JPH1037472A - How to lift a structure - Google Patents

Abstract

(57) [Summary] [Problem] To raise a structure economically, safely and efficiently. SOLUTION: As shown in FIG. 1 (A), two push-up columns 34 are vertically arranged at the center of four columns 16 on a base 14, and a frame body 10 forming a membrane roof is provided at the top thereof. Is disposed to support the membrane roof. A guide frame (not shown) slidably attached to a pillar (not shown) to support the membrane roof is fixed to the side of the lower end 36 of the frame 10. When the jacks 18, 20 (22, 24) are raised, the balance beams 27, 2 attached to the lower end of each jack are raised.
9. The frame 10 is pushed up through the kansashi girder 28 inserted into the push-up support 34 and the push-up support 34, and the membrane roof rises to the state shown in FIG. 1 (B). Then Fig. 1 (C)
As described above, another push-up support 34 is inserted under the raised push-up support 34, the jack is lowered, the kansashi girder 28 is mounted, the state shown in FIG. 1 (E) is reached, and the same steps are repeated.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a method for moving a structure such as a large roof upward when the structure is constructed by a lift-up method.

[0002]

2. Description of the Related Art For example, when a large roof having a large area is assembled on the ground in advance and then lifted up to a predetermined height, the following method has conventionally been adopted. (1) A skeleton that supports the roof is constructed in advance, a jack or the like is attached to the top of the skeleton, and the roof is jacked up through an iron cable or steel material and fixed to the skeleton. (2) First, a pillar for supporting the roof is erected, and the roof is pulled up with a jack or the like as a fixing device for lifting, and fixed to the top of the pillar. (3) A temporary gantry or turret is set up, and the roof is pulled up with a jack as a fixing device or guide, and fixed to a pre-constructed pillar. Is fixed.

[0003]

However, in the above methods (1) and (2), the peripheral body and the pillars themselves are fixed to jacks or the like, and the jacks or the like are fixed to the upper portion of the devices, and the roof is lifted. , Jacks and the like are installed at high places, which is inferior in safety. In addition, the peripheral frame and columns must be designed with due consideration for fixing devices such as jacks, which is disadvantageous in terms of economy. In the above method (3), a temporary guide is constructed together with the jack fixing device, so that the cost is significantly increased and the construction period is further increased. The present invention has been made in order to solve such a drawback, and an object thereof is to provide a structure lift-up method capable of moving a structure portion upward economically, safely, and efficiently. It is in.

[0004]

SUMMARY OF THE INVENTION In order to achieve the above object, the present invention is a method for moving a structural portion supported at a predetermined height by a column upward, the method comprising: Slidable guide frame, the guide frame is fixed to the structure portion, a push-up strut is interposed below the structure portion, and the push-up strut is jacked up together with the structure portion by a jack, Adding another push-up strut below the push-up strut raised by the jack, raising the joined push-up strut with the jack, and re-adding the push-up strut until the structure portion reaches a predetermined height; And a step of jacking up the added push-up strut with a jack.

The present invention is also characterized in that the structural part is a roof. The present invention is also characterized in that a plurality of the columns are provided, and a step of adding the push-up columns and a step of jacking up the columns at positions of the columns are repeatedly performed. The present invention is also characterized in that the push-up support is raised by the jack through a girder member penetrating the push-up support in a direction perpendicular to the direction in which the push-up support extends.

According to the present invention, the pillar is one of a plurality of pillars forming a set pillar, and the other pillars forming the set pillar are constructed when the structure is raised by the jack. It is characterized by doing.

In the method for lifting up a structure according to the present invention,
The jack may be installed, for example, near the base of the pillar, and does not need to be fixed to the peripheral frame or the top of the pillar as in the related art. In addition, since the peripheral frame and the columns themselves are not used as the jack fixing device, there is no need to design them with particularly high strength.
Furthermore, since a guide frame is attached to the main pillar and the pillar is used as a guide, there is no need to separately construct a temporary guide.

[0008]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS Next, embodiments of the present invention will be described with reference to the drawings. FIG. 1 is a process diagram showing one embodiment of a structure lift-up method according to the present invention, FIG. 2A is a side view showing a lift-up mechanism used in this embodiment, and FIG.
Is a side view having different viewing directions, (C) is a plan view, (D) is a more detailed plan view of a main part, FIG. 3 is a plan view showing a relationship between a lower end portion of the frame body and a column, and FIG. FIG. 5 is a side view showing the relationship between the lower end of the body and the pillar, and FIG. 5 is a side view showing the relationship between the main part of the lower end of the frame and the pillar. FIG. 6 is a sectional side view showing a membrane roof constructed by a lift-up method in the present embodiment.
FIG. 2 is a plan view showing a structure provided with the membrane roof.

