KR200408034Y1 - Vertical drainage apparatus for improvement of the sea ground and dredged soil area - Google Patents

Abstract

It is used for the construction of vertical drainage for the improvement of the soft ground during the reclamation work of the harbor. In particular, it supplies the seawater to the landfill site and moves to a floating state on the fresh sea surface to collect various moisture contained in the soft ground layer. Disclosed is a vertical drainage factory that can easily construct a vertical drainage material such as paper board drain (PBD) for forced drainage.

Such vertical drainage factory factory, the seawater is supplied to the landfill for improving the ground and desalted to a certain height, the floating portion that can move in a floating state on the sea surface fresh water in the landfill, and the one end is located Drainage inserting portion consisting of insertion rods connected to the vertical drainage and variable in the longitudinal direction, and a support frame for supporting each of the inserting rods in a posture capable of constructing the vertical drainage in the floating portion and the respective inserts It includes a drive winch for transmitting power to the wire to enable a variable operation of the dragon rods.

Port reclamation work, soft ground improvement work, water drainage of vertical drainage, floating part, seawater, drainage insert part, insertion rod, drive winch, work efficiency improvement, shortening construction period, prevention of various safety accidents

Description

Vertical drainage apparatus for improvement of the sea ground and dredged soil area}

1 is a view for explaining the overall process of the construction method using a vertical drainage factory factory in accordance with the present invention.

FIG. 2 is a diagram for explaining a step of forming the embankment layer of FIG. 1.

3 is a view for explaining a step of supplying the seawater of FIG.

4 is a view for explaining a step of constructing the vertical drainage material of FIG.

5 is a view for explaining the vertical drainage construction process of FIG.

6 is a view for explaining the overall structure of the vertical drainage construction apparatus according to the present invention.

FIG. 7 is a view for explaining the structure of the floating part of FIG. 6.

8 is a view for explaining the structure of the drain insert portion of FIG.

9 is a view for explaining the structure of the drain insert and the support frame of FIG.

10 is a view for explaining the operation of the drain insert portion of FIG.

11 is a view for explaining an installation state of the drainage insert of FIG.

The present invention relates to a vertical drainage construction device, and more particularly, it is used for the construction of vertical drainage for the improvement of the soft ground during the reclamation work of the harbor, and in particular, the sea surface supplied by the seawater to the landfill target The present invention relates to a vertical drainage construction device capable of easily constructing a vertical drainage material such as paper board drain (PBD) for forcibly draining various moisture contained in the soft ground layer while moving in a suspended state.

Generally, the reclamation work on the harbor is installed on the outer periphery of the reclaimed land and left for a certain period of time with the dredged soil dumped inside the shore, and the water contained in the dredged soil layer and the ground layer is forcibly drained. Proceed through ground improvement work to secure ground strength that can be created.

For the ground improvement work, a method of forcibly draining the water contained in the soft ground layer by using a vertical drainage material such as paper board drain (PBD) is widely used, and this method inserts the vertical drainage material into the soft ground of the landfill object. And a step of draining various moisture contained in the ground layer to the outside by the inserted vertical drainage material.

The construction work of vertical drainage in the process, dumping the dredged soil in the landfill site, draining the seawater separated from the dredged soil, and left for a certain period of time in the drained state, and then the manpower and ordinary drainage construction device for drainage construction It is proceeding directly to the soft ground. Such drainage construction work is one of the important processes that affect the quality of the ground improvement because the difference in the drainage efficiency of the moisture occurs depending on the construction state of the vertical drainage.

In addition, a large crane moving by a caterpillar is mainly used for the drainage material factory, and this crane is located in a direction perpendicular to the soft ground and has a length corresponding to the drainage construction depth, and the rod is a drainage material. Support frames are provided for supporting the movable parts in a movable posture.

However, the above-described conventional vertical drainage construction method proceeds in a manner of directly constructing the vertical drainage by entering manpower and various heavy equipment on the soft ground of the landfill, for example, in the case of the ground improvement construction of the harbor landfill In order to enter heavy equipment for the construction, not only at least 3 years of waiting time is required, but also the sand laying layer having an excessive thickness is formed on the dredged soil to withstand the weight of various heavy equipment. It is difficult to reduce the overall construction period and construction cost for improvement.

