KR102252153B1 - Underwater Geotextile Tube Construction Apparatus and Method - Google Patents

Abstract

The present invention relates to an underwater geotextile tube constructing apparatus and a method thereof, capable of safely, quickly and easily constructing a geotextile tube. The underwater geotextile tube constructing apparatus of the present invention comprises: an erosion preventing mat (10) installed on the seabed; a geotextile tube (20) installed on an upper surface of the erosion preventing mat (10); a tube immersion frame (30) for submerging the geotextile tube (20) in water; a filling pump (40) for filling the geotextile tube (20) with a filler; and a marine crane (50).

Description

Underwater Geotextile Tube Construction Apparatus and Method}

The present invention relates to an underwater geotextile tube construction apparatus and method thereof, and more particularly, in an underwater geotextile tube construction apparatus, comprising a tube immersion frame for immersing the geotextile tube in water by binding the geotextile tube, In the underwater geotextile tube construction method, the base immersion frame fixing process of fixing the geotextile tube to the tube immersion frame so that the geotextile tube can be immersed by its own weight of the tube immersion frame, and the geotextile through the base immersion frame fixing process. The tube submerged frame with fixed tube is made into the base tube submersion process in which the tube is gradually submerged into the water at the installation site using an offshore crane, so that the geotextile tube, which generates buoyancy in the water, can be safely, quickly and easily constructed. It is for the purpose of doing.

In general, geotextile tubes are structures used to reinforce soft ground or protect underwater embankments, lakes, rivers and seas by filling dredged soil such as soil, sand, and gravel or other filling materials.

Geotextile tube as described above is to form a structure by masonry in multiple stages while filling the inside with a filling material in its construction.

On the other hand, in the construction of an underwater embankment using a geotextile tube, a diver is installing the geotextile tube, which receives buoyancy in the water, because its specific gravity is smaller than that of water, and then fills the filling material.

However, the construction of the underwater embankment using the geotextile tube as described above has a problem that the proportion of manual work by the diver is high, so it takes a lot of time to work and the risk of safety accidents is high.

Korean Patent Publication No. 10-2011-0085080

Accordingly, the present invention is to solve the problem that the construction of the underwater embankment using the geotextile tube as described above has a high proportion of manual work by a diver, so it takes a lot of time to work and a high risk of safety accidents.

That is, in the underwater geotextile tube construction apparatus, the erosion prevention mat is installed on the sea floor to prevent erosion of the sea floor, the geotextile tube installed on the upper surface of the erosion prevention mat, and the geotextile tube are bound. A tube immersion frame for submerging the geotextile tube in water, a filling pump for filling the geotextile tube with a filling material, and a marine crane for submerging and lowering the tube immersion frame.

That is, the present invention adjusts the length and width of the tube immersion frame according to the specifications of the geotextile tube, and adjusts the width of both sides to connect the width adjustment bar provided at both ends in the length direction so that the one side width adjustment bar and the other width adjustment bar can be assembled. Two or more length adjustment bars that are coupled to be adjusted in the length direction at both ends of the bar, a center adjustment bar that adjusts both length adjustment bars between the width adjustment bars according to the length of the width adjustment bar, the width adjustment bar and the length adjustment bar It is characterized by consisting of a crane fixing portion provided at one or more of the above and a tube binding portion provided at equal intervals on the length adjustment bar to bind the tube rope of the geotextile tube.

In the present invention, the tube binding portion includes a tube binding shaft axially supported on a length adjustment bar so that the rotational binding of the tube rope of the geotextile tube is released, and the tube binding portion includes a tube binding portion at equal intervals on the tube binding shaft, and the tube binding portion is one end. It is bound to the tube binding shaft, and the other end is formed in a hook shape open to hang the tube rope, and a binding release arm is provided at one end of the tube binding shaft.

The present invention is characterized in that the binding release arm is fitted into a key binding hole formed on either side of the length adjustment bar or the width adjustment bar, and is provided with an arm fixing key to limit the rotation of the binding release arm.

The present invention is characterized in that it is provided with a binding release cable that is provided on the offshore crane and is towed or released by the offshore crane operator to limit the rotation of the binding release arm.

The present invention is characterized in that it comprises a buoyancy tube inflated by air supplied by an air supply means so that the geotextile tube can be floated by buoyancy after the filling of the geotextile tube is completed in the tube immersion frame.

