Adjustment methods in modular buildings

Abstract

This invention provides an adjustment method for modular buildings that can absorb dimensional errors that occur between adjacent building units. [Solution] The adjustment method for a modular building comprises a placement step of arranging a support member 30 between adjacent first and second building units 100, the support member 30 having an elongated insertion member 40, a protruding member 50 provided on the insertion member 40 that protrudes in the direction in which the canopy portion 1 extends from each building unit 100, and a fixing member 60 that is fixed to the building unit 100; and an insertion step of inserting a spacer 70 into the gap S created along the longitudinal direction between the building unit 100 and the fixing member 60.

Description

[Technical Field]

[0001] The present invention relates to an adjustment method for a unit building. [Background Art]

[0002] Some buildings such as houses are constructed as unit buildings. A unit building is a building that can be constructed in a short period of time by transporting a plurality of rectangular parallelepiped building units manufactured in advance in a factory to a construction site, and combining and installing them at the construction site. Furthermore, in recent years, solar cell panels have been installed on the roofs of buildings, and in this case, an eave portion is provided along the direction projecting from the building unit.

[0003] For example, Patent Document 1 discloses an invention relating to an eave structure (eave portion) provided in a building unit. The eave portion includes a pair of first beam members arranged at intervals in the width direction of the building unit, and a second beam member bridged between the other ends of the first beam members. Each of the pair of first beam members is bridged to a column member of the building unit at one end side and fixed to the outer side surface of a ceiling beam. With this configuration, excessive load acting on the upper beam of the building unit can be suppressed. [Prior Art Document] [Patent Document]

[0004] [Patent Document 1] Japanese Unexamined Patent Publication No. 2024-157439 [Summary of the Invention] [Problem to be Solved by the Invention]

[0005] By the way, when a plurality of building units are combined and installed at a construction site, it is unavoidable that slight dimensional errors occur between the installed building units. If the dimensional error occurring between building units is not properly addressed, the eave portion projecting from the building unit will also be affected.

[0006] Therefore, the present invention aims to provide an adjustment method for a modular building that can absorb dimensional errors that occur between adjacent building units. [Means for solving the problem]

[0007] To address the above-mentioned problems, the present invention provides an adjustment method for a unit building that absorbs dimensional errors occurring between building units when a first building unit and a second building unit, each provided with an overhang, are arranged adjacent to each other. The method comprises an arrangement step of arranging a support member between adjacent first and second building units, the support member having an elongated insertion member, a protruding member provided on one end of the insertion member in the longitudinal direction and projecting from each building unit in the direction in which the overhang extends, and a fixing member fixed to each building unit; and an insertion step of inserting a spacer into the gap created along the longitudinal direction between at least one of the first and second building units and the fixing member.

[0008] Here, the insertion member has an insertion plate inserted between the first ceiling beam of the first building unit and the second ceiling beam of the second building unit, and a mounting plate provided at the upper end of the insertion plate and placed above the first and second ceiling beams, and the fixing member has a pair of fixing plates that protrude in a direction intersecting the longitudinal direction so as to sandwich the insertion plate, in the placement step one of the pair of fixing plates is fixed to the column member of one of the building units of the first building unit and the second building unit, and in the insertion step it is desirable to insert a spacer into the gap created between the other of the pair of fixing plates and the other building unit of the first building unit and the second building unit.

[0009] Furthermore, the system includes a joining step in which the insertion plate is joined to the first ceiling beam and the second ceiling beam by a joining member via a mounting bracket, the insertion plate has a plurality of first through holes through which the joining member passes, the mounting bracket has a plurality of second through holes through which the joining member passes, the joining member has bolts that pass through the first through holes and the second through holes, and it is desirable that the diameter of the shaft portion of the bolts is smaller than the opening diameter of either the first through hole or the second through hole. [Effects of the Invention]

[0010] The adjustment method for a unit building of the present invention comprises a placement step of arranging a support member, which has an elongated insertion member, a protruding member provided on the insertion member that protrudes in the direction in which the eaves portion extends from each building unit, and a fixing member that is fixed to the building unit, between adjacent first and second building units, and an insertion step of inserting a spacer into the gap created along the longitudinal direction between the building unit and the fixing member.

[0011] In other words, when multiple building units are placed adjacent to each other, even if gaps occur between the building units, spacers for gap adjustment are inserted into the gaps. Therefore, dimensional errors between adjacent building units can be absorbed with a simple configuration.

