JP2743241B2 - Joint structure of structural materials for assembled buildings - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a joint structure of structural materials for an assembled building constituting, for example, a deck, a terrace, a corner of a balcony, and the like.

[0002]

2. Description of the Related Art Conventionally, as a joining structure of this kind of structural material for an assembled building, for example, a structure disclosed in Japanese Utility Model Laid-Open No. 2-21201 is known. This gazette discloses a joint structure for joining both ends of a girder forming a corner of a balcony to the ends of left and right girder beams. An "L" -shaped joint fitting is laterally attached to each end of the girder and each girder beam, and one plate surface of this joint is bolted to the tip side of the girder, and Is bolted to the tip side of the girder, and the girder and the girder are joined to each other at a right angle. In this case, the assembly of this part
First, the two beams are attached to the outer wall of the building, and the girders are bolted to both ends. That is, the beam is lifted, and the joining metal fittings at both ends thereof are applied to the double girder beams. In this state, the joining metal fittings and the respective girder beams are aligned, and bolts are tightened from the outer portions of the respective girder beams. Fix with.

[0003]

In such a conventional joint structure of structural materials for an assembled building, when a girder is attached to both girder beams, the girder is applied to the girder beam, and then the girder is moved in the vertical and longitudinal directions. It is necessary to tighten the bolt while performing alignment. In other words, until the girder is temporarily fixed to the girder beam with bolts,
It is necessary for the operator to lift and hold the spar, and perform alignment in this state. For this reason, the work of bolting is likely to be unstable, and the work is inevitably performed by a plurality of workers, which is troublesome. Moreover, on balconies etc., work is often done from external scaffolds,
The work was cumbersome and dangerous.

[0004] The present invention has been made in view of such circumstances, and prior to the fixing work between the structural members, one of the structural members to be joined is placed on the other structural member in a positioned state. It is an object of the present invention to provide a joint structure of structural materials for an assembled building that can be assembled.

[0005]

In order to achieve the above object, the present invention provides a method for manufacturing a semiconductor device, comprising the steps of:
In a joining structure of a structural material for an assembled building joined via a joining member, the joining member includes a first joining portion to which a tip of a first structural material is fixed, and is fixed to a tip of a second structural material. A second joining portion having an upper joining piece and a lower joining piece projecting vertically from the joining member.
The structural material has, at its tip, an upper plate portion on which the upper joint piece abuts and is fixed from above, and a lower plate portion on which the lower joint piece abuts and fixes from the upper side. It is characterized in that it is formed smaller in plan view, and a cutout portion is formed in the upper plate portion so that the lower joining piece cannot be engaged from above and the upper joining piece can be engaged with the peripheral portion.

[0006] In this case, the joining member is formed of a mold having a rib portion extending vertically in the inside thereof, and the first and second joining members are formed.
It is preferable that the joining portion is fastened to the rib portion together with a screw while sandwiching the rib portion.

[0007]

The joint member is previously attached to the first structural member at the first joint portion, and in this state, the first structural member is applied so that the lower portion of the joint member comes into contact with the tip of the second structural member. Subsequently, the first structural member is lowered downward. When the first structural member is lowered to a position corresponding to the second structural member, the upper joint piece of the second joint of the joint member abuts on the upper plate portion of the second structural member and the lower part of the second joint member is positioned below the second joint member. The joining piece abuts against the lower plate of the second structural material, and is held such that the first structural material rests on the second structural material. In this state, the upper joint piece is fixed to the upper plate, and the lower joint piece is fixed to the lower plate.

As described above, the first structural member to which the joining member is attached is merely applied so that the lower portion of the joining member comes into contact with the second structural member. Positioning becomes possible, and when the first structural member is lowered downward so as to maintain this positioning state, the first structural member is held so as to rest on the second structural member, and positioning in the vertical direction is performed. Will be possible. In this state, the first structural member is held by the second structural member. In the subsequent fixing work, the operator does not need to hold the first structural member.
The fixing work can be performed only by fine adjustment of the position between the structural members.

