JP2018199933A - Structure body and construction method of structure constructed on top of tower-like building - Google Patents

Abstract

To provide a structure body and a construction method which do not require assembling and disassembling of many temporary materials and implements like a lift-up method in construction of a structure such as a roof to be installed on a top of a high tower-like building like a silo without hindering the construction process of a tower main body.SOLUTION: A parallel-cross shape large beam installed on a top of a skeleton of a tower body 3 comprises unidirectional large beams 4a, 4a fabricated with the same cross-sectional performance and length and intersecting large beams 4b, 4b intersecting with them, and is fixed on the top of the skeleton of the tower body 3. A floor framing 7a and an upper frame 7b are supported by columns 7c, 7c, ... standing upright at intersections between the unidirectional large beams 4a, 4a and the intersecting large beams 4b, 4b. The floor framing 7a comprises a main floor beam directly joined to the columns 7c, 7c, ... in an arrangement in which the unidirectional large beams 4a, 4a and the intersecting large beams 4b, 4b are superimposed in a plan view, and a plurality of small beams provided so as to intersect with them. The upper frame 7b comprises a frame having four columns 7c, 7c, ... as main columns.SELECTED DRAWING: Figure 3

Description

  The present invention relates to a structure of a structure to be installed at the top of a tower-shaped building having a high eave height such as a coal storage silo and a construction method of the structure.

  Conventionally, silos used for storage of coal, etc. are tower-like buildings with a hollow interior and high eaves height, and the roof shape is often frustoconical and structurally close to a shell structure. Since the number of constituent members is very large, the conventional method using a temporary support column for supporting a frame such as a roof under construction requires a large amount of temporary materials and requires a lot of time for on-site assembly. For this reason, a construction method is often employed in which almost the entire structure such as a roof is assembled at a low position near the ground and the finish is attached, and then lifted up.

  In the lift-up method, the roof and other frames are lifted up after the tower body such as a silo is completed, but as a construction procedure, first the foundation work of the tower body is made, followed by the roof on the ground. It is the order of assembling and finishing of the equal frame, and then the frame work for the tower body surrounding the frame such as the roof. Accordingly, there has been a drawback that the construction of the above-ground tower cannot be started until the construction such as the roof and the construction is completed, and the construction period becomes long.

  Also, the silo's planar shape is often circular (or polygonal), and large ones are about 50m in diameter x 50m in height, so the weight of temporary materials (jack receiving steel frame, etc.) for lifting up When the number of towers is about 150 t, and there are a plurality of tower bodies, assembly and disassembly of the equipment is required for each lift-up of each tower body. That is, there was room for improvement in terms of process, construction period, and construction cost.

  For example, Patent Documents 1 and 2 and Non-Patent Document 1 are known as prior arts related to a construction method for a structure installed at the top of a tower-like building having a high eave height such as a coal storage silo.

Japanese Patent No. 3212516 Japanese Patent No. 3212517 JP 2000-291285 A

Toshiyuki Kawazoe and two others, "Development of a super-large coal silo roof steel lift-up method", Architectural Institute of Japan Technical Report, June 2000, No. 10, PP.99-104

  Non-Patent Document 1 relates to a lift-up method in which a roof frame of a coal storage silo is actually constructed, and describes a contrivance of a gantry that is installed at the top of a silo tower and supports a jack used for lift-up. Therefore, no solution has been proposed or suggested for the above problem.

  In the present invention, when a structure such as a roof is installed on the top of a tower-like building having a hollow interior and a high eave height like a coal storage silo, a temporary support column is unnecessary, and the construction of the roof portion is a tower body. Without obstructing the construction process of the main body, as well as a structure that does not require assembly and disassembly work of many temporary materials and equipment for lift-up, such as the lift-up method, and a construction method that uses that structure. It is to provide.

In order to solve the above problems, a structure according to the present invention is a structure of a structure to be built on a tower-shaped building having the following configurations 1) to 6).
For towers with a circular or polygonal plane,
1) The floor frame and the upper frame of the roof frame are built on the strong cross-beam large beam installed at the top of the tower frame.
2) The cross beam-shaped girder is composed of two unidirectional girder bridges extending in one direction and two cross girder beams intersecting the two unidirectional girder beams. The four large beams have the same cross-sectional performance and length.
3) The cross beam-shaped girder is assembled so that all the distances from the four intersections of the one-way girder and the cross girder to the end of each girder are the same, and the end of each girder is the tower frame Fixed to the top.
4) The floor assembly and the upper frame are supported by four pillars erected at the intersection of the one-way large beam and the intersecting large beam, and the floor assembly is the one-way large beam in plan view. And a main floor beam directly joined to the column in an arrangement overlapping with the crossing cross beam, and a plurality of small beams arranged to cross the main floor beam.
5) The upper frame is constructed on the floor assembly, and is composed of four main columns that are erected at the intersection of the cross beam-shaped girder.
6) The unidirectional girder and the column are joined to each other, and a structural wall such as a shaft brace frame that connects the outer periphery of the floor assembly and the top of the tower frame includes the entire outer periphery of the floor assembly. It is provided around or around.

