KR20090109400A - Construction method for sheet pile and sheet-pile guide-pile combination thereof - Google Patents

Abstract

PURPOSE: A sheet pile mounting method and a sheet pile - guide pile assembly used for the same are provided to increase work efficiency by making a process, crushing the ground and pressing and inserting the sheet pile, simple. CONSTITUTION: A guide pile is mounted on the bottom of a hydraulic breaker. A hydraulic indentation draw bench clamps a sheet pile-guide pile assembly. The hydraulic breaker operates to crush the ground on a press way the sheet pile-guide pile assembly. After crushing, the sheet pile - guide pile assembly is pressed. The hydraulic indentation draw bench again clamps the guide pile site of the sheet pile - guide pile assembly.

Description

Sheet pile installation method and sheet pile-guide pile combination used. {Construction method for sheet pile and sheet-pile guide-pile combination

The present invention relates to a seat pile installation method and a seat pile-guide pile combination used therein, and more particularly, to a hard ground using a hydraulic breaker, while a hydraulic pile presser is used to break the sheet pile into the ground. The sheet pile installation method for the construction of the sheet pile on hard ground such as amber stone, weathered rock, and gravel layer by press-fitting is made smoothly, and the work equipment and work process for the construction of the sheet pile are simplified and the work efficiency is increased. Sheet file-guide file combination.

When excavating the ground to install underground structures in civil engineering and construction, etc., an earthen barrier wall is constructed to prevent the collapse of the excavation surface.

To this end, in general, the earth wall using the earth plate or the method of forming a water barrier wall by cement grouting, such as the Republic of Korea Patent Publication No. 195-0002119 "Sheet pile installation method" is used, the earth wall using the earth plate Due to the nature of the wood to form a problem there was no problem, the order wall formed by cement grouting has a problem that the cement is lost by the groundwater in the ground where the groundwater moves at a high speed.

Accordingly, the sheet pile (steel sheet pile) is constructed as a barrier wall, such a sheet pile is made of cast steel material and excellent in strength and durability, and can perform the role of the earth wall as a continuous wall rigid body, Since the sheet piles connected to each other in a predetermined cross-sectional shape are engaged with each other, the watertightness is also improved, so that the role of the order wall can be sufficiently performed.

As a method for installing such a sheet pile on the ground, a non-stop drilling method using a vibro pile hammer, Published Patent Application Publication No. 10-2005-0102173 "A rock drilling work Jive pilot method (ship drill drilling method) and A method of installing a sheet pile by merging the water jet in the driving method as described above, Republic of Korea Patent Publication No. 1998-064990 "Construction method of the steel sheet pile", Patent Registration No. 10-0348024 "Sheet file after condensation Method of installing the drill, "and" No. 10-0770783 "," Seat pile construction method ", such as a punching equipment after the perforation of the punching after the punching of the pile pile with a vibro hammer.

Here, the method of integrating the water jet into the driving method is equipped with a nozzle to inject high pressure water to the front end of the seat pile, the high pressure water is supplied from the water jet pump using a pipe pipe to disturb the ground of the front end of the seat pile As a construction method that adds the vibratory force of the vibro pile hammer to facilitate the incorporation of the sheet pile, the sheet pile can be applied to sand and weathered soil, which are difficult to install by the general navigation method, but hard such as weathered rock, gravel layer, and stone layer. In the ground, the construction of the sheet pile was difficult.

In addition, the water jet merging method has a difficulty in installing the pipe pipe to all the seat pile, and additionally equipped with a jet pump, auxiliary crane and generators, and must use a large amount of water (300 ~ 900L / min) Therefore, there is a problem that a lot of time and cost is required because the work preparation and the process is complicated, such as additional water intake and sprinkler should be added.

In addition, the convex drilling method is a method of installing a sheet pile after drilling the ground by mounting a hammer to crush and crack the ground while vertically reciprocating by compressed air in a large perforator. Although it has been applied to the installation of sheet piles in the ground, a casing should be installed in order to prevent soil collapse in the perforation hole after the above-mentioned perforation after the perforation, and after the casing is installed, the casing is replaced with high-quality soil. The drawing process is complicated, and the process for installing the seat pile as a joint hitting the seat pile in place, the work process is slow to progress the work efficiency is low, there was a problem that takes too much time and expense.

In addition, the hammer path of the hammer by the stone or rock included in the ground is deviated from the initially set vertical downwards and the problem of not being sequentially linked during the construction of the sheet pile and collided with the stone or rock that was not fractured during the driving of the sheet pile Therefore, there was a problem that the damage of the sheet pile occurs, which caused the water penetrates and the water barrier construction itself is meaningless.

