JPH09256474A - Construction method for columnar structure - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a construction method capable of eliminating a crane work or the like at an elevated place, and install each facility for a roof part safely as well as economically, regarding a columnar structure such as a canopy. SOLUTION: A column member has a jointed column structure made of a lower column 2A, an upper column 2B and an intermediate column 2C positioned between the lower and upper columns 2A and 2B. A structure is temporarily constructed, with the intermediate column 2C removed. Thereafter, the intermediate column 2C is jointed to the lower end of the upper column 2B with a pin, so as to be capable of being suspended, and an upper structure including the upper column 2B is erected on the operation of an erecting device. Then, each jointing part is fixed, with the intermediate column 25 positioned between the upper column 2B and the lower column 24.

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 so-called columnar structure composed of a columnar framework, and in particular,
It relates to a method of building a canopy for a gas station.

[0002]

2. Description of the Related Art A gas station canopy has a roof arranged on a pillar erected on a foundation, and various equipment necessary for refueling is housed in the roof. The space is secured with a high pillar due to the relationship with the vehicle.
For this reason, the roof portion is inevitably located at a high position, and installation of refueling-related equipment on this roof portion requires work at a high place, which requires a large working machine, which is not only expensive to construct but also dangerous.

[0003]

SUMMARY OF THE INVENTION The present invention has been made in view of the above circumstances, and an object thereof is to provide a method for constructing a canopy in which installation of refueling-related equipment on a roof portion can be carried out safely and economically. And Another object of the present invention is not only to provide a canopy, but also to provide a method for constructing a general columnar structure.

[0004]

In order to achieve the above object, the method for constructing a columnar structure of the present invention has the following constitution.
That is, the first main structure is a structure in which a column member supports a load of an upper layer structure, and the column member includes a lower column connected to the lower layer structure, an upper column connected to the upper layer structure, and these lower columns and upper parts. Adopting a joint pillar structure with a middle pillar that is interposed between the pillar and temporarily constructing a structure with the middle pillar removed, and then suspending the middle pillar with a pin at the lower end of the upper pillar It is attached so that the upper layer structure including the upper pillar is lifted by a lifting device, and each joint is fixed in a state where the middle pillar is located between the upper pillar and the lower pillar. Characterize. The second main configuration is, in claim 1, in the provisional construction, in the provisional construction, the connection part is fixed between the erection pieces attached to the end parts of the upper part pillar and the lower part pillar, and in the upper part of the upper part pillar, Hang columns on those erection pieces with pins,
It is characterized by the following.

(Operation) In the temporary construction of the construct, the upper layer structure is finished at a low position. As the upper structure is lifted up, the middle pillar is also hung in an interlocking manner and automatically inserted between the upper pillar and the lower pillar.

[0006]

BEST MODE FOR CARRYING OUT THE INVENTION An embodiment of a method for constructing a columnar structure of the present invention will be described with reference to the drawings. (First Embodiment) FIGS. 1 to 11 show one embodiment (first embodiment).
Embodiment) and an application example to a canopy in a gas station, a so-called gas station. 1 and 2 show the completed construction of the canopy, and FIGS. 3 to 11 show each aspect of the construction process.

In FIGS. 1 and 2, this canopy K is used.
Is a foundation part 1 installed on the ground E, a pillar part 2 built on the foundation part 1, and a roof part 3 installed on the pillar part 2.
And consisting of L in FIG. 2 is a lifting device, which is arranged at four places. The foundation 1 is for running various vehicles including large vehicles in the canopy, and is constructed with the pavement 9 with sufficient strength. The pillar 2 includes a lower pillar 2A connected to the foundation 1, an upper pillar 2B connected to the roof 3, and a middle pillar 2C interposed between the pillars 2A and 2B.
And the joint columns by these columns 2A, 2B, 2C are adopted. The pillars 2 are a lower pillar 2A and an upper pillar 2
Both B and the middle pillar 2C have the same box-shaped cross section, and their abutting portions have a joint portion S structure shown in the following example,
An erection piece 13, which will be described later, is fixed to the outer surface of the abutting portion, which is used during assembly and is removed later. Further, a mounting rib 22 which will be described later is fixed to the upper pillar 2B. The roof portion 3 is mainly composed of the beam members 5, is provided with various equipment such as oil supply equipment and piping, and is provided with a decorative material such as a ceiling board and a roof board. The beam member 5 rigidly contacts the large beams 5A in a cross beam shape, bridges the small beams 5B between the large beams 5A, and tightly connects them with the horizontal braces 5C to form a frame structure. Reference numeral 6 is a frame body arranged on the outer periphery of the frame body.

