JP2005330661A - High-rise building construction of existing tower equipped with communication apparatus such as antenna - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide high-rise building construction of the existing tower equipped with a communication apparatus such as an antenna capable of being constructed by reusing the existing the tower without interrupting a communication service by the communication apparatus. <P>SOLUTION: The outline frame 2 of a form surrounding the tower 1 rises with a structure without causing any radio interference up to a height required for re-shoring of communication apparatuses 1a to 1f such as an antenna or the like with which the tower 1 is equipped, and the tower comprises a stage installed on the outline frame 2 by making re-shoring of communication apparatuses 2a to 2h such as an antenna or the like, a stage dividing a lower structure 11 of the tower 1 and an upper part 10 above the lower structure into two parts, lifting the upper part 10 of the divided tower up to the height projected upward from the upper end section of the outline frame 2 by making use of the outside frame 2 and making it support by the outline frame 2 and a stage structurally integrating the lower structure 11 of the tower 1 with the outline frame 2. <P>COPYRIGHT: (C)2006,JPO&NCIPI

Description

  The present invention belongs to the technical field of a high-rise construction method of an existing tower-shaped tower equipped with the communication device implemented to improve or update the communication capability of a communication device such as an antenna, and more specifically, the communication device The present invention relates to a high-rise construction method of an existing tower tower equipped with a communication device such as an antenna, in which an existing tower tower is reused to increase the height without interrupting communication operation.

For example, Patent Document 1 discloses a construction method for increasing the height of an existing tower tower provided with the communication device in order to improve or update the communication capability of a communication device such as an antenna.
The technique according to Patent Document 1 is to construct a new tower-like structure higher than the tower tower so as to surround an existing tower tower equipped with an antenna, and to construct the new tower structure. A novel antenna is attached to a portion of the tower-like structure higher than the height of the tower-like tower (see claim 1 and FIG. 5).

  However, according to the technique according to Patent Document 1, since a new tower-like structure is constructed independently of the existing tower tower, the components of the existing tower tower are not effectively used. There was a problem of being too uneconomical.

By the way, the construction method which recycles the existing tower tower and makes it high-rise is disclosed by patent document 2, for example.
In the technique according to Patent Document 2, an outer tower column is temporarily installed on the outer periphery of an existing tower tower up to a height of about half of the tower tower, and the tower tower is left above the lower structure. And the upper part of the divided tower tower is lifted up using the outer tower column, and the upper part of the lifted tower tower and the lower structure are connected to each other by a leg unit. The column is removed (see claim 1 and FIGS. 1 to 8).

  According to the technique according to Patent Document 2, the economic efficiency is recognized in that the existing tower tower is reused as compared with Patent Document 1.

JP 2000-174521 A Japanese Examined Patent Publication No. 4-18110

  About the technique concerning the above-mentioned patent document 2, the above-mentioned outer tower column is temporarily installed only for lifting up the upper part of the divided tower-like tower, and is removed after the lifting up is completed. Therefore, it is too uneconomic considering the removal work and the increase in waste. Further, since this technology does not consider any radio interference of communication devices such as antennas, it is practically impossible to implement without interrupting the communication operation of the communication devices. Furthermore, this technology supports the upper part of the existing tower tower, which is divided, only by the leg unit interposed between the lower structure and the height of the existing tower tower in terms of structural design. Can only be raised up to about 20-30%, and there is a clear limit to the height of application to increase the height.

  An object of the present invention is to improve or update the communication capability of a communication device such as an antenna, and can be constructed by reusing an existing tower tower without interrupting the communication operation by the communication device. In addition, the outer frame provided to lift up the upper part of the tower tower divided up and down can be constructed in a form that can be used as the main frame of the tower tower It is to provide a high-rise construction method of an existing tower tower equipped with communication equipment such as an antenna that is particularly excellent in economic efficiency.

  The next object of the present invention is to make an existing tower-like tower super high-rise with a safe and stable structure with less work at a high place, and can greatly improve the communication capability of the communication device. It is to provide a high-rise construction method of an existing tower tower equipped with communication equipment such as.