  Further, the structure according to the present invention is the structure of the structure constructed above the tower-shaped building described above, and the upper end level of the one-way large beam is higher than the upper end level of the crossed large beam for the cross beam-shaped large beam. The four pillars standing at the intersection of the one-way girder and the intersecting girder can be arranged on the one-way girder, which are higher by a certain dimension.

  Further, the structure of the structure to be constructed on the upper part of the tower-shaped building according to the present invention includes a roof structure for an adjacent tower body assembled on the cross beam-shaped large beam installed on the upper part of the tower body. In order to be able to slide to a predetermined position on the cross-girder-shaped girder installed at the upper part of the adjacent tower body, the one-way girder that is aligned with the sliding direction is temporarily installed among the girder-shaped girder of both towers. It can be connected with a connecting slide girder, a slide rail is installed on the one-way girder and the temporary connecting slide girder, a sliding material is placed on the upper surface of the sliding rail, and the pillar is placed on the sliding material. Can be placed. With the above configuration, the roof frame for the adjacent tower body can be slidable.

  Further, the structure of the structure constructed at the upper part of the tower-shaped building according to the present invention includes a roof structure for an adjacent tower body assembled on the cross beam-shaped large beam installed at the upper part of the tower body. In the case of sliding to a predetermined position on the cross beam-shaped girder installed at the upper part of the adjacent tower body, the H-shaped or groove-shaped cross section using a web surface horizontally on the one-way girder of the cross-girder-shaped beam. It can be used as a slide rail by placing a member, or forming the upper end of the one-way girder into an H-shaped or groove-shaped cross section that uses the web surface horizontally and placing a sliding material on the web upper surface. can do.

  When installing the girder-shaped girder on the top of the tower body, for example, one unidirectional girder is lifted one by one with a large crane, and it is bridged to the top of the tower body. Since it is possible to assemble the member reliably, a temporary support material is not necessary.

Next, this invention is the construction method of the structure constructed | assembled on the tower-shaped building upper part characterized by having the following processes using the structure concerning the above this invention.
In the construction method, two or more towers are constructed adjacent to each other in a row, and the roof frames for them are slid and moved one tower at a time.
1) A step of bridging and fixing a rigid cross-girder large beam to the top of the completed first tower using a lifting means such as a crane.
2) A step of bridging and fixing a rigid cross-girder-like beam to the top of the second tower frame completed adjacent to the first tower.
3) A temporary connecting slide girder that connects one-way girder whose axial direction matches the sliding direction among the girder-shaped girder installed at the top of the first and second towers is installed. Process.
4) A step of installing slide rails on the one-way girder and the temporary connecting slide girder in the first and second buildings.
5) Lifting the partial structure or member of the roof structure for the first building to be installed on the girder-shaped beam fixed to the top of the first tower by the lifting means such as crane from the outside of the tower Then, the process of assembling on the second girder-shaped beam.
6) The roof frame for the first building that has been assembled is slid on the slide rail using a sliding means such as a jack or a winch to move to a predetermined position on the cross beam-like beam in the first building. And a step of fixing to the first girder-shaped beam.
6a) When the tower is continuously constructed adjacent to the tower of the second building, the number of slides j has not reached the required number of slides K. = I + 1, the number of times of slide execution j = j + 1, and the same steps 2) to 6) are repeated for each roof frame.
7) When the number of slides j reaches the required number of slides K, after the last slide is completed, place the partial frame or member of the roof frame for the final building on the cross beam-like beam of the final building. The process of assembling the roof structure of the final building by lifting with a crane or other lifting means.
8) A step of fixing the roof frame at a predetermined position of the cross beam-shaped girder of the final building after assembling the roof frame of the final building.

  In addition, removal or replacement of the temporary connection slide girder or slide equipment connecting between the towers is performed each time the slide is completed.