The construction procedure will be described below. In this construction mode, a mode in which the pillar portion 3 has two upper and lower joint portions is shown. (1) Construction of Foundation 1 As shown in FIG. 3, after excavating the ground E and leveling it, a footing foundation is constructed as the foundation 1 at the installation position of the pillar 2. The footing foundation 1 is made of reinforced concrete, and is composed of a wide pedestal portion 1a below and a pedestal portion 1b above the pedestal portion 1b. Anchor bolts 10 are planted on the pedestal portion 1b.

(2) Installation of lower pillar 2A Further, as shown in FIGS. 3 and 4, the anchor plate 12 is installed on the footing foundation 1 and the lower pillar 2A is built. The anchor plate 12 is fixed to the anchor bolt 10. The anchor plate 12 and the lower pillar 2A have an integral shape. The erection piece 13 is provided on the upper end of the lower pillar 2A.
A is fixed. (Erection piece 13) (FIGS. 6, 7, 9, and 1)
The erection piece 13 is fixed to each of the columns 2A, 2B, and 2C with a predetermined distance, and the erection piece 13A is provided at the upper end of the lower column 2A and the erection piece 13B is provided at the upper end of the upper column 2B. However, the erection pieces 13C are fixed to the upper end and the lower end of the center pillar 2A, respectively. Mounting holes 14 are opened in the erection piece 13 in a predetermined relationship. That is, the erection pieces 13A and 13B, 13A and 13C, 13B and 13
C has a corresponding relationship, and when the columns 2A, 2B, 2C are in contact with each other at the joining position, the mounting holes 14 maintain a constant interval. Further, the additional concrete 15 for the lifting device is placed on the base 1a of the footing foundation 1. The upper surface of the additional concrete 15 is finished flat. Since the additional concrete 15 is to be removed later, it is made unreinforced.

(3) Construction of roof part 3 Next, as shown in FIG. 5, the upper pillar 2B of the roof part 3 is built on the lower pillar 2A of the foundation part 1, and the erection piece 13B is utilized to form the lower pillar. Join to 2A. 6 and 7 show a state in which the lower pillar 2A and the upper pillar 2B are connected. That is, the connecting plate 17 is connected to the upper and lower erection pieces 13A,
13B and straddle 13B, and tighten with fastening bolts and nuts 18. As a result, the upper pillar 2B is firmly fixed to the lower pillar 2A, and the subsequently constructed roof portion 3 is stably supported. (Joined portion S) In FIG. 6 and further in FIG. 9, S indicates a jointed portion, and a backing metal 19 is provided at the lower ends of the upper columns 2B and 2C so as to project from the lower ends of the columns and secure a welding margin. ,
A backing plate 20 that is flush with the upper ends of the pillars is disposed on the upper ends of the lower pillars 2C and 2A. The backing plate 19 is abutted against the backing plate 20 and these are finally welded together. (3A) In this state, the roof portion 3 is constructed based on the upper pillar 2B. That is, a frame member is formed by the beam members 5, and the frame member 6 is arranged on the outer circumference. After that, various equipments such as refueling equipment and piping are installed, and decorative materials such as ceiling boards and roof boards are applied. At this time, the roof portion 3 is located at a lower position than the ground, and not only the construction of the roof portion 3 but also the installation of the refueling-related equipment and the finishing work of the roof portion 3 do not require any special large machine and can be performed by normal equipment. In addition, work in high places is eliminated, and safe construction is possible. (3B) Installation of Lifting Beam In parallel with the above (3A), the lifting beam 23 is bridged to the mounting rib 22 fixedly fixed to the upper pillar 3A in advance. Figure 6
With reference to FIG. 7, a flange of a lifting beam 23 made of an H-shaped member is brought into contact with the lower surface of the mounting rib 22, and they are fixed with appropriate fixing means (usually bolt / nut tightening, and in some cases welding joining). Fix it.