As means for solving the above-described problems of the prior art, the existing tower-like tower construction method including communication equipment such as an antenna according to the invention described in claim 1 is shown in FIGS. like,
The outer frame 2 that surrounds the tower 1 is raised to a height that is necessary for replacement of the communication devices 1a to 1f such as antennas provided in the tower 1 with a structure that does not cause radio interference, A step of rearranging and installing communication devices 2a to 2h such as antennas on the outer frame 2,
The lower structure 11 of the tower-like tower 1 and the upper part 10 are divided, and the upper part 10 of the divided tower-like tower protrudes upward from the upper end of the outer frame 2 using the outer frame 2. Lifting up to a height and supporting it with the outer frame 2;
The lower structure 11 of the tower-like tower 1 comprises a step of structurally integrating with the outer frame 2.

A high-rise construction method of an existing tower-shaped tower provided with communication equipment such as an antenna according to the invention described in claim 2
The outer frame 2 that surrounds the tower 1 is raised to a height that is necessary for the replacement of the communication devices 1a to 1f such as antennas provided in the tower 1 with a structure that does not cause radio interference, A step of rearranging and installing communication devices 2a to 2h such as antennas on the outer frame 2,
The lower structure 11 of the tower-like tower 1 and the upper portion 10 are divided, and the upper portion 10 of the divided tower-like tower protrudes upward from the upper end of the outer frame 2 using the outer frame 2. Lifting up to a height and supporting it with the outer frame 2 and the core frame 3 raised from the ground;
The lower structure 11 of the tower-like tower 1 includes a step of structurally integrating with the lower parts of the outer frame 2 and the core frame 3.

The invention described in claim 3 is a high-rise construction method of an existing tower-shaped tower provided with communication equipment such as the antenna described in claim 1 or 2,
When the outer frame 2 is started up, the outer frame 2 is positioned below the communication device 1a of the tower 1 so as not to cause radio interference in the communication devices 1a to 1f such as antennas provided in the tower 1. The new communication device 2a corresponding to the communication device 1a is attached to the outer frame 2, the operation of the new communication device 2a and the old communication device 1a of the tower tower is switched, and then the outer frame 2 is raised to a position below the communication device 1b of the next higher tower tower 1, and a new communication device 2b corresponding to the communication device 1b is attached to the outer frame 2, and the new communication device 2b and the tower tower are attached. The operation of switching the operation of the corresponding old communication device 1b is repeated to change the communication devices 1a to 1f.

The invention described in claim 4 is a high-rise construction method of an existing tower-shaped tower equipped with a communication device such as an antenna according to any one of claims 1 to 3,
When the lower structure 11 of the tower 1 and the upper portion 10 are divided, the lower structure 11 of the tower 1 and the outer frame 2 are structurally integrated in advance.

The invention described in claim 5 is a high-rise construction method of an existing tower-shaped tower equipped with a communication device such as an antenna according to any one of claims 1 to 4,
Before the upper portion 10 of the tower 1 is lifted up, the upper portion 10 of the tower 1 is reinforced so as to withstand wind loads.

The invention described in claim 6 is a high-rise construction method of an existing tower-shaped tower equipped with a communication device such as an antenna according to any one of claims 1 to 5,
Before the upper portion 10 of the tower 1 is lifted up, the antenna site 1f of the tower 1 is replaced with a new antenna site 2h.

The invention described in claim 7 is a high-rise construction method of an existing tower-shaped tower provided with communication equipment such as an antenna according to any one of claims 1 to 6,
A guide mechanism is provided between the tower-like tower 1 and the outer frame 2 to assist the upper portion 10 of the tower-like tower 1 ascending along the outer frame 2 while maintaining a vertical posture.

The invention described in claim 8 is a high-rise construction method of an existing tower-shaped tower provided with communication equipment such as an antenna according to any one of claims 2 to 7,
The core frame 3 is used as an elevator shaft after the fact.

