KR100486635B1 - How to advance the enclosure - Google Patents

Abstract

The present invention relates to a method of advancing a housing arranged with the propulsion direction facing, wherein an end of the towing member attached to the rear surface of one of the enclosures arranged with the propulsion direction facing, and connected to the towing jack. After fixing the through the anchorage on the back of the other housing, by operating the towing jack to tension the towing member to advance the enclosure and at the same time to operate the propulsion jacks to pull the forward in the opposite position to the reaction body to each other.

Description

Advancement method of the enclosure

The present invention relates to a method of advancing an enclosure spaced apart from each other at a predetermined interval and facing the propulsion direction.

In the method of drilling a large underground structure in the transverse direction in the lower basement such as a railroad or a road, for example, a propulsion jack is installed on the oscillation side, which pushes the enclosure, which is an underground structure, to the reaching side, or includes a towing jack. Pulling the enclosure from the oscillating side to the reaching side with a towing member made of PC steel wire or the like as an anchor with a reaction force attached to the back side of the anchor and pulling it from both sides of the excavation site by the same pulling method as the latter There is also a way to alternately move the enclosure.

In any method, when forwarding a large number of enclosures one by one, there is only one enclosure moving forward in one step, and thus, the construction period is long, so that the period of influence on the roads or railways on the ground above the crossing position is also long, which is desirable in terms of stability. Not.

An object of the present invention is to provide a method of advancing the housing that can shorten the construction period when the large underground structure in the transverse direction to the lower basement such as railway, road, etc. to solve the inconvenience of the conventional example.

In order to achieve the above object, the present invention firstly arranges one enclosure on one side and a plurality of enclosures on the other side in parallel, and is spaced apart from each other at a predetermined interval to face the propulsion direction, and the plurality of enclosures are arranged in parallel. Attach the towing jack to the rear side of the rear housing, and then fix the end of the towing member connected to this towing jack through the fixing unit at the back of the other housing, and push the housing located in front of the enclosure to which the towing jack is connected. Connected through the jack, the towing jack is operated with the front enclosure as the reaction force to pull the towing member to tension by pulling the towing member forward, and at the same time, the propulsion jack is operated to remove the front row of the enclosures in parallel. The rearmost of the forward and paralleled vessels finally operates the towing jacks and pulls them to the towing member with the opposing enclosure as the reaction force. And as a base.

Secondly, spaced apart at regular intervals and facing each other in the direction of propulsion, one vessel on one side is arranged in parallel with a plurality of vessels on the other side, and the other side of the one parallel to the rear of one vessel on one side Towing jacks are attached to the rear of the rear of the rear housing to fix the ends of the towing members connected to the towing jacks through the fixing holes at the back of the other housing, and to be located at the front of the housing to which the towing jacks of the multiple parallel sides are connected. Is connected through the propulsion jack to operate the towing jack to tension the towing member to pull forward the enclosure in the opposite position, and at the same time to operate the propulsion jack to advance the front row of the plurality of parallel ships, In the case of the last one, the last one is to operate the towing jack, and to pull the towing member by using the opposing body as the reaction force. .

Third, they are spaced apart at regular intervals and face each other in the direction of propulsion, arranged in parallel with each other on both sides in turn, connecting between each enclosure on each side with a propulsion jack, and then the back of the rear one The towing jack is attached to the towing jack, and the end of the towing member connected to the towing jack is fixed through the fixing unit at the back of the other housing. At the same time, the main point is to advance the rear housings on both sides by operating the towing jack.

Fourth, spaced apart at regular intervals, the propulsion jacks are arranged in parallel on each side in parallel to each other in the direction of propulsion. The end of the towing member connected to this tow jack through the anchorage on the back of the other enclosure, and by the operation of the propulsion jack, the enclosures other than the rear of the multiple enclosures on both sides from the front row at the same time The propulsion is carried out, and finally the tow jack is operated to advance the rear enclosures on both sides simultaneously.

