JP6433855B2 - Tunnel lining device and tunnel lining method - Google Patents

Description

  The present invention relates to a tunnel lining device used for lining an inner peripheral surface of a tunnel, and a tunnel lining method.

Patent Document 1 discloses using a precast lining plate for lining the inner peripheral surface of a tunnel. Here, the precast lining plate is a plate-shaped member made of precast concrete manufactured in advance in a factory or the like, and having an arc-shaped cross section, for example. In Patent Document 1, at the time of tunnel lining, first, a plurality of arc-shaped precast lining plates are integrated left and right and front and rear outside the tunnel to assemble an arch-shaped assembly lining plate, and then outside the tunnel, The above-mentioned assembly lining plate is placed on the support frame of the portal-type moving carriage, and then the moving carriage carrying the above-mentioned assembly lining plate is moved from the outside of the tunnel to the lining portion in the tunnel.
As a method of using a precast lining plate for lining the inner peripheral surface of a tunnel, for example, a PCL method (registered trademark) (Precast Concrete Lining) is known.

Japanese Patent Laid-Open No. 08-2110099

However, in the technology disclosed in Patent Document 1, it is necessary for the portal-type movable carriage to reciprocate between the outside of the tunnel and the lining portion in the tunnel every time the above-described assembly lining plate is installed in the lining portion in the tunnel. Therefore, it takes time to move the moving carriage, which causes a reduction in work efficiency. In addition, since it takes time to mount the assembly lining plate assembled outside the tunnel on the support frame of the moving carriage using a crane or the like, this operation has caused further reduction in work efficiency.
In view of such a situation, the present invention aims to improve the efficiency of the tunnel lining work using a precast lining plate.

Therefore, in the first aspect of the present invention, the tunnel lining device is a device used for lining the inner peripheral surface of the tunnel. This tunnel lining device includes a portal-type moving carriage capable of traveling on the tunnel floor surface in the tunnel axis direction, and an arch-shaped covering installed on one end of the moving carriage in the tunnel axis direction and supported by the moving carriage. An arch-shaped lining plate support portion frame that is installed in a portion adjacent to the portion of the moving carriage where the lining plate assembly portion frame is installed in the tunnel axis direction and supported by the moving carriage. And comprising. In the lining plate assembly portion frame, an arch-shaped lining plate unit can be formed by connecting a plurality of precast lining plates in an arch shape while supporting a plurality of precast lining plates on the outer side in the tunnel radial direction. In the lining plate support part frame, a plurality of lining plate units can be supported in a state where the plurality of lining plate units are connected in series in the tunnel axis direction. The lining plate assembly section frame includes an assembly section frame transport unit that moves the lining plate unit formed by the lining plate assembly section frame to the lining plate support section frame.

  In the second aspect of the present invention, the tunnel lining method using the above-described tunnel lining device has a gap formed between the lining plate assembly portion frame and the lining plate support portion frame. Through the gap from inside the tunnel lining device, a wife mold frame for injecting a filler to be injected into the space between the plurality of lining plate units supported by the plate support part frame and the inner peripheral surface of the tunnel is provided. Disposing within the space.

In the third aspect of the present invention, the tunnel lining method using the above-described tunnel lining device temporarily fixes the precast lining plate constituting the top end portion of the lining plate unit to the upper portion of the lining plate assembly portion frame. Arch-shaped lining by connecting a plurality of precast lining plates in series along the tunnel circumferential direction so as to connect to both ends of the tunnel circumferential direction of the temporarily fixed precast lining plate Forming a plate unit.
In the tunnel lining method according to the fourth aspect of the present invention, the inner circumferential surface of the tunnel is covered using a tunnel lining device. This tunnel lining device includes a portal-type moving carriage capable of traveling on the tunnel floor surface in the tunnel axis direction, and an arch-shaped covering installed on one end of the moving carriage in the tunnel axis direction and supported by the moving carriage. An arch-shaped lining plate support portion frame that is installed in a portion adjacent to the portion of the moving carriage where the lining plate assembly portion frame is installed in the tunnel axis direction and supported by the moving carriage. And comprising. In the lining plate assembly portion frame, an arch-shaped lining plate unit can be formed by connecting a plurality of precast lining plates in an arch shape while supporting a plurality of precast lining plates on the outer side in the tunnel radial direction. In the lining plate support part frame, a plurality of lining plate units can be supported in a state where the plurality of lining plate units are connected in series in the tunnel axis direction. A gap is formed between the lining plate assembly part frame and the lining plate support part frame. The tunnel lining method in the fourth aspect of the present invention is the injection of the filler injected into the space between the plurality of lining plate units supported by the lining plate support part frame and the inner peripheral surface of the tunnel. Disposing a wife formwork in the space through the gap from inside the tunnel lining device.

  According to the present invention, the lining plate assembly portion frame and the lining plate support portion frame are mounted on the portal-type movable carriage. In the lining plate assembly part frame, an arched lining plate unit can be formed. In the lining plate support part frame, a plurality of lining plate units can be supported in a state where the plurality of lining plate units are connected in series in the tunnel axis direction. As a result, it is possible to form a lining plate unit and integrate a plurality of lining plate units at and near the lining portion in the tunnel, so the tunnel lining work can be efficiently performed. Can do.

The figure which shows schematic structure of the tunnel lining apparatus in one Embodiment of this invention. Exploded view of lining plate assembly part frame and lining plate support part frame in the same embodiment Diagram showing tunnel lining method Diagram showing tunnel lining method Diagram showing tunnel lining method Diagram showing tunnel lining method Diagram showing tunnel lining method Diagram showing tunnel lining method Diagram showing tunnel lining method Diagram showing tunnel lining method Diagram showing tunnel lining method Diagram showing tunnel lining method Diagram showing tunnel lining method Diagram showing the schematic configuration of the panel connecting bracket Diagram showing the schematic configuration of the ring coupling bracket Diagram showing the mounting state of the ring coupling bracket

Embodiments of the present invention will be described below with reference to the drawings.
FIG. 1 is a diagram showing a schematic configuration of a tunnel lining apparatus according to an embodiment of the present invention. FIG. 2 is an exploded view of the lining plate assembly part frame and the lining plate support part frame constituting the tunnel lining apparatus. In addition, the left-right half part of FIG. 1 shows the cross section in a different position in the tunnel axial direction of a tunnel lining apparatus, respectively. Specifically, the right half of FIG. 1 corresponds to the right half of the AA cross section of FIG. 2, and the left half of FIG. 1 corresponds to the left half of the BB cross section of FIG. Further, in FIG. 1, a planned installation position of an arched lining plate ring 11 composed of a plurality of precast lining plates (hereinafter simply referred to as “lining plates”) 10 is indicated by broken lines. Here, the lining plate ring 11 corresponds to the “lining plate unit” of the present invention. The lining plate 10 is a plate-shaped member made of precast concrete manufactured in advance at a factory and having an arc-shaped cross section. The lining plate 10 has a thickness of about 10 cm, for example, and has a predetermined width (for example, 2 m width) in the tunnel axis direction.

