JP2008280680A - Construction method for hanging structure building, and hanging structure building - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide a construction method for a hanging structure building, which enables the fine adjustment of the inclination and height of a beam floor member to be easily performed even during a lifting operation. <P>SOLUTION: This construction method comprises: a step of constructing a horizontal member 10 at a predetermined height; a step of connecting the beam floor members of stories within the range of the predetermined number of stories by means of a temporary hanging column 120 by constructing the beam floor members 40 of the stories within the range of the predetermined number of stories on ground; a step of removing the temporary hanging column 120 of the operation target story in the state of supporting the beam floor members 40 from the uppermost story to the story directly above the operation target story within the range of the predetermined number of stories and supporting the beam floor members 40 of the lowermost story or the stories from the lowermost story to the operation target story within the range of the predetermined number of stories, while making the horizontal member 10 bear the reaction, by means of a beam-floor-member lifting/lowering device 130, in such a manner that the respective stories, except the uppermost story, among the stories within the range of the predetermined number of stories are set as the operation target stories in a proper order; a step of lifting the beam floor members 40 from the uppermost story to the story directly above the operation target story within the range of the predetermined number of stories by using the lifting/lowering device 130, until the story height of the operation target story reaches a predetermine height; and a step of constructing the finally-installed hanging column of the operation target story. <P>COPYRIGHT: (C)2009,JPO&INPIT

Description

  The present invention relates to a method for constructing a suspended structure building in which a plurality of beam floor members are suspended from a megaframe.

  Conventionally, a mega frame in which a horizontal member is installed between a plurality of vertical members, a beam floor member constituting a floor of each floor, a beam floor member of each floor and a beam floor member and a mega frame of the uppermost floor Suspension structure building comprised with the suspension pillar which connects between is constructed.

As a method for constructing such a suspended structure building, for example, in Patent Document 1, after constructing a mega frame, the beam floor members of each floor are molded on the ground, and these beam floor members are connected by rods. A method of constructing a suspended structure building by lifting a rod by an elevating device installed on a horizontal member and fixing the upper end of the rod to a horizontal member constituting a mega frame is described.
Japanese Patent No. 2717142

  However, in the above method, since the lifting work is performed in a state where all the beam floor members are connected by the rods, once the lifting work is started, the beam floor member is adjusted in inclination or the height of the beam floor member is increased. You cannot fine-tune the height. Therefore, in order to adjust the inclination of the beam floor member and finely adjust the height, the lifting work must be stopped, all the beam floor members must be lowered to the ground, the rods must be replaced, and the lifting work must be performed again. Don't be.

  The present invention has been made in view of the above problems, and an object of the present invention is to provide a construction method of a suspended structure building that can easily adjust the inclination of the beam floor member and finely adjust the height even during the lifting work. It is to be.

  The method for constructing a suspended structure building according to the present invention includes a beam member, a beam floor member, or a floor member (hereinafter referred to as a beam member, etc.) on each floor in a predetermined floor range, from the main beam supported at a predetermined height. A method for constructing a suspended structure building having a structure suspended from a main suspension pole on the same floor as a beam member and the upper floor, wherein the main beam is supported at a predetermined height. The main beam construction step of constructing or installing as described above, and on the ground, constructing a beam member or the like of the floor within the predetermined floor range, and the beam member or the like of the floor within the predetermined floor range from the main suspension column A beam member connecting step using a short and removable temporary suspension pillar, and at least a part of the floors excluding the uppermost floor in the predetermined floor range as work floors in an appropriate order. While taking the reaction force to the main beam by the lifting device, the predetermined floor range The beam of the floor from the top floor to the floor directly above the work floor and the floor from the bottom floor or the floor to the work floor in the predetermined floor range The temporary suspension column removing step of removing the temporary suspension column on the work target floor in a state where the member is supported, and the work target from the uppermost floor in the predetermined floor range by the lifting device such as the beam member A beam member ascending step for raising the beam members and the like up to the floor immediately above the floor until the floor height of the work target floor reaches a predetermined height, and the beam members and the like of the work target floor A suspension column connecting step of connecting to a beam member or the like on the floor of the target floor with a permanent suspension column is performed. The floors other than the at least some of the floors are not limited to the method of the present invention, and may be constructed by an appropriate method.