Further, the factory is installed in the upright position and the insertion rod and the support frame having a length corresponding to the construction depth of the vertical drainage, in this state directly into the soft ground to construct the drainage, for example, Even when the posture of the insertion rod and the support frame is slightly displaced in an appropriate range, not only the whole construction apparatus is easily conducted, but also ground subsidence is frequently caused by the weight of the apparatus, so that it is difficult to smoothly proceed with the drainage construction work.

Therefore, in such a manner that construction of vertical drainage material with manpower or various construction equipment directly entering the landfill can not expect satisfactory work efficiency, and may be a factor causing large safety accidents.

The present invention is devised to solve the conventional problems as described above, the object of the present invention is to facilitate the construction of vertical drainage for the improvement of soft ground during the reclamation construction, in particular by supplying seawater to the landfill destination The present invention provides a factory for vertical drainage, which can be easily installed on a vertical drainage system such as PBD while moving in a floating state on the sea surface.

In order to realize the object of the present invention as described above,

Seawater supplied to landfills for soil improvement and freshwater at a constant height;

A floating part movable in a floating state on the sea level fresh water in the landfill;

A drain material insertion part disposed on the floating part and having one end connected to a vertical drainage material and including insertion rods which are variable in a longitudinal direction;

A support frame for movably supporting each of the inserting rods in a posture capable of constructing a vertical drainage in the floating portion;

It provides a vertical drainage factory factory including a drive winch for transmitting power to the wire to enable a variable operation of each of the insertion rods.

Hereinafter, preferred embodiments of the present invention will be described with reference to the accompanying drawings. Embodiments of the present invention are described to the extent that those of ordinary skill in the art can implement the present invention.

Therefore, since the embodiments of the present invention can be modified in many different forms, the utility model registration claims of the present invention are not limited to the embodiments described below.

1 is a view for explaining the overall work process of the construction method using the vertical drainage factory factory according to the present invention, the reference numeral S1 refers to the process of forming the embankment layer.

The operation is to secure a fresh water space on the landfill (E1) as shown in Figure 2, by using the outer revetment (L1) positioned between the landfill (E1) using sand or soil in the drawing and Likewise, the embankment layer L2 is formed at a constant height.

The embankment layer L2 is formed to be approximately 1 meter higher than the freshwater surface in view of the freshwater capacity contained in the landfill E1.

As shown in FIG. 2, the landfill E1 has a dredged soil layer E2 and a horizontal drainage layer E3 having a predetermined thickness. The dredged soil layer E2 is formed by dumping dredged soil collected by a well-known dredging operation, and the horizontal drainage layer E3 is formed in a state of covering the dredged soil layer E2 using a general PET mat and sand. .

 The embankment layer (L2) serves as a dike for the fresh water in the landfill (E1) and serves to provide a work area during the drainage construction work for the ground improvement of the landfill (E1).

When the construction of the embankment layer (L2) is completed, the step (S2) of supplying seawater to the landfill (E1) is carried out.

Although the seawater W used for this work is not shown in figure, it can be supplied using a normal pump dredger, and if a dredger is used in this way, a large-area landfill site can be dehydrated within a short time.

The seawater (W) desalted in the landfill (E1) serves to provide a kind of working area that allows the construction in a floating state on the freshwater sea surface during the normal drainage construction for the ground improvement.

When the fresh water is completed at a predetermined height in the landfill E1, the process (S3) of constructing a drain on the landfill E1 while moving to a floating state on the fresh water surface.

In this operation, as shown in Figure 4 uses a device capable of constructing the vertical drainage (P) in a floating state on the surface of the seawater (W) fresh water in the landfill (E1).

The factory factory, the floating part (2) which is movable in a floating state on the fresh water surface, and the drain part inserting portion for being installed in the floating part (2) to insert the vertical drainage (P) by a multi-stage movement operation ( 4), a support frame 6 for movably supporting the drainage inserting portion 4 in a position capable of constructing the vertical drainage P in the floating portion 2, and the drainage inserting portions 4 It comprises a drive winch 8 for generating and transmitting power to enable multi-stage movement.

