JP2008280677A - 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 adjustment of an inclination of a beam floor member and the fine adjustment of its height to be easily performed even during a lifting operation. <P>SOLUTION: This construction method comprises: a step of constructing a horizontal member 10 in such a manner that it is supported at a predetermined height; a step of field-assembling the beam floor member and hanging column 50 of the uppermost story within the range of the predetermined number of stories; a step of lifting the field-assembled beam floor member 40 and hanging column 50 of the uppermost story up to a predetermined height, while making the horizontal member 10 bear reaction, by using a lifter 130; a step of connecting the hanging column 50 of the uppermost story to the horizontal member 40 from below; a step of field-assembling the beam floor member 40 and hanging column 50 of the operation target story 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 an order from the upper stories to the lower ones; a step of lifting the beam floor member 40 and hanging column 50 of the operation target story up to a predetermined height, while making the horizontal member 10 bear the reaction, by using the lifter 130; and a step of connecting the hanging column 50 of the operation target story to the horizontal member 10 or the beam floor member 40 of the story positioned directly above, from above. <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 suspension columns on the same floor as the beam member and the upper floor, and constructed such that the main beam is supported at a predetermined height. Or, the main beam construction step to be installed, the uppermost floor beam assembly step of grounding the beam member and the like of the uppermost floor in the predetermined floor range, and the lifting device, while taking a reaction force on the main beam, An uppermost floor ascending step of raising the grounded beam member and the suspension pillar to a predetermined height; and an uppermost beam member suspension process for connecting the uppermost suspension pillar to the main beam from below; And at least some of the floors excluding the top floor in the predetermined floor range. As the work floor in the order from the upper floor to the lower floor, the beam member on the work floor and the beam member grounding process for grounding the suspension pillar, and the lifting device, while taking the reaction force on the main beam, The beam member for connecting the beam member and the like of the work target floor and the suspension column to a predetermined height, and the beam member for connecting the suspension column of the work target floor to the beam member and the like of the floor immediately above the work target floor from below And an equal suspension process.
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, the main beam is supported at a predetermined height by a support member erected around the beam member and 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, and the beam member suspension process may further connect the beam member or the like of the work target floor to the support member via the connecting member.

  In addition, the lifting device is attached to the main beam and a suspension member having a lower end fixed to a beam member or the like on the work target floor, and supports the upper portion of the suspension member and can raise and lower the suspension member. In the ascending step, the elevating mechanism may raise the suspension member to raise the beam member or the like on the work target floor.

  The lifting device is attached to a lower side of the suspension member having an upper end fixed to the main beam and a beam member on the work target floor, supports the suspension member, and moves up and down along the suspension member. In the ascending step, the elevating mechanism may be raised along the suspension member to raise the beam member or the like of the work target floor.

  Further, the beam member or the like is provided with a through hole so as to be arranged in a vertical direction at a portion other than the position where the suspension column is connected, and the lifting device is arranged such that the suspension material passes through the through hole. May be installed.

Further, the suspension pillar can be inserted with the suspension material therein, and a through hole is provided in a portion to which the suspension pillar such as the beam member is connected. You may install so that the inside of a suspension pillar and through-holes, such as the said beam member, may be penetrated.
Moreover, the suspended structure building of this invention was constructed | assembled by said method.

  According to the present invention, the beam floor member and the suspension column of each floor are grounded, and the beam floor member of each floor is lifted by the beam floor member lifting device. For this reason, even if the lifting work is started, by adjusting the length of the suspension pillar on this floor, it is possible to easily adjust the inclination and finely adjust the floor height without lowering all the beam floor members to the ground. be able to.

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.

  As will be described later, the beam floor member 40 on each floor is provided with openings arranged in a straight line in the vertical direction so as to be able to penetrate the rod 132 of the beam floor member lifting device 130.

  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 may be configured to use a spring member, a damper, or the like.

Hereinafter, the construction method of such a suspended structure building 100 will be described. 2-4 is a figure for demonstrating the construction method of the suspension structure building of this embodiment.
As shown in FIG. 2, 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. 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. The vertical member 20 may be loaded and installed in advance.

