JP5705024B2 - Roof panel and unit building construction method - Google Patents

Description

  The present invention relates to a roof panel that is spanned above a space between building units that are installed at intervals, and a method for constructing a unit building using the roof panel.

  Conventionally, a unit building is known in which a plurality of building units manufactured in a factory are connected in the horizontal direction and the vertical direction. In addition, a layout is known in which building units are installed at intervals and outdoor stairs are arranged in a space between the building units (see Patent Documents 1 and 2).

  Patent Documents 1 and 2 disclose a structure in which a roof unit (or a roof panel) that covers an upper part of a separation space is bridged between building units. That is, it describes that a roof unit (or a roof panel) manufactured in a factory and transported to the site is lifted by a crane and installed between building units installed at intervals.

Japanese Patent Laid-Open No. 7-18745 Japanese Patent Laid-Open No. 8-13612

  However, since the ceiling unit is not attached to the roof unit disclosed in Patent Document 1, if the scaffolding from the ground to the third floor ceiling height is not assembled, the ceiling member is attached to the lower surface side of the roof unit. I can't.

  On the other hand, the roof panel disclosed in Patent Document 2 is lifted and installed with a ceiling surface material attached to the lower surface side, but joints (gap) are generated between the ceiling surface materials of adjacent roof panels. Will do. In order to conceal this joint, when a parting material is installed later, if there is a floor on the second floor as in Patent Document 2, mounting work can be performed with a scaffolding of a stepladder. Thus, when the atrium extends from the ground to the ceiling height of the third floor, a high-rise scaffold must be assembled, which is a large-scale work.

  Therefore, an object of the present invention is to provide a roof panel capable of hiding joints generated between the ceiling surface materials of adjacent roof panels without forming a scaffold, and a method for constructing a unit building using the roof panel. Yes.

  In order to achieve the above-mentioned object, the roof panel of the present invention is used for a roof constructed by arranging a plurality of roof panels arranged on both sides of a joint space between spaced building units. A panel main body that is a main structure of the panel, a ceiling surface material that is attached so as to cover a lower surface side of the panel main body, and a side edge of the ceiling surface material on the joint side And a parting material that covers from the lower side of the ceiling surface material to the lower side of the roof panel that is installed next to the ceiling surface material.

  Here, the parting material is formed in a strip shape wider than the joint width and is arranged in parallel with the ceiling surface material, and the panel is extended upward from the blinding plate portion. A structure having a vertical wall portion fixed to a side edge of the main body portion can be provided.

  In addition, the panel main body is formed by a beam member arranged at the periphery, and a protruding piece that can be placed on the upper surface of the building unit facing the separation space is fixed to the beam member. can do.

  Furthermore, it is preferable that a positioning hole is drilled in the protruding piece at a position corresponding to the mounting hole drilled in the upper surface of the building unit. Further, the panel main body portion may be provided with a boundary wall traversing the inside.

  Furthermore, in the method for constructing a unit building according to the present invention, any one of the above-described roof panels is suspended from above the separation space and spanned between the building units, and the parting material of the installed roof panel is attached. It is characterized in that another roof panel is hung down from above and installed next to the side.

  The roof panel of the present invention configured as described above is at least one of a plurality of roof panels arranged above the separation space. A ceiling surface material is attached to the roof panel, and a parting material that covers the joint with the adjacent roof panel from below is attached.

  For this reason, if a roof is constructed using this roof panel, it is possible to cover the joints generated between the ceiling panels of adjacent roof panels from the lower side, in addition to the ceiling panels already installed. With the possible parting material, there is no need to build a scaffold under the roof panel.

  Moreover, the parting material has a blindfold plate part wider than the joint width and a vertical wall part that extends upward and is fixed to the side edge of the panel body part. The joint between the roof panels can be blinded only by fixing it to the panel main body so that a part of the blindfold is disposed below.

  Furthermore, if the peripheral edge of the panel body is made of beam material and a projecting piece that can be placed on the upper surface of the building unit is fixed to the beam material, the roof panel can be easily suspended just by hanging it from above the space. Can be bridged between building units. Here, if the positioning hole is perforated in the projecting piece, the roof panel can be easily aligned.

