JP3764020B2 - Steel frame structure - Google Patents

Description

[0001]
BACKGROUND OF THE INVENTION
This invention can freely design the opening by freely selecting the position of the pillar, and also facilitates the transportation, construction, and processing of the frame components, and the frame structure of the building using steel frames. About.
[0002]
[Prior art]
For a frame structure of a two-story or more building using steel frames, columns are erected at multiple locations on the foundation, and beam materials are bridged between the columns. It is constructed by setting up studs between materials, bridging girders between beams, connecting diagonal positions of necessary frame-like parts with braces, and providing a roof set at the top.
[0003]
The above-mentioned pillar is a continuous length from the foundation to the roof assembly, and the beam is fixed to the pillar by fastening with bolts or welding via a receiving bracket, and the connection of other structural components Has the same fastening structure.
[0004]
[Problems to be solved by the invention]
By the way, the pillars of the conventional frame structure are continuous ones from the foundation to the roof assembly, so they become long and inconvenient to transport, build and process, In addition, since the columns are continuous from the foundation to the roof assembly, the arrangement of the openings of the building is restricted by the columns, and there is a problem that there is no degree of freedom in the arrangement of the openings.
[0005]
Accordingly, an object of the present invention is to provide a steel shaft that can freely set the arrangement of columns on each floor, can freely design the opening, and can easily transport, build, and process the shaft component. It is to provide a set structure.
[0006]
[Means for Solving the Problems]
In order to solve the above-mentioned problems, the invention of claim 1 uses a steel pipe and a beam material or a steel beam as a pillar in a steel frame component, and the pillar is divided into a lower pillar and an upper floor. It is a separate member that is divided into the upper and lower columns of the beam material, and the lower and upper floor columns are joined with bolts on the upper and lower sides of the beam material, and the reinforcing member is attached to the side surface of the beam material column. In the steel frame structure in which the beam member and the beam member can be coupled to the beam member with this reinforcing member, a bolt is provided in each of the upper end portion of the lower floor pillar and the lower end portion of the upper floor pillar. A plate having a hole for screwing in is fitted and welded so that a part of the plate protrudes from the end of the column, and the lower column plate is mounted on the lower surface of the lower flange of the beam member , and the upper flange of the beam member upper surface overlapping plates of the pillars of the upper floor of the play from the bolt holes provided in the lower flange and the upper flange of the beam member Bound to individual pillars under floor columns and upper floor against the beam member volts screwed it bolts holes screwing of the configuration housed inside the pillars threaded portion relative to the plate of the bolt from the beam member side Adopted.
[0007]
DETAILED DESCRIPTION OF THE INVENTION
Hereinafter, embodiments of the present invention will be described with reference to the drawings.
[0008]
The illustrated frame structure exemplifies a four-story house using a steel frame. As main frame components, a base beam 2 and a beam material 3 which are arranged on the foundation 1 and become a floor on the first floor. , Girders 4, pillars 5, inter-columns 6, bracing members 7, joists 8, etc., the base beam 2, the beam material 3, and the girders 4 are made of H-shaped steel, and the pillars 5 are made of square steel pipes. At the same time, the pillar 6, the brace material 7, the joist 8 and the like use a square steel pipe or a wooden square material as necessary.
[0009]
In the above-mentioned frame construction material, the base beam 2, the beam material 3, and the girder 4 are continuous through-beams having a length corresponding to the dimensions of the width and depth in the plane of the building, and the columns 5 are each floor. Each column has a length, and is divided into upper and lower columns 5 and upper columns 5 with a beam material 3 and a girder 4 interposed therebetween, and is an independent member for each floor.
[0010]
The foundation beam 2 is arranged in a frame shape on the foundation 1 and is fixed on the foundation 1 by fastening with anchor bolts embedded in the foundation 1, and steel pipes are used at necessary locations on the foundation beam 2. The first floor pillar 5 is erected, the beam material 3 is horizontally placed on the first floor pillar 5 and fixed in a frame-like arrangement, and the second floor pillar is placed on the beam material 3. 5 is installed and the beam material 3 is horizontally placed and fixed on the upper end, and this is repeated only on the required floor above, and the roof assembly 9 is provided on the beam material 3 on the uppermost floor to construct the frame structure. Is done.
[0011]
The above-mentioned base beam 2 is provided with large pulls and the like, and the joists 8 are arranged at predetermined intervals thereon, and the beam members 4 are bridged at predetermined intervals in the beam members 3 on each floor, The joists 8 are arranged in parallel between the girders 4 and are provided with a brace material 7, and on the wall surface, a pillar 6 and a brace material 7 are provided between the base beam 2 and the beam material 3 and between the upper and lower beam materials 3. Deploy.
[0012]
Note that the frame structure is not limited to a typical four-story house as shown in the figure, but can be used for construction of buildings for various purposes with two or more floors, and the beam 3 is a continuous long structure. Therefore, there is an advantage that the protruding portion 10 such as a veranda can be directly formed by the beam material 3 and it is not necessary to support the protruding portion 10 with a pillar.
[0013]
FIGS. 2 to 4 show the fixing structure of the beam member 3 and the column 5, and a thick plate 11 is fitted to the end of the column 5 so as to partially protrude and fixed by welding. Bolt insertion holes 12 are provided at locations, and nuts 13 are welded and fixed to portions of the respective insertion holes 12 on the lower surface of the plate 11 located in the column 5.
[0014]
Reinforcing members 14 are fixed to positions on both sides of the beam member 3 where the column 5 is coupled to protect the beam member 3 from the load applied to the beam member 3. The reinforcing member 14 is formed of a substantially U-shaped contact plate 15 that circumscribes the upper and lower flanges 3 b from the outer surface of the rib 3 a of the beam member 3, and a rib plate 16 that is fixed inside the contact plate 15. Yes.