The present invention is characterized in that the air supply means is composed of a buoyancy air pump provided in the offshore crane and a buoyancy air hose connecting the buoyant air pump and the buoyancy tube.

The present invention provides an air supply means to an air tank in which air is compressed and filled at one side of the buoyancy tube, an air supply pipe for supplying the air tank to a buoyancy tube, and a buoyancy air supply valve provided in the air supply pipe and operated by a user's operation. It is characterized by the configuration.

The present invention is provided with a frame assembly barge wire capable of assembling a tube immersion frame and binding the tube immersion frame and the geotextile tube, and the tube immersion frame to which the geotextile tube is bound can be submerged in the center of the frame assembly barge line. It is characterized by forming a tube immersion hole.

In the underwater geotextile tube construction method, the erosion prevention mat installation process of installing an erosion prevention mat to prevent subsidence at the installation site of the geotextile tube and the erosion prevention mat installed through the erosion prevention mat installation process are once used. The base immersion frame fixing process of fixing the geotextile tube to the tube immersion frame so that the installed geotextile tube can be immersed by the weight of the tube immersion frame, and the tube immersion frame in which the geotextile tube is fixed through the base immersion frame fixing process. The base tube immersion process in which the submerged base tube is gradually submerged into the water at the installation site using an offshore crane, the base filling re-injection process in which the injection pipe is connected to the geotextile tube that has been submerged through the base tube immersion process and the filler is injected by a filling pump, When the base filling re-injection process is completed, the geotextile tube is separated and the tube immersion frame is lifted to remove the base frame injury removal process, and the base frame injury removal process is masonry on the upper surface of the geotextile tube previously installed on the tube immersion frame. The masonry immersion frame fixing process for fixing the geotextile tube to be used to the tube immersion frame, the masonry tube gradually submerging the tube immersion frame to which the geotextile tube is fixed through the masonry immersion frame fixing process at the installation site using a marine crane After the submersion process, the masonry tube submersion process, the masonry filling re-injection process in which the injection pipe is connected to the geotextile tube that has been submerged through the immersion process and the filling material is injected by a filling pump, and the masonry filling re-injection process is completed, the geotextile tube is separated and the tube It is characterized in that it consists of a masonry frame injuries removal process of floating and removing the flooded frame.

The present invention is characterized in that the base immersion frame fixing process, the masonry immersion frame fixing process, the base tube immersion process, and the masonry tube immersion process are performed in a frame assembly barge having a tube immersion hole in the center.

In the present invention, the base immersion frame fixing process and the masonry immersion frame fixing process include a tube unfolding process in which a geotextile tube is spread and installed in the tube immersion hole of the frame assembly barge, and a tube assembled on the upper side of the geotextile tube unfolded through the tube unfolding process. A frame for assembling a tube immersion frame by assembling a width adjustment bar and a length adjustment bar central adjustment bar on the upper side of the frame support bar installed through the support bar installation process, and a support bar installation process for installing a frame support bar to support the immersion frame assembly process. The assembly process, the crane connection process of connecting the tube rope of the geotextile tube to the tube submerged frame assembled through the frame assembly process and connecting the crane, the frame lifting process of lifting the connected tube submerged frame through the crane connection process, and It characterized in that it comprises a support bar removal process of removing the frame support bar while the tube immersion frame is lifted through the frame lifting process.

In the present invention, the base frame injury removal process and the masonry frame injury removal process include a ring disassembly process in which the tube ring of the geotextile tube is separated from the tube binding part, and the tube immersion frame in which the geotextile tube is separated to the water surface. It is characterized by consisting of a frame lifting process to lift.

The present invention includes a tube binding shaft axially supported on a length adjustment bar so that the ring disassembly process is released by an operator's manipulation of the offshore crane, and the tube binding shaft is provided with a tube binding portion at equal intervals, wherein the tube binding portion has one end. It is bound to the tube binding shaft and the other end is formed in an open hook shape to hang the tube rope, and a releasing arm is provided at one end of the tube binding shaft, and a releasing cable that is bound to the binding releasing arm is provided. It is characterized in that the tube ring of the geotextile tube is disassembled from the tube binding portion by pulling or loosening the release cable by the operation of the crane operator.

The present invention is characterized by comprising a buoyancy tube that is expanded by air supplied by the air supply means so that the frame lifting process is lifted by buoyancy.

