JP2019065640A - Jig tool and laminated beam structure and construction method of laminated beam structure - Google Patents

Abstract

To provide a jig tool and a laminated beam structure, and a construction method of a laminated beam structure which can realize excellent workability regardless of weight of a face material to be used.SOLUTION: A jig tool 14 is used for fixing an upper gradient beam and a lower gradient beam below the same in a state in which a face material is interposed in between. The jig tool 14 comprises a cylindrical portion 140, a plate-like portion 141 and hook portions 142 and 143. The plate-like portion 141 includes an inserted portion 141a into a cylinder inserted into a hollow portion 140a of the cylindrical portion 140. A hole portion 141b is provided in a part near a tip of the inserted portion 141a into a cylinder. Also, a hole portion 141c is provided in an opposite part to the inserted portion 141a into a cylinder in the plate-like portion 141. The hole portion 141b is used for fixation to the upper gradient beam, and the hole portion 141c is used for fixation to the lower gradient beam. The hook portions 142 and 143 are parts for temporarily receiving the face material in a state in which the jig tool 14 is fixed to the upper gradient beam.SELECTED DRAWING: Figure 4

Description

  The present invention relates to a jig and a laminated beam structure, and a method of installing a laminated structure.

  In a wooden building, when it sees from an indoor side, what is called a hut part of a so-called finish which a beam appears on a ceiling surface may be adopted. By showing and finishing the cabin part in this way, it is possible to equip the wooden building with high design.

  In Patent Document 1, a plurality of field edges (base materials) X arranged parallel to one another and a ceiling material (surface material) Y fixed to the plurality of field edges X so as to cover the lower side of the plurality of field edges X And a hollow decorative material 2 fixed below the ceiling material Y, and a laminated structure is disclosed.

  Moreover, in patent document 1, while maintaining the state which lifted the ceiling material Y from the downward direction, while fixing the ceiling material Y to the field edge (base material) X, the field edge (base material in the state which interposed the ceiling material Y) The construction method of fixing the base material 1 to X) is disclosed. Then, in the construction method disclosed in Patent Document 1, the cosmetic material 2 is fixed to the base material 1.

  In patent document 1, it is going to reduce the weight of the part below a face material by employ | adopting a hollow decorative beam as mentioned above, and try to implement | achieve the shed part of a finish revealed by simple structure.

JP 2003-293509 A

  By the way, in order to maintain the rigidity in the surface direction in the cabin, attempts have been made to use a highly rigid CLT (Cross Laminated Timber) plate as a face material instead of the conventionally used hammered beam. This CLT board is heavier in gravity than conventionally used gypsum board or plywood.

  When considering the case where such a CLT plate is used as a face material, there is room for improvement in the conventional structure including the structure disclosed in Patent Document 1 from the viewpoint of workability. That is, in the construction method disclosed in Patent Document 1, when using a CLT board as a ceiling material, the CLT board is fixed to the field edge while maintaining the CLT board lifted from below. It is not easy to work, and has problems with safety.

  The present invention has been made to solve the above problems, and a tool and a laminated beam structure capable of realizing excellent workability regardless of the weight of a face material used, and lamination. It aims at providing the construction method of a structure.

  A jig according to an aspect of the present invention fixes a first beam and a second beam below the first beam in a state in which a face material is sandwiched between the first beam and the second beam. A jig which is used to move the first beam fixing portion which is provided in a predetermined portion of the extending portion and which is used to fix the first beam. A second beam fixing portion provided below the portion where the first beam fixing portion is provided in the extending portion and used for fixing to the second beam; and the second beam fixing portion in the extending portion A hook portion extending in a direction intersecting with the extending direction in which the extending portion extends from a position spaced downward from the portion where the first beam fixing portion is provided by a predetermined distance, the predetermined distance being the first When the first beam is fixed to the beam fixing portion, the distance from the first beam fixing portion to the lower surface of the first beam and the front It has a distance larger than a value obtained by adding the thickness of the face material.

  In the jig according to the above aspect, since the first beam fixing portion and the second beam fixing portion are provided in the extending portion, the jig is used to fix the first beam and the second beam in a state in which the face material is sandwiched. be able to.

  Further, in the jig according to the above aspect, the predetermined distance defining the formation location of the hook portion is provided with the hook portion, the distance from the first beam fixing portion to the lower surface of the first beam, and Since the spacing is larger than the sum of the thickness dimension and the thickness dimension, when fixing the face material to the first beam, after fixing the tool to the first beam, the hook portion is temporarily received by the face material. It can be used as a part, and high workability can be realized even when using a heavy-weight face material. That is, at the time of construction using the tool according to the above aspect, at least a part of the weight of the surface material is fixed by fixing the tool to the first beam and hooking the end surface of the surface material to the hook of the tool Can be temporarily received by the hook portion, and the first beam and the face material can be fixed using a screw or a nail in the state of being temporarily received.

  In the above aspect, as described above, the predetermined interval defining the formation location of the hook portion is the sum of the distance from the first beam fixing portion to the lower surface of the first beam and the thickness dimension of the surface material. Since the distance is larger than the value, when the end face of the surface material is hooked on the hook of the jig, the end face can be easily inserted and high workability can be secured.

  In addition, even when the weight of the face material is light, it is possible to reduce the work of the worker supporting the face material from below, and in this respect, high construction efficiency can be realized.

  Therefore, in the tool according to the above aspect, excellent workability can be realized by using the tool regardless of the weight of the facing material used.

  The jig according to another aspect of the present invention is the above aspect, wherein the second beam fixing portion has the first beam fixed to the first beam fixing portion, and the second beam fixing portion has the second beam fixing portion. When the beam is fixed, the distance between the lower surface of the first beam and the upper surface of the second beam is provided in a portion that matches the thickness dimension of the surface material.

