JPH07127310A - Method of installation construction of columnar structure - Google Patents

Abstract

PURPOSE:To easily carry out the installation operation of a columnar structure onto a footing sill. CONSTITUTION:The guide anchor bolt 12' of a footing sill 10 is inserted into one bolthole 4 of distillation columns I, the distillation columns 1 are turned while using the guide anchor bolt 12' as an axis, and each anchor bolt 12 of the footing sill is fitted into each bolthole 4 of the distillation columns 1 respectively. The guide anchor bolts 22', 22'' of a footing sill 20 are fitted into a plurality of boltholes 4 in the distillation columns 1 respectively, and each anchor bolt 12 of the footing sill 20 is inserted into each bolthole 4 of the distillation columns 1 respectively.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a method of installing a columnar structure, and more specifically, to a large number of anchor bolts provided on a foundation foundation in a large number of bolt holes formed in the columnar structure. The present invention relates to an installation method for fitting and fastening a columnar structure to a foundation.

[0002]

2. Description of the Related Art For example, in constructing a petroleum refining chemical plant, when various columnar structures such as a distillation column are installed, a large number of anchor bolts are provided on the foundation base while the base of the distillation column is installed. After forming a large number of bolt holes corresponding to the above anchor bolts, hoisting the distillation column by crane work and inserting each anchor bolt into each of the above bolt holes, then screwing a nut onto the above anchor bolts. By tightening, the distillation column is fixed to the foundation base and installed at a predetermined position.

[0003]

By the way, in the conventional installation method as described above, when the distillation column is seated on the foundation, a large number of anchor bolts and bolt holes must be aligned at all positions at the same time. There is
For this reason, the positioning of the distillation column with respect to the foundation base requires careful and skilled work, resulting in the inconvenience of requiring a great deal of work time. The present invention has been made in view of the above circumstances, and an object of the present invention is to provide a method for installing a columnar structure that can easily perform an operation of installing a columnar structure on a foundation.

[0004]

According to the present invention, one of a large number of anchor bolts on a foundation is formed longer than the other anchor bolts so that a large number of bolt holes in a columnar structure can be formed. After inserting the long-formed anchor bolt into one of them, the pillar-shaped structure is turned around the long-formed anchor bolt as an axis, and the anchor bolts of the foundation foundation are respectively inserted into the bolt holes of the pillar-shaped structure. It is fitted. Further, in the present invention, two or more anchor bolts forming a part of a large number of anchor bolts on the foundation are formed long, and the plurality of long bolts are formed in the plurality of bolt holes in the columnar structure. After fitting the anchor bolts, the anchor bolts of the foundation are fitted in the bolt holes of the columnar structure.

[0005]

According to the above construction, since it is not necessary to simultaneously match a large number of anchor bolts and bolt holes at all positions at the same time, it is possible to easily install the columnar structure on the foundation. .

[0006]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS The present invention will be described in detail below with reference to the drawings showing one embodiment. 1 to 3 show an example in which a columnar structure installation method according to the present invention is applied when a distillation column as a columnar structure is installed during the construction of a petroleum refining chemical plant.

As clearly shown in FIG. 2, a distillation column 1 as a columnar structure has a column main body 2 extending in a vertical direction.
And has a flange 3 as a base formed at the lower end of the tower body 2, and the flange 3 further has bolt holes vertically penetrating at a total of 16 positions along the entire circumference thereof. 4, 4 ... Are formed so as to penetrate at equal intervals.

Further, as shown in FIG. 2, the foundation base 10 is
It has a base 11 laid at a predetermined place in the construction site, and 15 anchor bolts 12 and 15 are provided on the upper surface of the base 11 at positions corresponding to the bolt holes 4, 4 ... In the distillation column 1. One guide anchor bolt 1
2'is planted in such a manner as to project upward.

The length of each of the 15 anchor bolts 12 is set so that the upper ends of the anchor bolts 12 occupy the same height as each other.
The length of 2'is set to be longer than each of the anchor bolts 12, so that the upper portion of the one guide anchor bolt 12 'is located above the upper end portion of each anchor bolt 12. Have been occupied by.

A protective cap (not shown) may be fitted to each of the anchor bolts 12 and the guide anchor bolts 12 'in order to prevent the threads from being damaged during the installation work described later. .

As shown in FIG. 1, when installing a distillation column 1 as a columnar structure on a foundation foundation 10 laid at a predetermined location in a construction site, first, the distillation column 1 is lifted by a crane 30 to form a foundation. It is moved to the vicinity of the base 10.

At this time, the distillation column 1 is vertically suspended by the boom 31 of the crane 30 through the winch wire 32, and is located above the foundation base 10 in the crane 3.
A position close to 0, specifically, the distillation column 1 is the foundation base 10
And the crane 30 are occupied, and the flange 3 of the distillation column 1 is moved to a position where a part of the flange 3 covers the upper area of the base 11 of the foundation base 10.