The invention described in claim 9 is a high-rise construction method of an existing tower-shaped tower provided with a communication device such as an antenna according to any one of claims 1 to 8,
The tower-like tower 1 is characterized in that the lower structure 11 and the upper portion 10 are divided into two or more places.

The existing tower-like tower construction method provided with communication equipment such as an antenna according to the present invention has the following effects.
1) It can be constructed without interrupting communication operation by communication equipment, and most of the existing tower 1 can be reused as it is (upper part) and used for lifting the upper part 10 of the tower 1 Since the outer frame 2 is used as the main frame of the tower 1 as it is, it can be efficiently and rationally constructed without generating any waste, and is excellent in workability and economy.
2) Since the existing tower-like tower 1 is lifted up so as to protrude upward from the outer frame 2, the communication capability of the communication device can be remarkably improved.
3) Since the upper portion 10 of the tower 1 is lifted up and protrudes upward from the outer frame 2, work at a high place can be greatly reduced, while the lower structure 11 is structurally integrated with the lower portion of the outer frame 2. Compared to the new tower tower with the same height and strength that can be reused, the construction period can be greatly shortened, and the construction and economy are very good.
4) Since the top part and the base part of the tower tower 1 that has been made high-rise are reusing the upper part 10 and the lower structure 11 of the existing tower tower 1, respectively, the image of the existing tower tower 1 can be left. It is possible and is excellent in scenery.

  In order to dramatically improve the communication capability of the communication device reasonably and economically, the existing tower-shaped tower construction method including the communication device such as the antenna according to claim 1 is as follows. To be implemented.

FIGS. 1 to 3 show step by step the construction procedure of an existing tower-like tower 1 equipped with communication devices 1a to 1f such as antennas according to the invention described in claim 2.
The existing tower-like tower 1 has a high-rise construction method in which an outer frame 2 surrounding the tower-like tower 1 has a height required for replacing the communication devices 1 a to 1 f such as antennas provided in the tower-like tower 1. Up to this point, the apparatus is started up with a structure that does not cause radio interference, and a communication device 2a to 2h such as an antenna is installed in the outer frame 2 (FIGS. 1A to 2C), and the lower structure 11 of the tower 1 And the upper portion 10 of the tower-shaped tower is lifted up to a height protruding upward from the upper end portion of the outer frame 2 by using the outer frame 2, and the outer frame 10 is lifted up. 2 and the stage supported by the core frame 3 raised from the ground (FIGS. 3A and 3B), the lower structure 11 of the tower 1 is structurally lower than the outer frame 2 and the lower part of the core frame 3. Characterized in that it consists of an integral stages (second aspect of the present invention).

  The embodiment according to the present invention can be carried out without using the core frame 3. That is, the upper portion 10 of the divided tower is lifted up to a height protruding upward from the upper end of the outer frame 2 using the outer frame 2 and supported only by the outer frame 2, The lower structure 11 of the tower 1 can be structurally integrated with the outer frame 2 (invention according to claim 1).

  The existing tower 1 may be a tower provided with communication devices 1a to 1f such as antennas, and the shape and size thereof are not particularly limited. The tower-like tower 1 in the illustrated example assumes a steel tower having a height of about 330 m above a ground area of about 80 m × 80 m.

  The outer frame 2 according to the present embodiment is constructed by first assembling the flange portion 22 that forms the base portion and constructing the flange portion 22 as a base. That is, the outer frame 2 has a portion 12 (30 m above the ground) that divides the tower-like tower 1 in the vertical direction, as shown in FIGS. 1B and 4, as shown in FIGS. 1B and 4. It is constructed up to a height almost equal to the height), and is constructed based on the collar portion 22. Specifically, the flange 22 (outer frame 2) includes a large column 13 and a large beam 14 formed by combining members such as columns, beams, and braces, and the large column 13 is formed of the tower 1 As shown in FIG. 7, the large beam 14 is formed in a ring shape and a radial shape at the upper end portion of the large pillar 13 as shown in FIG. It is implemented with a structure in which the eight large pillars 13 are firmly joined in a balanced manner.

