Furring strip mounting structure and method for constructing furring strip mounting structure

Abstract

To provide a furring strip attachment structure allowing enough joint strength at a bolt joint part to be easily ensured while ensuring construction accuracy of a vertical furring strip.SOLUTION: A lateral furring strip (1) is provided with a joint part (12) for a girder jointed on the girder (3), a joint part (13) for an upper side vertical furring strip jointed on the upper side vertical furring strip (2A), and a joint part (14) for a lower side vertical furring strip jointed on the lower side vertical furring strip (2B), wherein the girder (3) is provided with a joint part (7) for the lateral furring strip jointed on the part (12) for a girder, and either of the joint part (12) for a girder and the joint part (7) for a lateral furring strip is provided with an adjustment hole (12A) long in an adjustment direction (X). A bolt joint part (27) to joint with bolts the joint part (12) for a girder and the joint part (7) for a lateral furring strip is buried in a floor slab (28) constructed on the girder (3).SELECTED DRAWING: Figure 1

Description

[Technical field]

[0001] The present invention relates to a furring strip mounting structure for attaching vertical furring strips to girder beams via horizontal furring strips. [Background technology]

[0002] In the furring strip mounting structure of Patent Document 1, the girder joint (body mounting fastener 19) of the horizontal furring strip (horizontal frame members 7A, 7B) and the horizontal furring strip joint (L-shaped plate member 8) of the girder (steel beam 31) are bolted together using adjustment long holes (loose holes 25) that are long in the adjustment direction, so the position of the horizontal furring strip joined to the girder can be adjusted in the adjustment direction. This makes it possible to adjust the position of the vertical furring strip (5) joined to the horizontal furring strip in the adjustment direction, making it easier to ensure the erection accuracy of the vertical furring strip. [Prior art documents] [Patent documents]

[0003] [Patent Document 1] JP 2016-113839 A Summary of the Invention [Problem to be solved by the invention]

[0004] However, when bolting the horizontal and vertical furring strips using the adjustment long holes, it is not possible to ensure sufficient joint strength. Therefore, in order to ensure sufficient joint strength, it is necessary to weld bolts and nuts to the bolt joints, making bolting at the bolt joints cumbersome.

[0005] In view of this situation, the main object of the present invention is to provide a furring strip mounting structure that can easily ensure sufficient joint strength at bolt joints while making it easy to ensure the erection accuracy of vertical furring strips. [Means for solving the problem]

[0006] The first characteristic configuration of the present invention is a furring strip mounting structure in which a vertical furring strip is attached to a girder via a horizontal furring strip, The vertical furring strips include upper vertical furring strips that are above the horizontal furring strips and lower vertical furring strips that are below the horizontal furring strips. The horizontal furring strips are provided with a girder joint that is joined to the girder, an upper vertical furring strip joint that is joined to the upper vertical furring strip, and a lower vertical furring strip joint that is joined to the lower vertical furring strip. The girder is provided with a horizontal furring strip joint that is joined to the girder joint of the horizontal furring strip. The direction in which the vertical furring strips and the girder are aligned in a plan view is the adjustment direction. The side where the vertical furring strip is present relative to the girder in the adjustment direction is set as the outer side, and either one of the girder joint of the horizontal furring strip and the horizontal furring strip joint of the girder is provided with an adjustment long hole that is long in the adjustment direction for bolting the girder joint to the horizontal furring strip joint so as to be adjustable in the adjustment direction, and a bolt joint that bolts the girder joint of the horizontal furring strip and the horizontal furring strip joint of the girder is provided on the girder. Pour the concrete embedded in a constructed floor slab, the horizontal furring strips being in contact with the floor slab on the outer side thereof. and in contact with the floor slab throughout the thickness of the floor slab. It is in the way it is placed.

[0007] According to this configuration, the joints of the horizontal furring strips for the main girder and the joints of the horizontal furring strips for the main girder are bolted together using the long adjustment holes that are long in the adjustment direction, so the position of the horizontal furring strips relative to the main girder can be adjusted in the adjustment direction. This allows the positions of the vertical furring strips joined to the horizontal furring strips to be adjusted in the adjustment direction, so that by adjusting the position of the horizontal furring strips, the adjustment of the position of the vertical furring strips is completed at the same time. In addition, the bolt joints between the horizontal furring strips and the main girder are bolted using adjustment long holes, and by embedding the bolt joints in the floor slab constructed on the main girder, sufficient joint strength can be easily ensured at the bolt joints without having to perform welding or the like on the bolt joints. Therefore, it is possible to easily ensure sufficient joint strength at the bolt joint while making it easier to ensure the erection accuracy of the vertical furring strips. In addition, with this configuration, when pouring concrete for the floor slab, the horizontal furring strips are located adjacent to the outside of the floor slab, so the horizontal furring strips can also be used as formwork when pouring the concrete. This reduces the amount of work required to erect and dismantle the formwork when pouring the concrete.

