JPH0673884A - Construction method of ceiling - Google Patents

Abstract

PURPOSE:To facilitate the equipping work and improve working efficiency of the whole inner facing work by suspendingly supporting a ceiling unit dividedly constructed in a factory and the like with guide rails provided on the upper floor slab and the like so as to equipped it on a target position. CONSTITUTION:Guide rails 2 are provided over the construction position of a ceiling on a fixed structure such as an upper floor slab 1 over the construction position of the ceiling. Next, a ceiling unit 3 which is dividedly constructed in a factory and the like is moved to a target equipping position in the condition of being suspended with the guide rails 2 and equipped. Otherwise, assembling rails 15, 15 are layingly provided on a floor positioned under the ceiling to be constructed, the ceiling unit is supported with a movable frame 14 running on the rails, and after transporting to the target position, the unit is suspended with suspending means 4, 4 fixed to the upper floor slab 1, and hence it can be equipped on the target position.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a method of constructing a ceiling in which unit-shaped members are continuously arranged in a horizontal direction, and more particularly to a method of constructing a ceiling having a large area.

[0002]

2. Description of the Related Art Conventionally, in a ceiling of a building, a ceiling scaffolding is temporarily installed on a floor located directly under the ceiling, and the ceiling scaffolding is used to make a base material, a ceiling material, and equipment at a ceiling construction position. While supplying parts such as machines and pipes, workers assemble these parts and perform internal equipment work.

[0003]

However, in the case of the above ceiling construction method, the following problems have occurred. That is, the ceiling construction method requires lifting and supplying a large number of parts from the floor to the ceiling construction position, and the construction of the lower surface of the ceiling often involves upward work of the operator, which is a difficult task. there were. Further, when the construction area is large, the above problem becomes more serious and dissatisfaction with the construction efficiency increases, and it is necessary to install a large number of the above-mentioned ceiling scaffolds, which may reduce the construction efficiency and increase the construction cost. Was there.

The present invention has been made in view of the above-mentioned problems, and an object of the present invention is to provide a ceiling construction method that reduces the ceiling assembly work at the construction site and improves the construction efficiency. .

[0005]

In the ceiling construction method of the present invention, a guide rail is installed at a fixed structure above the ceiling construction position at the ceiling construction position, and the ceiling to be constructed at a factory or the like is divided. The ceiling unit that has been installed in the form is installed in the target installation position by moving it while being suspended from the guide rail, and the assembly rail is laid on the floor located below the ceiling to be installed, A movable platform that runs on this assembly rail supports a ceiling unit that has been constructed in a form that divides the ceiling of the building, transports it to the desired position, and then suspends it by fixing it to a fixed structure above the ceiling installation position. The suspension means suspends the ceiling unit at a desired installation position, which is a means for solving the problems.

[0006]

According to the ceiling construction method of the first aspect,
Since the ceiling unit is guided along the suspended guide rail, it is easy to move to the target installation position, and the installation level of the ceiling unit moved by the same guide rail is ensured. In addition, by installing the completed ceiling unit at the desired position, the work of the ceiling and its internal equipment at the installation position is reduced, and the piping etc. that should be installed on the ceiling is installed at the factory when the ceiling unit is installed. The installation work will be simple and accurate.

According to the ceiling construction method of the second aspect, since the assembly rail on which the movable base travels is laid on the floor, it is easy to set or change the installation position, and the traveling path of the movable base can be easily changed. Improve design freedom.

[0008]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS A first embodiment of the present invention will be described below with reference to FIGS.
Will be described with reference to. In the figure, reference numeral 1 is an upper floor slab (fixed structure) on which a ceiling is installed under itself, 2 is a guide rail for moving to install a ceiling by the ceiling installation method of the present embodiment, and 3 is A ceiling unit 4 for constructing a ceiling by the ceiling construction method of the present embodiment, and 4 are turnbuckles (suspension support means) for suspension bolts for suspending the upper slab 1.

