JPH0860791A - Brace for tile section, tie beam tie connecting structure, and connecting metal thereof - Google Patents

Abstract

PURPOSE: To provide a connecting structure having no deformation problem of a connecting metal due to brace tension, facilitating the onsite execution, having good factory productivity of component members, and reducing the cost. CONSTITUTION: A vertical brace 3A, a vertical brace receiving strut 4, and horizontal braces 6A, 6B are connected to the tile section lower end via a tile section lower end connecting metal 7. The connecting metal 7 is provided with an erect piece 7a and a horizontal piece 7b connected together into an L-shape and a connecting piece 7c protruded on the inner face of the erect piece 7a, and the connecting metal 7 is fixed by a bolt while the back face of the connecting piece 7c is kept in contact with the lower end of a tile pillar 15. The lower end of the vertical brace 3A for connection to an intermediate roof truss and the lower end of the receiving strut 4 are overlapped on the connecting piece 7c of the connecting metal 7, and the members 3A, 4 are connected by a bolt 13. The end section of a tie beam tie 5 and the end sections of the horizontal braces 6A, 6B are overlapped, and these members are connected by a bolt 14.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a braced part in a sunk portion of a house or other steel-framed building, a land beam connecting structure, and a metal fitting.

[0002]

2. Description of the Related Art In a gable roof of a truss frame, FIG.
As shown in FIG. 3, the gabled pillar 41 and the mountain-shaped roof truss 42 separated from the inner pillar are connected to the land beam connection 43, vertical braces 49A and 49B, and horizontal braces 51A and 51.
It may be joined at B or the like. In such a rooftop structure, there is one in which the joint structure of the lower end 60 of the scabbard has the following structure. That is, the end portion of the land beam connection 43 is shown in FIG.
As shown in (B), an L-shaped first joint metal piece 45 welded in an extended state is bolted to the column base 47 of the stile column 41, and a T-shaped second joint is welded to the upper surface of the land beam joint 43. The lower end of the brace bundle 48 and the vertical brace 49A are bolted to the metal object 44. The first joining hardware 45 is
The standing piece 45 is joined to the pillar column base 47 with a bolt 46, and the ends of the horizontal braces 51A and 51B are joined to the horizontal piece 45a with a bolt 52. The brace bundle 48 and the vertical brace 49A are superposed on both sides of the standing piece 44b of the second joint metal piece 44 and are joined with the bolt 50.

[0003]

However, in the above structure, since the vertical brace 49A is joined to the end of the land beam joint 43, the land beam joint 43 is joined to the sill column 41 with respect to the first joint metal piece 45. As a result, the pulling force P of the vertical brace 49A acts as shown in FIG. 13, and the horizontal piece 45a of the first joint metal piece 45 may be deformed as shown in FIG. Further, since the two joining metal parts 44 and 45 are welded to the land beam joint 42, the machining work in the factory welding is complicated, and it takes time and cost. Further, there is a problem that the heat of welding causes expansion and contraction of the land beam connection 43.

It is an object of the present invention that there is no problem of deformation of a joint metal due to a brace tension, field construction is easy, factory productivity of components is good, and cost is reduced. The purpose of the invention is to provide a structure and its joint hardware.

[0005]

SUMMARY OF THE INVENTION The brace of the scabbard portion and the land beam joint connecting structure of the present invention is provided with a scabbard lower end joint metal fitting to be attached to a steel aggregate at the lower end of the scabbard portion, and this joint metal fitting is connected to the land beam joint and brace. By attaching a bundle, a vertical brace, and a horizontal brace, each member can be attached to the steel aggregate without connecting the land beam. The steel aggregate at the lower end of the sill part is a column base of the stilt column, an eaves girder, a stilt of a shed receiving column, or a box-shaped metal fitting forming these parts. It is assumed that the lower-end part of the joint part has an L-shaped standing piece and a horizontal piece, and a connecting piece along the vertical direction projects from the inner surface of the standing piece.
The back surface of the standing piece is brought into contact with the steel frame material, and the steel piece is attached by a bolt penetrating the standing piece. A bolt insertion hole is provided in each of the above-mentioned pieces of the lower end joint metal part of the somewhere. The lower end of the vertical brace and the lower end of the brace bundle are overlapped with the connecting piece of the lower end joint metal part of the some part, and these members are joined to each other by a bolt penetrating the connecting piece. The end portion of the land beam joint and the end portion of the horizontal brace are overlapped on the horizontal piece of the lower end jointed metal part of the somewhere, and these members are joined to each other by a bolt penetrating the horizontal piece. The vertical brace is for joining an intermediate roof truss distant from the end face to the lower end of the slab.

