JP6622536B2 - Unit with temporary support material, unit building, and method for constructing unit building - Google Patents

Description

  The present invention relates to a unit with a temporary support member to which a temporary support member extending in the vertical direction is attached, a unit building constructed using the temporary support member, and a unit building construction method.

  There is known a unit building that is constructed by stacking building units manufactured in a factory in which a framework is formed by beam members and column members in a horizontal direction and a vertical direction (see Patent Documents 1-4 and the like).

  On the other hand, as disclosed in Patent Documents 1 and 2, when omitting a corner column of a box-shaped building unit, the column is omitted to ensure strength during transportation and dimensional accuracy during connection. A temporary pillar is provided in the part.

  This temporary column is interposed between the intersection of the ceiling beam and the intersection of the floor beam, and is in a state in which a large axial force is applied at the time of removal, so that it can be divided for easy removal .

  Patent Document 3 discloses that when manufacturing a trapezoidal unit, a temporary column is temporarily interposed between the lower surface of the ceiling beam and the upper surface of the floor beam in the manufacturing process, and the temporary column is removed after completion. Has been described.

  Furthermore, Patent Document 4 uses a unit in which a temporary column and a temporary beam are temporarily fixed in order to provide a roof of a front porch, a balcony with columns, etc. in a unit type building, and is connected to another building unit after transportation. After that, it is described that the temporary column and the temporary beam are removed.

JP 2000-87455 A JP-A-7-127269 JP-A-6-248709 JP 2010-159581 A

  However, if it is a temporary support material that only supports the load temporarily, it is desirable that it can be easily removed after the role is completed with the simplest possible structure.

  Therefore, an object of the present invention is to provide a unit with a temporary support member to which a temporary support member that can be easily removed with a simple configuration is attached, a unit building, and a method for constructing the unit building.

  In order to achieve the above object, a unit with a temporary support member according to the present invention is a unit with a temporary support member in which a frame is formed by a beam member and a column member and a temporary support member extending in the vertical direction is attached. The temporary support member is attached in a state where at least one end thereof is detachably attached to a side surface of the beam member.

  Here, in the attachment portion of the temporary support member to the side surface of the beam member, a groove portion in which one end in the axis orthogonal direction is opened is formed, and the groove portion protrudes from the side surface of the beam member. It can be set as the structure by which the connection material is accommodated.

  Moreover, the said attachment part can be set as the structure provided in the lower end of the said temporary support material. Furthermore, it can be set as the structure by which the support surface part made to contact the lower surface of the member connected to the said column material is provided in the upper end of the said temporary support material.

  Moreover, the invention of the unit building is characterized in that the unit with a temporary support member described above is connected to a building unit adjacent in the lateral direction.

  Furthermore, the invention of the construction method of the unit building is a construction method of the unit building using the unit with the temporary support material according to any one of the above, and the step of installing the unit with the temporary support material, and the temporary support material A step of connecting the attached unit to a building unit adjacent in the lateral direction and a step of removing the temporary support member are provided.

  In the unit with the temporary support member of the present invention configured as described above, the temporary support member attached to the frame formed by the beam member and the column member has at least one end portion detachable from the side surface of the beam member. It is attached in a state.

  In order to easily dodge the axial force acting in the vertical direction, the temporary support member having the end attached in a detachable manner to the side surface of the beam member can be easily removed with a simple configuration.

  In addition, if the groove part with one end in the direction perpendicular to the axis is opened in the attachment part of the temporary support member and the connecting member protruding from the side surface of the beam member is accommodated in the groove part, the attachment part is attached. The temporary support member can be easily removed by shifting the portion to the side.

  Furthermore, if a detachable attachment portion is provided on the side surface of the beam member at the lower end of the temporary support member, the axial force can be easily released at the lower end where the vertical load is likely to act greatly. Moreover, if the support surface part made to contact the lower surface of a beam material and other horizontal members is provided in the upper end of the temporary support material, a vertical load can be reliably supported from the downward direction.

