KR102260351B1 - Suspension type submarine tunnel mooring device and its mooring method - Google Patents

Abstract

The present invention relates to a suspended underwater tunnel mooring apparatus and a mooring method thereof, in an underwater tunnel formed by docking a plurality of hollow tunnel tubes in a row, the underwater tunnel being installed on the seabed ground to support the underwater tunnel A plurality of support towers provided at equal intervals along the longitudinal direction of the; a mooring tower spaced apart from the underwater tunnel and provided between the continuous support towers and installed on the seabed; a first mooring line interconnecting the support tower and the mooring tower; and a plurality of second mooring lines connecting the first mooring line and the underwater tunnel, wherein the mooring tower, the first mooring line, and the second mooring line are provided so as to form left and right symmetry with respect to the underwater tunnel A method for mooring an underwater tunnel using a modified underwater tunnel mooring device and the above-described suspended underwater tunnel mooring device, the method comprising: a support tower installation step of installing a plurality of support towers spaced apart from each other on the seabed to have a certain directionality; An underwater tunnel coupling step of continuously docking a plurality of tunnel tubes to combine the underwater tunnels; a mooring tower installation step of installing a plurality of mooring towers to be spaced apart from each other at regular intervals on both sides of the underwater tunnel between the continuous support towers; a first mooring line connecting step of sequentially connecting a first mooring line to the plurality of mooring towers and the supporting tower; a second mooring line connecting step of coupling a plurality of second mooring lines to the first mooring line and connecting them to the underwater tunnel, respectively; and a third mooring line connecting step of connecting a third mooring line to the support tower and the mooring tower to connect to the underwater tunnel. A string that can effectively resist lateral load and vertical displacement acting on the underwater tunnel by sequentially connecting a plurality of mooring towers spaced apart from the first mooring line and connecting the first mooring line and the underwater tunnel through the second mooring line. It relates to a modified underwater tunnel mooring device and a mooring method therefor.

Description

Suspension type underwater tunnel mooring device and mooring method therefor {SUSPENSION TYPE SUBMARINE TUNNEL MOORING DEVICE AND ITS MOORING METHOD}

The present invention relates to a suspension type underwater tunnel mooring apparatus and a mooring method therefor, and more particularly, to a support tower supporting an underwater tunnel moored to a predetermined depth in water and a plurality of mooring towers spaced apart from the underwater tunnel sequentially to a first mooring line The present invention relates to a suspended underwater tunnel mooring device and a mooring method that can effectively resist lateral loads and vertical displacements acting on an underwater tunnel by connecting the first mooring line and the underwater tunnel through the second mooring line. .

In general, an underwater structure refers to a structure installed in the sea, that is, a structure installed in the water between the sea level and the sea floor. It means a tunnel made to pass through.

The underwater tunnel as described above can minimize the length of the connection section, the construction period, and the time required to manufacture the structure by the modular connection method.

That is, such an undersea tunnel is installed by connecting the pipe-shaped units that the railway runs in the water and supporting it on the sea floor instead of drilling a tunnel in the sea floor.

As a connection method of such an underwater tunnel, a method is mainly used in which a sealing member is installed between the units of the underwater tunnel, and the end of the unit is connected to the end of the neighboring unit by using a wire. It has the advantage of being less affected by the weather.

Since such an underwater tunnel is filled with air inside, it is floated by buoyancy in the water. To prevent this and to allow the underwater tunnel to moored at a certain height in the water, cables such as chains and wires are wrapped around the underwater tunnel so that the underwater bottom surface is fixedly installed on

However, when the cable is fixedly installed in the underwater tunnel as in the prior art, the external force applied to the cable due to the current or other causes is transmitted to the underwater tunnel as it is, so the deformation such as torsion occurs in the underwater tunnel due to the external force transmitted from the cable. In addition to cables, there is a risk that deformation such as torsion may occur in the underwater tunnel as pressure is applied to the outer wall of the underwater tunnel itself, and if such deformation occurs severely, the vehicle or train running inside the underwater tunnel may overturn. There were serious problems such as accidents or damage to the connection part of the underwater tunnel.

In order to solve this conventional problem, Patent Document 1 discloses that the tunnel is moved in the left or right direction or in the up and down directions due to ocean currents or wave heights by the first and second fixed chains that wrap the underwater tunnel while both ends are fixed to the underwater floor. Provided an underwater tunnel device that does not flow and can be safely maintained in a fixed state.