On the other hand, the method of incorporating the water jet method, such as the above-mentioned anti-taking method, after the anti-punching method of the natural boring method causes a lot of noise and vibration, Republic of Korea Patent Publication No. 1996-0014545 "Indentation pile mounting method", The press-fitting method using a hydraulic press-fitting machine with almost no vibration is also applied to the construction of the sheet pile, such as "No. 10-0528814", "Method for press-fitting a non-bonded closed cross-section pillar using a plurality of steel sheet piles." In the case of the press-fitting method using the hydraulic press-drawn machine, it was mainly applied to the soft ground due to the limitation of the pressing force on the sheet pile, and to install the sheet pile on the hard ground such as the amber stone layer, the gravel layer, the weathered rock, and the stone layer. In order to solve the above problem, the method of merging the water jet method and the congenital post-harvest method should be applied again. It was.

Therefore, the present invention is to improve the problems of the prior art, such as amber stone layer, weathered rock, gravel layer by pressing the sheet pile into the ground by using a hydraulic presser pulverizer while crushing hard ground using a hydraulic breaker (breaker) It is an object of the present invention to provide a sheet pile installation method and a sheet pile-guide file combination used therein, which can facilitate the construction of the sheet pile on the ground.

In addition, the present invention provides a simplified work device by the use of a hydraulic brake car and a hydraulic press puller, and a new form of the sheet pile which can increase the work efficiency by providing a simplified work process of press-fitting the sheet pile while crushing the ground. An object of the present invention is to provide an installation method and a sheet file-guide file combination used therefor.

According to a feature of the present invention for achieving the above object, the present invention is a guide installed in the sheet pile installation method for injecting the sheet pile into the ground for water, mud and the like in civil engineering and construction work, the guide provided with a hydraulic breaker at the bottom A sheet file-guide file assembly forming step of coupling the file to the press-fit sheet file to form a sheet file-guide file assembly; A hydraulic press-fit extractor clamps the seat pile guide guide assembly to press the seat pile guide pile assembly into the ground to a predetermined depth from the ground, and operates the hydraulic breaker installed in the guide pile to operate the seat pile guide guide assembly. A sheet file-guide file assembly press-fitting step of press-fitting said sheet pile guide guide assembly while crushing the ground on the press fitting path of said step; After releasing the hydraulic press-fit extractor from the sheet pile-guide pile assembly press-fitted into the ground in the press-fitting of the sheet pile-guide pile assembly, the hydraulic press-out extractor clamps the guide pile portion of the sheet pile-guide pile assembly again. A guide file drawing step of drawing out only the guide file from the sheet file-guide file assembly to the ground; It is characterized by including.

In the sheet file installation method according to the present invention, the sheet file-guide file assembly forming step is characterized by forming a sheet file-guide file assembly using the guide file drawn in the guide file drawing step.

In the sheet file installation method according to the present invention, a plurality of sheet files are pressed into the ground one by one through the sheet file-guide file assembly forming step, the sheet file-guide file assembly pressing step, and the guide file drawing step. The sheet pile press-fitted in the sheet pile guide guide assembly press-fitting step is characterized in that it is welded and fixed to the joined sheet pile continuous body which is already press-fitted.

According to another feature of the present invention for achieving the above object, the sheet pile-guide pile assembly according to the present invention has a predetermined cross-sectional shape to form a frame of the structure for the clam, mud wall in civil engineering, construction work, hydraulic press A sheet pile pressed into the ground by a drawing machine; A guide pile coupled to the seat pile and having a hydraulic brake car installed and fixed to a lower portion thereof so that the chisel of the hydraulic brake car protrudes downward; The press-fit of the sheet pile and the ground of the ground by the hydraulic breaker may be simultaneously performed by the hydraulic press-out drawer.

In the sheet pile-guide pile assembly according to the present invention, the sheet pile is bent in one direction in the width direction to form a 'c' shaped cross section, and the guide file has a 'c' shaped having a narrower width than the sheet pile. Comprising a cross-sectional shape is coupled to the bent inner surface of the sheet pile, it is characterized in that the hydraulic brake car fixed to the guide pile (2) to break the ground of the position close to the sheet pile.

