JPH0673790A - Construction of steel frame structure and pillar used for it - Google Patents

Abstract

PURPOSE:To easily and rapidly carry out a series of construction work. CONSTITUTION:In a construction way of a steel frame structure in which a beam is installed between two columns erected, a holding member 7 is fitted at a required position of at least one of columns 1. After that, one end of an auxiliary is placed and retained on the holding member 7 beam 13 and in that condition, the auxiliary beam 13 is jointed to the column 1. Next, after both columns 1, 1a are erected almost parallelly, the main beam 19 is jointed to the auxiliary beam 13 and the other column 1a for the erection.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a method for constructing a steel frame structure and a column used for the method, and more particularly, a steel frame structure for a relatively large-scale building constructed by joining beams and columns. The construction method applied when constructing and the pillar used for this.

[0002]

2. Description of the Related Art Conventionally, as a method of constructing this kind of steel frame structure, for example, there is one as shown in FIG.

That is, in this conventional type, first, flanges 20 are welded to the upper and lower surfaces of both ends of the beam 19a in a factory.
In this state, it is delivered to the site. Then, a plurality of columns 21 ... Is erected on the ground, and the beams 19a are installed between the columns 21.

In this case, a frame scaffold 22 is separately provided below the portion where the main beam 19a is joined, and the main beam 19a hung by a crane or the like is moved to the vicinity of the joining position between the columns 21. Then, the worker who got on the frame scaffolding 22 made the main beam 19
With the back surface of the flange 20 provided at the end portion of a abutting, the both ends of the main beam 19a are fixed to the columns 21, 2 with bolts and nuts or the like.
It is fixed at 1.

[0005]

However, the work of installing and removing the large-scale frame scaffolding 22 at each joining position of the column 21 and the main beam 19a is extremely complicated, and a large number of frame scaffolds 22 are required.
However, it is very troublesome to handle, and this has a fatal problem that the work efficiency is lowered and the construction period is delayed.

Further, since the flange 20 is previously welded to the main beam 19a in a factory or the like, the flange 20 protrudes and the pillar
There was also the inconvenience that it hindered the storage and transportation of 21.

Further, since the main beam 19a which is suspended by a crane or the like is extremely unstable, the work of joining it to the column 21 is also complicated.

Therefore, the present invention has been made in order to solve the above-mentioned conventional problems, and an object thereof is to make it possible to perform a series of construction work easily and quickly.

[0009]

That is, in order to solve the above-mentioned problems, the present invention attaches a holding member 7 to a desired position of at least one of the columns 1 and then attaches one end of an auxiliary beam 13 to the holding member 7. The auxiliary beam 13 is joined to the column 1 in a state of being placed and held, and then both columns 1 and 1a are erected substantially in parallel, and then the main beam 19 is attached to the auxiliary beam 13 and the column 1a. This is a construction method of a steel frame structure that is joined and installed.

The column for steel frame structure according to the present invention is
At least one holding member 7 is provided at a desired position of the column main body 2, and an auxiliary beam 13 is provided by being joined to the column main body 2 while being placed on the holding member 7.

[0011]

Therefore, in the construction method of the steel frame structure characterized by the above construction, since the auxiliary beam 13 is joined to the column 1,
When the beam 19 is erected between the column 1 and the other column 1a that are erected thereafter, the worker can use the auxiliary beam 13 as a scaffolding, which can greatly contribute to the convenience of the erection work. Of.

[0012]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS An embodiment of a steel frame structure column according to the present invention will be described below with reference to the drawings.

In FIGS. 1 and 2, reference numeral 2 denotes a column main body made of a rectangular steel pipe, and a rectangular reinforcing pipe 3 is externally fitted at a predetermined position thereof. Reference numeral 4 is a screw hole formed on one side surface of the column main body 2 in two rows in the axial direction at predetermined intervals. Reference numeral 5 is a nut in which a screw portion 6 that can be screwed into the screw hole 4 of the pillar main body 2 is formed on the outer peripheral surface of the collar portion 5a, and the head portion 5b has a hexagonal shape.

Reference numeral 7 denotes a plate-shaped mounting portion on one side surface of the plate-shaped base portion 7a.
The front flange 7a is a T-shaped flange having a substantially T-shape, and a plurality of holes 8a and 8b are formed in the base 7a and the mount 7b at predetermined intervals. Reference numeral 9 is a stud bolt having threaded portions 9a formed at both ends, one end of which is screwed into the nut 5 up to the end of the threaded portion 9a and the other end is a hole for forming a reinforcing pipe 3.
The nut 11 is inserted through the hole 3a and the hole 8a of the T-flange 7, and the nut 11 is tightened through the washer 10. In this case, since one end of the stud 9 is screwed to the end of the threaded portion 9a, there is no inconvenience that the stud 9 rotates together with the nut 11. A tightening portion 9b for setting torque is provided at the other end of the stud 9, and when a certain tightening force is applied to the tightening body 9a with a special tool, the notch 9c is formed.
It is configured to break more.

Reference numeral 12 is a reinforcing plate attached to one side surface of the reinforcing pipe 3, and like the T flange 7, the nut 5 is used.
One end of the stud bolt 9 screwed into the
3a, the nut 11 is inserted through the hole 8a of the T flange 7 and the hole 12a of the reinforcing plate 12, and the nut 11 is tightened and fixed via the washer 10.

Reference numeral 13 is a short-sized auxiliary beam made of H-shaped steel, and one of the flange portions 15 is mounted and held on the mounting portion 7b of the T-flange 7, and the bolt 14 is attached to the flange portion 15 of the auxiliary beam 13. A plurality of perforated holes 15a formed in and the mounting portion 7b of the T-flange 7
The nut 17 is inserted through the hole 8b to fasten the nut 17 via the washer 16, and the tip of the other flange portion 18 is welded and fixed to the reinforcing plate 12.