  Further, the temporary support member can be safely removed from the unit building structurally stabilized by connecting the unit with the temporary support member to the building unit adjacent in the lateral direction.

It is a perspective view explaining the process of attaching a bundle to the unit with a temporary support material of this Embodiment. It is a side view explaining the structure of the bundle material which is a temporary support material. It is the side view which expanded the support surface part periphery of the bundle material which supports the lower surface of a ceiling beam. It is a figure explaining the attachment part periphery of a bundle material, Comprising: (a) is the outer side view seen from the outer side, (b) is sectional drawing seen in the AA arrow direction of (a), (c) is It is the inner side view seen from the inside. It is a perspective view explaining the process of removing a bundle from a unit with a temporary support material. It is a figure explaining the process of removing a bundle material in the state of an attachment part periphery, Comprising: (a) is an inner side view which showed the state before removal, (b) was the inside which showed the state which loosened the fastening of the attachment part. It is a side view.

  Hereinafter, embodiments of the present invention will be described with reference to the drawings. FIG. 1 is a perspective view for explaining a unit 1 with a temporary support member according to the present embodiment.

  The unit 1 with temporary support material is composed of pillars 11,... As pillars arranged at the four corners, and floor beams 12, 12A as beam members passed between the lower ends of the pillars 11,. .. and the ceiling beams 13, 13A,... As the beam members spanned between the upper ends of the columns 11,.

  Here, the pillar 11 is a square steel pipe, and the floor beams 12 and 12A and the ceiling beams 13 and 13A are formed of a groove-shaped steel material having a substantially U-shaped cross-sectional view. Specifically, the side surface of the floor beam 12 is formed by a web 121 that connects the side edges of the upper and lower flanges.

  Moreover, the pillar 11, the floor beam 12 (12A), and the ceiling beam 13 (13A) are welded and joined via the joining frame member 14 (14A).

  And the unit 1 with a temporary support material is constructed | assembled in the unit building of the stable state by being connected with an adjacent building unit. Until this stable state is reached, the member that reinforces the unit 1 with temporary support material is a bundle 3 as a temporary support material.

  FIG. 2 shows a side view of the bundle 3. The bundle 3 is mainly composed of a shaft portion 31 extending in the vertical direction, a support surface portion 32 provided at the upper end, and an attachment portion 33 provided at the lower end.

  As shown in FIG. 1, the bundle 3 is formed to have substantially the same length (height) as the distance between the ceiling beam 13 and the floor beam 12. A vertical load mainly acts on the shaft portion 31 as an axial force.

  On the other hand, the support surface portion 32 is provided with a support surface 321. The lower surface 131 of the ceiling beam 13 connected to the pillar 11 is brought into contact with the support surface 321. If it demonstrates in detail, the support surface 321 will be provided so that the upper end of the axial part 31 may be plugged up. This support surface 321 is formed in an area larger than the area of the outer shape of the shaft portion 31, and a part thereof projects laterally.

  As shown in FIG. 3, the ceiling beam 13 supported by the support surface portion 32 is configured such that the removal portion 133 connected by the connection portion 132 can be removed. The support surface 321 is brought into contact with the lower surface 131 of the ceiling beam 13.

  Specifically, the support surface 321 provided at the upper end of the shaft portion 31 is brought into contact with the lower surface 131 of the remaining ceiling beam 13 and is fastened to the ceiling beam 13 by a bolt 324 and a nut 325.

  As shown in FIGS. 2 and 4, the attachment portion 33 is configured to be attached to the web 121 which is the side surface of the floor beam 12 in a detachable state. The attachment portion 33 is formed of a substantially rectangular steel plate or the like, and the upper portion is joined to the side surface of the shaft portion 31 by welding.