Moreover, this invention is the construction method of the structure constructed | assembled on the tower-shaped building upper part characterized by having the following processes. In a construction method in which three or more tower bodies are constructed adjacent to each other in a row, and the roof frames of these tower bodies are connected to two or more tower bodies and slid at once.
1) A step of bridging and fixing a rigid cross-girder large beam to the top of the completed first tower using a lifting means such as a crane.
2) A step of bridging and fixing a rigid girder like a first girder at the top of the second tower frame completed adjacent to the first tower.
3) A step of installing a temporary connecting slide girder for mutually connecting each one-way girder among the girder-shaped girder installed at the top of the first and second towers.
4) The process of installing a slide rail on the one-way girder-like girder of the first and second buildings and the temporary connecting slide girder.
5) Lift the partial frame or member of the roof building for the first building to be installed on the cross beam-shaped beam fixed to the top of the first building frame by lifting means such as a crane from the outside of the tower. Then, the process of assembling on the second girder-shaped beam.
6) A step of bridging and fixing a rigid cross-girder-like beam to the top of the third tower frame completed adjacent to the second tower.
7) A step of installing a temporary connecting slide girder that mutually connects the one-way girder of the above-mentioned cross-girder-shaped girder installed at the top of the second and third towers.
8) A step of installing a slide rail on the one-way girder-like beam of the second and third buildings and the temporary connecting slide girder.
9) Lift the partial frame or member of the roof building for the second building to be installed on the cross beam-shaped beam fixed to the top of the second tower frame by lifting means such as a crane from the outside of the tower. And the process of assembling on the said 3rd cross-beam large beam.
10) A step of interconnecting the roof structures for the first and second buildings that have been assembled.
10a) It is determined at the time of completion of the step 10) whether or not the roof frame connection number r has reached the required connection number S, and if not, the roof frame connection number r = r + 1 is replaced with the step 6 described above. ) To 10) are repeated. When the roof frame connection number r reaches the required connection number S, the process proceeds to step 11).
11) Slide all the connected roof frames together on the slide rails installed on the one-way girder-shaped girder-shaped girder installed on the top of the tower frame up to the last building and the temporary coupling slide girder. The step of moving and fixing to a predetermined position on the cross beam-shaped girder already installed at the top of each tower body corresponding to each roof frame.
11a) When the tower is continuously constructed adjacent to the tower of the final building, the number of slides j has not reached the required number of slides K, so the roof frame connection number r is set to an initial value of 2. In order to go back to the next slide operation process, i = i + S is added to the building number i and the required number of roof frames S is connected, and the number of slides j is also replaced with j = j + 1. For the tower body, the same operations as in steps 2) to 11) are repeated for every two roof frames.
12) When the number of slides j reaches the required number of slides S, after the last slide is completed, the partial frame or member of the roof frame for the final building is placed on the cross beam-like large beam of the final building. The process of assembling the roof structure of the final building by lifting with a crane or other lifting means.
13) A step of fixing the roof structure of the last building to a predetermined position of the cross beam-like large beam of the last building after the assembly of the roof structure of the last building is completed.

  In addition, removal or replacement of temporary connection slide girders and slide equipment connecting between the towers will be performed each time the slide is completed.

  In the above construction method, when the girder-shaped girder is lifted from the outside of the tower body to the top of the tower body with a crane or the like, the adjacent tower body to be constructed next is at least the ground part body body before construction. Lifting work with a crane is possible.

  In addition, the temporary connecting slide girder is lightweight, so the crane required to lift it up and connect the one-way girder beams of each girder-shaped girder installed at the top of the adjacent tower body is small and completed. It is possible to lift and remove from the gap between adjacent towers.

The present invention is configured as described above and has the following effects.
(1) When installing the girder-shaped girder on the top of the tower body, for example, one unidirectional girder is preceded by a large crane, and then it is lifted by a large crane and laid on the top of the tower body. Therefore, after that, it becomes possible to assemble the members by using the large beams.
(2) A rigid cross-girder-shaped beam supporting the roof frame is installed as the main frame on the top of the tower frame, and the roof frame can be constructed on the cross-girder-shaped beam. Temporary struts are unnecessary, and in the case of the lift-up method, the quantity of necessary temporary materials can be greatly reduced.
(3) In the case of the slide method using the structure according to the present invention, the temporary materials are significantly less than the lift-up method, and the labor for overhanging is reduced, which greatly contributes to the reduction of the construction cost and the shortening of the construction period.
(4) Unlike the lift-up method, it is not necessary to suspend the tower work until the roof steel work is completed, and the tower work and the steel work can be carried out in parallel.
(5) The cross girder-shaped girder composed of four girder beams with the same cross-sectional performance and length is one-fourth symmetric and supports the vertical load from the roof frame only at its four intersections. The weight can be distributed almost uniformly without difficulty and transmitted to the tower body.
(6) The floor frame is fixed to the cross-girder-shaped beam, and at the same time, it is joined to the tower top by a horizontal resistance frame such as a frame brace, so that the seismic force can be reliably and easily secured. Can be transmitted to the body.
(7) The top level of the unidirectional girder that forms the cross beam is constructed by a certain dimension higher than the top level of the cross girder. This space is used when the roof frame is constructed by the slide method. Slide equipment, etc. can be installed in the building, and after completion, an inspection corridor, etc. for roof equipment can be installed.
(8) If the site is small or if multiple towers are constructed in close proximity, a large place where the roof frame will be grounded even if a large crane for lifting the roof frame can be secured. However, according to the present invention, since the cross beam-shaped girder is installed in the upper part of the tower body, the roof frame can be assembled on the tower girder.
(9) If one-way girder beams at the top of adjacent towers are connected with a temporary connecting slide girder, a sliding method will be possible. Can be built.
(10) Since the roof frame can be a general frame frame built on a floor frame using a cross beam instead of the conventional shell structure, the number of members is small, and the construction and construction Is simple.
(11) If a cross-beam large beam is used as a truss beam and an H-shaped steel having a horizontal web surface is used as its upper chord material, it can also be used as a slide rail, so that temporary members can be reduced.

