JP5244026B2 - Auxiliary assembly and unit building including the auxiliary assembly - Google Patents

Description

  The present invention relates to an accessory assembly in which a plurality of incidental structures attached to a building unit are combined, and a unit building including the same, and in particular, an internal space that communicates vertically and horizontally using a plurality of incidental structures is effective. It relates to ancillary assemblies and unit buildings that can be used.

  Conventionally, as a unit building that assembles building units and installs continuous stairs to the upper and lower building units, remove structural materials such as beams located in the center of the space where the stairs are installed, and penetrate the upper and lower floors It is necessary to make it an atrium. For example, in a rectangular parallelepiped building unit, four pillars are formed into a rectangular parallelepiped shape, and two pillars are added in the middle of the long side direction, and the reinforcing beam constituting the staircase is replaced with the upper beam constituting the rectangular parallelepiped. There are building units and unit type buildings that are in different positions (see, for example, Patent Document 1).

Japanese Patent No. 3278229

  By the way, in the building unit and the unit type building having the above structure, a total of six pillars are formed by using four pillars and using two pillars to form a staircase. Since materials are used and the reinforcing beams in the space constituting the staircase are located at positions different from the upper beams, the configuration becomes complicated and the manufacturing becomes complicated. Moreover, since a part of upper beam which comprises a staircase part is not located in outer periphery, there existed a possibility that intensity | strength might fall.

  The present invention has been made in view of such problems, and an object of the present invention is to provide an accessory assembly that is simple in configuration and easy to manufacture, and a unit building including the same. It is another object of the present invention to provide an incidental assembly having a stable strength and a unit building using the same even if a stairwell or the like is formed.

In order to achieve the above object, the incidental assembly according to the present invention is connected to an elevation of a unit building formed by combining a plurality of rectangular parallelepiped building units in the vertical and horizontal directions, and is smaller than the building unit. An auxiliary assembly for combining a plurality of structures and expanding the internal space of the building unit, wherein the auxiliary assembly uses at least four auxiliary structures, and at least two of the auxiliary structures in a horizontal direction. A structure is juxtaposed, and at least two auxiliary structures are placed in the vertical direction, and a horizontal structural member located at the center of at least four auxiliary structures is removed to remove the auxiliary structure. and by communicating the upper and lower left and right of the inner space.

In addition, in the incidental assembly according to the present invention, the incidental structure includes a vertical surface formed by two parallel column members and two beam members, and a horizontal direction from each corner of the vertical surface. 4 beams extending in the vertical direction, two middle columns connecting the ends of the four beams in the vertical direction, and an upper beam and a lower beam connecting in the horizontal direction. Two elevation surfaces are composed of rigid joint surfaces.

In the incidental assembly according to the present invention, the four beam members are attached to a joint plate fixed to an end portion of the column member constituting the one elevation surface, and to one end portion of the four beam members . The fixed end plates are brought into contact with each other and connected by pin joining, and the two middle pillars are connected to the other ends of the two beam members positioned above and below the four beam members. An end plate fixed to the end of the middle pillar is brought into contact with each other and connected by pin joining, and the upper beam and the lower beam are connected to a joint plate fixed to the other end of the two beams. The end plates fixed to the ends of the upper beam and the lower beam are brought into contact with each other and connected by pin joining, and the two pillar members constituting the one elevation surface are formed of C-shaped steel, and the joint plate is An end plate fixed to an end portion of the C-shaped steel, and a fixed distance from the end plate. It is characterized in that it is fixed between the have been reinforced plates.

In the incidental assembly of the present invention configured as described above, after assembling at least four incidental structures that are juxtaposed in the horizontal direction and placed in the vertical direction, In order to remove a horizontal structural member positioned, for example, a beam member crossing the internal space, the internal space can be communicated vertically and horizontally, and can be suitably used for a staircase or the like. Moreover, the space without a horizontal structure material can be formed in the center as the blow-off space, and the appearance can be improved.

Moreover, as a preferable specific aspect of the incidental assembly according to the present invention, the incidental assembly is characterized by further removing a vertical structural member located at the center of at least four of the incidental structures. In the incidental assembly configured as described above, since the vertical structural member located at the central part of at least four of the incidental structures is removed, the width of the central part of the internal space communicated vertically and horizontally can be widened. It can be used effectively for staircases.

Furthermore, as another preferred specific aspect of the incidental assembly according to the present invention, the incidental assembly is composed of four incidental structures assembled vertically and horizontally, and has an incidental structure at the upper left when viewed from the front. Removing the lower beam on the lower right side of the object, the lower beam on the lower left side of the auxiliary structure on the upper right, the upper beam on the upper right side of the lower left auxiliary structure, and the upper beam on the upper left side of the lower right auxiliary structure. It is a feature. According to this configuration, by removing the lower beam and the upper beam located at the center of the four incidental structures, the four internal spaces can be communicated and effectively used for a staircase or the like. In order to reinforce the removed upper beam and lower beam, it is preferable that a reinforcing member of another horizontal structural material adjacent to the upper beam and the lower beam is provided.

  As still another preferred aspect, the internal space where the at least four incidental structures are communicated is used as a staircase, and a part of one floor surface of the upper left incidental structure or the upper right incidental structure is located on the floor. It is preferable that a part of one floor of the lower left incidental structure or the lower right incidental structure is used as the lower landing. Thereby, a landing can be easily formed in the incidental assembly by forming a landing on the lower floor and forming a landing on the upper floor.

  The unit building according to the present invention is characterized in that the above-described incidental assembly is connected and fixed adjacent to a plurality of building units combined vertically. In the unit building configured as described above, an accessory assembly having an internal space communicating with the upper, lower, left, and right can be attached to the outside of the unit building, attached to the unit building assembled vertically, left and right. The staircase and the atrium space can be easily attached without reducing the internal space.

  The incidental assembly of the present invention and the unit building including the same can communicate and effectively utilize the internal space of the incidental assembly configured by combining a plurality of incidental structures vertically and horizontally. In addition, the structure is simple, and it can be used as a staircase or an atrium space attached to a unit building without reducing the strength of the combined accessory assembly.

The perspective view which shows the schematic structure of one Embodiment of a unit building provided with the incidental assembly which combined the incidental structure which concerns on this invention, and the connection part of I-VIII. The schematic diagram which shows schematic structure of the some incidental structure of FIG. The perspective view which shows one schematic structure of the building unit of FIG. The perspective view which shows in detail the structure of one of the incidental structures of FIGS. The perspective view of the state which decomposed | disassembled the structural material of the incidental structure of FIG. The perspective view of the decomposition | disassembly state which shows the connection part of the IX part of FIG. The perspective view of the decomposition | disassembly state which shows the connection part of the X section of FIG. The perspective view of the decomposition | disassembly state which shows the connection part of the XI part of FIG. FIG. 1 shows details of the I portion of FIG. 1, (a) is a sectional view taken along line s1-s1, (b) is a sectional view taken along line d1-d1 in (a), and (c) is a sectional view taken along line d2-d2 in (a). . FIG. 2 shows details of the II part of FIG. 1, (a) is a sectional view taken along line s2-s2, (b) is a sectional view taken along line d3-d3 in (a), and (c) is a sectional view taken along line d4-d4 in (a). . Fig. 3 shows details of the III part of Fig. 1, (a) is a sectional view taken along line s3-s3, (b) is a sectional view taken along line d5-d5 in (a), and (c) is a sectional view taken along line d6-d6 in (a). . 1 shows details of the IV part of FIG. 1, (a) is a view taken along the line s4-s4, (b) is a sectional view taken along line d7-d7 in (a), and (c) is a sectional view taken along line d8-d8 in (a). Figure. The detail of the V part of FIG. 1 is shown, (a) is s5-s5 sectional view taken on the line, (b) is a top view of (a). FIG. 1 shows details of the VI part of FIG. 1, (a) is a sectional view taken along line s6-s6, (b) is a sectional view taken along line d9-d9 in (a), and (c) is a sectional view taken along line d10-d10 in (a). . The details of the VII part of Drawing 1 are shown, (a) is a s7-s7 line sectional view, (b) is a d11-d11 line sectional view of (a), and (c) is a d12-d12 line sectional view. FIG. 1 shows details of the VIII portion of FIG. 1, (a) is a sectional view taken along line s8-s8, (b) is a sectional view taken along line d13-d13 in (a), and (c) is a sectional view taken along line d14-d14 in (a). .

