JP2017014731A - Long member - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a long-size member, easily manufacturable, and capable of restraining a deformation quantity by a vertical load.SOLUTION: A long-size member comprises a pair of structural members (a plurality of structural members) 2 and 2 arranged in the axial direction and a joining member 3 joined to the respective end part vicinities of the structural members 2 and 2 adjacent in the axial direction, and an outer surface (one surface) of the joining member 3 and a second joining plate part 32 contacts in a surface with an undersurface of a second structural plate part 22 of the structural members 2. The structural members 2 comprise a joining tool 4 fixed to a floor joist receiving member (the other member) 5, joining the structural members 2 and the joining member 3 and fixing the structural member 2 and the joining member 3 to the floor joist receiving member 5.SELECTED DRAWING: Figure 1

Description

  The present invention relates to a long member obtained by joining a plurality of long structural members such as shaped steel in the axial direction.

For long members such as a purlin member that supports a roofing material and a joist member that supports a flooring material, lip groove steel or angle steel may be used. As such a long member, in order to suppress the amount of deformation, a member in which two lip groove steels or two angle steels are joined back to back to improve the strength is known (for example, Patent Document 1).
When a long member consists of a single member and is used as a continuous beam, the amount of deformation due to vertical load is reduced compared to the case where multiple structural members are joined in the axial direction and each structural member is used as a simple beam. can do.

JP 2000-54559 A

  However, a long member may not be arranged with a single member due to transportation conditions and manufacturing conditions. In such a case, a long member is manufactured by joining a plurality of structural members on site. Therefore, there is a demand for a long member that can be easily manufactured in the field and that can suppress a deformation amount due to a vertical load.

  Therefore, an object of the present invention is to provide a long member that can be easily manufactured and that can suppress a deformation amount due to a vertical load.

  In order to achieve the above object, a long member according to the present invention includes a plurality of long structural members arranged in the axial direction, and a joining member joined to each of the vicinity of the ends of the structural members adjacent in the axial direction. The bonding member is characterized in that at least one surface is in surface contact with each of the structural members adjacent in the axial direction.

In the present invention, the joining member is joined to the vicinity of the ends of the structural members adjacent in the axial direction, and one surface of the joining member is in surface contact with each of the structural members adjacent in the axial direction. The vertical load acting on each of the structural members adjacent to each other can be efficiently transmitted to the joining member. And since a joining member bears a part of vertical load which acts on each structural member adjacent to an axial direction, the deformation amount of the elongate member by a vertical load can be suppressed.
Further, since the joining member is brought into surface contact with each of the structural members adjacent in the axial direction and joined, the positioning of the joining member and each of the adjacent structural members is facilitated, so that the joining member and the structural member are joined. This can be easily performed, and the long member can be easily manufactured.

It is preferable that the joining member is in surface contact with each of the structural members adjacent to each other in the axial direction from the lower side in the vertical direction.
By setting it as such a structure, the vertical load which acts on a structural member can be efficiently transmitted to a joining member.

Moreover, in the elongate member which concerns on this invention, the said structural member is being fixed to the other member, While fixing the said structural member and the said joining member to the said other member while joining the said structural member and the said joining member It is preferable to have a connecting tool.
By setting it as such a structure, manufacture of a long member and attachment to the other member of a long member can be performed simultaneously. Since the joining tool for joining the structural member and the joining member is the same as the joining tool for attaching the structural member to the other member, the number of joining tools can be reduced. When the joining tool is, for example, a bolt or the like, if the number is large, the long member and the finishing material may not be properly accommodated, but the present invention does not have such a fear.

Moreover, it is preferable that the long member according to the present invention includes a gap filling member that is provided in a gap between the structural member and the joining member and contacts the structural member and the joining member.
By adopting such a configuration, even when there is a gap between the structural member and the joining member, positioning of the structural member and the joining member is facilitated, so that the structural member and the joining member can be easily joined, The structural member and the joining member can be joined in a more stable state.

  According to this invention, while being able to manufacture easily, the deformation amount by a vertical load can be suppressed.

