined form and the excavated soil is taken out (S1031).

 Next, the support member is installed in the excavated area (S1041). Here, the support member may be installed in the 'H' shape according to the well foundation form.

And another steel pipe is provided in the rear end of a steel pipe (S1051). Here, the distal end of the steel pipe may have a concave shape extending from the inclined surface formed at an inclined angle to be pressed into the ground, and the distal end of the other steel pipe may have a coupling surface coupled to the rear end of the steel pipe.

Subsequently, the steel pipe press-in operation, the excavation operation, the support member installation, and the other steel pipe installation operations of S1021 to S1051 are repeated, and the well base is formed. More detailed information has been described above with reference to FIGS. 8A to 8I, and thus, reference may be made thereto.

On the other hand, the above description of the present invention is intended for illustration, and those skilled in the art can understand that the present invention can be easily modified in other specific forms without changing the technical spirit or essential features of the present invention. There will be. It is therefore to be understood that the above-described embodiments are illustrative in all aspects and not restrictive. For example, each component described as a single type may be implemented in a distributed manner, and similarly, components described as distributed may be implemented in a combined form.

And the scope of the present invention is represented by the appended claims rather than the detailed description, and all changes or modifications derived from the meaning and scope of the claims and their equivalent concepts are included in the scope of the present invention. Should be.

100: steel pipe indentation device 102: hydraulic pressure generating unit
104: hydraulic control unit 105: oil pressure
121: protrusion 120: main body
122a, 122b: hydraulic connection part 123: operation control part
124: propulsion jack 125: hydraulic transmission unit
126: cylinder 200, 201: steel pipe
300, 301: support member

Claims (16)

In the steel pipe indentation device,
Steel pipe formed with a plurality of grooves in the longitudinal direction,
A support member for supporting the steel pipe and
It includes a hydraulic press for injecting the steel pipe into the ground using hydraulic pressure,
The oil press,
And a main body portion inserted into the groove of the steel pipe, and when a cylinder is mounted on the main body portion by using hydraulic pressure to apply a force to the support member, the main body portion inserted into the groove of the steel pipe is formed as a reaction force of the force. Push the steel pipe into the ground
The tip of the steel pipe,
A concave portion extending from the inclined surface formed at an inclined angle so as to be pressed into the ground
Steel pipe indentation device.
The method of claim 1,
The main body portion,
Steel pipe indentation device comprising a protrusion formed on one side of the lower end is inserted into the groove of the steel pipe.
The method of claim 2,
The main body portion,
A propulsion jack for straightening or retracting the cylinder by using the hydraulic pressure;
And a control unit for transmitting the control signal to the propulsion jack to control the propulsion jack to move the cylinder straight or backward.
The method of claim 1,
The oil press,
Hydraulic generating unit for generating the hydraulic pressure,
Hydraulic control unit for adjusting the hydraulic pressure and
Steel pipe indentation device further comprising a hydraulic transmission for transmitting the hydraulic pressure to the main body.
The method of claim 4, wherein
The main body portion,
Steel pipe indentation apparatus including a hydraulic connection portion connected to the hydraulic transmission unit for receiving the hydraulic pressure.
delete The method of claim 1,
The steel pipe,
An upper body having a plurality of grooves formed in the longitudinal direction;
Steel pipe indentation device comprising a lower body connected to the lower surface of the upper body and formed to extend to the end side of the upper body.
In the well base construction method,
Driving the cylinder of the oil press to the first support member to force the force, and press-fitting the preceding steel pipe into the ground by the body part of the oil press inserted into the groove of the preceding steel pipe pushed uniaxially by the reaction force;
Excavating the ground of the region into which the preceding steel pipe is pressed according to a predetermined shape; and
Installing a second support member in the excavated region;
The preceding steel pipe is formed with a plurality of the groove in the longitudinal direction,
The main body portion includes a protrusion having a protruding shape inserted into the groove,
The front end portion of the preceding steel pipe is a form in which the concave portion of the concave shape is formed on the inclined surface formed at an inclined angle so as to be pressed into the ground
Water well foundation construction method.
The method of claim 8,
Installing a trailing steel pipe at a rear end of the preceding steel pipe,
Pressing the preceding steel pipe into the ground with a reaction force of the force acting on the second support member,
Excavating the ground of the region into which the preceding steel pipe is pressed according to the shape; and
Installing a third support member in the excavated region;
Water well foundation construction method.
The method of claim 9,
A well construction method according to claim 1, wherein the leading end of the trailing steel pipe has a coupling surface formed to be coupled to the rear end of the preceding steel pipe.
In the well base construction method,
Installing the hoist structure for discharging soil,
Installing a preceding steel pipe in a vertical direction on a side of the hoist structure,
Excavating the ground in which the preceding steel pipe is installed according to a predetermined shape and seating the preceding steel pipe in the excavated area;
Installing a first support member in the excavated region,
Installing a trailing steel pipe at a rear end of the preceding steel pipe,
Injecting the preceding steel pipe into the ground to a certain depth by the reaction force of the force of the cylinder of the hydraulic press on the first supporting member,
Excavating the ground of the region into which the preceding steel pipe is pressed according to the shape; and
Installing a second support member in the excavated region;
The front end portion of the preceding steel pipe is a form in which the concave portion of the concave shape is formed on the inclined surface formed at an inclined angle so as to be pressed into the ground
Water well foundation construction method.
The method of claim 11,
After installing the hoist structure and the well construction method further comprises the step of installing a reaction wall on the outside of the excavated area.
The method of claim 11,
The preceding steel pipe is formed with a plurality of grooves in the longitudinal direction,
The hydraulic unit includes a main body portion inserted into the groove of the preceding steel pipe,
And the preceding steel pipe is pressurized into the ground by the body part inserted into the groove which is pushed in the uniaxial direction by the reaction force of the force acting on the first support member.
The method of claim 13,
The preceding steel pipe,
An upper body having the groove formed therein;
Well-hole construction method comprising a lower body connected to the lower surface of the upper body extending to the longitudinal side of the upper body.
The method of claim 11,
A well construction method according to claim 1, wherein the leading end of the trailing steel pipe has a coupling surface formed to be coupled to the rear end of the preceding steel pipe.
The method according to any one of claims 8 to 15,
Any one of the first support member to the third support member is installed in a 'H' shape well base construction method.

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