JP2583462B2 - Reconstruction construction method of building in operation - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a construction method for remodeling a building such as an operating factory.

[0002]

2. Description of the Related Art FIGS. 12 and 13 show an outline of a conventional construction method of this kind, in which a new outer foundation a, an outer pillar b, a girder beam c and the like are constructed along the outer periphery of a building A in operation. At the same time, an internal foundation d, a middle pillar e, and a temporary beam f are constructed in the operating building, a slide rail g is laid on each of the beams, and a roof truss h on the outer side of the building wife side for one slide. A work gantry i to be laid is temporarily provided.

On the work gantry i, a roof truss h for one slide is laid, mounted on the slide rail g, and laterally pulled on the rail by a slide method described later, to thereby remove the roof truss h. After being relocated to the building A in operation and fixed, the roof is finished and the exterior is finished. The work may be slid on the work gantry i after finishing the roof finishing or the like in advance.

FIG. 13 shows the sliding state of the roof truss h, and FIG. 14 shows the roof truss h which is moved on the rail g by a moving device j mounted on the roof truss h. The rail g is sandwiched between the anti-sway pulleys 1 mounted on a pair of brackets k, and the roof truss h slides smoothly on the rail g.

[0005] Thus, after a new building is constructed so as to cover the existing building A in operation, the building A is renovated. In the case of a new building having a plurality of floors, it is also possible to rebuild the building with a plurality of floors after constructing the second floor by traversing the second floor beam by a sliding method instead of the roof truss.

In the figure, m is an existing column, n is a temporary enclosure surrounding the work area, and q is a column.

[0007]

In the above-mentioned conventional method, it is necessary to construct an internal foundation, a center pillar and a temporary beam, and a work space and a carry-in / out path for equipment and the like are secured in an operating building. During the renovation work, a large area of construction space will be taken up, and production space will be sacrificed.Also, production lines will be interrupted by temporary enclosures and traffic vehicles. There was a problem of being inhibited.

The present invention has been proposed in view of the above-mentioned problems of the prior art. It is an object of the present invention to rebuild an operating factory or the like so as to minimize production activities. The point is to provide a possible construction method.

[0009]

In order to achieve the above object, the present invention relates to a method for rebuilding an operating building according to the present invention, which constructs a new foundation along the periphery of an existing operating building.
A first step of constructing an outer pillar on the same foundation, erection of a rail for sliding on a bracket provided near the capital of the new outer pillar, and on a support of the existing building; On the temporary work gantry, lay the roof truss or the second floor beam equivalent to one slide, move it sideways on the rail and move it one slide at a time, and move the roof truss or the second floor beam outside the existing building with the roof truss or the second floor beam. After covering the upper surface, a second step of constructing a roof or a second floor, and installing a new internal foundation and a middle pillar inside the existing building as a work space and a loading / unloading path using the same roof or the second floor, After finishing the roof, or the upper floor construction and exterior of the existing building, and the roof finishing or upper floor construction and exterior of the existing building, disassemble the existing building and renovate the interior Do It is composed of a 4 step.

According to a second aspect of the present invention, a new foundation is constructed along the outer periphery of an existing building in operation, and a structural material such as an outer pillar is constructed on the foundation. A first step of erection of a slide rail on a bracket and on a column of the existing building, and erection of a second-story beam equivalent to one slide on a work gantry temporarily provided on a wife side outer periphery of the existing building; A second step of laterally pulling on the rail and moving one slide at a time, constructing a roof or a second floor after framing the outer upper surface of the existing building with a second floor beam, and supporting columns of the existing building; Temporarily support the second floor beam with
While the upper floor is constructed as a work space and a loading / unloading path on the second floor, the third step of exteriorizing the existing building floor, and the construction of the upper floor and the exterior of the existing building floor are completed,
After relocating the operating device to the upper level, constructing the internal foundation and the center pillar in the existing building, dismantling the existing building and releasing the temporary support of the second floor beams, And a fourth step of repairing the inside of the device.

[0011]

According to the present invention, the outer peripheral pillar on the new foundation constructed along the outer periphery of the existing building and the outer peripheral side of the existing building along the sliding rail erected on the support of the existing building are provided. A roof truss or a two-story beam laid on a temporary work gantry is laid and laid sideways to cover the external upper surface of the existing building, and then a roof or a two-story floor is constructed and operated. By providing the construction space and loading / unloading path for the internal foundation, center pillars, and temporary beams in the existing building inside,
It is only necessary to provide a temporary enclosure with a small area necessary for the construction of the middle floor pillars, and vehicles etc. should block the flow line of the production line of the existing building in operation by passing on the second floor. And production activities are not hindered.