  In the jig according to the above aspect, when it is assumed that the first beam is fixed to the first beam fixing portion and the second beam is fixed to the second beam fixing portion, the lower surface of the first beam and the second in the tool Since the distance between the beam and the upper surface of the beam is matched to the thickness dimension of the face material, in the laminated beam structure composed of the first beam, the face material and the second beam constructed using the tool As well as ensuring high designability without creating gaps between each other, the size in the height direction can be kept small.

  The tool according to another aspect of the present invention is the above aspect, wherein the hooking portion is continuous with the main hooking portion extending in a direction orthogonal to the extending direction, and the main hooking portion And an inclined portion that inclines gradually away from the first beam fixing portion as the distance from the first beam fixing portion increases.

  In the jig according to the above aspect, since the hook portion is provided with the inclined portion, when hooking the end surface portion of the surface material to the hook portion, the end surface portion of the surface material is the hook portion and the lower surface of the first beam Easy to insert between. Therefore, by using the tool according to the above aspect, higher workability can be realized.

  A laminated beam structure according to an aspect of the present invention includes any one of the above jigs, a first beam fixed to the first beam fixing portion of the jig, and a second beam fixed to the jig. A second beam fixed to a portion, and a face material fixed to the first beam in a state of being disposed between the first beam and the second beam.

  In the laminated beam structure according to the above aspect, since the jigs according to the above aspects are used for fixing the first beam and the second beam in a state in which the face materials are disposed between each other, As described above, regardless of the weight of the face material used, construction can be performed with excellent workability.

  The laminated beam structure according to another aspect of the present invention is the above aspect, wherein the face material is between the lower surface of the first beam and the upper surface of the second beam in the extended portion of the jig. It is arranged to dodge the area.

  In the laminated beam structure according to the above aspect, since the face material is disposed to dodge the region in the tool, interference between the face material and the tool is avoided, and the first beam is adjacent in the longitudinal direction It is possible to avoid the occurrence of a gap between the face materials.

  In the laminated beam structure according to another aspect of the present invention, in the above aspect, the first beam is provided with a recess which allows the upper portion of the extension portion of the jig to be penetrated above the upper surface of the surface material. The second beam is provided with a recessed portion which allows a lower portion of the extension portion of the jig to be intruded below the lower surface of the face material.

  In the laminated beam structure according to the above aspect, the first beam is provided with a recess for allowing penetration of the upper portion of the extending portion in the tool, and the second beam is a recess for allowing the penetration of a lower portion of the extending portion in the tool Since it is provided, it can suppress that a crevice opens between each of the 1st beam and the face material, and the face material and the 2nd beam. Therefore, the dimension of the height direction of the said laminated beam structure can be restrained low, and high designability can be ensured.

  In the method of constructing a laminated beam structure according to an aspect of the present invention, the method of preparing two of the jigs described above, the step of installing a first beam, and the first beam, (1) fixing the two jigs at a predetermined pitch along the longitudinal direction of the beam; (2) fixing a surface material to the lower surface of the first beam; and installing a second beam on the lower surface of the surface material Fixing the second beam to the two jigs, and in the step of fixing the jig, the length of the surface material in the longitudinal direction of the first beam is adopted as the predetermined interval. And the step of fixing the face material, the end face portion on one side of the face material in the longitudinal direction of the first beam is placed on the upper surface of the hook portion of one of the two jigs. After the first sub-process to be hooked and the end face portion on the one side being hooked to the upper surface of the hook portion, the first beam After the second sub-step of rotating the end face portion on the other side of the face material in the longitudinal direction toward the lower surface of the first beam and after rotating the end face portion on the other side of the face material, The third sub member is made to slide the face material along the longitudinal direction of the first beam, and the other end face portion is hooked on the upper surface of the hook portion of the other one of the two jigs. It has a process and the 4th sub process of fixing the said surface material with respect to the said 1st beam in the state which hooked the both-ends surface part in the said surface material, respectively.

  In the construction method of the laminated beam structure according to the above aspect, two jigs having the same configuration as the above are used, and the step of fixing the face member has the first sub-step and the second sub-step. Therefore, the surface material can be fixed to the first beam in a state in which both end surface portions of the surface material are hooked on the two jigs.

  Therefore, in the construction method of the laminated beam structure according to the above aspect, since the facing material can be fixed to the first beam through the temporary receiving state as described above, it is excellent regardless of the weight of the facing material used. Construction can be realized.

  The construction method of a laminated beam structure according to another aspect of the present invention is the above aspect, and the corner portion of the face material is provided with a cutout portion having a rectangular shape in plan view corresponding to the hook portion. By providing the notches in the corner portions, the interference of the surface material with the extending portion in the jig is avoided between the first sub-step and the second sub-step.

  In this manner, by providing notches in the corners of the facing to avoid interference of the facing with the extension of the jig, it is easy to work in the sub-process in which the facing is hooked on the hook of the jig. The efficiency can be improved.

  In each of the above aspects, excellent workability can be realized regardless of the weight of the facing material used.