The structure 2 shown in FIG. 7 is, for example, a multipurpose stadium, and its roof is formed by injecting air between two membranes 4 arranged vertically as shown in FIG. The membrane roof 6 is supported at a height of, for example, 30 m or more above the ground by a plurality of columns 8 erected around the stadium. The outer periphery of the membrane roof 6 is formed by a frame body 10 arranged in a circular shape in a plan view, and the membrane roof 6 is supported by arranging the lower end of the frame body 10 on the top of the post 8.
The membrane roof 6 is pre-assembled on the ground, and then lifted to the top of the column 8 and fixed using a lift-up mechanism according to the lift-up method of the structure of the present invention, as described below.

In this embodiment, the pillar 8 is composed of three pillars.
At the stage of raising the membrane roof 6, one of the pillars 32
Only the vertical stands. The other two pillars 40 are constructed by adding pillar components 42 while raising the membrane roof 6, and the two pillars thus constructed gradually approach the pillar 32 as they reach the top. It is provided so as to be inclined. In this embodiment, the roof is composed of columns 8 as described above.
Needless to say, the present invention is not limited to the braided columns 8, and the present invention is also effective when one part of the roof is supported by one pillar. In such a case, it is unnecessary to construct the other two pillars together with the rise of the membrane roof 6.

Next, a lift-up mechanism used in this embodiment will be described with reference to FIG. The lift-up mechanism 12 is disposed at each of the columns 8 shown in FIG. 7, and includes a base 14, a support 16, and four bear lock jacks 18, 20, 22, 24 (hereinafter simply referred to as jacks). 1
8, 20, 22, 24), guide frame 2
6, and a kansashi girder 28 (a girder member according to the present invention).

The base 14 is provided at the base of the column 8 and is shown in FIG.
As shown in (C) and (D) of FIG.
Numerals 6 surround the center of the column 8 and are erected at the four corners of the virtual rectangle in the plan view. A pair of horizontal beams 3 is provided at the top of two adjacent columns 16 that are closely spaced.
0 and 2 on each of its horizontal beams 30
Table jacks 18, 20 and jacks 22, 24
Are disposed at positions equidistant from the center of the horizontal beam 30. The lower ends of the jacks 18 and 22 and the jacks 20 and 24 disposed on different horizontal beams 30 are balanced beams 27 and 29 extending horizontally.
Are connected to each other.

One pillar 32 of the three pillars constituting the assembled pillar 8 is constructed vertically to the top, and this pillar 32 is
It is used as a guide when raising the membrane roof 6. A guide frame 26 slidable in the vertical direction along the column 32 is fitted to the column 32, and as shown in FIGS.
The guide frame 26 is connected to the lower end 36 of the frame body 10, and the guide frame 26
Guide plates 2604 urged inward by
These guide plates 2604 are slidably abutted on the columns 32. The four columns 16 are arranged so as to include at least the column 32 inside, and such that one pair of horizontal beams 30 is close to the column 32.

Next, with reference to FIG. 1, the process of raising the membrane roof 6 using the lift-up mechanism 12 will be described. First, as shown in FIG.
At the center of the four columns 16, two lifting columns 3
4 are arranged vertically one above the other, and the lower end 36 of the frame 10 forming the membrane roof 6 is arranged on the top thereof to support the membrane roof 6. The two lifting columns 34 are connected to each other by bolts and nuts via flanges provided at respective ends. In addition, the lower end 36 of the frame body 10 and the lifting support 3
4 is also connected via a flange.

As shown in FIG. 2A, the guide frame 26 has a frame 10 on the side of the base 14 at the center side.
To the lower end 36 of A horizontal through hole 38 is formed in the middle of each push-up support 34, and the kansashi girder 28 is inserted into the through-hole 38 of the lower push-up support 34. 28
It is arranged on two balance beams 27 and 29. In this state, the four jacks 18, 20, 2,
2, 24 are raised. Thereby, the balance beams 27 and 29 attached to the lower end of each jack are connected to the jack 1.
8, 20, 22, 24, and thus the spar 28 is pushed upward by these balance beams 27, 29. As a result, the lifting support 34
Rises, the frame body 10 is pushed up, and the membrane roof 6 rises, and the state shown in FIG. When the membrane roof 6 rises, the frame body 10 is fixed to the guide frame 26, so that the frame body 10 rises stably while keeping the horizontal positional relationship with the column 32 constant.

Next, as shown in FIG. 1C, another push-up strut 34 is inserted and arranged below the push-up strut 34 that has been raised together with the kansashi girder 28, and is inserted into the upper push-up strut 34 via a flange. connect. Then, FIG.
After releasing the reaction force of the jacks 18, 20, 22, 24 as shown in FIG.
8, 20, 22, and 24 are lowered and rearranged to obtain the state shown in FIG. Here, the kansashi girder 28 is again inserted into the through hole 38 of the push-up support 34 at the lowermost end, and both ends of the kansashi girder 28 are connected to the two balance beams 27 and 29.
On top of. And again, jacks 18, 20,
22 and 24 are raised, and the frame 10 of the membrane roof 6 is raised via the balance beams 27 and 29, the kansashi girder 28 and the push-up support 34. Thereafter, by repeating such a process, the membrane roof 6 can be raised along the column 32 to the top of the column 32 to which the membrane roof 6 is to be fixed.