According to a second aspect of the present invention, the second floor beam is moved by one slide along the slide rail, and the outer floor of the existing building is covered with the second floor beam, and the second floor is used as a work space and a loading / unloading path. After completing the construction of the upper floor and the exterior of the existing building, move the production equipment to the upper floor and construct the foundation and center pillar in the existing building so that production activities will not be hindered even during the renovation period It was made.

[0013]

BRIEF DESCRIPTION OF THE DRAWINGS FIG.
FIG. 6 to FIG. 6 show a first embodiment of the present invention, in which 1 is an existing building in operation, and in the embodiment shown in FIG. Reference numeral 2 denotes a support. Thus, a foundation 3 and an outer pillar 4 are constructed on the outer periphery of the existing building 1 (see FIG. 1).
Is a bracket provided near the capital of the outer column 4, and 6 is an underground beam.

Next, a slide rail 7 is laid by a crane from the outside of the existing building 1 above the bracket 5 and the column 2 and then the existing building 1 is reconstructed in the same manner as in the conventional example.
The second floor beam 8 corresponding to one slide erected by the work gantry temporarily provided on the wife's side outer periphery is sequentially slid on the rail 7 so as to cover the roof of the building by the slide method described above. Is built over the entire area of. Next, a second floor 9 is constructed on the second beam 8 (see FIG. 2). The second floor 9 is constructed, for example, by laying a deck plate on the second floor beam 8 and then arranging floor reinforcing bars and casting concrete. Next, a temporary enclosure 12 and a ladder (not shown) for ascending and descending are installed on the first floor of the existing building 1 for the inner foundation 10 and the middle pillar 11 on the first floor, and the second floor 9 is worked. In addition to providing a space, the opening provided in the floor 9 is used as a carry-in / out path for equipment and the like, and the internal foundation 10 and the first floor middle pillar 11 of the existing building 1 are constructed. Combine
Close floor openings. (See FIG. 3) 13 is a traveling crane installed on the second floor 9.

Next, a second floor building 14 is constructed by a conventional method or a slide method using the second floor 9 as a work space and a path for carrying in and out equipment. (See FIG. 4) In the figure, 15 is a second floor pillar, 16 is a second floor outer wall, and 17 is a second floor roof. When the construction of the new two-story building 14 is completed, the production facilities of the existing building 1 are relocated to the second floor to continue the production. (FIG. 5
Next, after dismantling the existing building 1 in the new one-story building 18, the new one-story building 18 is repaired and exteriorly installed to install new production facilities. (See FIG. 6) FIGS. 7 to 11 show another embodiment of the present invention, in which a foundation 3 and an outer pillar 4 are constructed on the outer periphery of an existing building 1 consisting of a flat-saw roof factory. (See FIG. 7) A slide rail 7 is laid on the bracket 5 provided near the capital of the outer peripheral column 4 and the column 2 of the existing building 1, and the second floor beam 8 is formed by the slide method in the same manner as in the previous embodiment.
Is constructed over the entire area so as to cover the roof of the building, and then the second floor 9 is constructed in the same manner as in the above embodiment. (See FIG. 8) Next, the second floor beams 8 are temporarily supported by the columns 2 of the existing building 1, and the second floor building 9 is constructed by a known construction method using the second floor 9 as a work space and a loading / unloading path for equipment. . (Refer to FIG. 9) After the construction of the new building 19 on the second floor and the exterior 20 on the outer circumference of the first floor are completed, the equipment operating in the existing building 1 is moved to the new building 19 on the second floor, Internal foundation 2
1. After the middle pillar 22 is constructed by a known construction method, the existing building 1
Is dismantled, and the second floor beams 8 are released from the temporarily supported state. (See FIG. 10) Next, after dismantling the existing building 1 in the new first-floor building 18, the inside of the new first-floor building 23 is renovated to newly install a new production facility. (See Fig. 11)

[0016]

According to the method for rebuilding an operating building according to the present invention, as described above, the bracket provided on the outer peripheral column constructed along the outer periphery of the existing building, and the bracket installed on the supporting column of the existing building. After moving along the sliding rails and covering the external upper surface of the existing building with a roof truss or a second floor beam, construct the internal foundation, middle pillars and beams inside the operating building on the constructed second floor. The work space is limited to a small area within the temporary enclosure required for the foundation work and the construction of the middle pillar on the first floor. Further, since the passing vehicles and the like pass on the second floor, the traffic lines of the production line are not interrupted, the safety work is performed as usual, and the production activities are not hindered.