It is a model side view which shows schematic structure of the shed part which concerns on 1st Embodiment. It is a schematic cross section which shows the II-II cross section of FIG. It is a schematic cross section which shows the III-III cross section of FIG. It is a figure which shows the structure of a tool, Comprising: (a) is a model front view, (b) is a model top view, (c) is a model side view. It is a schematic cross section which shows the structure of a laminated beam structure. It is a schematic cross section which shows the upper gradient beam to which the tool was fixed. It is a model top view which shows a part of structure of a face material. It is a schematic cross section which shows the process of temporarily applying a face material to a tool. It is a model top view showing the process of temporarily putting a face material on a tool, and (a) is a model top view showing the state where the edge of the upper notch was temporarily hooked on the hook of the tool. (B) is a schematic plan view showing a state in which temporary attachment of the face material to the hooking parts of the two jigs is completed. It is a schematic cross section showing the process of fixing the lower gradient beam after fixing the face material to the upper gradient beam. It is a figure which shows the structure of the jig which concerns on 2nd Embodiment, Comprising: (a) is a model front view, (b) is a model top view, (c) is a model side view. It is a schematic cross section which shows the structure of the laminated beam structure which concerns on 2nd Embodiment.

  Hereinafter, embodiments of the present invention will be described with reference to the drawings. The form described below is an aspect of the present invention, and the present invention is not limited to the following form except for the essential configuration.

First Embodiment
1. Schematic Structure of Cabin 1 The schematic structure of the cabin 1 of the wooden building according to the present embodiment will be described with reference to FIGS. 1 and 2.

  As shown in FIG. 1, the cabin portion 1 according to the present embodiment includes two pillars 2 and 3, a purlin 4, an eaves girder 5, a laminated beam structure 6, a purlin 12, a rafter 13, Equipped with The two columns 2 and 3 are spaced apart from each other in the X direction. In the cabin portion 1 according to the present embodiment, the pillar 2 is higher than the pillar 3.

  The purlin 4 is assembled at the upper end of the column 2 so as to extend in the direction perpendicular to the paper surface. The eaves girder 5 is a direction perpendicular to the paper surface at the upper end of the column 3 and is constructed to be parallel to the plow wood 4.

  The laminated beam structure 6 has an upper gradient beam (corresponding to a first beam) 7, face materials 8, 9 and 10, and a lower gradient beam (corresponding to a second beam) 11. The upper gradient beam 7 is a structural beam for securing rigidity during the construction of the laminated beam structure 6, and is bridged between the plow wood 4 and the eaves girder 5 with a gradient. Although the detail about the fixed structure of the upper gradient beam 7 and the purlin 4 and the eaves girder 5 is abbreviate | omitted, it is made, for example via a metal fitting.

  The facings 8, 9, 10 are fixed to the lower side of the upper gradient beam 7 without any gap. The fixation of the upper gradient beam 7 and the facings 8, 9, 10 is made, for example, by screwing. In the present embodiment, a CLT (Cross Laminated Timber) plate is adopted as the facings 8, 9, 10.

  For this reason, in the cabin portion 1 according to the present embodiment, the arrangement of the joisting beams in the vicinity of the butt portions of the upper gradient beam 7 and the burl 4 and the eaves girder 5 is omitted.

  The lower gradient beam 11 is a beam exposed to the lower space in the cabin 1. The lower gradient beam 11 is fixed to the lower side of the face members 8, 9, 10 without a gap.

  In the cabin portion 1 according to the present embodiment, the height of the purlin 4 and the eaves girder 5 in the Z direction is that when the upper gradient beam 7, the surface materials 8, 9, 10, and the lower gradient beam 11 are stacked. It is higher than the dimension in the Z direction. As a result, the people on the lower side can be seen as if the lower slope beam 11 is assembled to the purlin 4 and the eaves girder 5.

  As shown in FIG. 2, when the upper gradient beam 7 and the lower gradient beam 11 are viewed from the Z direction, the lower gradient beam 11 is disposed at a position overlapping the upper gradient beam 7. And the butt point of each of the face materials 8, 9, and 10 in the Y direction is also arranged at the position where the upper gradient beam 7 and the lower gradient beam 11 overlap.

  Returning to FIG. 1, the purlin 12 is disposed at a position between the purlin 4 and the eaves girder 5 and extends in the direction perpendicular to the paper surface so as to be parallel to the vulture 4 and the eaves girder 5.

  As shown in FIG. 2, the pitch of the rafters 13 in the Y direction is set to be narrower than the pitch of the upper gradient beams 7 and the lower gradient beams 11.

2. Fixed Structure of Upper Gradient Beam 7 and Lower Gradient Beam 11 A fixed structure of the upper gradient beam 7 and the lower gradient beam 11 in the laminated beam structure 6 will be described with reference to FIG. FIG. 3 is a schematic cross-sectional view showing the III-III cross section of FIG.

  As shown in FIG. 3, the laminated beam structure 6 is provided with a jig 14 for fixing the upper gradient beam 7 and the lower gradient beam 11 in a state of sandwiching the face materials 8, 9, 10. In the laminated beam structure 6 according to this embodiment, a jig made of a metal material is adopted as the jig 14.

  As shown in FIG. 3, the upper gradient beam 7 is provided with a recess 7 a which allows an upper part of the tool 14 to enter, and the lower gradient beam 11 also has a lower part of the tool 14. There is provided a recess 11a which allows entry. By forming these recesses 7a and the recesses 11a, it is possible to suppress the formation of gaps between the upper gradient beam 7 and the surface members 8, 9, 10 and between the surface members 8, 9, 10 and the lower gradient beam 11. Be done. Thus, the size in the height direction (substantially Z direction) of the laminated beam structure 6 can be suppressed, and high designability can be realized.

3. Structure of tool 14 The structure of the tool 14 will be described with reference to FIG. (A) is a schematic front view, (b) is a schematic plan view, and (c) is a schematic side view. In FIGS. 4A and 4C, the upper side of the figure corresponds to the upper side of the laminated beam structure 6 (the side on which the upper gradient beam 7 is disposed), and the lower side of the figure is the lower side of the laminated beam structure 6 This corresponds to (the side on which the lower gradient beam 11 is disposed). In FIG. 4B, the front side in the drawing corresponds to the upper side of the laminated beam structure 6 (the side on which the upper gradient beam 7 is disposed).