The present invention is characterized in that the air supply means of the frame lifting process is composed of a buoyant air pump provided in the offshore cram and a buoyant air hose connecting the buoyant air pump and the buoyant tube.

The present invention provides an air tank in which air is compressed and filled to one side of a buoyancy tube for a frame lifting process, an air supply pipe for supplying the air tank to a buoyancy tube, and a buoyancy provided in the air supply pipe and operated by a user's operation. It is characterized by consisting of an air supply valve.

Accordingly, the present invention is provided with a tube immersion frame that binds the geotextile tube to submerge the geotextile tube in the water, and the tube immersion frame to which the geotextile tube is fixed is gradually submerged into the water at the installation site using an offshore crane. And by the construction of the geotextile tube through the masonry tube submersion process, the geotextile tube, which generates buoyancy in the water, can be safely, quickly and easily constructed.

1 is a perspective view according to an embodiment of the present invention
2 is an exploded perspective view of a tube immersion frame according to an embodiment of the present invention
3 is a cross-sectional view of a tube immersion frame according to an embodiment of the present invention
4 is an exemplary view of a tube binding shaft and a releasing arm according to an embodiment of the present invention
5 is an exemplary view of a buoyancy tube according to an embodiment of the present invention
6A and 6C are process diagrams according to an embodiment of the present invention
7 is a process chart according to another embodiment of the present invention
8 is a block diagram of a process according to an embodiment of the present invention
9 is a process block diagram according to another embodiment of the present invention
10 is a block diagram of a process according to a geotube separation according to an embodiment of the present invention

Hereinafter, it will be described in detail with reference to the accompanying drawings.

The present invention is intended to safely, quickly and easily construct a geotextile tube generating buoyancy in water, and the terms or words used in the specification and claims are not limited to a conventional or dictionary meaning and should not be interpreted. In addition, the inventor should be interpreted as a meaning and concept consistent with the technical idea of the present invention based on the principle that the concept of terms can be appropriately defined in order to describe his own invention in the best way.

Accordingly, the embodiments described in the present specification and the configurations shown in the drawings are only the most preferred embodiments of the present invention, and do not represent all the technical ideas of the present invention, so that they can be replaced at the time of application. It should be understood that there may be various equivalents and variations.

Hereinafter, a description will be given of the underwater geotextile tube 20 construction apparatus according to the present invention.

That is, in the underwater geotextile tube 20 construction apparatus, the present invention includes an erosion prevention mat 10 and a geotextile tube 20, a tube immersion frame 30, a charge pump 40, and a marine crane 50. It is composed.

Here, the erosion prevention mat 10 is installed on the sea floor to prevent erosion of the sea floor.

In addition, the geotextile tube 20 is provided to be installed on the upper surface of the erosion prevention mat 10.

In addition, the tube immersion frame 30 is provided to bind the geotextile tube 20 to immerse the geotextile tube 20 in water.

The tube immersion frame 30 is composed of a width adjustment bar 31 and a length adjustment bar 32, a crane fixing portion 34, and a tube binding portion (35a).

The width adjustment bar 31 is provided at both ends in the longitudinal direction so that the width can be adjusted according to the standard of the geotextile tube 20.

The length adjustment bar 32 connects the width adjustment bar 31 on one side and the width adjustment bar 31 on the other side, and both ends of the width adjustment bars 31 on both sides to adjust the length according to the standard of the geotextile tube 20 It is equipped with.

On the other hand, the width adjustment bar 31 and the length adjustment bar 32 are composed of two or more, one side of which is formed as a square or circular hollow bar that is fitted to the other side, and the fixing bolt is fastened to the large hollow bar, It can be implemented by configuring a small hollow bar to be tightened and configured to allow length adjustment.

The width adjustment bar 31 and the length adjustment bar 32 are composed of two or more, one side is formed into a square or circular hollow bar that is fitted to the other side and formed through the adjustment hole at equal intervals, and the adjustment hole It can be implemented by configuring the length adjustment by configuring the adjustment pin to be coupled or nut-fastened through the penetration.

The crane fixing part 34 is provided to be coupled to the traction cable 51 of the crane at one or more of the width adjustment bar 31 and the length adjustment bar 32.

The tube binding portion (35a) is provided at equal intervals on the length adjustment bar (32) is provided to bind the tube rope (21) of the geotextile tube (20).