The tunnel lining device 1 can be arranged in a mine of a new mountain tunnel that has been primarily covered with shotcrete 2.
The tunnel lining apparatus 1 includes a portal-type movable carriage (gantry) 4 that can travel on the tunnel floor 3 in the tunnel axis direction, and an arch-shaped cover arranged so as to cover the movable carriage 4 from above. The construction plate assembly portion frame 5 and an arch-shaped lining plate support portion frame 6 disposed so as to cover the movable carriage 4 from above are configured.

  The lining plate assembling part frame 5 is installed at the face end (one end) in the tunnel axis direction of the movable carriage 4 and is supported by the movable carriage 4. The lining plate support portion frame 6 is a portion adjacent to the portion of the moving carriage 4 where the lining plate assembly portion frame 5 is installed on the wellhead side (in other words, the lining plate assembly portion of the moving carriage 4. A portion adjacent to the portion in which the frame 5 is disposed in the tunnel axis direction) is supported by the movable carriage 4.

A gap 7 is formed between the lining plate assembly portion frame 5 and the lining plate support portion frame 6. The gap 7 is large enough to pass the end form 8 (see FIG. 12B described later).
Support concrete 9 is constructed in advance at both ends (both left and right side portions) of the tunnel floor surface 3 in the tunnel width direction.

The movable carriage 4 has a predetermined length in the tunnel axis direction, and a pair of left and right rails laid on the tunnel floor 3 at the lower ends of the leg portions 41 at the front and rear ends (ends in the tunnel axis direction). A self-propelled device 43 that moves on 42L and 42R is provided. Here, each of the rails 42L and 42R extends with a predetermined length in the tunnel axis direction. In the present embodiment, the mobile carriage 4 travels by the self-propelling device 43, but the travel form is not limited to this, and for example, the mobile carriage 4 is pulled by a towing device such as an electric winch and travels. It may be configured.
In addition, an auxiliary jack (not shown) is provided at the lower end of each of the plurality of leg portions 41 located in the middle of the movable carriage 4 in the tunnel axis direction. This auxiliary jack restricts the movement of the movable carriage 4 when the movable carriage 4 stops.

An internal space 44 is formed inside the movable carriage 4 so that a work vehicle (for example, a projecting truck) can easily pass in the tunnel axis direction.
The moving carriage 4 is provided with a wind pipe 45 for blowing and a work scaffold (not shown). This work scaffold is used at the time of connecting the lining plates 10 to each other, at the time of filling material injection described later, and the like.

  The tunnel lining device 1 further includes a filler injection device (not shown). This filler injection device is configured to include a pumping pump (not shown) for pumping the filler and a plurality of pipes (not shown). These pressure feed pumps and a plurality of pipes are provided in the movable carriage 4. The tip of each pipe is configured to be attachable to an injection hole (not shown) formed through the lining plate 10. This filler injection device includes a filler 70 (described later) in a space S between a plurality of lining plate rings 11 supported by the lining plate supporter frame 6 and the inner peripheral surface of the tunnel (sprayed concrete 2). (See FIGS. 12A and 12B). Here, as the filler, for example, cement-based grout can be used.

  The lining plate assembly unit frame 5 includes an arch-shaped frame member 51 having a predetermined width (for example, 2 m width) in the tunnel axis direction, a plurality (six in FIG. 2) of panel conveying devices 52, and a plurality (in FIG. 2). 7) a ring conveyance device 53, a plurality of panel conveyance auxiliary rollers 54 rotatably provided on the frame member 51, and winch wire guides 55 and 56.

The frame member 51 is supported by the movable carriage 4 via a plurality of support columns.
The frame member 51 has a rectangular shape when viewed from the outer side in the tunnel radial direction toward the inner side, and the panel conveying device 52 and the ring conveying device 53 are alternately arranged in series along the circumferential direction of the tunnel at the opening in the rectangular shape. Has been placed.

  The panel transport device 52 includes a rectangular frame 52a and a plurality of (three in FIG. 2) rollers 52b that are rotatably attached to the frame 52a. The frame body 52 a is fixed to the frame member 51. In this fixed state, the three rollers 52b are arranged at intervals in the tunnel circumferential direction, and the central axis of each roller 52b is along the tunnel axis direction. Therefore, each roller 52b is rotatable about the central axis along the tunnel axis direction as the rotation center. A part of each roller 52b protrudes outside the frame body 52a and the frame member 51 in the tunnel radial direction and is exposed.

The ring conveying device 53 includes a rectangular frame 53a and a plurality of (four in FIG. 2) rollers 53b rotatably attached to the frame 53a. The frame 53a is supported by a plurality of jacks 57 provided on the movable carriage 4 so as to be movable up and down. Therefore, the ring conveying device 53 is connected to the movable carriage 4 via the jack 57.
Here, the jack 57 corresponds to the “jack for the assembly portion frame” of the present invention, and its base end portion is fixed to the movable carriage 4 and can be expanded and contracted in the tunnel radial direction. Further, a ring transport device 53 is provided at the tip of the jack 57.

In the present embodiment, the four rollers 53b constituting the ring conveying device 53 are arranged at intervals in the tunnel axis direction, and the central axis of each roller 53b is along the tunnel circumferential direction (tangential direction). . Therefore, each roller 53b is freely rotatable about the central axis along the tunnel circumferential direction. A part of each roller 53b protrudes outside the frame 53a in the tunnel radial direction and is exposed.
When the jack 57 is extended, the ring conveyance device 53 protrudes outward in the tunnel radial direction from the frame member 51 (see symbol α in FIG. 1). On the other hand, when the jack 57 is shortened, the ring transport device 53 is retracted inward in the tunnel radial direction to the extent that each roller 53b of the ring transport device 53 protrudes outward from the frame member 51 in the tunnel radial direction (FIG. 1). (See symbol β).

  Here, the ring conveyance device 53 and the jack 57 correspond to the “assembly unit frame conveyance unit” of the present invention, and cover the lining plate ring 11 formed by the lining plate assembly unit frame 5. A function of moving to the plate support part frame 6 can be realized. The ring conveying device 53 corresponds to the “covering plate unit conveying unit for assembling unit frame” of the present invention, and the roller 53 b can contact the covering plate ring 11.