  Hereinafter, an embodiment of a unit building including an incidental assembly in which incidental structures according to the present invention are combined will be described in detail with reference to the drawings.

  1-4, the unit building U of the present embodiment is configured by combining six rectangular parallelepiped building units 1, 1,... Having substantially the same shape vertically and horizontally. The incidental structure 10 which combines the incidental units 20, 30, 40, and 50 which are individual incidental structures is connected. The building units 1, 1... Are basically rectangular parallelepipeds having the same configuration and substantially the same planar shape. However, the building unit 1A on the first floor and the building unit 1B on the second floor have different floor heights. The height of the building unit is set larger than the height of the building unit on the second floor. In addition, the pillars of some of the first floor building units use thick prisms.

  As shown in FIG. 3, the building unit 1 (1A, 1B) has a box ramen structure formed by joining steel structural members into a rectangular parallelepiped shape by welding, and is composed of four columnar members made of prismatic columns. 2, 2, and the lower beam (floor beam) 3, 3 in the long side direction (X direction) and the lower beam (floor beam) in the short side direction (Y direction) for connecting the lower ends of the column members in the horizontal direction ) 4, 4 and four column members 2, 2, ..., upper beams (ceiling beams) 5, 5 in the long side connecting the upper ends in the horizontal direction, and upper beams (ceiling beams) 6 in the short side direction 6 are formed in a rectangular parallelepiped shape. In the building unit 1, floor joists 7, 7... Are installed between the lower beams 3 and 3 at a predetermined interval, and ceiling joists 8, 8. Each column member and each beam member are welded with reinforcing plates 9, 9... Interposed at the corners to enhance the rigidity of the building unit 1.

  The four accessory units 20, 30, 40, and 50 constituting the accessory assembly 10 have a rectangular parallelepiped shape that is smaller than the building unit 1 and are connected to one elevation surface in the short side direction of the building unit 1. It is configured. That is, the elevation surface parallel to the short side direction of the building unit 1 and one elevation surface of the incidental unit have the same shape. The accessory unit basically extends the building unit to be connected to expand the internal space. The incidental unit of this embodiment is connected along the long side direction of a building unit, and expands internal space in the long side direction. The accessory assembly 10 is attached to and connected to one vertical surface that is continuous above and below the four building units 1.

  Here, the schematic configuration of the four accessory units will be described with reference to FIG. 2 which is a schematic diagram showing the members constituting the accessory unit in a straight line. In FIG. 2, (a) shows the upper left auxiliary unit on the second floor, (b) shows the upper right auxiliary unit on the second floor, (c) shows the lower left auxiliary unit on the first floor, (d) The accessory unit on the lower right of the first floor is shown. When the four auxiliary units are viewed from the front (X direction), the lower right auxiliary unit 20 includes four parallel columns 21a and 21b, middle columns 21c and 21d, as shown in FIG. Four lower beams 22a, 22b, 22c, and 22d that connect the lower ends of the four column members in the horizontal direction, and four upper beams 23a, 23b that connect the upper ends of the four column members in the horizontal direction, It is formed in a rectangular parallelepiped shape from 23c and 23d.

  The lower left auxiliary unit 30 has a configuration in which the lower right auxiliary unit 20 is horizontally reversed. The upper right auxiliary unit 40 and the upper left auxiliary unit 50 are basically the lower right auxiliary unit 20 and the lower left auxiliary unit, respectively. The same structure as the unit 30, and the four accessory units 20, 30, 40, 50 are combined vertically and horizontally, that is, the accessory units 20, 30 are juxtaposed and the accessory units 40, 50 are placed thereon. Thus, the incidental assembly 10 is configured. And in this invention, the structural material located in the center part inside the combined incidental assembly 10 is removed, and an incidental assembly is completed.

  As shown in FIG. 2D, the accessory unit 20 on the lower right side has four pillars, that is, two prisms 21a and 21b and two middle pillars 21c and 21d, and four lower beams 22a to 22a. 22d and four upper beams 23a to 23d are formed into a hexahedron, and a plurality of floor beams 24, 24... Are fixed at equal intervals on the floor surface. Further, corner studs 25, 25... For fixing the outer wall material are fixed to the right side surface constituting the outer wall. Further, a reinforcing brace 26 is fixed at an inclination on the left side, and an intermediate beam 27 and a reinforcing brace 28 are fixed on the upper surface. The incidental unit 20 is configured as a rectangular parallelepiped with twelve structural members. After being assembled into the incidental assembly 10, the middle column 21d, the upper beam 23b, and the reinforcing brace 26 are located at the center indicated by the broken line. Removed.

  As shown in FIG. 2 (c), the lower left auxiliary unit 30 basically has a configuration in which the lower right auxiliary unit 20 is horizontally reversed. Similarly, four parallel prisms 31a, 31b, and The middle pillars 31c, 31d, the four lower beams 32a, 32b, 32c, 32d and the four upper beams 33a, 33b, 33c, 33d are formed in a rectangular parallelepiped shape. .. Are fixed, corner studs 35 are fixed to the left side, reinforcing brace 36 is fixed to the right side, and intermediate beam 37 and reinforcing brace 38 are fixed to the top. After the accessory unit 30 is assembled as the accessory assembly 10, the middle column 31d, the upper beam 33b, and the reinforcing brace 36 located at the center indicated by the broken line are removed.

  As shown in FIG. 2B, the accessory unit 40 at the upper right includes four parallel prisms 41a and 41b, middle columns 41c and 41d, and four lower beams 42a, 42b, 42c, 42d, and 4 The upper beams 43a, 43b, 43c, and 43d of the book are formed in a rectangular parallelepiped shape with 12 structural members. The incidental unit 40 has a shape in which floor beams 44, 44... Are fixed to a part of the floor so as to function as a landing on the floor. The corner studs 45 are fixed to the right side surface, the reinforcing brace 46 is fixed to the left side surface, and the reinforcing brace 48 is fixed to the upper surface. After the accessory unit 40 is assembled as the accessory assembly 10, the middle column 41d, the lower beam 42b, and the reinforcing brace 46 located at the center indicated by the broken line are removed.

  As shown in FIG. 2 (a), the upper left auxiliary unit 50 inverts the right upper auxiliary unit 40 from side to side, and the floor beam is not fixed to the floor surface, and the floor surface is a space. That is, the incidental unit 50 includes four parallel prisms 51a and 51b, middle columns 51c and 51d, four lower beams 52a, 52b, 52c, and 52d, and four upper beams 53a, 53b, and 53c. , 53d are formed in a rectangular parallelepiped shape. Corner studs 55 and 55 are fixed to the left side surface to which the outer wall material is fixed, and a reinforcing brace 56 is fixed to the right side surface facing the adjacent accessory unit 40. A reinforcing brace 58 is fixed to the upper surface. After the accessory unit 50 is also assembled as the accessory assembly 10, the middle column 51d, the lower beam 52b, and the reinforcing brace 56 located at the center indicated by the broken line are removed.