On the other hand, the tube binding portion (35a) is provided with a tube binding shaft (35b) axially supported on the length adjustment bar (32) so that the binding release of the tube rope (21) of the geotextile tube (20) is rotationally released. A tube binding portion 35a is provided on the tube binding shaft 35b at equal intervals, and the tube binding portion 35a has one end bound to the tube binding shaft 35b and the other end can be hung on the tube rope 21. It is formed in the shape of a hook that is open so that it can be implemented by having a binding release arm (35c) at one end of the tube binding shaft (35b).

An arm fixing key (35d) in which the binding release arm (35c) is fitted into a key binding hole formed on either side of the length adjustment bar (32) or the width adjustment bar (31) to limit the rotation of the binding release arm (35c) It is possible to carry out by providing.

The binding release arm (35c) is provided on the offshore crane 50 and is towed or released by the operator of the offshore crane 50 to limit the rotation of the binding release arm (35c). It is possible to carry out by providing.

In addition, in the implementation of the present invention, the buoyancy tube 36 expanded by air supplied by the air supply means so that the geotextile tube 20 can be floated by buoyancy after completion of the filling of the geotextile tube 20 in the tube immersion frame 30 It is possible to carry out by providing.

The air supply means can be implemented by comprising a buoyant air pump 37a provided in the offshore cram and a buoyant air hose 37b connecting the buoyant air pump 37a and the buoyancy tube 36.

Other examples of the air supply means include an air tank 38a in which air is compressed and filled at one side of the buoyancy tube, an air supply pipe 38b for supplying the air tank 38a to the buoyancy tube 36, and the air supply pipe ( It can be implemented by configuring the buoyancy air supply valve (38c) provided in 38b) and operated by the user's manipulation.

The buoyant air supply valve 38c may be opened by a diving worker manually or automatically opened by a remote control wirelessly from the offshore crane 50 on the water.

In addition, the filling pump 40 is provided to fill the geotextile tube 20 with a filling material.

In addition, the offshore crane 50 is provided with a tube submerged frame 30 so as to submerge the geotextile tube 20.

The offshore crane 50 may be implemented by having a traction cable 51 and a releasing cable 35e for traction and restraining the tube immersion frame 30.

On the other hand, another embodiment of the present invention is to be carried out by assembling the tube immersion frame 30 and having a frame assembly barge line 60 capable of binding the tube immersion frame 30 and the geotextile tube 20. It can be.

In the center of the frame assembly barge line 60, a tube immersion hole 61 capable of submerging the tube immersion frame 30 to which the geotextile tube 20 is bound is formed.

Hereinafter, a method for constructing an underwater geotextile tube according to the present invention will be described.

That is, the present invention in the underwater geotextile tube 20 construction method, the erosion prevention mat installation process 100 and the base immersion frame fixing process 201, the base tube immersion process 301, the base filling re-injection process 401 , Base frame injury removal process 501, masonry immersion frame fixing process 202, masonry tube immersion process 302, masonry filling re-injection process 402, and masonry frame injury removal process 502.

Here, the erosion prevention mat installation process 100 consists of installing an erosion prevention mat 10 for preventing subsidence at an installation location of the geotextile tube 20.

In addition, the base immersion frame fixing process 201 includes the geotextile tube 20 installed as one end on the erosion prevention mat 10 installed through the erosion prevention mat installation process 100 by the weight of the tube immersion frame 30. It consists of a process of fixing the geotextile tube 20 to the tube immersion frame 30 so that it can be submerged.

In addition, in the base tube immersion process 301, the tube immersion frame 30 to which the geotextile tube 20 is fixed through the base immersion frame fixing process 201 is transferred from the installation site to the water using the offshore crane 50. It consists of a process of gradually submerging.

In addition, the base filling material injection process 401 is a process of connecting the injection pipe to the geotextile tube 20 that has been submerged through the base tube immersion process 301 and injecting the filling material by the filling pump 40. .

In addition, the base frame injury removal process 501 is performed by separating the geotextile tube 20 and floating and removing the tube immersion frame 30 when the base filling re-injection process 401 is completed.

In addition, the masonry immersion frame fixing process 202 includes the geotextile tube 20 installed as one end on the erosion prevention mat 10 installed through the erosion prevention mat installation process 100 by the weight of the tube immersion frame 30. It consists of a process of fixing the geotextile tube 20 to the tube immersion frame 30 so that it can be submerged.