  Further, the flange portion 22 (outer frame 2) is formed by welding or abutting a contact portion (see a black circle portion in FIG. 7) between the large beam 14 installed in the radial direction and the lower structure 11 of the tower-like tower 1. It is firmly joined by joining means such as bolting, and is structurally integrated in advance (invention of claim 4). In addition, the number, form, etc. of each of the large columns 13 and the large beams 14 constituting the flange portion 22 (outer frame 2) are not limited to the illustrated example.

  Considering the fact that the outer frame 2 is finally constructed as an ultra-high layer of about 400 m above the ground, it is preferable to perform foundation work that maintains the proof stress corresponding to it. Incidentally, in this embodiment, as shown in FIG. 4 and FIG. 5, the multi-wall pile 4 having the center of the tower-shaped tower 1 arranged concentrically along the portion where the large column 13 is constructed is used. It is constructed to a depth of about 30 m by the underground continuous wall method in a form surrounding the foundation 5 of 1. The continuous wall pile 4 further has a large-diameter portion for constructing the large pillar 13 of the flange 22 and the large pillar 13 of the outer frame 2 constructed along the inside thereof, and the center of the tower tower. Are constructed in a radial manner in which large-diameter portions having a point symmetrical arrangement are connected across the foundation 5 of the tower 1.

  In addition, the form and depth of the said continuous wall pile 4 are not limited to this on condition that the proof stress which can construct | assemble the said outer frame 2 safely can be hold | maintained. Incidentally, FIG. 6 shows a plan view of an intermediate part between the lower structure 11 of the tower 1 and the flange 22 surrounding it.

  Next, the outer frame 2 is necessary to replace at least the communication devices 1a to 1f such as antennas provided in the tower 1 as shown in FIGS. In order not to cause radio interference up to a certain height, start up step by step, paying attention to the following.

  That is, the outer frame 2 is raised to a position below the communication device 1a of the tower 1 so as to be along the inner portion of the large column 13 of the flange portion 22, and new communication corresponding to the communication device 1a is performed. The device 2a is attached to the outer frame 2, the operation of the new communication device 2a and the old communication device 1a of the tower 1 is switched, and then the outer frame 2 is used as the communication device 1b of the next tower tower 1. The new communication device 2b corresponding to the communication device 1b is attached to the outer frame 2 and the operation of the old communication device 1b corresponding to the new communication device 2b and the tower 1 is switched. The work is repeated up to the uppermost communication device (antenna site) 1f of the tower 1 to reorder the communication devices 1a to 1f (invention according to claim 3). The old communication devices 1a ... of the tower 1 may be removed after switching. Incidentally, among the new communication devices 2a to 2g, so-called multi-plane antennas are used for the communication devices 2f and 2g.

  As described above, as shown in FIG. 2C, the outer frame 2 has the tower tower so as not to cause radio interference in the communication devices 1 a to 1 f such as an antenna provided in the existing tower tower 1. Construct to a height of about 400m above the ground. Incidentally, the outer frame 2 according to the present embodiment is constructed by the push-up method from FIG. 1C to FIG. 2B, and the height portion exceeding the tower 1 is as shown in FIG. 2C. It is constructed and implemented. Moreover, the said large beam 14 which comprises the said outer frame 2 is constructed and carried out substantially horizontally for every height of about 40-50 m.

  The outer frame 2 according to the present embodiment is constructed by assembling the collar portion 22 and starting from the ground with the collar portion 22 as a base, but rising from above with the collar portion 22 as a base. It can also be implemented in a configuration. Thus, the form of the outer frame 2 is not particularly limited as long as it has sufficient strength and height to be applicable as a main frame of the tower-like tower 1 to be built up in terms of structural design. It is not limited to.