It is the top view which showed one Embodiment of the cross-girder-like large beam which comprises the structure based on this invention, and is the ho-ho sectional view of FIG. 3 or FIG. It is the top view which showed one Embodiment of the floor set of the roof frame which comprises the structure which concerns on this invention, and is the cross-sectional view along the heavy line of FIG. 3 or FIG. FIG. 3 is a cross-sectional view of the structure according to the present invention, which is a cross-sectional view taken along the line ha-ha in FIG. It is sectional drawing of the structure which concerns on this invention, and is a knee line sectional view of FIG. 1 or FIG. It is a layout drawing of a tower-like building such as a silo, and is a plan view showing a case where a roof frame for one tower body is slid independently in the construction method according to the present invention. FIG. 6 is a cross-sectional view taken along the line II in the embodiment of FIG. 5. It is a flowchart of the construction procedure in the example of an application situation of FIG. 5 and FIG. It is a layout drawing of a tower-like building such as a silo, and is a plan view showing a case where a roof frame for one tower body is slid independently in the construction method according to the present invention. FIG. 9 is a cross-sectional view of the roll line in the embodiment of FIG. 8. It is a flowchart of the construction procedure in the example of an application situation of FIG. 8 and FIG. In the construction method which concerns on this invention, it is a flowchart of the construction procedure which showed the case where the roof frame for two or more buildings was connected and slid.

  Hereinafter, the present invention will be described with reference to the accompanying drawings. In addition, this invention is not limited to embodiment shown below.

  An embodiment of a structure according to the present invention will be described with reference to FIGS. As shown in FIG. 1, a cross beam-shaped girder 4 is installed on the top of a tower 3 and a floor assembly 7a and an upper frame 7b of a roof frame 7 are constructed thereon (see FIGS. 2 to 4).

  As shown in FIG. 1, the cross beam-shaped girder 4 is composed of one-way girder 4 a, 4 a laid across in the sliding direction and intersecting girder 4 b, 4 b intersecting them, and is fixed to the top of the tower body 3. . The unidirectional girder 4a, 4a and the cross girder 4b, 4b have a truss structure, and the upper chord material level of the unidirectional girder 4a, 4a is set higher than the upper chord material of the cross girder 4b, 4b by a certain dimension. A space S (see FIG. 3) is secured below 7a.

  The one-way large beams 4a and 4a and the crossed large beams 4b and 4b are manufactured to have the same cross-sectional performance and length.

  The unidirectional girder 4a, 4a is provided with a connecting portion (not shown) for connecting the temporary connecting slide girders 5, 5 on the outer sides of both ends, and can be joined with a bolt or the like.

  The floor set 7a and the upper frame 7b are supported by columns 7c, 7c,... Standing at the intersection of the one-way large beams 4a, 4a and the crossed large beams 4b, 4b. 2 to 4, the main floor beams 8, 8,... Directly joined to the columns 7c, 7c,... Are arranged so as to overlap the unidirectional large beams 4a, 4a and the intersecting large beams 4b, 4b in plan view. And a plurality of small beams 8a, 8a,...

  The main floor beams 8 and 8 positioned above the one-way large beams 4a and 4a of the floor set 7a are provided with connecting portions (not shown) for connecting the temporary connecting members 5a and 5a to the outer sides of both ends. Can be joined with bolts.

  As shown in FIG. 3 or 4, the upper frame 7b is composed of columns 7c, 7c,..., Eaves beams 7d, 7d,... That connect them, and wall braces 7e, 7e,.

  The slide rails 6 and 6 for sliding the roof frame 7 are installed on the upper chord material of the one-way beams 4a and 4a (the position indicated by the alternate long and short dash line in FIGS. 3 and 4), and slide on the slide rails 6 and 6 A material (not shown) is placed, and the friction between the pillars 7c, 7c,. After the slide is completed, the roof frame 7 is fixed by joining the upper chord members of the one-way beams 4a and 4a and the column bases of the columns 7c, 7c,. After the slide is completed, the slide rails 6 and 6 may be removed or left.

  In addition, for the slide rails 6 and 6, H-shaped steel with a horizontal web surface is used as the upper chord material of the unidirectional large beams 4a and 4a, which are truss beams, and a sliding material (not shown) is placed on the upper surface of the web. Therefore, if it is also used as a slide rail, temporary materials can be reduced. In this case, since the flange of the H-shaped steel is vertical, it also serves as a guide for the column bases of the columns 7c, 7c,.

