JP2002038889A - Segment for constructing passage and door of multiple tunnel and construction method for passage and door - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide segments for constructing a passage and a door of a multiple tunnel which themselves have high rigidity and can be easily installed in the ease of use. SOLUTION: The present invention is structurally formed to bear the vertical load of the passage to be constructed and comprises passage support segments 6, 6 which are equipped with segment joints 8 and ring joints 9 with which to join adjacent segments and installed at the right and left sides of the passage to be constructed, and girder segments 7, 7 which are equipped with segment joints 8 and ring joints 9 with which to join adjacent segments and installed at the upper and lower sections of the passage to be constructed.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a segment for constructing a passage or door in a multiple tunnel such as a double or triple tunnel and a method for constructing a passage or door using the segment.

[0002]

2. Description of the Related Art FIG. 18 is a longitudinal sectional front view showing a conventional technique for constructing an evacuation passage and an evacuation door for moving to a tunnel adjacent to a double shield tunnel, and FIG.
FIG. 2 is a vertical sectional side view taken along line HH of FIG.

In the prior art shown in FIGS. 18 and 19, a double shield tunnel 41 is dug by a double shield machine (not shown). After digging a required distance in the axial direction in the double shield tunnel 41, the outer peripheral segment 43 is carried in, and the outer peripheral segment 43 is connected via a segment joint 45 and a ring joint 46 to be assembled. Next, the pillar segments 44 are arranged between the tunnels 42 adjacent to each other, and the upper and lower portions of each pillar segment 44 are connected to the outer peripheral segment 43 via the segment joint 45. When an evacuation passage or an evacuation door is to be constructed at a predetermined position in the axial direction of the double shield tunnel 41, the pillar segment 44 is temporarily removed by the support, the column segment 44 is removed, and the partition wall and the door frame are constructed again. .

[0004] In Figs. 18 and 19, reference numeral G denotes ground, and reference numeral 39 denotes invert.

Next, FIG. 20 is a vertical sectional front view showing a conventional technique for constructing a subway station home door between triple shield tunnels, and FIG. 21 is a vertical sectional side view taken along line II of FIG.

In the prior art shown in FIGS. 20 and 21, a triple shield tunnel 47 having a central tunnel 48 and tunnels 49 and 50 on both sides thereof is formed by a triple shield machine (not shown). Dig in. After excavating the required distance in the axial direction through the triple shield tunnel 47,
The outer peripheral segment 52 is carried in, and the outer peripheral segment 52 is
Assemble. At the time of assembling the outer peripheral segment 52, a temporary column 53 is assembled for each ring, one of the temporary columns 53 is set as a main column 54, and the upper and lower portions of the main column 54 are set as a girder structure 55. 53 is removed. After removing the temporary pillar 53, a new partition wall 57 and a door frame 5 are provided separately from the main pillar 54.
8 and a home door 56 is installed.

In FIG. 20 and FIG. 21, reference symbol G denotes the ground, reference numeral 51 denotes the home, reference numeral 59 denotes the invert, and reference numeral 6 denotes the home.
0 indicates the building limit.

[0008]

By the way, for example, tunnels 4 adjacent to each other of a double shield tunnel 41 are used.
The prior art for installing an evacuation passage or an evacuation door for moving to the area 2, 42 has the following problems.

That is, the pillar segments 44 conventionally used for the double shield tunnel 41 cannot be arranged at a certain interval or more due to the structural necessity of the tunnel. Therefore, the distance between the pillar segments 44 cannot be made large, and there is a problem that it is difficult to secure a section defined as an evacuation passage or an evacuation door.

In the case of constructing an evacuation passage or an evacuation door,
Since the pillar segments 44 need to be removed and the partition walls and door frames need to be rebuilt after temporarily receiving them by large-scale support work, there is a problem that the number of construction steps increases and the cost increases.

[0011] For example, the conventional technique of installing the home door 56 in the triple shield tunnel 47 in a subway station has the following problems.