[0006]

[Advantage] According to this joining structure, the vertical brace, the brace bundle, and the horizontal brace are directly joined to the steel aggregate with the lower end joint hardware of the irrigation portion without passing through the land beam joint. Firm connections can be achieved without applying unreasonable loads to each part and the connection of land beams. For example, since the vertical brace is joined to the connecting piece that protrudes along the vertical direction on the inner surface of the standing piece of the bottom part of the joint part, the brace tension does not affect the other parts of the bottom part of the joint part, It can be tensioned with steel aggregate. Further, since the horizontal brace is also joined to the horizontal piece of the lower end joint metal article of some part, it is possible to receive the tension by the steel aggregate without exerting the influence of the brace tension on other portions of the joint metal article. The vertical brace and the brace bundle are bolted by stacking them on the same connecting piece of the lower end joint metal part of the sill part, and the land beam joint is also bolted to the horizontal piece of the lower end joint metal part of the scabbard part together with the horizontal brace. Is less and the workability is good. In addition, at the time of construction, if the metal fittings for joining the lower ends of the scabbard are previously joined to the steel aggregates such as the column bases of the stilts, the work of connecting the land beam can be easily performed later. Furthermore, since the metal fitting at the lower end of the scabbard is provided as a component independent of the land beam tie, welding of the joining piece or the like is not necessary for the land beam tie, and only hole drilling is required, resulting in good factory productivity. Also, it is easy to prepare land beam connections of various lengths, and cost can be reduced. Since the land beam connection does not require welding as described above, expansion and contraction due to welding heat can be avoided.

[0007]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENT An embodiment of the present invention will be described with reference to FIGS. The brace and land beam joint connecting structure of the scabbard portion of this embodiment is applied to the scabbard portion 1 in the roof truss structure of the truss structure shown in FIG. This hut is
The gabled shed part 35 is constructed of the hut grid columns, which are the Iraka pillars 15, the girder beams 36, and the shed receiving columns 37, and a plurality of intermediate roof trusses 2 are provided in parallel with the gabled part 35.
Is arranged and the master beam 38 and the main building 39 are bridged. Below the ridge, a land beam joint 5 is provided at the lower end between the sill pillar 15 and the intermediate roof truss 2 next to it, and the spider brace is connected via the brace bundles 4 and 19 (Fig. 6). A pair of so-called vertical braces 3A and 3B are stretched in a cross shape. The outer wall surface material 34 of the gabled surface is provided outside the gabled surface roof part 35. Also, the Tsumabaya hut part 35
A plurality of horizontal braces 6A and 6B are stretched in a cross shape between each of the columns 15 and 37 and the lower end of the adjacent intermediate roof truss 2. In the rooftop structure having this structure, the joint structure of the respective members at the lower end of the sill portion shown by the symbol A in the figure is constructed as shown in FIG.

In this joint structure at the lower end of the scabbard, as shown in FIG.
(A), (B), and (C) use the bottom metal fitting 7 of the slack part shown in the plan view, front view, and side view, respectively. The joining hardware 7 is a standing piece 7 that is bent and connected to each other in an L shape.
a and a horizontal piece 7b, and a connecting piece 7c is projected from the inner surface of the standing piece 7a along the vertical direction. The connecting piece 7c is made of a tapered trapezoidal side surface plate whose lower edge is an inclined side, and is welded to the standing piece 7a at the base end. Bolt insertion holes 8, 9, 10 are provided in the standing piece 7a, the horizontal piece 7b, and the connecting piece 7c of the lower-end joint metal 7 of the slag portion, respectively.
Is formed. The back of the standing piece 7a of the sill part lower end joining hardware 7 is the column base part 15 of the sill column 15 which is an iron frame material.
It is brought into contact with b and is joined to the column base portion 15b with a bolt 12 and a nut penetrating the standing piece 7a. The pillar column 15 is made of a rectangular steel tube, and the column base portion 15b is made of a box-shaped joint metal as described later.