  Further, when the outer frame 2 is raised in stages, it is preferable to reinforce the upper portion 10 of the tower-like tower 1 by bolting a reinforcing material such as a steel plate so as to withstand wind load ( Invention of Claim 5). Since this reinforcement work is performed using the outer frame 2 as a scaffold, in particular, the large beam 14, it is possible to safely carry out the work at a high place as much as possible.

  Furthermore, in the present embodiment, at the stage where the outer frame 2 is constructed to a height of about 400 m above the ground, the existing antenna site 1f of the tower tower 1 is replaced with a higher performance antenna site 2h. (Invention of Claim 6).

  Thus, prior to dividing the existing tower 1, the outer frame 2 is stably constructed to a required height (about 400 m), and communication devices 2 a to 2 g such as antennas are formed on the outer frame 2. Are replaced without interrupting the communication operation, and the reinforcement work of the existing tower 1 is completed (see FIGS. 1A to 2C).

  Next, the tower-like tower 1 is subjected to an operation of dividing the upper portion of the tower-like tower 1 while leaving the lower structure 11. In performing the dividing operation, the upper portion 10 and the lower structure 11 of the tower 1 to be divided are reinforced by appropriate reinforcing means in consideration of supporting the upper portion 10 and the lower structure 11 by the core frame 3. The foundation supporting the core frame 3 is also reinforced as necessary.

  Appropriate push-up means or lifting means are installed on the upper part 10 (about 300 m in height) and the lower structure 11 (about 30 m in height) of the divided tower 1. Further, a guide for assisting the upper portion 10 of the tower-like tower 1 to rise safely along the outer frame 2 while maintaining a vertical posture between the existing tower-like tower 1 and the newly-exposed outer frame 2. It is preferable to provide a mechanism (not shown) (the invention according to claim 7). Then, the upper portion 10 of the divided tower 1 is raised to a required height along the outer frame 2 by the pushing-up means or lifting means, and the core frame 3 raised from the ground is added to make it safe. (FIGS. 3A and 3B). Thereafter, the work for fixing the upper portion 10 of the tower 1 and the upper part of the outer frame 2 is performed, and the construction work for the tower tower having a height of about 650 m above the ground is completed. When the core frame 3 is used, it is preferably used as an elevator shaft after the fact (the invention according to claim 8).

  A facility such as an observation deck or a new digital transmission room can be constructed at the upper end of the outer frame 2 as necessary.

  Although the embodiments have been described with reference to FIGS. 1 to 7, the present invention is not limited to the embodiments of the illustrated examples, and design modifications that are usually performed by those skilled in the art without departing from the technical idea thereof, Note that it includes a range of application variations.

  For example, in the present embodiment, the existing tower-shaped tower 1 is implemented with a configuration that is divided at one location in the vertical direction, but may be implemented with a configuration that is divided at two or more locations (the invention according to claim 9). In addition, the outer frame 2 according to the present embodiment is constructed and implemented higher than the tower tower 1, but at least the height necessary for replacement of the communication devices 1 a... Such as an antenna provided in the tower tower 1. Of course, it is sufficient to construct it, and it is of course possible to construct and implement it lower than the tower 1. Furthermore, in the present embodiment, the tower tower having a height of about 330 m is formed with a super-high height of about 650 m, but the application height is of course not limited thereto.

AC is the schematic which showed the construction procedure of the high-rise construction method of the existing tower-shaped tower provided with communication apparatuses, such as an antenna concerning the invention described in Claim 1, in steps. AC is the schematic which showed the construction procedure of the high-rise construction method of the existing tower-shaped tower provided with communication apparatuses, such as an antenna concerning the invention described in Claim 1, in steps following FIG. . FIGS. 2A and 2B are schematic diagrams showing the construction procedure of an existing tower-shaped tower high-rise construction method equipped with communication equipment such as an antenna according to the invention described in claim 1 in a stepwise manner following FIG. 2. . It is the front view which showed the step which constructed | assembled the collar part (outer frame) so that the base of the existing tower-shaped tower might be surrounded. It is the top view which showed the foundation of the tower-shaped tower, and the foundation of a collar part (outer frame). It is the top view which showed the intermediate part of the collar part constructed so that the lower structure of the existing tower-shaped tower might be surrounded. It is the top view which showed the upper end part of the collar part constructed so that the lower structure of the existing tower-shaped tower might be surrounded.