[0012] Furthermore, the insertion member has an insertion plate that is inserted between the ceiling beams of the building unit and a mounting plate that is provided at the upper end of the insertion plate and placed above the ceiling beam. The fixing member has a pair of fixing plates that protrude in a direction intersecting the longitudinal direction so as to sandwich the insertion plate. In the placement step, one of the pair of fixing plates is fixed to the column member of one building unit, and in the insertion step, a spacer is inserted into the gap created between the other of the pair of fixing plates and the other building unit.

[0013] Specifically, the insertion plate of the insertion member is fixed to the ceiling beam of each building unit, and the pair of fixing plates are fixed to the column members of the building unit. Therefore, even if a gap occurs between adjacent building units 100, the canopy portion protruding from the building unit can be firmly supported.

[0014] The system further includes a joining step in which an insertion plate is joined to a first ceiling beam and a second ceiling beam by a joining member via a mounting bracket, the insertion plate having a plurality of first through holes through which the joining member passes, the mounting bracket having a plurality of second through holes through which the joining member passes, and the joining member having bolts that pass through the first through holes and the second through holes, the diameter of the shaft portion of the bolts being smaller than the opening diameter of either the first through hole or the second through hole.

[0015] Specifically, since the first through-hole formed in the insertion plate and the second through-hole formed in the mounting bracket have opening diameters larger than the bolt shaft diameter, these through-holes function as adjustment margins. Therefore, even in the joining step of joining the support member to the building unit, dimensional errors can be absorbed with a simple configuration. [Brief explanation of the drawing]

[0016] [Figure 1] This is a partial perspective view showing a modular building to which the adjustment method in a modular building according to an embodiment of the present invention is applied. [Figure 2] This is a perspective view showing the attachment point between the support member and the building unit. [Figure 3] This is a perspective view of the support member. [Figure 4] This is a plan view of the support member. [Figure 5] This diagram shows a situation where dimensional errors occur between building units. [Figure 6] This diagram shows the process of inserting a spacer into a gap. [Figure 7] This is a perspective view of the spacer. [Figure 8] This is a magnified view showing the spacer inserted into the gap. [Figure 9]It is a side view showing one end side of the first web. [Figure 10] It is a diagram showing a state where a joining member is inserted into the first web and a mounting bracket. MODE FOR CARRYING OUT THE INVENTION

[0017] Hereinafter, an adjustment method for a unit building according to an embodiment of the present invention will be described with reference to the drawings. FIG. 1 is a perspective view partially showing a unit building, and FIG. 2 is a perspective view showing a mounting portion between a support member and a building unit.

[0018] A unit building is configured by combining a plurality of building units 100. FIGS. 1 and 2 show an example in which two left and right building units 100, namely a left building unit (first building unit) 100L and a right building unit (second building unit) 100R, are arranged adjacent to each other, but the number of building units 100 may be three or more. In the following description, when the left building unit 100L and the right building unit 100R are not distinguished, they are simply referred to as the building unit 100.

[0019] A unit building is a building that can be constructed in a short period of time by transporting building units 100 manufactured in advance in a factory to a construction site and assembling them at the construction site. The building unit 100 has a substantially rectangular parallelepiped shape. The building unit 100 is, for example, a steel-framed one.

[0020] In the building unit 100, a box-shaped frame is formed as a structure by pillar members 101 arranged at four corners, ceiling beams (upper beams) 102 serving as beam members spanned between the upper ends of the pillar members 101, and floor beams (not shown) serving as beam members spanned between the lower ends of the pillar members 101.

[0021] The column members 101 and ceiling beams 102 of the building unit 100 are connected via metal joint pieces 104 (connecting members). In this case, the joint pieces 104 are welded to the side of the column members 101. The ceiling beams 102 are formed, for example, from channel steel with a roughly U-shaped cross-section, and the ends of the ceiling beams 102 are connected to the joint pieces 104 by welding or bolting (rigid or semi-rigid connection). The column members 101 are rectangular tubular in shape.

[0022] The building unit 100 is provided with an overhanging canopy portion 1. Specifically, as shown in Figures 1 and 2, the canopy portion 1L is provided to overhang from the left building unit 100L, and the canopy portion 1R is provided to overhang from the right building unit 100R in the same direction as the overhanging canopy portion 1L. In the following description, when there is no distinction between canopy portion 1L and canopy portion 1R, they will simply be referred to as canopy portion 1.

[0023] Furthermore, in the following explanation, the X direction refers to the direction along which the canopy portion 1 extends from the building unit 100, the Y direction refers to the direction perpendicular to the X direction in the horizontal direction, and the Z direction refers to the vertical direction perpendicular to both the X and Y directions. In addition, the ceiling beam extending along the X direction is referred to as the girder roof beam 102a, and the ceiling beam extending along the Y direction is referred to as the gable roof beam 102b.