  The plurality of panel conveyance auxiliary rollers 54 are rotatably provided at a portion adjacent to the ring conveyance device 53 on the outer surface of the frame member 51 in the tunnel radial direction. These panel conveyance auxiliary rollers 54 are arranged at intervals in the circumferential direction of the tunnel, and the center axis of each auxiliary roller 54 is along the tunnel axis direction. Therefore, each auxiliary roller 54 is rotatable about the central axis along the tunnel axis direction as the rotation center. A part of each auxiliary roller 54 protrudes outside the frame member 51 in the tunnel radial direction and is exposed.

The winch wire guide 55 is provided at both the face side end portion and the wellhead side end portion of the frame member 51, is made of channel steel, and extends along the frame member 51 from the lower right end of the frame member 51. It extends to the top of the. C inch wire guide 55 (see FIG. 3 (A) to be described later) fed from the wire W (described below FIG. 3 (A) and (B) refer) winch 21 provided on the upper portion of the cart 4 winch When wound by 21, it serves to guide the movement of the wire W. Here, the rotational drive source of the winch 21 may be an electric motor or a hydraulic motor.

The winch wire guide 56 is provided on both the face side end and the well end side end of the frame member 51, is made of channel steel, and extends along the frame member 51 from the lower left end of the frame member 51. It extends to the top of the. C inch wire guide 56, when fed from a winch provided on the upper portion of the cart 4 (not shown) wire (not shown) is wound by the winch, the role of guiding the movement of the wire Fulfill. The configuration of the winch here is the same as the configuration of the winch 21 described above, and therefore the description thereof is omitted.

  The lining plate support part frame 6 is formed by connecting a plurality of (six in FIG. 2) arch-shaped frame members 61 having a predetermined width (for example, 2 m width) in the tunnel axis direction to one span (for example, 12 m). ). The width of the frame member 61 is not limited to this. Further, the number of frame members 61 per span of the lining plate support part frame 6 is not limited to this.

The lining plate support part frame 6 includes a plurality (ten in FIG. 2) of ring conveying devices 63 for each frame member 61.
The frame member 61 is supported by the movable carriage 4 via a plurality of support columns.
In the present embodiment, the frame member 61 has a rectangular shape when viewed from the outer side in the tunnel radial direction toward the inner side, and ten ring transfer devices 63 are spaced from each other along the circumferential direction of the tunnel in the opening in the rectangular shape. Are arranged in series with a gap.

The ring conveying device 63 includes a rectangular frame 63a and a plurality of (five in FIG. 2) rollers 63b that are rotatably attached to the frame 63a. The frame 63a is supported by a plurality of jacks 67 provided on the movable carriage 4 so as to be movable up and down. Accordingly, the ring transport device 63 is connected to the movable carriage 4 via the jack 67.
Here, the jack 67 corresponds to the “supporting section frame jack” of the present invention, and its base end is fixed to the movable carriage 4 and is extendable in the tunnel radial direction. A ring transport device 63 is provided at the tip of the jack 67.

In the present embodiment, the five rollers 63b constituting the ring transport device 63 are arranged at intervals in the tunnel axis direction, and the central axis of each roller 63b is along the tunnel circumferential direction (tangential direction). . Therefore, each roller 63b is rotatable around the central axis along the circumferential direction of the tunnel. A part of each roller 63b protrudes outside the frame 63a in the tunnel radial direction and is exposed.
When the jack 67 is extended, the ring transport device 63 protrudes outward in the tunnel radial direction from the frame member 61 (see symbol γ in FIG. 1). On the other hand, when the jack 67 is shortened, the ring transport device 63 is retracted to the inner side in the tunnel radial direction to the extent that the rollers 63b of the ring transport device 63 project outside the frame member 61 and are not exposed.

  Here, the ring conveying device 63 and the jack 67 correspond to the “supporting part frame conveying means” of the present invention, and the lining plate ring 11 is disposed outside the lining plate supporting part frame 6 in the tunnel radial direction. The function of moving in the tunnel axis direction can be realized. The ring conveying device 63 corresponds to the “supporting part frame lining plate unit conveying portion” of the present invention, and the roller 63 b can contact the lining plate ring 11.

On the tunnel floors 3 on both the left and right sides of the movable carriage 4, lining plate temporary placement portions 31L and 31R for temporarily placing one or more lining plates 10 are provided (FIG. 6 to be described later). (See (A)).
In the present embodiment, a pair of left and right rails 32 </ b> L and 32 </ b> R extending in the tunnel axis direction from the wellhead side to the right lining plate temporary storage portion 31 </ b> R are laid on the tunnel floor 3. Here, in the present embodiment, the aforementioned rail 42R functions as the rail 32L.
In the present embodiment, a pair of left and right rails 33L and 33R extending in the tunnel axis direction from the wellhead side to the left lining plate temporary placement portion 31L are laid on the tunnel floor 3 (see FIG. 6A described later). )reference). Here, in the present embodiment, the rail 42L described above functions as the rail 33R.

A carriage 35L shown in FIG. 6 (A) can carry one or more lining plates 10 and can travel on rails 33L and 33R. This carriage 35L can travel from the tunnel entrance side to the temporary lining plate placement portion 31L with one or more lining plates 10 mounted thereon.
Similarly, a transport cart 35R shown in FIG. 3A can mount one or more lining plates 10 and can travel on rails 32L and 32R. The transport cart 35R can travel from the tunnel entrance side to the temporary lining plate placement portion 31R with one or more lining plates 10 mounted thereon.
Here, the transport carts 35L and 35R correspond to the “cart” of the present invention, and the tunnel lining apparatus 1 includes transport carts 35L and 35R.

  Next, a tunnel lining method using the tunnel lining apparatus 1 will be described with reference to FIGS. 3 to 13 in addition to FIGS. 1 and 2 described above. Here, FIG. 3A and FIG. 4A to FIG. 8A each correspond to the AA cross section of FIG. 3B, FIG. 8B to FIG. 10B, FIG. 11B, and FIG. 12B mainly show the lining plate assembly portion frame 5 and the lining plate support portion frame. 6 corresponds to the right side view of FIG. 11A and 12A correspond to the BB cross section of FIG. 2 described above. 13A and 13B show a covering body 15 formed using the tunnel covering apparatus 1. FIG.

In the tunnel lining method in the present embodiment, first, as shown in FIGS. 3A and 3B, the tunnel lining device 1 in which the jacks 57 and 67 are shortened is disposed in the mountain tunnel. In addition, a transport carriage 35 </ b> R loaded with a plurality of lining plates 10 is arranged in a lining plate temporary placement portion 31 </ b> R below the right end of the lining plate assembly portion frame 5.
Next, the tip portion of the wire W is connected to the lining plate 10 to be arranged at the top end of the tunnel by the temporary lining plate placement portion 31R (in other words, the lining plate 10 is slung). .