(4) Installation of lifting device L and installation of center pillar 2C As shown in FIG. 8, the lifting device L is installed between the additional concrete 15 of the foundation 1 and the lifting beam 23. The middle pillar 2C is installed on the upper pillar 2B by using the suspension plate 25 that is attached to the erection pieces 13B and 13C and is unique to this embodiment. (Hanging Plate 25) The hanging plate 25 has a configuration peculiar to the present embodiment, and as shown in FIGS. 9 to 11, has a rectangular flat plate shape with a predetermined thickness, and has an upper half portion 2 One mounting hole 26a, 26b is opened, and two mounting holes 26c, 26d are opened in the lower half part. Of these, the mounting hole 26d
The lower end mounting hole or loose hole has a special shape. That is, the lower end mounting hole 26d
Has an oval shape or an oval shape, and other mounting holes 26
Let d1 be the diameter of the lower end mounting hole 26d, and d2 be the diameter of the lower end mounting hole 26d.
It absorbs the clearance α between B and the center pillar 2C (ie, α <β = d2-d1).

(4A) Installation of the lifting device L The lifting device L is installed on the reinforced concrete 15 of the foundation part 1, and its upper end is placed in contact with the lower surface of the lifting beam 23. The lifting device L is installed at a plurality of locations (four locations in this embodiment) and is operated in synchronization. Further, the lifting device L has a sufficient stroke, so long as it meets the purpose of the method of the present invention, its form and structure are not limited, but an interposer is inserted in each step, A structure having a structure in which the interposer is sequentially lifted in a standard manner is preferably adopted. (4B) Installation of the middle pillar 2C The erection piece 13 of the lower pillar 2A and the upper pillar 2B.
Remove the connecting plate 17 interposed between A and 13B,
The hanging plate 25 is brought into contact with the erection piece 13B of the upper pillar 2B and the erection piece 13C of the middle pillar 2C, and the middle pillar 2C is hung via the hanging bolt 27. The suspension bolt 27 includes one upper suspension bolt 27a arranged on the upper erection piece 13B and one lower suspension bolt 27b arranged on the lower erection piece 13C. Each of the middle pillars 2C is in a state of being suspended outwardly with an inclination, and at this time, the pillar head is prevented from hitting the lower pillar 2A, and the erection piece 13C of the pillar base portion is not damaged. Supported by. For this reason, a pulling force is applied to the center column 2C at the lower end portion by an appropriate means in the outward direction, and the erection piece 13C at the lower end portion is protected so as to prevent collision with foreign matter.

(5) Lifting of the roof part 3 by the lifting device L and suspension of the middle pillar 2C The lifting device L is operated, and the roof part 3 and the upper pillar integrated with the roof part 3 are lifted via the lifting beam 23. Lift 2B. Along with this, the middle pillar 2C suspended from the upper pillar 2B by the hanging plate 25 gradually rises. On the other hand, the lower end of the center column 2C is supported so as to be slidable, and an outward pulling force is applied to prevent the center column 2C from moving.

(5A) Vertically arranging the middle pillar 2C The upper pillar 2B is lifted up, and the middle pillar 2 is located between the upper pillar 2B and the lower pillar 2A.
By the time C enters, it is in a so-called over-raised state,
While suspending lifting, the center pillar 2C is held in a vertical state by manual work, and in this state, the hanging plate 25 is also attached to the erection pieces 13B and 13C on the other side. As a result, the middle pillar 2C is vertically installed so as to coincide with the central axis of the upper pillar 2B, and the lower end of the middle pillar 2C has an appropriate space with the lower pillar 2A. 9 and 10 show this state, and a clearance α between the upper pillar 2B and the middle pillar 2C is formed. (5B) Then, the lifting device L is lowered, the lower end of the middle pillar 2C is brought into contact with the upper end of the lower pillar 2A, and the lowering is temporarily stopped.
At this time, in the joint S, the lower backing plate 20
If a sheath pipe that is fixed to the inner surface of the casing and that protrudes upward is provided to guide the fitting, the joining work becomes easy. At the lower pillar joint, the erection pieces 13A, 13B
The connecting plate 17 is fixed in between. (5C) Further, the lifting device L is lowered, and the lower end of the upper pillar 2B abuts on the upper end of the middle pillar 2C to stop the lifting. At this time, the lower suspension bolt 27b slides in the lower end mounting hole 26d to absorb the clearance α.