That is, between the tunnels 48 and 49 adjacent to the triple shield tunnel 47 and the tunnels 48 and 5
When constructing the home door 56 at a predetermined position between 0, as described above, when assembling the outer peripheral segment 52, the temporary pillar 53 is assembled for each ring, and one of the temporary pillars 53 is used as the main pillar 54. After the upper and lower portions of the main pillar 54 are formed into a girder structure 55, the temporary pillar 53 is removed.

As described above, since most of the temporary pillars 53 are removed, the main pillars 54 need to have a large rigidity, and there is a problem that the construction becomes large-scale.

Further, since the temporary pillar 53 needs to be removed, the girder structure 55 needs to be constructed, and the partition wall 57 and the door frame 58 need to be constructed separately from the main pillar 54, the number of construction steps is large and the cost is high. There was also.

The present invention has been made in view of the above circumstances, and an object of the present invention is to construct a passage or door for a multiple tunnel, in which the rigidity of the segment itself is large and which can be easily attached in use. In providing segments.

Another object of the present invention is to use the segment according to the present invention to secure a cross section defined as a passage or door, to construct a passage or door with a small number of construction steps, and to further reduce costs. An object of the present invention is to provide a method of constructing a passage or door of a multiple tunnel that can be achieved.

[0017]

In order to achieve the above-mentioned object, a segment for constructing a passage of a multiple tunnel according to the present invention is formed in a structure capable of receiving a vertical load of a passage to be constructed and is adjacent to the segment. Passage strut segments having joints for coupling with the segments and installed on the left and right of the passage to be constructed, and girders having joints for coupling with adjacent segments and being installed above and below the passage to be constructed And segments.

In order to achieve the above object, a segment for constructing a door of a multiple tunnel according to the present invention is formed in a structure capable of receiving a vertical load of a door to be constructed, and is connected to an adjacent segment. Door joint segments to be installed on the left and right sides of the door frame mounting space of the door to be constructed, and joints for connecting adjacent segments, and the door frame installation of the door to be constructed And a girder segment installed above and below the working space.

Further, in order to achieve the above object, in the method of constructing a passage for a multiple tunnel according to the present invention, after excavating the multiple tunnel, the passage is constructed at a predetermined position in the axial direction of the tunnel adjacent to each other. In the above, on each side of the passage to be constructed, a passage strut segment formed in a structure capable of bearing the vertical load of the passage and having a joint for coupling with an adjacent segment is installed, and each passage strut segment is Girder segments having joints for coupling with the adjacent segments are installed above and below the passage to be constructed by coupling with the adjacent segments via joints, and each of the girder segments is adjacent to each other via the joints. Connected to the segment, surrounded by the left and right passage strut segments and the upper and lower girder segments and passed through the left and right passage strut segments And so as to build a path structure that borne a vertical load.

In order to achieve the above object, in the method for constructing a door of a multiple tunnel according to the present invention, the door is constructed such that after excavating the multiple tunnel, the door is constructed at a predetermined position in the axial direction of the tunnel adjacent to each other. In the construction method according to the above, the door post segment is formed in a structure capable of receiving the vertical load of the door on the left and right of the position where the door frame mounting space of the door is to be formed, and has a joint for coupling with an adjacent segment. And a girder having joints for joining the adjacent segments above and below the position where the door frame mounting space is to be formed, by joining each door support segment to the adjacent segment via the joint. While installing the segments, each girder segment is connected to the adjacent segment via the joint, and the left and right door support segments and the upper and lower girder segments A door mounting space is formed so that the left and right door support segments bear the vertical load of the door, and a door frame is mounted in the door mounting space, and a door body is assembled to the door frame. ing.

[0021]

Embodiments of the present invention will be described below with reference to the drawings.

FIG. 1 shows an embodiment of a segment for constructing an escape passage, and is a perspective view showing a state before the segment is assembled.