[0015]
The reinforcing members 14 on both sides are fixed to the beam member 3 by fastening the abutment plate 15 and the rib 3a of the beam member 3 with a plurality of bolts 17 and nuts, and the flange 3b of the beam member 3 and the contact plate 15 Bolt holes 18 are provided at positions overlapping with the flanges 3 b so as to match the respective insertion holes 12 of the plate 11, and the plates 11 of the pillars 5 are overlapped on the outer surfaces of the flanges 3 b of the beam members 3 and inserted through the respective bolt holes 18. The bolt 19 inserted into the hole 12 is screwed into the nut 13 to fasten the beam member 3 and the column 5. If the insertion hole 12 of the plate 11 is a screw hole and the bolt 19 can be directly screwed in, the welding of the nut 13 can be omitted, and this connection structure is a combination of the column 5 and the beam 4. It can be employed for coupling the intercolumn 6 to the beam member 3 and the beam member 4.
[0016]
In the reinforcing member 14, the connecting plate 20 is integrally projected on the rib plate 16 of one or both of the reinforcing members 14, the rib portion end portion of the girder 4 is overlapped on the connecting plate 20, and this overlapping portion is a plurality of overlapping portions. By fastening with bolts 21 and nuts, the girder 4 can be fixed at a right angle to the beam 3.
[0017]
The beam member 3 and the beam member 4 are previously provided with bolt holes 18 at predetermined intervals in the length direction of the rib portion 3a and the flange portion 3b. It is convenient to be able to select arbitrarily at intervals.
[0018]
As shown in FIG. 2, the brace material 7 disposed between the columns 5 is fixed by cutting the end portions of the brace 7 in an inclined shape and fixing the end portions of the brace material 7 to the columns 5 by welding. .
[0019]
The steel frame structure of the present invention is configured as described above. The base beam 2 is installed on the foundation, the column 5 is erected and fixed at a required position of the base beam 2, and the second floor is placed on the column 5. The beam member 3 is placed, the upper end of the pillar 5 and the beam member 3 are joined, and this is repeated upward by the required number of floors, and a roof set 9 is provided on the beam member 3 on the uppermost floor, and at the required position on the wall surface. The frame 6 and the brace material 7 are arranged, and the frame structure is constructed by arranging the overdraw and joists 8 on the floor surface, and the building is completed by applying the interior and exterior to the frame structure.
[0020]
At the time of building the frame structure, each pillar 5 is divided for each floor, so the standing position of the pillar 5 can be arbitrarily selected, and the entrance / exit and window setting location that is the opening of the building can be freely set. The degree of freedom in setting the opening position can be greatly improved.
[0021]
Also, in each frame component material, if the pillar 5 is divided into each floor and made independent, and the pillars of the upper floor and the lower floor are joined with the beam material 3 in between, the strength of the joint portion is maintained. Further, the length of the pillar 5 can be shortened, the transportation, construction, processing, and the like of the shaft assembly material can be facilitated, and the protruding portion 10 such as a veranda need not be supported by the pillar.
[0022]
【The invention's effect】
As described above, according to the present invention, among the steel frame structural members, the pillars are separated into the lower floor pillars and the upper floor pillars at the upper and lower parts at the beam portion, and the lower floor pillars Since the steel frame is assembled by connecting the upper floor columns individually to the beam material, each column is divided for each floor, so the standing position of the columns can be arbitrarily selected In addition, it is possible to freely design the entrance / exit and window setting location, which is the opening of the building, and it is possible to shorten the length of the pillar, making it easy to transport, build and process the frame components. Further, it is possible to form a protruding portion such as a veranda directly with the beam material, and it becomes unnecessary to support the protruding portion with a pillar.
[0023]
In addition, the beam material and the column are connected with bolts, and the reinforcing member is provided at the beam connection portion of the beam material, so that the strength of the beam material is sufficiently ensured even if the beam material is interposed between the upper and lower columns. be able to.
[Brief description of the drawings]
FIG. 1A is a front view showing an example of a steel frame constructed by the construction method of the present invention, and FIG. 1B is a horizontal plan view of the same FIG. 2 FIG. Fig. 3 is a perspective view showing a part. Fig. 4 is a longitudinal front view showing a connecting part of a beam, a column and a girder. Fig. 4 is a longitudinal side view of the same.
DESCRIPTION OF SYMBOLS 1 Foundation 2 Base beam 3 Beam material 4 Girder material 5 Column 6 Interstitial column 7 Brace material 8 joist material 9 Roof assembly 10 Jumping part 14 Reinforcement member

Claims (1)

Among steel frame components, steel pipes and beams and girders are used as columns, and the above-mentioned columns are separated into lower and upper floor columns by beam members. the lower floor of the pillars and the upper floor pillars attached with bolts above and below the timber, subjecting the reinforcing member to the side of moiety attached to pillars of the beam member, combine Harizai or spar to the beam member with the reinforcing member In the steel frame structure made possible,
A plate having a hole for screwing a bolt is fitted into each of the upper end of the lower floor pillar and the lower end of the upper floor pillar so that a part thereof protrudes from the end of the pillar, and is welded. Overlay the plate of the lower floor on the lower surface of the lower flange of the beam and the plate of the upper floor on the upper surface of the upper flange of the beam . From the bolt holes provided in the lower and upper flanges of this beam The lower and upper floor pillars were individually connected to the beam with bolts screwed into the holes into which the bolts of each plate were screwed, and the screwed parts of the bolts to the plate were placed inside the pillar from the beam side. Steel frame structure characterized by that.

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