[0008] A second characteristic configuration of the present invention is a method for adjusting the width of a movable member by adjusting a width of the movable member, comprising: Horizontal furring strip joint is provided on the girder in a state where it protrudes upward from the upper surface of the girder, Joint for girder is provided on the horizontal furring strip in a state where it protrudes inward from the inward-facing surface of the horizontal furring strip, and the bolt joint is configured to bolt the main girder joint and the horizontal furring strip joint together in a state where they overlap in the width direction.

[0010] The third characteristic configuration of the present invention is that the upper vertical furring strip joint of the horizontal furring strip is provided with an up-down long hole that is long in the up-down direction to allow for a bolt joint that can be adjusted in the up-down direction to the upper vertical furring strip, and the lower vertical furring strip joint of the horizontal furring strip is provided with a round hole to allow for a bolt joint that cannot be adjusted in the up-down direction to the lower vertical furring strip.

[0011] According to this configuration, the vertical furring strips can be installed across the horizontal furring strips located above and below by joining the vertical furring strips as lower horizontal furring strips to the lower vertical furring strip joint of the horizontal furring strips, and joining the vertical furring strips as upper horizontal furring strips to the upper vertical furring strip joint of the horizontal furring strips. By joining the vertical furring strips to the lower vertical furring strip joint using round holes, the vertical furring strips can be joined to the lower vertical furring strip joint with sufficient joining strength without welding or the like, while by joining the vertical furring strips to the upper vertical furring strip joint using upper and lower long holes, the vertical furring strips can be joined to the upper vertical furring strip joint even if there is an error in the spacing between the upper and lower horizontal furring strips.

[0012] The fourth characteristic configuration of the present invention is as follows: A method for constructing a furring strip mounting structure, comprising: When constructing the floor slab by pouring concrete on the girders, the horizontal furring strips are arranged in adjacent positions on the outside of the area where the concrete is poured, and are used as the outer formwork. It is at the point.

[0013] The fifth characteristic configuration of the present invention is that the horizontal furring strip and a plurality of the vertical furring strips are assembled to form a furring strip unit. The point is that it constitutes a According to this configuration, the horizontal furring strips and a plurality of vertical furring strips are unitized into a furring strip unit by ground assembly. This reduces the labor required for erecting the steel frame, and the furring strips can be adjusted on a unit-by-unit basis. This reduces the amount of adjustment work required. [Brief description of the drawings]

[0014] [Figure 1] Side view of furring strip mounting structure [Diagram 2] Plan view of the furring strip installation structure before constructing the slab floor [Diagram 3] Side view of the furring strip installation structure before constructing the slab floor [Figure 4] Front view of furring strip unit DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS

[0015] DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS An embodiment of the present invention will be described with reference to the drawings. Fig. 1 shows a furring strip mounting structure in which vertical furring strips 2 are mounted to girder 3 via horizontal furring strips 1. The furring strip mounting structure will be described below, with the out-of-plane direction in which the vertical furring strips 2 and girder 3 are lined up in a plan view being defined as the adjustment direction X, the side in the adjustment direction X where the vertical furring strips 2 exist relative to the girder 3 being defined as the outer side X1, and the opposite side being defined as the inner side X2. Additionally, the direction perpendicular to the adjustment direction X in a plan view (the direction along which the horizontal furring strips 1 run) will be described as the width direction Y.

[0016] As shown in Figs. 1 to 3, the girder 3 is provided with a girder body 6 installed along the width direction Y, and a horizontal furring strip joint 7 joined to the horizontal furring strip 1. The girder body 6 is made of H-shaped steel. The horizontal furring strip joint 7 is formed in a plate shape, and its lower end is joined by welding to the upper surface of the upper flange of the girder body 6 in an orientation along the vertical direction Z and the adjustment direction X. In this way, the horizontal furring strip joint 7 is provided on the girder 3 in a state where it protrudes upward Z1 from the girder body 6. Note that Figs. 2 and 3 show the state before a floor slab 28 is constructed on the girder 3.

