KR20230136576A - Combined guide unit for sheet pile construction and construction method of sheet pile using it. - Google Patents

Abstract

The construction method of sheet piles using the fastening guide unit for sheet pile construction according to the present invention is posted. The fastening guide unit for sheet pile construction includes a guide main body and fixing members arranged in the guide main body according to the shape of the cross section of the sheet pile and forming an insertion groove inserted into the end of the sheet pile, on both sides of the guide main body. It is provided in and has an inductive fastening guide part that guides the fastening part of the installed sheet pile and the fastening part of the constructed sheet pile.

Description

Fastening guide unit for sheet pile construction and sheet pile construction method using it. {Combined guide unit for sheet pile construction and construction method of sheet pile using it.}

The present invention relates to the construction of sheet piles, and more specifically, to a fastening guide unit for sheet pile construction that allows sheet piles to be smoothly combined without operator assistance during the sheet pile construction process, and a sheet pile construction method using the same. It's about.

In general, sheet piles are used to form a cutoff wall along the perimeter of the excavation site for various construction or civil engineering works, or as an earth retaining wall to prevent the soft soil behind the excavation from collapsing, or to protect the soft ground around a river. It can be used as a wall to prevent collapse or as an underground water barrier.

There are several types of sheet piles. Depending on the shape of the cross section, they are usually classified into U-shaped, Z-shaped, hat-shaped, straight web-shaped, etc. Joints such as holes or concave-convex are formed at both ends of the sheet pile, It can be fitted with the sheet pile.

To install these sheet piles in the ground, the top of the sheet pile is gripped with a vibrating hammer hung on a crane and vibration is applied to press the sheet pile directly into the ground, or the sheet pile is placed in the correct position due to unstable ground or rocks mixed in the ground. In cases where it is difficult to construct vertically and precisely in succession, construction is performed after drilling an excavation hole with a screw in the area where the sheet pile is to be installed.

Considering this, a sheet pile guide device is published in Korean Patent No. 10-2089857. The posted guide device guides the sheet pile when lowering it into the ground, including a central part, an extension that extends obliquely at both ends of the central part, and a fastening part formed at the end of this extension and coupled to an adjacent sheet pile. For this purpose, it includes a steel pipe body with a circular cross-section, a central portion and an extension portion that are welded to the outer peripheral surface of the steel pipe body and the outer circumferential surface is aligned with the inner surface of the sheet pile, and a connection portion connected from the expanded portion to the steel pipe body. It includes a contour-shaped portion and a protrusion formed at the lower end of the contour-shaped portion and on which the lower end of the sheet pile is hung and mounted, and the upper surface of the protrusion has a configuration that gradually expands from the top to the bottom.

However, this guide device has a problem in that it requires a separate installation of a sheet pile insertion hole, which requires a lot of man-hours for the construction of the sheet pile.

Republic of Korea Patent Registration No. 10-1694844 discloses a sheet pile construction method using a guide casing, and Republic of Korea Patent Publication No. 10-2021-0007374 discloses a guide device for sheet piles. The posted guide device for sheet piles has the problem of poor constructability because the sheet piles are constructed like a steel pipe with a circular cross section inscribed in the sheet piles.

In particular, the conventional sheet pang-ri construction method as described above requires an operator to operate equipment for pile construction and an auxiliary worker to fasten the sheet piles, so there is a problem that a lot of man-hours are required during the pile construction work.

Republic of Korea Patent No. 10-2089857 Republic of Korea Patent Registration No. 10-1694844 Republic of Korea Patent Publication No. 10-2021-0007374

The present invention is intended to solve the problems described above. When constructing sheet piles, the operator who operates the sheet pile equipment can construct the sheet piles by interconnecting them without an auxiliary worker, thereby reducing the number of working hours and reducing the number of work hours of the sheet piles. The aim is to provide a fastening guide unit for sheet pile construction that can significantly improve work efficiency and a sheet pile construction method using the same.

The fastening guide unit for sheet pile construction of the present invention for achieving the above object includes a guide body, and a fixing member arranged in the guide body according to the shape of the cross section of the sheet pile and having an insertion groove inserted into the end of the sheet pile. Includes,

It is provided on both sides of the guide body and is characterized by an induction fastening guide part that guides the fastening part of the installed sheet pile and the fastening part of the constructed sheet pile.

In the present invention, the guide main body has the same shape as the cross-sectional shape of the sheet pile.