  As shown in FIGS. 4 (a), (b) and (c), the jig 14 includes a cylindrical portion 140, a plate-like portion (corresponding to an extending portion) 141, and hooking portions 142 and 143. Have. The cylindrical portion 140 constitutes an upper portion of the jig 14, has a substantially cylindrical shape, and has a hollow portion 140 a inside.

  The plate-like portion 141 has an in-cylinder insertion portion 141 a partially inserted into the hollow portion 140 a of the cylindrical portion 140. As shown in FIG. 4A, a hole (corresponding to a first beam fixing portion) 141b is provided at the top of the in-cylinder insertion portion 141a. The hole portion 141 b is a through hole which penetrates the in-cylinder insertion portion 141 a in the plate thickness direction.

  In the cylindrical portion 140, holes 140b are provided on both sides of a position corresponding to the hole 141b of the in-cylinder insertion portion 141a. The hole 140 b is also a through hole that penetrates in the thickness direction of the cylindrical portion 140.

  As shown in FIGS. 4A and 4C, a hole (corresponding to a second beam fixing portion) 141c is provided in the lower portion of the plate-like portion 141 opposite to the portion where the hole 141b is provided. It is done. The hole 141 c is also a through hole penetrating in the plate thickness direction of the plate-like portion 141.

Here, as shown in FIG. 4C, the lower portion of the plate-like portion 131 is not a rectangle, and is in a state where a part is cut away (diagonal side portion 141 d). The inclination angle θ ₁₄₁ d of the oblique side 141 _d is substantially equal to the inclination angles (the inclination angles with respect to the horizontal line) of the upper gradient beam 7 and the lower gradient beam 11.

  The hooks 142 and 143 are provided at positions between the holes 141 b and the holes 141 c in the extending direction (vertical direction) of the plate-like portion 141, and as shown in FIG. A hooked portion 142 is provided on one side of the portion 141 sandwiching the portion 141 in the thickness direction, and a hooked portion 143 is provided on the other side. The hooking portion 142 and the hooking portion 143 are configured in a line-symmetrical relationship with the plate-like portion 141 interposed therebetween.

  As shown in FIG. 4C, the hooks 142 and 143 are formed in a fin shape so as to extend in a direction intersecting with the extending direction (vertical direction) of the plate-like portion 141. As shown in FIGS. 4 (b) and 4 (c), it has horizontal parts (corresponding to the book hook parts) 142a and 143a and inclined parts 142b and 143b. The horizontal portions 142a and 143a and the inclined portions 142b and 143b are continuous without any gap or step.

  As shown in FIGS. 4B and 4C, the horizontal portions 142a and 143a extend in a direction orthogonal to the extending direction (vertical direction) of the plate-like portion 141. The inclined portions 142b and 143b are inclined from the tip of the horizontal portions 142a and 143a to the side (downward) on which the lower gradient beam 11 is fixed.

4. Specific Fixed Structure of Upper Graded Beam 7 and Lower Graded Beam 11 and Tool 14 A specific fixed structure of upper graded beam 7 and lower graded beam 11 and tool 14 will be described with reference to FIG. FIG. 5 is a schematic cross-sectional view showing a specific fixing structure of the upper gradient beam 7 and the lower gradient beam 11 and the jig 14 in the laminated beam structure 6.

  As shown in FIG. 5, the upper gradient beam 7 is provided with a hole 7 b from the side surface portion in the Y direction. The hole 7b is provided in communication with the recess 7a, and is provided at a position communicating with the holes 140b and 141b of the tool 14 when the upper portion of the tool 14 is made to enter the recess 7a. ing.

  Similarly, the lower gradient beam 11 is provided with a hole 11 b from the side surface in the Y direction. The hole 11b is provided in communication with the recess 11a, and is provided at a position communicating with the hole 141c of the tool 14 when the lower portion of the tool 14 is made to enter the recess 11a. . In addition, the counterbore part 11c is provided in the exit part of the hole 11b.

  As shown in FIG. 5, in a state where the upper portion of the tool 14 is made to enter the recess 7a of the upper gradient beam 7, the retaining pin (corresponding to a pin) 15 is inserted into the hole 7b. The hooking pin 15 is inserted through the holes 140 b and 141 b of the jig 14. By the insertion of the locking pin 15, the upper gradient beam 7 and the jig 14 are fixed.

  Similarly, in a state in which the lower portion of the tool 14 intrudes into the recess 11 a of the upper gradient beam 7, the retaining pin (corresponding to a pin) 16 is inserted into the hole 11 b. The hooking pin 16 is inserted through the hole 141 c of the jig 14. By the insertion of the lock pin 16, the jig 14 and the lower gradient beam 11 are fixed.

  In addition, the plug member 17 is inserted in the counterbore part 11c. The plug member 17 is made of the same wood as the lower gradient beam 11, and is a member for making the hole 11b invisible from below.

  Here, as shown in FIG. 5, in the laminated beam structure 6, a gap is not formed between the upper gradient beam 7 and the surface material 9 and between the surface material 9 and the lower gradient beam 11. However, a gap is formed between the upper surfaces (hanging surfaces 142c and 143c) of the hooks 142 and 143 of the jig 14 and the lower surface 9a of the facing 9.

5. Construction Method of Laminated Beam Structure 6 The construction method of the laminated beam structure 6 will be described with reference to FIGS. 6 to 10. FIG. 6, FIG. 8, and FIG. 10 are schematic cross-sectional views showing the method of installing the laminated beam structure 6 in the order of steps. Moreover, FIG. 7 is a top view which shows a part of structure of the surface material 9, and FIG. 9 is a model top view which shows a part of process in construction of the laminated beam structure 6. As shown in FIG.