According to the sheet pile installation method of the present invention and the sheet pile-guide pile assembly used therein, the sheet pile can be applied to hard ground such as amber stone layer, weathered rock and gravel layer by pressing the sheet pile into the ground while crushing the hard ground. It will work smoothly. In addition, by providing a simple device configuration and work process in which the crushing of the ground and press-fitting of the sheet pile using the hydraulic breaker and the hydraulic press-out drawer is provided, the workability is increased and the construction cost is reduced.

Hereinafter, preferred embodiments of the present invention will be described in detail with reference to FIGS. 1 to 4. On the other hand, in the drawings and detailed description showing and referring to the configuration and operation easily understood by those skilled in the art from the general sheet pile installation method is briefly or omitted. In particular, in the drawings and detailed description of the drawings, detailed descriptions and illustrations of specific technical configurations and operations of elements not directly related to technical features of the present invention are omitted, and only the technical configurations related to the present invention are briefly shown or described. It was.

1 is a process block diagram of a seat pile installation method according to the present invention, Figures 2 (a) and (b) is a guide file for installing a hydraulic brake car in the seat pile used in the seat pile installation method according to the present invention 3 is a bottom view of the sheet pile guide guide assembly used in the sheet pile installation method according to the present invention, and FIG. 4 (a) shows the sheet pile installation method according to the present invention. Figure 4 is a view for showing a state of pressing the first sheet pile-guide file combination, Figure 4 (b) is a new sheet pile-guide on the ground in which a plurality of sheet piles are pressed in the sheet pile installation method according to the present invention It is a figure for showing the state which injects a pile assembly.

Sheet pile installation method according to the present invention for embedding the sheet pile in the ground for water, mud, etc. in civil engineering, construction work, in particular, the sheet pile installation method according to the present invention is solid stone amber stone layer, gravel layer, weathered rock , It is applied to install the sheet pile on the hard ground, such as stone floor.

That is, the present invention is a technical feature that presses the sheet pile into the ground by using a hydraulic press-pulling machine while crushing the hard ground using a hydraulic breaker, the path of the sheet pile is press-fitted by the application of the hydraulic breaker As the ground on the ground is crushed, the resistance to indentation of the sheet pile is reduced, so that the construction of the sheet pile on the hard ground is smoothly performed.

The seat pile installation method according to the present invention comprises a sheet file-guide file assembly forming step, a sheet file-guide file assembly pressing step, and a guide file drawing step as shown in FIG.

The sheet file-guide file assembly forming step according to the present invention is a step of forming the sheet file-guide file assembly 10 by coupling the guide file 2 to the press-fit sheet file 1.

Here, the press-fitting sheet pile 1 constitutes a frame of a structure for water cladding and mud-cutting in civil engineering and construction work. Both ends are bent in one direction to form a 'c' shaped cross section.

And, the guide pile (2) is manufactured separately in accordance with the press-fitting sheet pile (1) used in the seat pile installation method is a hydraulic breaker (40) is fixed to the installation below.

Here, the hydraulic brake car 40 is fixed to the guide pile 2 so as to protrude a predetermined length to the lower end of the guide pile 2, the ground to which the sheet pile 1 press-fitted by the hydraulic press-fit extractor 20 is in contact Will be broken.

Guide file (2) according to a preferred embodiment of the present invention is attached to the bent inner surface of the press-fitting sheet pile (1) by welding, the bottom of the press-fitting sheet pile (1) and the bottom of the guide pile (2) It is formed in the same horizontal position so that the hydraulic brake car 40 protrudes to the lower end of the sheet pile guide guide assembly 10.

The guide pile 2 has a width narrower than that of the press-fitting sheet pile 1 so as to be attached to the bent inner surface of the press-fitting sheet pile 1, and the shape thereof is the same as that of the press-fitting sheet pile 1. It is preferable that both ends of the width direction be bent in one direction to form a 'c'-shaped cross section. This is because the hydraulic brake car 40 fixed to the guide pile 2 is positioned closer to the seat pile 1. This is to break up the ground around which the sheet pile 1 is in contact.

Of course, unlike the guide file 2 may be made in a variety of shapes, including a simple flat plate shape.

In the seat pile installation method according to the present invention, as the sheet pile-guide pile assembly 10 is formed as described above, the hydraulic brake car 40 is integrally installed on the sheet pile 1 for the construction of the sheet pile. The configuration of the device is simplified.