The guided fastening guide part has a guiding part that guides the first fastening part on which construction has been performed and the second fastening part of the second sheet pile to be constructed so that they can be positioned on the same axis for coupling, and the outer surface of the end side of this guiding part The side is provided with a positioning member to receive a standard so that the upper surface of the first sheet pile and the lower surface of the second sheet pile coincide.

The guide body on which the fixing members are mounted may be symmetrically installed on the holding member.

The sheet pile construction method using the fastening guide unit for sheet pile construction of the present invention to achieve the purpose of the present invention includes a guide body, which is arranged and installed in the guide body according to the shape of the cross section of the sheet pile and inserted into the end of the sheet pile. It includes fixing members in which insertion grooves are formed,

A preparatory step of preparing an inductive fastening guide part fastening guide unit, which is provided on both sides of the guide main body and guides the fastening part of the installed sheet pile to be fastened to the fastening part of the constructed sheet pile;

A fastening guide unit that allows the fastening guide part and the first fastening part of the first sheet pile to be positioned on the same axis by inserting the insertion groove of the prepared fastening member of the fastening guide unit into the end of the first sheet pile constructed on the ground. Installation step,

A support step of holding the end of the second sheet pile to be constructed using pile construction equipment so that the second fastening part of the second sheet pile is guided to the inductive fastening guide and coupled to the first fastening part of the first sheet pile; ,

A driving step of driving while the second fastening part of the second sheet pile is fastened to the first fastening part by the inductive fastening guide part;

It includes a fastening guide unit transfer step of separating the fastening guide unit from the first sheet pile using pile construction equipment after the driving is performed by the driving step and fastening it to the end of the second sheet pile.

The fastening guide unit for sheet pile construction according to the present invention and the sheet pile construction method using the same allow the driver operating the sheet pile construction equipment to perform pile construction work without the help of workers, reducing the number of workers and increasing construction efficiency. It can be improved and the operating efficiency of the equipment can also be increased.

Figure 1 is a perspective view showing an excerpt of a fastening guide unit for sheet pile construction according to the present invention;
Figure 2 is a perspective view showing the state of the fastening guide unit;
Figure 3 is a plan view of the fastening guide unit for sheet pile construction according to the present invention.
Figure 4 is a plan view showing another embodiment of the fastening guide unit according to the present invention.
Figure 5 is a perspective view showing the use state of the fastening guide unit for sheet pile construction according to the present invention.

The present invention relates to a fastening guide unit for sheet pile construction and a construction method using the same. Examples of the fastening guide unit for sheet pile construction are shown in Figures 1 to 5.

Referring to the drawings, the fastening guide unit 10 for sheet pile construction according to the present invention includes a first sheet pile 100 on which construction is performed and first fastening parts 101 formed on both sides, and the first sheet pile 100. The combination of the first fastening part 101 and the second fastening part 111 on one side of the second sheet pile 110, that is, the first fastening part 101 formed on one side of the first sheet pile 100 on which construction was performed, and When fastening the second fastening portion 111 on one side of the second sheet pile 110, the work can be done simply by operating the equipment for constructing the sheet pile without the help of an operator.

The first fastening portion 101 is formed by bending both ends of the first sheet pile 100 in the outward direction to form a first fastening groove 102 spaced apart from the outer peripheral surface of the first sheet pile 100, and the second The fastening portion 111 is formed by bending both ends of the second sheet pile 110 in the outward direction to form a second fastening groove 112 spaced apart from the outer peripheral surface of the second sheet pile 110. Therefore, when the first and second fastening parts 101 and 111 are joined, a continuous sheet pile wall is formed.

This fastening guide unit 10 for sheet pile construction is provided with a guide body 20 in which fixing members 21 are coupled and supported to the end of the first sheet pile 100 on which construction has been completed and are installed at predetermined intervals at the bottom. . .

And, provided on both sides of the guide body 20, a first fastening portion 110 of the first sheet pile 100 to be constructed and a second fastening portion 112 of the second sheet pile 110 to be constructed. It is provided with inductive fastening guide parts, that is, first and second inductive fastening guide parts (30) and (40) that guide the fastener so that it can be fastened without the operator's guide.

The fastening guide unit configured as above ( 10) is described in more detail for each component, the guide main body 20 has a cross-sectional shape substantially identical to that of the first and second sheet piles 100 and 110 to be constructed, and the guide main body 20 The thickness has the same thickness as the thickness of the first and second sheet piles 100 and 110.