[0017] As shown in Figures 1 and 3, the vertical furring strips 2 include upper vertical furring strips 2A located on the upper side Z1 relative to the horizontal furring strips 1, and lower vertical furring strips 2B located on the lower side Z2 relative to the horizontal furring strips 1. The horizontal furring strips 1 include a horizontal furring strip body 11 formed in a rectangular tube shape and installed along the width direction Y, a girder joint 12 joined to the girder 3, an upper vertical furring strip joint 13 joined to the upper vertical furring strip 2A, and a lower vertical furring strip joint 14 joined to the lower vertical furring strip 2B.

[0018] 1 to 3, the girder joint 12 is formed in a plate shape, and in an orientation along the adjustment direction X and the vertical direction Z, the end on the outer side X1 is welded to the surface facing the inner side X2 of the horizontal furring strip main body 11. In this way, the girder joint 12 is provided on the horizontal furring strip 1 so as to protrude from the horizontal furring strip main body 11 to the inner side X2. The upper vertical furring strip joint 13 is formed in a plate shape, and its lower end is welded to the surface facing the upper side Z1 of the horizontal furring strip main body 11 in an orientation along the adjustment direction X and the vertical direction Z. In this way, the upper vertical furring strip joint 13 is provided on the horizontal furring strip 1 so as to protrude from the horizontal furring strip main body 11 to the upper side Z1. The lower vertical furring strip joint 14 is formed in a plate shape, and its upper end is welded to the surface facing the lower side Z2 of the horizontal furring strip main body 11 in an orientation along the adjustment direction X and the vertical direction Z. In this way, the lower vertical furring strip joint 14 is provided on the horizontal furring strip 1 so as to protrude from the horizontal furring strip main body 11 to the lower side Z2.

[0019] The vertical furring strip 2 comprises a vertical furring strip main body 17 formed by arranging two frame materials 16 aligned in the vertical direction Z in the width direction Y, an upper horizontal furring strip joint 18 provided at the end of the upper side Z1 of the vertical furring strip 2 to which the horizontal furring strip 1 is joined, and a lower horizontal furring strip joint 19 provided at the end of the lower side Z2 of the vertical furring strip 2 to which the horizontal furring strip 1 is joined. As shown in Figure 2, the two frame materials 16 are made of lip channel steel and are installed so that the lips face opposite sides.

[0020] As shown in Fig. 3, the upper end of each of the two frame materials 16 is formed with a round hole 18A for the upper horizontal furring strip to be bolted to the horizontal furring strip 1, and the upper horizontal furring strip joint 18 is formed by the upper end of the two frame materials 16 (the upper end of the vertical furring strip main body 17). The lower end of each of the two frame materials 16 is formed with a round hole 19A for the lower horizontal furring strip to be bolted to the horizontal furring strip 1, and the lower horizontal furring strip joint 19 is formed by the lower end of the two frame materials 16 (the lower end of the vertical furring strip main body 17). Note that in Fig. 3, the bolts are omitted in order to make the holes for bolting easier to see.

[0021] The upper vertical furring strip joint 13 of the horizontal furring strip 1 is provided with an up-down long hole 13A that is long in the up-down direction Z for bolting to the vertical furring strip 2 (upper vertical furring strip 2A) in an adjustable manner in the up-down direction Z. In addition, the lower horizontal furring strip joint 19 of the vertical furring strip 2 is provided with a lower horizontal furring strip round hole 19A whose diameter is the same as the width of the up-down long hole 13A in the adjustment direction X. In this way, either the upper vertical furring strip joint 13 of the horizontal furring strip 1 or the lower horizontal furring strip joint 19 of the vertical furring strip 2 (in this embodiment, the upper vertical furring strip joint 13) is provided with an upper and lower long hole 13A for adjusting the lower horizontal furring strip joint 19 in the vertical direction Z relative to the upper vertical furring strip joint 13. In this embodiment, the upper vertical furring strip joint 13 of the horizontal furring strip 1 is provided with two upper and lower long holes 13A lined up in the vertical direction Z, and the lower horizontal furring strip joint 19 of the vertical furring strip 2 is provided with two lower horizontal furring strip round holes 19A lined up in the vertical direction Z.

[0022] The lower vertical furring strip joint 14 of the horizontal furring strip 1 is provided with a round hole 14A for bolting to the vertical furring strip 2 (lower vertical furring strip 2B) in a manner that makes it impossible to adjust in the vertical direction Z. In addition, the upper horizontal furring strip joint 18 of the vertical furring strip 2 is provided with an upper horizontal furring strip round hole 18A whose diameter is the same as that of the round hole 14A. In this embodiment, the lower vertical furring strip joint 14 of the horizontal furring strip 1 has two round holes 14A lined up in the vertical direction Z, and the upper horizontal furring strip joint 18 of the vertical furring strip 2 has two round holes 18A for the upper horizontal furring strip lined up in the vertical direction Z.