  Here, in the construction method of the above suspended structure building, the beam member elevating device causes the beam member of the lowest floor of the predetermined floor range to reach a predetermined height until the beam member of the predetermined floor range has a predetermined height. The lowermost floor raising step for raising beam members and the like of all the floors and the uppermost floor hanging pillar construction step for constructing the main suspension pillar on the uppermost floor of the predetermined floor number range may be further performed. .

  Further, the lowermost floor ascending step may be performed after the beam member connecting step, and may be set as the work target floor from the lowermost floor in the predetermined floor range upward.

  Further, the main beam is supported at a predetermined height by a support member standing around the beam member, and the beam member and the support member on each floor within the predetermined floor range are In the suspension column construction step, the beam member on the floor immediately above the work target floor and the support member may be further connected via the connecting member.

  Further, the beam member lifting device includes a suspension member having a lower end fixed to a beam member or the like of any floor from the uppermost floor of the predetermined floor range to the floor immediately above the work target floor, A lifting mechanism that is attached to a main beam and supports the upper part of the suspension member and that can lift the suspension member; and in the beam member ascending step, the lifting mechanism raises the suspension member Accordingly, the beam members and the like of the floors from the floor immediately above the work target floor to the top floor in the predetermined floor range may be raised.

  The elevating device such as a beam member includes a suspension member having an upper end fixed to the main beam, and a beam on any floor from the top floor to the floor immediately above the work floor in the predetermined floor range. An elevating mechanism that is attached to a lower side of a member or the like and supports the hanger, and that can be moved up and down along the hanger. In the elevating step of the beam member, the elevating mechanism is attached to the hanger. The beam members and the like on the floor from the uppermost floor of the predetermined floor range to the floor immediately above the work target floor may be lifted by rising along the floor.

  Further, the temporary suspension pillar can be inserted with the suspension material therein, and a through-hole is provided in a portion to which the temporary suspension pillar such as the beam member is connected, and the lifting device installation step Then, you may install the raising / lowering apparatus, such as said beam member, so that the said suspension material may penetrate the inside of the said suspension column, and through-holes, such as the said beam member.

  Further, in the elevating device installation step, a through hole is provided so as to be arranged in a vertical direction at a portion other than the position where the temporary suspension pillar such as the beam member is connected, and the suspension member is inserted through the through hole. You may install the said suspension material in.

Further, in the lifting device installation step, the lifting device may be installed so as to lift and lower the beam member on the uppermost floor in the predetermined floor range while taking a reaction force on the main beam.
Moreover, the suspended structure building of this invention was constructed | assembled by said method.

  According to the present invention, the beam of all floors can be adjusted even during lift-up work by appropriately adjusting the height of the beam floor member and the length of the suspension column on the floor directly above the work target floor by the lifting device. Fine adjustment of the floor height and inclination of the beam floor member can be adjusted without lowering the floor member to the ground.

Hereinafter, an embodiment of a construction method of a suspended structure building of the present invention will be described with reference to the drawings.
FIG. 1 is a front view showing a configuration of a suspended structure building 100 constructed by the construction method of the present embodiment. As shown in the figure, a suspended structure building 100 according to the present embodiment includes a plurality of vertical members (corresponding to support members in claims) 20 and a horizontal member laid between these vertical members 20 (claims). 10), a beam floor member 40 in which floor slabs and beams constituting the floors of the second to eighth floors are integrated, a horizontal member 10 and the uppermost floor (eighth floor). The suspension pillar 50 which connects between the beam floor members 40 and between the beam floor members 40 of each floor, and the connection member 60 which connects the vertical member 20 and the beam floor member 40 of each floor are provided.

  FIG. 2 is a perspective view showing members constituting the suspension pillar 50. As shown in the figure, the suspension column 50 is configured by bolting a pair of steel pipes 152 divided in the axial direction. Thereby, as will be described later, the rod 132 of the beam floor member elevating device 130 can be inserted, and assembly and removal can be easily performed.