Although this embodiment has the above-mentioned configuration,
Since the work of joining the pillar main body 2 and the auxiliary beam 13 can be easily performed on site, the pillar main body 2 having a square tube shape can be stored and transported as it is. It has the advantage of being extremely easy to handle.

Next, a case of constructing a steel frame structure using this will be described. First, as shown in FIG. 3, the above-described pillar 1 and a pillar 1a having only the T-flange 7 of the same structure attached at a desired position corresponding to the T-flange 7 of the pillar 1 are substantially parallel to the ground with a predetermined space therebetween. Stand upright.

Thereafter, the main beam 19 made of H-shaped steel to be joined is used.
Is hung substantially horizontally by a crane or the like, and is placed between the pillars 1 and 1a, and one end of the pillar 1a is held by the mounting portion 7b of the T flange 7 of the other pillar 1a. The other end of the main beam 19 is joined to the auxiliary beam 13 using the auxiliary beam 13 of the one pillar 1 as a scaffold.

In this case, the joint plate 20 is connected to the auxiliary beam 13 and the main beam 19.
The bolts 21 and the nuts 22 may be used to join them while straddling them. Since one end of the main beam 19 is also stabilized by joining the other end of the main beam 19, an operator can join the other end of the main beam 19 to the other T-flange 7 with a bolt 21 or the like. Of.

In this way, one end of the main beam 19 is connected to the other pillar 1a.
Since the auxiliary beam 13 can be effectively used for scaffolding while being held by the T-flange 7, the operation of the crane and the joining work of the main beam 19 can be performed very easily and quickly, resulting in a significant improvement in work efficiency. Becomes

Then, the same work is performed to form a steel frame structure.

In the above embodiment, a square steel pipe is used for the column main body 2 and H-shaped steel is used for the auxiliary beam 13 and the main beam 19, but it is of course possible to use other steel members. However, the specific configuration does not matter.

Further, the joining means for joining the auxiliary beam 13 to the column body 2 and the auxiliary beam 13 to the main beam 19 does not necessarily have to be constructed as in this embodiment.

Further, the number and positions of the auxiliary beams 13 provided on the column main body 2 can be arbitrarily changed.

The auxiliary beam 13 does not necessarily have to be joined on site, but can be joined in advance in a factory or the like.

[0027]

As described above, according to the present invention, since the auxiliary beam is preliminarily joined to the column main body, the auxiliary beam forming a part of the beam is used as a scaffold for work after construction. As a result, there is no need to install and remove scaffolding as in the conventional case where a large number of large-scale frame scaffolds were separately installed for each joint between the pillar and the beam, and its handling is not complicated. As a result of being able to perform a series of construction work extremely simply and quickly, we have come to obtain a particular effect that it can greatly contribute to shortening the construction period.

In particular, if a holding member is also provided on the other pillar corresponding to the pillar to which the auxiliary beam is attached, one end of the main beam is held and the other end is joined to the auxiliary beam when the main beam is installed. Therefore, there is an advantage that the joining work can be performed more safely and easily.

Further, since the pillar according to the present invention has a simple structure as described above, it has a practical effect that it can be easily manufactured at low cost.

[Brief description of drawings]

FIG. 1 is an enlarged front view of an essential part showing an embodiment of a pillar according to the present invention.

FIG. 2 is an enlarged cross-sectional view of the relevant part.

FIG. 3 is a front view showing an example of a method of constructing a steel frame structure according to the present invention.

FIG. 4 is a front view of a conventional example in a construction state.

[Explanation of symbols]

 1, 1a ... Pillar 2 ... Pillar main body 4 ... Screw hole 5 ... Nut 6 ... Screw portion 7 ... Holding member 7a ... Base portion 7b ... Mounting portion 8a ... Through hole 9 ... Implant bolt 11 ... Nut 13 ... Auxiliary beam 19 ... Book Beam

Claims (5)

[Claims] 1. A method for constructing a steel frame structure in which a beam is erected between two vertically installed columns. A holding member 7 is attached to a desired position of at least one of the columns 1, and then the holding member 7 is attached to the holding member 7. With one end of the auxiliary beam 13 placed and held, the auxiliary beam
Steel frame characterized in that 13 is joined to the pillar 1, and then both pillars 1 and 1a are erected substantially parallel to each other, and then the main beam 19 is joined to the auxiliary beam 13 and the other pillar 1a to be erected. Construction method of frame structure. 2. The holding member 7 comprises a base portion 7a joined to the pillar 1 and a mounting portion 7b projecting from one side surface of the base portion 7a and capable of mounting one end portion of the auxiliary beam 13 thereon. The method for constructing a steel frame structure according to claim 1, which is a T-flange. 3. The auxiliary beam 13 is configured so that it can be joined to the pillar 1 and the main beam 19 with bolts and nuts.
Or the construction method of the steel frame structure according to 2. 4. A nut 5 having a threaded portion 6 on its outer peripheral surface is screwed into a threaded hole 4 formed in the pillar 1, and the other end of the stud bolt 9 is screwed into the nut 5 at one end. The method for constructing a steel frame structure according to claim 1, wherein the holding member 7 is attached to the pillar 1 by inserting the nut into the through hole 8a formed in the holding member 7 and tightening the nut 11. 5. At least one holding member 7 is attached to a desired position of the pillar main body 2, and an auxiliary beam 13 is provided by being joined to the pillar main body 2 while being placed on the holding member 7. A pillar characterized by that.