(6) Joining finish of the column portion 2 The upper and lower joint portions S of the column portion 2 are rigidly welded to each other so that the column portion 2 is integrated. At the same time, the erection piece 13 is melted and removed.

(7) Then, the fixing of the lifting beam 21 to the mounting rib 20 is released, the lifting device L is reduced, the lifting device L and the lifting beam 21 are removed, and the mounting rib 20 is further removed. To remove.

When the above steps are finished, the additional concrete 15 is removed, the concrete P under the canopy is poured, and the remaining remaining work is carried out, and the work is finished.

The construction method of this embodiment is carried out according to the above procedure, and since the roof portion 3 is placed on the lower pillar 2A through the upper pillar 2B, the roof portion 3 is low on the ground. It is placed in a position, and as a result, various equipment is installed on the roof part 3 on the ground, and finishing work is performed,
Crane work at high places is eliminated, and it is safe and the construction efficiency can be improved. Also, the middle pillar 2
Since C is hung by using the erection piece 13, it is possible to maintain an accurate hanging position, and further, when the upper pillar 2B is lifted, the middle pillar 2C is changed to the upper pillar 2C.
It is automatically inserted and installed between B and the lower pillar 2C.

In the present embodiment, the lifting beam 23 is attached via the attachment rib 22 of the upper column 2B, but it may be attached directly to the upper column 2B without the attachment rib 22. May be attached to. Further, the lifting beam 23 may not be provided, and the lifting device L may be brought into contact with the lower surface of the roof portion 3, specifically, the lower surface of the girder 5A. Further, in the present embodiment, the two middle pillars 2C are arranged so as to be hung outwards, in other words, hung in the opposite directions, but as shown in FIG. 12, both are arranged inward. The embodiment (FIG. 12a) or the arrangement in parallel (FIG. 12b) is included in this embodiment.

(Second Embodiment) FIG. 13 shows another embodiment (second embodiment) of the method for constructing a columnar structure of the present invention. In the present embodiment, the lower pillar 2A is omitted and the middle pillar 2
C is directly fastened to the foundation 1. In other words, it shows a mode in which there is one joint. In this embodiment, a temporary column base 2D is prepared in place of the lower column 2A, but the temporary column base 2D generally corresponds to the lower column 2A,
It is lower in height than the lower pillar 2A, and is temporarily fixed to the foundation anchor bolt 10 with the foundation portion 1. The middle pillar 2C has the anchor plate 12 of the lower pillar 2A at the lower end.

The main part of the construction procedure will be described. (1) The foundation 1 is constructed in the same manner as in the first embodiment. (2) A temporary column base 2D is installed on the foundation part 1 and temporarily fixed to the anchor bolt 10 so that it can be removed later. (3) The upper pillar 2B is built on the temporary pillar base 2D through the erection pieces 13 to construct the roof portion 3.
In addition, a lifting beam will be installed. (4) The lifting device L is installed, and the middle pillar 2C is hung on the upper pillar 2B via the hanging plate 25. (5) While lifting the roof part 3 with the lifting device L,
Start up 2C of the middle pillar. When the middle pillar 2C is lifted up and over, the lifting is stopped and the temporary pillar base 2D is removed.
Then, the lifting device L is lowered, the anchor plate 12 of the center pillar 2C is inserted into the anchor bolt 10, and temporary tightening is performed. Further, the lifting device L is lowered, and the lower end of the upper pillar 2B is joined to the upper end of the middle pillar 2C. (6) Fully tighten the anchor bolts 10 as well as the pillar 2
The joint S of is welded. The subsequent steps are based on the steps of the first embodiment.

According to the second embodiment, the temporary column base can be used many times, which is economical.