In the sheet pile guide guide press fitting step according to the present invention, the hydraulic press-fit extractor 20 clamps the sheet pile guide guide assembly 10 to press the sheet pile guide guide assembly 10 from the ground to a predetermined depth from the ground. In this step, the hydraulic brake car 40 installed in the guide pile 2 is operated to crush the ground on the press-fit path of the sheet pile guide pile assembly 10 and press-fit the sheet pile guide pile assembly 10. Let's go.

The seat pile installation method according to the present invention is a method of press-fitting the sheet pile (1) to the ground using a hydraulic press-fit extractor (20), the hydraulic breaker so that the press-in of the sheet pile (1) is made smoothly in hard ground The guide file 2 in which 40 is installed and fixed is coupled to the sheet pile 1 so that the ground on the press-fitted path of the sheet pile 1 is crushed.

The hydraulic press-fit extractor 20 is a construction equipment used to press or pull an object such as a sheet pile 1 or a guide pile 2 to the ground.

When the hydraulic press-fitting drawer 20 presses the first sheet pile 1 into the ground, the steel frame is installed on the ground around the space where the installation of the sheet pile 1 is made, as shown in FIG. After being fixed to the reaction force stand 70 in the form of a frame, the heavy object 72 is lifted up to the upper end of the reaction force stand 70 so that the hydraulic press-fit withdrawal machine 20 does not move even when the reaction force against the press-fit of the seat pile 1 is fixed. When the sheet pile 1 is press-fitted smoothly, and the plurality of sheet piles 1 are press-fitted to the ground, the hydraulic press-fit machine 20 is press-fitted into the ground as shown in FIG. A plurality of sheet piles 1 are joined by a coupling mechanism such as a clamp 60 to a portion protruding to the ground and supported by the sheet piles 1 to press the new sheet piles 1 into the ground.

Here, when the hydraulic presser drawer 20 is already installed and coupled to the seat pile 1 protruding to the ground, the reaction force against the press force of the seat pile 1 acts on the hydraulic presser drawer 20. Even if the hydraulic presser drawer 20 is already installed to maintain its position by the seat pile (1) protruding to the ground, the press pile of the sheet pile (1) is made smoothly.

The hydraulic press-fit pultruder 20 moves the chuck 22 and the chuck 22 in which the clamping cylinder 24 for holding an object such as the seat pile 1 and the guide pile 2 is installed in the vertical direction. It is provided with a chuck moving cylinder (26).

Accordingly, the seat pile-guide pile assembly 10 is inserted into the chuck 22 of the hydraulic press puller 20 and then fixed to the hydraulic press pull machine 20 by the clamping cylinder 24. .

As described above, the hydraulic press-fit extractor 20 clamps the seat pile-guide pile assembly 10 and then operates the chuck moving cylinder 26 to chuck the seat pile-guide pile assembly 10 to be clamped. By lowering the sheet-guide file assembly 10 is pressed into the ground.

Here, when the hydraulic breaker 40 is installed and fixed to the seat pile-guide pile assembly 10 press-fitted by the hydraulic press-out drawer 20, and the sheet pile guide pile assembly 10 comes into contact with the ground, The brake car 40 is operated to crush the ground located on the path where the sheet pile guide guide assembly 10 is press-fitted.

Accordingly, when the resistance of the ground to the indentation of the sheet pile-guide pile assembly 10 is reduced and the sheet pile installation method according to the present invention is applied, the construction of the sheet pile 1 is smoothly performed even on the hard ground. You lose.

The hydraulic brake car 40 used in the seat pile installation method according to the present invention is a conventional hydraulic brake car having a chisel 42 which strikes the ground while reciprocating up and down by a hydraulic cylinder.

In the seat pile installation method according to the present invention, as the press-fitting of the sheet pile-guide pile assembly 10 in which the hydraulic brakes 40 are installed and fixed as described above, the ground on the press-fitting path of the sheet pile 1 is formed. The crushing and press-fitting of the sheet pile 1 are performed simultaneously, thereby simplifying the work process.

The guide file drawing step according to the present invention is a step of drawing only the guide file 2 from the sheet file-guide file assembly 10 pressed into the ground in the sheet file-guide file assembly pressing step.

When the sheet pile guide pile assembly 10 is press-fitted to the ground to a predetermined depth in the pressing step of the sheet pile guide pile assembly, the chuck of the hydraulic press-fit extractor 20 clamping the sheet pile guide guide assembly 10 ( 22) to release the sheet pile-guide pile assembly 10 from the hydraulic indenter (20).