Explanation of symbols

DESCRIPTION OF SYMBOLS 1 Existing tower tower 2 Outer frame 3 Core frame 4 Outer frame foundation 5 Existing tower tower foundation 1a-1f Communication equipment such as antenna 2a-2h Communication equipment such as antenna 10 Upper part of existing tower tower 11 Lower structure of existing tower tower 12 Site to divide tower tower vertically 13 Large pillar 14 Large beam 22

Claims (9)

In the high-rise construction method of existing tower towers equipped with communication devices such as antennas,
The outer frame of the form surrounding the tower tower is started up with a structure that does not cause radio interference up to the height required for replacement of communication equipment such as antennas provided in the tower tower, and The stage of re-installing communication equipment,
The lower structure of the tower tower and the upper part thereof are divided, and the upper part of the divided tower tower is lifted up to a height protruding upward from the upper end of the outer frame using the outer frame, Supporting the outer frame, and
2. A method for increasing the height of an existing tower-like tower equipped with communication equipment such as an antenna, wherein the tower-like tower has a lower structure structurally integrated with the outer frame. In the high-rise construction method of existing tower towers equipped with communication devices such as antennas,
The outer frame of the form surrounding the tower tower is started up with a structure that does not cause radio interference up to the height required for replacement of communication equipment such as antennas provided in the tower tower, and The stage of re-installing communication equipment,
The lower structure of the tower tower and the upper part thereof are divided, and the upper part of the divided tower tower is lifted up to a height protruding upward from the upper end of the outer frame using the outer frame, Supporting the outer frame and the core frame raised from the ground;
The lower structure of the tower-like tower comprises a step of structurally integrating with the lower part of the outer frame and the core frame, and a high-rise construction method of an existing tower tower equipped with communication equipment such as an antenna .   When the outer frame is started up, the outer frame is raised to a position below the tower tower communication device so that the communication equipment such as an antenna provided in the tower tower does not cause radio interference. Attach the corresponding new communication device to the outer frame, switch the operation between the new communication device and the old communication device of the tower tower, and then place the outer frame below the communication device of the next higher tower tower And install the new communication device corresponding to the communication device on the outer frame, and repeat the operation of switching the operation of the old communication device corresponding to the new communication device and the tower tower, and replace the communication device A method for increasing the height of an existing tower-like tower provided with communication equipment such as an antenna according to claim 1, wherein the construction is performed.   The lower structure of the tower-shaped tower and the upper part thereof are divided in advance, and the lower structure of the tower-shaped tower and the outer frame are structurally integrated in advance. A high-rise construction method of an existing tower tower equipped with communication equipment such as an antenna described in Kaichi.   The antenna or the like according to any one of claims 1 to 4, wherein the upper portion of the tower-like tower is reinforced to an extent that can withstand wind loads before the upper portion of the tower-like tower is lifted up. High-rise construction method of existing tower tower equipped with communication equipment.   The antenna communication according to any one of claims 1 to 5, wherein the antenna site of the tower tower is replaced with a new antenna site before the upper portion of the tower tower is lifted up. High-rise construction method of existing tower tower with equipment.   A guide mechanism is provided between the tower-shaped tower and the outer frame to assist the upper portion of the tower-shaped tower ascending while maintaining a vertical posture along the outer frame. A high-rise construction method for an existing tower-like tower equipped with a communication device such as an antenna described in any one of the above.   The core frame is utilized as an elevator shaft after the fact, and the existing tower-like tower construction method with communication equipment such as an antenna according to claim 2.   An existing tower equipped with a communication device such as an antenna according to any one of claims 1 to 8, wherein the tower-like tower divides the lower structure and the upper part thereof into two or more places. Of high-rise tower.

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