The present invention is not limited to the above embodiments, and various design changes can be made within the scope of the basic technical idea of the present invention. That is, the following embodiments are included in the technical scope of the present invention. The column portion 2 is not limited to a member having a box-shaped cross section, and does not prevent the use of, for example, an H-shaped steel material, or a member having a circular cross section. The lifts L are not limited to four places, and may be more than three places or three places as long as the roof portion 3 can be balanced. The present invention is not limited to the canopy, and may be applied to other columnar structures.

[0024]

According to the method for constructing a pillar structure of the present invention, since the roof portion is placed on the lower pillar via the upper pillar, the roof portion is placed at a lower position on the ground, and as a result, Since various equipment is installed on the roof and finishing work is performed, crane work at high places is eliminated, which is safe and construction efficiency can be improved. In addition, since the middle pillar is hung using the erection piece, it is possible to maintain an accurate hanging position. Furthermore, when the upper pillar is lifted, the middle pillar automatically moves between the upper pillar and the lower pillar. Is inserted and installed.

[Brief description of drawings]

FIG. 1 is an overall side sectional view of a canopy to which a method for constructing a columnar structure of the present invention is applied.

FIG. 2 is a view on arrow II in FIG.

FIG. 3 is a construction process diagram of the foundation portion.

FIG. 4 is a detailed sectional view of a base portion.

[Fig. 5] Fig. 5 is a view showing a process of mounting and installing a roof portion.

FIG. 6 is an enlarged view of a joint portion.

7 is a view taken along the line VII-VII in FIG.

FIG. 8 is a process diagram showing an installation state of a center pillar.

FIG. 9 is a diagram showing a vertically extending state of the center pillar.

10 is an X-ray arrow view of FIG.

FIG. 11 is a detailed view of a hanging plate.

FIG. 12 is another aspect view showing a suspended state of the center pillar.

FIG. 13 is a view showing another embodiment of the method for constructing the columnar structure of the present invention.

[Explanation of symbols]

K ... pillar structure (canopy), 1 ... foundation part, 2 ... pillar part, 2A ... lower pillar, 2B ... upper pillar, 2C ... middle pillar, 2D ...
Temporary column base, 3 ... Roof part, 13 ... Erection piece, 1
7 ... Connection plate, 25 ... Hanging plate, 27 ... Hanging bolt

 ─────────────────────────────────────────────────── ─── Continuation of the front page (72) Inventor Yukinobu Otani 3-5-5 Higashiyama, Meguro-ku, Tokyo Within Nikken Kogyo Co., Ltd. (72) Inventor Hiroshi Hanada 3-5-5 Higashiyama, Meguro-ku, Tokyo Nikken Kogyo Co., Ltd.

Claims (3)

[Claims] 1. A structure in which a pillar member supports a load of an upper layer structure, wherein the pillar member has a lower pillar connected to the lower layer structure, an upper pillar connected to the upper layer structure, and between the lower pillar and the upper pillar. Adopting a joint pillar structure with the intermediate pillar to be inserted, the building is temporarily constructed with the middle pillar removed, and then the middle pillar is attached to the lower end of the upper pillar so that it can be suspended. An upper layer structure including the upper pillar is lifted by an upper device, and each joint is fixed in a state in which the middle pillar is located between the upper pillar and the lower pillar, and the pillar structure is characterized in that How to build. 2. The provisional construction according to claim 1, wherein the pillar portion has a connecting plate fixed between the erection pieces attached to the end portions of the upper pillar and the lower pillar, and
A method for constructing a pillar structure, comprising suspending a middle pillar with a pin on those erection pieces. 3. A structure in which a pillar member supports a load of an upper layer structure, wherein the pillar member includes an erection column connected to the lower layer structure, an upper column connected to the upper layer structure, and between the erection column and the upper column. Adopting a joint pillar structure with the intermediate pillar to be inserted, the building is temporarily constructed with the middle pillar removed, and then the middle pillar is attached to the lower end of the upper pillar so that it can be suspended. The upper device lifts the upper layer structure including the upper column until the middle column exceeds the erection column, and after removing the erection column, the middle column is located between the upper column and the lower layer structure. A method for constructing a columnar structure, characterized in that the joint portion is fixed in a state.