Fifth, they are separated by a certain distance, and the propulsion directions are arranged in parallel to each other in parallel to each other, and the towing jacks attached to the rear attached at the same time as the propulsion jack between each of the sides of each side in parallel The member is fixed to the front housing through the fixing unit, and then a towing jack is attached to the rear of one rear housing and the end of the towing member connected to the towing jack is fixed through the fixing unit at the rear of the other housing. By the operation of the front of the many of the two housings other than the rear of the front row at the same time forward, and finally to operate the towing jacks on the opposite side of the rear of the two sides of the front of the housing facing the front The main idea is to advance the enclosure one after another.

Sixth, they are spaced apart at regular intervals and face each other in the direction of propulsion, arranged in parallel with each other on both sides in turn. One towing member is fixed to the front housing through the fixing unit, and a towing jack is attached to the rear of the rear housing on each side, and the end of the towing member connected to the towing jack is connected to the fixing unit at the rear of the other housing. Through the operation of the propulsion jack, and then forwards the first of the multiple housings on both sides at the same time from the front row, and finally, the towing jack is operated to the rear of the rear side facing the front The main idea is to advance the enclosures at the rear of both sides simultaneously as a reaction force.

According to the present invention of claim 1, by operating the towing jack, one of the housings on the opposite side moves forward with the reaction body to the front of the enclosure to which the towing jacks are attached, and at the same time, the front housing on the opposite side is By operating the propulsion jack, the rear enclosure with the towing jack is moved forward as a reaction force, so that the two enclosures advance simultaneously in one process. After that, the housing to which the towing jack is attached is advanced by the operation of the towing jack using the opposing body as the reaction force.

According to the present invention of claim 2, the forward enclosure with the propulsion jack moves forward with the rear enclosure as the reaction force, and the opposing side also operates the towing jack attached to the enclosure. Advance the hull at the back of the tank as a reaction force. This causes two enclosures to move forward simultaneously in one process. Afterwards, the rearmost body moves forward by using the towing jack attached to this body, with the already-advancing body on the opposite side as the reaction force.

According to the present invention of claim 3, in the opposing position of the housings other than the front and the rear by the propulsion jack operation, the two vessels in the opposite position in one step by advancing the enclosures at the rear thereof as reaction forces at the same time. The dog's enclosure moves forward at the same time. The rear side of the rear side of the housing is moved forward by the operation of the tow jack, and the rear side of the rear side of the opposing side moves forward. By operating the same towing jack with a sieve, the enclosure to which this towing jack is attached is advanced.

According to the present invention of claim 4, in the opposing positions of the enclosures other than the front and the rear by the operation of the propulsion jack, the rear vessels are moved forward and back at the same time in one step by simultaneously advancing the enclosure as the reaction force. Two enclosures advance simultaneously. And the rear housing advances simultaneously with the operation of the towing jacks attached to each of the rear housings on the opposite side as reaction forces.

According to the invention of claim 5, in the opposing positions of the enclosures other than the front and the rear by the operation of the propulsion jacks, the rear enclosures are moved forward at the same time in a step by simultaneously advancing the enclosure as the reaction force. Two enclosures advance simultaneously. At the same time, the rear housing moves forward with the operation of the towing jack at the front of each side as the reaction body, while the other side moves forward with the reaction body at the opposite side.

According to the present invention of claim 6, in the opposing positions of the enclosures other than the front and the rear by the operation of the propulsion jack, the vessels in the rearward position are opposed to each other in one step by simultaneously advancing one by one with the reaction force. Two enclosures advance simultaneously. And the rear case also advances simultaneously by the operation of the towing jack using the front side of each side and the opposite side as the reaction force.