The segment for constructing the evacuation passage of the embodiment shown in FIG. 1 includes left and right passage support segments 6 and 6 and upper and lower girder segments 7 and 7.

Each passage column segment 6 is made of concrete, steel, cast iron, or a combination of these, and has high rigidity, and can bear a vertical load due to earth pressure or water pressure applied to the evacuation passage to be constructed. Is formed. Further, each passage column segment 6 is provided with a segment joint 8 for coupling with an adjacent segment and a ring joint 9.

Each girder segment 7 is also made of concrete, steel, cast iron, or a combination thereof to have high rigidity, and can transmit a vertical load applied to the passage by earth pressure or water pressure to the passage column segment 6. The structure is formed. Each of the girder segments 7 also has a segment joint 8 for coupling to an adjacent segment, and a ring joint 9.
Are provided.

Next, FIGS. 2 to 7 show a process of constructing an evacuation passage between the double shield tunnels by using the segments. FIG. 2 shows an outer peripheral segment after excavation of the double shield tunnel. FIG. 3 is a vertical sectional side view taken along line AA of FIG. 2, and FIG. 4 is a state where a right passage column segment is attached to a position where an evacuation passage is to be constructed. FIG. 5 is a longitudinal sectional side view showing
FIG. 6 is a vertical sectional side view showing a state where upper and lower girder segments are attached via support materials to positions where an evacuation passage is to be constructed,
Similarly, FIG. 7 is a longitudinal sectional side view showing a state in which a left passage column segment is attached to a position where an evacuation passage is to be constructed, and FIG. 7 is a longitudinal sectional side view showing a state in which support materials are removed from between upper and lower girder segments. 8 and 9 show an embodiment of the completed evacuation passage. FIG. 8 is a vertical front view, and FIG. 9 is a vertical side view taken along line BB of FIG.

In the construction method of the evacuation passage shown in FIGS. 2 to 7, first, as shown in FIGS. 2 and 3, the ground G is excavated by the double shield machine 1 and the double shield tunnel 2 is opened. Excavate the required distance.

As described above, the double shield tunnel 2
After the excavation, the outer peripheral segment 4 and the normal column segment 5 are assembled behind the double shield machine 1, and the outer peripheral segments 4 adjacent to each other are connected via the segment joint 8 and the ring joint 9 to form the column segment 5. Is connected to the outer peripheral segment 4 via a segment joint 8.

As described above, the ground G is dug by the double shield machine 1, the outer peripheral segment 4 and the column segment 5 are assembled, and the double shield tunnel 2 is moved in the axial direction.
After digging to a distance where an evacuation passage is to be constructed between the adjacent tunnels 3, 3, the passage support segment 6 is carried into the double shield tunnel 2, and the passage support segment 6 is assembled as shown in FIG. The upper and lower portions of the passage support segment 6 are connected to the adjacent outer segment 4 via a segment joint 8.

Subsequently, after excavating the double shield tunnel 2 for a required distance and assembling the outer peripheral segment 4, the girder segment 7 is loaded into the double shield tunnel 2, and the girder segment 7 is shown in FIG. As described above, the support members 10 are installed at the upper and lower positions in the outer peripheral segment 4 being assembled, and the support members 10 are installed between the upper and lower girder segments 7. Then, the right side of each digit segment 7 in FIG.
It is connected to the already mounted right passage column segment 6 via a ring joint 9, and the upper girder segment 7 is connected to the adjacent outer upper segment 4.
In addition, the lower girder segment 7 is connected to the lower outer peripheral segment 4 which is an adjacent segment by a segment joint 8 respectively.
Via

Further, after excavating the double shield tunnel 2 for a required distance and assembling the outer peripheral segment 4, the passage column segment 6 is loaded into the double shield tunnel 2.
It is incorporated inside the already assembled outer circumferential segment 4. In FIG. 6, the right side of the passage column segment 6 is connected to the upper and lower girder segments 7, 7 already attached via a ring joint 9, and the upper and lower portions of the passage column segment 6 are adjacent segments. The outer segment 4 is connected to the outer segment 4 via a segment joint 8.