<< Preparation process of tool 14 >>
At least two tools 14 having the configuration shown in FIG. 4 are prepared.

<< Installation process of upper gradient beam 7 >>
As shown in FIG. 6, it installs in the state which bridge | crossed the upper gradient beam 7 which fixed several jigs 14 at intervals in the inclination direction between the purlin 4 and the eaves girder 5 (refer FIG. 1). Do. The installation of the upper gradient beam 7 to the purlin 4 and the eaves girder 5 is performed, for example, using a metal fitting fixed in advance to the vulture 4 and the eaves girder 5.

  The upper gradient beam 7 is provided with a recess 7 a in advance. Further, as described with reference to FIG. 5, the hole 7b is also provided. Then, a part of the cylindrical portion 140 of the jig 14 is inserted into each recess 7a, and the hooking pin 15 (not shown in FIG. 6) is inserted into the hole 7b, and the holes 140b and 141b (figure In 6, the jig 14 is fixed to the upper inclined beam 7 by inserting the holes 141b.

Here, as shown in FIG. 6, the fixing of the tool 14 to the upper gradient beam 7 is performed such that the inclined portion 142 b of the tool 14 faces the lower side of the inclined rear. The gap between the lower surface of the upper gradient beam 7 and the horizontal portions 142a and 143a (the horizontal portion 143a is not shown in FIG. 6) is equal to or greater than the thickness of the face material 8.9.10. In other words, in a state where the tool 14 is fixed to the upper gradient beam 7, the distance from the hole 140 b which is the fixed portion of the upper gradient beam 7 to the hook 142 is the distance from the hole 140 b to the lower surface of the upper fixed beam 7. the distance x _1, the distance x ₂ from the lower surface of the upper slope beam 7 to the hook 142, has a value obtained by adding. The distance x ₂ is larger than the thickness dimension of the facings 8, 9, 10. Thereby, the workability at the time of inserting the below-mentioned face material 8, 9, 10 improves.

  In the present embodiment, the upper gradient beam 7 is installed in the state where the tool 14 is fixed first, but the tool 14 may be fixed after the upper gradient beam 7 is installed.

<< Process of preparing facing materials 8, 9 and 10 >>
As shown in FIG. 7, notches 9 b and 9 c are provided in advance at the corners of the face material 9. The upper notch 9b to be arranged at the upper side in the inclination direction has a notch length L _9b in the X direction that is larger than the notch length L _9c of the lower notch 9c to be arranged downward It is set long.

  In the face material 9, the lateral end face portion 9d is a face portion disposed on the side orthogonal to the inclination direction and a portion around the face portion, and the upper end face portion 9e is disposed on the side of the face material 10. The lower end surface 9f is a surface portion disposed on the side of the face material 8 and a peripheral portion thereof. Specifically, the upper end face 9e includes the edge of the upper notch 9b, and the lower end face 9f includes the edge of the lower notch 9c.

<< Step of fixing face material 9 to upper slope beam 7 >>
(I) Sub-process in which the upper end face 9 of the face material 9 is hooked to the hooks 142 and 143 of the jig 14 As shown in FIG. 8, the upper end face 9 of the face material 9 obliquely from below with respect to the upper gradient beam 7. Is lifted, and the edge of the upper notch 9 b of the face material 9 is hooked on the inclined portion 142 b of the jig 14 located on the upper side in the inclined direction. In FIG. 8, only the state in which the surface material 9 is hooked on the inclined portion 142b of the jig 14 is illustrated, but the jig installed adjacent to the Y direction (the direction perpendicular to the sheet of FIG. 8) is illustrated. The hooking of the facing 9 to the inclined portion 143b of the tool 14 is performed in the same manner.

  Then, the upper end face 9e of the face material 9 is inserted into the jig 14 positioned on the upper side in the inclination direction to the back in the longitudinal direction of the upper notch 9b.

(Ii) Sub-step of lifting lower end face 9f of facing 9 toward upper slope beam 7 From the state shown in FIG. 8, the operator lifts lower end 9f of facing 9 upward. Thus, the face material 9 pivots about the upper end face 9e or its vicinity as a fulcrum. As shown in FIG. 9A, in the construction method according to the present embodiment, since the notches 9b and 9c are provided at the corners of the face material 9, the lower end face 9f of the face material 9 is inclined. The lower end surface 9 f of the face material 9 can be lifted until it abuts on the upper slope beam 7 without interfering with the horizontal portion 142 a of the jig 14 positioned on the lower side in the direction.

(Iii) Sub-process in which the surface material 9 is slidingly moved downward in the inclination direction As shown in FIG. 9B, the surface material 9 is slidingly moved downward in the inclination direction along the length of the upper gradient beam 7. As a result, the edge of the upper notch 9b in the face material 9 and the edge of the lower notch are hooked on the upper surface of the horizontal portion 142a of the jig 14 respectively.

  Here, in the case where the facings 8, 9, 10 are fixed to the upper gradient beam 7 in the construction of the shed 1, the upper facings 9, 10 are sequentially provided from the facing down 8 in the direction of inclination. Fix in order. In order to perform such construction, as shown in FIG. 9B, when hooking the facing 9 to the horizontal portion 142a of the jig 14, the end face of the lower end face 9f of the facing 9 is a face 8 It can carry out in the state where it was made to abut on the end face of the upper end face part. The face material 10 can also be applied in the same manner.