  An upper groove portion 331 and a lower groove portion 332 in which one end of the shaft portion 31 in the direction perpendicular to the axis is opened are formed in the lower portion of the mounting portion 33 that protrudes below the shaft portion 31. The upper groove portion 331 and the lower groove portion 332 are provided substantially in parallel with an interval in the axial direction of the shaft portion 31.

  Further, the upper groove portion 331 and the lower groove portion 332 are open on the same side, and a hole portion 333 is provided between them. As shown in FIG. 5, bolts 334 and 334 serving as connecting members protruding from the web 121 of the floor beam 12 are accommodated in the upper groove portion 331 and the lower groove portion 332, respectively.

  The bolt 334 is screwed from the outer surface of the web 121 and protrudes to the inside of the floor beam 12. A seat plate portion 336 and a nut 335 are attached to the tip of the bolt 334.

  The seat plate portion 336 and the nut 335 are joined by welding, and when the nut 335 is turned, the integral seat plate portion 336 is also rotated. In order to prevent the seat plate portion 336 from rotating at an unintended time, the seat plate portion 336 is fixed to the screw holes 338 and 338 of the web 121 by screws 337 and 337.

  Next, a method for constructing a unit building using the unit 1 with temporary support material to which the bundle 3 is attached, the unit 1 with temporary support material of the present embodiment, a unit building and a unit building constructed using the unit 1 The operation of the construction method will be described.

  First, as shown in FIG. 1, the bundle members 3 and 3 are attached to both side surfaces of the unit 1 with temporary support material. The bundle member 3 is attached to a position where the connecting portion 132 of the ceiling beam 13 is supported.

  Specifically, as shown in FIG. 3, the support surface 321 of the support surface portion 32 is brought into contact with the lower surface 131 of the ceiling beam 13 with the connection portion 132 interposed therebetween. The support surface 321 is fixed to the ceiling beam 13 with bolts 324 and nuts 325.

  On the other hand, the attachment part 33 of the bundle 3 is brought into contact with the outer surface of the web 121 of the floor beam 12 as shown in FIGS.

  Bolts 334 and 334 are inserted into the upper groove portion 331 and the lower groove portion 332 of the attachment portion 33, respectively, and a seat plate portion 336 to which a nut 335 is fixed is attached to the tip protruding inside the floor beam 12. And it fixes to the screw holes 338 and 338 of the web 121 with the screws 337 and 337 so that the seat plate portion 336 does not rotate.

  Thus, the unit 1 with a temporary support material assembled in the factory is conveyed to a construction site.

  When the unit 1 with temporary support member is connected to an adjacent building unit using a bolt (not shown) or the like, the unit 1 is structurally stable. Therefore, the connection at the connection portion 132 of the ceiling beam 13 is released, and the removal portion 133 is removed.

  Further, the bolt 324 that has fixed the support surface 321 of the bundle 3 is loosened. On the other hand, as shown in FIG. 6A, the screws 337,... Are removed, and the seat plate portions 336 and 336 are rotated in the direction of the arrow.

  Since the nut 335 is fixed to the seat plate portion 336, when the seat plate portion 336 is turned, the bolt 334 is loosened. In this state, by shifting the attachment portion 33 of the bundle 3 in the longitudinal direction of the floor beam 12, the groove portions (the upper groove portion 331 and the lower groove portion 332) whose one ends are opened can be pulled out from the bolts 324 and 324.

  In this way, the restraint by the upper and lower bolts 324 and 334 is released, and the bundles 3 and 3 are removed as shown in FIG. 5 to complete the unit building.

  In the unit 1 with the temporary support member of the present embodiment configured as described above, the lower end of the bundle member 3 attached to the frame formed by the beam member and the column member is detachable from the web 121 of the floor beam 12. It is attached in the state.

  In order to easily dodge the axial force acting in the vertical direction, the bundle member 3 whose end is attached to the side surface of the floor beam 12 in a detachable state can be easily removed with a simple configuration.