  After joining the upper chord material of the unidirectional girder 4a, 4a and the columns 7c, 7c,..., A structural wall 10 such as a frame brace frame for connecting the outer periphery of the floor assembly 7a and the top of the tower 3 (FIG. 3). And the vertical broken line in FIG. 4) is provided on the entire circumference or part of the outer periphery of the floor set 7a (see the double broken line in FIG. 2), thereby Construction of the structure is complete.

Since the structure according to the present invention is a structure constructed on the top of the tower body 3 with the above configuration, it has the following characteristics.
(1) The tower 3 of the cross beam-shaped beam 4 is installed on the top of the frame, and the tower is lifted by a large crane one by one in advance in one of the four directions, for example, the one-way beam 4a. Since the body 3 can be bridged to the top of the body, it is possible to assemble the members using the large beams thereafter.
(2) Since the cross-girder-shaped beam 4 is fixed to the top of the tower body 3, a temporary support post for the roof frame 7 to be installed thereafter is not required, and it is not necessary to secure a wide ground structure.
(3) Since the cross beam-like girder 4 can be used as a slide girder, the cross-girder-like girder 4 is also installed at the top of the frame of the adjacent tower 3, and the unidirectional girder 4a, 4a,. If it connects by 5, ..., a slide construction method can be applied in the construction method of the roof frame 7. FIG.
(4) Since the upper chord material level of the one-way beams 4a and 4a is set higher than the upper chord material of the intersecting beam beams 4b and 4b by a certain dimension, the space S is created under the floor set 7a. It can be used for installation of slide equipment such as wire rope and inspection corridors.
(5) The unidirectional girder 4a, 4a and the intersecting girder 4b, 4b are manufactured to have the same cross-sectional performance and the same length, and the four unidirectional girder 4a, 4a and the intersecting girder 4b, 4b The columns 7c, 7c,..., Which are assembled so that the distances from the beam ends to the ends of the beams are all the same, the ends of the beams are fixed to the top of the tower 3 and the roof frame 7 is supported. Since it is placed at these four intersections, the reaction force of each large beam fulcrum (joint point between the cross-girder-shaped large beam 4 and the tower body 3) due to the weight of the roof is almost uniformly distributed without difficulty. It can be transmitted to the housing.
(6) The seismic horizontal force acting on the roof frame can be transmitted to the tower body 3 without difficulty by the structural wall 10 that connects the outer periphery of the floor set 7 a and the top of the tower body 3.

  Next, an example of a construction method for constructing a structure on the top of a tower-like building using the structure according to the present invention will be described with reference to the drawings.

  FIGS. 5-7 shows the 1st Example of the construction method based on this invention, and has the following processes 1) -8). In the present embodiment, nine towers (or more) such as silos are arranged on the site 1 surrounded on three sides by the adjacent land shown by diagonal lines in FIG. 5, of which seven existing towers 2, 2, In this case, the new towers 3, 3,... Are sequentially constructed in a place surrounded by..., And the roof frame 7 for each tower 3 is constructed by one slide structure. In FIG. 7, the flowchart of the construction in a present Example is shown.

1) The step of lifting and fixing the cross beam-like girder 4 in which the girder-like girder 4 in which the rigid girder is assembled in a cross girder shape at the top of the frame of the completed first tower 3 is carried out by the crane 20 (Step. 1 in FIG. 7) , And so on),
2) Next, on the top of the frame of the second tower 3 completed adjacent to the first tower 3, the crane 20 is used to bridge and fix the same rigid cross-girder beam 4 as in the first building. Process (Step.2),
3) One-way girder 4a, 4a in which the axial direction of the girder-shaped girder 4, 4 installed at the top of the towers 3, 3 of the first and second towers coincides with the sliding direction (arrow direction in FIG. 6). A step of installing temporary connection slide girders 5 and 5 that connect each other (Step.3),
4) A step of installing the slide rails 6 and 6 on the one-way beams 4a, 4a,...
5) A partial frame or member of the roof frame 7 for the first building to be installed on the cross beam-shaped beam 4 fixed to the top of the first building 3 is lifted by the crane 20 from the outside of the tower. Then, the process of assembling on the second tower girder-shaped beam 4 (Step.5),
6) After installing a slide device (not shown) such as a jack or winch (see display ▼ in FIG. 7), slide the assembled roof frame 7 for the first building on the slide rails 6 and 6 The process of moving to a predetermined position on the first girder-shaped beam 4 and fixing it to the first girder-shaped beam 4 (Step.6),
6a) When the tower 3 is continuously constructed adjacent to the tower 3 of the second building, the number of times of slide j does not reach the required number of times of slide K. Each is increased by 1 and the same operation as 2) to 6) is repeated for each roof frame 7 for the third and subsequent towers 3 (Step 6a).
7) When the number of times of slide j reaches the required number of slides K, after the last slide is completed, the partial frame or member of the roof frame 7 for the final building is placed on the tower girder-shaped beam 4 of the final building. 3. Step of assembling the roof frame 7 of the final building by lifting from the outside with lifting means such as crane 20 (Step 7),
8) After assembling the roof frame 7 of the last building, the step of fixing the roof frame 7 to a predetermined position of the cross beam-like girder 4 of the last building (Step 8),
This is a construction method in which the roof frame for one tower is slid repeatedly by the above process.

