JP2997843B2 - Construction method - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION (Field of Industrial Application) The present invention relates to a highly mechanized construction method.

(Prior art) Conventionally, after pillars are erected at the height of the final building, floor boards of each floor are manufactured on a predetermined floor, and each floor board is guided by a lifting device provided in advance on the capital of the pillars using the pillars as guides. The lift-up method is adopted in which the building is constructed by sequentially lifting the building to the upper floor.

(Problems to be Solved by the Invention) However, according to the above-mentioned conventional construction method, when the building becomes high-rise, it is not easy to fix the two-dimensional position of the columns, and the floor material lifting device is installed on the column capital and the lifting is performed. It is difficult to lift floorboards with the equipment.

The present invention has been proposed in view of the above-mentioned problems of the prior art, and an object thereof is to provide a construction method in which the construction of a high-rise building is mechanized and performed accurately.

(Means for Solving the Problems) In order to achieve the above-mentioned object, in the construction method according to the present invention, a horizontal connecting member is connected between column caps of columns arranged on a predetermined floor, and the same is lifted by a lifting device. The column at the top of the apparatus is raised to a predetermined height and built, and the pillars are used as guides to sequentially raise floor boards pre-manufactured at the predetermined floor and install them on each floor, so that the building blocks comprising a plurality of layers are sequentially raised upward. In the construction method to be built, by the lifting device installed on the floor of the lowest floor,
At the same time, the lowermost columns are raised simultaneously, and the lower columns are sequentially connected to the lower portions of the raised columns to build up a first skeleton block, and then the uppermost column of the first skeleton block The lifting device is moved upward, and the same process is repeated at the top of the first skeleton block to connect the second skeleton block to the first skeleton block by the same device. Is configured to be repeated.

(Operation) According to the present invention, the connecting members are connected between the column caps of the columns arranged on the predetermined floor, and the planar position between the columns is fixed, and the accuracy of the interval between the columns is improved. Hold and raise each column at the same time via a lifting device installed at the lower part of each column, temporarily support this raised position, and connect the lower column Raise the pillars together, repeat this work and build up to the predetermined height,
The pillars of the first building block consisting of the required level are constructed.

Next, similarly to the conventional lift-up method, the first skeleton block is constructed by sequentially assembling the floor plates, which have been manufactured in advance, using the pillars of the first skeleton block as guides and installing them on each floor.

Next, the lifting device is transferred to the top floor column of the first skeleton block, and the same steps are repeated by the lifting device, whereby the second skeleton block is placed on the first skeleton block. Then, by repeating the same steps as described above, a high-rise building of a required number of floors is constructed by mechanized construction.

(Examples) Hereinafter, the present invention will be described with reference to the illustrated examples.

After the root cutting (2) of the construction site (1) is performed, the foundation pile (3) is constructed (see FIG. 1 and FIG. 2), and the base slab (4) is cast (see FIG. 3). (See Fig. 4) Bottom plate (4)
A pillar (5) equipped with a lifting device (A) described below at the bottom is installed on the top. (See FIG. 5) Next, a connecting beam (6) constituting the horizontal connecting member is carried in between the columns (5), and a hydraulic jack (7) is mounted on the column head of each column (5) (see FIG. 6). (See FIG. 7), and the connecting beam (6) is lifted up by the same hydraulic jack (7) and connected between the column capitals. (See FIG. 8) Then, the lifting device (A) is operated to lift the column (5), and the column (5) is lifted (see FIG. 9). The lower pillar is connected to the lower end of) and both pillars are lifted together, and the pillar (5) is built to the required height. (See FIGS. 10 and 11.) At this time, since the column caps of the columns (5) are connected by the connecting members (6), the plane positions of the columns are fixed, and the accuracy of the column-to-column spacing is fixed. Is held.

FIGS. 30 to 32 show an embodiment of the lifting device (A), in which a frame (9) positioned on a base (8) fixed on a bottom plate (4) with a pillar (5) interposed therebetween. ), And a guide roller (10) of the column (5) is mounted inside each of the frames (9).

On the base (8), a column lifting hydraulic cylinder (11) is erected outside the frame (9), and a wire (12) having one end connected to a movable member of the cylinder (11).
A pulley (13) disposed outside the frame (9)
The other end is connected to an elevating table (14) on which a pillar (5) is mounted.

The frame (9) is provided with a supporting device receiving base (15), and the receiving base (15) has a locking claw (17) engaging and disengaging from a supporting opening (16) of the column (5). A locking claw guide (19) is mounted along with a cylinder (18) for moving the locking claw (17) forward and backward.

In order to lift the column (5) by the lifting device (A), the column lifting cylinder (11) is operated to raise the lifting table (14) via the wire (12), and the table (14) is lifted. 14) Lift the pillar (5) mounted above.

When the pillar (5) is lifted to a predetermined position, the locking claw (17) is advanced by the cylinder (18), and is engaged with the support opening (16) provided in the pillar (5). Support 5).