The floating portion 2 may use a conventional barge (艀 船), such as a general bar line that is movable in a floating state on the fresh water surface.

The floating portion 2 may be moved by its own power in the state of floating on the fresh water surface or by a separate transfer device 10 as shown in FIG.

The conveying apparatus 10 is provided on a bogie 12 located on the embankment layer L2 formed with the landfill E1 interposed therebetween, and is provided on these two bogies 12 to transfer the wire 14 therebetween. It comprises a transfer winch 16 to be connected to.

The trolley 12 is provided with a worktable 18 having a predetermined size on the upper side, respectively disposed on the embankment layer (L2) facing each other with the landfill (E1) therebetween, the connection section of the embankment layer (L2) It is installed to be movable along.

Although not shown in the drawing, the trolley 12 may have a well-known structure in which a power device such as an engine is provided therein so that the power of the device moves while being transferred to a caterpillar such as a wheel or a caterpillar.

A transfer winch 16 is installed on the work platform 18 of each of the trolleys 12, and the transfer wire 14 is illustrated in the two transfer winches 16 in a direction crossing the landfill E1. Is connected as in

The transfer winch 16 is set such that the transfer wire 14 is wound or unwound towards any one of the embankment layers L2 by a normal winding drive. Although not shown in the drawings, the operation of the transfer winch 16 may be set to be controlled using a controller, and such a control structure may be easily performed by those skilled in the art. Description is omitted.

The floating part 2 is fixed to one side of the transfer wire 14 to the fresh water surface with the landfill E1 interposed by the transfer wire 14 when the transfer winch 16 is driven. It is moved along the connection section of the wire 14 in a floating state.

The floating part 2 may further include an underwater balance weight 20 as shown in FIG. 6. The balance weight 20 may use a metal plate or a concrete structure having a predetermined area, and may have a posture as shown in the drawing in the floating part 2 and may be connected by a wire or by a hydraulic cylinder so that the position can be changed. .

The underwater balance weight 20 may be installed at one or more points in the floating portion 2 as shown in FIG. 7 and is contained in the fresh water W as shown in FIG. 6 or the horizontal drainage layer E3. It may be located in a spanned state.

The underwater balance weight 20 is in contact with the sea water (W) the upper and lower surfaces of the weight 20 when the posture of the floating part 2 is changed by various external forces acting during construction of the vertical drainage (P). While generating a resistance force that can suppress the tilt phenomenon serves to prevent the attitude of the floating portion (2) is changed.

Referring to FIG. 6, the floating part 2 is provided with a drain insert 4 for constructing a vertical drainage P. The inserting portion 4 is composed of a plurality of inserting rods R1 and R2 so that the total length of the vertical drainage material P can be changed by a variable multi-stage moving operation. ) Is movably fixed by the support frame 6 as in the figure.

The plurality of insertion rods (R) as shown in Figure 8 using a rectangular metal pipe having a hollow portion of different sizes therein to enable a multi-stage movement, two is composed of a set of two any one rod for insertion A part of the other inserting rod R2 is set to be movable in the fitted state as shown in the figure in the hollow portion of R1.

Each insertion rod (R1, R2) is extended by the two-stage multi-stage movement in consideration of the height of fresh water (W) in accordance with the construction depth of the vertical drainage (P) required for the landfill (E1). While being constructed in the vertical drainage (P) possible length range, respectively.

Such a structure is perpendicular to the sea surface in the floating part 2 because the two insertion rods R1 and R2 are positioned in a state where the multi-stage movement can be inserted as shown in FIG. 8 when the vertical drainage P is constructed. When installed in a posture protruding in the direction to occupy at least the vertical space can prevent various fall accidents caused by the posture of the insertion rod (R1, R2) is inclined.

The support frame 6 is to support the movable rod corresponding to the multi-stage moving direction of the rods (R1, R2), and guides therein as shown in FIG. 9 along the construction direction of the vertical drainage (P). A plurality of metal pipes are welded or fastened with fastening members to form a space 24.