On the other hand, the lower joint piece is formed smaller than the upper joint piece, and a cutout portion is formed in the upper plate so that the lower joint piece cannot be engaged from above and the upper joint piece can engage with the peripheral edge. Accordingly, when assembling the first structural member so as to be mounted on the second structural member, the first structural member can be lowered (dropped) down, and the lower joint piece of the joining member can be attached to the second structural member. By passing through the notch, the first and second structural members can be roughly positioned on the left and right.

In this case, the joining member is formed of a mold having a rib portion extending in the vertical direction therein, and the first and second joining portions are jointly fastened to the rib portion by screws with the rib portion sandwiched therebetween. This makes it possible to easily assemble the joining member to which the first and second joining portions are attached, and to reduce the number of parts of the joining member.

[0011]

BRIEF DESCRIPTION OF THE DRAWINGS FIG. 1 is an exploded perspective view showing a joint structure of a structural material for an assembled building according to the present invention applied to a deck attached to an existing terrace. FIG. 1 shows a deck 1 according to the present embodiment. The deck 1 is provided alongside an outer wall W of a building inside the left and right poles P, P of an existing terrace. On the deck 1, a girder 3 and a joist 4 are laid back and forth between a pair of left and right girder beams 2 and 2 extending forward from an outer wall W of the building, and a pulling bar 5 is laid in the middle. The rear side is supported by joists 4 and the front side is supported by a pair of right and left columns 6,6. The pulling bar 5 is supported by six bundle columns 7 arranged at predetermined intervals, and the lower end of the bundle column 7 is buried in the ground A. A large number of joists 8 are laid at equal intervals between the girders 3 and the joists 4, and deck materials 9 are laid on the joists 8.

As shown in FIGS. 2 and 3, the front ends of the left and right end beams (second structural members) 2, 2 and both ends of the girder (first structural member) 3 are joined at right angles at corners. I have. At each of the corners, a corner block 10 as a joining member is provided, and the girder 2 and the beam 3 are joined via the corner block 10.

The corner block 10 includes a block body 21 forming an outer shell of a corner portion, and a girder bracket 22 forming a connection portion (first connection portion) with the girder 3 and a connection portion between the girder 2 ( Bracket 2 for girder beam constituting second joint)
3 are mounted at right angles to each other. The block main body 21 is formed of a shape member in which the surface to which the girder 2 is joined and the surface to which the girder 3 is joined are open, and the inside of the block main body 21 forms an angle between the girder 2 and the girder 3. A rib 24 is formed along a diagonal line bisecting the bisecting line vertically.

On the other hand, the spar bracket 22 is formed by bending a plate material into a U-shape, and includes an intermediate plate portion 22a,
An upper joint piece 22b and a lower joint piece 22c extend outward from the upper and lower ends of the intermediate plate portion 22a at an angle of 45 degrees in the horizontal direction. Similarly, the girder bracket 23 is formed by bending a plate material into a U-shape, and extends outward at an angle of 45 degrees horizontally from the upper and lower ends of the intermediate plate portion 23a and the intermediate plate portion 23a. Upper joint piece 23b
And the lower joining piece 23c. The lower joining piece 23c of the bracket 23 for the girder beam is formed shorter than the upper joining piece 23b. The lower joint piece 23c cannot be engaged with the portion 44, and the upper joint piece 23b can be engaged with the rear edge.

The girder bracket 22 constructed as described above.
And the bracket 23 for the girder beam,
c, 23b, and 23c, the respective intermediate plate portions 22a, 23a
Then, the ribs 24 of the block main body 21 are butted against each other from both sides, and in this state, they are fastened together by the two block fixing bolts 25, 25.