  In addition, grooves (331, 332) with one end in the direction perpendicular to the axis being opened are formed in the attachment portion 33 of the bundle member 3, and bolts 334, 334 protruding from the side surfaces of the floor beam 12 are formed in the grooves (331). , 332), the bundle member 3 can be easily removed by shifting the mounting portion 33 to the side.

  That is, the floor beam of an adjacent building unit is close to the outer surface side of the floor beam 12 of the temporary support member-equipped unit 1, and the head of the bolt 334 is directly turned or the bolt 334 is pulled out. There is no gap.

  In such a case, if the bolt 334 is loosened from the inside of the floor beam 12 as shown in FIG. 6 and the restraint of the bolt 334 can be released only by shifting the mounting portion 33 to the side (longitudinal direction of the floor beam 12), The bundle 3 can be easily removed.

  Moreover, if the attachment part 33 of the bundle material 3 which can be attached or detached on the side surface of the floor beam 12 is provided in the lower end, it will become easy to release | release axial force in the lower end where a vertical load tends to act largely.

  Furthermore, if the support surface part 32 made to contact the lower surface 131 of the frame material of the ceiling beam 13 is provided in the upper end of the bundle member 3, a vertical load can be reliably supported from the downward direction.

  And the bundle material 3 can be safely removed from the structurally stable unit building by connecting the unit 1 with the temporary support member to the building unit adjacent in the lateral direction.

  The embodiment of the present invention has been described in detail above with reference to the drawings. However, the specific configuration is not limited to this embodiment, and design changes that do not depart from the gist of the present invention are not limited to this embodiment. Included in the invention.

  For example, in the above-described embodiment, the unit 1 with a temporary support material to which one type of temporary support material (3) is attached has been described. However, the present invention is not limited to this, and two or more types of temporary support materials are attached. It may be a unit with a temporary support material.

  Moreover, although the said embodiment demonstrated the structure by which the attachment part 33 which can be attached or detached on the side surface of a beam material was provided only in the lower end of the bundle material 3, it is not limited to this, Both an upper end and a lower end Alternatively, a temporary support member provided with a detachable attachment portion on the side surface of the beam member may be used. Moreover, it can also be set as the temporary support material by which the attachment part which can be attached or detached to the side surface of a beam material was provided only in the upper end.

1 Unit with temporary support material 11 Column (column material)
12, 12A Floor beam (beam material)
121 Web (side view)
13, 13A Ceiling beam (beam material)
131 Lower surface 191a Lower surface 3 Bundle material (temporary support material)
32 Support surface portion 33 Mounting portion 331 Upper groove portion (groove portion)
332 Lower groove (groove)
334 bolt (connecting material)

Claims (6)

It is a unit with a temporary support material in which a frame is formed by a beam material and a column material and a temporary support material extending in the vertical direction is attached,
The temporary support, together with at least one end is that mounted in a freely state detachable arrangement on a side surface of said beam member,
In the attachment portion to the side surface of the beam material of the temporary support material, a groove portion in which one end in the direction perpendicular to the axis is opened is formed,
A unit with a temporary support member , wherein a connecting member protruding from a side surface of the beam member is accommodated in the groove portion, and a seat plate portion is attached to a tip end of the connecting member . The unit with a temporary support member according to claim 1 , wherein a nut for screwing a tip of a bolt serving as the connecting member is fixed to the seat plate portion .   The unit with a temporary support member according to claim 2, wherein the attachment portion is provided at a lower end of the temporary support member.   The unit with a temporary support material according to claim 3, wherein a support surface portion in contact with a lower surface of a member connected to the pillar material is provided at an upper end of the temporary support material.   5. A unit building, wherein the unit with a temporary support member according to claim 1 is connected to a building unit in which a frame is formed by a beam member and a column member adjacent to each other in the lateral direction. . A method for constructing a unit building using the unit with a temporary support member according to any one of claims 1 to 4,
Installing the unit with the temporary support material;
Connecting the unit with temporary support material to a building unit adjacent in the lateral direction;
And a step of removing the temporary support member.