Insertion grooves 22 are formed in the fixing members 21 installed on the lower side of the guide body 20, and the insertion grooves 22 are smoothly inserted into the ends of the first sheet piles 100 and 110. It has a width that can be inserted. In particular, the arrangement of the fixing members 21 installed on the lower side of the guide body 20 is arranged according to the shape of the first sheet pile 100, so that the first and second guided fastening guide parts 30 and 40 are Each corresponds to the first fastening portion 101 installed on both sides of the first sheet pile 100. In addition, the guide body 20 is further provided with a gripping part 25 that can be gripped using equipment equipped with jaws for constructing sheet piles.

It is preferable that both sides of the grip portion 25 are fastened to ends on both sides of the guide body 20 in the width direction to prevent the guide body 20 from being deformed by external force.

The guide body 20 on which the fixing member 21 is installed may be symmetrical about the grip portion 25 as shown in FIGS. 1 to 3. When installed symmetrically, the guide body 20 may have a hexagonal cross-section in the horizontal direction.

However, it is not limited to this, and as shown in FIG. 4, it may be formed as a single structure in which the guide body 20 and fixing members 21 are installed at its lower portion.

On the other hand, the first induction fastening guide part 30 is connected on the coaxial line for coupling the first fastening part 101 on which construction has been performed and the second fastening part 111 of the second sheet pile 110 to be constructed. It is provided with a first guide part 31 that guides it so that it can be positioned, and the upper surface of the first sheet pile 100 and the lower surface of the second sheet pile 110 are located on the outer surface of the end of the first guide part 31. A first position alignment member 35 is installed to receive the standard so that this can be matched.

The second inductive fastening guide portion 40 formed on the other side of the guide body 20 has substantially the same structure as that of the first inductive fastening guide portion 30. That is, the second guiding fastening guide part 40 is provided with a second guiding part 41 formed on the other side of the guide main body 20, and the upper surface of the first sheet pile 100 and the second sheet pile ( A second position alignment member 45 is installed to receive a standard so that the lower surfaces of 110) are aligned. The first and second position alignment members 35 and 45 may be formed as a single member coupled to the guide body 20.

Meanwhile, between the symmetrical guide bodies 20, an auxiliary positioning member 36 is further provided, as shown in FIG. 2, extending downward to support the rear surface of the first sheet pile 100 on which construction was performed.

The operation of the fastening guide unit for sheet pile construction according to the present invention configured as described above and the construction method of the sheet pile through it will be described in more detail as follows.

In order to construct a sheet pile, that is, to construct the first and second sheet piles 100 and 110 alternately, the first sheet pile 100 is first constructed using equipment at the location for construction. Then, the first sheet pile (100) was constructed by gripping the prepared fastening guide unit (10) with the gripping part (25) using a vibrator and pile construction equipment such as a vibrating ripper or pile driver. Perform the fastening guide unit mounting step to fasten to the upper part of the.

At this time, the coupling between the upper end of the first sheet pile 100 and the fastening guide unit 10 is achieved through the insertion groove 22 of each fixing member 20 installed at a predetermined interval on the lower side of the guide main body 20. This is done by inserting it into the upper end of the first sheet pile (100).

In this process, the horizontal cross-sectional shape of the guide main body 20 has the same shape as the horizontal cross-sectional shape of the first sheet pile 100, so the lower surface of the guide main body 20 is the first sheet. It comes into contact with the top surface of the pile 100.

Therefore, the first fastening parts 101 provided on both sides of the first sheet pile 100 on which the first and second fastening guide parts 30 and 40 formed on both sides of the fastening guide unit 20 are installed, and The alignment is maintained in the vertical direction, that is, in the longitudinal direction of the first sheet pile 100. At this time, the first and second position static members (35) (45) are in close contact with the rear surfaces of the first fastening portions (101) on both sides of the first sheet pile (100), thereby forming a guide body ( The positions of 20) are aligned. Additionally, the auxiliary positioning member is in contact with the back of the first sheet pile to align the stacks.

When the installation of the fastening guide unit 10 is completed as described above, the end of the second sheet pile 110 to be constructed is grasped using pile construction equipment and the second fastening portion 111 of the second sheet pile 110 is held. ) is supported so that the lower end can be guided to the first fastening guide part 30, and then a support step is performed to lower it.