[0024] The canopy section 1 is composed of a pair of first beam members 10 extending in the X direction and a second beam member 20 spanning between the other ends of the first beam members 10. The canopy section 1 is fixed in such a way that it sandwiches the gable roof beam 102b from the outside in the width direction (Y direction in Figure 1).

[0025] The pair of first beam members 10 each project horizontally (in the X direction in Figure 2) from the girder roof beam 102a and are spaced apart in the width direction (in the Y direction in Figure 2) of the building unit 100. Each of the pair of first beam members 10 projects along the extension direction of the girder roof beam 102a from one end to the other. As shown in Figure 2, a support member 30 is attached between the pair of building units 100L and building unit 100R.

[0026] Figure 3 is a perspective view of the support member 30, and Figure 4 is a plan view of the support member 30. The support member 30 is formed in an elongated shape and is composed of an insertion member 40, a protruding member 50, and a fixing member 60.

[0027] When the support member 30 is attached between a pair of building units 100, the insertion member 40 is inserted between the building units 100, and the protruding member 50 protrudes from the building units 100. In addition, the fixing member 60 is located at the boundary between the building unit 100 and the canopy portion 1.

[0028] The insertion member 40 is a long, elongated portion that is inserted between adjacent building units 100L and 100R. The insertion member 40 is formed in a T-shape in cross-section and comprises a first web 41 extending along its longitudinal direction and a first upper flange 42 provided above the first web 41 and positioned to intersect with the first web 41.

[0029] The first web 41 is a flat insert plate that is inserted between a pair of girder roof beams 102a. The first upper flange 42 is a flat member provided at the upper end of the first web 41 and is a mounting plate that rests on the upper surface of the pair of girder roof beams 102a.

[0030] The protruding member 50 is provided on one end of the inserting member 40 in the longitudinal direction and supports the canopy portion 1 that protrudes from each building unit 100. The protruding member 50 is formed in an I-shape in cross-section and has a second web 51 extending along the longitudinal direction, and a second upper flange 52 and a second lower flange 53 provided above and below the second web 51. The second web 51 may be formed integrally with the first web 41, and the second upper flange 52 may be formed integrally with the first upper flange 42.

[0031] The protruding length of the protruding member 50 is approximately the same as the protruding length of the canopy portion 1, and the first beam member 10 of the canopy portion 1 is inserted between the second upper flange 52 and the second lower flange 53 (see Figure 1).

[0032] The insertion member 40 is provided with a fixing member 60. The fixing member 60 is composed of a pair of fixing plates 61 that sandwich the first web 41 along the horizontal direction. Multiple bolt holes 61a are formed in each fixing plate 61. The pair of fixing plates 61 protrude in a direction intersecting the direction in which the first web 41 extends, so as to sandwich the first web 41.

[0033] Here, it is difficult to position the pair of building units 100L and 100R perfectly to their dimensions at the construction site, and some deviation may occur along the direction in which the girder roof beam 102a extends. That is, as shown in Figure 5, the positions of the ends of the pair of column members 101 do not coincide along the X direction, and a gap S as a relative dimensional error between the building units 100L and 100R may occur between the column members 101.

[0034] If the canopy portion 1 is attached to each building unit 100 between building units 100L and 100R without absorbing the dimensional error in the direction in which the canopy portion 1 protrudes, the dimensional error of the canopy portion 1 will be maintained in the direction in which the canopy portion 1 protrudes.

[0035] Therefore, before attaching the canopy portion 1 to the building unit 100, the support member 30 to which the canopy portion 1 is attached is used to absorb the dimensional error that occurs between the column members 101. The expected gap S is approximately 2 to 3 mm.

[0036] Figure 5 shows a state in which a dimensional error occurs between building units, and Figure 6 shows the process of inserting a spacer into the gap S. As shown in Figures 5 and 6, the support member 30 is positioned between adjacent building units 100 such that the first web 41 is sandwiched between a pair of girder roof beams 102a and the first upper flange 42 is placed on the upper surface of the pair of girder roof beams 102a (positioning step).

[0037] In the placement step, as shown in Figure 6, the fixing plate 61 is fixed in close contact with the column member 101 of the building unit 100 located relatively closer to the canopy portion 1 of the pair of left and right building units 100. The insertion member 40 is fixed to the girder roof beam 102a by the joining member 80 via the mounting bracket 90. A fixing bracket 31 is provided at the tip of the protruding member 50 to which the canopy portion 1 is fixed.