The spar 3 is formed of a hollow extruded member, and a corner block 10 is fixed to each of the left and right ends. That is, both upper and lower rib portions 3 of the spar 3
The upper joint piece 22b and the lower joint piece 22c of the girder bracket 22 of the corner block 10 are respectively inserted between the first and second girder blocks 32. In this state, the two girder fixing bolts 33 from the upper side are used. Upper joining piece 2 is attached to upper rib 31
The lower joint piece 22c is fixed to the lower rib portion 32 of the lower rib 2b by two girder fixing bolts 33 from the lower side. As shown in FIG. 3, a deck material retainer 34 is attached to the upper part of the girder, and when the deck 1 is assembled, the upper two girder fixing bolts 33, 3 are provided.
3 is concealed in the girder 3 by the deck material retainer 34.

Similarly, the girder 2 is formed of a hollow extruded member, and a corner block 10 is fixed to each front end thereof. That is, the corner block 1 is attached to the upper and lower rib portions (upper and lower plate portions) 41 and 42 of the girder 2.
The upper joining piece 23b and the lower joining piece 23c of the No. 0 girder beam bracket 23 are laid on each other from the upper side, and in this state, one upper girder fixing bolt 43 from the upper side joins the upper rib section 41 to the upper rib section 41. The lower joining piece 23c is fixed to the lower rib portion 42 of the piece 23b by one girder fixing bolt 43 from below.

In this case, the upper rib 41 is provided with the lower joint piece 2.
A notch 44 somewhat longer and wider than 3c is formed,
When the corner block 10 is slid downward in a state where the lower portion of the corner block 10 abuts on the end of the girder 2, the lower joint piece 23 c passes through the notch 44,
The upper joint piece 23b rests on the upper rib 41 and the lower joint piece 23c rests on the lower rib 42. As shown in FIG. 3, similarly to the girder 3, a deck material retainer 45 is also attached to the upper part of the girder 2,
In a state where the deck 1 is assembled, the upper one wife fixing bolt 43 is concealed in the wife beam 2 by the deck material retainer 45. .

Here, a procedure for assembling the corner portion will be briefly described with reference to FIG. In this deck 1, in order to facilitate alignment, the girder beams 2, 2 are first incorporated, and the beam 3 is incorporated therein. First, the girder bracket 22 and the girder bracket 23 are attached to the block body 21 with the block fixing bolts 25, 25.
And assemble the corner block 10. Next, each corner block 10 is fixed to both ends of the beam 3 with beam fixing bolts 33, 33. In this state, the girder 3 to which the corner block 10 is attached is lifted, and the lower portions of both corner blocks 10 and 10 are abutted against the ends of the girder beams 2 to perform positioning in the front-rear direction. Lower it as you slide (drop it). At this time, the lower joining piece 23c of the bracket 23 for the girder beam passes through the notch 44 of the girder beam 2, the upper joining piece 23b abuts on the upper rib part 41, and the lower joining piece 23c becomes the lower rib part. At a position where it abuts on 42, the beam 3 is placed on the front end of the girder 2. With the girder 3 placed on the girder 2 in this way, fine adjustment of the positional relationship of each corner is performed, the girder fixing bolt 43 is attached, and this is temporarily tightened. continue,
The beam 3 is pressed against the girder 2 and the girder fixing bolt 43 is fully tightened. Thereafter, the assembling of the deck 1 is advanced, and finally, the deck retainers 34 and 45 of the girder 3 and the girder 2 are respectively incorporated.

As described above, according to this embodiment, the lower joint piece 23c is formed shorter than the upper joint piece 23b, and the lower joint piece 23c And the upper joint piece 23b is formed so as to be able to engage with the rear edge thereof, so that the spar 3 is only slid against the end beam 2 and slid downward, so that it can be moved in the front-rear direction prior to the bolting operation. The positioning is performed, and the beam 3 can be placed on the girder 2 (in this state, the positioning in the height direction is automatically performed). For this reason, it is not necessary for the operator to hold the girder in the subsequent positioning in the left-right direction and the bolting operation, and these operations can be performed easily and stably. Therefore, the work can be promptly performed by one worker, and the workability can be improved.