In this way, as shown in FIG. 6, after forming the evacuation passage 11 surrounded by the left and right passage column segments 6, 6 and the upper and lower girder segments 7, 7 on all sides, as shown in FIG.
And FIG. 7 shows that the upper and lower digit segments 7,
8 and 9 by removing the supporting material 10 supporting the pedestal 7 and securing a section defined as an evacuation passage.
As shown in the figure, the evacuation passage 11 is completed at a predetermined position in the axial direction of the tunnels 3 and 3 adjacent to each other in the double shield tunnel 2 as a multiple tunnel.

In FIGS. 8 and 9, reference numeral 39 is used.
Indicates an invert, and 40 indicates a building limit.

As described above, the vertical load caused by earth pressure or water pressure can be transmitted from the upper and lower girder segments 7, 7 to the left and right passage support segments 6, 6, and the vertical load can be covered by the left and right passage support segments 6, 6. It is possible to construct the evacuation passage 11 having a structure with high rigidity capable of performing the above.
Therefore, the cross section defined as the evacuation passage can be easily secured.

Further, according to this embodiment, it is not necessary to remove the column segments and rebuild the partition walls after provisionally receiving by large-scale shoring, so that the number of construction steps can be reduced. The construction period can be shortened, and the cost can be greatly reduced.

Next, FIG. 10 shows an embodiment of a segment for constructing an escape door, and is a perspective view showing a state before the assembly of the segment.

The evacuation door construction segment of the embodiment shown in FIG. 10 includes left and right door support segments 16, 16,
Upper and lower girder segments 17, 17 are provided.

Each door support segment 16 is made of concrete, steel, cast iron, or a combination of these, and has a large rigidity and is formed to have a structure capable of receiving a vertical load applied to an evacuation door to be constructed. . Each door support segment 16 is provided with a segment joint 18 for coupling to an adjacent segment and a ring joint 19.

Each girder segment 17 is also made of concrete,
It is made of steel, cast iron, or a combination thereof to form a structure having a large rigidity and capable of transmitting the vertical load applied to the evacuation door to the door support column segments 16. In addition, each girder segment 17 also has a segment joint 18 for coupling to an adjacent segment, and a ring joint 1.
9 are provided.

FIGS. 11 and 12 show a method of constructing an evacuation door between double shield tunnels by using the segments. FIG. 11 is a vertical front view of the constructed evacuation door, and FIG. FIG. 13 is a vertical sectional side view taken along line CC of FIG. 11.

In the construction method of the evacuation door K shown in these figures,
Excavation of ground G with a double shield machine (not shown)
Excavate the required distance through the double shield tunnel 12.

After excavating the double shield tunnel 12 for a required distance, the outer peripheral segment 14 and the ordinary column segment 15 are carried into the double shield tunnel 12,
The adjacent outer peripheral segments 14 are the segment joints 1
8 and a ring joint 19, and the column segment 15 is joined to the outer peripheral segment 14 via a segment joint 18.

In this way, after excavating the double shield tunnel 12 in the axial direction to the distance where an evacuation door is to be constructed between the adjacent tunnels 13, 13, the door support segment 16 is inserted into the double shield tunnel 12. And the door support segment 16 is incorporated into the already assembled outer peripheral segment 14, and the upper and lower portions of the door support segment 16 are connected to the adjacent outer peripheral segment 1.
4 through a segment joint 18.

Next, after excavating the double shield tunnel 12 for a required distance and assembling the outer peripheral segment 14, the girder segment 17 is loaded into the double shield tunnel 12, and the girder segment 17 is transferred to the tunnel shown in FIGS. As can be seen from FIG.
4. Assemble in the vertical position in 4. Then, a supporting material (not shown) is installed between the upper and lower girder segments 17, 17 and the right side of each of the girder segments 17, 17 in FIG.
6 via a ring joint 19, the upper girder segment 17 being connected to the upper outer segment 14 and the lower girder segment 17 being connected to the lower outer segment 14 via a segment joint 18, respectively.