EMBODIMENT OF THE INVENTION Hereinafter, embodiment of this invention is described in detail about drawing. 1 is an explanatory diagram showing a forward step of the first embodiment of the forward method of the enclosure according to the present invention, wherein the enclosures 1a, which have blade edges at their ends on opposite sides of the construction site facing the propulsion direction, respectively; 1b), a center hole-type tow jack 3 is attached to one of the enclosures, and in the illustrated example, the tow member by a PC steel wire or the like connected to the tow jack 3 ( The other end of 4) is fixed by the fixing tool 5 behind the opposing enclosure 1b (FIG. 1 (a)).

In order to advance the enclosures 1a and 1b, the towing jacks 3 are tensioned by the actuating and discharging traction member 4, and the enclosures 1a and 1b in opposing positions are pulled together while advancing together. As a result, the enclosures 1a and 1b at opposite positions are simultaneously advanced in one step (FIG. 1 (b)).

FIG. 2 shows the second embodiment. Similarly to the first embodiment, the first and second housings 1a and 1b having blade edges are arranged at opposite ends of the construction site with the propulsion directions facing each other. A center hole type towing jacks 3a and 3b are attached to the rear side of 1b), and the other end of the towing member 4 by a PC steel wire connected to the towing jacks 3a and 3b is connected to the opposite side housings 1a and 1b. It is fixed by the fixing fixture 5 at the back (FIG. 2 (a)).

In order to advance the enclosures 1a and 1b, the tow jacks 3a and 3b attached to each of them are simultaneously operated to tension the towing members 4 so that the enclosures 1a and 1b in opposing positions are pulled to each other by a reaction force. Advance simultaneously. As a result, the enclosures 1a and 1b at opposite positions are simultaneously advanced in one step (FIG. 2 (b)).

3 shows a third embodiment, in which one housing 1a is arranged on one side and the plurality of housings 1b and 1c are arranged in parallel on one side and the other (two in the illustrated example) Of the towing member 4 connected to the towing jack 3c by attaching the towing jack 3c only to the rear of the rear of the housing 1c. The end is fixed to the rear of the other housing 1a through the fixing unit 5, and the housing 1b located in front of the housing 1c to which the towing jack 3c is connected is provided through the propulsion jack 6b. (1c) (FIG. 3 (a)).

To advance the enclosures 1a to 1c, the towing jack 3c attached to the enclosure 1c is operated to advance the enclosure 1a on the opposite side with the enclosure 1b in front of it as a reaction force, and at the same time the propulsion jack. 6b is operated to advance the enclosure 1b with the rear enclosure 1c as a reaction force. For this reason, the enclosures 1a and 1b of opposing positions advance simultaneously in one process (FIG. 3 (b)).

Finally, it is operated again with the tow jack 3c, and the housing 1c is pulled forward by the towing member 4, with the housing 1a at the opposite position as the reaction force (FIG. 3 (c)).

FIG. 4 shows the fourth embodiment. In addition to the configuration of the third embodiment, the tow jack 3a is attached to the rear of one housing 1a (FIG. 4 (a)). To advance 1a to 1c, operate the towing jack 3a attached to the enclosure 1a, and hold the enclosure 1a forward with the towing member 4 with the opposing rearmost enclosure 1c as a reaction force. Pull forward and at the same time, the propulsion jack 6b is operated to advance the enclosure 1b using the rear enclosure 1c as a reaction force. For this reason, the enclosures 1a and 1b of opposing positions advance simultaneously in one process (FIG. 4 (b)).

Finally, the towing jack 3c is operated to pull the housing 1c forward with the towing member 4, with the housing 1a at the opposite position as the reaction force (FIG. 4 (c)).

FIG. 5 shows the fifth embodiment. In the case where there are a large number of enclosures arranged in opposing positions, in the illustrated example, two enclosures 1a, 1b, 1c, and 1d are arranged on the opposing side, respectively. The front housings 1a and 1c at opposite positions and the rear housings 1b and 1d are connected to the propulsion jacks 6a and 6c respectively and towed only behind one rear housing 1d. The jack 3d is attached, and the end of the towing member 4 connected to the tow jack 3d is fixed through the fixing unit 5 behind the rearmost enclosure 1b (FIG. 5 (a)). ).