  Moreover, if the field wall which crosses a roof panel is provided previously, a fire prevention structure can be formed only by installing a roof panel.

  And if such a roof panel is spanned between building units previously, the joint between the roof panels spanned between building units after that can be made invisible from below.

It is sectional drawing explaining the structure of the roof constructed | assembled using the roof panel of embodiment of this invention. It is a top view which illustrates typically a unit building provided with separation space. It is a top view explaining the structure of a roof panel. It is a perspective view explaining the structure of a parting material. It is sectional drawing explaining the positional relationship of the protrusion piece fixed to the roof panel, and a building unit. It is sectional drawing explaining the structure of the location which fixes a roof panel to a building unit. It is the top view seen in the BB arrow direction of FIG.

  Hereinafter, embodiments of the present invention will be described with reference to the drawings. FIG. 1 is a cross-sectional view illustrating a configuration of a roof 101 using the roof panel 2 of the present embodiment as viewed in the direction of arrows AA in FIG.

  First, the structure of the unit building 10 will be described with reference to FIG. 2. Such a unit building 10 is constructed by connecting a plurality of building units 1A-1J manufactured in a factory on site.

  Further, the building unit 1A (1B) and the building unit 1E (1F) constituting the unit building 10 are installed at an interval, and the space between them becomes a leaving space 102.

  The unit building 10 constructed in this way is used as a housing complex such as an apartment, and has a multi-layer structure such as a two-story building or a three-story building. The separation space 102 is provided with stairs for moving back and forth between the lower floor and the upper floor. Further, a roof 101 is constructed above the space 102.

  As shown in FIG. 2, the roof 101 is mainly constituted by a roof panel 2 spanned between building units 1B and 1F and a roof panel 2A spanned between building units 1A and 1E. Further, as shown in FIG. 1, a joint 28 (a gap) is interposed between the roof panel 2 and the roof panel 2A.

  FIG. 3 shows a plan view of the roof panel 2. As shown in FIGS. 1 and 3, the roof panel 2 includes a panel body 20 that is a main structure of the panel, and a ceiling panel 24 as a ceiling member that is attached so as to cover the lower surface side of the panel body 20. The parting material 4 attached along one side edge of the roof panel 2 is mainly provided.

  The panel body 20 includes a pair of girder beams 21 and 21 as short side beam members that form a rectangular outline (periphery) in plan view, and a pair of girder beams 22 and 22 as long side beam members. And is composed mainly of. Further, the panel main body 20 is fixed to the lower surface side of a plurality of ceiling joists 23,..., And the ceiling joists 23,. The ceiling base material 25 is provided.

  As shown in FIG. 1, the end beam 21 and the girder beam 22 are formed of a steel material having a U-shaped cross-sectional view. Further, the ceiling joist 23 is formed of wood having a rectangular shape in a cross-sectional view in which an end portion spanning the lower flange of the beam 22 is cut out.

  Further, the ceiling base material 25 is formed in a rectangular shape in plan view, and is arranged in a number that can close the lower surface side of the panel main body 20 and is fixed to the ceiling joists 23,.

  And the ceiling panel 24 is arrange | positioned so that the downward direction of this ceiling base material 25 may be covered. As shown in FIGS. 1 and 5, the ceiling panel 24 has side edges supported by fixing brackets 24 a, 24 b, 24 c, and 24 d attached to the lower portions of the end beam 21 and the girder beam 22. It is arranged below.

  Further, as shown in FIG. 3, the roof panel 2 is provided with a boundary wall 3 between the beam beams 22 and 22 so as to cross the panel main body portion 20. As shown in FIG. 2, the boundary wall 3 is provided at a position where it is connected to the indoor boundary wall 3 </ b> A. Thus, the fire barrier section is formed in the unit building 10 by the continuous wall 3 and 3A.