[0023] The girder joint 12 of the horizontal furring strip 1 is provided with an adjustment slot 12A that is long in the adjustment direction X for bolting to the girder 3 so that the position in the adjustment direction X can be adjusted. In addition, the horizontal furring strip joint 7 of the girder 3 is provided with a horizontal furring strip round hole 7A whose diameter is the same as the width in the vertical direction Z of the adjustment slot 12A. In this way, either the girder joint 12 of the horizontal furring strip 1 or the girder joint 7 of the horizontal furring strip 3 (in this embodiment, the girder joint 12) is provided with an adjustment long hole 12A for adjusting the girder joint 12 in the adjustment direction X relative to the horizontal furring strip joint 7. In this embodiment, the joint 12 for the girder of the horizontal furring strip 1 is provided with two long adjustment holes 12A aligned in the adjustment direction X, and the joint 7 for the horizontal furring strip of the girder 3 is provided with two round holes 7A for the horizontal furring strip aligned in the adjustment direction X.

[0024] As shown in Figures 1 and 3, the upper vertical furring strip joint 13 of the horizontal furring strip 1 and the lower horizontal furring strip joint 19 of the vertical furring strip 2 are bolted together with a first bolt 21 inserted through both the upper and lower long holes 13A and the lower horizontal furring strip round hole 19A. Although the position of the first bolt 21 in the round hole 19A for the lower horizontal furring strip cannot be adjusted in the vertical direction Z, the position where the first bolt 21 is inserted in the long hole 13A for the vertical direction can be adjusted in the vertical direction Z. Therefore, when the upper vertical furring strip joint 13 of the horizontal furring strip 1 and the lower horizontal furring strip joint 19 of the vertical furring strip 2 are bolted together, the position of the lower horizontal furring strip joint 19 of the vertical furring strip 2 (upper vertical furring strip 2A) can be adjusted in the vertical direction Z relative to the upper vertical furring strip joint 13 of the horizontal furring strip 1 by adjusting the position of the first bolt 21 in the long hole 13A for the vertical direction Z. Note that the upper vertical furring strip joint 13 of the horizontal furring strip 1 and the lower horizontal furring strip joint 19 of the vertical furring strip 2 are welded together by forming a weld 20 between the upper vertical furring strip joint 13 and the lower horizontal furring strip joint 19 in addition to the above-mentioned bolt joint.

[0025] The lower vertical furring strip joint 14 of the horizontal furring strip 1 and the upper horizontal furring strip joint 18 of the vertical furring strip 2 are bolted together with a second bolt 22 inserted through both the round hole 14A and the upper horizontal furring strip round hole 18A. For both round hole 14A and round hole 18A for the upper horizontal furring strip, the position of the second bolt 22 cannot be adjusted in the vertical direction Z. Therefore, when bolting together lower vertical furring strip joint 14 of horizontal furring strip 1 and upper horizontal furring strip joint 18 of vertical furring strip 2, the position of upper horizontal furring strip joint 18 of vertical furring strip 2 (lower vertical furring strip 2B) cannot be adjusted in the vertical direction Z relative to lower vertical furring strip joint 14 of horizontal furring strip 1.

[0026] The girder joint 12 of the horizontal furring strip 1 and the horizontal furring strip joint 7 of the girder 3 are bolted together with a third bolt 23 inserted through both the adjustment long hole 12A and the horizontal furring strip round hole 7A. Although the position of the third bolt 23 in the horizontal furring round hole 7A cannot be adjusted in the adjustment direction X, the position at which the third bolt 23 is inserted in the adjustment long hole 12A can be adjusted in the adjustment direction X. Therefore, when the girder joint 12 of the horizontal furring strip 1 and the horizontal furring joint 7 of the girder 3 are bolted together, by adjusting the position of the third bolt 23 in the adjustment long hole 12A in the adjustment direction X, it is possible to adjust the position of the horizontal furring joint 7 of the girder 3 in the adjustment direction X relative to the girder joint 12 of the horizontal furring strip 1. Note that the girder joint 12 of the horizontal furring strip 1 and the horizontal furring joint 7 of the girder 3 are not welded together.