[0038] On the other hand, a gap S along the X direction will be created between the building unit 100 located on the side furthest from the eaves portion 1 of the pair of left and right building units 100 and the fixing plate 61, so a spacer 70 is inserted into the gap S (insertion step).

[0039] Figure 7 is a perspective view of the spacer 70, and Figure 8 is an enlarged view showing the spacer 70 inserted into the gap S.

[0040] As shown in Figure 7, the spacer 70 is configured to have a base portion 71 and a locking portion 72 provided on one end of the base portion 71. The base portion 71 is formed in a flat plate shape and has a pair of insertion grooves 71a formed thereon, one of which is open. The locking portion 72 is provided to protrude in a direction intersecting the base portion 71.

[0041] The thickness of the base portion 71 is, for example, about 1.6 to 3.2 mm, but can be appropriately changed according to the dimensions of the gap S. The material of the spacer 70 is, for example, ZAM steel, but is not limited to this.

[0042] As shown in Figure 8, with the spacer 70 inserted into the gap S, the base portion 71 is fixed to the column member 101 by being sandwiched between the fixing member 60 by fixing bolts 62 inserted into bolt holes 61a along the thickness direction (X direction). The four fixing bolts 62 are inserted into the insertion grooves 71a. Along the insertion direction (Y direction) of the spacer 70, the locking portion 72 abuts against the fixing member 60.

[0043] Incidentally, when adjusting the dimensions of the canopy portion 1 in the direction of projection, that is, along the longitudinal direction of the support member 30, it is also a requirement that the support member 30 has clearance from the building unit 100. Therefore, the method for adjusting the dimensions of the support member 30 along the longitudinal direction will be described below.

[0044] Figure 9 is a side view showing one end of the first web 41, and Figure 10 shows the state in which the joining member 80 is inserted into the first web 41 and the mounting bracket 90.

[0045] As shown in Figure 9, multiple first through holes 41a are formed on one end of the first web 41, penetrating in the thickness direction. Two first through holes 41a are formed along the vertical direction and two along the horizontal direction. The number and position of the first through holes 41a are not particularly limited. A joining member 80 is inserted into the first through holes 41a.

[0046] The joining member 80 is composed of a joining bolt 81 and a nut 82. A mounting bracket 90 is attached to the side of the first web 41, and the joining member 80 joins the insertion member 40 to the girder roof beam 102a (see Figure 5) via the mounting bracket 90. That is, the shaft portion 81a of the joining bolt 81 passes through the mounting bracket 90, the first web 41, and the girder roof beam 102a in that order. The mounting bracket 90 has a plurality of second through holes 90a that penetrate in the thickness direction (joining step).

[0047] The diameter D3 of the shaft portion 81a is smaller than the first opening diameter D1 of the first through hole 41a and the second opening diameter D2 of the second through hole 90a of the mounting bracket 90. Therefore, when the shaft portion 81a is inserted into the first through hole 41a and the second through hole 90a, a gap (clearance) is created between the shaft portion 81a and the first through hole 41a and the second through hole 90a. This allows for the absorption of dimensional errors that may occur when the support member 30 is positioned between a pair of girder roof beams 102a.

[0048] Furthermore, the first opening diameter D1 of the first through hole 41a and the second opening diameter D2 of the second through hole 90a may be larger than or the same as the diameter D3, as long as they are greater than or equal to each other. Also, the shapes of the first through hole 41a and the second through hole 90a are not limited to perfect circles, but may be elliptical.

[0049] In the joining step, the insertion member 40 is joined to the girder roof beam 102a via the mounting bracket 90 by the joining member 80, rather than by welding. Therefore, the insertion member 40 can be joined to the girder roof beam 102a by the joining member 80 while adjusting the joining position.

[0050] As described above, the adjustment method for a unit building according to this embodiment includes a placement step of arranging a support member 30 between adjacent building units 100, the support member 30 having an elongated insertion member 40, a protruding member 50 provided on the insertion member 40 that protrudes in the direction in which the canopy portion 1 extends from each building unit 100, and a fixing member 60 that is fixed to the building unit 100; and an insertion step of inserting a spacer 70 into the gap S created along the longitudinal direction between the building unit 100 and the fixing member 60.

[0051] In other words, when multiple building units 100 are placed adjacent to each other, even if a gap S occurs between the building units 100, a spacer 70 for gap adjustment is inserted into the gap S. Therefore, dimensional errors that occur between adjacent building units 100 can be absorbed with a simple configuration.