  It should be noted that the temporary connection slide girder 5 and the slide equipment connecting between the tower bodies 3 are removed or replaced after the slide is completed (see display ▽ and ◆ in FIG. 7).

  8 to 10 show a second embodiment of the construction method according to the present invention, which comprises the following steps 1) to 13). In the second embodiment, nine towers (or more) such as silos are arranged in the site 1 surrounded on three sides by the adjacent area shown by diagonal lines in FIG. In the case where new tower bodies 3, 3, 3,... Are sequentially constructed in a place between two,..., Two roof frames 7 for each tower body 3 are connected to each other by a slide method. It is a method of construction. In FIG. 10, the flowchart of the construction in a present Example is shown.

1) The step of lifting and fixing the cross beam-like girder 4 in which the girder-like girder 4 is formed in a cross girder shape at the top of the frame of the completed first tower 3 by the crane 20 (Step. 1 in FIG. 10). , And so on),
2) A step of bridging and fixing the same rigid cross-girder beam 4 similar to that of the first building with the crane 20 to the top of the frame of the second building 3 completed adjacent to the first tower 3 ( Step.2),
3) Temporary connecting slide girders 5 and 5 for connecting the unidirectional girder beams 4a and 4a of the girder-shaped girder beams 4 and 4 installed at the tops of the towers 3 and 3 in the first and second buildings are installed. Process (Step.3),
4) A step of installing the slide rails 6 and 6 on the one-way large beams 4a and 4a and the temporary connecting slide beams 5 and 5 in the first and second well-shaped large beams 4 and 4 (Step 4),
5) A partial frame or member of the roof frame 4 to be installed on the cross beam-shaped girder 4 fixed to the top of the first tower 3 is lifted by the crane 20 from the outside of the tower 3, and the two buildings Assembling process on the grid-shaped beam 4 (Step.5),
6) A step of bridging and fixing a rigid cross-girder-like beam 4 similar to that of the second building to the top of the housing of the third tower 3 completed adjacent to the second tower 3 with the crane 20 ( Step.6),
7) Temporary connecting slide girders 5 and 5 for connecting the unidirectional girder beams 4a and 4a of the girder-shaped girder beams 4 and 4 installed at the tops of the towers 3 and 3 in the second and third buildings are installed. Process (Step.7),
8) A step of installing the slide rails 6 and 6 on the unidirectional large beams 4a and 4a and the temporary connecting slide beams 5 and 5 in the second and third cross beams 4 and 4 in the second building (Step 8),
9) The partial frame or member of the roof frame 7 to be installed on the cross beam-shaped girder 4 fixed to the top of the second tower 3 is lifted by the crane 20 from the outside of the tower 3, and the three buildings Assembling process on the eye girder-shaped beam 4 (Step 9),
10) A step of connecting the roof structures 7 and 7 for the first building and the second building that have been assembled to each other with the temporary connecting members 5a and 5a (Step 10),
11) After installing a sliding device (not shown) such as a jack or winch (see display ▼ in FIG. 10), each cross-girder-shaped beam 4 installed at the top of the tower 3 of the tower 3 of the first to third buildings. Are integrally slid on the slide rails 6 and 6 installed on the one-way girder 4a, 4a,... And the temporary connecting slide beam 5, 5,. (3) a step of moving to a predetermined position on the cross-girder-shaped beams 4 and 4 already installed at the top of the frame 3 and fixing (Step 11);
11a) When the tower 3 is further constructed adjacent to the tower 3 of the third building, the number of slides j has not reached the required number of slides K. The number of times j is increased by 1, and the same steps as steps 2) to 11) are repeated for each of the fourth and subsequent tower bodies 3 (Step 11a)
12) When the number of slides j reaches the required number of slides K, after the last slide is completed, a partial frame or member of the roof frame 7 for the final building is placed on the cross-beam large beam 4 of the final building. 3. Step of assembling the roof structure 7 of the final building by lifting from the outside with a lifting means such as a crane 20 (Step 12),
13) A step of fixing the roof building 7 of the last building to a predetermined position of the cross beam-like beam 4 of the last building after the assembly of the roof building 7 of the last building is completed (Step 13),
It is the construction method of the structure constructed | assembled on the tower-shaped building upper part characterized by having the above process.

  It should be noted that the temporary connection slide girder 5 and the slide equipment connecting between the tower bodies 3 are removed or replaced after the slide is completed (see display ▽ and ◆ in FIG. 10).