Next, as shown in FIG. 4A, the lining plate 10 is lifted by winding the wire W with the winch 21. Here, the winch 21 corresponds to the “lining plate pull-in device” of the present invention, and the lining plate 10 is moved from the temporary lining plate placement portion 31R to the outer side in the tunnel radial direction of the lining plate assembly portion frame 5. Realize the pull-in function.
Next, as shown in FIGS. 4B to 5A, the wire W is further wound up by the winch 21 to move the cover plate 10 to the upper part of the cover plate assembly part frame 5. At the time of this movement, the lining plate 10 comes into contact with the panel conveyance auxiliary roller 54 and the roller 52b of the lining plate assembling unit frame 5, and therefore, the rotation of the rollers 54 and 52b causes the lining plate 10 to move along the circumferential direction of the tunnel. It can be smoothly transported to the upper part of the lining plate assembly part frame 5. Here, the winch 21 for moving the lining plate 10 can also constitute the “assembly unit frame conveying means” of the present invention.

  After the lining plate 10 is moved to the upper portion of the lining plate assembly portion frame 5, the lining plate 10 is temporarily fixed to the upper portion of the lining plate assembly portion frame 5. In addition, about the lining plate 10 temporarily fixed, the hole for inserting the pin which is not shown in figure is formed previously. In addition, a hole for inserting a pin (not shown) is also formed in advance in the upper part of the lining plate assembly part frame 5 (for example, the upper part of the frame member 51). By inserting pins into these holes, the lining plate 10 is temporarily fixed to the upper portion of the lining plate assembly portion frame 5 via the pins. At this time, the lining plate 10 comes into contact with the panel conveyance auxiliary roller 54 and the roller 52b on the upper portion of the lining plate assembling unit frame 5, and is supported by the tunnel lining device 1 through these rollers 54 and 52b. The

  Next, as shown in FIGS. 5B to 7B, the tunnel circumferential direction is connected to each of the left and right end portions (that is, both ends in the tunnel circumferential direction) of the temporarily fixed lining plate 10. A plurality of lining plates 10 are connected in series along the, thereby forming an arched lining plate ring 11. In the formation of the lining plate ring 11, as shown in FIGS. 5 (B) to 7 (B), the lining plate 10 is alternately connected on the right side and the left side of the tunnel, so that both sides of the tunnel can be viewed. The lining plate ring 11 can be formed efficiently. Alternatively, in the formation of the lining plate ring 11, first, a plurality of lining plates 10 are connected in series along the circumferential direction of the tunnel to the left or right end of the temporarily fixed lining plate 10, and the covering is performed. Either one of the left and right sides of the plate ring 11 is formed, and then a plurality of lining plates 10 are connected in series along the circumferential direction of the tunnel to the other end of the temporarily fixed lining plate 10. The other side of the lining plate ring 11 may be formed. 5B and FIG. 6A, the method of lifting and transporting the lining plate 10 shown in the vicinity of the white arrow lifts the lining plate 10 up to the upper part of the lining plate assembling unit frame 5. Since it is the same as the above-mentioned method to convey, the description is abbreviate | omitted. Further, it goes without saying that the method of lifting the lining plate 10 constituting the left and right lower ends of the lining plate ring 11 shown in FIGS. 6 (B) and 7 (A) is the same.

The formed lining plate ring 11 comes into contact with the panel conveyance auxiliary roller 54 and the roller 52b of the lining plate assembling part frame 5, and is supported by the tunnel lining device 1 through these rollers 54 and 52b.
Therefore, in the lining plate assembly part frame 5, an arched lining plate ring 11 can be formed by connecting a plurality of lining plates 10 while supporting the plurality of lining plates 10 on the outer side in the tunnel radial direction.
In the present embodiment, the jack 57 is shortened while the lining plate ring 11 is being assembled in the lining plate assembling part frame 5, and the roller 53 b of the ring transport device 53 is moved from the lining plate ring 11. It is separated.

Here, the connection of the lining plates 10 constituting the lining plate ring 11 will be described with reference to FIG.
FIG. 14 is a diagram illustrating a schematic configuration of the panel connecting bracket. Specifically, FIG. 14 (A) is a view showing the panel connecting bracket when viewed from the outside in the tunnel radial direction toward the inside, and FIG. 14 (B) is a cross-sectional view taken along the line II in FIG. 14 (A). is there.

The panel connecting bracket 80 connects a pair of L-shaped brackets 81, a plurality of (four in FIG. 14) bolts 82 for fixing the L-shaped bracket 81 to the cover plate 10, and the L-shaped brackets 81. Bolt 83 and nut 84.
The L-shaped bracket 81 is made of angle steel and is composed of two plate-like portions 81a and 81b that are orthogonal to each other.

The plate-like portion 81a comes into surface contact with the outer surface of the lining plate 10 (surface on the outer side in the tunnel radial direction). A plurality of (two in FIG. 14) holes 81c for inserting the bolts 82 are formed through the plate-like portion 81a.
The plate-like portion 81 b projects outward in the tunnel radial direction from the outer surface of the lining plate 10 when the plate-like portion 81 a is in surface contact with the outer surface of the lining plate 10. A hole 81d for inserting a bolt 83 is formed through the plate-like portion 81b.
Bolt mounting holes 82 a each having an internal thread portion screwed into an external thread portion of the bolt 82 are formed on the outer surfaces (surfaces on the outer side in the tunnel radial direction) of both ends in the tunnel circumferential direction of the lining plate 10.

With respect to the lining plates 10 connected adjacent to each other in the tunnel circumferential direction, L-shaped metal fittings 81 are attached to the outer surfaces of the respective connected end portions. The above-described bolt 82 is used to attach the L-shaped bracket 81. When the L-shaped bracket 81 is attached to each lining plate 10, the plate-like portions 81b and the holes 81d of the L-shaped bracket 81 face each other in the tunnel circumferential direction. By tightening the opposing L-shaped metal parts 81 with bolts 83 and nuts 84, the lining plates 10 are fixed to each other via the panel connecting metal parts 80.
In the present embodiment, the two panel connection fittings 80 are used in the connection portion between the lining plates 10, but the number of panel connection fittings 80 used in the connection portion is not limited thereto. Moreover, in this embodiment, although the panel connection metal fitting 80 is used for the connection between the lining plates 10, the connection method of the lining plates 10 is not limited to this, and for example, using a so-called one-pass type joint metal fitting. The lining plates 10 may be connected to each other.

When assembling the lining plate ring 11 in the lining plate assembling section frame 5, it is temporarily fixed to the top end of the inner peripheral surface of the tunnel (the top end of the shotcrete 2) and the top of the lining plate assembling section frame 5. The distance to the lining plate 10 is such a distance that an operator can perform a connecting operation between the lining plates 10 using the panel connecting bracket 80, and is, for example, about 50 cm to 1 m.