  Here, the details of the incidental unit will be described in detail with reference to the incidental unit 20 as an example with reference to a perspective view showing a schematic configuration of the structural material in FIG. 4 and a perspective view showing a state in which only each structural material in FIG. 5 is disassembled. Explained. As described above, the accessory unit 20 includes the four column members composed of the two prisms 21a and 21b and the two middle columns 21c and 21d, the four lower beams 22a to 22d, and the four upper beams. A total of 12 structural members 23a to 23d are formed in a rectangular parallelepiped shape. The four column members, the four upper beams, and the four lower beams are all formed from C-shaped steel. The two prisms 21a and 21b located in the corner have a length corresponding to the total height of the accessory unit, and a short lower beam 22a and a short upper beam 23a are fixed to the upper and lower ends in the X direction by welding W. Has been. That is, a rigid joint surface P1 (see FIG. 5) is formed by the two prisms 21a and 21b and the upper beam 22a and the lower beam 23a that connect the upper and lower sides of the prisms.

  The other two pillars, the middle pillars 21c and 21d, are formed shorter than the two prisms 21a and 21b. Specifically, the height of the upper beams 23c and 23d and the lower beams 22c and 22d is higher than the total height of the incidental unit. The length is formed by subtracting the length. The lower beams 22c and 22d are connected to the lower portions of the two prisms 21a and 21b forming the rigid joint surface P1 in the Y direction by pin joining such as bolts and nuts. And the lower beam 22b of the X direction is arrange | positioned between the other ends of the connected lower beam, and it connects similarly by pin joining, and forms a bottom face. The middle columns 21c and 21d are connected to the upper portions of the other ends of the connected lower beams 22c and 22d by pin joining such as bolts and nuts. Thereafter, upper beams 23c and 23d in the Y direction are arranged on the upper part of the middle pillar and connected with bolts and nuts, and the other ends of these upper beams are connected to the upper parts of the prisms 21a and 21b with bolts and nuts. Furthermore, the short upper beam 23b is arrange | positioned between the edge parts of the upper beams 23c and 23d, and it connects with a bolt nut.

  As will be described later, the upper beam 23b is removed when the auxiliary assembly 10 is assembled, and the upper beam 23d of the auxiliary units 20 and 30 which are adjacent horizontal structural members before the upper beam is removed. , 33d, and horizontal units for reinforcing the lower beams 42d, 52d of the auxiliary units 40, 50 (reinforcing members 15, 16 to be described later in detail) are set small in height. It is below the upper surface of the upper beams 23c and 23d.

  As a result, a basic rectangular parallelepiped is formed, and the floor beams 24, 24... Are connected between the lower beams 22c, 22d at a predetermined interval, and the corner studs 25 made of an angle material are adjacent to the prisms 21a, 21b. Is fixed, and a reinforcing brace 26 that reinforces an upright surface composed of the two middle pillars 21c and 21d, the upper beam 23b, and the lower beam 22b is fixed. Further, the intermediate beam 27 is fixed to the upper surface, and the horizontal reinforcing brace 28 is fixed to complete the incidental unit 20. As described above, the incidental unit 20 has one vertical surface formed by the rigid joint surface P1, and the three lower beams 22b, 22c, 22d and the two middle pillars 21c, 21d, and the three upper surfaces are formed on the rigid joint surface P1. The beams 23b, 23c, and 23d are connected to each other.

  Here, the connection structure of each structural material is demonstrated with reference to FIGS. 6 is an exploded perspective view showing the connecting structure of the IX portion of FIG. 5, FIG. 7 is an exploded perspective view showing the connecting structure of the X portion of FIG. 5, and FIG. 8 is a connecting structure of the XI portion of FIG. It is a perspective view of the decomposition state shown. As shown in FIG. 6, the connecting portion IX of the upper end of the middle post 21d, the short upper beam 23b, and the long upper beam 23d is a joint plate formed of an angle material at the end of the long upper beam 23d in the Y direction. JP1 is fixed by welding or the like, and a through-hole through which a bolt for connecting in the X direction is formed is formed in this joint plate JP1.

  Further, an end plate EP1 is fixed to the end of the upper beam 23b having a short X direction, and a through hole through which a connecting bolt is passed is formed in the end plate. As described above, the height of the upper beam 23b is set smaller than the height of the upper beam 23d, and the rib above the upper beam 23b is connected to be lower than the rib above the upper beam 23d. ing. An end plate EP2 is fixed to the upper end of the middle column 21d, and a through hole through which a connecting bolt is passed is also formed in this end plate. The end plate EP2 is in contact with a lower rib of the upper beam 23d, and a through hole through which a connecting bolt is passed is formed in the lower rib.

  The end plate EP1 fixed to the upper beam 23b is brought into contact with the joint plate JP1 fixed to the upper beam 23d, a bolt is inserted into the through hole, and the nut is tightened and connected by a bolt nut. Further, the end plate EP2 fixed to the upper end of the middle column 21d is brought into contact with the lower rib of the upper beam 23d, a bolt is inserted into the through hole, and the nut is tightened and connected by a bolt nut. Thereby, the middle column 21d, the upper beam 23d, and the upper beam 23b are connected. In addition, the structure which connects the middle pillar 21c and the upper beam 23b to the upper beam 23c on the opposite side is substantially the above-described structure reversed, and detailed description thereof is omitted.

  Next, with reference to FIG. 7, the connection part X of the lower end of the middle column 21d, the short lower beam 22b, and the long lower beam 22d will be described. As shown in FIG. 7, a joint plate JP2 formed of an angle material is fixed to the end of the long lower beam 22d in the Y direction, and a through hole through which a bolt for connecting in the X direction is passed to this joint plate. Is formed. The joint plate JP2 is formed with a wide portion having through holes for passing bolts up and down, and the center is a narrow connecting portion for connecting a column or a beam through a lateral opening of the narrow connecting portion. The bolts and nuts can be inserted into the C-shaped steel.

  Further, an end plate EP3 is fixed to the end portion of the lower lower beam 22b in the X direction, and a through-hole through which a connecting bolt is passed is formed in the end plate. As with the joint plate JP2, the end plate EP3 is formed with a wide portion having through holes for passing bolts up and down, and a narrow connecting portion at the center. An end plate EP4 is fixed to the lower end of the middle column 21d, and a through-hole through which a connecting bolt is passed is also formed in this end plate. The end plate EP4 is in contact with the upper rib of the lower beam 22d, and a through-hole through which a connecting bolt is passed is formed in the upper rib.

  The end plate EP3 fixed to the lower beam 22b is brought into contact with the joint plate JP2 fixed to the lower beam 22d, a bolt is inserted into the through hole, and the nut is tightened and connected by a bolt nut. Further, the end plate EP4 fixed to the lower end of the middle column 21d is brought into contact with the upper rib of the lower beam 22d, a bolt is inserted into the through hole, and the nut is tightened and connected with a bolt nut. Thereby, the lower end of the middle pillar 21d, the lower beam 22d, and the lower beam 22b are connected. In addition, the structure which connects the middle column 21c and the lower beam 22b to the lower beam 22c on the opposite side is substantially the above-described structure reversed, and detailed description thereof is omitted.

  Furthermore, with reference to FIG. 8, the connection part XI of the prism 21a and the lower beam 22c is demonstrated. In FIG. 8, an end plate EP5 fitted to the inside of the C-shaped steel is fixed to the lower end of the prism 21a, and a reinforcing plate HP1 fitted to the inside of the C-shaped steel is also fixed to the upper part of the end plate. Has been. The distance between the end plate EP5 and the reinforcing plate HP1 is configured to correspond to the height of the lower beam 22c connected to the prism. A joint plate JP3 is fixed between the end plate EP5 and the reinforcing plate HP1 so as to block a part of the opening of the prism. The prism 21a and the short lower beam 22a are fixed by welding to form the rigid joint surface P1 as described above.

  As described above, the joint plate JP3 is formed with a wide portion having a through hole for passing a bolt up and down, the center being a narrow connecting portion, and through a lateral opening of the narrow connecting portion, a column or Bolts and nuts for connecting the beams can be inserted into the C-shaped steel. An end plate EP6 is fixed to the end of the lower beam 22c connected to the prism 21a. This end plate is formed in a shape having the same wide portion as the joint plate JP3 and a narrow connecting portion.