To advance the enclosures 1a to 1d, the propulsion jacks 6a and 6c attached to the front enclosures 1a and 1c are operated, respectively, and the rear enclosures 1b and 1d are the reaction bodies. Advances (1a, 1c) simultaneously. For this reason, the enclosures 1a and 1c of opposing positions advance simultaneously in one process (FIG. 5 (b)).

Next, the tow jack 3d is operated to move the front of the opposing rearmost enclosure 1b to the towing member 4, with the enclosure 1c in front of the enclosure 1d to which the tow jack 3d is attached as a reaction force. To move forward (figure 5 (c)).

Finally, the tow jack 3d is operated again to advance the housing 1d with the opposing enclosures 1a and 1b as reaction forces (FIG. 5 (d)).

FIG. 6 shows the sixth embodiment. In addition to the configuration of the fifth embodiment, the tow jack 3b is also attached to the rear side of the rear body 1b (as shown in FIG. 6 (a)). It is the same as that of 5th Embodiment mentioned above to advance forward enclosure 1a, 1c to the propulsion jack 6a, 6c simultaneously (FIG. 6 (b)).

In order to advance the rear enclosures 1b and 1d, the tow jacks 3b and 3d attached to each of them are operated at the same time, and the opposing enclosures 1d and 1b and the front enclosures 1a and 1c are moved to the reaction body, respectively. In order to attract each other and advance simultaneously (Fig. 6 (c)).

FIG. 7 shows the seventh embodiment, which is the same number of cases in which the fifth embodiment shown in FIG. 5 is arranged in the opposite position in the same manner. In this example, three enclosures (three on each side) 1a, 1b, 1c and housings 1d, 1e, 1f are arranged, and the front housings 1a, 1d, the rear housings 1b, 1c, and the housings 1e, 1f are propulsion jacks, respectively. 6a, 6b, 6d, 6e), and then attach the tow jack 3f only to the rear of the rearmost housing 1f, and face the tow member 4 connected to the tow jack 3f. It is fixed by the fixing | fixed opening 5 behind the enclosure 1c of the back of the side (FIG. 7 (a)).

To advance the enclosures 1a to 1f, the propulsion jacks 6a and 6d attached to the front enclosures 1a and 1d are operated, respectively, and the enclosures 1b and 1c and the enclosures 1e and 1f at the rear thereof are operated. As the reaction body, the front enclosures 1a and 1d are advanced simultaneously. For this reason, the enclosures 1a and 1d of opposing positions advance simultaneously in one process (FIG. 7 (b)).

Next, similarly, the second housings 1b and 1e also operate the propulsion jacks 6b and 6e attached thereto, and simultaneously advance the rear housings 1c and 1f as reaction forces. For this reason, the enclosures 1b and 1e of opposing positions advance simultaneously in one process (FIG. 7 (c)).

Finally, the towing member 4c on the opposite side with the towing member 4 is operated by using the towing members 3d and 1e in front of the enclosure 1f to which the towing jack 3f is attached to operate the towing jack 3f. ) And forward (Fig. 7 (d)), and then operate the tow jack 3f again to advance the rearmost enclosure 1f with the opposing enclosures 1a, 1b and 1c as the reaction force. (Fig. 7 (e)).