  Returning to FIG. 7 (B), when the formation of the lining plate ring 11 is completed, the temporary fixing pins are removed, and the jacks 57 and 67 are extended as shown in FIGS. 8 (A) and 8 (B). Let Thereby, the lining plate ring 11 rises. At this time, the distance between the top end of the inner peripheral surface of the tunnel (the top end of the shotcrete 2) and the upper end portion of the lining plate ring 11 is, for example, about 20 cm. Therefore, in the present embodiment, after the cover plate ring 11 is assembled in the cover plate assembly part frame 5, the jack 57 extends and the roller 53 b of the ring transport device 53 contacts the cover plate ring 11. Then, the lining plate ring 11 is supported.

  Next, as shown in FIGS. 9A and 9B, the wrapping plate ring 11 is pulled from the lining plate assembling part frame 5 to the wellhead side by a winch (not shown) or the like, so that the ring conveying devices 53, 63 are obtained. Then, the lining plate ring 11 is moved to the end portion on the wellhead side of the lining plate supporting portion frame 6. During this movement, the lining plate ring 11 comes into contact with the roller 53b of the lining plate assembling section frame 5 and the roller 63b of the lining plate support section frame 6, so that the lining is performed by the rotation of these rollers 53b and 63b. The plate ring 11 can be smoothly conveyed in the tunnel axis direction. Here, the above-described winch or the like that pulls the lining plate ring 11 toward the wellhead side can also constitute the “supporting part frame conveying means” of the present invention. The jack 67 extends when the lining plate ring 11 is moved in the tunnel axial direction, and the roller 63b of the ring transport device 63 contacts the lining plate ring 11 to support the lining plate ring 11. To do.

Next, the lining plate ring 11 that has been moved to the end of the lining plate supporting portion frame 6 is connected and fixed to the existing lining plate ring 11 s using the ring connecting metal 90. The connection between the lining plate rings 11 and 11s will be described with reference to FIGS.
FIG. 15 is a diagram illustrating a schematic configuration of the ring coupling metal 90. Specifically, FIG. 15 (A) is a plan view of the ring connection fitting 90, and FIG. 15 (B) is a side view of the ring connection fitting 90. FIG. 16 is a view showing an attached state of the ring coupling metal 90. Specifically, FIG. 16 (A) is a view showing a mounting state of the ring connecting metal fitting 90 when viewed from the outside in the tunnel radial direction toward the inside, and FIG. It is II sectional drawing.

As shown in FIG. 15, the ring coupling metal 90 is composed of a rod-shaped main body portion 91 and plate-like portions 92 provided at both ends thereof. The plate-like portion 92 is formed with an engaging recess 93 in which the male screw portion of the bolt 83 can be engaged.
At the time of connecting the lining plate rings 11 and 11s, the engagement recess 93 at one end of the ring connecting metal 90 is used as the male screw of the bolt 83 of the panel connecting metal 80 attached to the existing covering plate ring 11s. Hook the part. Thereafter, the engaging recess 93 at the other end of the ring connecting metal 90 is hooked on the male thread portion of the bolt 83 of the panel connecting metal 80 attached to the cover plate ring 11. Thereby, even if the external force which goes to the face side acts on the lining plate ring 11, the movement of the lining plate ring 11 to the face side is restricted by the ring connection metal fitting 90. In addition, when the external force which goes to the wellhead side acts on the lining plate ring 11, since the lining plate ring 11 is contact | abutted to the existing lining plate ring 11s, the movement to the wellhead side is restrict | limited. . In the present embodiment, the ring connecting metal fitting 90 is used for connecting the lining plate rings, but the connecting method of the lining plate rings is not limited to this, for example, using a so-called one-pass fitting metal fitting. The lining plate rings may be connected to each other.

In the present embodiment, the mounting method of the ring connecting bracket 90 is simply because the engaging recess 93 of the ring connecting bracket 90 is only hooked on the male thread portion of the bolt 83 of the panel connecting bracket 80 as described above. The ring connecting bracket 90 can be attached to the ring. The attachment of the ring connecting metal 90 is facilitated by the operator getting out of the opening 69 (see FIG. 9B) between the ring conveying devices 63 in the lining plate support frame 6 and reaching out. Can be realized.

  After the lining plate ring 11 moved to the end of the lining plate support portion frame 6 is connected and fixed to the existing lining plate ring 11s using the ring connecting metal 90, FIG. And as shown to (B), the assembly of the cover plate ring 11 in the cover plate assembly part frame 5, the movement of the cover plate ring 11 to the wellhead side by the ring conveying devices 53 and 63, and the ring connecting bracket The connection of the lining plate rings 11 using 90 is repeated. Thereby, in the lining plate support part frame 6, a plurality (six in FIG. 10B) of lining plate rings 11 (that is, the lining plate ring 11 for one span) are connected in series in the tunnel axis direction. Is done. The connected lining plate rings 11 for one span are supported by the lining plate support part frame 6.

Next, as shown in FIGS. 11A and 11B, a plurality of leg support brackets 96 are installed between the lower end of the lining plate ring 11 and the existing support concrete 9, and the leg support brackets 96 are installed. Is used to adjust the height of the lining plate ring 11.
Next, as shown in FIGS. 12A and 12B, the mold 99 is installed so as to close the gap between the lower end of the lining plate ring 11 and the existing supporting concrete 9, and the wife mold 8 is installed. Here, the wife form 8 can be arranged in the space S through the gap 7 (see FIG. 2) from the tunnel lining device 1. In the present embodiment, the end form 8 is provided at the center portion in the tunnel axial direction of the lining plate ring 11 located closest to the face of the lining plate ring 11 for one span. The installation position of the mold 8 is not limited to this. For example, the end frame 8 may be provided at the face side end portion of the lining plate ring 11 located closest to the face among the lining plate rings 11 for one span. In this case, instead of using the above-described ring coupling metal fitting 90, the lining plate rings are coupled to each other using, for example, a so-called one-pass type joint metal.

  Next, as shown in FIGS. 12 (A) and 12 (B), the above filler filling device is used to cover one span of the space S supported by the lining plate supporter frame 6. By the plate ring 11, the existing lining plate ring 11s, the inner peripheral surface of the tunnel (sprayed concrete 2), the existing filler 70s, the end form frame 8, the form frame 99, and the supporting concrete 9 Filler 70 is injected into the section to be partitioned.

When the filler 70 is cured and the arch-shaped covering body 15 including the covering plate ring 11 for one span and the filler 70 can be self-supported, the jacks 57 and 67 are shortened, and the tunnel covering apparatus 1 is shortened. Is moved to the next construction site on the face side (see FIGS. 13A and 13B). Therefore, the jacks 57 and 67 are shortened when the movable carriage 4 travels, and the ring conveying device 63 is separated from the lining plate ring 11.
By repeating the above steps, the lining body 15 is constructed sequentially toward the face side. In this embodiment, since the thickness of the lining plate 10 ( lining plate ring 11) is about 10 cm and the thickness of the cured filler 70 is about 20 cm, the thickness of the lining body 15 is It is about 30 cm.
In this way, tunnel lining is performed using the tunnel lining apparatus 1.