Next, the distillation column 1 is finely moved by an operator's manual operation, and one of the 16 bolt holes 4 formed in the flange 3 of the distillation column 1 is connected to one guide anchor on the foundation base 10. After matching with the bolt 12 ', the winch wire 33 is fed out to lower the distillation column 1, and the guide anchor bolt 12' is inserted into the bolt hole 4 as shown by a solid line in FIG.

After inserting the guide anchor bolt 12 'into the bolt hole 4 of the distillation column 1, the boom 3 of the crane 30 is inserted.
1 is gradually tilted from the solid line position in FIG. 1 to the chain line position, and the distillation column 1 is guided by the guide anchor bolt 1 of the foundation base 10 as shown by an arrow R in FIG.
It is swiveled around 2'as a central axis.

At this time, the boom 3 in the crane 30
By gradually winding up the winch wire 32 in accordance with the tilting movement of No. 1, the distillation column 1 moves from the solid line position in FIG. 1 to the chain line position without changing the height position to center the guide anchor bolt 12 '. It will be pivotally moved as an axis.

The distillation tower 1 is rotated to move the foundation base 1
No. 0 anchor bolts 12, 12 ... and distillation column 1
After matching the respective bolt holes 4, 4, ... In Fig. 3, the winch wire 33 is fed out to lower the distillation column 1,
By inserting the anchor bolts 12, 12, ... Into the bolt holes 4, 4, ... As shown in (b), the distillation column 1 is seated on the base 11 of the foundation base 10.

Here, the guide anchor bolt 12 '.
By rotating the distillation column 1 about the center axis,
Inevitably, the anchor bolts 12, 12 of the foundation 10 are ...
, And the bolt holes 4, 4, ... Of the distillation column 1 coincide with each other at a time, and thus the installation work of the distillation column 1 on the foundation 10 can be performed very easily.

The distillation column 1 is installed on the base 11 of the foundation base 10 described above.
After the seats have been seated, bolts (not shown) are screwed onto the anchor bolts 12, 12 ... And the guide anchor bolts 12 ', respectively, so that the distillation column 1 can be installed on the foundation base 10. Complete.

By the way, it is well known that the hoisting ability of a crane decreases with an increase in working radius in relation to the strength and stability of the crane. However, in the above-mentioned installation method, the guide anchor which takes the longest time is required. Positioning and fitting work between the bolt 12 'and the bolt hole 4 is performed with the boom 31 raised as shown by the solid line in FIG. 1, so that the crane 30 has a large total rated load and good stability. Will be things.

In the installation method described above, the foundation base 1
Since the guide anchor bolt 12 'and the bolt hole 4 are positioned and fitted at a position closer to the crane 30 side than 0, the crane 30 cannot be brought closer to the foundation 10 for a certain distance or more. This is a particularly effective construction method on site.

The distillation column 1 shown in FIG.
Is the same as the distillation column 1 shown in FIG. 1, and has a column main body 2 and a flange (base) 3, and the flange 3 has bolt holes 4, 4 ... There is.

On the other hand, the foundation base 20 has a base 21 laid inside the construction site, and 13 bases are provided on the upper surface of the base 21 at positions corresponding to the bolt holes 4, 4 ... Of the distillation column 1. The anchor bolt 22 and the three guide anchor bolts 22 ', 22 ", 22" are planted in such a manner as to respectively project upward.

While the 13 anchor bolts 22 are set to have the same length as each other, the three guide anchor bolts 22 ', 22 ", 22" are longer than the anchor bolts 22 in length. The guide anchor bolts 22 ″ and 22 ″ are set to be long, and the guide anchor bolts 22 ″ and 22 ″ are set to have the same length as each other. Is set even longer than.

When the distillation column 1 having a columnar structure is installed on the foundation base 20 having the above-mentioned structure, first, the distillation column 1 is lifted by the crane 30, and the distillation column 1 is directly above the foundation base 20. Roughly aligns the base 20 and the distillation column 1 and moves the flange 3 of the distillation column 1 to a position where the flange 3 of the distillation column 1 covers the upper region of the base 21 on the base 20.

Next, after the longest guide anchor bolt 22 'on the foundation 20 and the bolt hole 4 of the distillation column 1 are aligned with each other, the distillation column 1 is lowered by a crane operation to attach the guide anchor bolt 22' to the bolt hole. Penetrate into 4.

Next, after the pair of guide anchor bolts 22 ", 22" on the base 20 and the bolt holes 4, 4 of the distillation column 1 are aligned with each other, the distillation column 1 is lowered to guide the guide anchor bolts 22 ". , 22 ″ are inserted into the bolt holes 4 and 4, and further, the anchor bolts 22 and 22 ... In the foundation base 20 are inserted into the bolt holes 4 and 4 ... Sit on the base 21 of 20.