  Returning to FIG. 1, the connecting member 60 may be configured to use a rigid member so that the beam floor member 40 can be rigidly connected to the vertical member 20 of the megaframe 30, or a spring member or a damper may be used. It is good also as a structure.

Hereinafter, the construction method of such a suspended structure building 100 will be described.
3-7 is a figure for demonstrating the construction method of the building of the suspension structure of this embodiment.
As shown in FIG. 3, first, in STEP 1, the vertical member 20 constituting the mega frame 30 is constructed, and is composed of a steel-jointed rod 112 and a jack 111 so as to apply a reaction force to the upper portion of the vertical member 20. The horizontal member elevating device 110 is installed. That is, the jack 111 is installed at the upper end of the vertical member 20, and the upper portion of the rod 112 is attached to the jack 111. In addition, the vertical member 20 may carry in and install what was built beforehand.

  As such a jack 111, for example, a jack with a shackle that can be moved up and down along the rod 112 (for example, manufactured by JFE Civil Co., Ltd.) is suitable. Moreover, it can replace with the rod 112 and a steel wire, steel materials, etc. can also be used.

  Next, in STEP 2, the horizontal member 10 constituting the mega frame 30 is constructed on the vent 140 installed on the ground. In addition, you may perform the process of constructing this horizontal member 10 before the process of installing the horizontal member raising / lowering apparatus 110 in STEP1. Moreover, the horizontal member 10 may carry in what was constructed | assembled previously. Then, the horizontal member 10 is fixed by the fixing unit 113 under the rod 112 extending downward from the jack 111.

Next, in STEP 3, the horizontal member 10 is lifted by the horizontal member lifting device 110, and the horizontal member 10 is connected to the vertical member 20.
Next, in STEP 4, the horizontal member elevating device 110 is disassembled and removed.

  Next, in STEP 5, the beam floor members of the second to eighth floors are constructed on the ground vent 140, and the beam floor members 40 are connected by the temporary suspension pillars 120. The temporary suspension column 120 is formed of a steel pipe 152 divided into a plurality of pieces in the length direction as shown in FIG. 2, like the permanent suspension column 50, and the rod 132 can be inserted therein. Also, it can be easily assembled and removed. Moreover, the opening is provided so that the rod 132 can be penetrated also in the position where the temporary suspension pillar 120 of the beam floor member 40 of the 2nd-8th floor is connected.

  And the beam floor member raising / lowering apparatus 130 comprised with the jack 131 and the rod 132 is installed so that the beam floor member 40 of the 2nd floor can be raised / lowered, taking reaction force to the horizontal member 10. FIG. That is, the rod 132 is inserted into the opening of the beam floor member 40 on the second to eighth floors and the inside of the temporary suspension column 120, and the jack 131 is attached to the upper end portion of the rod 132 so as to be supported by the horizontal member 10. The lower end of the beam is attached by the fixing unit 133 so as to support the beam floor member 40 on the second floor from below.

Next, in STEP 6, the beam floor member lifting device 130 raises the beam floor members 40 on the second to eighth floors until the beam floor members 40 on the second floor reach a predetermined height.
Next, in STEP 7 in FIG. 4, the height of the vent 140 is adjusted so that the beam floor member 40 on the second floor can be supported from below by the vent 140 on the ground. Then, the beam floor member 40 on the second floor and the vertical member 20 are connected by the connecting member 60, and the fixing portion 133 attached below the beam floor member 40 on the second floor is removed.

  Next, in STEP 8, the fixing unit 133 is attached below the beam floor member 40 on the third floor so that the beam floor member 40 on the third floor can be supported by the beam floor member lifting device 130. At this time, since the beam floor member 40 on the second floor is supported by the vent 140, it does not fall. Then, the temporary suspension pole 120 on the second floor is removed.