  According to this embodiment, the tunnel lining apparatus 1 is an apparatus used for lining the inner peripheral surface of a tunnel. The tunnel lining apparatus 1 is a portal-type moving carriage 4 that can travel on the tunnel floor 3 in the tunnel axis direction, and is installed at one end of the moving carriage 4 in the tunnel axis direction and supported by the moving carriage 4. An arch-shaped lining plate assembly part frame 5 and an arch that is installed in a part adjacent to the part of the moving carriage 4 where the lining plate assembly part frame 5 is installed in the tunnel axis direction and supported by the moving carriage 4 And a lining plate support part frame 6 in the form of a ring. In the lining plate assembly part frame 5, an arched lining plate unit (covering plate ring 11) can be formed by connecting a plurality of lining plates 10 in an arch shape while supporting the plurality of lining plates 10 on the outer side in the tunnel radial direction. It is. The lining plate support frame 6 can support a plurality of lining plate units (lining plate ring 11) in a state where a plurality of lining plate units (lining plate ring 11) are connected in series in the tunnel axial direction. is there. Thereby, formation of a lining plate unit (covering plate ring 11) and integration of a plurality of lining plate units (covering plate ring 11) are performed at and near the lining portion in the tunnel. Therefore, tunnel lining work can be performed efficiently.

  Further, according to the present embodiment, the lining plate assembly unit frame 5 moves the lining plate unit (covering plate ring 11) formed by the lining plate assembly unit frame 5 to the lining plate support unit frame 6. Assembly unit frame transport means (ring transport device 53 and jack 57) to be provided are provided. Thereby, the lining plate unit (covering plate ring 11) formed in the lining plate assembly part frame 5 can be smoothly moved to the lining plate support part frame 6. FIG.

  Further, according to the present embodiment, the assembly unit frame transport means (ring transport device 53 and jack 57) has an assembly unit frame jack (jack) whose base end is fixed to the movable carriage 4 and can be expanded and contracted in the tunnel radial direction. 57) and an assembly unit frame lining plate unit transport unit (ring transport device 53) which is provided at the tip of the assembly unit frame jack (jack 57) and can contact the lining plate unit (covering plate ring 11). ). In the middle of assembling the lining plate unit (lining plate ring 11) in the lining plate assembling section frame 5, the assembling section frame jack (jack 57) is shortened, and the assembling section frame lining plate unit. After the transport unit (ring transport device 53) is separated from the cover plate unit (cover plate ring 11), the cover plate unit (cover plate ring 11) is assembled by the cover plate assembly unit frame 5. The assembly unit frame jack (jack 57) extends, and the assembly unit frame lining plate unit transport unit (ring transport device 53) contacts the lining plate unit (cover plate ring 11). The plate unit (backing plate ring 11) is supported. Accordingly, when the assembly unit frame jack (jack 57) is shortened, the lining plate unit (covering plate ring) is brought into contact with the lining plate assembly unit frame 5 without bringing the lining plate 10 and the ring transport device 53 into contact with each other. 11) can be smoothly assembled. Further, when the assembly unit frame jack (jack 57) is extended, the lining plate unit (covering plate ring 11) comes into contact with the ring conveying device 53 and is supported by the ring conveying device 53 in the lining plate assembling unit frame 5. Therefore, the lining plate unit (covering plate ring 11) can be smoothly moved without bringing the lining plate unit (covering plate ring 11) into contact with the panel transfer device 52, the panel transfer auxiliary roller 54, and the frame member 51. It can be moved in the tunnel axis direction.

  In addition, according to the present embodiment, the lining plate support portion frame 6 is a support portion frame conveying means (ring) for moving the lining plate unit (covering plate ring 11) in the tunnel axial direction outside the tunnel radial direction. A transport device 63 and a jack 67) are provided. Thereby, the lining plate unit (lining plate ring 11) can be smoothly moved in the tunnel axis direction.

  Further, according to the present embodiment, the support unit frame transport means (ring transport device 63 and jack 67) is a support unit frame jack (jack) whose base end is fixed to the movable carriage 4 and can be expanded and contracted in the tunnel radial direction. 67), and a support part frame lining plate unit transporting part (ring transporting device 63) which is provided at the tip of the support part frame jack (jack 67) and can contact the lining plate unit (covering plate ring 11). ). The support portion frame jack (jack 67) extends when the lining plate unit (covering plate ring 11) is moved in the tunnel axial direction, and the support portion frame lining plate unit transport portion (ring transport device). 63) contacts the lining plate unit (lining plate ring 11) to support the lining plate unit (lining plate ring 11), while the support frame jack (jack 67) is driven by the movable carriage 4. When this is done, the support frame frame lining plate unit transport portion (ring transport device 63) is separated from the lining plate unit (cover plate ring 11). As a result, when the support unit frame jack (jack 67) is extended, the lining plate unit (covering plate ring 11) comes into contact with the ring conveying device 63 at the lining plate supporting unit frame 6 and the ring conveying device 63 Since it is supported, the lining plate unit (covering plate ring 11) can be smoothly moved in the tunnel axis direction without bringing the lining plate unit (covering plate ring 11) into contact with the frame member 61. Further, when the support frame jack (jack 67) is shortened, the ring conveying device 63 is separated from the lining plate unit (lining plate ring 11), so that the filler 70 is cured when the tunnel lining device 1 is moved. Thus, the tunnel lining apparatus 1 can be prevented from coming into contact with the lining body 15 including the lining plate unit (covering plate ring 11) that can be self-supported.

  Further, according to the present embodiment, on the tunnel floor surface 3 on the side of the movable carriage 4, temporary lining plate placement portions 31 </ b> L and 31 </ b> R for temporarily placing the lining plate 10 are provided. Thereby, since it is not necessary to temporarily place the lining plate 10 in the internal space 44 described above, it is possible to prevent the passage where the work vehicle travels from being blocked by the temporarily placed lining plate 10. .

  Moreover, according to this embodiment, the tunnel lining apparatus 1 can be mounted with one or more lining plates 10 and can travel on the tunnel floor 3 in the tunnel axial direction (transport cart 35L, 35R). The carts (transport carts 35L, 35R) can travel from the tunnel entrance side to the temporary lining plate placement portions 31L, 31R with one or more lining plates 10 mounted thereon. Thereby, the lining plate 10 can be transported efficiently without using the work vehicle traveling passage in the internal space 44.