Next, in STEP 2, the horizontal member 10 constituting the mega frame 30 is constructed on the vent 140 installed on the ground. Then, the horizontal member 10 is fixed by the fixing unit 113 under the rod 112 extending downward from the jack 111. In addition, the horizontal member 10 may carry in what was built beforehand.
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 STEP5, the beam floor member 40 and the suspension pillar 50 on the eighth floor are grounded on the vent 140 installed on the ground.
The beam floor member lifting / lowering device 130 (corresponding to the lifting device in the claims) 130 composed of the jack 131 and the rod 132 is used to apply the reaction force to the horizontal member 10 while the beam floor member 40 on the eighth floor is Install so that it can be moved up and down. That is, the rod 132 is inserted through the opening of the beam floor member 40 on the eighth floor, and the lower end of the rod 132 is fixed to the beam floor member 40 on the eighth floor by the fixing unit 133. Then, the jack 131 is attached to the upper end portion of the rod 132 so that a reaction force can be applied to the horizontal member 10. As with the horizontal member lifting / lowering device 110, for example, a jack with a shackle that can be lifted / lowered along the rod 132 is suitable as the jack 131. Moreover, it can replace with the rod 132 and a steel wire, steel materials, etc. can also be used.

Next, in STEP 6, the suspended floor 50 and the beam floor member 40 of the ground floor are lifted by the beam floor member lifting device 130 to a height at which the upper end of the suspension pillar 50 comes into contact with the lower surface of the horizontal member 10.
Next, as shown in FIG. 3, in STEP 7, the upper end of the suspension pillar 50 on the eighth floor is connected to the horizontal member 10. Further, the beam floor member 40 on the eighth floor and the vertical member 20 are connected by a connecting member 60.
Next, in STEP 8, the fixing unit 133 of the beam floor member lifting device 130 is removed from the beam floor member on the eighth floor. Then, the rod 131 is fed out by the jack 131 until the lower end reaches the upper surface height of the vent 140.

Next, in STEP 9, the 7th floor beam floor member 40 and the suspension pillar 50 are grounded on the vent 140 installed on the ground. Then, the rod 132 is inserted through the opening of the beam floor member 40 on the seventh floor, and the fixing unit 133 fixes the lower end of the rod 132 to the beam floor member 40 on the seventh floor.
Next, in STEP 10, the beam floor member lifting device 130 is used to bring the suspended floor 50 and beam floor member 40 of the ground floor to a height at which the upper end of the eighth floor suspension column 50 comes into contact with the beam floor member of the eighth floor. Lift it up.

Next, in STEP 11, the upper end of the suspension pillar 50 on the seventh floor is connected to the beam floor member 40 on the eighth floor from below. Further, the beam floor member 40 on the seventh floor and the vertical member 20 are connected by a connecting member 60.
Next, in STEP 12, the fixing unit 133 of the beam floor member lifting device 130 is removed from the beam floor member on the seventh floor. Then, the rod 131 is fed out by the jack 131 and the lower end of the rod 132 is made to reach the upper surface height of the vent 140.

Next, the above steps 9 to 12 are performed from the sixth floor to the second floor. Thereby, as shown in STEP 13 of FIG. 4, the beam floor members 40 of the second to eighth floors are suspended from the horizontal member 10.
Next, in STEP14, the beam floor member lifting device 130 is disassembled and removed.
The suspended structure building 100 can be constructed by the above steps.

  As described above, according to the construction method of the suspended structure building of the present embodiment, the beam floor member 40 and the suspension column 50 of each floor are grounded and lifted by the beam floor member lifting device 130. For this reason, when the beam floor member 40 is tilted or when the floor height needs to be finely adjusted, the length of the suspension column 50 of the floor is adjusted to allow all the beam floor members 40 to be grounded. The tilt can be easily adjusted and the floor height can be finely adjusted.

  In this embodiment, the beam floor member elevating device 130 is fixed to the beam floor member 40 on the lowermost floor by the fixing unit 133 at the lower end portion of the rod 132, and the jack 131 is attached to the upper end portion of the rod 132 on the horizontal member 10. 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 fixed to the beam floor on the lowest floor of the rod 132. It is good also as a structure installed in the part protruded from the lower surface of the member 40 so that the beam floor member 40 of the lowest floor may be supported from the downward direction.

