JPH08246557A - Method of jointing h-type steel pillar or beam by bolts - Google Patents

Abstract

PURPOSE: To reduce the kinds of doubling plates and besides, enlarge the strength of a junction by bolts. CONSTITUTION: Splice plates 3 are annexed astride the abutment to the external surfaces of both flanges 2 of a pillar or a beam 1 consisting of H-type steels butted in the shape of a straight line, and besides doubling angle plates 5 are annexed to the faces in L shape consisting of each inner face of both flanges and the side faces of webs 4, while the flange abutments 5a of both splice plates and each doubling plate are fastened to the flanges with plural bolts and nuts 6. Besides, the web abutments part 5b of each doubling angle plate are fastened to the web by plural bolts and nuts. Hereby, the kinds of doubling plates become two, and the doubling angle plate bears both the bending moment and the shearing force.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to an H-shaped steel column in which columns and beams made of H-shaped steel are linearly joined by bolts and nuts.
The present invention relates to a beam bolting method.

[0002]

2. Description of the Related Art Conventionally, as a bolt joining method for H-shaped steel columns and beams of this type, as shown in FIGS. 4 and 5, for example, columns or beams 31 made of H-shaped steel are linearly butted and adjacent to each other. A first splice plate 33 having a width similar to the flange width is attached to the outer surfaces of both flanges 32 of the pillar or beam 31 straddling the butt ends, and the inner surface of both flanges 32 has a width of about half the flange width. A second splice plate 34 having a width is provided opposite to the first splice plate 33, and the first splice plate 33 and the second splice plate 33 are attached to each other.
While the splice plate 34 is fastened to the flange 32 by a plurality of bolts and nuts 35, third splice plates 37 having a width appropriately smaller than the web width are made to face each other on both side surfaces of the web 36 of the adjacent columns or beams 31, and at the butt ends. The splice plates 37 and 37 are straddled and attached to each other by a plurality of bolts and nuts 38.
A method of tightening is known.

[0003]

However, the conventional H-shaped steel column / beam bolt joining method has a problem that the number of types of splice plates increases and the production and management thereof are complicated. Further, there is a problem that the area of the splice plate must be increased and the number of bolts and nuts must be increased in order to cope with the bending moment and shearing force acting on the pillar / beam. Therefore, it is an object of the present invention to provide a bolt joining method for an H-shaped steel column / beam that can reduce the number of attachment plates and increase the strength of the bolt joining portion.

[0004]

In order to solve the above-mentioned problems, the bolt-joining method for H-shaped steel columns / beams of the present invention is directed to the outer surfaces of both flanges of columns or beams made of H-shaped steel butted in a straight line. A splice plate is attached across the abutting end, and is attached to the L-shaped surface formed by the inner surface of each of the flanges and the side surface of the web. A bending plate is attached opposite to the splice plate, while both splice plates are attached. And the flange abutting portion of each splicing bending plate is fastened to the flange by a plurality of bolts and nuts, and the web abutting portion of each splicing bending plate is fastened to the web by a plurality of bolts and nuts. The bolts and nuts are preferably arranged in multiple stages or in a staggered pattern.

[0005]

In the bolt-joining method for H-shaped steel columns and beams of the present invention, there are two types of attachment plates, a splice plate and an additional bending plate, and the additional bending plate bears both bending moment and shearing force. To do. By making the arrangement of the bolts and nuts multi-stage or staggered, it is possible to deal with the H-section steel and the magnitude of stress. The bolts are preferably high strength bolts.

