JP2945917B2 - Construction method of large space building - Google Patents

Description

The present invention relates to a method for constructing a large space building such as a gymnasium, a hangar, and a warehouse.

[Prior Art] Conventionally, as a method of constructing this kind of large space building, there is an eighth method.
As shown in FIGS. (A) to (E), A. Standing pillars 9 are erected at predetermined positions in the building, B. Temporary pillars 10 are assembled between the pillars 9, C. Truss frame roof on erection column 9 and temporary column 10
D. Jacking down the jack 12 on the temporary pillar 11 and jacking down the temporary pillar
10) is separated from the temporary pillar 11, the temporary pillar 11 is received by the main pillar 9 from the virtual line state to the solid line state, and E. The temporary pillar 11 is dismantled and removed to complete a large space building, or As shown in FIGS. 9 (A) to 9 (E), A. First, a temporary column 13 is assembled, B. A truss frame roof 14 is assembled on the ground, and C. The truss frame roof 14 is mounted on the erected column 13. D. Lift up with the lift-up jack 15 and D. After the main pillar 16 is erected below the lifted truss frame roof 14, the truss frame roof 14 is lifted down and fixed on the main pillar 16. E. The temporary pillars 13 were dismantled and removed to complete the large space building.

[Problems to be Solved by the Invention] However, the jack-down method, which is the former method of constructing a large space building, is not only dangerous work but also requires a long construction time because the truss frame roof is assembled at a high place. On the other hand, the latter lift-up method has a problem that the construction column is large in scale to support the full load of the roof of the truss frame, and there is much waste in terms of construction period and construction cost. There was a point.

The present invention has been made in order to solve the above-mentioned conventional problems, and the object thereof is to reduce the construction cost by reducing the size of the temporary pillars and shorten the construction period,
An object of the present invention is to provide a method for constructing a large-sized building capable of improving safety and quality control.

[Means for Solving the Problems] According to the method of constructing a large space building of the present invention, a permanent pillar erected at an appropriate position in a building is reinforced by a temporary reinforcing column via a support jack, and the permanent pillar is reinforced. The truss frame roof assembled on the ground is lifted up by the lift-up jack attached to the top and fixedly erected on the head of the main column, and after the erection is completed, the above support jack is jacked down to reinforce from the main column The temporary pillar is separated, and the reinforcing temporary pillar is dismantled and removed.

If necessary, a temporary lifting column is temporarily provided between the main columns, and a lifting jack attached to the top of the temporary column is used to assist the above-described lifting operation of the truss frame roof.

Hereinafter, an embodiment of the present invention will be described with reference to the drawings.

In FIG. 1, reference numeral 1 denotes a main pillar, which is erected at four corners of a building to be constructed. Although the main pillar 1 of the present embodiment is a truss pillar, the present invention is not limited to this, and may be any of a steel pillar such as a steel pillar, a plate pillar, a reinforced concrete pillar, or a steel reinforced concrete pillar.

Reference numeral 2 denotes a temporary reinforcing column, which reinforces the main column 1 via a support jack 3 as is apparent from FIG.

A lift-up jack 4 is attached to the top of the main pillar 1.

Reference numeral 5 denotes a temporary lifting column, which is installed at an intermediate position of the main column 1 as necessary. As shown in FIG. 3, a lift-up jack 6 is attached to the top of the temporary lift-up column 5.

After or along with the construction of the main pillar 1 and the temporary pillars 2 and 5, as shown in FIG. 4, the truss frame roof 7 is assembled on the ground. The truss frame roof 7
Has a three-dimensional truss structure, as is clear from FIG. 5, but may be any structure as long as it can sufficiently withstand a large span frame, and is not limited thereto.

When the framing of the truss frame roof 7 is completed, the lifting wires 8 suspended from the lift-up jacks 4
Of the truss frame roof 7 is lifted up by the lift-up jack 4.

As shown in FIG. 6, when the truss frame roof 7 is lifted up and fixed to the head of the main column 1, the main column 1 and the truss frame roof 7 are integrated as a large space frame building. Is done.

When the main pillar 1 and the truss frame roof 7 are integrated, the support jack 3 that reinforces and supports the main pillar 1 is jacked down, the temporary reinforcing pillar 2 is separated from the main pillar 1, and the truss frame The entire load on the roof 7 is transferred to the main pillar 1.

The transfer of the load at the time of the permanent installation from the state at the time of the temporary installation is performed in two steps so that the load can be smoothly transmitted.
A method of releasing the lift-up jack 4 and then jacking down the support jack 3 and, conversely, a method of supporting the jack 3
And then releasing the lift-up jack 4, any method may be used.

Subsequently, the temporary pillars 2 for reinforcement separated from the main pillars 1 are dismantled and removed, and at the same time, the temporary pillars 5 for lift-up are also dismantled and removed, thereby constructing a large space building as shown in FIG.

[Effects of the Invention] 1) Main pillars are mainly used as lift-up pillars, and temporary pillars are reinforced for use as auxiliary pillars, so that temporary pillars can be reduced in size. At the same time, assembling and dismantling of the temporary columns are simplified, so that the construction cost can be reduced and the construction period can be shortened.

2) Since the truss frame roof is assembled on the ground, work in high places is reduced, and work safety can be ensured especially in strong winds.

3) Since an excessive load is not applied to the temporary column, the foundation of the temporary column can be simplified, and only the foundation of the permanent column needs to be considered in the design.

4) The load is transmitted in two steps, and safety and accuracy can be confirmed without transmitting a large load at once.

5) Since the state at the time of the permanent installation and the stress state at the time of the temporary installation are substantially similar, the number of the steel trusses provided at the time of permanent installation can be reduced.

[Brief description of the drawings]

1 is a construction explanatory view showing a construction state of a permanent pillar and a reinforcing temporary pillar, FIG. 2 is a perspective view showing a reinforcement state of the permanent pillar by a reinforcing temporary pillar, and FIG. 3 is a temporary lifting pillar. Perspective view of the
Fig. 4 is a construction explanatory view showing the trussed roof structure, Fig. 5 is a plan view of Fig. 4, Fig. 6 is a construction explanatory view showing the lift-up state, and Fig. 7 is the construction of a large space building. FIGS. 8 (A) to (E) and FIGS. 9 (A) to 9 (E) are side views showing the completed state, and are each an explanatory view of the construction of the conventional construction method. DESCRIPTION OF SYMBOLS 1 ... Main pillar, 2 ... Temporary column for reinforcement, 3 ... Support jack, 4 ... Jack for lift-up, 5 ... Temporary column for lift-up, 6 ... Jack for lift-up, 7 ... Truss Frame roof, 8 ... hanging wire.

────────────────────────────────────────────────── ─── Continuation of front page (72) Inventor Yoshiaki Hayashida 318 Tenjincho, Kamimaruko, Nakahara-ku, Kawasaki City, Kanagawa Prefecture (58) Fields investigated (Int.Cl. ⁶ , DB name) E04G 21/14 E04B 1/19

Claims (2)

(57) [Claims] 1. A truss which is erected at an appropriate position in a building by a temporary reinforcing column via a support jack and which is assembled on the ground by a lift-up jack attached to the top of the main column. Lift up the frame roof and fix it to the head of the main column, fix the support jack down after installation is completed, separate the temporary column for reinforcement from the main column, and dismantle and remove the temporary column for reinforcement. Construction method of large space building characterized by. 2. The lift-up work of a truss frame roof is assisted by temporarily installing a lift-up temporary pillar between the permanent pillars, and a lift-up jack attached to the top of the temporary pillar. The construction method of the large space building described.