According to the second aspect of the present invention, after the construction on the second floor or more is completed and the production equipment in the existing building that is operating is relocated, foundation work and the like are performed inside the operating first-floor building. Since the construction work for the middle pillar on the first floor will be performed, production activities will not be hindered at all during the renovation period. In addition, by moving a new production line to the second floor or higher and then relocating production equipment on the first floor, it is possible to eliminate the suspension period of the production line.

[Brief description of the drawings]

FIG. 1 is a longitudinal sectional view showing a first step of an embodiment of a method for rebuilding an operating building according to the present invention.

FIG. 2 is a vertical sectional view showing a second step of the method.

FIG. 3 is a longitudinal sectional view showing a third step of the method.

FIG. 4 is a vertical sectional view showing a fourth step of the above step.

FIG. 5 is a longitudinal sectional view showing a fifth step of the above step.

FIG. 6 is a longitudinal sectional view showing a sixth step of the method.

FIG. 7 is a longitudinal sectional view showing a first step of another embodiment of the method of the present invention.

FIG. 8 is a vertical sectional view showing a second step of the method.

FIG. 9 is a longitudinal sectional view showing a third step of the method.

FIG. 10 is a longitudinal sectional view showing a fourth step of the method.

FIG. 11 is a longitudinal sectional view showing a fifth step of the above step.

FIG. 12 is a plan view showing an implementation state of a conventional method.

FIG. 13 is a vertical side view showing a moving state of the roof truss.

FIG. 14 is an enlarged view of a main part of the moving device.

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 1 Existing building 2 Support 3 Foundation 4 Perimeter pillar 5 Bracket 6 Beam 7 Slide rail 8 2nd floor beam 9 2nd floor 10 Internal foundation 11 1st floor middle pillar 14 2nd floor building 15 2nd floor pillar 18 New 1st floor building 19 2nd floor New building 21 Internal foundation 22 Middle pillar

Continued on the front page (72) Inventor Shuichi Tomoda 4-6-115 Sendagaya, Shibuya-ku, Tokyo Fujita Co., Ltd. 56) References JP-A-63-67349 (JP, A) JP-B-61-14302 (JP, B2)

Claims (2)

(57) [Claims] 1. A new foundation is constructed along the periphery of an existing building in operation, and an outer pillar is constructed on the foundation.
A first slide rail is to be installed on a bracket provided near the capital of the new outer column and on a column of the existing building.
A roof truss or a second-floor beam is laid by an amount equivalent to one slide on a work gantry temporarily provided on the wife side outer periphery of the existing building, and the rail is laterally moved to move one slide at a time. A second step of constructing a roof or a second floor after covering the outer top surface of the existing building with a truss or a second floor beam, and using the roof or the second floor as a work space and a loading / unloading path inside the existing building. After the completion of the roof finishing, or the construction of the upper floor and the exterior of the existing building, and the completion of the roof finishing or construction of the upper floor and the exterior of the existing building, the new foundation and the inner pillar are newly constructed. And rebuilding the existing building and renovating the interior. 2. A new foundation is constructed along an outer periphery of an existing building in operation, and a structural material such as an outer pillar is constructed on the foundation, on a bracket near a capital of the newly installed outer pillar,
A first step of erecting a slide rail on the support of the existing building, and laying a second-story beam equivalent to one slide on a work gantry temporarily installed on the outer periphery of the existing building on the side of the wife, and traverse the rail. A second step of pulling and moving one slide at a time, constructing a roof or a second-floor floor after covering the outer upper surface of the existing building with a second-floor beam, and supporting the second floor with a support of the existing building. A third step of temporarily supporting the beams and constructing the upper floor as a work space and a loading / unloading path on the second floor, and exteriorizing the existing building floor, and performing the upper floor construction and the existing building floor After the exterior has been completed and the operating equipment has been relocated to the upper level, the internal foundation and the middle pillar in the existing building have been constructed, and then the existing building has been dismantled to release the temporary support of the second floor beams. And the fourth process of renovating the interior of the existing building Renovation construction methods of the existing building in operation, wherein the door.