FIG. 8 shows the eighth embodiment. As in the sixth embodiment shown in FIG. 6, in the case of many cases having the same number of housings arranged in opposing positions, in this example, three housings (three on each side ( 1a, 1b, 1c and housings 1d, 1e, 1f are arranged, and the front housings 1a, 1d, the rear housings 1b, 1c, and the housings 1e, 1f are propulsion jacks, respectively. 6a, 6b, 6d, 6e, and then towing members 3c and 3f attached to the rear rear housings 1c and 1f and connected to the tow jacks 3c and 3f. ) Is fixed to the rear of the opposing rearmost enclosures 1f and 1c by the fixing unit 5 (Fig. 8 (a)). Also in this case, it is the same as that of the said 6th Embodiment which advances simultaneously the front enclosure 1a, 1d and the rear enclosure 1b, 1e to the propulsion jack 6a, 6b, 6d, 6e (FIG. 6). (b) (c)).

To advance the rearmost enclosures 1c and 1f, simultaneously operate the tow jacks 3c and 3f attached to each other so that the opposite enclosures 1f and 1c, the front enclosures 1a and 1b, and the enclosure 1d, 1e) is used as a reaction body to pull each other and advance simultaneously (Fig. 8 (d)).

FIG. 9 shows the ninth embodiment. In addition to the configuration of the seventh embodiment of FIG. 7 as a combination of the ESA method, the rearmost enclosures (for the plurality of enclosures 1a to 1f disposed so as to face each other) are shown. Towing jacks 7c and 7f are attached to the back of 1c and 1f, and the other end of the towing members 8c and 8f by a PC steel wire or the like connected to the towing jacks 7c and 7f is provided at the front of each case ( It is fixed to the front surface of 1a, 1d by the fixing fixture 5 (FIG. 9 (a)).

In order to advance the enclosures 1a to 1f, the propulsion jacks 6a and 6d attached to the front enclosures 1a and 1d are operated, respectively, and the following enclosures 1b and 1c and the enclosures 1e and 1f are operated. As the reaction body, the front enclosures 1a and 1d are advanced simultaneously. For this reason, the enclosures 1a and 1d of opposing positions advance simultaneously in one process (FIG. 9 (b)).

Next, similarly, the second housings 1b and 1e also operate the propulsion jacks 6b and 6e attached thereto, and simultaneously advance the rear housings 1c and 1f as reaction forces. For this reason, the enclosures 1b and 1e of opposing positions advance simultaneously in one process (FIG. 9 (c)).

Finally, in order to advance the rearmost enclosures 1c and 1f, the towing jack 7c is operated for the enclosure 1c, and the forward enclosures 1a and 1b as the reaction force are forwarded to the towing member 8c. To the front, and forward to the towing member 8f with the front body 1d and 1e as the reaction force, and at the same time to operate the tow jack 3f. The rear enclosures 1c and 1f are attracted to each other by the traction member 4 while using them as reaction forces.

As a result, the rear enclosures 1c and 1f also advance simultaneously (Fig. 9 (d)). In this case, since the rear housings 1c and 1f are pulled by the tow jack 7c and both the tow jack 7f and the tow jack 3f, a sufficient towing force can be obtained even if the number of parallel cases is large. .

FIG. 10 shows the tenth embodiment, in addition to the configuration of the ninth embodiment of FIG. 9, not only the rear 1f of one side but also the rear 1c of the opposing side. (3c) was attached, and the other end of the towing member 4 connected to the towing jack 3c was fixed with the fixing fixture 5 behind the rearmost enclosure 1f (FIG. 10 (a)). .

To advance the enclosures 1a to 1f, the propulsion jacks 6a and 6d attached to the front enclosures 1a and 1d are operated, respectively, and the enclosures 1b and 1c and the enclosures 1e and 1f at the rear thereof are operated. As the reaction body, the front enclosures 1a and 1d are advanced simultaneously. For this reason, the enclosures 1a and 1d of opposing positions advance simultaneously in one process (FIG. 10 (b)).

Next, similarly, the second housings 1b and 1e also operate the propulsion jacks 6b and 6e attached thereto, and simultaneously advance the rear housings 1c and 1f as reaction forces. For this reason, the enclosures 1b and 1e of opposing positions advance simultaneously in one process (FIG. 10 (c)).