However, in Patent Document 1, when the underwater bottom itself is displaced, that is, when the underwater bottom is made of tidal flats or the displacement occurs in the underwater bottom due to an earthquake, etc., the tension change of the chain occurs, and this tension change is as it is in the underwater tunnel. There is a problem in that the underwater tunnel becomes structurally unstable due to the transmission, or in severe cases, damage occurs in the connection part connecting and fixing the tunnel unit and the neighboring tunnel unit to each other.

KR 10-1334373 B1 KR 10-1211491 B1 KR 10-1745453 B1 KR 10-1211486 B1

In order to solve the above problems, the present invention provides a plurality of support towers installed on the seabed to closely support the outer circumferential surface of the underwater tunnel, a plurality of mooring towers spaced apart from the underwater tunnel and installed on the seabed ground, and the support tower and the mooring tower sequentially The first mooring line is composed of a connecting first mooring line, one end connected to the first mooring line, the other end connected to both sides of the outer peripheral surface of the underwater tunnel, a plurality of second mooring lines, and a third mooring line connecting the mooring tower and the underwater tunnel. , The second mooring line and the third mooring line are provided with a tension adjusting member to adjust the applied tension, thereby effectively responding to the external pressure applied to the outer wall of the underwater tunnel, especially the lateral displacement, to prevent the underwater tunnel from being twisted or damaged. An object of the present invention is to provide a suspended underwater tunnel mooring device and a mooring method therefor.

The technical problem of the present invention is not limited to those mentioned above, and another technical problem not mentioned will be clearly understood by those skilled in the art from the following description.

In order to achieve the above object, the present invention is an underwater tunnel formed by docking a plurality of tunnel tubes with a hollow inside, such as along the longitudinal direction of the underwater tunnel to be installed on the seabed to support the underwater tunnel, etc. a plurality of support towers provided at intervals; a mooring tower spaced apart from the underwater tunnel and provided between the continuous support towers and installed on the seabed; a first mooring line interconnecting the support tower and the mooring tower; and a plurality of second mooring lines connecting the first mooring line and the underwater tunnel, wherein the mooring tower, the first mooring line, and the second mooring line are provided so as to form left and right symmetry with respect to the underwater tunnel Modified underwater tunnel mooring devices are provided.

In this case, the mooring tower is characterized in that a plurality of mooring towers are flexibly arranged according to the distance between the continuous support towers or the ground conditions of the seabed ground.

In addition, the mooring tower is characterized in that it further includes a third mooring line directly connected to the underwater tunnel.

In this case, the support tower, the mooring tower and the underwater tunnel may further include a fixing member to which the first mooring line, the second mooring line and the third mooring line are coupled and fixed.

In addition, a tension adjusting member is further included at one or both ends of the first mooring line, the second mooring line, and the third mooring line to adjust the tension applied to the first mooring line, the second mooring line, and the third mooring line. .

In this case, the tunnel tube is designed to have buoyancy, or a buoyancy unit capable of adjusting the buoyancy is included on one side of the tunnel tube.

And in the method of mooring an underwater tunnel with the suspension type underwater tunnel mooring device described above, the method comprising: a support tower installation step of installing a plurality of support towers spaced apart from each other on the seabed to have a certain direction; An underwater tunnel coupling step of continuously docking a plurality of tunnel tubes to combine the underwater tunnels; a mooring tower installation step of installing a plurality of mooring towers to be spaced apart from each other at regular intervals on both sides of the underwater tunnel between the continuous support towers; a first mooring line connecting step of sequentially connecting a first mooring line to the plurality of mooring towers and the supporting tower; a second mooring line connecting step of coupling a plurality of second mooring lines to the first mooring line and connecting them to the underwater tunnel, respectively; and a third mooring line connecting step of connecting a third mooring line to the support tower and the mooring tower to connect to the underwater tunnel.

In this case, the underwater tunnel coupling step is a height adjustment process of adjusting the height of the tunnel tube so as to be supported in close contact with the support tower by adjusting the buoyancy of the tunnel tube; and a bonding process of bonding the tunnel tubes adjacent to each other.

By providing the present invention configured as described above, it effectively responds to the pressure applied to the outer wall of the underwater tunnel under the influence of ocean currents, in particular, the lateral displacement caused by the horizontal load, and reduces the pressure transmitted to the underwater tunnel through the mooring line. This can be prevented from being twisted or damaged, and construction is convenient due to its simple structure, thereby reducing the cost and time required for construction.