In addition, in the masonry tube immersion process 302, the tube immersion frame 30 to which the geotextile tube 20 is fixed through the masonry immersion frame fixing process 202 is transferred from the installation site to the water using the offshore crane 50. It consists of a process of gradually submerging.

In addition, the masonry filling material injection process 402 consists of a process of connecting the injection pipe to the geotextile tube 20 that has been submerged through the masonry tube immersion process 302 and injecting the filling material by the filling pump 40. .

In addition, the masonry frame injury removal process 502 is a process of removing the geotextile tube 20 by removing the geotextile tube 20 and floating the tube immersion frame 30 when the masonry filling re-injection process 402 is completed.

On the other hand, in another embodiment of the present invention, the base immersion frame fixing process 201 and the masonry immersion frame fixing process 202, the base tube immersion process 301 and the masonry tube immersion process 302 are provided with a tube immersion hole 61 at the center. ) It is possible to be implemented to be made in the frame assembly barge line 60 having.

In addition, in the implementation of the present invention, the base submerged frame fixing process 201 and the masonry submerged frame fixing process 202 are the tube spreading process 211 and the support bar installation process 212, the frame assembly process 213, and the crane The connection process 214, the frame lifting process 512, and the support bar removal process can be performed.

The tube unfolding process consists of a process of spreading and installing the geotextile tube 20 in the tube immersion hole 61 of the frame assembly barge line 60.

The support bar installation process 212 consists of installing a frame support bar that supports the assembly process of the tube immersion frame 30 assembled on the upper side of the geotextile tube 20 unfolded through the tube unfolding process 211. .

In the frame assembly process 213, the tube immersion frame 30 is assembled by assembling the width adjustment bar and the length adjustment bar 32 and the central adjustment bar 33 on the upper side of the frame support bar installed through the support bar installation process 212. It is done in the process of doing.

The crane connection process 214 consists of a process of connecting the tube rope 21 of the geotextile tube 20 to the tube immersion frame 30 that has been assembled through the frame assembly process 213 and connecting the crane.

The frame fitting process consists of lifting the tube immersion frame 30 connected through the crane connection process 214.

The support bar removal process consists of a support bar removal process in which the frame support bar is removed while the tube immersion frame 30 is lifted through the frame lifting process 512.

In addition, in the implementation of the present invention, the base frame injury removal process 501 and the masonry frame injury removal process 502 consist of a ring dismantling process 511 and a frame lifting process 512.

The ring disassembly process 511 is performed by separating the tube ring of the geotect tile tube from the tube binding portion 35a.

The frame lifting process 512 is a process of lifting the tube immersion frame 30 from which the geotextile tube 20 is separated to the water surface through the ring disassembly process 511.

On the other hand, in the practice of the present invention, the ring disassembly process 511 includes a tube binding shaft 35b supported on the length adjustment bar 32 so as to be released by an operator's operation of the offshore crane 50, The tube coupling shaft (35b) is provided with a tube coupling portion (35a) at equal intervals, and the tube coupling portion (35a) has one end bound to the tube coupling shaft (35b) and the other end is attached to the tube rope (21). It is formed in the shape of a hook that is open so that it can be opened, and is provided with a binding release arm (35c) at one end of the tube binding shaft (35b) and a binding release cable (35e) that is bound to the binding release arm (35c). The crane 50 can be carried out such that the tube ring of the geotextile tube 20 is disassembled from the tube binding portion 35a by traction or release of the release cable by the operator's operation.

The frame lifting process 512 may be performed by having a buoyancy tube 36 inflated by air supplied by an air supply means so as to be lifted and lifted by buoyancy.

The air supply means of the frame lifting process 512 is composed of a buoyant air pump 37a provided in the offshore crane and a buoyant air hose 37b connecting the buoyant air pump 37a and the buoyancy tube 36. It is something that can be done.

The present invention provides an air tank 38a in which air is compressed and filled with air at one side of the buoyancy tube for the air supply means of the frame lifting process 512, and an air supply pipe 38b for supplying the air tank 38a to the buoyancy tube 36 And a buoyant air supply valve 38c provided in the air supply pipe 38b and operated by a user's manipulation.

Hereinafter, a description will be given of the effects of the application of the present invention.