  Then, the end plate EP6 at the end of the lower beam 22c is brought into contact with the joint plate JP3 fixed to the lower end of the prism 21a, a bolt is passed through the through hole, and the joint portion with a narrow width between the joint plate JP3 and the end plate EP6. The lower beam 22c can be connected to the lower end of the prism 21a by inserting a nut into the C-shaped steel and screwing the nut into the bolt. Although not shown, the configuration in which the other end portion of the lower beam 22d is connected to the lower end of the opposite prism 21b, and the configuration in which the upper beams 23c and 23d are connected to the upper portions of the prisms 21a and 21b are substantially the same as described above. Since the configuration is the same, the description is omitted.

  The other three incidental units 30, 40, and 50 have basically the same configuration as that of the incidental unit 20 described above, and although not shown, a rigid joint surface is formed by two prisms, an upper beam, and a lower beam. The three lower beams, the two middle columns, and the three upper beams are connected to the rigid joint surface by bolts and nuts. And these incidental units 30, 40, and 50 are connected with a floor beam, a brace material, etc. according to the function.

  In the incidental units 20, 30, 40, and 50 configured in this way, four column members are formed of C-shaped steel, and other beam members can be light, so that square columns are used. Light weight and cost reduction can be achieved compared to the case where Further, since the incidental unit is connected with the building unit, the strength of the incidental unit itself depends on the building unit to be connected, and the strength becomes stable. Furthermore, since the C-shaped steel is used as the column material, the connection with the bolts and nuts can be easily performed as compared with the case of the rectangular column.

  Here, referring to FIGS. 9 to 16, a connecting portion of the accessory assembly 10 in which the four accessory units 20, 30, 40, 50 are combined, and this accessory assembly and the building units 1 </ b> A, 1 </ b> A, 1 </ b> B, 1 </ b> B. The connecting portion will be described in detail. First, when the four accessory units 20, 30, 40, 50 are viewed from the front (X direction), the center I portion (see FIG. 1) on the front side of the four accessory units will be described.

  FIG. 9 is a diagram showing details of the I part of FIG. 1, and the accessory unit 20 on the right side of the lower floor, the accessory unit 30 on the left side of the lower floor, the accessory unit 40 on the right side of the upper floor, The center part of the incidental assembly 10 with which the left incidental unit 50 is combined is shown. 9A is a cross-sectional view taken along line s1-s1 in FIG. 1A, FIG. 9B is a cross-sectional view taken along line d1-d1 in FIG. 1A, and FIG. It is sectional drawing which follows a d2-d2 line.

  The upper beam 23c of the accessory unit 20 on the right side of the lower floor (left side in FIG. 9a) is formed of C-shaped steel, and a joint plate JP4 formed of an angle material is fixed to an end portion thereof. The upper beam 23b, which is perpendicular to the upper beam 23c and is short and has a small height, is formed of C-shaped steel, and an end plate EP7 is fixed to the end, and the end plate and the joint plate JP4 of the upper beam 23c are in contact with each other. And it is connected by two bolts and nuts BN1. Similarly, the middle column 21c of the accessory unit 20 is formed of C-shaped steel, and an end plate EP8 is fixed to the upper end. The upper beam 23c and the column member 21c are connected by two bolts and nuts BN2 with the end plate EP7 contacting the lower rib of the upper beam 23c.

  The accessory unit 30 on the left side of the lower floor (the right side in FIG. 9a) has a shape obtained by horizontally inverting the accessory unit 20, and is formed of an upper beam 33c formed of C-shaped steel and C-shaped steel. The intermediate column 31c and the upper beam 33b formed of C-shaped steel are connected by the same configuration as that of the incidental unit 20. That is, although not shown, a joint plate made of an angle material is fixed to the end of the upper beam 33c, and the end of the upper beam 33b that is perpendicular to the upper beam 33c and is perpendicular to the horizontal direction is the end. The plate is fixed, the end plate and the joint plate of the upper beam 33c are in contact with each other, and are connected by two bolts and nuts. An end plate is fixed to the upper end of the middle column 31c. The upper beam 33c and the middle column 31c are connected by two bolts and nuts with the end plate contacting the rib of the upper beam 33c.

  The lower beam 42c of the accessory unit 40 on the right side of the upper floor (left side in FIG. 9a) is formed of C-shaped steel, and a joint plate JP5 formed of an angle material is fixed to the end thereof. The lower beam 42b, which is perpendicular to the lower beam 42c and is perpendicular to the horizontal direction, is formed of C-shaped steel, and an end plate EP9 is fixed to the end, and the end plate and the joint plate JP5 of the lower beam 42c are in contact with each other. The bolts and nuts BN3 are connected.

  Similarly, the middle column 41c of the accessory unit 40 is formed of C-shaped steel, and an end plate EP10 is fixed to the lower end. The lower beam 42c and the middle column 41c are connected by a bolt and nut BN4 with the end plate EP10 contacting the rib above the lower beam 42c. The height of the lower beam 42b is set smaller than the lower beam 42c to be connected, and the upper ribs are connected so as to have the same height, so that a space is formed below the lower beam 42b. A reinforcing member, which will be described later, is disposed in this space and in the space above the upper beam 23b of the incidental unit 20.

  The accessory unit 50 on the left side of the upper floor (the right side in FIG. 9a) has a shape obtained by horizontally inverting the accessory unit 40, and is formed of a lower beam 52c formed of C-shaped steel and C-shaped steel. The intermediate column 51c and the lower beam 52b formed of C-shaped steel are connected by the same configuration as the auxiliary unit 40. That is, although not shown, a joint plate made of an angle material is fixed to the end of the lower beam 52c, and the end of the lower beam 52b that is perpendicular to the lower beam 52c and perpendicular to the horizontal direction is the end. The plate is fixed, the end plate and the joint plate of the lower beam 52c are in contact with each other, and are connected by two bolts and nuts. The lower beam 52c is also made of a beam material having a small height. An end plate is fixed to the lower end of the middle column 51c. The lower beam 52c and the middle column 51c are connected by two bolts and nuts with the end plate contacting the upper rib of the lower beam 52c.

  As shown in FIG. 2, reinforcing braces 26, 36, 46, and 56 are fixed to the four incidental units 20, 30, 40, and 50 as reinforcing members on the opposing vertical surfaces. Since these brace materials are all fixed with the same configuration, the reinforcing brace 46 will be described with reference to FIG. A support portion 46a made of an angle member is fixed to the lower end of the reinforcing brace 46 by welding, and this support portion is in contact with the upper rib of the lower beam 42b and fixed with a bolt and nut. Although FIG. 9C shows only the lower end of the brace material, the upper end is similarly configured to be fixed with a bolt and nut via a support portion made of an angle material. For this reason, the reinforcement brace 46 can be removed by removing the bolts and nuts.

  In this way, the connecting portion I at the center of the accessory assembly 10 formed by assembling the four accessory units 20, 30, 40, 50 is formed by bolts and nuts via the C-shaped steel, the joint plate, and the end plate. It is joined. For this reason, after assembling the incidental units 20, 30, 40, 50 as the incidental assembly 10, it is possible to remove structural members such as columns and beams as necessary. Further, the reinforcing braces 26, 36, 46 and 56 can be easily removed by removing the bolts and nuts.

  After the assembly, in order to remove the upper beams 23b and 33b, the lower beams 42b and 52b, and the reinforcing braces 26, 36, 46, and 56, which are horizontal structural members located in the center, the reinforcing member is Y to reinforce this portion. It is fixed along the direction. That is, the U-shaped reinforcing member 15 and the inverted U-shaped reinforcing member 16 are interposed between the upper beams 23c and 33c and the lower beams 42c and 52c so as to contact the flat portion. It is fixed with four bolts and nuts BN5. The reinforcing members 15 and 16 have a function of aligning the upper beams 23c and 33c in the Y direction of the adjacent accessory units 20 and 30 and the lower beams 42c and 52c in the Y direction of the accessory units 40 and 50 in a straight line. , One rib of the U-shaped cross section is fixed so as to contact the upper beam and the lower beam.