Effects of the present invention are not limited to the effects mentioned above, and other effects not mentioned will be clearly understood by those skilled in the art from the description of the claims.

1 is a block diagram showing a suspension type underwater tunnel mooring device according to the present invention.
Figure 2 is a front view showing the suspension type underwater tunnel mooring device according to the present invention.
Figure 3 is a side view showing the suspension type underwater tunnel mooring device according to the present invention.
4 is a side view showing a suspension type underwater tunnel mooring device according to an embodiment;
5 is a layout view showing a suspension type underwater tunnel mooring device according to an embodiment.
6 is an exemplary view showing first, second, and third mooring lines of the suspension type underwater tunnel mooring apparatus according to the embodiment;
7 is a block diagram showing a method for mooring a suspended underwater tunnel according to the present invention.
8 is a block diagram showing the underwater tunnel coupling step of the suspension type underwater tunnel mooring method according to the present invention.

Hereinafter, preferred embodiments of the present invention will be described in detail with reference to the accompanying drawings so that those of ordinary skill in the same technical field can easily carry out the present invention.

The present invention relates to an apparatus and a mooring method for an underwater tunnel formed by docking a plurality of hollow tunnel tubes to be continuous. The suspended underwater tunnel mooring apparatus of the present invention is as shown in FIGS. 1 to 6 . Similarly, the support tower 200 , the mooring tower 300 , the first mooring line 500 , and the second mooring line 600 may be configured.

According to an embodiment of the present invention, the support tower 200 is installed on the seabed ground and spaced apart from each other along the longitudinal direction of the underwater tunnel 100 so as to support the outer peripheral surface of the underwater tunnel 100 in close contact. Dogs can be installed.

The support tower 200 may serve to fix and support the underwater tunnel 100 so that the underwater tunnel 100 is not twisted or damaged as it sinks by a vertical load or moves up and down by an ocean current. .

This is to serve as a pylon supporting the bridge in a general bridge, and the plurality of the support towers 200 allow the vertical load applied to the underwater tunnel 100 to be evenly distributed and transmitted to the seabed, and the sea current By preventing the underwater tunnel 100 from moving vertically and irregularly, it is preferable that the underwater tunnel 100 is disposed at equal intervals so that the underwater tunnel 100 is not damaged by sinking or twisting.

At this time, a plurality of the tunnel tubes coupled in the longitudinal direction so as to be adjacent to each other to form the underwater tunnel 100 are designed to have their own buoyancy, or a buoyancy unit capable of adjusting the buoyancy on one side or the inside of the tunnel tube ( 900) can be provided.

According to an embodiment of the present invention, the buoyancy unit 900 may serve to adjust the buoyancy force acting on the tunnel tube to facilitate matching the target height at which the underwater tunnel 100 is installed, and the The operation of the buoyancy unit 900 may allow the underwater tunnel 100 to be securely attached to and fixed to the support tower 200 .

To this end, the buoyancy unit 900 may have a structure capable of injecting or discharging air into it, and may be formed of a detachable buoyancy body on one side or the inside of the underwater tunnel 100 .

According to an embodiment of the present invention, the mooring tower 300 is a structure that can be coupled with a mooring line to prevent torsion or buckling caused by ocean currents from occurring in the underwater tunnel 100, and the mooring tower 300 may be installed on the seabed to be spaced apart from the underwater tunnel 100 , and may be installed between the support towers 200 that are continuously installed to support the underwater tunnel 100 .

The mooring ships, which were conventionally installed to fix the underwater tunnel, have one end coupled to a support tower supporting the underwater tunnel, the other end connected to the underwater tunnel, or one end fixed to the seabed with an anchor, and the other end connected to the underwater tunnel. was made of a structure that

However, since this conventional structure supports the underwater tunnel almost vertically, it is very difficult to control the lateral displacement that occurs in the underwater tunnel, which is mainly caused by the horizontal load generated by the current, and the seabed ground is a soft terrain such as mud. There are problems such as the bond being easily untied in the water tunnel, which requires enormous manpower and cost for the maintenance of the underwater tunnel.

For this purpose, in the suspension type underwater tunnel mooring apparatus of the present invention, a mooring line is not connected to the underwater tunnel 100 and the support tower 200 that vertically supports the underwater tunnel 100, but the underwater tunnel 100 A separate mooring tower 300 spaced apart from the above is strongly installed on the seabed, and a first mooring line 500 that sequentially connects the support tower 200 and the mooring tower 300 is installed preferentially, and the first mooring line 500 is preferentially installed. By connecting the plurality of second mooring lines 600 from the first mooring line 500 to the outer circumferential surface of the underwater tunnel 100, the foundation is strong regardless of the topography of the seabed ground, and the underwater tunnel 100 is moved in an oblique direction. It is possible to easily control the lateral displacement acting on the underwater tunnel 100 by holding it.