After excavating the double shield tunnel 12 again for a required distance and assembling the outer peripheral segment 14, the door support segment 16 is carried into the double shield tunnel 12, and the door support segment 16 is already assembled. To the inside of the outer peripheral segment 14. In FIG. 12, the right side of the door support segment 16 is connected to the upper and lower beam segments 17, 17 already mounted via a ring joint 19.
Are connected to the outer peripheral segment 14 via a segment joint 18.

As described above, the upper and lower digit segments 17,
After connecting the left door support column segment 16 in FIG. 12 to 17, the support material installed between the upper and lower girder segments 17, 17 is removed.

In this way, as can be seen from FIG. 12, a door frame mounting space 20 surrounded by left and right door support segments 16, 16 and upper and lower girder segments 17, 17 is formed on all four sides.

Next, a door frame 22 is mounted on the door frame mounting space 20, and doors 23, 23 are assembled to the door frame 22 so as to be openable and closable, as shown in FIGS.
As shown in (1), the evacuation door 21 is completed at a predetermined position in the axial direction of the tunnels 13, 13 adjacent to each other in the double shield tunnel 12.

In FIGS. 11 and 12, reference numeral 39 indicates an invert, and reference numeral 40 indicates a building limit.

As described above, the evacuation door 21 having the cross section defined as the evacuation door can be easily constructed.

Further, according to this embodiment, the left and right door support segments 16, 1 are separated from the upper and lower girder segments 17, 17.
6, the evacuation door 21 having a structure with high rigidity capable of transmitting a vertical load due to earth pressure or water pressure and capable of receiving the vertical load by the left and right door support segments 16, 16 can be constructed.

Further, according to this embodiment, it is not necessary to remove the column segments and rebuild the partition wall after temporarily receiving the large-scale support work, so that the number of construction steps can be reduced. In addition to shortening the construction period, the cost can be significantly reduced.

Next, FIG. 13 shows an embodiment of a segment for constructing a home door in a subway station, and is a perspective view showing a state before assembling the segment.

The segment for constructing the home door at the subway station in the embodiment shown in FIG. 13 includes left and right door support segments 31, 31 and upper and lower girder segments 32, 32.

Each of the door support segments 31 is made of concrete, steel, cast iron, or a combination of these, and has a large rigidity, and is formed in a structure capable of receiving a vertical load applied to a home door to be constructed. . Each door support segment 31 is provided with a segment joint 33 and a ring joint 34 for coupling to an adjacent segment.

Each girder segment 32 is also made of concrete,
By using steel, cast iron, or a combination thereof, the rigidity is large and the vertical load applied to the home door can be transmitted to the door support segment 31. Each girder segment 32 is also provided with a segment joint 33 for coupling to an adjacent segment and a ring joint 34.

14 to 17 show a method of constructing a subway station home door between triple shield tunnels by using the segments. FIG. 14 is a longitudinal sectional front view of the constructed home door. 15, FIG. 15 is a vertical sectional side view taken along line DD of FIG. 14, FIG. 16 is a view taken along arrow EE of FIG. 14, and FIG. 17 is a sectional view taken along line FF of FIG.

In the method of constructing the home door shown in these figures, the ground G is excavated by a triple shield machine (not shown), and the tunnel 25 in the center and the tunnels 2 on both sides thereof are excavated.
6 and 27 are excavated in a required distance.

The triple shield tunnel 2
The tunnel 25 at the center of the section 4 is used as a home tunnel, and a home 28 is constructed here. On the other hand, the tunnels 26 and 27 on both sides of the triple shield tunnel 24 are railway tunnels. Further, the outer peripheral segment 29 and the wall segment 30 are carried into the triple shield tunnel 24, and the outer peripheral segment 29 is assembled inside the triple shield tunnel 24 and connected via a joint. Between tunnels 25 and 26 and tunnels 25 and 2
7 are assembled and connected via joints.