In this state, the hydraulic cylinder (11) is operated to return the lifting table (14) to the previous position, and the table (14)
The lower column (5 ') is placed on top and welded (w) to the upper column (5) supported by the locking claws (17), and both columns (5) (5) '), And the same operation as above is repeated, and the column (5) is raised while being connected.

When the pillar (5) is built up to a predetermined height as described above,
The floor plate (20) is carried in, and the floor plate (20) is lifted up by the hydraulic jack (7) at the capital of the column (see FIG. 12).
(See FIG. 13) The outer wall plate (21) is suspended from the floor plate (20), and the floor plate (20) with the outer wall plate (21) is lifted up to a predetermined position (see FIG. To (15th
In the same manner, the floor plate (20) with the outer wall plate (21) on each floor is sequentially lifted up (see FIG. 16), thus completing the construction of the block of the first frame. (See FIG. 17) Next, the lifting device (A) is moved onto the top floor column of the first building block (see FIG. 18), and then the first lifting device (A) is used for the first lifting device (A). A jack-up of the pillar (5) at the top of the building block is performed (see FIG. 19) to complete the construction of the pillar. (See FIG. 20) Next, the floor panel (20) is carried in, and the floor panel (20) is lifted up (see FIG. 21), and the outer panel (2) is lifted (see FIG. 22).
1) is suspended from the floor plate (20), and the floor plate (20) and the outer wall plate (21) are sequentially lifted up (see FIG. 23).
The floor plate (20) with the outer wall plate (21) is fixed to the pillar (5) at a predetermined floor in sequence (see FIG. 25), and the second skeleton block is connected to the upper portion of the first skeleton block. Touch
(See FIG. 26) Next, the construction of the third block of the uppermost layer was started in the same manner as above (see FIG. 27). Thereafter, the same steps were repeated and the construction of the whole body was completed. (7) is removed (see FIG. 28), and interior and exterior and other incidental works are performed to complete the construction of the building (B). (See FIG. 29) (Effects of the Invention) According to the present invention, as described above, a horizontal connecting member is connected between the column heads of columns erected on a predetermined floor, and the respective columns are installed on the predetermined floor. At the same time through the lifting device
The lower pillars are sequentially raised while being connected to the lower part of the raised pillars, and are built up to a predetermined height, and the horizontal position of the pillars is fixed by connecting the horizontal connecting member to the pillar caps, The accuracy of the column-to-column spacing can be maintained.

Thus, according to the present invention, as described above, after building up to a predetermined height while simultaneously connecting the columns at the same time, by using the columns as guides, the floor boards manufactured in advance are sequentially raised and installed on each floor. After the first building block having several layers as one unit is constructed, and the lifting device is moved to the top floor column in the block, the same process is repeated by the same device to form the second building block. Block the first
Therefore, according to the method of the present invention, all construction including pillars is performed on the ground, and it is necessary to raise the material. Since all the members can be assembled on the ground, it is advantageous in quality control such as accuracy.

In addition, since the construction is performed at a specific position, it is easy to mechanize, furthermore, it is easy to deal with sound, vibration, and the like, and the influence on the weather can be reduced. In addition, the weight of the pillars can be reduced, and the work efficiency and construction accuracy can be improved by a simple lifting device without using a tower crane.
As a result, construction costs can be reduced.

[Brief description of the drawings]

1 to 29 are front views showing steps of an embodiment of the construction method according to the present invention. FIG. 30 is a front view of a column lifting device.
FIG. 31 is a plan view thereof, and FIG. 32 is a longitudinal sectional view showing an engaging and disengaging device for the pillar of the pillar supporting locking claw. (6) ... connecting beam, (7) ... hydraulic jack, (9) ... frame, (10) ... guide roller, (11) ... hydraulic cylinder for column lifting, (12) ... wire, ( 13) Pulley, (14) Lifting table, (15) Bearing support, (16) Bearing opening, (17) Locking claw, (18) Locking claw Reciprocating cylinder, (19) Locking claw guide, (20) Floor plate, (21) Outer wall plate, (A) Lifting device,

Claims (1)

(57) [Claims] 1. A horizontal connecting member is connected between the column heads of columns arranged on a floor of a predetermined floor, and a column at the top of the device is raised to a predetermined height by a lifting device, and the column is guided. As, in the building construction method of sequentially raising floor boards pre-manufactured on the predetermined floor and installing them on each floor, and sequentially building skeleton blocks composed of a plurality of layers, by a lifting device installed on the floor of the lowest floor, At the same time, the lowermost pillars are raised simultaneously, and the lower pillars are connected to the lower pillars and sequentially raised to construct a first skeleton block. Then, the uppermost pillar of the first skeleton block is formed. The lifting device is moved upward, and the same process is repeated at the uppermost portion of the first skeleton block to connect the second skeleton block to the first skeleton block by the same device. Characterized by repeating the steps of Built method.