  In the second embodiment described above, the number of connections r of the roof frame 7 that slides is the same as that of the two towers. However, the number r of connections of the roof frame 7 is more generally S (= 2, 3,...) In the case of performing, the connecting work of the roof frames 7 and 7 for two adjacent buildings executed in Steps 6 to 10 in the flowchart of FIG. 10 is repeated until the connection number r of the roof frame 7 reaches the required connection number S. After that, step 11 and subsequent steps of the slide operation of that time may be executed.

  That is, FIG. 11 shows a generalized flowchart of this. It is determined at the time of completion of Step 10 whether the number of connections r of the roof frame 7 has reached the required number of connections S. If not, r = r + 1 and the loop of Steps 6 to 10 in the figure is repeated. If r = S, the process proceeds to Step 11 where the number of connections r of the roof frame 7 is returned to the initial value (= 2), and the work loop of the next slide may be advanced.

  In the above construction method, when the girder-shaped girder 4 is lifted from the outside of the tower 3 to the top of the tower 3 by means of the crane 20 or the like, the adjacent tower 3 to be constructed next is at least the above-ground tower. Since it is before construction, lifting work with a large crane is possible.

  Moreover, since the temporary connection slide girder 5 is lightweight, it is necessary to lift it and connect the one-way girder 4a, 4a of the cross girder-shaped girder 4, 4 installed on the top of the adjacent tower bodies 3, 3. The crane may be small and can be lifted and removed from the gap between the completed adjacent towers 3 and 3.

  The present invention is capable of reducing costs and shortening the construction period compared to the lift-up method, which has often been used in the past in the construction of structures to be installed at the top of tower buildings with high eaves, such as coal storage silos. The structure to be used and the construction method utilizing the structure are provided, and it contributes greatly to the rationalization of the construction of the tower-like building roof frame.

1: Site 2: Existing tower 3: Tower 4: Cross beam 4a: One-way beam 4b: Cross beam 5: Temporary connection slide girder 5a: Temporary connection material 6: Slide rail 7: Roof frame 7a: Floor assembly 7b : Upper frame 7c: Column 7d: Eaves beam 7e: Wall brace 8: Main floor beam 8a: Small beam 10: Structural wall 20: Crane

Claims (6)