In this way, after excavating the triple shield tunnel 24 in the axial direction to a distance where a home door is to be constructed between the tunnels 25 and 26 and between the tunnels 25 and 27, the tunnel tunnel 24 is inserted into the triple shield tunnel 24. Materials such as door support segments 31, 31, girder segments 32, 32, door frame 37, and door bodies 38, 38 are carried in.

Then, at a predetermined position where a home door is to be constructed between the tunnels 25 and 26 and between the tunnels 25 and 27, the right door support segment 3 in FIGS.
1 and the upper and lower portions of the door support column segment 31 are joined to the adjacent outer peripheral segment 29 via a segment joint 33.

Next, the upper and lower girder segments 32, 3 are provided between the tunnels 25, 26 and between the tunnels 25, 27.
2 and a supporting material (not shown) is installed between the upper and lower girder segments 32, 32, and the right side of each girder segment 32 in FIGS. The upper girder segment 32 is connected via a ring joint 34 to the upper outer circumferential segment 2.
9, and the lower girder segment 32 is connected to the lower outer peripheral segment 29 via a segment joint 33, respectively.

Subsequently, the door support segment 31 on the left side in FIGS. 15 to 17 is incorporated between the tunnels 25 and 26 and between the tunnels 25 and 27, and
The right side of 1 is connected via a ring joint 34 to the upper and lower girder segments 32, 32 already mounted, respectively.
The upper and lower portions of the door support column segment 31 are connected to the outer peripheral segment 29 via a segment joint 33.

As described above, the upper and lower digit segments 32, 3
2, after joining the left door support column segment 31 in FIG. 15 to FIG. 17, the support material installed between the upper and lower girder segments 32 is removed.

In this manner, as can be seen from FIGS. 15 and 16, the four sides are divided into the left and right door support segments 31 and 3.
1 and a door frame mounting space 35 surrounded by the upper and lower girder segments 32, 32.

Next, a door frame 37 is mounted in the door frame mounting space 35, and doors 38, 38 are assembled to the door frame 37 so as to be openable and closable, as shown in FIGS. The home door 36 is completed at predetermined positions in the axial direction of the tunnels 25 and 26 adjacent to the shield tunnel 24 and the tunnels 25 and 27.

14 and 15, reference numeral 39 indicates an invert, and reference numeral 40 indicates a building limit.

As described above, the home door 36 having the cross section defined as the home door can be easily constructed.

The other operations and effects of the embodiment shown in FIGS. 14 to 17 are the same as those described for the method of constructing the evacuation door shown in FIGS. 11 and 12.

[0070]

As described above, the segment for constructing the passage of the multiple tunnel according to the present invention is formed in a structure capable of receiving the vertical load of the passage to be constructed, and is connected to the adjacent segment. And a girder segment having joints for coupling with adjacent segments and having girder segments installed above and below the passage to be constructed. With this configuration, there is an effect that the rigidity of the segment itself can be increased, and there is also an effect that it can be easily attached and used when constructing a passage at a predetermined position between adjacent tunnels of a multiple tunnel.

Further, the segment for constructing the door of the multiple tunnel according to the present invention has a joint formed to have a structure capable of receiving the vertical load of the door to be constructed and for coupling with the adjacent segment. Door joints to be installed on the left and right sides of the door frame mounting space of the door to be constructed, and joints for connecting adjacent segments,
And since it is configured with a girder segment installed above and below the door frame mounting space of the door to be constructed, there is an effect that the rigidity of the segment itself can be greatly increased, and between the adjacent tunnels of the multiple tunnels When the door frame mounting space is constructed at a predetermined position, there is also an effect that it can be easily mounted and used.