  Next, in STEP 9, the beam floor member lifting device 130 causes the beam floor member 40 of the third to eighth floors to reach the level of the third floor of the beam floor member 40 of the third floor (that is, the floor height of the second floor is predetermined). To the height of

  Next, in STEP 10, a temporary support member 150 is installed between the second floor and the third floor beam floor member 40 so as to support the third floor beam floor member 40. Then, the beam floor member 40 on the third floor and the vertical member 20 are connected by the connecting member 60, and the fixing portion 133 attached below the beam floor member 40 on the third floor is removed. At this time, the beam floor member 40 on the third floor is supported by the temporary support member 150 and therefore does not fall.

  Next, in STEP 11, the fixing unit 133 is attached below the fourth floor beam floor member 40 so that the fourth floor beam floor member 40 can be supported by the beam floor member lifting device 130. Then, the main suspension pole 50 on the second floor is constructed, and the temporary support member 150 on the second floor is removed. Also, the temporary suspension pillar on the third floor will be removed.

  Next, in STEP 12, the beam floor member 40 reaches the level of the fourth floor by the beam floor member lifting device 130 (that is, the floor height of the third floor is predetermined). To the height of

  Next, in STEP 13 of FIG. 5, a temporary support member 150 is installed between the third and fourth floor beam floor members 40 so as to support the fourth floor beam floor members 40. Then, the fourth floor beam floor member 40 and the vertical member 20 are connected by the connecting member 60, and the fixing unit 133 attached below the fourth floor beam floor member 40 is removed. At this time, the beam floor member 40 on the fourth floor is supported by the temporary support member 150 and therefore does not fall.

Hereinafter, in STEP 14 of FIG. 5 to STEP 22 of FIG. 6, as in STEP 11 of FIG. 4 to STEP 13 of FIG. 4, each floor is set as the work floor in the order from the 4th floor to the 6th floor. A fixing unit 133 is attached below the beam floor member 40 on the upper floor of the work floor so that the member 40 can be supported by the beam floor member lifting device 130, and the main suspension pillar on the lower floor of the work floor is installed. 50, the temporary support member 150 on the lower floor of the work target floor is removed, the temporary suspension column 120 on the work target floor is removed, and the beam floor member 40 from the upper floor to the uppermost floor of the work target floor is removed. The work target floor is raised until the floor height reaches a predetermined height, a temporary support member is installed on the lower floor of the work target floor, a connection member of the work target floor is attached, and the beam floor member 40 of the work target floor is installed. The process of removing the fixing unit 133 attached below is performed. .
As a result, the state shown in STEP 22 is obtained.

Next, in STEP23 of FIG. 6, the fixing part 133 is attached below the beam floor member 40 on the uppermost floor (eighth floor). Then, the permanent suspension pillar 50 on the sixth floor is constructed, and the temporary suspension pillar 120 on the seventh floor is removed.
Next, in STEP 24, the beam floor member elevating device 130 raises the beam floor member on the top floor (eighth floor) until it reaches the level of the eighth floor.

Next, in STEP 25 of FIG. 7, a temporary support member 150 is installed between the beam floor members 40 on the seventh floor and the eighth floor. Further, the beam floor member 40 on the eighth floor and the vertical member 20 are connected by a connecting member 60. And the main suspension pole 50 of the 8th floor is constructed.
Next, in STEP 26, the beam floor member lifting device 130 is disassembled and removed.
Next, in STEP 27, the 7th-floor main suspension pole 50 is constructed, and the 7th-floor temporary support member 150 is removed.
The suspended structure building 100 can be constructed by the above steps.

  As described above, according to the method for constructing a suspended structure building of the present embodiment, the height of the beam floor member 40 on the floor immediately above the work floor and the height of the suspension column 50 of the main installation by the beam floor member lifting device 130. By adjusting the length appropriately, fine adjustment of the floor height and the inclination of the beam floor member 40 can be performed without lowering the beam floor member 40 of all the floors to the ground even during lift-up work. it can.

  In the above embodiment, the rod 132 of the beam floor member elevating device 130 is provided so as to be inserted through the main suspension column 50. However, the present invention is not limited to this, and the rods other than the suspension column 50 of the beam floor member 40 may be used. A through hole may be provided at a position so as to be aligned in a vertical manner, a rod 132 may be provided so as to be inserted through the through hole, and the beam floor member lifting device 130 may be installed at a position other than the suspension column 50.