  Although only the state in which the surface material 9 is hooked on the upper surface of the horizontal portion 142a of the jig 14 is also illustrated in FIG. 9 (b), the horizontal portion of the jig 14 installed adjacent to the Y direction is illustrated. Hooking the facing 9 to the upper surface of the 143a is also performed in the same manner.

(Iv) Fixing of the surface members 8, 9, 10 to the upper gradient beam 7 From the state described with reference to FIG. 9 (b), the operator fixes the surface members 8, 9, 10 to the upper gradient beam 7. Fixing of the facings 8, 9, 10 is made, for example, by screwing.

  In addition, about fixation of the surface materials 8 and 10 with respect to the upper gradient beam 7, it is good also as performing through a temporary receiving state as shown by FIG. 9 (a), (b), and not via a temporary receiving state. It may be done to

«Fixing process of lower slope beam 11 to jig 14»
As shown in FIG. 10, the lower gradient beam 11 in which the recess 11a is provided in advance is lifted to make a state in which there is substantially no gap with the surface members 8, 9, 10. Then, as described with reference to FIG. 5, the retaining pin 16 is inserted into the hole 11b so that the hole 141c is inserted. Thereby, the fixation of the lower gradient beam 11 to the jig 14, in other words, the fixation of the lower gradient beam 11 to the upper gradient beam 7 and the facings 8, 9, 10 is performed.

  Here, when the lower gradient beam 11 is lifted, it is performed in the direction along the Z direction. As a result, the jig 14 can be inserted in the vertical direction into the recess 11a, and the burden on the operator can be reduced. In the jig 14 according to the present embodiment, the oblique side 141 d of the plate-like portion 141 is provided in order to avoid interference with the upper edge of the recess 11 a when the lower gradient beam 11 is lifted.

  In addition, although illustration is abbreviate | omitted in FIG. 10, the lamination | stacking beam structure 6 is completed by finally inserting the plug member 17 in the counterbore part 11c.

6. In the jig 14 of the laminated beam structure 6 according to the present embodiment, the hole (first beam fixing portion) 141 b and the hole (second beam fixing portion) 141 c are plate-like portions (extension portions) Since it is provided at 141, it can be used for fixing the upper gradient beam (first beam) 7 and the lower gradient beam (second beam) 11 in a state in which the face material 9 is sandwiched.

Further, the jigs 14 laminated beam structure 6 according to the present embodiment comprises, along with and a hook 142 and 143, as explained referring to FIG. 6, the distance x ₂ is the surface material 8 and 9, Since the distance from the holes 140 b and 141 b to the location where the hooks 142 and 143 are formed is defined so as to be larger than the thickness dimension of 10, the face material 8 is used for the upper gradient beam 7 which is the first beam. , 9, 10, after the jig 14 is fixed to the upper gradient beam 7, the hooks 142, 143 can be used as temporary receiving parts of the facings 8, 9, 10, and the weight is heavy. Even in the case of using the facings 8, 9, 10, high workability can be realized.

  That is, at the time of construction using the tool 14 according to the present embodiment, the tool 14 is fixed to the upper gradient beam 7 at the upper and lower sides in the inclination direction with respect to the upper gradient beam 7. By hooking the facings 8, 9, 10 and the end face portions 9e, 9f to the respective hooks 142, 143, at least a part of the weight of the facings 8, 9, 10 can be temporarily received by the hooks, The upper gradient beam 7 and the facings 8, 9, 10 can be fixed using screws or nails in a temporarily received state.

  Further, in the present embodiment, since the formation locations of the hooks 142 and 143 in the tool 14 are defined by the dimensional relationship as described above, a face material is provided to the hooks 142 and 143 of the jig 14. When hooking the end face portion 9e of 8, 9, 10, the end face portion 9e can be easily inserted, and high workability can be secured.

  In addition, even when the weight of the facings 8, 9, 10 is light, it is possible to reduce the work of the operator to support the facing from below, and in this respect, high construction efficiency is realized. be able to.

  Therefore, in the jig 14 included in the laminated beam structure 6 according to the present embodiment, excellent workability is realized by using the jig 14 regardless of the weights of the facings 8, 9, 10 used. be able to.

  Further, in the laminated beam structure 6 according to the present embodiment, as described with reference to FIG. 5, between the upper gradient beam 7 and the facings 8, 9 and 10, and between the facings 8, 9 and 10 and the lower inclination Since the holes 141b and 141c and the hooks 142 and 143 of the jig 14 are provided so that a gap does not occur between the beam 11 and the design tool, high designability can be ensured and waste in the height direction Space can be eliminated.

  In the jig 14 included in the laminated beam structure 6 according to the present embodiment, since the inclined portions 142 b and 143 b are provided in the hooks 142 and 143, the upper end surface of the surface material 9 with respect to the hooks 142 and 143 When hooking the part 9e, the upper end face 9e of the face material 9 can be easily inserted between the hooks 142 and 143 and the lower surface of the upper gradient beam (first beam) 7. Therefore, in the construction of the laminated structure 6 according to the present embodiment, by using the jig 14, it is possible to realize a higher construction property.

  In the laminated beam structure 6 according to the present embodiment, since the jig 14 is fixed to the upper gradient beam 7 with a simple structure in which the retaining pin 15 is inserted through the hole portion 141 b, the structure is complicated. It is not necessary to adopt the structure, and the manufacturing cost can be reduced.

  Similarly, in the laminated beam structure 6 according to the present embodiment, the lower gradient beam 11 is fixed to the jig 14 with a simple structure in which the retaining pin 16 is inserted through the hole portion 141c. The complicated structure may not be adopted, and the manufacturing cost can be reduced.