  Moreover, according to this embodiment, the tunnel lining device 1 is a lining plate retracting device that draws the lining plate 10 from the temporary laying plate placement portions 31L and 31R to the outside of the lining plate assembly portion frame 5 in the tunnel radial direction ( For example, a winch 21) is further included. Thereby, it is possible to draw the lining plate 10 to the panel conveying device 52 and the panel conveying auxiliary roller 54 of the lining plate assembling unit frame 5 with a relatively simple configuration.

  Further, according to the present embodiment, the tunnel lining device 1 includes a space between a plurality of lining plate units (covering plate ring 11) supported by the lining plate support part frame 6 and the inner peripheral surface of the tunnel. A filler injection device for injecting filler 70 into S is further included. Thereby, the filler 70 can be inject | poured in the space S using a filler injection apparatus in the state in which the lining plate unit (lining plate ring 11) was supported by the lining plate support part frame 6. FIG.

  Further, according to the present embodiment, the gap 7 is formed between the lining plate assembly part frame 5 and the lining plate support part frame 6. The wife form 8 for injecting the filler 70 can be disposed in the space S from the tunnel lining apparatus 1 through the gap 7. Thereby, the wife formwork 8 can be installed easily.

  According to the present embodiment, in forming the lining plate unit (covering plate ring 11) in the lining plate assembling part frame 5, first, the top end portion of the lining plate unit (covering plate ring 11) is configured. The lining plate 10 to be temporarily fixed to the upper portion of the lining plate assembly portion frame 5, and then connected to both ends of the tunnel circumferential direction of the temporarily fixed lining plate 10 along the tunnel circumferential direction. By connecting a plurality of lining plates 10 in series, an arched lining plate unit (lining plate ring 11) is formed (see FIGS. 3A to 7B). Thus, the lining plate unit (the lining plate ring) is efficiently connected from the left and right sides of the tunnel by, for example, connecting the lining plates 10 alternately on the right side and the left side of the tunnel in the lining plate assembly unit frame 5. 11) can be formed.

  Moreover, according to this embodiment, the said one end part which the lining plate assembly part frame 5 installs among the mobile trolley | bogies 4 is a face side end part of a tunnel. Thereby, the construction of the covering body 15 can be advanced by the tunnel covering apparatus 1 following the tunnel excavation.

  Moreover, according to this embodiment, the panel coupling metal 80 and the ring coupling metal 90 are provided on the outer surface in the tunnel radial direction of the cover plate unit (cover plate ring 11). As a result, it is possible to prevent the metal fitting for connecting the lining plates 10 from being exposed on the inner peripheral surface of the lining plate unit (covering plate ring 11). While falling can be suppressed, the inner peripheral surface of the lining plate unit (covering plate ring 11) can be made smooth.

  Further, according to the present embodiment, the tunnel lining method using the tunnel lining device 1 includes a plurality of lining plate units (covering plate ring 11) supported by the lining plate supporter frame 6 and the inside of the tunnel. This includes disposing the wife form frame 8 for injecting the filler 70 injected into the space S between the peripheral surface and the inside of the tunnel lining device 1 into the space S through the gap 7. Thereby, the wife formwork 8 can be installed easily.

  Further, according to the present embodiment, the tunnel lining method using the tunnel lining device 1 includes the lining plate assembling unit for the lining plate 10 constituting the top end portion of the lining plate unit (covering plate ring 11). A plurality of lining plates 10 are connected in series along the tunnel circumferential direction so as to be connected to both ends of the temporarily fixed lining plate 10 in the tunnel circumferential direction. And a step of forming an arched lining plate unit (lining plate ring 11) (see FIGS. 3A to 7B). Thus, the lining plate unit (the lining plate ring) is efficiently connected from the left and right sides of the tunnel by, for example, connecting the lining plates 10 alternately on the right side and the left side of the tunnel in the lining plate assembly unit frame 5. 11) can be formed.

  In addition, in this embodiment, as shown to FIG. 12 (A) and (B), 1 is supported by the lining plate support part frame 6 among the above-mentioned space S using the above-mentioned filler injection apparatus. The lining plate ring 11 for the span, the existing lining plate ring 11s, the inner peripheral surface of the tunnel (sprayed concrete 2), the existing filler 70s, the end form 8, the form 99, and the support The filler 70 is injected into the portion partitioned by the concrete 9, but the method of injecting the filler 70 is not limited to this. For example, instead of using the wife form 8, the filler 70 is sprayed into the portion to be injected from the wife side (face side) of the portion where the filler 70 is to be injected in the space S described above. The filler 70 may be injected into the planned injection portion. In this case, the spraying device that sprays the filler 70 into the portion to be injected can correspond to the “filler injection device” of the present invention. In this case, since it is not necessary to form the aforementioned injection hole for injecting the filler 70 in the lining plate 10, there is no possibility that a member or the like for closing the injection hole will fall into the tunnel. In addition, the inner peripheral surface of the lining plate ring 11 can be made smooth.

  Further, in the present embodiment, when the tunnel lining device 1 is moved and the lining plate ring 11 is assembled, the jacks 57 and 67 are shortened to the most retracted position, thereby covering the ring conveying devices 53 and 63. Separated from the plate ring 11. Further, when the lining plate ring 11 is moved in the tunnel axis direction and when the filler 70 is injected, the jacks 57 and 67 are extended to the most protruding position, so that the ring conveying devices 53 and 63 are attached to the lining plate ring 11. Make contact possible. However, the expansion / contraction form of the jacks 57 and 67 is not limited to this. For example, when the tunnel lining device 1 is moved and the lining plate ring 11 is assembled, the jacks 57 and 67 are shortened to the most retracted position, so that the ring conveying devices 53 and 63 are removed from the lining plate ring 11. By separating and extending the jacks 57 and 67 to the intermediate position when the lining plate ring 11 moves in the tunnel axis direction, the ring conveying devices 53 and 63 can contact the lining plate ring 11, and the filler 70 At the time of injection, only the jack 67 is further extended to the maximum projecting position, so that the cover plate ring 11 may be further raised by the ring conveying device 63.

  In the present embodiment, the tunnel lining device 1 is used for lining a new tunnel. However, the form of the tunnel using the tunnel lining device 1 is not limited to this. For example, the tunnel lining device 1 is installed. It may be used for tunnel lining.

  In this embodiment, the tunnel lining device 1 is used for mountain tunnel lining. However, the form of the tunnel using the tunnel lining device 1 is not limited to this. After the construction of the lining body, the tunnel lining apparatus 1 can be used to cover the tunnel.

  The illustrated embodiments are merely examples of the present invention, and the present invention is not limited to those directly described by the described embodiments, and various improvements and modifications made by those skilled in the art within the scope of the claims. Needless to say, it encompasses changes.