A plurality of mooring towers 300 and a first mooring line 500, the plurality of mooring towers 300 and a first mooring line 500, which are connected to the underwater tunnel 100 with the structure as described above and can control the lateral displacement acting on the underwater tunnel 100 by ocean currents, etc. The second mooring line 600 is provided so as to be symmetrical with respect to the underwater tunnel 100, and is balanced so that both sides of the outer peripheral surface of the underwater tunnel 100 can be held at the same time to more effectively respond to lateral displacement caused by ocean currents, etc. , it is possible to prevent the underwater tunnel 100 from being twisted or damaged due to buckling.

According to an embodiment of the present invention, in order to support the underwater tunnel 100, the mooring tower 300 is installed between the support towers 200 that are installed continuously along the longitudinal direction of the underwater tunnel 100. 1 to 3, it is installed on the seabed, but if the height of the mooring tower 300 is lowered or the ground condition of the seabed forms a strong rock layer, the anchorage can be installed directly on the seabed. .

This increases the tension of the first mooring line 500 interconnected to the support tower 200 and the mooring tower 300 to be connected to the first mooring line 500 and connected to the outer peripheral surface of the underwater tunnel 100. The lower part of the support tower 200 and the mooring tower 300 are interconnected to each other so as to strengthen the fixing force for the underwater tunnel 100 by pulling the second mooring line 600 of the first mooring line. (500) is to be installed so as to form a curve upward.

In addition, according to an embodiment of the present invention, the mooring tower installed between the support towers 200 installed to be continuous along the longitudinal direction of the underwater tunnel 100 in order to support the underwater tunnel 100 ( As shown in FIGS. 4 and 5, a plurality of 300) may be arranged so as to be spaced apart from each other, and rather than being installed on the same line, they are elastically arranged according to the shape of the seabed, so that a plurality of the support towers 200 and the The first mooring line 500 that sequentially connects the mooring tower 300 can be stably connected.

That is, a plurality of mooring towers 300 are flexibly arranged according to the distance between the consecutive support towers 200 or the ground condition or shape of the seabed ground. The first mooring line 500, which is the basis, can be installed stably and securely.

At this time, the plurality of second mooring lines 600 having one end connected to the first mooring line 500 and the other end connected to the outer circumferential surface of the underwater tunnel 100 are connected to the first mooring line 500 and the underwater tunnel ( The length may be different depending on the distance between the 100), and may be installed so as to be spaced apart at equal intervals on the same line on the outer circumferential surface of the underwater tunnel 100 along the longitudinal direction of the underwater tunnel 100.

According to an embodiment of the present invention, in the plurality of mooring towers 300 installed on the seabed ground between the continuous support towers 200, a third mooring line 700 directly connected to the outer peripheral surface of the underwater tunnel 100. More of this can be installed.

The third mooring line 700 is capable of reinforcing the bearing capacity of the plurality of second mooring lines 600 connected from the first mooring line 500 to the underwater tunnel 100 , and the first mooring line 500 . And it is possible to prevent the second mooring line 600 from being pulled or stretched more than necessary due to excessive tension, so that the underwater tunnel 100 can be moored more stably.

The first mooring line 500 sequentially connecting the continuous support tower 200 and the plurality of mooring towers 300 , and one end is connected to the first mooring line and the other end is the outer circumferential surface of the underwater tunnel 100 . The connection structure of the plurality of second mooring lines 600 and the third mooring line 700 directly connecting the mooring tower 300 and the underwater tunnel 100 to each other at equal intervals is shown in Figs. Please refer to it for understanding.

In addition, the first mooring line 500, the second mooring line 600, and the third mooring line 700 are coupled and fixed to the support tower 200, the mooring tower 300, and the underwater tunnel 100. A fixing member 400 may be further provided so that the fixing member 400 is provided in the underwater tunnel 100 , and the second mooring line 600 and the third fixing member 400 are connected to the underwater tunnel 100 . It may be provided in proportion to the number of mooring lines 700 .