As described above, the pair of vertical braces 3A and 3B are provided between the squid column 15 and the intermediate roof truss 2, and the upper end of the intermediate roof truss 2 is irrelevant among the vertical braces 3A and 3B. At the lower end of the vertical brace 3A that connects the lower end of the part 1, the battledore-shaped end plate part is
It is stacked on one surface of the connecting piece 7c of the lower-end joint metal fitting 7 of the somewhere. Further, the lower end of the brace bundle 4 arranged along the inner side of the pillar 15 is overlapped with the other surface of the connecting piece 7c, and the bolt 13 penetrating the connecting piece 7c is used to brace the lower end of these vertical braces 3A. The lower end of the bundle 4 is joined to the connecting piece 7c.

The land beam connection 5 for connecting the squid pillar 15 and the intermediate roof truss 2 is made of shaped steel such as upward lip channel steel, and one end thereof is superposed on the upper surface of the lateral piece 7b of the sill portion lower end joint metal 7. . Horizontal braces 6A, 6 on both sides of this hardware 7
In B, the end of the battledore shape is the bottom end of the wrought part 7
Is overlapped with the lower surface of the horizontal piece 7b and is joined to the horizontal piece 7b together with the land beam joint 5 by a bolt 14 penetrating the horizontal piece 7b. The upper end of the brace bundle 4 on the side of the squid part 1 is shown in FIG.
As shown in the side view and the plan view of (A) and (B), the metal fitting 1 is bolt-bonded to the column head portion 15a of the union column 15.
6 is stacked with the upper end of the vertical brace 3B having a battledore shape, and bolted. That is, this joining hardware 16
Has a standing piece 16a and a connecting piece 16b which are fixed to each other in a T-shape by welding or the like, the back surface of the standing piece 16a is brought into contact with the pillar head 15a, and the pillar head 15a is pierced by a bolt 17 penetrating the standing piece 16a. Mounted on. The upper end of the brace bundle 4 is superposed on one surface of the connecting piece 16b of the metal joint 16 and the upper end of the vertical brace 3B is superposed on the other surface of the connecting piece 16b. Is joined to the connecting piece 16b.

A vertical brace 3B at the lower end portion of the intermediate roof truss 2 shown by reference numeral B in FIG.
The land beam connecting members 5 and the like are joined as shown in FIG. That is, as shown in the plan view, side view, and front view in FIGS. 4 (A), (B), and (C), the truss side end of the land beam joint 5 is attached to the lower end of the intermediate roof truss 2 by welding. The connection plate 20 is overlapped with the connection plate 20 and is joined by a bolt 21 penetrating the connection plate 20. On the upper surface of the truss side end of the land beam connection 5,
As shown in the plan view and the side view in FIGS. 5A and 5B, the joining metal piece 22 is attached by welding with the lateral piece 22b. The joining metal piece 22 has a standing piece 22a and a horizontal piece 22b which are connected to each other in an L shape, and the standing piece 22a.
It has a connecting piece 22c protruding on the inner surface of the. The lower end of the vertical brace 3B is superposed on one surface of the connecting piece 22c of the joining piece 22, and the lower end of the brace bundle 19 is superposed on the other surface of the connecting piece 22c.
A lower end of the vertical brace 3B and a lower end of the brace bundle 19 are joined to the connecting piece 22c by a bolt 23 penetrating the 2c. As shown in FIG. 6, the upper ends of the truss-side brace bundle 19 and the vertical brace 3A are superposed on both sides of the connecting piece 24b of the T-shaped joint metal fitting 24 attached to the upper end of the intermediate roof truss 2, and the connecting piece 24b. It is joined by a bolt 25 penetrating through.

As shown in FIG. 8, the pillars 15 are
The lower end of the column base portion 15b is a box-shaped column base portion 15b, and the lower end joint metal fitting 5 is attached to the column base portion 15b. The box-shaped column base portion 15b has a box shape with one side open so that a hand or the like can be put inside during the screw tightening work, and a bolt insertion hole is formed in each surface in advance. The upper end of the grid pillar 26 on the lower floor for receiving the pillars 15 is a box-shaped pillar head 26a. The top end of the pillar heads 26a is fixed to the top of the pillar heads 26a by a guide double-cut bolt 27 and a tightening bolt 28. The column base 15b is joined. An eave beam 29 made of H-shaped steel is joined to the column head 26a of the grid column 26 by a bolt 30.