  Next, when the four auxiliary units 20, 30, 40, 50 are viewed from the front, the right central part II (see FIG. 1) on the right side of the central part I of the four auxiliary units is shown in FIG. explain. 10A is a cross-sectional view taken along the line s2-s2 in the II part of FIG. 1, FIG. 10B is a cross-sectional view taken along the line d3-d3 in FIG. 1A, and FIG. It is sectional drawing which follows a d4-d4 line.

  The accessory unit 20 on the lower right side of the lower floor has an end plate EP11 fixed to the upper end of a prism 21a made of C-shaped steel, and a reinforcing plate HP2 separated from the upper end by a distance corresponding to the height of the beams 33a and 33c. Is fixed. The joint plate JP6 is fixed so as to close a part of the opening of the C-shaped steel. The joint plate is basically configured in the same manner at other points. Specifically, as shown in the perspective view of FIG. 8, the end plate is fixed to the upper end or the lower end of the prism. The reinforcing plate is fixed with a gap, the joint plate is fixed so as to straddle both plates, and bolts and nuts can be inserted into the C-shaped steel using the space next to the connecting portion where the joint plate is narrow. It has a configuration.

  The upper beam 23c connected to the upper part of the prism 21a is made of C-shaped steel, and an end plate EP12 is fixed to an end surface facing the prism 21a. The end plate EP12 has the same shape as the joint plate JP6 fixed to the upper part of the prism and has a through hole at the same position. Then, the end plate EP12 is brought into contact with the joint plate JP6, and the upper beam 23 is connected to the upper portion of the prism 21a with a bolt nut BN6. The upper beam 23a is joined by welding to a surface orthogonal to the surface to which the upper beam 23c of the prism 21a is connected, thereby forming the rigid joint surface. A bracket 28a for supporting the horizontal reinforcing brace 28 is fixed to the side surface of the prism 21a, and a reinforcing plate 28b is fixed inside the prism 41a corresponding to the bracket.

  On the upper part of the accessory unit 20 on the lower floor, the accessory unit 40 on the upper floor is connected and fixed. That is, the end plate EP13 is fixed to the lower end of the prism 41a of the accessory unit 40, and the reinforcing plate HP3 is fixed at a distance corresponding to the height of the end plate and the lower beams 42a and 42c. The prisms are connected to each other by a bolt nut BN7 in a state where the end plate EP13 at the lower end of the prism 41a of the accessory unit 40 and the end plate EP11 at the upper end of the prism 21a of the accessory unit 20 on the lower floor are in contact.

  A joint plate JP7 having a shape similar to that of the above-described joint plate JP6 and having a short length in the vertical direction is fixed between the end plate EP13 of the accessory unit 40 and the reinforcing plate HP3. The lower beam 42c on the joint plate side is made of C-shaped steel, and an end plate EP14 having the same shape is fixed to the end thereof. The end plate EP14 is brought into contact with the joint plate JP7, and the prisms 41a are formed by bolts and nuts BN8. Are connected to the lower beam 42c. The lower beam 42a is joined by welding to a surface orthogonal to the surface to which the lower beam 42c of the prism 41a is connected. As described above, the structural members connected by the bolts and nuts can be removed after the auxiliary assembly 10 is assembled.

  Furthermore, when the four accessory units 20, 30, 40, 50 are viewed from the front, the center back part III (see FIG. 1) behind the center part I of the four accessory units will be described with reference to FIG. To do. 11A is a cross-sectional view taken along line s3-s3 in FIG. 1A, FIG. 11B is a cross-sectional view taken along line d5-d5 in FIG. 1A, and FIG. It is sectional drawing which follows a d6-d6 line.

  The incidental units 20, 30, 40, and 50 are connected to the building units 1A and 1A on the first floor and the building units 1B and 1B on the second floor, respectively. In the accessory unit 20 on the lower right of the first floor, a joint plate JP8 formed of an angle member is fixed to an end portion of an upper beam 23d formed of C-shaped steel. An end plate EP15 is fixed to the end portion of the upper beam 23b in the short side direction formed of C-shaped steel, and this end plate is in contact with the joint plate JP8 and connected by a bolt and nut BN9. Further, an end plate EP16 is fixed to the upper end of the middle column 21d made of C-shaped steel, and is connected to the lower rib of the upper beam 23d by a bolt nut BN10.

  In the incidental unit 40 on the upper right of the second floor, a joint plate JP9 formed of an angle member is fixed to an end of a lower beam 42d formed of C-shaped steel. An end plate EP17 is fixed to the end portion of the lower beam 42b in the short side direction formed of C-shaped steel, and this end plate contacts with the joint plate JP9 and is connected by a bolt and nut BN11. Further, an end plate (not shown in detail) is fixed to the lower end of the middle column 41d formed of C-shaped steel, and is connected to the upper rib of the lower beam 42d by a bolt and nut.

  The auxiliary unit 30 on the lower left of the first floor has the same configuration in which the auxiliary unit 20 on the lower right is reversed left and right, and the upper beam 33d in the long side direction, the upper beam 33b in the short side direction, and the middle column 31d are connected. Further, the upper left auxiliary unit 50 on the second floor has the same configuration in which the upper right auxiliary unit 40 is horizontally reversed, and the lower beam 52d in the long side direction, the lower beam 52b in the short side direction, and the middle column 51d are connected. . Since this configuration is also equivalent to the configuration of the connecting portion of the accessory units 20 and 30, detailed description thereof is omitted.

  As described above, the accessory assembly 10 including the four accessory units 20, 30, 40, and 50 is connected to the building units 1A, 1A, 1B, and 1B. That is, the upper beams 23d and 33d in the long side direction of the auxiliary units 20 and 30 juxtaposed on the first floor and the pillars 2 and 2 of the building units 1A and 1A on the first floor are in contact with the spacer SP1 between them, It is connected with bolts and nuts BN12. In this connection with bolts and nuts, three through holes are formed in the upper parts of the column members 2 and 2, nuts are welded in the upper and lower two through holes, and the intermediate through holes are connected to the auxiliary units 20 and 30 side. A protruding guide pin GP is inserted.

  The auxiliary units 20 and 30 and the building units 1A and 1A are positioned by the guide pins GP protruding from the auxiliary units 20 and 30, and the bolts are screwed into the nuts fixed in the column 2 and connected by the bolt nut BN12. It is. The second floor incidental units 40 and 50 and the second floor building units 1B and 1B are also connected with the same configuration in which the spacer SP2 is interposed between the guide pins GP and the bolts and nuts BN13 are connected.

  Further, when the four accessory units 20, 30, 40, 50 are viewed from the front, the right back center IV part (see FIG. 1) on the right side of the right center part II of the four accessory units is shown in FIG. Will be described. 12A is a cross-sectional view taken along line s4-s4 in FIG. 1A, FIG. 12B is a cross-sectional view taken along line d7-d7 in FIG. 1A, and FIG. It is sectional drawing which follows a d8-d8 line.

  The incidental unit 20 on the lower floor is connected to the prisms 21b, the upper beam 23d, and the upper beam 23a, and the incidental unit 40 on the upper floor is connected to the prisms 41b, the lower beam 42d, and the lower beam 42a. The prism 21b of the accessory unit 20 is made of C-shaped steel, and an end plate EP18 is fixed to the upper end, and a reinforcing plate HP4 is fixed to a distance corresponding to the height of the beams 23a and 23d from the upper end. Then, corresponding to the end plate EP18 and the reinforcing plate HP4, a short upper beam 23a is fixed to one rib of the prism 21b by welding.