Here, the plurality of guide anchor bolts 22 ', 22 ", 22" are inserted into the corresponding bolt holes 4 so that the distillation column 1 can have the guide anchor bolts 22', 22 ". The anchor bolts 2 of the foundation base 20 are guided by the ", 22" and descend.
2 and 2 penetrate into the bolt holes 4, 4 ... Of the distillation tower 1, and the exact alignment work of the distillation tower 1 with respect to the foundation 20 is performed by the guide anchor bolts 2 described above.
It suffices to carry out only between 2 ′, 22 ″, 22 ″ and each bolt hole 4, so that the installation work of the distillation column 1 on the foundation 20 can be carried out very easily.

Further, although the above-mentioned foundation base 20 has the guide anchor bolts 22 'and the pair of guide anchor bolts 22 ", 22", the respective guide anchor bolts should be set to have the same length. Further, it is also possible to replace the guide anchor bolts 22 ′ with the anchor bolts 22 and use only a pair of guide anchor bolts 22 ″, 22 ″. As long as the two or more constituent anchor bolts are long as guide anchor bolts, various modes can be adopted according to the scale and shape of the distillation column.

The distillation tower 1 is installed on the base 21 of the foundation 20.
, And the guide anchor bolts 22 ′, 22 ″, 22 ″,
The operation of installing the distillation column 1 on the foundation 20 is completed by screwing and tightening bolts (not shown).

The method of installing the columnar structure according to the present invention is applicable not only to the installation work of the distillation column in the petroleum refining chemical plant shown in the examples but also to various plants such as LNG (liquefied natural gas) and general chemistry. It is needless to say that the present invention can be effectively applied when installing various columnar structures even when the storage tank and the heat exchanger are installed at the time of installation, and also when not constructing various plants. Yes.

[0031]

As described above in detail, in the method of installing the columnar structure according to the present invention, one of the many anchor bolts on the foundation is formed longer than the other anchor bolts. Every time, after inserting the long-formed anchor bolt into one of a large number of bolt holes in the pillar-shaped structure, the pillar-shaped structure is turned around the long-formed anchor bolt as an axis, and each of the foundation foundations is rotated. The anchor bolt is fitted into each bolt hole of the columnar structure. In addition, in the method of installing a columnar structure according to the present invention, two or more anchor bolts that form a part of a large number of anchor bolts in the foundation are formed long, and the plurality of bolts in the columnar structure are formed. After the plurality of long-formed anchor bolts are fitted in the holes, the anchor bolts of the foundation are fitted in the bolt holes of the columnar structure. In any of the above-mentioned configurations, it is not necessary to simultaneously match a large number of anchor bolts and bolt holes at all locations at the same time, and according to the method for installing a columnar structure according to the present invention, the foundation foundation It becomes possible to easily carry out the installation work of the columnar structure with respect to.

[Brief description of drawings]

FIG. 1 is a conceptual diagram showing a method of installing a columnar structure according to the present invention.

FIG. 2 is an overall perspective view of a foundation and a columnar structure showing a mode of installation work.

3 (a) and 3 (b) are plan views conceptually showing a method of installing a columnar structure in the present invention.

FIG. 4 is an overall perspective view of a foundation and a columnar structure showing a mode of installation work.

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 1 ... Distillation tower (columnar structure), 2 ... Tower main body, 3 ... Flange (base), 4 ... Bolt hole, 10, 20 ... Foundation base, 11, 21 ... Base, 12, 22 ... Anchor bolt, 12 ' , 22 ', 22 "... Guide anchor bolt, 30 ... Crane, 31 ... Boom, 32 ... Winch wire.

Claims (2)

[Claims] 1. A columnar structure for fastening a plurality of anchor bolts on a foundation to a plurality of bolt holes provided in a base of the columnar structure to fasten the columnar structure to the foundation. A method for installing an object, wherein one of the bolt holes in the columnar structure is inserted into the anchor bolt, which is formed long in the foundation, and then only one columnar structure is formed long. A method for installing a columnar structure, wherein the anchor bolt is rotated about the axis, and each anchor bolt in the foundation is fitted into each bolt hole in the columnar structure. 2. A columnar structure for fastening a plurality of anchor bolts on a foundation to a plurality of bolt holes provided on a base of the columnar structure to fasten the columnar structure to the foundation. A method of installing an object, wherein two or more anchor bolts forming a part of a large number of anchor bolts in the foundation base are formed long, and a plurality of bolt holes are formed long in the plurality of bolt holes in the columnar structure. A method for installing a columnar structure, comprising fitting the anchor bolts of a book respectively, and then fitting the anchor bolts of the foundation base into the bolt holes of the columnar structure.