According to this joint structure, the vertical brace 3
A, 3B, brace bundle 4, and horizontal brace 6A,
6B is directly joined to the column base portion 15b of the sill column 15 with the sill portion lower end joining hardware 7 without passing through the land beam joint 5, so that an unreasonable load or bending moment does not act on the land beam joint 5. In addition, an unreasonable load does not act on the lower-end joint metal 7 of the slack portion, and firm joining can be performed. For example, vertical brace 3
Since A and 3B are joined to the connecting piece 7c protruding along the vertical direction on the inner surface of the standing piece 7a of the lower end joint metal fitting 7, the other parts of the metal fitting 7 are not affected by the brace load, It is possible to receive the tension at the column 15. The welding effective length of the connecting piece 7c and its base end can sufficiently resist the eccentric moment due to the tensile force of the vertical braces 3A, 3B. Further, since the horizontal braces 6A, 6B are also joined to the horizontal piece 7b of the bottom end joint metal fitting 7 of the scabbard portion, the other parts of the metal fitting 7 are not affected by the tensile force, and the scabbard 1
It can be tensioned at 5.

Vertical braces 3A, 3B and brace bundle 4
Is connected to the same connecting piece 7c of the lower end joint metal fitting 7 by bolts, and the land beam joint 5 is a horizontal brace 6A,
Since 6B is joined to the horizontal piece 7b of the lower end joint metal fitting 7 with 6B, the number of bolted points can be reduced and the workability is good. In addition, when the scabbard lower end joint metal 7 is preliminarily joined to the scabbard pillar 15 at the time of construction, it is possible to easily lay the land beam joint 5 later. Either of the land beam connection 5 and the brace bundle 4 may be joined first, which also improves the workability. Furthermore, since the bottom end joint metal fitting 7 is provided as a component independent of the land beam connection 5,
The land beam connection 5 does not require welding of joint pieces or the like, and only hole processing is required, and factory productivity is good. Also, therefore, land beam connection 5
For example, the standard length P and the double length 2
In the case of preparing P or the like, it is sufficient to simply prepare profiles having different lengths, and the number of parts and the cost can be reduced. Since the beam connection 5 does not require welding in this way, expansion and contraction due to welding heat can be avoided.

In the above embodiment, the intermediate roof truss 2
The vertical braces 3B, the brace bundles 19, the land beam joints 5, and the like on the side were joined through another joint metal 22 welded to the land beam joint 5, but a joint metal similar to the lower end joint metal joint 7 7'may be used as shown in FIG. That is, the connecting piece 7c of the joint metal 7 '
The lower end of the vertical brace 3B and the lower end of the brace receiving bundle 19 are overlapped on both sides of the connecting piece 7c, and the lower end of the vertical brace 3B and the lower end of the brace receiving bundle 19 are connected by a bolt penetrating the connecting piece 7c.
The end portion of the land beam connection 5 which is joined to c and overlapped on the horizontal piece 7b is joined to the horizontal piece 7b by a bolt 32 penetrating the horizontal piece 7b. The standing piece 7a of the joint metal 7'is joined to the lower end portion of the intermediate roof truss 2 by the bolt 33 penetrating the standing piece 7a. In this case, since it is not necessary to weld the joining metal parts 7, 7'on both sides to the land beam joint 5, it is possible to use the land beam joint 5 as a single material, and the land beam joint 5 is expanded and contracted by welding heat. It can be avoided more reliably.

Further, in each of the above-mentioned embodiments, the lower end portion of the joint portion 7 is joined to the column base portion 15a of the column 15, but the lower end joint portion 7 of the joint portion is various depending on the roof structure. Can be joined to the steel aggregate. For example, it may be joined to the column head 26a of the lower grid column 26, and when the eaves beam 29 is a through beam, the box-shaped joint metal provided on the eaves beam 29 or directly to the eaves beam 29 itself. You may make it join.