  Then, as shown in FIG. 3, the parting material 4 is attached along the girder beam 22 on the joint 28 side of the roof panel 2. As shown in FIGS. 1 and 4, the parting material 4 includes a blindfold plate portion 41 formed in a band shape wider than the joint 28 and a vertical wall portion 42 extending upward from the blindfold plate portion 41. It is formed into a reverse T-shape in cross-section provided mainly.

  The parting material 4 is manufactured by bending a single steel plate (for example, a steel plate coated with vinyl chloride) as shown in FIG. That is, one side edge of the belt-shaped steel plate is bent upward to form the folded portion 44, and the other side edge of the blindfold plate portion 41 that is the lowermost surface connected to the folded portion 44 is bent upward to connect the connecting portion 43. Form. Then, the side edge of the connecting portion 43 that overlaps about one-fourth of the width on the upper surface of the blindfold plate portion 41 is bent upward at a right angle to form a vertical wall portion 42 that is substantially orthogonal to the blindfold plate portion 41.

  As shown in FIG. 1, the parting material 4 is fixed with a drill screw or the like with the vertical wall portion 42 brought into close contact with the outer surface of the beam beam 22. When the parting material 4 is fixed to the side edge of the panel main body 20 in this way, the blindfold plate 41 is disposed below the ceiling panel 24 and substantially parallel thereto.

  Moreover, the blindfold plate portion 41 is arranged so as to cover the side edge of the ceiling panel 24 of the roof panel 2 to the side edge of the ceiling panel 24 of the adjacent roof panel 2A across the joint 28.

  Further, the rock wool 26 is attached above the blindfold plate portion 41 of the parting material 4. Thus, by installing the rock wool 26 in advance, the rock wool 26 is interposed between the roof panels 2 and 2A only by installing the roof panels 2 and 2A.

  As shown in FIG. 3, a plurality of guide plates 5 and 5 are fixed to the end beam 21 of the roof panel 2. As shown in FIG. 5, the guide plate 5 is a reverse L-shaped metal fitting in a side view in which the protruding piece 51 and the fixed piece 52 are substantially orthogonal to each other.

  When the fixing piece 52 of the guide plate 5 is brought into close contact with the outer surface of the end beam 21 and fixed by welding or the like, the protruding piece 51 projects outward and can be placed on the upper surface of the ceiling beam 11 of the building unit 1B.

  Further, a positioning hole 51a is formed in the protruding piece 51 as shown in FIG. As shown in FIG. 5, the mounting hole 11a drilled in the upper flange of the ceiling beam 11 and the positioning hole 51a of the protruding piece 51 are aligned, and the screw 53 is screwed into the positioning hole 51a and the mounting hole 11a. Thus, the roof panel 2 is fixed at an accurate position.

  Note that the configuration of the roof panel 2A is substantially the same as the configuration of the roof panel 2 except for the periphery of the parting material 4, and detailed description thereof is omitted. That is, since there is no roof panel adjacent to the roof panel 2A other than the roof panel 2, the parting material 4 is not attached. Moreover, the eaves side roof panel 2A is provided with a collar portion 27 as shown in FIG.

  The roof panels 2 and 2A are fixed to the pillars 12 of the building units 1A, 1B, 1E, and 1F. 6 and 7 are diagrams showing details of the connection structure between the roof panels 2 and 2A and the pillar 12, FIG. 6 is a sectional view, and FIG. 7 is a plan view seen in the direction of arrows BB in FIG. is there.

  On the upper side of the pillars 12 of the building units 1A, 1B, 1E, and 1F, the connecting fitting 6 is attached to the side surface facing the separation space 102. The connecting metal fitting 6 includes a plate-like seat plate portion 6b disposed on the roof panel 2 (2A) side, and a U-shaped portion having a substantially U shape in plan view that is fixed so that the opening is blocked by the seat plate portion 6b. 6a.

  The bottom of the U-shaped portion 6 a is brought into close contact with the side surface of the column 12 and fixed to the column 12 with bolts 63 and 63. That is, a washer 64 is attached to the inside of the pillar 12, and the bolts 63, 63 inserted from the inside of the U-shaped portion 6a with a space in the height direction are screwed into the washer 64 to be connected. The metal fitting 6 is fixed to the column 12.