The structure of the structure constructed | assembled in the tower-like building upper part which has the structure of the following 1) -6).
1) The floor frame and the upper frame of the roof frame are constructed on the cross-girder beam installed at the top of the tower frame.
2) The cross beam-shaped girder is composed of two unidirectional girder bridges extending in one direction and two intersecting girder beams crossing the two unidirectional girder beams, and the cross-sectional performance of the four unidirectional girder beams and the cross girder beam. The length is the same.
3) The cross beam-shaped girder is assembled so that all the distances from the four intersections of the one-way girder and the cross girder to the end of each girder are the same, and the end of each girder is the tower frame Fixed to the top.
4) The floor assembly and the upper frame are supported by four pillars erected at the intersection of the one-way large beam and the intersecting large beam, and the floor assembly is the one-way large beam in plan view. And a main floor beam directly joined to the column in an arrangement overlapping with the crossing cross beam, and a plurality of small beams arranged to cross the main floor beam.
5) The upper frame is constructed on the floor assembly, and is composed of four main columns that are erected at the intersection of the cross beam-shaped girder.
6) The one-way girder and the column are joined, and a structural wall that connects the outer periphery of the floor assembly and the top of the tower frame is provided on the entire periphery or part of the outer periphery of the floor assembly. It has been. In the structure of the structure constructed in the upper part of the tower-shaped building according to claim 1,
The upper end level of the one-way girder constituting the cross beam-shaped girder is higher than the upper end level of the cross girder by a certain dimension, and is erected at the intersection of the one-way girder and the cross girder. A structure of a structure to be constructed on the top of a tower-shaped building, wherein four columns are installed on the one-way beam. In the structure of the structure constructed in the upper part of the tower-shaped building according to claim 1 or 2,
The roof structure for the adjacent tower assembled on the cross-girder large beam installed on the upper part of the tower body can be slid to a predetermined position on the cross-girder large beam installed on the upper part of the adjacent tower body. In order to make the tower body and the cross-girder-shaped large beams of the adjacent tower body, the one-way large beams matched with the sliding direction can be connected with a temporary connection slide girder, A slide rail is installed on the temporary connecting slide girder, a sliding material is placed on the upper surface of the sliding rail, and the pillar can be placed on the sliding material.
The structure of the structure constructed in the upper part of the tower-like building, wherein the roof frame for the adjacent tower body is slidable in the above configuration. In the structure of the structure constructed in the upper part of the tower-like building according to any one of claims 1 to 3,
The roof frame for the adjacent tower body assembled on the cross beam-shaped girder installed at the upper part of the tower body frame is slid to a predetermined position on the cross-girder type beam installed at the upper part of the adjacent tower body frame. In this case, an H-shaped or groove-shaped cross-section member that uses the web surface horizontally is placed on the one-way beam of the cross beam-shaped beam, or the web surface is used horizontally at the upper end of the one-way beam. A structure of a structure constructed on the top of a tower-shaped building, which is formed into an H-shaped or groove-shaped cross section and can be used as a slide rail by placing a sliding material on the upper surface of the web. A method for constructing a structure to be constructed on an upper part of a tower-shaped building, comprising the following steps, wherein the method is for constructing the structure according to any one of claims 1 to 4.
In a construction method in which two or more towers are constructed adjacent to each other in a row, and the roof frame for the tower is slid by one tower at a time,
1) A step of bridging and fixing a cross-girder-shaped beam to the top of the completed first tower, using lifting means.
2) A step of bridging and fixing a cross-girder-like beam to the top of the second tower frame completed adjacent to the first tower.
3) A step of installing a temporary connecting slide girder that mutually connects unidirectional girder beams whose axial directions coincide with the sliding direction among the girder-shaped girder beams installed at the tops of the first and second towers. .
4) A step of installing slide rails on the one-way girder and the temporary connecting slide girder in the first and second buildings.
5) A step of assembling the roof structure for the first building to be installed on the cross beam-shaped girder already fixed to the top of the first building frame on the second girder-shaped beam.
6) The roof structure for the first building, which has been assembled, is slid on the slide rail using a sliding means, and moved to a predetermined position on the first girder-shaped beam. The process of fixing to the eye girder-shaped beam.
6a) When the tower is continuously constructed adjacent to the tower of the second building, the tower number i = i + 1 is set for the towers of the third and subsequent buildings until the number of slides j reaches the required number of slides K. The step of replacing the number of times of slide execution j = j + 1 and repeating the same operations as 2) to 6) for each roof frame for one building.
7) A step of assembling the roof structure of the final building on the cross beam-like beam of the final building after the completion of the final slide when the slide execution number j reaches the required slide number K.
8) A step of fixing the roof frame at a predetermined position of the cross beam-like large beam of the final building after the completion of the assembly of the roof frame of the final building. A method for constructing a structure according to any one of claims 1 to 4, comprising the steps of 1) to 13) below: Construction method of structure.
In a construction method in which three or more towers are constructed adjacent to each other in a row, and those roof frames are connected by two or more towers and slid at a time.
1) A process of crossing and fixing a cross beam-shaped girder to the top of the completed first tower using a lifting means.
2) A step of bridging and fixing a girder like a first girder at the top of the second tower frame completed adjacent to the first tower.
3) A step of installing a temporary connecting slide girder for mutually connecting each one-way girder among the girder-shaped girder installed at the top of the first and second towers.
4) The process of installing a slide rail on the one-way girder-like girder of the first and second buildings and the temporary connecting slide girder.
5) A step of assembling the roof structure for the first building to be installed on the cross beam-shaped girder fixed to the top of the first tower frame on the second girder-shaped beam.
6) A step of bridging and fixing a cross-girder-like beam to the top of the third tower frame completed adjacent to the second tower.
7) A step of installing a temporary connecting slide girder that mutually connects the one-way girder of the above-mentioned cross-girder-shaped girder installed at the top of the second and third towers.
8) A step of installing a slide rail on the one-way girder-like beam of the second and third buildings and the temporary connecting slide girder.
9) A step of assembling the roof structure for the second building to be installed on the cross beam-shaped girder fixed to the top of the second tower frame on the third girder-shaped beam.
10) A step of interconnecting the roof structures for the first and second buildings that have been assembled.
10a) It is determined at the time of completion of the step 10) whether or not the roof frame connection number r has reached the required connection number S, and if not, the roof frame connection number r = r + 1 is replaced with the step 6 described above. ) To 10) are repeated. When the roof frame connection number r reaches the required connection number S, the process proceeds to step 11).
11) Slide all the connected roof frames together on the slide rails installed on the one-way girder-shaped girder-shaped girder installed on the top of the tower frame up to the last building and the temporary coupling slide girder. The step of moving and fixing to a predetermined position on the cross beam-shaped girder already installed at the top of each tower body corresponding to each roof frame.
11a) When the tower is further constructed adjacent to the tower 3 of the final building, the number of slides j has not reached the required number of slides K, so the roof frame connection number r is set to the initial value 2 In order to proceed to the next slide operation process, i = i + S is added to the building number i and the necessary number of connections S of the roof frame is replaced, and j = j + 1 is also performed for the number of slides j For the towers that follow, the same operations as steps 2) to 11) are repeated for every two roof frames.
12) A step of assembling the roof structure of the final building on the cross beam-like beam of the final building after the completion of the final slide when the slide execution number j reaches the required slide number S.
13) A step of fixing the roof structure of the last building to a predetermined position of the cross beam-like large beam of the last building after the assembly of the roof structure of the last building is completed.

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