  In the laminated beam structure 6 according to the present embodiment, the upper gradient beam (first beam) 7 is provided with the recess 7a which allows the cylindrical portion 140 of the jig 14 and part of the in-cylinder insertion portion 141a to enter. The sloped beam (second beam) 11 is provided with a recess 11a which allows a part of the plate-like portion 141 of the tool 14 to enter, so the upper sloped beam 7 and the face members 8, 9, 10, and the face member It is possible to suppress the formation of a gap between each of 8, 9, 10 and the lower gradient beam (second beam) 11. Therefore, the dimension of the height direction of the said laminated beam structure 6 can be restrained low, and high designability can be ensured.

  In the construction method of the laminated beam structure 6 according to the present embodiment, the upper gradient beam 7 is temporarily received with the face materials 8, 9 and 10 using the jig 14 so that the work while reducing the burden on the operator Can be made possible.

  Further, in the construction method of the laminated beam structure 6 according to the present embodiment, by providing the notches 9 b and 9 c at the corners of the face material 9, the face material 9 is hooked on the hooks 142 and 143 of the jig 14. In this case, the work can be facilitated, and the efficiency can be improved.

Second Embodiment
The configuration of the laminated beam structure according to the second embodiment will be described with reference to FIGS. 11 and 12. FIG. 11 is a schematic front view of the jig 34 included in the laminated beam structure 26 according to the second embodiment (a), (b) is a schematic plan view thereof, and (c) is a schematic side view thereof FIG. FIG. 12 is a schematic cross-sectional view showing the structure of the laminated beam structure 26. As shown in FIG.

1. Structure of tool 34 As shown in FIGS. 11 (a), (b) and (c), the tool 34 according to the present embodiment is composed of a columnar portion (extension portion) 340 and a hook portion 341. There is. The columnar portion 340 has a substantially cylindrical shape, and a hole (a first beam fixing portion) 340a penetrating in the radial direction is provided at the upper portion.

  Further, the columnar portion 340 has a screw hole (second beam fixing portion) 340b extending in the longitudinal direction from the lower surface of the columnar portion 340 to the lower portion of the hole 340a in the longitudinal direction.

  The hook portion 341 is joined to the lower end portion of the columnar portion 340, and has a disk shape having a diameter larger than that of the columnar portion 340. The upper surface of the hook portion 341 is a hook surface 341 c for hooking the face material.

  The distance from the hole 340a according to the present embodiment to the upper surface of the hooking portion 341 is the same as the jig 14 according to the first embodiment when the upper gradient beam 7 is fixed to the hole 340a. The distance from the hole 340 a to the lower surface of the upper gradient beam 7 is larger than the sum of the thickness dimensions of the face materials 8, 9 and 10.

2. Structure of Laminated Beam Structure 26 As shown in FIG. 12, the laminated beam structure 26 according to the present embodiment includes the upper gradient beam 7, the face materials 8, 9 and 10 (in FIG. 12, only the face material 9 Lower beam 31 and a tool 34. In addition, the laminated beam structure 26 includes a locking pin 15, a bolt 36, a washer 38, and a plug member 37.

  The upper gradient beam 7, the surface members 8, 9, 10, and the hooking pin 15 have the same configuration as that of the first embodiment, and thus the description thereof will not be repeated.

  As shown in FIG. 12, the lower gradient beam 31 is provided with a hole 31a from the lower end face in the Z direction. The hole 31a is provided in communication with the upper counterbore (recess) 31b provided at the top. Moreover, the lower side counterbore part 31c is provided in the lower part of the hole 31a. The cross-sectional diameter of the hole 31a is equal to or greater than the cross-sectional diameter of the bolt 36, and the cross-sectional diameter of the lower counterbore portion 31c is equal to or greater than the cross-sectional diameter of the head of the bolt 36.

  The bolt 36 is inserted from the lower counterbore portion 31 c of the lower gradient beam 31, and the screw portion 36 a at the tip is screwed to the screw hole 340 b of the jig 34. In addition, the washer 38 is inserted in the screwing of the bolt 36.

  Here, as shown in FIG. 12, a gap is open between the hooked surface 341 c of the jig 34 and the lower surface 9 a of the face material 9. In order to secure good workability when the face material 9 is temporarily received with respect to the upper gradient beam 7 in the construction of the laminated beam structure 26 in the same manner as the first embodiment. It is provided.

  The plug member 37 is fitted into the lower counterbore portion 31c so that the lower counterbore portion 31c, the head of the bolt 36 and the like can not be seen from below. In addition, the plug member 37 is formed using the same wood as the lower gradient beam 31 in the same manner as the plug member 17.

  Also in the laminated beam structure 26 according to the present embodiment, when the face members 8, 9, 10 are fixed to the upper gradient beam 7 by using the jig 34 having the hook portion 341, the face members 8, 9, 4, 10 can be temporarily received on the upper gradient beam 7, and excellent workability can be realized regardless of the weight of the face material used.

  Further, in the present embodiment, as described with reference to FIG. 12, the bolt 36 inserted from the lower part of the lower gradient beam 31 is screwed into the screw hole 340 b of the jig 34 for fixing the lower gradient beam 31 to the tool 34. Since it is made to make it possible, high workability can be secured. Specifically, the worker fixes the lower gradient beam 31 to the jig 34 by the same upward operation as fixing the facings 8, 9 and 10 to the upper gradient beam 7. Therefore, the efficiency is high. Work is possible.

[Modification]
In the first embodiment and the second embodiment, the laminated beam structures 6 and 26 applied to the cabin portion 1 are taken as an example, but the present invention is not limited to this. For example, it is also possible to apply the laminated beam structure of the present invention to a ceiling where the beams are laid horizontally.

  The constituent materials of the jig 14 according to the first embodiment and the jig 34 according to the second embodiment are not particularly limited as long as they can satisfy the strength and cost. For example, steel materials or reinforced resins can be used.