The support frame 6 is formed in a length range that can accommodate the full length of the insertion rod (R1, R2) in the state fitted to each other. In addition, a plurality of guide rollers 26 are installed in the guide space 24 so as to guide the movement of each of the insertion rods R1 and R2 as shown in FIG. 9, and the opposite sides of the rollers 26 are provided. A guide rail 28 for guiding the movement of the rods R1 and R2 is installed.

The support frame 6 is to be fixed by a separate support 30 as shown in the figure so as to prevent the fall by various external forces when fixed in the vertical direction in the floating portion (2) as shown in FIG. Can be.

The floating part 2 is provided with a driving winch 8 for generating and transmitting power for the multi-stage movement of the rods R1 and R2 by the winding operation of the driving wire 34.

The driving wire 34 enables the multi-stage movement for the construction of the vertical drainage P toward the sea surface by the insertion rods R1 and R2 in the guide space 24 of the support frame 6. It is set to transmit power separately. In this way, the structure is possible by forming a moving section of the driving wire 34 in the guide space 24 of the support frame 6 so as to correspond to the moving direction of the respective inserting rods R1 and R2. Do.

The insertion rods R1 and R2 are wire holders as shown in FIG. 9 so as to receive power from the driving wire 34 in a state located in the guide space 24 of the support frame 6. It is fixed to one side of the driving wire 34 by (H1, H2).

The two wire holders H1 and H2 have two insertion rods R1 and R2 extended in length by a multi-stage movement by the driving wire 34 and a smooth insertion operation in an extended state may be performed. The connection points of the rods R1 and R2 and the driving wire 34 are integrally or detachably connected to each other.

For example, as shown in FIG. 8, any one of the two holders H1 of the two wire holders H1 and H2 may be detachably disposed on the lower side of the rod for insertion R1, which is capable of extending the insertion length. Attached, the other holder (H2) may be integrally fixed to the other insertion rod (R2) side to move to insert operation in the extended state. The lower insertion rod R1 is separated from the wire holder H1 after an extension operation of the insertion length.

As shown in FIG. 9, the rods R1 and R2 are inserted by the driving wire 34 when the driving winch 8 is driven in the same state as in FIG. 8. The entire length is extended while moving in multiple stages by car, and in this expanded state, the other rod R2 moves vertically toward the bottom surface of the landfill E1 as the other rod R2 moves by the driving wire 34 as shown in FIG. 10. Multi-stage insertion operation for the construction of the drain (P) is in progress.

When the two insertion rods R1 and R2 are inserted into the extended state as described above, their connection point is moved in a fixed state by the fixing clamp 36 as shown in FIG. The fixing clamp 36 is detachably fixed to each of the insertion rods R1 and R2 while being detached by fitting the projection and the hole.

In addition, the vertical drainage material (P) constructed by the drainage material inserting portion (4) is a conventional PBD is used and as shown in Figure 6 one side end is inserted in the roll form in the floating portion (2) It is fixed to one end of the rod R1 through the hollow portion of the dragon rods R1 and R2. This rod R1 is positioned below the two rods R1 and R2 in an extended state.

The vertical drainage material P fixed as described above is moved along the respective insert rods R1 and R2 when the two insert rods R1 and R2 are inserted two times by a multi-stage movement. As is through the horizontal drainage layer (E3) and dredged soil layer (E2) of the landfill (E1) is inserted into the base layer to a certain depth.

Then, after the insertion operation as described above, by using the drive winch (8) to move the respective insertion rods (R1, R2) to the position before insertion while going through the reverse process, the inserted vertical drainage ( P) is fixed to the base layer of the landfill (E1), so that each of the insertion rods (R1, R2) are separated so that the vertical drainage (P) can be easily constructed throughout the landfill (E1) in this way.

The drain insert 4 may be installed at a plurality of points in the floating part 2 as shown in FIG. 11. Of course, even at this time, the support frame 6 and the driving winch 8 are installed at the plurality of points where the drainage inserting portion 4 is positioned, respectively, and simultaneously construct the plurality of vertical drainages P while operating in the same manner as described above. can do.