  In the present embodiment, the rod 132 of the beam floor member elevating device 130 is configured to be inserted through an opening provided at a position different from the suspension column 50 of the beam floor member 40. 5 is formed of a steel pipe 152 divided into a plurality of portions in the length direction, and an opening is provided at a connection portion between the beam floor member 40 and the suspension column 50, whereby the rod 132 is connected to the beam floor member 40. It is good also as a structure inserted in the inside of the opening and temporary suspension pillar 120 of this.

  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 this 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 are separate bodies. The present invention can also be applied to a suspended structure building in which only beam members or floor members are suspended.
Moreover, although this embodiment demonstrated the case where the beam floor member 40 of all the floors suspended with the suspension pillar 50 was constructed | assembled by the method of this invention, not only this but a part of floors of this invention is comprised. It is also possible to construct by a method.

It is a front view which shows the structure of the suspension structure building constructed | assembled by the construction method of this embodiment. It is FIG. (1) for demonstrating the construction method of the suspension structure building of this embodiment. It is FIG. (2) for demonstrating the construction method of the suspension structure building of this embodiment. It is FIG. (3) for demonstrating the construction method of the suspension structure building of this embodiment. It is a figure which shows the steel pipe divided | segmented into plurality in the length direction which comprises a suspended pillar.

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 152 Steel pipe divided

Claims (7)

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. It is a method of constructing a suspended structure building having a configuration suspended via a suspension pillar of
A main beam construction step of constructing or installing the main beam to be supported at a predetermined height;
An uppermost floor laying step of laying the beam members and the like on the uppermost floor in the predetermined floor range and the suspension pillar;
The uppermost floor ascending step of raising the grounded uppermost beam member and the suspension pillar to a predetermined height while taking a reaction force on the main beam by an elevating device;
A suspension step such as a beam member on the top floor connecting the suspension pillar on the top floor to the main beam from below;
At least a part of the floors excluding the top floor in the predetermined floor range as work floors in the order from the upper floor to the lower floor,
A beam member grounding process for grounding a beam member and the like of the work target floor, and a suspension column;
A lifting step of raising the beam member and the like on the work target floor and the suspension column to a predetermined height while taking a reaction force on the main beam by a lifting device;
A suspension structure building construction method comprising: a beam member suspension process for connecting a suspension column of the work target floor to a beam member or the like of a floor immediately above the work target floor from below. A construction method for a suspended structure building according to claim 1,
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,
The method for constructing a suspended structure building, wherein, in the beam member suspension process, the beam member or the like on the work floor is further connected to the support member via the connecting member. The lifting device includes a suspension member having a lower end fixed to a beam member or the like of the work target floor,
An elevating mechanism attached to the main beam and supporting an upper part of the hoisting material and capable of raising and lowering the hoisting material,
The construction method for a suspended structure building according to claim 1 or 2, wherein, in the ascending step, the elevating mechanism raises the suspension member to raise the beam member or the like on the work target floor. The lifting device includes a suspension material having an upper end fixed to the main beam;
It is attached to the lower side of the beam member etc. of the work target floor, and is configured by an elevating mechanism that supports the hanging material and can be moved up and down along the hanging material,
3. The construction method of a suspended structure building according to claim 1, wherein, in the ascending step, the elevating mechanism ascends along the suspension material to elevate a beam member or the like of the work target floor. The beam member or the like is provided with a through-hole so as to be aligned in a vertical direction in a portion other than the position where the suspension column is connected,
The construction method of a suspended structure building according to claim 3 or 4, wherein the lifting device is installed so that the suspension material is inserted through the through hole. The suspension pillar can be inserted with the suspension material inside,
A through hole is provided in a portion to which the suspension column such as the beam member is connected,
5. The construction method of a suspended structure building according to claim 3, wherein the lifting device is installed so that the suspension material penetrates the inside of the suspension column and a through hole such as the beam member.   A suspended structure building constructed by the method according to claim 1.