  On the other hand, a bolt 62 is inserted from the inside of the end beam 21 of the roof panel 2 (2A) by fixing the nut 62 to the substantially central position in the height direction of the surface of the seat plate portion 6b which is inside the U-shaped portion 6a by welding or the like. The roof panel 2 (2A) is fixed to the connection fitting 6 by screwing 61 into the nut 62. As a result, the roof panel 2 (2A) is fixed to the column 12 via the connecting fitting 6.

  Next, the construction method of the unit building 10 using the roof panel 2 of this Embodiment is demonstrated.

  First, building units 1A-1J and roof panels 2 and 2A are manufactured in a factory. A ceiling panel 24 is attached to the lower surfaces of the roof panels 2 and 2A. A parting material 4 is attached along one side edge of the roof panel 2.

  On the other hand, at the site where the unit building 10 is constructed, the building units 1A-1J transported from the factory are suspended at positions as shown in FIG. Here, a separation space 102 is formed between the building units 1A and 1E and between the building units 1B and 1F.

  Then, the roof panel 2 conveyed from the factory is lifted by a crane, suspended from above the space 102, and the roof panel 2 is bridged between the building units 1B and 1F.

  Here, as shown in FIG. 3, projecting pieces 51, 51 projecting toward the building unit 1 </ b> B (1 </ b> F) are attached to the end beam 21 (21) of the roof panel 2. As shown in FIG. 5, this protruding piece 51 is placed on the upper surface of the ceiling beam 11 of the building unit 1B (1F), and the positioning hole 51a of the protruding piece 51 is aligned with the position of the mounting hole 11a of the ceiling beam 11, and the screw 53 is attached. Screw in and fix. Such work from above the position adjacent to the building unit 1B (1F) can be performed using the building unit 1B (1F) as a scaffold.

  Thus, the roof panel 2 spanned between the building units 1B and 1F is arranged at an accurate position. Then, the roof panel 2A is suspended beside the roof panel 2 and is suspended between the building units 1A and 1E.

  Here, the parting material 4 is attached to the side edge of the roof panel 2 installed earlier on the roof panel 2A side. For this reason, just by lowering the roof panel 2A above the blindfold plate portion 41 of the parting material 4, the joint 28 between the roof panels 2 and 2A is covered by the blindfold plate portion 41 as shown in FIG. The joint 28 is not visible.

  Subsequently, the roof panels 2, 2A are fixed to the pillars 12,... Of the building units 1A, 1B, 1E, 1F via the connecting brackets 6,. Then, the folded plate 14 is spread on the upper surfaces of the roof panels 2 and 2A to complete the roof 101.

  Next, the effect | action of the construction method of the roof building 2 of this Embodiment and the unit building 10 using the same is demonstrated.

  The roof panel 2 of the present embodiment configured as described above is at least one of the plurality of roof panels 2 and 2A arranged above the separation space 102. A ceiling panel 24 is attached to the roof panel 2, and a parting material 4 that covers the joint 28 with the adjacent roof panel 2 </ b> A from below is attached.

  For this reason, if the roof 101 is constructed using the roof panel 2, the ceiling panel 24 is attached in advance, and the joint 28 generated between the ceiling panels 24 and 24 with the adjacent roof panel 2A. Since the parting material 4 which can cover up from below is provided, the operation | work which needs to build a scaffold under the roof panels 2 and 2A does not generate | occur | produce.

  Further, the parting material 4 has a blindfold plate portion 41 wider than the width of the joint 28 and a vertical wall portion 42 that extends upward and is fixed to the side edge of the panel body portion 20. The joint 28 is blinded between the roof panels 2 and 2A only by being fixed to the panel body 20 in advance so that the side edge (connecting portion 43) of the blindfold 41 is disposed below the ceiling panel 24. be able to.