As described above, erosion by an underwater geotextile tube 20 construction device composed of an erosion prevention mat 10, a geotextile tube 20, a tube immersion frame 30, a filling pump 40, and a marine crane 50 Prevention mat installation process (100) and base submerged frame fixing process (201), base tube submersion process (301), base filling re-injection process (401), base frame injury removal process (501), masonry submerged frame fixing process (202) If implemented by applying the present invention of constructing the geotextile tube 20 in water through the masonry tube submersion process 302, the masonry filling re-injection process 402, and the masonry frame injury removal process 502, the geotextile tube The geotextile tube 20 is submerged and supported by the weight of the tube immersion frame 30 through the base and masonry immersion frame fixing process 202 and the base and masonry tube immersion process 302. It does not flow by and is constructed quickly and clearly in the correct position.

In addition, as in another embodiment of the present invention, the frame assembly bar line 60 is provided, and the tube immersion frame 30 is composed of a width adjustment bar 31, a length adjustment bar 32, and a central adjustment bar 33. It is configured to be able to adjust its size according to the specifications of the geotex tackil tube, and the base immersion frame fixing process 201 and the masonry immersion frame fixing process 202 are performed in the tube unfolding process 211 and the support bar installation process 212, When the frame assembly process 213, the crane connection process 214, the frame lifting process 512, and the support bar removal process are performed, the geotextile tube 20 in a safe and stable working environment for the frame assembly barge line 60 By adjusting the size of the tube immersion frame 30 according to the standard of) and assembling safely, the base immersion frame fixing process 201 and the masonry immersion frame fixing process 202 are made safely and stably.

In addition, as in another embodiment of the present invention, the base frame injury removal process 501 and the masonry frame injury removal process 502 consist of a ring disassembly process 511 and a frame lifting process 512, but the length adjustment bar 32 ) Is provided with a tube binding shaft (35b) axially supported, and provided with a tube binding portion (35a) at equal intervals on the tube binding shaft (35b), the tube binding portion (35a) has one end of the tube binding shaft (35b) ), and the other end is formed in a shape of a hook that is open to hang the tube rope (21), and has a binding release arm (35c) at one end of the tube binding shaft (35b), and the binding release arm (35c) ), if carried out with the binding release cable (35e) bound to, the ring disassembly process 511 is safely and easily released by the operation of the operator of the offshore crane (50).

In addition, as in another embodiment of the present invention, the base frame injury removal process 501 and the masonry frame injury removal process 502 consist of a ring dismantling process 511 and a frame lifting process 512, but the tube immersion frame 30 ) To the buoyancy tube 36 that is expanded by the air supplied by the air supply means, the frame lifting process 512 is not performed only by the traction force of the offshore crane 50, but by the buoyancy force. The lifting is lifted so that the lifting of the tube immersion frame 30 is made smoothly and easily.

10: erosion prevention mat
20: geotextile tube 21: tube rope
30: tube immersion frame
31: width adjustment bar 32: length adjustment bar 33: center adjustment bar
34: Crane fixing unit
35a: tube binding portion 35b: tube binding shaft 35c: releasing arm
35d: female fixing key 35e: releasing cable
36: buoyancy tube
37a: buoyancy air pump 37b: buoyancy air hose
38a: air tank 38b: air supply pipe 38c: buoyant air supply valve
40: charge pump
50: offshore crane 51: towing cable
60: frame assembly barge line 61: tube submersion
100: erosion prevention mat installation process
201: Base submerged frame fixing process 202: Masonry submerged frame fixing process
211: Tube unfolding process 212: Support bar installation process
213: frame assembly process 214: crane connection process
215: frame lifting process 216: support bar removal process
301: base tube immersion process 302: masonry tube immersion process
401: Base filling re-injection process 402: Masonry filling re-injection process
501: Base frame injury removal process 502: Masonry frame injury removal process
511: ring dismantling process 512: frame lifting process

Claims (8)