  In the first embodiment and the second embodiment, the notches 9b and 9c are provided at the corners of the face material 9 included in the configuration, but the present invention is not limited to this. . It is good also as not providing a notch in a corner.

  In the first embodiment and the second embodiment, a high rigidity CLT plate is adopted as the facings 8, 9, 10, but the present invention is not limited to this. Various other materials can be used as the facing, for example, concrete panels, gypsum boards, etc. can also be used.

  In the first embodiment and the second embodiment, the locking pin 15 is used to fix the jigs 14 and 34 to the upper gradient beam 7, but the present invention is not limited to this. . For example, they may be fixed by bolts, screws or nails.

  Although FIG. 1 and FIG. 2 showed the shed part 1 which is the space above the facings 8, 9, 10, the present invention is not limited to this. For example, a heat insulating material, a soundproof material or the like may be placed on the facing materials 8, 9, 10.

  Although the jig 34 according to the second embodiment adopts a configuration in which the hooking portion 341 has a circular shape in a plan view, the present invention is not limited to this. For example, a hooked portion having a polygon such as a quadrangle or a hexagon in plan view can be adopted.

  In the second embodiment, although the jig 34 in which the columnar portion 340 and the hook portion 341 are joined is adopted, the present invention is not limited to this. For example, it is also possible to adopt a jig in which the columnar portion and the hook portion are integrally formed. In this case, a jig having a desired shape can be manufactured by inserting a columnar member into a mold and performing press forming or the like.

1 cabin part 6, 26 laminated beam structure 7 upper gradient beam (first beam)
8 to 10 face material 11, 31 Lower gradient beam (second beam)
14, 34 Jig 141 plate-like part (extension part)
141b hole (first beam fixing portion)
141c hole (second beam fixing part)
142, 143 hooking part 142a, 143a horizontal part (head hooking part)
142b, 143b Inclined part 340 Columnar part (extension part)
340a hole (first beam fixing part)
340b Screw hole (2nd beam fixing part)

Claims (8)

In a jig used for fixing a first beam and a second beam below the first beam in a state in which a face material is sandwiched between the first beam and the second beam,
An extending portion extending in a predetermined extending direction;
A first beam fixing portion provided at a predetermined portion of the extending portion and used to fix the first beam;
A second beam fixing portion provided in a portion below the portion where the first beam fixing portion is provided in the extension portion, and used for fixing to the second beam;
A hook portion extending in a direction intersecting the extending direction in which the extension portion extends from a position spaced downward from the portion where the first beam fixing portion is provided in the extension portion by a predetermined distance;
Equipped with
When the first beam is fixed to the first beam fixing portion, the predetermined distance is calculated by adding the distance from the first beam fixing portion to the lower surface of the first beam and the thickness dimension of the surface material. The interval is larger than the combined value,
Jig. The tool according to claim 1, wherein
When the first beam is fixed to the first beam fixing portion and the second beam is fixed to the second beam fixing portion, the second beam fixing portion may include the lower surface of the first beam and the first beam fixing portion. (2) The distance between the upper surface of the beam and the thickness of the face material
Jig. A tool according to claim 1 or 2, wherein
The hooking portion is continuous with the hooking portion extending in a direction orthogonal to the extending direction and the hooking portion, and is inclined so as to be gradually separated from the first beam fixing portion as being away from the hooking portion And having a slope
Jig. The tool according to any one of claims 1 to 3;
A first beam fixed to the first beam fixing portion in the jig;
A second beam fixed to the second beam fixing portion in the jig;
A surface material fixed to the first beam in a state of being disposed between the first beam and the second beam;
Equipped with
Laminated beam structure. The laminated beam structure according to claim 4, wherein
The face material is disposed so as to cross an area between the lower surface of the first beam and the upper surface of the second beam in the extension portion of the jig.
Laminated beam structure. The laminated beam structure according to claim 4 or 5, wherein
The first beam is provided with a recess that allows the upper portion of the extension portion of the jig to be intruded above the upper surface of the surface material,
The second beam is provided with a recess which allows the lower part of the extension part of the jig to enter below the lower surface of the surface material.
Laminated beam structure. Providing two tools according to any of claims 1 to 3;
Installing the first beam;
Fixing the two jigs at a predetermined pitch along the longitudinal direction of the first beam to the first beam;
Fixing a face material to the lower surface of the first beam;
Installing a second beam on the lower surface of the face material and securing the second beam to the two jigs;
Equipped with
In the step of fixing the jig, the length of the surface material in the longitudinal direction of the first beam is adopted as the predetermined interval,
In the process of fixing the facing material,
A first sub-step of hooking an end face on one side of the surface member in a longitudinal direction of the first beam to an upper surface of the hook in one of the two jigs;
After hooking the end surface portion on one side to the upper surface of the hook portion, rotating the end surface portion on the other side of the surface material in the longitudinal direction of the first beam toward the lower surface of the first beam 2 sub-steps,
After rotating the end face portion on the other side of the face material, the face material is slid along the longitudinal direction of the first beam, and the end face portion on the other side is the two jigs A third sub-step hooking on the upper surface of the hook in the other tool of the
A fourth sub-step of fixing the surface material to the first beam in a state in which both end surfaces of the surface material are hooked respectively;
Have
Construction method of laminated beam structure. It is a construction method of the lamination beam structure according to claim 7,
In a corner of the face material, a notch having a rectangular shape in plan view is provided corresponding to the hooking portion,
By providing the cutaway portion at the corner portion, the interference of the surface material with the extension portion of the tool is avoided between the first sub-step and the second sub-step.
Construction method of laminated beam structure.

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