[0017]

EFFECTS OF THE INVENTION The brace and land beam joint connection structure of the squirrel portion of the present invention has a standing piece and a lateral piece connected to each other in an L-shape, and a connecting piece bottom end joint in which a connecting piece projects from the inner surface of the standing piece. A metal piece is provided, and the metal piece is attached by bolting to the steel aggregate at the lower end of the sill portion with the standing piece, and the lower end of the vertical brace and the lower end of the brace bundle are overlapped with each other and joined to the connecting piece with a bolt. Since the end of the land beam joint and the end of the horizontal brace are overlapped with the horizontal piece and bolted together, the vertical brace, the land beam joint and the horizontal brace can be reasonably joined to the steel aggregate with a single hardware, and the brace tension There is no problem of the deformation of the joint metal due to the above and the bending moment load of the land beam connection, the on-site construction is easy, the factory productivity of the components is good, and the cost can be reduced. In addition, expansion and contraction of the land beam joint due to welding heat can be avoided.

[Brief description of drawings]

FIG. 1 (A) is a perspective view of a brace of an irrelevant portion and a land beam joint structure according to an embodiment of the present invention, and FIG. 1 (B) is a front view of the same structure.

2A to 2C are a plan view, a front view, and a side view, respectively, of a metal joint used for the same joint structure.

FIG. 3 (A) is a side view showing a joint structure of an upper end of the same joint portion, and FIG. 3 (B) is a plan view of the joint structure.

4 (A) to (C) are a plan view, a side view, and a front view showing a joint structure at a lower end portion of a mountain truss.

5 (A) and 5 (B) are respectively a plan view and a side view of a land beam connection used in the joint structure of the embodiment.

FIG. 6 is a side view showing the overall structure of the joining structure of the embodiment.

FIG. 7 is a perspective view showing a gable roof shed assembly to which the joining structure of the embodiment is applied.

FIG. 8 is an exploded perspective view showing the periphery of an irritated column of the embodiment.

FIG. 9 is a side view showing a modified example of the joint structure at the lower end of the intermediate roof truss.

FIG. 10 is a side view showing an overall structure of a conventional example.

11A to 11C are a plan view, a side view, and a front view of a conventional example, respectively.

12A and 12B are a plan view and a side view of a land beam connection in a conventional example.

FIG. 13 is an explanatory diagram showing a problem of the conventional example.

[Explanation of symbols]

1 ... Iraka part, 2 ... Intermediate roof truss, 3A, 3B ... Vertical brace, 4 ... Brace for vertical brace, 5 ... Land beam connection,
6A, 6B ... Horizontal brace, 7, 7 '... Lower end joint part of anvil, 7a ... Standing piece, 7b ... Horizontal piece, 7c ... Connecting piece, 8
-10 ... Bolt insertion hole, 12-14, 21, 23, 3
1, 33 ... bolts, 15 ... pillars, 15b ... pillar legs,
34 ... ALC outer wall plate

Claims (2)

[Claims] 1. A joint bottom metal fitting having an L-shaped standing piece and a lateral piece, and a connecting piece protruding along the vertical direction is provided on the inner surface of the standing piece, and the joint fitting lower end For abutting against the steel aggregate of the standing piece on the back side of the standing piece and attaching it with a bolt penetrating the standing piece, for joining to the connecting piece of the lower end joint part of the anvil part, to an intermediate roof truss distant inward from the end face The lower end of the vertical brace and the lower end of the brace bundle are overlapped with each other and joined by bolts penetrating the connecting piece, and the end of the land beam joint and the horizontal brace are connected to the horizontal piece of the bottom end of the joint part A brace in a sloping part where the ends are overlapped and joined with a bolt penetrating the horizontal piece, and a land beam connecting joint structure. 2. A joining metal article having a standing piece and a lateral piece connected to each other in an L shape, and a connecting piece protruding along an upright direction on an inner surface of the standing piece, each of which has a bolt insertion hole. Having the standing piece bolted to the steel aggregate at the lower end of any part, the connecting piece is bolted so that the lower end of the vertical brace for joining with the roof truss and the lower end of the vertical brace bundle are overlapped with each other. An end portion of an union part which is joined and in which the end portion of the land beam joint and the end portion of the horizontal brace are overlapped and joined to the horizontal piece.