Finally, in order to advance the rearmost enclosures 1c and 1f, the towing jack 7c is operated for the enclosure 1c, and the forward enclosures 1a and 1b as the reaction force are forwarded to the towing member 8c. To the front, and forward to the towing member 8f simultaneously with the front body 1d and 1e as the reaction force, and simultaneously operate the tow jacks 3c and 3f. By using the rear enclosures 1c and 1f as reaction forces to each other, they are attracted to each other by the traction member 4.

As a result, the rear enclosures 1c and 1f are also advanced simultaneously (Fig. 10 (d)). In this case, since the rear housings 1c and 1f are pulled by both the tow jack 7c and the tow jack 3c, and both the tow jack 7f and the tow jack 3f, even if the number of parallel enclosures is large, You can get enough tow jacks.

As described above, in the case of advancing the enclosure of the present invention, when a large underground structure is excavated in a transverse direction in a lower basement such as a railroad or a road, it is possible to advance the enclosure simultaneously from the opposite side of the excavation direction. It is possible to shorten and to use the housing as a reaction body, there is no need to separately install a reaction wall or the like, the installation space is also unnecessary, the construction is also good.

1 is a process chart showing the first embodiment of the method for advancing the enclosure in the present invention.

2 is a process chart showing a second embodiment of the method of advancing the enclosure in the present invention.

3 is a process diagram showing a third embodiment of the method of advancing the enclosure in the present invention.

4 is a flowchart showing a fourth embodiment of the method of advancing the enclosure in the present invention.

FIG. 5 is a process diagram showing a fifth embodiment of the method of advancing the enclosure in the present invention. FIG.

6 is a process chart showing the sixth embodiment of the method for advancing the enclosure in the present invention.

7 is a process chart showing the seventh embodiment of the method of advancing the enclosure in the present invention.

FIG. 8 is a process diagram showing an eighth embodiment of a method for advancing an enclosure in the present invention. FIG.

9 is a process chart showing the ninth embodiment of the method for advancing the enclosure in the present invention.

FIG. 10 is a process diagram showing a tenth embodiment of a method for advancing an enclosure in the present invention. FIG.

Explanation of symbols on main parts of drawing

1a, 1b, 1c, 1d, 1e, 1f: enclosure 3, 3a, 3b, 3c, 3d, 3f: tow jack

4: towing member 5: anchorage 6a, 6b, 6c, 6d, 6e: propulsion jack

7c, 7f: towing jack 8c, 8f: towing member

Claims (6)