  Further, the peripheral edge of the panel body 20 is formed by the end beams 21 and 21 and the girder beams 22 and 22, and the protruding pieces 51 that can be placed on the upper surface of the building units 1A, 1B, 1E, and 1F on the end beam 21,. If it is fixed, the roof panels 2 and 2A can be easily bridged between the building units 1B and 1F (or between the building units 1A and 1E) simply by hanging down from above the separation space 102. Here, if the positioning hole 51a is perforated in the protruding piece 51, the roof panels 2 and 2A can be easily aligned by matching with the mounting hole 11a of the ceiling beam 11.

  Moreover, if the field wall 3 which crosses the roof panels 2 and 2A is provided beforehand, a fire prevention structure can be formed only by installing the roof panels 2 and 2A.

  And if such a roof panel 2 is bridge | crossed between building units 1B and 1F previously, the joint 28 between the roof panels 2A bridge | crossed between building units 1A and 1E afterwards will become invisible from the downward direction. be able to.

  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 panel main body 20 having the main beams 21 and 21 and the girder beams 22 and 22 as the main structure has been described. A panel main body portion having the main structure of the panel may be formed.

  Moreover, in the said embodiment, although the ceiling panel 24 was demonstrated as a ceiling surface material, it is not limited to this, What is necessary is just a ceiling finishing material exposed as a ceiling surface.

  Further, in the above-described embodiment, the parting material 4 having a reverse T-shaped cross section is described as the parting material. However, the parting material 4 is not limited to this, and corresponds to the blindfold plate portion 41 having a width wider than the joint 28. If there is, the part fixed to the roof panel 2 may not be wall shape.

  Moreover, in the said embodiment, although the upper surface of the blindfold board part 41 and the lower surface of the ceiling panel 24 were spaced apart, it is not limited to this, The part corresponded to the blindfold board part 41 is the lower surface of a ceiling surface material. The structure may be in close contact with.

10 Unit Building 1A-1J Building Unit 11 Ceiling Beam 11a Mounting Hole 2 Roof Panel 20 Panel Main Body 21 Tail Beam (beam material)
22 Girder (beam material)
24 Ceiling panel (ceiling material)
28 joint 3 boundary wall 4 parting material 41 blindfold plate part 42 vertical wall part 51 protruding piece 101 roof 102 space for separation

Claims (6)

A roof panel used for a roof constructed by arranging a plurality of roof panels arranged on both sides of a joint space above a space between separated building units,
A panel main body which is the main structure of the panel;
A ceiling surface material attached to cover the lower surface side of the panel main body,
It is attached along the side edge of the ceiling surface material on the joint side, and includes a parting material that covers from below the ceiling surface material to the bottom of the roof panel that is installed next to the ceiling surface material ,
The panel main body is formed of a beam member disposed at a peripheral edge, and a protruding piece that can be placed on the upper surface of the building unit facing the separation space is fixed to the beam member. Roof panels. The projecting portions are roof panels according to claim 1, characterized in that the positioning hole is drilled at a position corresponding to the mounting hole formed on an upper surface of the building unit. A roof panel used for a roof constructed by arranging a plurality of roof panels arranged on both sides of a joint space above a space between separated building units,
A panel main body which is the main structure of the panel;
A ceiling surface material attached to cover the lower surface side of the panel main body,
It is attached along the side edge of the ceiling surface material on the joint side, and includes a parting material that covers from below the ceiling surface material to the bottom of the roof panel that is installed next to the ceiling surface material,
The parting material is formed into a reverse T-shape in a cross-sectional view. The parting material is formed in a band shape wider than the joint width and is arranged in a substantially parallel manner with the ceiling surface material, and extends upward from the blindfold plate portion to The roof panel according to any one of claims 1 to 3, further comprising a vertical wall portion fixed to the side edge.   The roof panel according to any one of claims 1 to 4, wherein the panel main body portion is provided with a field wall crossing the inside. The roof panel according to any one of claims 1 to 5 is suspended from the upper part of the leaving space and spanned between the building units,
A method for constructing a unit building, characterized in that another roof panel is suspended from above and installed next to a side of the installed roof panel where the parting material is attached.