  A joint plate JP10 is fixed to the upper part of the prism 21b so as to block a part of the opening of the C-shaped steel. This joint plate JP10 has the same shape as described above, and has a through-hole through which the bolt passes through the upper and lower wide portions, and the central portion is a narrow portion, and a bolt or nut can be inserted on the back side. The long upper beam 23d is also made of C-shaped steel, and an end plate EP19 having the same shape as the joint plate JP10 is fixed to the end portion in the longitudinal direction, and both plates are brought into contact with each other and connected by a bolt nut BN14. Yes.

  The prisms 41b of the incidental unit 40 on the second floor are made of C-shaped steel, the end plate EP20 is fixed to the lower end, and the reinforcing plate HP5 is fixed to a distance corresponding to the height of the lower beams 42a and 42d from the lower end. Yes. Then, corresponding to the end plate EP20 and the reinforcing plate HP5, a short lower beam 42a is fixed to one rib of the prism 41b by welding. A through hole is formed in the center of the end plate EP20 at the lower end of the prism 41b of the incidental unit 40 on the upper floor, and a through hole is also formed in the center of the end plate EP18 at the upper end of the prism 21b of the incidental unit 20 in the lower floor. . These through-holes are formed so as to communicate with each other when the accessory assembly 10 is assembled, and are configured so that they can be connected by bolts and nuts BN15 penetrating both the holes in contact with both end plates. .

  A joint plate JP11 is fixed to the lower portion of the prism 41b so as to block a part of the opening of the C-shaped steel. This joint plate JP11 has the same shape as described above, and has a through-hole through which the bolt passes through the upper and lower wide portions, and the central portion is a narrow portion, and a bolt or nut can be inserted on the back side. The long lower beam 42d is also formed of C-shaped steel, and an end plate EP21 having the same shape as the joint plate JP11 is fixed to the end portion in the longitudinal direction, and both the plates are brought into contact with each other and connected by a bolt nut BN16. Yes.

  As for the connection between the accessory units 20 and 40 and the building units 1A and 1B, as described above, the spacer SP is interposed between the pillar of the building unit and the pillar of the accessory unit, and the positioning is performed by the guide pin GP. The bolts and nuts BN are connected and fixed. That is, the spacer SP3 is sandwiched between the pillar 2 of the building unit 1A on the first floor and the prism 21b of the incidental unit 20, and the guide pin GP is used for positioning, and the bolts and nuts BN17 are connected and fixed. Further, the spacer SP4 is sandwiched between the pillar of the building unit 1B on the second floor and the prism 41b of the incidental unit 40, the guide pin GP is used for positioning, and the bolts and nuts BN18 are connected and fixed.

  Further, when the four accessory units 20, 30, 40, 50 are viewed from the front, a connection portion V portion (see FIG. 1) between the two accessory units 20, 30 on the lower floor and the foundation K is shown in FIG. It explains using. FIG. 13A is a cross-sectional view taken along line s5-s5 in the V portion of FIG. 1, and FIG. 13B is a plan view of FIG.

  The prism 21a and the short lower beam 22a of the accessory unit 20 are joined by welding or the like, and the prism 21a and the long lower beam 22c are connected by a bolt and nut BN19 with the joint plate JP12 and the end plate EP22 in contact with each other. Further, the middle column 21c is connected to the upper end portion of the long lower beam 22c with a bolt and nut, and is fixed to the end portion of the short lower beam 22b and the joint plate JP13 fixed to the end opening of the lower beam 22c. The end plate EP23 is brought into contact with each other and connected with a bolt and nut BN20.

  The corner anchor bolt AB embedded and fixed in the foundation K passes through the end plate at the lower end of the prism 21a, and is fixed with an anchor nut with a spacer (washer) interposed therebetween. The intermediate anchor bolt AB1 embedded and fixed in the middle of the foundation K passes through the lower beam with the anchor spacer AS interposed between the foundation K and the lower beam, and is fixed with an anchor nut with the washer spacer interposed therebetween. Yes. The attachment of the accessory unit 20 at the lower right (left side in FIG. 9) and the foundation K in FIG. 13 is as described above, but the attachment of the accessory unit 30 at the lower left and the foundation K is fixed at the lower right accessory unit 20. The detailed description will be omitted.

  Further, when the four auxiliary units 20, 30, 40, 50 are viewed from the front, the back center VI part (see FIG. 1) of the two auxiliary units 20, 30 on the lower floor will be described with reference to FIG. . 14A is a cross-sectional view taken along line s6-s6 of the VI part in FIG. 1, FIG. 14B is a cross-sectional view taken along line d9-d9 in FIG. 1A, and FIG. It is sectional drawing which follows a d10-d10 line. The joint plate JP14 is fixed to the center end of the lower beam 22d, and the end plate EP24 having the same shape as the joint plate is fixed to the end of the short lower beam 22b. The joint plate JP14 and the end plate EP24 are brought into contact with each other. It is connected with bolts and nuts BN21.

  In the incidental unit 20, an end plate EP25 fixed to the lower end of the middle column 21d is connected to the upper end of the center side of the long lower beam 22d by a bolt nut BN22. The connecting portion between the lower beams 22b and 22d and the middle column 21d is placed on the foundation K and is not anchored. In the same manner as described above, the lower beam 22d and the pillar 2 of the building unit 1A are connected and fixed by being guided by the guide pin GP with the spacer SP5 interposed therebetween and fixed by the bolt nut BN23. The bolt and nut can be tightened through a narrow portion between the joint plate JP14 and the end plate EP24. The adjoining incidental unit 30 has a configuration in which the incidental unit 20 is reversed left and right, and thus detailed description thereof is omitted.

  Furthermore, when the four accessory units 20, 30, 40, 50 are viewed from the front, the upper center portion VII above the center I portion of the two accessory units 40, 50 on the upper floor (see FIG. 1), This will be described with reference to FIG. 15A is a cross-sectional view taken along the line s7-s7 of the VII portion of FIG. 1, FIG. 15B is a cross-sectional view taken along the line d11-d11 of FIG. 1A, and FIG. It is sectional drawing which follows a d12-d12 line.

  A joint plate JP15 made of an angle material is fixed to an end of the accessory unit 40 on the center side of the long upper beam 43d. Further, an end plate EP26 having the same shape as the joint plate JP15 is fixed to the end portion of the short upper beam 43b, and both the plates are brought into contact with each other to connect the upper beam 43b and the upper beam 43d with a bolt and nut BN24. . An end plate EP27 at the upper end of the middle post 41d is in contact with the lower rib of the upper beam 43d and is connected by a bolt and nut BN25.

  The adjacent incidental unit 50 is also configured such that the incidental unit 40 is reversed left and right, and the upper beams 53b and 53d and the middle pillar 51d are connected. The ribs above the upper beam 43d of the accessory unit 40 and the upper beam 53d of the accessory unit 50 are fixed with support portions for fixing the horizontal reinforcing braces 48 and 58 on the lower surface. The reinforcing braces 48 and 58 are connected and fixed with bolts and nuts.

  The connecting and fixing of the upper beams 43d and 53d connected to the upper ends of the middle columns 41d and 51d and the building units 1B and 1B on the second floor are the same as the connecting structure of the columns and the upper beams of the building units described above. The spacer SP6 is sandwiched between the upper beams 43d and 53d and the column member 2 and positioned by the guide pin GP and fixed by the bolt nut BN26.

  Further, when the four accessory units 20, 30, 40, 50 are viewed from the front, the back center portion VIII portion (see FIG. 1) at the back of the upper center portion VII portion of the two accessory units 40, 50 on the upper floor. This will be described with reference to FIG. 16A is a cross-sectional view taken along the line s8-s8 of the VIII portion of FIG. 1, FIG. 16B is a cross-sectional view taken along the line d13-d13 of FIG. 1A, and FIG. It is sectional drawing which follows a d14-d14 line. The joint plate JP16 is fixed to the end of the accessory unit 40 at the center of the long upper beam 43c, and the end plate EP28 having the same shape as the joint plate JP16 is fixed to the end of the short upper beam 43b. The upper beam 43b and the upper beam 43c are connected by bolts and nuts BN27.