  In the above embodiment, the rod 132 of the beam floor member lifting device 130 is fixed to the beam floor member 40 on the floor immediately above the work target floor. However, the present invention is not limited to this, and the floor above the work target floor is used. If so, the beam floor member 40 on any floor may be fixed.

  Hereinafter, a construction method of a suspended structure building in which the beam floor member lifting device 130 is installed at a position other than the suspension column 50 and the rod 132 is fixed to the beam floor member 40 on the eighth floor will be described with reference to FIGS. Will be described with reference to FIG. In this way, when the beam floor member lifting device 130 is installed at a position other than the suspension column 50, the main suspension column 50 and the temporary suspension column 120 are not configured to allow the rod 132 to be inserted therein. May be.

  First, the mega frame 30 is constructed as in the above embodiment. In addition, since the process of constructing the mega frame 30 is the same process as STEP 1 to STEP 4 in FIG.

  After the mega frame 30 is constructed, as shown in FIG. 8, the beam floor members 40 are constructed in STEP 5 ′, and these beam floor members 40 are connected by temporary suspension pillars 120. At this time, in order to insert the rod 132 of the beam floor member elevating device 130, through holes are provided so as to be arranged in a straight line in the vertical direction at a position different from the temporary suspension column 120 of the beam floor member 40. The rod 132 is inserted into the through hole of the beam floor member 40 on the second to eighth floors, and the jack 131 is attached to the upper end portion of the rod 132 so as to be supported by the horizontal member 10. Is attached so that the beam floor member 40 on the eighth floor is supported from below by the fixing unit 133, and the beam floor member lifting device 130 is assembled.

Next, in STEP 6 ′, the beam floor member lifting device 130 raises the beam floor member 40 on the second to eighth floors until the beam floor member 40 on the second floor reaches a predetermined height.
Next, in STEP 7 ′, the height of the vent 140 is adjusted so that the beam floor member 40 on the second floor can be supported from below by the vent 140 on the ground. Then, the beam floor member 40 on the second floor and the vertical member 20 are connected by the connecting member 60.

Next, in STEP 8 ′, the temporary suspension pillar 120 on the second floor is removed.
Next, in STEP 9 ′, the beam floor member lifting device 130 causes the beam floor member 40 of the third to eighth floors to reach the level of the third floor. To a predetermined height).

Next, in STEP 10 ′, the main suspension pillar 50 on the second floor is constructed, and the beam floor member 40 and the vertical member 20 on the third floor are connected by the connecting member 60.
Next, in STEP 11 ′ of FIG. 9, the temporary suspension pole 120 on the third floor is removed.

Next, in STEP 12 ', the beam floor member 40 of the 4th to 8th floors is reached until the beam floor member 40 of the 4th floor reaches the level of the 4th floor (that is, the floor height of the 3rd floor becomes a predetermined height). Raise.
Next, in STEP 13 ′, the second-floor main suspension pillar 50 is constructed, and the fourth-floor connecting member 60 is installed.

  Hereinafter, as in STEP 11 ′ to 13 ′, the temporary suspension pillar 120 on the work target floor is removed as the work target floor on the fourth to seventh floors, and the beam floor member from the upper floor to the top floor of the work target floor is removed. 40 is raised to construct the main suspension column 120 on the work target floor and connect the beam floor member 40 on the upper floor of the work target floor to the vertical member 20 by the connecting member 60. As a result, the state shown in STEP 15 ′ is obtained.

Next, in STEP16 ′, a main suspension pillar 50 on the eighth floor is constructed.
Next, in STEP 17 ′, the beam floor member lifting device 130 is removed. The suspended structure building 100 can be constructed through the above steps.

  As described above, the step of attaching the temporary support member 150 and the step of removing the temporary support member 150 can be omitted by attaching the beam floor member lifting device 130 to a position different from the temporary suspension column 120. Further, by adopting a configuration in which the beam floor member elevating device 130 is fixed to the beam floor member 40 on the uppermost floor, the work of replacing the fixing unit 133 becomes unnecessary.