Then, only the sheet pile 1 is fixed from the sheet pile-guide pile assembly 10 to the continuum of the sheet pile 1 that is already installed and connected by welding or the like, and then the sheet pile-guide pile assembly 10 The guide pile 2 of the hydraulic clamping drawer 20 is clamped again to be drawn to the ground.

The guide file 2 drawn to the ground as described above is coupled to the new sheet file 1 in the sheet file-guide file assembly forming step to form a new sheet file-guide file assembly 10.

Here, the new seat pile (1) coupled to the guide pile (2) drawn to the ground is moved from the loading place to the city factory by a transport mechanism such as a crane.

Sheet file installation method according to the present invention by pressing a plurality of sheet piles (1) into the ground one by one through the sheet pile-guide pile assembly forming step, sheet pile-guide pile assembly pressing step, guide file drawing step as described above · Make a frame for the structure.

As described above, the sheet pile installation method according to an embodiment of the present invention is shown in accordance with the above description and drawings, but this is just described, for example, various changes and modifications within the scope not departing from the technical spirit of the present invention. It will be appreciated by those skilled in the art that this is possible.

1 is a process block diagram of a seat pile installation method according to the present invention;

Figure 2 (a) and (b) is a view for showing a state in which the guide file is installed hydraulic brake car to the seat pile used in the seat pile installation method according to the present invention;

3 is a bottom view of the sheet pile-guide pile assembly used in the sheet pile installation method according to the present invention;

Figure 4 (a) is a view for showing a state of pressing the first sheet pile-guide file assembly in the sheet pile installation method according to the present invention;

Figure 4 (b) is a view for showing a state of pressing a new sheet pile-guide file assembly in the ground in which a plurality of sheet pile is pressed in the sheet pile installation method according to the present invention.

* Description of the symbols for the main parts of the drawings *

1: Sheet file 2: Guide file

10: seat pile-guide pile combination 20: hydraulic press

22: Chuck 24: Clamping Cylinder

26: cylinder for chuck movement 40: hydraulic brake

42: chisel 60: clamp

70: reaction stand 72: heavy

Claims (5)

In the sheet pile installation method for embedding the sheet pile into the ground for water, soil, etc. in civil engineering and construction work, A sheet pile-guide pile assembly forming step of coupling the guide pile installed at the bottom of the hydraulic brake car to the press-fitting sheet pile to form a sheet pile guide guide assembly; A hydraulic press-out extractor clamps the sheet pile-guide pile assembly and presses the sheet pile-guide pile assembly to the ground to a predetermined depth from the ground, and operates the hydraulic breaker installed in the guide pile to operate the sheet pile-guide pile assembly. A sheet file-guide file assembly press-fitting step of press-fitting said sheet pile guide guide assembly while crushing the ground on the press fitting path of said step; After releasing the hydraulic press-fit extractor from the sheet pile-guide pile assembly press-fitted into the ground in the press-fitting of the sheet pile-guide pile assembly, the hydraulic press-out extractor clamps the guide pile portion of the sheet pile-guide pile assembly again. A guide file drawing step of drawing out only the guide file from the sheet file-guide file assembly to the ground; Sheet pile installation method comprising a. The method of claim 1, The sheet file-guide file assembly forming step may include forming a sheet file-guide file assembly using the guide file drawn in the guide file drawing step. The method of claim 1, A plurality of sheet files are pressed into the ground one by one through the sheet file-guide file assembly forming step, the sheet file-guide file assembly pressing step, and the guide file drawing step, but the sheet file-guide file assembly pressing step is carried out. Sheet pile installation method, characterized in that the sheet pile is welded and fixed to the joined sheet pile continuous body that is already press-fitted A sheet pile which is formed in a predetermined cross-sectional shape and forms a frame of a structure for a water barrier or a soil barrier in civil engineering and construction work, and which is press-fitted into the ground by a hydraulic press-out machine; A guide pile coupled to the seat pile and having a hydraulic brake car installed and fixed to a lower portion thereof so that the chisel of the hydraulic brake car protrudes downward; The sheet pile-guide pile assembly characterized in that the press-fitting of the sheet pile and the crushing of the ground by the hydraulic brake car are simultaneously performed by the hydraulic press-drawing machine. The method of claim 4, wherein The sheet pile has both ends of the width direction bent in one direction to form a 'c' shaped cross section, The guide file is made of a 'c' shaped cross section having a narrower width than the sheet file is coupled to the bent inner surface of the sheet file, The sheet pile guide guide assembly, characterized in that the hydraulic brake car fixed to the guide pile (2) to crush the ground of the position close to the sheet pile.

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