Further, in the method for constructing a passage of a multiple tunnel according to the present invention, a structure is formed on the left and right of the passage to be constructed so as to be able to bear the vertical load of the passage, and is connected to an adjacent segment. A girder having a joint for connecting a passage strut segment having joints of the above, and connecting each passage strut segment to an adjacent segment via the joint, and joining the adjacent segment above and below the passage to be constructed. While installing the segments, each girder segment is connected to the adjacent segment via the joint, and is surrounded by the left and right passage strut segments and the upper and lower girder segments, and receives the vertical load of the passage on the left and right passage strut segments. It is designed to construct a passage with a structure to hold, and instead of the column segment used conventionally, it has a large rigidity Since the road support segment is used, for example, there is an effect that a passage having a cross section defined as an evacuation passage can be easily secured, and after temporarily receiving a large-scale support, the pillar segment is removed and a partition wall or the like is removed. Since there is no need to rebuild, the number of construction steps can be reduced, resulting in an effect of shortening the construction period and an effect of reducing costs.

In the method of constructing a door of a multiple tunnel according to the present invention, the door is formed in a structure capable of receiving the vertical load of the door on the left and right of the position where the door frame mounting space is to be formed. And while installing a door support segment having a joint for coupling with an adjacent segment, each door support segment is connected to an adjacent segment via the joint, and a position for forming the door frame mounting space is defined. Up and down, installing a girder segment having a joint for joining with an adjacent segment, and connecting each girder segment to an adjacent segment via the joint,
A door mounting space surrounded by the left and right door support segments and the upper and lower girder segments and having the left and right door support segments bear the vertical load of the door is formed, and the door frame is mounted in the door mounting space. Since the door body is assembled to this door frame, and the present invention also uses a rigid door support segment, for example, a section defined as an evacuation door between adjacent tunnels or a home door in a subway station. Has the effect of being able to easily form doors, and after temporarily supporting it with large-scale supports, removing the pillar segments,
Since it is not necessary to rebuild the partition wall or the like, the number of construction steps can be reduced, and as a result, there is an effect that the construction period can be shortened and an effect that the cost can be reduced.

[Brief description of the drawings]

FIG. 1 is a perspective view showing a state before assembling a segment for constructing an escape passage as one embodiment of a segment for constructing a passage according to the present invention.

FIG. 2 shows one process of constructing an evacuation passage between the double shield tunnels using the segments shown in FIG. 1, and after excavating the double shield tunnel, attaching the outer peripheral segment and the column segment. It is a vertical front view which shows the state which was set.

FIG. 3 is a vertical sectional side view taken along line AA of FIG. 2;

FIG. 4 is a vertical sectional side view showing a state where a right passage support segment is attached to a position where an evacuation passage between adjacent tunnels is to be constructed.

FIG. 5 is a longitudinal sectional side view showing a state where upper and lower girder segments are attached via a support member, following FIG. 4;

FIG. 6 is a longitudinal sectional side view showing a state where the right passage column segment is attached, following FIG. 5;

FIG. 7 is a longitudinal sectional side view showing a state in which a supporting material is removed from between upper and lower girder segments, following FIG. 6;

FIG. 8 is a longitudinal sectional front view showing one embodiment of an evacuation passage completed by the construction method of the present invention.

FIG. 9 is a vertical sectional side view taken along line BB of FIG. 8;

FIG. 10 is a perspective view showing a state before assembling a segment for constructing an evacuation door, as one embodiment of a segment for constructing a door according to the present invention.

FIG. 11 is a longitudinal sectional front view of the constructed evacuation door, showing a method of constructing an evacuation door between the double shield tunnels using the segment shown in FIG. 10;

FIG. 12 is a vertical sectional side view taken along line CC of FIG. 11;

FIG. 13 is a perspective view showing a state before assembling a segment for constructing a home door as one embodiment of a segment for constructing a door according to the present invention.