Hereinafter, for example, a case of constructing a rectangular ceiling ceiling as shown in FIG. 4 will be described. As shown in FIGS. 1 and 2, the guide rail 2 is an elongated member having an H-shaped cross section, and two guide rails 2 are arranged in parallel with each other along the length direction of the ceiling to be constructed. By being suspended from the lower part of the floor slab 1 via a suspension bolt turnbuckle 4, a movement path A for moving the ceiling unit 3 is formed. Each guide rail 2 is arranged with its flange 3a horizontal.

As shown in FIGS. 1 and 2, the ceiling unit 3 has a rectangular plate shape in plan view, and is suspended from the guide rail 2 via roller metal members 5 extending upward from the vicinity of four corners in plan view. It is configured to be possible. A base metal 6 that forms the outer shape of the ceiling unit 3 is fixed to the upper surface of the ceiling unit 3. A finishing material 7 exposed in the room of the building is fixed to the lower surface of the ceiling unit 3. A sub-frame 8 for slide for attaching the roller hardware 5 is attached to the upper end of the ceiling unit 3 in the thickness direction. Inside the ceiling unit 3, piping 9 for hot and cold water supply and electricity distribution of the building is arranged along the guide rail 2. Between the ceiling unit 3 and the upper floor slab 1, a duct 10 fixed to the upper surface of the ceiling unit 3 is arranged along the guide rail 2.

All of the roller metal parts 5 are formed in the same shape, and the ceiling unit 3 is suspended from the guide rails 2 to ensure a horizontal state. The distance between the roller metal fittings 5 and 5 attached to the left and right in the width direction of the movement path A of the ceiling unit 3 is equal to the distance between the guide rails 2 and 2. Each roller hardware 5 is a suspension hardware 5a for suspending and supporting the ceiling unit 3, and this suspension hardware 5a.
And a rotatable traveling roller 5b attached to the upper end of the. The suspending metal 5a is made of a rebar-shaped material and is formed into a substantially T-shape, and is attached with its upper horizontal portion parallel to the width direction of the ceiling unit 3. At the upper part of each hanging bracket 5a, a U-shaped running roller mounting member 5c is provided at both ends in the width direction, and an opening is provided in each hanging bracket 5a.
Are arranged so as to face the center portion in the width direction. Then, the hanging metal fitting 5a of each traveling roller mounting member 5c
The traveling roller 5b is rotatably attached to the tip end portion projecting in the central portion in the width direction of FIG. Each roller hardware 5
Is a form in which the traveling rollers 5b are in contact with the web 3b of the guide rail 2 from the left and right, and the traveling rollers 5b on both the left and right sides are the flanges 3a at the bottom of the guide rail 2.
The guide rail 2 can be moved in the longitudinal direction by being placed on the above.

The finishing material 7 is disposed on the center portion of the ceiling unit 3 and on the left and right sides of the guide rails 2 and 2 in the width direction, and is formed in a slender rectangular shape along the length direction of the guide rail 2. Between the finishing material 7 arranged in the center and the respective finishing materials 7 arranged on the left and right sides,
A groove-shaped illuminating device installation space 11 is formed which is recessed upward in the thickness direction of the ceiling unit 3. Lighting equipment installation space 1
1 extends to the ceiling unit 3 along the length direction of the guide rail 2, and the ceiling units 3 are arranged continuously along the length direction of the guide rail 2 so that each ceiling unit 3
The lighting equipment installation space 11 is continuously extended in the entire length direction of the movement path A. When the lighting equipment installed in the lighting equipment installation space 11 is also used as a sub-frame, the lighting equipment installation space 1 shown by a chain line in FIG.
The subframe 8 for sliding is attached to the upper end of 1.