According to an embodiment of the present invention, as shown in FIG. 6 , the first mooring line 500 , the second mooring line 600 and the third mooring line 700 have the first mooring line 500 and the second mooring line 700 . Tension adjusting member 800 may be provided at one or both ends of 600 and the third mooring line 700, and the tension adjusting member 800 is made of a turnbuckle type or an elastic body that can well withstand corrosion by seawater. can get

The tension adjusting member 800 adjusts the tension acting on the first mooring line 500 , the second mooring line 600 , and the third mooring line 700 to adjust the support tower 200 , the mooring tower 300 and the underwater It can be made to respond more flexibly to the external pressure acting on the tunnel 100, and the installation is simple and adjustable in connecting the first mooring line 500, the second mooring line 600, and the third mooring line 700. This makes it possible to shorten the construction time.

The method of mooring an underwater tunnel using the suspension type underwater tunnel mooring device having the above structure is as shown in FIGS. 7 and 8, the support tower installation step (S100), the underwater tunnel coupling step (S200), and the mooring tower. The installation step (S300), the first mooring line connection step (S400), the second mooring line connection step (S500), and the third mooring line connection step may be sequentially performed.

The support tower installation step (S100) is to install a plurality of support towers 200 spaced apart from each other on the seabed to have a certain directionality, and the constant directionality refers to the longitudinal direction of the underwater tunnel 100 to be installed. .

After installing the support tower 200, which is the basis for vertically supporting the underwater tunnel 100 in the support tower installation step (S100), a plurality of tunnel tubes forming the underwater tunnel 100 are continuously installed. An underwater tunnel coupling step (S200) of docking and coupling may be performed.

In this case, the underwater tunnel coupling step (S200) is performed by adjusting the buoyancy of the tunnel tube through the buoyancy unit 900 provided in the tunnel tube so that the tunnel tube can be supported in close contact with the support tower 200 installed in advance. A height adjustment process (S210) of adjusting the height of the can be performed, and after the height adjustment process (S210), the underwater tunnel 100 is formed through a coupling process (S220) of combining the tunnel tubes adjacent to each other. can make it happen

When the underwater tunnel coupling step (S200) is completed, the mooring tower installation step (S300) of installing a plurality of mooring towers 300 to be spaced apart from each other by a predetermined distance between the continuous support towers 200 on both sides of the underwater tunnel 100 can be done

At this time, the mooring tower 300 may be installed to be symmetrical with respect to the underwater tunnel 100, and spaced apart from the underwater tunnel 100 in an oblique direction by a second mooring line 600 to be connected later. It can be made to respond effectively to the horizontal load.

In addition, a plurality of mooring towers 300 may be flexibly arranged depending on the distance between the consecutive support towers 200 or the ground conditions of the seabed ground, which is the first mooring line performed after the mooring tower installation step (S300). This is to ensure that the first mooring line 500 sequentially connecting the support tower 200 and the plurality of mooring towers 300 in the connecting step (S400) can be stably installed.

The first mooring line 500 for sequentially connecting the support tower 200 and the plurality of mooring towers 300 installed between the support towers 200 through the first mooring line connection step (S400). ), the second mooring line connecting step ( S500 ) may be performed to connect the first mooring line 500 and the underwater tunnel 100 .

That is, in the second mooring line connection step (S500), the plurality of second mooring lines 600 are coupled to the first mooring line 500, and the other end of the plurality of second mooring lines 600 is connected to the underwater tunnel 100. ) is to be connected to the outer circumferential surface at equal intervals to effectively respond to the lateral displacement acting on the underwater tunnel 100 by a horizontal load caused by an ocean current or the like.

After connecting the plurality of second mooring lines 600 to the outer circumferential surface of the underwater tunnel 100 through the second mooring line connection step (S500), the support tower 200 and the mooring tower 300 are connected to the underwater tunnel. A third mooring line connecting step (S600) of connecting the third mooring line 700 to be directly connected to the outer peripheral surface of 100 may be performed.

The third mooring line 700 prevents the first mooring line 500 and the second mooring line 600 from being stretched or pulled more than necessary due to excessive tension, so that the mooring of the underwater tunnel 100 is more stable. The first mooring line 500 and the first mooring line 500 and the above are installed so as to be directly connected from the support tower 200 to the underwater tunnel 100 and from the mooring tower 300 to the underwater tunnel 100. The limit of the tension acting on the second mooring line 600 may be supplemented.