In the underwater geotextile tube construction apparatus;
Geotextile by binding the erosion prevention mat 10 installed on the sea floor to prevent erosion of the sea floor, the geotextile tube 20 installed on the upper surface of the erosion prevention mat 10, and the geotextile tube 20 The tube immersion frame 30 for submerging the tube 20 in water, the filling pump 40 for filling the geotextile tube 20 with a filling material, and the tube immersion frame 30 immersed in the geotextile tube 20 It consists of an offshore crane 50 to descend;
The tube immersion frame 30 is provided with a buoyancy tube 36 inflated by air supplied by the air supply means so that the geotextile tube 20 can be floated by buoyancy after completion of the filling;
Air supply means,
Underwater geotextile tube construction device, characterized in that consisting of a buoyancy air pump (37a) provided in the offshore cram and a buoyancy air hose (37b) connecting the buoyancy air pump (37a) and the buoyancy tube (36).
In the underwater geotextile tube construction apparatus;
Geotextile by binding the erosion prevention mat 10 installed on the sea floor to prevent erosion of the sea floor, the geotextile tube 20 installed on the upper surface of the erosion prevention mat 10, and the geotextile tube 20 The tube immersion frame 30 for submerging the tube 20 in water, the filling pump 40 for filling the geotextile tube 20 with a filling material, and the tube immersion frame 30 immersed in the geotextile tube 20 It consists of an offshore crane 50 to descend;
The tube immersion frame 30 is provided with a buoyancy tube 36 inflated by air supplied by the air supply means so that the geotextile tube 20 can be floated by buoyancy after completion of the filling;
Air supply means,
It is provided in the air tank 38a in which air is compressed and filled on one side of the buoyancy tube, and the air supply pipe 38b supplying the air tank 38a to the buoyancy tube 36, and the air supply pipe 38b. Underwater geotextile tube construction device, characterized in that consisting of a buoyant air supply valve (38c) operated by the.
The method according to claim 1 or 2;
The tube immersion frame 30 adjusts the length and width according to the specifications of the geotextile tube 20, and includes a width adjustment bar 31 provided at both ends of the lengthwise direction, and the one side width adjustment bar 31 and the other side. Two or more length adjustment bars 32 that are coupled to be adjusted in the longitudinal direction at both ends of the width adjustment bars 31 so that the width adjustment bars 31 can be connected, the length of both sides between the width adjustment bars 31 on both sides A crane fixing part provided on any one or more of the adjustment bar 32, the central adjustment bar 33 adjusted according to the length of the width adjustment bar 31, the width adjustment bar 31 and the length adjustment bar 32 ( 34) and a tube binding portion 35a provided at equal intervals on the length adjustment bar 32 to bind the tube rope 21 of the geotextile tube 20,
The tube binding portion (35a) has a tube binding shaft (35b) axially supported on the length adjustment bar (32) so that the binding release of the tube rope (21) of the geotextile tube (20) is released from rotation, and the tube binding The shaft (35b) is provided with a tube coupling portion (35a) at equal intervals, and the tube coupling portion (35a) has one end bound to the tube binding shaft (35b) and the other end is open to hang the tube rope (21). It is formed in a hook shape, and has a binding release arm (35c) at one end of the tube binding shaft (35b),
The binding release arm (35c) is provided on the offshore crane 50 and is towed or released by the operator of the offshore crane 50 to limit the rotation of the binding release arm (35c). Underwater geotextile tube construction device, characterized in that provided with.
The method of claim 3;
The tube immersion frame 30 is assembled and provided with a frame assembly barge line 60 capable of binding the tube submersion frame 30 and the geotextile tube 20, and a geotextile at the center of the frame assembly barge line 60 is provided. Underwater geotextile tube construction device, characterized in that the tube immersion hole 61 is formed to allow the tube immersion frame 30 to which the style tube 20 is bound to be immersed.
In the underwater geotextile tube 20 construction method;
The erosion prevention mat installation process (100) and the erosion prevention mat installation process (100) to install an erosion prevention mat (10) to prevent subsidence at the installation place of the geotextile tube (20). Base immersion frame fixing process 201 for fixing the geotextile tube 20 to the tube immersion frame 30 so that the geotextile tube 20 installed at one end can be immersed by the weight of the tube immersion frame 30, The base tube immersion process 301 in which the tube immersion frame 30 to which the geotextile tube 20 is fixed through the base immersion frame fixing process 201 is gradually submerged into the water at the installation site using the offshore crane 50 , The base filling re-injection process 401 of connecting the injection pipe to the geotextile tube 20 that has been submerged through the base tube immersion process 301 and injecting the filling material by the filling pump 40, the base filling