In the water-based construction method using the construction device as described above, the vertical drainage (P) can be easily constructed while moving in a floating state on the surface of the seawater (W) fresh water in the landfill (E1), in particular this method After draining the remaining seawater separated from the dredged soil layer (E2) dumped in (E1) it can significantly shorten the working time compared to the conventional drainage construction method that proceeds for a certain period of standing.

In addition, the factory setting, since the plurality of drainage insert portion 4 is made of a structure in which the insertion length can be extended by a variable multi-stage moving operation, the insertion rods R1 and R2 in the floating portion 2. And greatly shorten the overall length of the support frame (6) when constructing the vertical drainage (P) can work in a more stable posture.

Then, the seawater (W) desalted in the landfill (E1) is a vertical drainage (P) by the water-based construction method as described above, and then drained to the outside after the forced drainage operation to proceed to the post-process.

In particular, the seawater (W) desalted in the landfill (E1) during the post-process is applied to the ground of the landfill (E1) during the forced drainage operation to promote the forced drainage of water through the vertical drainage (P) It acts as a kind of reloading fluid, which improves the drainage efficiency and greatly reduces the time required for the work.

In the above-described embodiment, the drainage inserting portion 4 moves to the floating state by the floating portion 2 in the seawater fresh water in the landfill (E1) while constructing a vertical drainage (P) as an example description and drawings Although it is shown to but is not limited to this.

For example, the vertical drainage material P may be constructed in a conventional manner in which a dredged soil layer is installed in a landfill and then directly enters the dredged soil layer. To this end, although not shown in the drawings, the vertical drainage may be constructed as in the above-described embodiment while having a moving device such as a large truck capable of moving on the ground and installed on the device.

As such, when the vertical drainage is constructed while directly entering the dredged soil layer of the landfill, the drainage insertion part occupies the minimum vertical space in the mobile device, so it is installed so that it is possible to prevent various fall accidents in the soft ground. Work can be done in the construction posture.

As described above, the present invention, when the construction of the vertical drainage for the improvement of the soft ground can supply the seawater in the external revet located between the landfills to easily install the vertical drainage while floating on the fresh sea surface. have.

Claims (8)

Seawater supplied to landfills for soil improvement and freshwater at a constant height; A floating part movable in a floating state on the sea level fresh water in the landfill; A drain material insertion part disposed on the floating part and having one end connected to a vertical drainage material and including insertion rods which are variable in a longitudinal direction; A support frame for movably supporting each of the inserting rods in a posture capable of constructing a vertical drainage in the floating portion; Vertical drainage construction device comprising a drive winch for transmitting power to the wire to enable a variable operation of each of the insertion rods. The vertical drainage construction apparatus according to claim 1, wherein the floating portion is provided with a barge which is movable in a floating state on the fresh water surface. The method of claim 1, wherein the factory value further comprises a transfer unit for moving the floating portion in the floating state at the sea level of the landfill, And said transfer part comprises a bogie positioned between said landfills and a winch connecting said two bogies with a transfer wire. The vertical drainage construction apparatus according to claim 3, wherein the transfer unit moves at least one floating unit in a connection section of the transfer wire. The vertical drainage construction device according to claim 1, wherein the vertical drainage factory factory further comprises a wire holder for connecting the respective inserting rods and the wires integrally or detachably. The method of claim 1, wherein the vertical drainage factory factory further comprises a fixing clamp for fixing their connection point in the extended state of each of the insertion rod, The clamp is a vertical drainage construction device for separably fixing the respective rods for insertion by fitting the projection and the hole. The vertical drainage construction device according to claim 1, wherein the drainage inserting portion is installed at at least one point in the floating portion. The method according to claim 1, wherein the vertical drainage factory value further comprises an underwater balance weight for supporting the floating posture of the floating portion in the fresh sea surface, The underwater balance weight is a vertical drainage construction device made of any one of a metal plate or concrete structure having a predetermined size of area.

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