  The end plate EP29 at the upper end of the middle column 41c is in contact with the lower rib of the upper beam 43c, and is connected by a bolt and nut BN28. The adjacent accessory unit 50 also has a structure in which the accessory unit 40 is reversed left and right, and the upper beams 53b and 53c are connected by the joint plate JP17, the end plate EP30, and the bolt nut BN29, and the end plate of the middle column 51c is connected to the upper beam 53c. EP31 contacts and is connected by bolts and nuts BN30.

  On the upper surfaces of the upper ribs of the upper beams 43c and 53c, a connecting plate 17 for connecting these beam members to each other is fastened by four bolts and nuts BN31. The connecting plate 17 has a function of a reinforcing plate that reinforces the short upper beams 43b and 53b that are removed in order to connect the internal space after the four auxiliary units are assembled into the auxiliary assembly 10. That is, when the upper beams 43b and 53b are removed, the end portions on the center side of these beam members are easily shaken in the horizontal direction, but the beam members 43c and 53c are integrated by fastening the connecting plate 17, and end portions Can be prevented. The connecting plate 17 is formed in a flat plate shape, but by using an angle member or the like, it is also possible to make the upper plate and the side surfaces of the upper beams 43c and 53c come into contact with each other and be integrated.

  The operation of the incidental assembly 10 combining the incidental units (accompanying structures) 20, 30, 40, and 50 of the present embodiment configured as described above and the unit building U including the incidental assembly will be described below. First, a plurality of building units 1, 1... Are installed and fixed on the foundation K. That is, the lower-floor building units 1A and 1A are installed and fixed on the foundation K, then the upper-floor building units 1B and 1B are placed, and the reinforcing plates 9 adjacent to the pillars 2 of the upper and lower building units are bolted to each other. (Not shown) are connected and fixed to form a unit building.

  Thereafter, the auxiliary units 20, 30, 40, 50 are connected and fixed to the assembled building units 1A, 1A, 1B, 1B to form the auxiliary assembly 10, and the unit building U is configured. First, the incidental units 20 and 30 on the lower floor are placed on the foundation K and fixed with anchor bolts AB and AB1. Thereafter, a spacer SP or the like is sandwiched between the pillars 2, 2. Then, connect and fix with bolts and nuts BN. For example, in the back center VI portion that connects the building unit 1A and the accessory unit, as shown in FIG. , And the lower beam 32d of the accessory unit 30, and after positioning with the guide pin GP, it is connected and fixed with the bolt nut BN23.

  That is, three through holes are formed in the lower end portion of the pillar 2 of the building unit 1A, nuts are fixed to the inner surfaces of the upper and lower through holes, and the central nut is a hole into which the guide pin GP is inserted. . On the other hand, the lower beam 22d of the accessory unit 20 is formed of C-shaped steel, and although not shown in the drawing, three through holes are formed at the center side end, and the guide pin GP is fixed to the central through hole. Yes. When the spacer SP5 is sandwiched between the lower beam 22d and the column 2 and positioned by the guide pin GP, both the through holes can be connected by the communication bolt nut BN23. Although the lower end of the prism 21b of the accessory unit 20 is not shown, three through holes are formed in the same manner, and are positioned with guide pins and connected with bolts and nuts. The connection of the lower beam 32d of the accessory unit 30 and the prism 31b on the other end side is also connected and fixed to the column 2 of the building unit 1A with the same configuration.

  The connection between the upper part of the incidental units 20 and 30 and the upper part of the pillars 2, 2... Of the building unit 1 A, 1 A has the same structure as described above, that is, the upper part of the pillar 2 with the spacer in between and the upper beam on the middle pillar side. It is performed by making contact, positioning with a guide pin, and connecting and fixing with a bolt and nut. Also, the upper part of the pillar and the upper part of the prism are brought into contact with each other with a spacer interposed therebetween, positioned with a guide pin, and connected and fixed with a bolt and nut.

  Thereafter, the accessory units 40 and 50 are mounted and fixed on the upper parts of the accessory units 20 and 30 fixed on the foundation K and connected and fixed to the building units 1A and 1A. When the upper floor accessory units 40 and 50 are placed on the lower floor accessory units 20 and 30, the upper and lower end plates are in contact with each other, but the upper beam on the lower floor and the lower beam on the upper floor are not spaced apart. Therefore, the upper and lower beams are brought into contact with each other with a spacer having a thickness corresponding to the gap.

  In this state, for example, as shown in FIG. 10, through holes formed in the end plates EP11 at the upper ends of the prisms 21a and 21b of the accessory unit 20 on the lower floor and the prisms 41a and 41b of the accessory unit 40 on the upper floor A bolt is passed through a through-hole formed in the end plate EP13 at the lower end, and a nut is screwed in, and connected with a bolt nut BN7. Further, bolts are formed in the through holes formed in the upper end plates of the prisms 31a and 31b of the accessory unit 30 on the lower floor and the through holes formed in the end plates on the lower ends of the prisms 51a and 51b of the accessory unit 50 on the upper floor. Screw the through nuts and connect them with bolts and nuts. Thereby, the incidental units on the upper and lower floors are connected and fixed by the bolts and nuts in the prisms.

  Thereafter, the incidental units 40 and 50 on the upper floor of the incidental assembly 10 in which the four incidental units are combined are connected and fixed to the building units 1B and 1B in the horizontal direction. This connection is basically the same structure as the connection of the incidental units 20 and 30 on the lower floor to the building units 1A and 1A. For example, as shown in FIGS. The pillars of the units 1B and 1B and the prisms 41a and 41b of the incidental unit 40 and the spacer SP of the contact portion between the lower beam 42d and the upper beam 43d are sandwiched between the pillars of the building units 1B and 1B and the incidental unit 50. The prisms 51a and 51b and the spacers at the contact portion between the lower beam 52d and the upper beam 53d are sandwiched, positioned by the guide pin GP, and connected by a bolt nut BN or the like.

  In this manner, after the incidental assembly 10 in which the incidental units 20, 30, 40, 50 are assembled is connected to the building units 1A, 1A, 1B, 1B, the structural material located at the center of the incidental assembly 10 is removed. . In the incidental unit 20, the structural members to be removed are the upper left upper beam 23b, the left inner column 21d, and the left side reinforcing brace 26. In the incidental unit 30, the upper right upper beam 33b, the right inner column 31d, and the right side reinforcing brace 36 are provided. In the incidental unit 40, the lower left lower beam 42b, the left inner column 41d, and the left side reinforcing brace 46 are provided. Further, in the incidental unit 50, there are a lower right lower beam 52b, a right inner column 51d, and a reinforcing brace 56 on the right side.

  The upper beam 23b on the upper left of the accessory unit 20 and the upper beam 33b on the upper right of the accessory unit 30 are, for example, bolt nuts connected to the upper beam 23c and the upper beam 33c as shown in FIGS. It can be easily removed by removing BN9 and the like and removing the bolts and nuts BN1 connected to the upper beam 23d and the upper beam 33d, respectively. Further, the lower left lower beam 42b of the auxiliary unit 40 and the lower right lower beam 52b of the auxiliary unit 50 can be easily removed by removing the bolts and nuts connecting them. Further, the reinforcing braces 26, 36, 46, and 56 can be easily removed by removing the bolts and nuts that fix the braces.

  In this way, the horizontal structural member located at the center of the auxiliary assembly 10, specifically, the upper beam 23b of the auxiliary unit 20, the upper beam 33b of the auxiliary unit 30, the lower beam 42b of the auxiliary unit 40, and the auxiliary unit 50. By removing the lower beam 52b and removing the reinforcing braces 26, 36, 46, 56, the central portion of the accessory assembly 10 can form a continuous space without any structural material, for example, through the upper and lower floors. It can be effectively used as a staircase room for installing stairs. In addition, a space without a structural material in the intermediate portion can be effectively used as a blow-off space.