It is a front view of the elongate member by 1st Embodiment of this invention. 2 is a cross-sectional view taken along line AA in FIG. (A) is a figure which shows the bending moment which acts on the elongate member by 1st Embodiment, (b) is a figure which shows the bending moment which acts on the elongate member of one member. (A) is a figure which shows the amount of vertical deformation of the elongate member by 1st Embodiment, (b) is a figure which shows the amount of vertical deformation of the elongate member of one member. It is a figure which shows an example of the elongate member by 2nd Embodiment of this invention.

(First embodiment)
Hereinafter, the elongate member by embodiment of this invention is demonstrated based on FIG. 1 thru | or FIG.
As shown in FIGS. 1 and 2, the long member 1A according to the present embodiment includes a pair of structural members 2 and 2 arranged in the axial direction (the left-right direction in FIG. 1 and the direction perpendicular to the paper surface in FIG. 2), A joining member 3 joined in the vicinity of the ends 2a, 2a (see FIG. 1) of the structural members 2, 2 adjacent in the axial direction, and a joint 4 joining the pair of structural members 2, 2 and the joining member 3. , 4.

In the present embodiment, the pair of structural members 2 and 2 are long joist members, and are joined to joist receiving members (other members) 5 that can be supported by the beam members 7. The joist receiving member 5 is made of angle steel having a length extending in the vicinity of the ends 2a, 2a of the structural members 2, 2 adjacent in the axial direction. Here, the plate portion on one side of the substantially L-shaped bent portion 5a in the cross-sectional view of the joist receiving member 5 is the first joist receiving plate portion 51, and the other plate portion is the second joist receiving plate portion 52. And
In the joist receiving member 5, the first joist receiving plate portion 51 is located above the second joist receiving plate portion 52, the plate surface of the first joist receiving plate portion 51 is a vertical surface, and the plate surface of the second joist receiving plate portion 52. Is arranged in a direction that becomes a horizontal plane.
In the first joist receiving plate 51, two holes 51a, 51a into which the through bolts 41 of the connector 4 are inserted are formed at intervals in the axial direction.
The second joist receiving plate portion 52 is joined to the beam member 7 with the lower surface 52 b in contact with the upper surface 7 a of the beam member 7.

The pair of structural members 2 and 2 are each made of angle steel having the same cross-sectional shape. Here, a plate portion on one side of the substantially L-shaped bent portion 2 b in the cross-sectional view of the structural member 2 is a first structural plate portion 21, and a plate portion on the other side is a second structural plate portion 22.
In the structural member 2, the first structural plate portion 21 is located below the second structural plate portion 22, the plate surface of the first structural plate portion 21 is a vertical plane, and the plate surface of the second structural plate portion 22 is a horizontal plane. It is arranged in the direction. In the present embodiment, the pair of structural members 2 and 2 are arranged with a predetermined gap d1 (see FIG. 1) in the axial direction.

In the structural member 2, the outer surface 51 b (second joist receiving plate) of the first joist receiving plate portion 51 is the outer surface of the first structural plate portion 21 (the surface opposite to the side where the second structural plate portion 22 is continuous) 21 b. The portion 52 is fixed to the joist receiving member 5 in a state where it abuts on the surface opposite to the continuous side.
The first structural plate portion 21 includes a through bolt 41 of the connector 4 at a position overlapping the hole portion 51a of the first joist receiving plate portion 51 in the vicinity of the adjacent end portions 2a and 2a of the adjacent structural member 2. A hole 21a is formed through which is inserted.

The joining member 3 is composed of a square steel pipe having a length extending in the vicinity of the ends 2a and 2a of the pair of structural members 2 and 2 adjacent in the axial direction. The joining member 3 is formed to have a larger axial dimension than the joist receiving member 5. Here, the four plate portions corresponding to the four sides constituting the quadrangle in the sectional view of the bonding member 3 are referred to as first to fourth bonding plate portions 31 to 34.
The first to fourth joining plate portions 31 to 34 are arranged around the axis of the joining member 3 in this order, and the first joining plate portion 31 and the third joining plate portion 33 face each other, and the second joining plate. The part 32 and the fourth joining plate part 34 face each other. As for the joining member 3, the board surface of the 1st joining board part 31 and the 3rd joining board part 33 turns into a vertical surface, the board surface of the 2nd joining board part 32 and the 4th joining board part 34 turns into a horizontal surface, and the 2nd joining board The portion 32 is arranged in an orientation that is above the fourth joint plate portion 34.