  DESCRIPTION OF SYMBOLS 1 ... Tunnel lining apparatus, 2 ... Spray concrete, 3 ... Tunnel floor surface, 4 ... Moving cart, 5 ... Covering plate assembly part frame, 6 ... Covering plate support part frame, 7 ... Gap, 8 ... Wife formwork , 9 ... supporting concrete, 10 ... precast lining plate, 11, 11s ... lining plate ring, 15 ... lining body, 21 ... winch, 31L, 31R ... temporary laying portion of lining plate, 32L, 32R, 33L, 33R 42L, 42R ... rail, 35L, 35R ... transport cart, 41 ... leg, 43 ... self-propelled device, 44 ... internal space, 45 ... wind pipe, 51, 61 ... frame member, 52 ... panel transport device, 52a, 53a, 63a ... Frame body, 52b, 53b, 63b ... Roller, 53, 63 ... Ring transport device, 54 ... Panel transport auxiliary roller, 55, 56 ... Winch wire guide, 57, 67 ... Jack, 69 ... Opening, 70 , 7 s ... filler, 80 ... panel connecting bracket, 81 ... L-shaped bracket, 81a, 81b ... plate-like portion, 81c, 81d ... hole, 82,83 ... bolt, 82a ... bolt mounting hole, 84 ... nut, 90 ... ring Connecting bracket, 91 ... main body, 92 ... plate-like portion, 93 ... engaging recess, 96 ... leg support bracket, 99 ... mold, S ... space, W ... wire.

Claims (11)

A device used for lining the inner peripheral surface of a tunnel,
A portal-type mobile trolley that can run in the tunnel axis direction on the tunnel floor,
An arched lining plate assembly part frame installed at one end in the tunnel axial direction of the movable carriage and supported by the movable carriage;
An arched lining plate support portion frame installed in a portion adjacent to the portion where the lining plate assembly portion frame is installed in the moving carriage and supported by the moving trolley;
Comprising
In the lining plate assembly part frame, it is possible to form an arched lining plate unit by connecting in an arch shape while supporting a plurality of precast lining plates on the outer side in the tunnel radial direction,
Wherein in the lining plate支保unit frame, Ri can support der a plurality of the lining plate unit a plurality of the lining plate unit in a state linked in series to the tunnel axis,
The lining plate assembling unit frame includes a tunnel lining device provided with a conveying unit for an assembling unit frame that moves the lining plate unit formed by the lining plate assembling unit frame to the lining plate supporting unit frame. . The assembly unit frame transport means is provided at an assembly unit frame jack whose base end is fixed to the movable carriage and can be expanded and contracted in a tunnel radial direction, and at a distal end of the assembly unit frame jack, and An assembly unit frame lining plate unit transport unit that can come into contact with the plate unit,
While the lining plate unit is being assembled in the lining plate assembly section frame, the assembly section frame jack is shortened, and the lining plate unit transport section for the assembly section frame is used as the lining plate unit. While moving away from
After the lining plate unit is assembled in the lining plate assembly section frame, the assembly section frame jack extends and the assembly section frame lining plate unit transport section becomes the lining plate unit. The tunnel lining apparatus according to claim 1 , wherein the tunnel lining apparatus is in contact with and supports the lining plate unit. 3. The tunnel lining according to claim 1, wherein the lining plate support part frame includes support part frame conveying means for moving the lining plate unit in the tunnel axial direction outside the tunnel radial direction. apparatus. The support part frame transport means is provided at a support part frame jack whose base end part is fixed to the movable carriage and can be expanded and contracted in a tunnel radial direction, and at a tip part of the support part frame jack. A support unit frame lining plate unit transport unit that can come into contact with the plate unit,
The support portion frame jack extends when the lining plate unit is moved in the tunnel axis direction, and the support portion frame lining plate unit transport portion comes into contact with the lining plate unit to cover the covering plate unit. While supporting the plate unit
4. The tunnel lining according to claim 3 , wherein the support unit frame jack is shortened when the movable carriage travels, and the support unit frame lining plate unit transport unit is separated from the lining plate unit. apparatus. The lining plate temporary placement part for temporarily placing the said precast lining plate is provided on the tunnel floor surface of the side of the said mobile trolley, It is any one of Claims 1-4 . Tunnel lining equipment. One or more precast lining plates can be mounted, and further includes a carriage capable of traveling in the tunnel axial direction on the tunnel floor,
The tunnel lining apparatus according to claim 5 , wherein the carriage is capable of traveling from a tunnel entrance side to the lining plate temporary storage portion in a state where one or more precast lining plates are mounted. Further comprising constituted the lining plate drawing device to draw the precast lining plate from the lining plate temporary section tunnel radially outwardly of the lining plate assembly frame, according to claim 5 or claim 6 Tunnel lining equipment. The apparatus further comprises a filler injection device that injects a filler into a space between a plurality of the lining plate units supported by the lining plate support part frame and an inner peripheral surface of the tunnel. The tunnel lining apparatus according to any one of claims 1 to 7 . A tunnel lining method using the tunnel lining device according to any one of claims 1 to 8 ,
A gap is formed between the lining plate assembly part frame and the lining plate support part frame,
The tunnel lining device includes a wife mold frame for injecting a filler to be injected into a space between a plurality of the lining plate units supported by the lining plate support part frame and an inner peripheral surface of the tunnel. A tunnel lining method comprising disposing the interior of the space through the gap. A tunnel lining method using the tunnel lining device according to any one of claims 1 to 8 ,
Temporarily fixing a precast lining plate constituting the top end portion of the lining plate unit to the upper portion of the lining plate assembly unit frame;
By connecting a plurality of precast lining plates in series along the circumferential direction of the tunnel so as to be connected to both ends in the circumferential direction of the tunnel of the temporarily fixed precast lining plate, the arched lining plate unit Forming a step;
Tunnel lining method including A tunnel lining method for lining the inner peripheral surface of a tunnel using a tunnel lining device ,
The tunnel lining device is
A portal-type mobile trolley that can run in the tunnel axis direction on the tunnel floor,
An arched lining plate assembly part frame installed at one end in the tunnel axial direction of the movable carriage and supported by the movable carriage;
An arched lining plate support portion frame installed in a portion adjacent to the portion where the lining plate assembly portion frame is installed in the moving carriage and supported by the moving trolley;
Comprising
In the lining plate assembly part frame, it is possible to form an arched lining plate unit by connecting in an arch shape while supporting a plurality of precast lining plates on the outer side in the tunnel radial direction,
Wherein in the lining plate支保unit frame, Ri can support der a plurality of the lining plate unit a plurality of the lining plate unit in a state linked in series to the tunnel axis,
A gap is formed between the lining plate assembly part frame and the lining plate support part frame,
The lining method is:
The tunnel lining device includes a wife mold frame for injecting a filler to be injected into a space between a plurality of the lining plate units supported by the lining plate support part frame and an inner peripheral surface of the tunnel. A tunnel lining method comprising disposing the interior of the space through the gap.