  Then, the structural members in the vertical direction of the accessory assembly 10, specifically, the middle pillars 21d, 31d, and 41d that are located at the center of the four accessory units 20, 30, 40, and 50 and face the adjacent building units. By removing 51d, there is no column material located in the center of the space communicated in the vertical and horizontal directions, and in particular, when this communication space is used as a staircase, there is no vertical protrusion in the center of the stairs, The appearance can be improved and the use of stairs can be facilitated.

  In this manner, the auxiliary assembly 10 is configured by combining the four auxiliary units, and the horizontal structural members (upper beams 23b and 33b, lower beams 42b and 52b, reinforcing braces 26, 36, and 46 are arranged in the center. 56, and the middle pillars 21d, 31d, 41d, 51d, the adjacent upper beams 23d, 33d and lower beams 42d, 52d are reinforced by the reinforcing members 15, 16, so that the strength of the auxiliary assembly 10 is increased. 16, the strength of the auxiliary assembly 10 can be improved by connecting and reinforcing the upper beams 43c and 53c of the tops of the auxiliary units 40 and 50 with the connecting plate 17, as shown in FIG. Can do.

  Although one embodiment of the present invention has been described in detail above, the present invention is not limited to the above-described embodiment, and various modifications can be made without departing from the spirit of the present invention described in the claims. Design changes can be made. For example, although an example in which four auxiliary structures are assembled to form an auxiliary assembly has been shown, five or more auxiliary structures may be assembled to form an auxiliary assembly. In this case, it is possible to appropriately change such as arranging three auxiliary structures on the first floor and arranging two auxiliary structures on the second floor.

  In the above-described embodiment, an example of a two-story building in which building units are assembled in two layers has been shown, but the present invention can also be applied to a unit building having three or more stories. For example, in the case of a three-story unit building, it is possible to remove both the intermediate beam material on the first and second floors and the intermediate beam material on the second and third floors to form an internal space that connects the first to third floors. it can.

  In addition, although the accessory unit on the lower floor of the accessory assembly configured by combining a plurality of accessory units has been shown to be installed on the foundation, the base is not formed on the part where the accessory unit is installed. Of course, it may be in an overhang state protruding from the building unit.

  Furthermore, the above-mentioned incidental unit is connected in the long side direction of the building unit and expands its internal space. However, the incidental unit is connected to the elevation in the long side direction, that is, in the short side direction. You may comprise so that internal space may be expanded. In this case, the elevation in the long side direction is a surface having a large area, but it is also possible to connect an accessory unit having a narrow elevation to a part of the wide elevation.

  As an application example of the present invention, the internal space of a unit building in which building units are combined can be expanded by using an incidental assembly formed by combining at least four incidental structures that are attached and connected to the building unit. It can be applied to applications such as staircases and atrium spaces.

1 (1A, 1B): building unit, 10: incidental assembly, 15, 16: reinforcing material, 17: connecting plate,
20: Attached unit (attached structure), 21a, 21b: prism, 21c, 21d: middle pillar, 22a, 22b, 22c, 22d: lower beam, 23a, 23b, 23c, 23d: upper beam, 24: floor beam (Downstairs landing), 26: Reinforcement brace,
30: Attached unit (attached structure), 31a, 31b: prism, 31c, 31d: middle pillar, 32a, 32b, 32c, 32d: lower beam, 33a, 33b, 33c, 33d: upper beam, 34: floor beam (Downstairs landing), 36: Reinforcement brace,
40: Attached unit (attached structure), 41a, 41b: prism, 41c, 41d: middle pillar, 42a, 42b, 42c, 42d: lower beam, 43a, 43b, 43c, 43d: upper beam, 44: floor beam (Upstairs landing), 46: Reinforcement brace,
50: Attached unit (attached structure), 51a, 51b: prism, 51c, 51d: middle pillar, 52a, 52b, 52c, 52d: lower beam, 53a, 53b, 53c, 53d: upper beam, 56: reinforcing brace,
K: foundation, U: unit building, P1: rigid joint surface

Claims (12)

Connected to the vertical surface of a unit building composed of a plurality of rectangular parallelepiped building units combined vertically and horizontally, combining a plurality of cuboidal accessory structures smaller than the building unit to expand the internal space of the unit building An accessory assembly,
The auxiliary assembly uses at least four auxiliary structures, juxtaposes at least two auxiliary structures in the horizontal direction, and mounts at least two auxiliary structures in the vertical direction. And
The incidental structure includes one vertical surface formed by two parallel column members and two beam members, and four beam members extending in a horizontal direction from each corner of the vertical surface, It is composed of two middle pillars that connect the end portions of the four beam members in the vertical direction, and an upper beam and a lower beam that are coupled in the horizontal direction, and the one elevation surface is composed of a rigid joint surface,
The four beam members are connected to a joint plate fixed to an end portion of the column member constituting the one elevation surface by bringing an end plate fixed to one end portion of the four beam members into contact with each other. The two middle pillars are connected to each other by an end plate fixed to the other ends of the two beam members positioned above and below the four beam members. the connected by pin joints by Taise', the upper beam and the lower beam, wherein the joint plate secured to the other end of the two beam members, fixed to the end of the on the beam and the lower beam The end plates are brought into contact with each other and connected by pin joining,
The two column members constituting the one elevation surface are formed of C-shaped steel, and the joint plate has an end plate fixed to an end of the C-shaped steel, and a distance from the end plate. Fixed between the fixed plate and
An accessory assembly comprising: at least four horizontal structures positioned in a central portion of the accessory structure, wherein the horizontal structural member is removed and the internal spaces on the top, bottom, left and right of the accessory structure are communicated.   The accessory assembly according to claim 1, wherein the accessory assembly further removes a vertical structural member located at a central portion of at least four of the accessory structures. The joint plate fixed to the two pillar members has a flat plate shape, the upper and lower wide portions and the central narrow portion are connected by inclined sides, and the four beam members are connected to the wide portion. The accessory assembly according to claim 1, wherein a through hole into which the bolt is inserted is formed. The end plate fixed to one end portion of the four beam members has a flat plate shape, and an upper and lower wide portion and a central narrow portion are connected by an inclined side, and the lower beam and the upper beam are connected to the wide portion. The accessory assembly according to claim 1, wherein a through hole into which a bolt for connection is inserted is formed. The beam material is formed of C-shaped steel, and the joint plate fixed to the other end portion of the two beam materials is formed of an angle material having one surface and another surface orthogonal to the one surface. 2. The surface according to claim 1, wherein the surface closes the opening of the C-shaped steel, and the other surface is formed with a through hole into which a bolt for connecting the lower beam and the upper beam is inserted. The incidental assembly in any one of -4. The auxiliary assembly is composed of four auxiliary structures assembled vertically and horizontally,
When viewed from the front, the lower beam at the lower right of the upper left auxiliary structure, the lower beam at the lower left of the upper right auxiliary structure, the upper beam at the upper right of the lower left auxiliary structure, and the upper left of the lower right auxiliary structure The accessory assembly according to claim 1, wherein the upper beam is removed.   The auxiliary assembly according to claim 6, further comprising a reinforcing member made of another horizontal structural member adjacent to the upper beam and the lower beam so as to reinforce the removed upper beam and the lower beam.   The auxiliary member according to claim 7, wherein the reinforcing member has a U-shaped cross-section, and is fixed so that one rib of the U-shaped cross-section is in contact with the upper beam or the lower beam. Assembly.   The incidental assembly according to any one of claims 1 to 8, wherein an internal space where the at least four incidental structures are communicated is used as a staircase.   The incidental assembly according to claim 9, wherein a part of one floor of the upper left auxiliary structure or the upper right auxiliary structure is used as a landing on the floor.   11. The incidental assembly according to claim 9, wherein a part of one floor surface of the lower left incidental structure or the lower right incidental structure is used as a lower landing.   12. A unit building, wherein the incidental assembly according to claim 1 is connected and fixed adjacent to a plurality of building units combined vertically.

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