  In each of the above embodiments, the lift is configured in the order from the lower floor to the upper floor. However, the present invention is not limited to this, and the lift may be performed in the order from the upper floor to the lower floor. It may be lifted up, and in any order, it may be lifted up in any order.

  In each of the above embodiments, the beam floor member lifting device 130 is fixed to the beam floor member 40 on the upper floor of the work floor by the fixing unit 133 at the lower end of the rod 132, and the jack 131 is fixed to the upper end of the rod 132. However, the present invention is not limited to this, and the upper portion of the rod 132 is fixed to the horizontal member 10 by the fixing portion 133, and the jack 131 is operated on the rod 132. It is good also as a structure installed so that the beam floor member 40 of the upper floor of a target floor may be supported from the downward direction.

  Further, in each of the above embodiments, the case where the suspended structure building 100 having the configuration in which the connecting member 60 is interposed between the beam floor member 40 and the vertical member 20 has been described, but not limited thereto, the connecting member is not limited thereto. It is also possible to omit 60, and in this case, the step of attaching the connecting member 60 becomes unnecessary.

  Moreover, although each said embodiment demonstrated the case where the suspended structure building 100 with which the beam floor member 40 with which the beam and floor of each floor were united was constructed | assembled was not limited to this, a beam and a floor were separated. The present invention can also be applied to a suspended building in which only a beam member is suspended.

Moreover, in each said embodiment, the structure which supports the beam floor member 40 of the 2nd floor by interposing the vent 140 matched with the floor height of the 1st floor between the ground and the beam floor member 40 of the 2nd floor, However, the present invention is not limited to this, and a method of installing a temporary support member that matches the floor height of the first floor between the ground and the second floor beam floor member 40, or the upper end of a suspension material such as a rod or steel wire The horizontal member 10 may be fixed, and the lower end may be fixed so as to support the second-floor beam floor member 40 from below, and the second-floor beam floor member 40 may be supported by a suspension material. Any configuration may be used as long as the beam floor member 40 on the floor height adjustment floor and lower floors can be supported.
Moreover, although each said embodiment demonstrated the case where the beam floor member 40 of all the floors suspended by the suspension pillar 50 was constructed | assembled by the method of this invention, not only this but only a part of floors is this. It can also be constructed by the method of the invention.

It is a front view which shows the structure of the suspension structure building of this embodiment. It is a perspective view which shows the member which comprises a suspension pillar. It is FIG. (1) for demonstrating the construction method of the building of the suspension structure of this embodiment. It is FIG. (2) for demonstrating the construction method of the building of the suspension structure of this embodiment. It is FIG. (3) for demonstrating the construction method of the building of the suspension structure of this embodiment. It is FIG. (4) for demonstrating the construction method of the building of the suspension structure of this embodiment. It is FIG. (5) for demonstrating the construction method of the building of the suspension structure of this embodiment. It is FIG. (1) for demonstrating the construction method of the suspension structure building of another embodiment at the time of installing a beam floor member raising / lowering apparatus in positions other than a suspension column. It is FIG. (1) for demonstrating the construction method of the suspension structure building of another embodiment at the time of installing a beam floor member raising / lowering apparatus in positions other than a suspension column.

Explanation of symbols

DESCRIPTION OF SYMBOLS 10 Horizontal member 20 Vertical member 30 Mega frame 40 Beam floor member 50 (Main installation) Suspension pillar 60 Connecting member 100 Hanging structure 110 Horizontal member lifting device 111 Jack 112 Rod 113 Fixing part 130 Beam floor member lifting device 131 Jack 132 Rod 133 Fixing portion 150 Temporary support member 152 Divided steel pipe

Claims (10)