On the other hand, the girder bracket 22 and the girder beam bracket 23 are connected to the lower joining piece 23 of the girder bracket 23.
If only c is cut short afterwards, it can be manufactured with exactly the same member, and the manufacture of the corner block 10 becomes easy. Also,
The girder bracket 22 and the girder bracket 23 can be easily attached to the block main body 21 by co-fastening. Therefore, manufacture and assembly of the corner block 10 can be easily performed.

In the above embodiment, the joint structure of the corner portion of the deck using the corner block has been described. However, it is needless to say that the present invention can be applied to an assembly building other than the deck, such as a balcony, a flower box, and a terrace. Needless to say, the present invention can be applied to an intermediate portion of a structural material other than the corner portion. On the other hand, without using a joining member such as a corner block, a girder bracket (joining portion) may be directly attached to the girder (structural material), and the girder beam may be fixed to the tip side of the girder. Furthermore, in this embodiment, in the relationship between the upper joint piece and the lower joint piece, whether or not the notch is loosely inserted is adjusted by the difference in the length, but the structure in which the notch is formed When the material is wide, whether or not the notch is loosely inserted may be adjusted according to the difference in the width.

[0023]

As described above, according to the joint structure of the structural material for an assembled building of the present invention, the first structural material is placed on the second structural material before the first structural material is fixed to the second structural material. This eliminates the need to tighten the bolts while supporting and positioning the first structural member as in the related art, so that work can be easily performed by a single operator. In addition, since the operation of placing the first structural member on the second structural member enables vertical and vertical positioning, the positioning operation can be performed extremely easily. Therefore, a small number of people (small artificial)
As a result, the assembling work can be easily performed, and the overall man-hours can be reduced. In addition, since the first structural member is dropped from above into the second structural member, even when there is an obstacle near the front of the assembled building,
It has the effect that construction can be performed.

[Brief description of the drawings]

FIG. 1 is a structural view of a deck to which a joint structure of structural materials for an assembled building according to an embodiment of the present invention is applied.

FIG. 2 is an exploded perspective view of a corner portion of the embodiment.

FIG. 3 is a joining structure diagram showing a joining structure of a corner portion of the example.

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 1 deck 2 girder 3 girder 10 corner block 21 block main body 22 girder bracket 23 girder bracket 23b upper joint piece 23c lower joint piece 24 rib 25 block fixing bolt 41 upper rib part 42 lower rib part 44 notch

Claims (2)

(57) [Claims] 1. A joining structure for a structural material for an assembled building, wherein a tip of a first structural material (3) is joined to a tip of a second structural material (2) via a joining member (10). The member (10) includes a first joining portion (22) to which a tip of the first structural material (3) is fixed, and a second joining to be fixed to the tip of the second structural material (2). Part (23), wherein the second joint part (23) is provided with the joint member (10).
An upper joint piece (23b) and a lower joint piece (23c) projecting up and down from above, and the second structural material (2) is fixedly contacted with the upper joint piece (23b) at the tip end from above. An upper plate portion (41), and a lower plate portion (42) to which the lower joining piece (23c) is abutted and fixed from above, and the lower joining piece (23c) is attached to the upper joining piece (23b). ), The lower joint piece (23b) cannot be engaged with the upper plate portion (41) from above, and the upper joint piece (23) cannot be engaged.
b) is formed with a notch (44) that can be engaged with a peripheral edge thereof. 2. The joining member (10) is formed of a mold member having a vertically extending rib portion (24) therein, and the first and second joining portions (22, 23) are formed by the rib portion (22). The joint structure for a structural material for an assembled building according to claim 1, wherein the rib (24) is jointly fastened to the rib (24) with the screw (25) sandwiched therebetween.