As shown in FIG. 2, in the joining member 3, the outer surface 31 b of the first joining plate portion 31 faces the inner surface (the surface on the side where the second structure plate portion 22 is continuous) 21 c of the first structure plate portion 21. The outer surface 32 b of the second bonding plate portion 32 is bonded to the pair of structural members 2 and 2 in a state where the outer surface 32 b is in contact with the lower surface 22 b of the second structural plate portion 22.
In the first joint plate portion 31 and the third joint plate portion 33, through bolts 41 of the joint tool 4 are arranged at positions overlapping with the holes 21 a and 21 a of the first structural plate portions 21 adjacent to each other at the axial intermediate portion. Holes 31a and 31a to be inserted are respectively formed.

In the present embodiment, the fillet dimension inside the bent part 2b of the structural member 2 and the R dimension of the corner part of the outer periphery of the joining member 3 do not match, and the outer surface 32b of the second joining plate part 32 is the first. When contacting the lower surface 22 b of the two structural plate part 22, a gap d <b> 2 is formed between the outer surface 31 b of the first joining plate part 31 and the inner surface 21 c of the first structural plate part 21. Therefore, a gap filling washer (gap filling member) 6 having the same thickness as the gap d2 is provided in the gap d2.
The gap washer 6 may be bonded to either the inner surface 21c of the first structural plate portion 21 or the outer surface 31b of the first bonding plate portion 31, or may not be bonded to either.

The gap washer 6 is disposed at a position where the hole 6 a overlaps the hole 21 a of the first structure plate 21 and the hole 31 a of the first joint plate 31.
In the present embodiment, in the joining member 3, the outer surface 32 b of the second joining plate portion 32 comes into contact with the lower surface 22 b of the second structure plate portion 22, and the inner surface 21 b of the first structure plate portion 21 and the first joining plate portion 31. The gap washer 6 is interposed between the outer surface 31 b and the outer surface 31 b and is joined to the pair of structural members 2 and 2.

The joint 4 includes a hole 21 a of the first structural plate 21, a hole 6 a of the gap washer 6, a hole 31 a of the first joint plate 31, a hole 33 a of the third joint plate 33, and Provided between the through bolt 41 inserted through the hole 51 a of the first joist receiving plate portion 51, the nut 42 screwed into the through bolt 41, and the head of the bolt 41 and the third joint plate portion 33. And a washer 43.
The through bolt 41 has a leg portion having a hole portion 33a of the third joint plate portion 33, a hole portion 43a of the washer 43, a hole portion 31a of the first joint plate portion 31, the hole portion 6a of the gap filling washer 6, and the first structure. The holes 21 a of the plate 21 and the holes 51 a of the first joist receiving plate 51 are inserted in this order, and are screwed onto the nut 42 on the inner surface 51 c side of the first joist receiving plate 51.
Accordingly, the pair of structural members 2 and 2 are joined to each other via the joining member 3, and the pair of structural members 2 and 2 are fixed to the joist receiving member 5 together with the joining member 3.

In the long member 1A as described above, the bending moment and the vertical deformation when a vertical load was applied were analyzed. 3A shows the bending moment acting on the long member 1A of the present embodiment, and FIG. 3B shows the bending moment acting on the long member of one member. 4A shows the amount of vertical deformation of the long member 1A according to the present embodiment, and FIG. 4B shows the amount of vertical deformation of the long member of one member. In any case, fulcrum supporting the long member is arranged at both ends and substantially central portion of the long member in the axial direction (left and right direction in FIGS. 3A and 4A).
From FIG. 3, it can be seen that in the long member 1 </ b> A according to the present embodiment, the joining member 3 bears a bending moment acting in the vicinity of the ends 2 a and 2 a of the pair of structural members 2 and 2. FIG. 4 shows that in the long member 1A according to the present embodiment, the deformation amount due to the vertical load can be suppressed to be equal to that of the single long member.

Next, operations and effects of the long member 1A according to the first embodiment described above will be described with reference to the drawings.
In the long member 1 </ b> A according to the first embodiment described above, the joining member 3 is joined to the vicinity of the ends 2 a and 2 a of the pair of structural members 2 and 2 adjacent in the axial direction, and the second joining plate of the joining member 3. Since the outer surface 32b of the part 32 is in surface contact with the lower surface 22b of the second structural plate part 22 of each of the pair of structural members 2 and 2, a vertical load acting on the pair of structural members 2 and 2 is joined. It can be efficiently transmitted to the member 3. And since the joining member 3 bears a part of vertical load which acts on each of a pair of structural members 2 and 2, the deformation amount of the elongate member 1A by a vertical load can be suppressed.