In the support step, the lower end of the second fastening part 112 of the second sheet pile 110 for construction is connected to the first guiding support part 31 of the first fastening guiding guide part 30 using pile construction equipment. When supported, the lower end of the second fastening part 111 of the second sheet pile 110 is lowered while the upper end of the first fastening part 101 of the first sheet pile is aligned in a vertical state, thereby causing the first The fastening part 101 and the second fastening part are coupled.

As shown in FIG. 5, this coupling is achieved by connecting the second fastening part of the second sheet pile 110 to the first fastening groove 36 formed on the end side of the first fastening part 101 of the first sheet pile 100. (111) is inserted, and the first fastening part 101 of the first sheet pile is coupled to the second fastening groove 46 of the second fastening part 111.

In this state, the second sheet pile 110 is lowered using the pile construction equipment, and a driving step is performed by generating vibration for construction.

This driving operation is performed by vibrating the pile construction equipment, that is, the ripper or the pile driver installed on the boom of the excavator, in the vertical direction, that is, in the direction parallel to the first sheet pile.

After the second sheet pile 110 has been driven as described above, the grip part 25 of the fastening guide unit 20 is grasped using pile construction equipment, separated from the first sheet pile 100, and rotated. The fastening guide unit transfer step is performed by attaching to the upper end of the constructed second sheet pile 110 in the same manner as described above.

Then, the sheet pile for fastening to the second sheet pile is constructed using the same method as described above.

In this way, the combination guide unit for sheet pile construction according to the present invention and the unmanned construction method of sheet piles using the same are used without the help of a separate worker to combine the fastening parts to fasten the constructed sheet piles and the sheet piles. Since the operator operating the construction equipment can perform all construction work, the number of workers required for pile construction can be reduced and work efficiency can be improved.

The present invention has been described with reference to the embodiments shown in the drawings, but these are merely exemplary, and those skilled in the art will understand that various modifications and other equivalent embodiments are possible therefrom. Therefore, the true technical protection scope of the present invention should be determined by the technical spirit of the attached registered claims.

Claims (5)

It includes a guide body and fixing members arranged in the guide body according to the shape of the cross section of the sheet pile and forming an insertion groove inserted into the end of the sheet pile,
A fastening guide unit for sheet pile construction, which is provided on both sides of the guide main body and includes an inductive fastening guide part that guides the fastening part of the constructed sheet pile and the fastening part of the constructed sheet pile. The fastening guide unit for sheet pile construction according to claim 1, wherein the guide body has the same shape as the cross-sectional shape of the sheet pile. According to clause 1,
The guided fastening guide part has a guiding part that guides the first fastening part on which construction has been performed and the second fastening part of the second sheet pile to be constructed so that they can be positioned on the same axis for coupling, and the outer surface of the end side of this guiding part A fastening guide unit for sheet pile construction, characterized in that the side is provided with a position alignment member to receive a standard so that the upper surface of the first sheet pile and the lower surface of the second sheet pile are aligned. According to clause 1,
A fastening guide unit for sheet pile construction, characterized in that the guide body on which the fixing members are mounted is symmetrically installed on the holding member. It includes a guide body and fixing members arranged in the guide body according to the shape of the cross section of the sheet pile and forming an insertion groove inserted into the end of the sheet pile,
A preparatory step of preparing an inductive fastening guide part fastening guide unit, which is provided on both sides of the guide main body and guides the fastening part of the installed sheet pile to be fastened to the fastening part of the constructed sheet pile;
A fastening guide unit that allows the fastening guide part and the first fastening part of the first sheet pile to be positioned on the same axis by inserting the insertion groove of the prepared fastening member of the fastening guide unit into the end of the first sheet pile constructed on the ground. Installation step,
A support step of holding the end of the second sheet pile to be constructed using pile construction equipment so that the second fastening part of the second sheet pile is guided to the inductive fastening guide and coupled to the first fastening part of the first sheet pile; ,
A driving step of driving while the second fastening part of the second sheet pile is fastened to the first fastening part by the inductive fastening guide part;
Sheet pile construction, characterized in that it includes a fastening guide unit transfer step of separating the fastening guide unit from the first sheet pile and fastening it to the end of the second sheet pile using pile construction equipment after the driving is achieved by the driving step. Sheet pile construction method using a fastening guide unit.

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