re-injection process When 401 is completed, the geotextile tube 20 is separated and the tube immersion frame 30 is lifted to remove the base frame injuries removal process 501, and the tube immersion frame injured by the base frame injuries removal process 501 Through the masonry immersion frame fixing process 202 of fixing the geotextile tube 20 to be masonry to the tube immersion frame 30 on the upper surface of the geotextile tube installed in 30, the masonry immersion frame fixing process 202 Through the masonry tube immersion process 302 in which the tube immersion frame 30 on which the geotextile tube 20 is fixed is gradually submerged into the water at the installation site using the offshore crane 50, the masonry tube immersion process 302 When the masonry filling process 402 of connecting the injection pipe to the submerged geotextile tube 20 and injecting the filling material by the filling pump 40, the masonry filling re-injecting process 402 is completed, the geotextile tube 20 ), and the underwater geotextile tube construction method, characterized in that consisting of a masonry frame injuries removal process (502) to remove by floating the tube immersion frame (30).
The method of claim 5;
The base submerged frame fixing process 201 and the masonry submerged frame fixing process 202, the base tube submerging process 301 and the masonry tube submerging process 302 have a tube submerged hole 61 at the center of the frame assembly barge line 60 Is done in,
The base submerged frame fixing process 201 and the masonry submerged frame fixing process 202,
On the upper side of the tube unfolding process 211 of spreading and installing the geotextile tube 20 in the tube immersion hole 61 of the frame assembly barge line 60 and the geotextile tube 20 spreading through the tube unfolding process 211 A support bar installation process 212 of installing a frame support bar that supports the assembly process of the tube immersion frame 30 to be assembled, a width adjustment bar and a length adjustment bar on the upper side of the frame support bar installed through the support bar installation process 212 (32) A frame assembly process 213 of assembling the tube immersion frame 30 by assembling the central control bar 33, and a geotextile tube on the tube immersion frame 30 that has been assembled through the frame assembly process 213. The crane connection process (214) of connecting the tube rope (21) of (20) and connecting the crane, the frame lifting process (512) of lifting the tube submerged frame (30) connected through the crane connection process (214), and the Underwater geotextile tube construction method, characterized in that consisting of a support bar removal process of removing the frame support bar while the tube immersion frame 30 is lifted through the frame lifting process 512.
The method of claim 5;
The base frame injury removal process 501 and the masonry frame injury removal process 502 are performed through a ring disassembly process 511 and a ring disassembly process 511 in which the tube ring of the geotect tile tube is separated from the tube binding part 35a. It consists of a frame lifting process 512 for lifting the tube immersion frame 30 from which the geotextile tube 20 is separated to the water surface,
The ring disassembly process 511 is provided with a tube binding shaft (35b) axially supported on the length adjustment bar (32) so as to be released by the operation of the operator of the offshore crane (50), the tube binding shaft (35b), etc. Provided with a tube binding portion (35a) at intervals, the tube binding portion (35a) is formed in a hook shape, one end is bound to the tube binding shaft (35b) and the other end is open to hang the tube rope (21), , One end of the tube binding shaft (35b) is provided with a binding release arm (35c) and a binding release cable (35e) that is bound to the binding release arm (35c) by the operation of the marine crane (50) operator. Underwater geotextile tube construction method, characterized in that the tube ring of the geotextile tube 20 is disassembled from the tube binding portion 35a by pulling or unwinding the release cable.
The method of claim 5;
The base frame injury removal process 501 and the masonry frame injury removal process 502 are performed through a ring disassembly process 511 and a ring disassembly process 511 in which the tube ring of the geotect tile tube is separated from the tube binding part 35a. It consists of a frame lifting process 512 for lifting the tube immersion frame 30 from which the geotextile tube 20 is separated to the water surface,
The frame lifting process 512 includes a buoyancy tube 36 that is inflated by air supplied by an air supply means so as to be lifted and lifted by buoyancy;
The air supply means of the frame lifting process 512,
Consisting of a buoyancy air pump (37a) provided in the offshore crane and a buoyancy air hose (37b) connecting the buoyancy air pump (37a) and the buoyancy tube (36) and
It is provided in the air tank 38a in which air is compressed and filled on one side of the buoyancy tube, and the air supply pipe 38b supplying the air tank 38a to the buoyancy tube 36, and the air supply pipe 38b. Underwater geotextile tube, characterized in that consisting of any one consisting of a buoyant air supply valve (38c) operated by

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