Moreover, since the joining member 3 makes it easy to position the joining member 3 and each of the pair of structural members 2 and 2 by bringing them into surface contact with each of the pair of structural members 2 and 2, The pair of structural members 2 and 2 can be easily joined, and the long member 1A can be easily manufactured.
Moreover, in this embodiment, the fixed degree of the junction part of a pair of structural members 2 and 2 is securable by adjusting the axial direction length of the joining member 3, and the number and position of a volt | bolt. . Conventionally, the fixing degree and strength of the joint portion are ensured by welding and joining the structural members. However, in this embodiment, if the pair of structural members 2 and 2 are bolted to the joint member 3, the joints are joined. Since the fixing degree and strength of the portion can be ensured, the long member 1A can be easily manufactured as compared with the case where the pair of structural members 2 and 2 are joined by welding.

  Moreover, in this embodiment, since the structural member 2, the joining member 3, and the joist receiving member 5 are integrally joined by the same joining tool 4, joining of the structural member 2 and the joining member 3, Compared to the case of joining the joist receiving member 5 with another joining tool, the joining can be easily performed and the number of joining tools can be reduced. When there are many joining tools, the long member and the finishing material may be poorly accommodated, but in the present invention, there is no such concern.

  In the present embodiment, the gap filling washer 6 having the same thickness as the gap d2 is formed on the inner surface 21c of the first structural plate portion 21 of the structural member 2 and the outer surface 31b of the first bonding plate portion 31 of the bonding member 3 and the gap d2. Since the positioning of the structural member 2 and the joining member 3 is facilitated by being provided, the structural member 2 and the joining member 3 are easily joined, and the structural member 2 and the joining member 3 are more stable. Can be joined.

(Second Embodiment)
Next, the second embodiment will be described with reference to the accompanying drawings. However, the same or similar members and parts as those in the first embodiment are denoted by the same reference numerals, and the description thereof is omitted. Will be described.
As shown in FIG. 5, in the long member 1 </ b> B according to the second embodiment, the pair of structural members 102, 102 are lip groove steel instead of the angle steel of the structural member 2 (see FIG. 2) of the first embodiment. It is comprised, and the joining member 103 is comprised with the angle steel instead of the joining member 3 (refer FIG. 2) square steel pipe of 1st Embodiment.

  The structural member 102 is disposed in such a direction that the plate surfaces of the pair of flanges are horizontal surfaces and the plate surface of the web is a vertical surface. Here, the web of the structural member 102 is the first structural plate portion 121, the lower flange of the pair of flanges is the second structural plate portion 122, and the upper flange is the third structural plate portion 123. The first structural plate 121 is formed with a hole 121a through which the through bolt 141 of the connector 104 is inserted in the vicinity of the end on the adjacent structural member 102 side.

  The joining member 103 has a first joining plate portion 131 on the one side of the substantially L-shaped bent portion 103a in a cross-sectional view and a second joining plate portion 132 on the other side. The joining plate portion 131 is disposed above the second joining plate portion 132, the plate surface of the first joining plate portion 131 is a vertical surface, and the plate surface of the second joining plate portion 132 is a horizontal plane. In the first joining plate portion 131, two holes 131a and 131a into which the through bolts 141 of the joining tool 104 are inserted are formed in the middle portion in the axial direction with an interval in the axial direction.

  In the second embodiment, the joining member 103 is disposed between the joist receiving member 5 and the structural members 102 and 102. The bonding member 103 has an outer surface 131b (the surface opposite to the side where the second bonding plate portion 132 is continuous) 131b of the first joist receiving plate portion 51 of the joist receiving plate portion 105. The second bonding plate portion is in contact with the outer surface 51b, the inner surface 131c of the first bonding plate portion 131 (the surface on the side where the second bonding plate portion 132 is continuous) faces the outer surface 121b of the first structural plate portion 121 An upper surface 132 b of 132 faces the lower surface 122 b of the second structural plate portion 122.