At the front end, a first housing having a hood-shaped blade tip is installed, and the first housing is pushed out by a propulsion jack, and a second or less housing is sequentially installed at the rear of the first housing in a columnar state. In the propulsion method of construction of underground structures by excavating the enclosure in the ground, one vessel is placed on one side in parallel with the propulsion direction, and a plurality of enclosures are arranged in parallel on the other side, and the rear side of the multiple parallel vessels is arranged. The towing jack is attached to the rear of the enclosure, and the end of the towing member connected to the towing jack is fixed through the fixing hole at the back of the other enclosure. It is connected through the front panel, and the towing jack is operated as the reaction body to pull the towing member forward to pull the housing forward, and at the same time the propulsion jack is operated in parallel. Forward method of the first row of the present, and the rear of the number of parallel ships last to operate the towing jack to pull the opposing body to the towing member by the reaction force to the towing member. . At the front end, a first housing having a hood-shaped blade tip is installed, and the first housing is pushed out by a propulsion jack, and a second or less housing is sequentially installed at the rear of the first housing in a columnar state. In the propulsion method of construction of underground structures by excavating the enclosure in the ground, one vessel is placed on one side in parallel with a plurality of enclosures on the other side in order to face the direction of propulsion, and the rear side of one vessel Towing jacks are attached to the rear side of the rear of the rear side of the housings parallel to each other, and the end of the towing member connected to the towing jacks is fixed through the fixing unit at the rear side of the other housing, and the towing jacks of the parallel side The hull located in front of the hull is connected via the propulsion jack, and the towing jack is operated to tension the towing member to pull forward the hull in the opposite position and simultaneously operate the propulsion jack. The front row of the plurality of parallel ships forward and the rear of the plurality of parallel ships last to operate the towing jacks to attract the opposing position to the towing member by the reaction body to the towing member Way forward. At the front end, a first housing having a hood-shaped blade tip is installed, and the first housing is pushed out by a propulsion jack, and a second or less housing is sequentially installed at the rear of the first housing in a columnar state. In the propulsion method of construction of underground structures by excavating the enclosures in the ground, a plurality of enclosures are arranged in parallel on each side in parallel with the direction of propulsion, and the propulsion jacks are connected between the enclosures on each side. A tow jack is attached to the rear side of the rear housing, and the end of the towing member connected to this tow jack is fixed through the fixing unit at the back of the other housing, and by the operation of the propulsion jack, Advancing the enclosure at the same time from the front row at the same time, and finally moving the rear of the rear of the two by moving the towing jack in the forward method. At the front end, a first housing having a hood-shaped blade tip is installed, and the first housing is pushed out by a propulsion jack, and a second or less housing is sequentially installed at the rear of the first housing in a columnar state. In the propulsion method of construction of underground structures by excavating the enclosures in the ground, a plurality of enclosures are arranged in parallel on each side in opposite direction of propulsion, and the propulsion jacks are connected between the enclosures of each side. Towing jacks are attached to the rear of the rear of the rear of the two sides, and the ends of the towing members connected to the towing jacks are fixed through the fixing unit at the rear of the other side of the housing, and the rear side of the plurality of the two sides of the two sides by the operation of the propulsion jack. Advancing the other body at the same time from the front row at the same time, the last method of advancing the housing, characterized in that the front of the rear of the enclosure at the same time by operating the towing jack. At the front end, a first housing having a hood-shaped blade tip is installed, and the first housing is pushed out by a propulsion jack, and a second or less housing is sequentially installed at the rear of the first housing in a columnar state. In the propulsion method of construction of underground structures by excavating the enclosures in the ground, a plurality of enclosures are arranged in parallel on each side in opposite direction of propulsion, and the propulsion jacks are connected between the enclosures of each side. The towing member connected to the towing jack attached to the rear housing is fixed to the front housing through the fixing unit, and the towing jack is attached to the rear of one rear housing, and the towing member connected to the towing jack is The end is fixed through the anchorage on the rear side of the other enclosure, and by the operation of the propulsion jack, the enclosures other than the rear of the multiple enclosures on both sides are advanced simultaneously from the front row, and finally the towing jack is operated. How to move the housing, characterized in that for advancing the housing at the top rear of both sides in turn to the housing at the top rear of the side opposite to the reaction force of the front housing body. At the front end, a first housing having a hood-shaped blade tip is installed, and the first housing is pushed out by a propulsion jack, and a second or less housing is sequentially installed at the rear of the first housing in a columnar state. In the propulsion method of construction of underground structures by excavating the enclosures in the ground, a plurality of enclosures are arranged in parallel on each side in opposite direction of propulsion, and the propulsion jacks are connected between the enclosures of each side. The towing member connected to the tow jack attached to the rear is fixed to the front housing through the fixing unit, and the towing jack is attached to the back of the rear housing of each side, and the end of the towing member connected to the towing jack is attached. Is fixed through the anchorage on the rear side of the other enclosure, and by the operation of the propulsion jack, the enclosures other than the rear of the multiple enclosures on both sides are advanced simultaneously from the front row, and finally the towing jack is Copper was way advancement of the housing, characterized in that for advancing the housing at the top rear of both sides at the same time by the housing at the top rear of the side opposite to the reaction force of the front housing body.