According to an embodiment of the present invention, in the method of mooring a suspended underwater tunnel, the above-described steps may be sequentially performed, but in some cases, after installing the underwater tunnel 100 and the mooring tower 300 first, , the first mooring line 500, the second mooring line 600, and the third mooring line 700 are not sequentially connected, but the second mooring line 600 and the third mooring line ( 700) first, and after the mooring tower 300 is installed in line with the connected second mooring line 600 and third mooring line 700, the second mooring line 600 is connected to the connected first mooring line 500. In addition, the third mooring line 700 may be connected to the support tower 200 and the mooring tower 300 , respectively.

This is, in the method of mooring a suspended underwater tunnel, is not limited to only one order, but flexibly responds according to the situation of the seabed or current of the location where the underwater tunnel 100 is to be installed and the underwater tunnel ( 100) so that the work of mooring can be carried out smoothly.

By providing the present invention configured as described above, it effectively responds to the pressure applied to the outer wall of the underwater tunnel under the influence of ocean currents, in particular, the lateral displacement caused by the horizontal load, and reduces the pressure transmitted to the underwater tunnel through the mooring line. This can be prevented from being twisted or damaged, and construction is convenient due to its simple structure, thereby reducing the cost and time required for construction.

The terms and words used in the present specification and claims described above should not be construed as being limited to conventional or dictionary meanings, and the present inventors have adequately defined the concept of terms to describe their invention in the best way. It should be interpreted as meaning and concept consistent with the technical idea of the present invention based on the principle that it can be defined in

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

100: underwater tunnel 200: support tower
300: mooring tower 400: fixing member
500: first mooring line 600: second mooring line
700: third mooring line 800: tension control member
900: buoyancy unit S100: support tower installation step
S200: underwater tunnel combining step S210: height adjustment process
S220: bonding process S300: mooring tower installation step
S400: Connecting the first mooring line S500: Connecting the second mooring line
S600: 3rd mooring line connection stage

Claims (8)

In an underwater tunnel formed by docking a plurality of tunnel tubes with a hollow inside,
a plurality of support towers installed on the seabed and provided at equal intervals along the longitudinal direction of the underwater tunnel to closely support the outer peripheral surface of the underwater tunnel;
a mooring tower spaced apart from the underwater tunnel and provided between the continuous support towers and installed on the seabed;
a first mooring line interconnecting the support tower and the mooring tower; and
a plurality of second mooring lines connecting the first mooring line and the underwater tunnel;
The mooring tower, the first mooring line, and the second mooring line are provided to form left and right symmetry with respect to the underwater tunnel,
The second mooring line is installed on the outer circumferential surface of the underwater tunnel along the longitudinal direction of the underwater tunnel so as to be spaced at equal intervals along the same line,
In the mooring tower,
A third mooring line directly connected to the underwater tunnel is further included,
The mooring tower is
A plurality of consecutive support towers are arranged elastically according to the distance between the support towers or the ground conditions of the seabed,
In the support tower, mooring tower and underwater tunnel,
A fixing member to which the first mooring line, the second mooring line and the third mooring line are coupled and fixed is further included;
At one end or both ends of the first mooring line, the second mooring line and the third mooring line,
A tension adjusting member is further included to adjust the tension applied to the first mooring line, the second mooring line, and the third mooring line;
The tunnel tube is designed to have buoyancy, or
Suspension type underwater tunnel mooring device, characterized in that a buoyancy unit capable of adjusting buoyancy force is included at one side of the tunnel tube.
delete delete delete delete delete In the suspension type underwater tunnel mooring method using the suspension type underwater tunnel mooring device according to claim 1,
A support tower installation step of installing a plurality of support towers on the seabed so as to be spaced apart from each other to have a certain directionality;
An underwater tunnel coupling step of continuously docking a plurality of tunnel tubes to combine the underwater tunnels;
a mooring tower installation step of installing a plurality of mooring towers to be spaced apart from each other at regular intervals on both sides of the underwater tunnel between the continuous support towers;
a first mooring line connecting step of sequentially connecting a first mooring line to the plurality of mooring towers and the supporting tower;
a second mooring line connecting step of coupling a plurality of second mooring lines to the first mooring line and connecting them to the underwater tunnel, respectively; and
a third mooring line connecting step of connecting a third mooring line to the support tower and the mooring tower to connect to the underwater tunnel;
The underwater tunnel coupling step,
a height adjustment process of adjusting the height of the tunnel tube so that it can be supported in close contact with the support tower by adjusting the buoyancy of the tunnel tube; and
Suspension type underwater tunnel mooring method, characterized in that it comprises a coupling step of coupling the adjacent tunnel tubes.
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