[0027] As shown in Fig. 4, a horizontal furring strip 1 and multiple vertical furring strips 2 are assembled to form a furring strip unit 26. The example shown in Fig. 4 shows a furring strip unit 26 assembled from one horizontal furring strip 1 and three vertical furring strips 2 (lower vertical furring strips 2B). In the example shown in Fig. 4, the furring strip unit 26 includes multiple frame materials 29 fixed across two vertical furring strips 2 aligned in the width direction Y. When attaching the furring strip unit 26 thus assembled to the girder 3 , the girder joint 12 of the horizontal furring strip 1 in the furring strip unit 26 is joined to the horizontal furring strip joint 7 of the girder 3 . In addition, when attaching a furring strip unit 26 to the girder 3, if another furring strip unit 26 is already attached to the lower side Z2 of the position where the furring strip unit 26 is to be attached, the lower vertical furring strip joint 14 of the vertical furring strip 2 in the furring strip unit 26 to be attached is joined to the upper vertical furring strip joint 13 of the horizontal furring strip 1 in the already attached furring strip unit 26. In addition, when attaching a furring strip unit 26 to the girder 3, if another furring strip unit 26 is already attached above the position Z1 where the furring strip unit 26 is to be attached, the upper vertical furring strip joint 13 of the horizontal furring strip 1 in the furring strip unit 26 to be attached is joined to the lower horizontal furring strip joint 19 of the vertical furring strip 2 in the furring strip unit 26 already attached.

[0028] As shown in Figure 1, a bolt joint 27 that bolts the girder joint 12 of the horizontal furring strip 1 to the horizontal furring strip joint 7 of the girder 3 is embedded in a floor slab 28 constructed on the girder 3. The bolt joint 27 includes a portion located on the periphery of the long adjustment hole 12A in the girder joint 12 of the horizontal furring strip 1, a portion located on the periphery of the round horizontal furring strip hole 7A in the horizontal furring strip joint 7 of the girder 3, and a third bolt 23 for joining the girder joint 12 and the horizontal furring strip joint 7. In this embodiment, the bolt joint 27 is formed by the girder joint 12, the horizontal furring strip joint 7, the third bolt 23, and a nut 30 (see FIG. 2) screwed onto the third bolt 23, and the entire girder joint 12, the horizontal furring strip joint 7, the third bolt 23, and the nut 30 are each embedded in the floor slab 28.

[0029] When girder joint 12 of horizontal furring strip 1 is joined to horizontal furring strip joint 7 of girder 3, no floor slab 28 is constructed on girder 3, as shown in Fig. 3. After girder joint 12 of horizontal furring strip 1 is joined to horizontal furring strip joint 7 of girder 3, concrete is poured on girder 3 to construct floor slab 28, as shown in Fig. 1. By constructing floor slab 28 in this manner, bolt joint 27 is embedded in floor slab 28.

[0030] The horizontal furring strip 1 is disposed adjacent to the outer side X1 of the adjustment direction X with respect to the floor slab 28. Therefore, when concrete is poured onto the girder 3 to construct the floor slab 28, the horizontal furring strip 1 is located adjacent to the outer side X1 of the range in which the concrete is poured. Therefore, when pouring concrete, the horizontal furring strip 1 can be used as a formwork for the outer side X1, and there is no need to install a separate formwork on the outer side X1 of the range in which the concrete is poured, so that the amount of work required for erecting and dismantling the formwork when pouring the concrete can be reduced. The floor slab 28 is in contact with the horizontal furring strip 1, and the upper surface of the floor slab 28 is at the same height as the upper surface of the horizontal furring strip 1, and the lower surface of the floor slab 28 is at the same height as the lower surface of the horizontal furring strip 1.

[0031] [Another embodiment] Other embodiments of the present invention will be described below. Note that the configurations of the embodiments described below are not limited to being applied alone, but may also be applied in combination with the configurations of other embodiments.

[0032] (1) In the above embodiment, the configuration in which the girder joint 12 of the horizontal furring strip 1 and the horizontal furring strip joint 7 of the girder 3 are provided with the adjustment long hole 12A only in the girder joint 12 is illustrated. However, the present invention is not limited to such a configuration. For example, the girder joint 12 of the horizontal furring strip 1 and the horizontal furring strip joint 7 of the girder 3 may be provided with the adjustment long hole 12A only in the horizontal furring strip joint 7, or in both the girder joint 12 and the horizontal furring strip joint 7.