In the second embodiment, the R dimension of the outer periphery of the corner portion of the first structural plate portion 121 and the second structural plate portion 122 of the structural member 102, the fillet dimension inside the bent portion 103a of the joining member 103, and Are not matched, and the upper surface 132b of the second bonding plate portion 132 contacts the lower surface 122b of the second structural plate portion 122, the inner surface 131c of the first bonding plate portion 131 and the outer surface 121b of the first structural plate portion 121. A gap d3 is formed between the two. Therefore, a gap filling washer (gap filling member) 106 having the same thickness as the gap d3 is provided in the gap d3.
The gap washer 106 may be bonded to either the inner surface 131c of the first bonding plate portion 131 and the outer surface 121b of the first structural plate portion 121, or may not be bonded to any of them.

In the second embodiment, the connector 4 includes the overlapping hole portion 121a of the first structural plate portion 121, the hole portion 106a of the gap filling washer 106, the hole portion 131a of the first bonding plate portion 131, and the first joist support plate. A through bolt 141 inserted through the hole 51 a of the portion 51, a nut 142 screwed into the through bolt 141, and a head of the through bolt 141 and the first structural plate portion 121 of the structural member 102. A washer 143.
The through bolt 141 includes a hole 143 a of the washer 143, a hole 121 a of the first structural plate 121, a hole 106 a of the gap filling washer 106, a hole 131 a of the first joint plate 131, and the first joist support plate 51. The holes 51a are inserted in this order, and are screwed into the nut 142 on the inner surface 51c side of the first joist support plate 51.
Accordingly, the pair of structural members 102 and 102 are joined to each other via the joining member 103, and the pair of structural members 102 and 102 are fixed to the joist support plate portion 105 together with the joining member 103.

  The long member 1B according to the second embodiment has the same effects as those of the first embodiment.

As mentioned above, although embodiment of the elongate member by this invention was described, this invention is not limited to said embodiment, In the range which does not deviate from the meaning, it can change suitably.
For example, in the above embodiment, the pair of structural members 2, 2 (102, 102) are joined in the axial direction by the joining member 3 (103), but three or more structural members 2, 2, 2,. , 102, 102...) Are joined in the axial direction, the structural members 2, 2 (102, 102) adjacent in the axial direction may be joined together by the joining member 3 (103).

Moreover, in said embodiment, although a pair of structural member 2,2 (102,102) is comprised with angle iron and lip groove shape steel, it replaces with angle iron and lip groove shape steel, H-section steel, etc. You may be comprised with other shape steel, a long steel plate, etc.
Moreover, in said embodiment, although the joining member 3 (103) is comprised by the square steel pipe or the angle steel, you may be comprised by other shape steels, such as a channel steel, and a long steel plate. .
Further, in the above-described embodiment, two joint tools 5 (105) are provided for one joint member 3 (103). However, the number of joint tools 5 (105) and the joint tools 5 (105) are different. The position to be provided may be set as appropriate.

In the above embodiment, the connector 4 joins the pair of structural members 2, 2 and the joint member 3 and fixes the structural members 2, 2 to the joist receiving member 5. A joint for joining 2 and the joint member 3 and a joint for fixing the structural members 2 and 2 to the joist receiving member 5 may be provided individually.
Further, in the above embodiment, the gap filling washer 6 (106) is provided between the structural members 2, 2 (102, 102) and the joining member 3 (103), but it may not be provided.

DESCRIPTION OF SYMBOLS 1A, 1B Long member 2,102 Structural member 2a End part 3,103 Joining member 4,104 Joining tool 5,105 Joist receiving member (other members)
6,106 Gap filling washer (gap filling material)
d2, d3 gap

Claims (4)

A plurality of long structural members arranged in the axial direction;
A joining member joined to each of the vicinity of the ends of the structural members adjacent in the axial direction,
The long member characterized in that the joining member is in surface contact with each of the structural members adjacent in the axial direction at least one surface.   2. The long member according to claim 1, wherein the joining member is in surface contact with each of the structural members adjacent to each other in the axial direction from the lower side in the vertical direction. The structural member is fixed to another member,
The elongate member according to claim 1, further comprising a joint that joins the structural member and the joining member and fixes the structural member and the joining member to the other member.   The elongated member according to any one of claims 1 to 3, further comprising a gap filling member that is provided in a gap between the structural member and the bonding member and contacts the structural member and the bonding member. Element.

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