[0006]

Embodiments of the present invention will be described below with reference to the drawings. 1 and 2 are side views showing an embodiment of a method for bolting H-shaped steel columns / beams of the present invention, II- in FIG.
It is a II sectional view. In the figure, 1 is a pillar or beam made of H-shaped steel butted in a straight line. Both flanges 2 of this pillar or beam 1
A splice plate 3 having a width substantially equal to the flange width W is attached to the outer surface of each of the butt ends so as to straddle each other, and each inner surface of both flanges 2 and the side surface of the web 4 are formed. Attached bending plates 5 that engage with this surface are attached to the L-shaped surface so as to face the splice plates 3 respectively. Bending plate 5
Is composed of a flange abutting portion 5a having a width of about half the flange width W and a web abutting portion 5b having a width similar to the flange abutting portion 5a. Then, the flange contact portions 5a of both the splice plates 3 and the respective bending plates 5
Is a bolt consisting of a high-strength bolt or the like inserted through a plurality of bolt holes (not shown) provided in the contact portion and the flange 2.
It is fastened to the flange 2 by the nut 6, and
The web portion 5b of each splicing plate 5 is similarly fastened to the web 4 by the bolts and nuts 6 which are inserted into a plurality of bolt holes (not shown) provided in the web portion 5b and the web 4.

In the above-described method for bolting H-shaped steel columns / beams, since there are two types of attachment plates, the sprite plate 3 and the additional bending plate 5, the type of attachment plate can be reduced from the conventional one, and its production, Management can be facilitated. Further, since the additional bending plate 5 bears both the bending moment and the shearing force, the strength of the bolt joint portion of the column or the beam 1 can be made larger than in the conventional case.

FIG. 3 is a side view showing another embodiment of the H-shaped steel column / beam bolt joining method of the present invention. This bolt joining method is a bolt for tightening the flange contact portion 5a of the splice plate 3 and the bending plate 5 to the flange 2.
A bolt for arranging the nuts 6 in a zigzag pattern and tightening the web contact portion 5b of the bending plate 5 to the web 4.
The nuts 6 are similarly arranged in a staggered manner. Since the other configurations are almost the same as those in FIGS. 1 and 2, the components having the same functions are designated by the same reference numerals and the description thereof will be omitted. Therefore, in the above method, the H-section steel and the magnitude of stress can be dealt with, and the degree of freedom in design can be increased. The arrangement of the bolts and nuts 6 is not limited to the zigzag shape, and may be in multiple stages.

[0009]

As described above, according to the bolt joining method for H-shaped steel columns / beams of the present invention, since there are two types of attachment plates, a splice plate and a bending plate, the type of attachment plate Can be reduced as compared with the conventional one, and the production and management thereof can be facilitated. Further, since the additional bending plate bears both the bending moment and the shearing force, the strength of the bolt joint portion of the column or the beam can be made larger than in the conventional case. On the other hand, when the bolts and nuts are arranged in multiple stages or in a zigzag pattern, the H-section steel and the magnitude of stress can be dealt with, so that the degree of freedom in design can be increased.

[Brief description of drawings]

FIG. 1 is a side view showing an embodiment of a bolt joining method for H-shaped steel columns / beams of the present invention.

FIG. 2 is a sectional view taken along line II-II in FIG.

FIG. 3 is a side view showing another embodiment of the bolt joining method for H-shaped steel columns / beams of the present invention.

FIG. 4 is a side view showing a conventional bolt joining method for H-shaped steel columns / beams.

5 is a sectional view taken along line VV in FIG.

[Explanation of symbols]

 1 Column or Beam 2 Flange 3 Splice Plate 4 Web 5 Bending Plate 5a Flange Abutment 5b Web Abutment 6 Bolt / Nut

Claims (2)

[Claims] 1. A splice plate is attached to the outer surface of both flanges of a column or a beam made of H-shaped steel butted in a straight line so as to straddle the butted ends, and from each inner surface of the both flanges and the side surface of the web. While attaching the bending plate to the L-shaped surface facing the splice plates above, tighten the flange contacting parts of both splice plates and each bending plate to the flange with multiple bolts and nuts, and bend each A bolt joining method for H-shaped steel columns and beams, characterized in that the web contact portion of the plate is fastened to the web with a plurality of bolts and nuts. 2. The H-shaped steel column according to claim 1, wherein the bolts and nuts are arranged in multiple stages or in a staggered pattern.
Beam bolting method.