[0033] (2) In the above embodiment, the horizontal furring strip 1 has an upper vertical furring strip joint 13 and a lower vertical furring strip joint 14, and only the upper vertical furring strip joint 13 has a long vertical hole 13A in the vertical direction Z. However, the present invention is not limited to such a configuration. For example, the horizontal furring strip 1 may have an upper vertical hole 13A in only the lower vertical furring strip joint 14, or in both the upper vertical furring strip joint 13 and the lower vertical furring strip joint 14. In addition, both the upper vertical furring strip joint 13 and the lower vertical furring strip joint 14 of the horizontal furring strip 1 may have a round hole without a long hole in the vertical direction Z.

[0034] (3) In the above embodiment, the horizontal furring strip 1 is installed at a position adjacent to the outer side X1 of the floor slab 28, and the horizontal furring strip 1 also serves as a formwork when pouring concrete. However, the present invention is not limited to such a configuration. For example, the horizontal furring strip 1 may be installed at a position away from the outer side X1 of the floor slab 28, so that the horizontal furring strip 1 does not also serve as a formwork when pouring concrete.

[0035] (4) In the above embodiment, an example was described in which the horizontal furring strip 1 and multiple vertical furring strips 2 were assembled into a furring strip unit 26. However, the horizontal furring strip 1 and the vertical furring strips 2 may be attached separately to the girder 3 without being assembled into a single unit. [Explanation of symbols]

[0036] 1 Horizontal furring strip 2 Vertical furring strips 2A Upper vertical furring strip 2B Lower vertical furring strip 3 girder 12 Joint for girder 12A adjustment slot 13 Upper vertical furring strip joint 13A Upper and lower long holes 14 Lower vertical furring strip joint 14A round hole 26 Flange unit 27 Bolted joints 28 Floor slab X adjustment direction Outside of X1 Z up-down direction Upper side of Z1 Lower side of Z2

Claims

1. A furring strip mounting structure in which a vertical furring strip is attached to a girder via a horizontal furring strip, The vertical furring strips include an upper vertical furring strip that is above the horizontal furring strips and a lower vertical furring strip that is below the horizontal furring strips, The horizontal furring strips are provided with a girder joint portion joined to the girder, an upper vertical furring strip joint portion joined to the upper vertical furring strip, and a lower vertical furring strip joint portion joined to the lower vertical furring strip, The girder is provided with a horizontal furring strip joint that is joined to the girder joint of the horizontal furring strip, The direction in which the vertical furring strips and the girder are aligned in a plan view is the adjustment direction, and the side on which the vertical furring strips are present relative to the girder in the adjustment direction is the outer side, Either the girder joint of the horizontal furring strip or the girder joint of the horizontal furring strip is provided with an adjustment long hole that is long in the adjustment direction for bolting the girder joint to the horizontal furring strip joint so as to be adjustable in the adjustment direction, A bolt joint that bolts the girder joint of the horizontal furring strip and the horizontal furring strip joint of the girder is embedded in a floor slab constructed by pouring concrete on the girder, A furring strip mounting structure in which the horizontal furring strip is positioned in contact with the floor slab on the outside and in contact with the floor slab over the entire thickness of the floor slab.

2. The opposite side of the outer side in the adjustment direction is defined as the inner side, A direction perpendicular to the adjustment direction in a plan view is defined as a width direction, The horizontal furring strip joint is provided on the girder in a state where it protrudes upward from the upper surface of the girder, The girder joint is provided on the horizontal furring strip in a state where it protrudes inward from the inner surface of the horizontal furring strip, The furring strip mounting structure according to claim 1, wherein the bolt joint is configured to bolt the girder joint and the horizontal furring strip joint together in a state where they overlap in the width direction.

3. The upper vertical furring strip joint of the horizontal furring strip is provided with an up-down long hole that is long in the up-down direction for bolting to the upper vertical furring strip in an adjustable manner in the up-down direction, 3. The furring strip mounting structure according to claim 1 or 2, wherein the lower vertical furring strip joint of the horizontal furring strip is provided with a round hole for bolting to the lower vertical furring strip so that it cannot be adjusted in the vertical direction.

4. A method for constructing a furring strip mounting structure according to any one of claims 1 to 3, comprising: A method for constructing a furring strip mounting structure, in which when pouring concrete on the main girder to construct the floor slab, the horizontal furring strip is placed in an adjacent position outside the area where the concrete is poured and used for the outer formwork.

5. 5. A method for constructing a furring strip mounting structure according to claim 4, wherein the horizontal furring strip and a plurality of the vertical furring strips are assembled together to form a furring strip unit.

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