FIG. 14 is a vertical front view of the constructed home door, showing a method of constructing a subway station home door between triple shield tunnels using the segment shown in FIG. 13;

FIG. 15 is a vertical sectional side view taken along line DD of FIG. 14;

FIG. 16 is a view as seen in the direction of arrows EE in FIG. 14;

FIG. 17 is a sectional view taken along line FF of FIG. 16;

FIG. 18 is a longitudinal sectional front view showing a conventional technique for constructing an evacuation passage and an evacuation door between two shield tunnels.

FIG. 19 is a vertical sectional side view taken along line HH of FIG. 18;

FIG. 20 is a longitudinal sectional front view showing a conventional technique for constructing a subway station platform door between triple shield tunnels.

FIG. 21 is a vertical sectional side view taken along line II of FIG. 20;

[Explanation of symbols]

 G Ground 2 Double shield tunnel 3,3 Adjacent tunnel 4 Peripheral segment 5 Column segment 6 Passage column segment 7 Digit segment 8 Segment joint 9 Ring joint 11 Evacuation passage 12 Double shield tunnel 13,13 Adjacent tunnel 14 Outer peripheral segment 15 Pillar segment 16 Door strut segment 17 Digit segment 18 Segment joint 19 Ring joint 20 Door frame mounting space 21 Evacuation door 22 Door frame 23 Door body 24 Triple shield tunnel 25, 26, 27 Tunnel 28 Home 29 Outer peripheral segment Reference Signs List 30 wall segment 31 door support segment 32 girder segment 33 segment joint 34 ring joint 35 space for door frame mounting 36 home door 37 door frame 38 door body

 ────────────────────────────────────────────────── ─── Continued on the front page (72) Inventor Yoshiki Suzuki 1-24-4 Shinkawa, Chuo-ku, Tokyo Daitoyo Construction Co., Ltd. F-term (reference) 2D055 AA01 BA01 BB04 EB01 FA01 LA17

Claims (4)

[Claims] 1. A passage strut segment formed in a structure capable of bearing the vertical load of a passage to be constructed, having a joint for coupling with an adjacent segment, and installed on the left and right of the passage to be constructed. And a girder segment having a joint for coupling with an adjacent segment and being installed above and below a passage to be constructed. 2. A door which is formed in a structure capable of withstanding a vertical load of a door to be constructed, and has a joint for coupling to an adjacent segment. A door support column segment to be installed, and a girder segment having a joint for coupling to an adjacent segment, and a girder segment installed above and below a door frame mounting space of a door to be constructed. Segment for building doors of continuous tunnels. 3. A method for constructing a passage at a predetermined position in an axial direction of a tunnel adjacent to each other after excavating a multiple tunnel, wherein a structure capable of receiving a vertical load of the passage to the left and right of the passage to be constructed. And a passage strut segment having a joint for coupling with an adjacent segment is installed, and each passage strut segment is coupled to the adjacent segment via the joint, and above and below the passage to be constructed, A girder segment having a joint for coupling with an adjacent segment is installed, and each girder segment is connected to an adjacent segment via the joint, and is surrounded by the left and right passage support segments and the upper and lower girder segments, and Constructing a passage having a structure in which the left and right passage strut segments bear the vertical load of the passage, a multiple-type ton. How to build a flannel passage. 4. A door construction method for constructing a door at a predetermined position in an axial direction of a tunnel adjacent to each other after excavating a multiple tunnel, comprising: A door strut segment formed in a structure capable of bearing the vertical load of the door and having a joint for coupling with an adjacent segment is installed, and each door strut segment is connected to the adjacent segment via the joint. Combine and install a girder segment having a joint for coupling with an adjacent segment above and below the position where the door frame mounting space is to be formed, and connect each girder segment to the adjacent segment via the joint. Combined, surrounded by left and right door support segments and upper and lower girder segments, and allowing the left and right door support segments to bear the vertical load of the door Forming a door mounting space for the tunnel, mounting a door frame in the door mounting space, and assembling a door body into the door frame.