A beam member, beam floor member or floor member (hereinafter referred to as a beam member, etc.) in each floor within a predetermined number of floors from the main beam supported at a predetermined height from the same floor as the beam member, etc. A method of constructing a suspended structure building having a configuration suspended via a main suspension pole of
A main beam construction step of constructing or installing the main beam to be supported at a predetermined height;
On the ground, a beam member or the like of the floor of the predetermined floor range is constructed, and the beam member or the like of the floor of the predetermined floor range is connected by a temporary suspension pillar that is shorter than the main suspension pillar and can be removed. A beam member connection process,
At least some of the floors excluding the top floor within the predetermined floor range as work floors in an appropriate order,
While supporting a beam member or the like on the floor from the uppermost floor of the predetermined floor range to the floor immediately above the work target floor while taking a reaction force on the main beam by a beam member lifting and lowering device, Temporary suspension column removal step of removing the temporary suspension column of the work target floor in a state where the beam member of the floor from the lowest floor or the lowest floor to the work target floor in the floor range is supported ,
The beam member or the like of the floor from the uppermost floor of the predetermined floor range to the floor immediately above the work target floor by the beam member lifting / lowering apparatus until the floor height of the work target floor reaches a predetermined height Ascending process of beam members to be raised,
A suspension column connecting step of connecting a beam member or the like of the work target floor to a beam member or the like of the floor of the work target floor by a main suspension column . A construction method for a suspended structure building according to claim 1,
The lowest elevating device for raising the beam members, etc., of all the floors in the predetermined floor range until the beam members, etc. of the lowermost floor of the predetermined floor range reach a predetermined height The ascending process,
A method for constructing a suspended structure building, further comprising a top-floor suspension pillar construction step of constructing a main suspension pillar on the top floor in the predetermined floor number range. The lowermost floor rising step is performed after the connecting step of the beam member,
The construction method for a suspended structure building according to claim 2, wherein the floor is the work target floor from the lowest floor within the predetermined floor range. The main beam is supported at a predetermined height by a support member erected around the beam member or the like,
The beam member and the like on each floor within the predetermined floor range and the support member are connected via a connecting member,
4. The construction of a suspended structure building according to claim 3, wherein, in the suspension pillar construction step, a beam member on a floor immediately above the work target floor and the support member are connected via a connecting member. Method. The beam member elevating device is a suspension member having a lower end fixed to a beam member or the like of any floor from the uppermost floor of the predetermined floor range to the floor immediately above the work target floor,
An elevating mechanism attached to the main beam and supporting an upper portion of the suspension material and capable of elevating the suspension material;
In the beam member raising step, the elevating mechanism raises the suspension member to raise the beam member or the like on the floor from the floor immediately above the work target floor to the top floor in the predetermined floor range. The construction method of a suspended structure building according to any one of claims 1 to 4. The elevating device such as the beam member is a suspension member having an upper end fixed to the main beam;
Attached to the lower side of a beam member or the like of any floor from the top floor of the predetermined floor range to the floor immediately above the work target floor, and supports the suspension material, along the suspension material And an elevating mechanism capable of elevating,
In the beam member ascending step, the elevating mechanism ascends along the suspension member, so that the beam member or the like of the floor from the uppermost floor of the predetermined floor range to the floor immediately above the work target floor is It raises, The construction method of the suspension structure building in any one of Claim 1 to 4 characterized by the above-mentioned. The temporary suspension pillar is capable of inserting the suspension material therein,
A through hole is provided in a portion where the temporary suspension pillar such as the beam member is connected,
The said lifting / lowering apparatus installation process installs said lifting / lowering apparatuses, such as a beam member, so that the said suspension material may penetrate the inside of the said suspension column, and through-holes, such as the said beam member. How to build a suspended structure building.   In the lifting / lowering device installation step, through holes are provided so as to be arranged in a vertical direction at a portion other than the position where the temporary suspension pillar such as the beam member is connected, and the suspension member is inserted through the through hole. The method for constructing a suspended structure building according to claim 5 or 6, wherein a suspended material is installed. In the lifting device installation process,
9. The beam member elevating device is installed so as to elevate and lower an uppermost beam member in the predetermined floor range while taking a reaction force on the main beam. The construction method of the suspension structure building as described.   A suspended structure building constructed by the method according to claim 1.