As described above, in this embodiment, since the jack is always located near the base of the column 8, the safety is extremely high as compared with the conventional case where the jack is fixed to the peripheral frame or the upper part of the column. In addition, since the peripheral frame and the pillar are not used as the fixing device of the jack, it is not necessary to design them with high strength, which is advantageous in terms of economy. Furthermore, since the main pillar 32 is used as a guide, there is no need to separately construct a temporary guide, and costs and time can be reduced.

In this embodiment, as described above, the construction of the remaining two pillars is performed together with the lifting operation of the membrane roof 6. That is, as shown in FIGS. 2A and 2B and FIG. 8A, only the lower part of the two pillars 40 is formed out of the three pillars constituting the assembled pillar 8, Unfinished. These pillars 40 are at the stage where the lower end 36 of the frame 10 of the membrane roof 6 has risen to near the upper end of the pillar 40,
As shown in FIG. 8 (B), the upper component members 42 are added and connected appropriately to the columns 32 to form a grouped column. In this way, by constructing the two columns 40 in the post 8 later, the columns 40 do not hinder the rising of the membrane roof 6,
Lift-up of the membrane roof 6 can be performed smoothly.

In the present embodiment, the object of the lift-up method is the roof, but this is merely an example, and the present invention is effective for various structures other than the roof, especially for large structures. It is.

[0020]

As described above, the present invention relates to a method for moving a structure portion supported at a predetermined height by a column upward, wherein the column is slidable along the column. A guide frame was provided, the guide frame was fixed to the structure portion, a push-up column was interposed below the structure portion, the push-up column was jacked up with the structure portion, and the jack was raised with the jack. Adding another push-up strut under the push-up strut, raising the extended push-up strut with the jack, and extending the push-up strut until the structure portion reaches a predetermined height; and And the step of jacking up with a jack is repeated.

Therefore, in the method for lifting up a structure according to the present invention, the jack may be installed, for example, near the base of the column, which is much safer than the conventional case where the jack is fixed to the peripheral frame or the top of the column. High in nature. In addition, since the peripheral frame and the pillars themselves are not used as the jack fixing device, it is not necessary to design them with high strength, which is advantageous in terms of economy. In addition, since the main pillar is used as a guide,
There is no need to separately build a temporary guide, and costs and time can be reduced.

[Brief description of the drawings]

FIG. 1 is a process chart showing an embodiment of a structure lift-up method according to the present invention.

2A is a side view showing a lift-up mechanism used in the present embodiment, FIG. 2B is a side view in a different viewing direction, and FIG.
Is a plan view, and (D) is a more detailed plan view of a main part.

FIG. 3 is a plan view showing a relationship between a lower end portion of a frame body and a pillar.

FIG. 4 is a side view showing the relationship between the lower end of the frame and the pillar.

FIG. 5 is a side view showing a relationship between a main part of a lower end portion of the frame and a pillar.

FIG. 6 is a plan view showing a membrane roof constructed by a lift-up method in this embodiment.

FIG. 7 is a sectional side view showing a structure having a membrane roof.

FIG. 8 is an explanatory view showing the construction of a pillar.

[Explanation of symbols]

DESCRIPTION OF SYMBOLS 2 Structure 4 Membrane 6 Membrane roof 8 Assembled column 10 Frame 12 Lift-up mechanism 14 Base 16 Prop 18, 20, 22, 24 Bear lock jack (jack) 26 Guide frame 27, 29 Balance beam 28 Kansashi girder 30 Horizontal beam 32, 40 pillars 34 Push-up pillars

Claims (5)

[Claims] 1. A method of moving a structure portion supported at a predetermined height by a column upward, comprising: providing a guide frame slidable along the column on the column; Fixed to the structure portion, interposed a push-up strut below the structure portion, lift the push-up strut together with the structure portion with the jack, and push another push-up under the push-up strut raised by the jack Adding a support, raising the added push-up support with the jack, repeating the step of adding the push-up support and the step of jacking up the added push-up support until the structure portion reaches a predetermined height. A method for lifting up a structure, characterized in that: 2. The method of lifting a structure according to claim 1, wherein the structure portion is a roof. 3. The method for lifting up a structure according to claim 1, wherein a plurality of the pillars are provided, and a step of adding the push-up pillars and a step of lifting the jacks at the positions of the pillars are repeatedly performed. 4. The structure according to claim 1, wherein the push-up strut is raised by the jack through a girder member penetrating the push-up strut in a direction orthogonal to the extending direction of the push-up strut. Lift up method. 5. The pillar according to claim 1, wherein the pillar is one of a plurality of pillars constituting the group pillar, and the other pillar constituting the group pillar is constructed when the structure is raised by the jack. 1
5. The method for lifting up a structure according to any one of Items 4 to 4.