[0052] Here, the insertion member 40 has a first web 41 that is inserted between the ceiling beams 102 of the building unit 100 and a first upper flange 42 that is provided at the upper end of the first web 41 and placed above the ceiling beams 102, and the fixing member 60 has a pair of fixing plates 61 that protrude in a direction intersecting the longitudinal direction so as to sandwich the first web 41, and in the placement step one of the pair of fixing plates 61 is fixed to the column member of one building unit 100, and in the insertion step a spacer 70 is inserted into the gap S created between the other of the pair of fixing plates 61 and the other building unit 100.

[0053] Specifically, the first web 41 of the insertion member 40 is fixed to the ceiling beam 102 of each building unit 100, and the pair of fixing plates 61 are fixed to the column members of the building unit 100. Therefore, even if a gap S occurs between adjacent building units 100, the canopy portion 1 protruding from the building unit 100 can be firmly supported.

[0054] The system further includes a joining step in which the first web 41 is joined to the first ceiling beam 102L and the second ceiling beam 102R by a joining member 80 via a mounting bracket 90. The first web 41 has a plurality of first through holes 41a through which the joining member 80 passes, and the mounting bracket 90 has a plurality of second through holes 90a through which the joining member 80 passes. The joining member 80 has joining bolts 81 that pass through the first through holes 41a and the second through holes 90a, and the diameter of the shaft portion of the joining bolts 81 is smaller than the opening diameter of either the first through hole or the second through hole.

[0055] In other words, since the first through-hole 41a formed in the first web 41 and the second through-hole 90a formed in the mounting bracket 90 have opening diameters larger than the shaft diameter of the joining bolt 81, these through-holes function as adjustment allowances. Therefore, even in the joining step of joining the support member 30 to the building unit 100, dimensional errors can be absorbed with a simple configuration.

[0056] While embodiments of the present invention have been described in detail above with reference to the drawings, the specific configuration is not limited to these embodiments, and any design modifications that do not depart from the spirit of the present invention are included in the present invention.

[0057] For example, in the above embodiment, a spacer 70 is inserted between one of the pair of left and right building units 100 and the fixing plate 61, but spacers 70 may also be inserted between both building units 100 and the fixing plate 61. [Explanation of symbols]

[0058] 1: Canopy section 10: First beam 20: Second beam 30: Support member 40: Insertion member 41: First Web 41a: Insertion hole 42: First upper flange 50: Protruding member 51: Second Web 52: Second upper flange 53: Second lower flange 60: Fixing member 61: Fixed plate 62: Fixing bolts 70: Spacer 71: Base section 72: Locking part 80: Joining member 81: Bolt 81a: Shaft 82: Nut 90: Mounting bracket 90a: Through hole 100: Building Unit 100L: Building Unit 100R: Building Unit 101: Pillar material 102: Ceiling beam 102a: Girder roof beam 102b: Gable roof beam S: Gap

Claims

1. An adjustment method for a modular building that absorbs dimensional errors that occur between building units when a first building unit and a second building unit, each provided with an awning, are placed adjacent to each other, A support member having an elongated insert member, a protruding member provided on one end of the insert member in the longitudinal direction and projecting in the direction that the canopy portion extends from each building unit, and a fixing member fixed to each building unit, is placed between the adjacent first building unit and the second building unit in a configuration step; A method for adjusting a unit building, characterized by comprising an insertion step of inserting a spacer into the gap formed along the longitudinal direction between at least one of the first building unit and the second building unit and the fixing member.

2. The insertion member comprises an insertion plate inserted between the first ceiling beam of the first building unit and the second ceiling beam of the second building unit, and a mounting plate provided at the upper end of the insertion plate and placed above the first and second ceiling beams. The fixing member has a pair of fixing plates that protrude in a direction intersecting the longitudinal direction so as to sandwich the insertion plate, In the arrangement step, one of the pair of fixing plates is fixed to a column member of one of the building units, the first building unit and the second building unit. The adjustment method for a unit building according to claim 1, characterized in that the insertion step involves inserting a spacer into the gap between the other of the pair of fixing plates and the other of the first and second building units.

3. The system further includes a joining step in which the insertion plate is joined to the first ceiling beam and the second ceiling beam by a joining member via a mounting bracket, The insertion plate has a plurality of first through holes through which the joining member passes. The mounting bracket has a plurality of second through holes through which the connecting member passes. The connecting member has bolts passing through the first through hole and the second through hole, The adjustment method in a unit building according to claim 2, characterized in that the diameter of the shaft portion of the bolt is smaller than the opening diameter of either the first through hole or the second through hole.

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