As shown in FIG. 3, a first corner angle 12a or a second corner angle 12b that covers the side surface of the ceiling unit 3 is attached to the four corners of the ceiling unit 3 so as to be adjacent to the adjacent ceiling units 3, respectively. The first corner angle 12a and the second corner angle 12b attached to each other are in contact with each other. The first corner angle 12a has a shape in which a mountain-shaped engaging projection 12c projects in the horizontal direction from the side portion. The second corner angle 12b corresponds to the engaging protrusion 1
A slide groove 12d having a shape in which 2c engages in a horizontally slidable state is opened on the side surface. In the set of the first corner angle 12a and the second corner angle 12b, the engaging protrusions 12c and the slide grooves 12d are fitted to each other at the contact portions of the adjacent ceiling units 3 and 3. Further, in the first corner angle 12a and the second corner angle 12b, the engaging projections 12c can slide in the horizontal direction with respect to the slide groove 12d, so that the adjacent ceiling units 3 and 3 can be connected in a close contact state. Moreover, the ceiling units 3 and 3 can be slid horizontally. A loose hole 12e is formed in the central portion of each of the first corner angle 12a and the second corner angle 12b so as to communicate with each other in the vertical direction in the above-described fitted state. Fixing pins 12f for restricting horizontal sliding between the adjacent ceiling units 3 and 3 are inserted in the loose holes 12e and 12e of the corner angle members 12a and 12b in the communicating state. In addition, the first corner angle 12a and the second corner angle 12
When the ceiling is finished in the fitted state of b, the first corner angle 1 is below the first corner angle 12a.
A gasket 12g is mounted in the space formed between 2a and the second corner angle 12b, and the lower surface of the gasket 12g protruding downward forms a ceiling surface having the same height as the finishing material 7.

The method of constructing the ceiling of this embodiment using the ceiling unit 3 will be described below. In the method of constructing a ceiling of this embodiment, first, as shown in FIG. 4, a hanging bolt turnbuckle 4 is fixed to a lower portion of an upper floor slab 1 on which a ceiling is to be constructed, and is suspended. The guide rail 2 is attached and erected via 4 to form a linear movement path A of the ceiling unit 3. At this time, an assembly space 12 for assembling the ceiling unit 3 and suspending it on the guide rail 2 is secured in a portion of the ceiling where the construction material can be carried in.

After the installation of the guide rail 2 is completed,
The ceiling unit 3 assembled in the above-described form in the assembly space 12 or the factory is set on the guide rail 2 in the assembly space 12, moved to a target installation position via the guide rail 2, and moved far from the assembly space 12. The ceiling unit 3 is installed at the deepest part of the route A. Less than,
In the same manner, the ceiling units 3 that are sequentially completed are installed such that the leading ends of the ceiling units 3 to be newly installed are brought into contact with the rear ends of the ceiling units 3 that are installed in advance in the moving direction. When the installation of the ceiling units 3 to be installed on the movement path A is completed in the above manner, the ceiling units 3 are continuously arranged in a row in the length direction of the movement path A in a substantially contact state, and the ceiling surface in a substantially continuous state is obtained. To form. At this time, all the ceiling units 3 continuously installed on the moving path A are guided by the guide rails 2 and 2 to be installed at the target installation positions, so that the installation level is accurately secured.

As shown in FIG. 3, the ceiling unit 3 is constructed by assembling a ceiling to be constructed into a rectangular shape having an equal size by equally dividing the ceiling into a grid pattern. Further, the guide rails 2 and 2 forming the movement path A of the ceiling unit 3 are provided so that the ceiling unit 3 formed in the rectangular shape is vertically and horizontally movable at intervals. Note that the planar shape of the ceiling unit 3 may be other than the rectangular shape described above. On the other hand, the width between the guide rails 2 and 2 may be formed wider than the ceiling unit 3 as long as the ceiling unit 3 can be moved in the horizontal direction. Further, the guide rails 2 and 2 may be formed so that the ceiling unit 3 can be horizontally moved while the side portions of the ceiling unit 3 are fitted. The ceiling unit 3 that has been installed at the installation position connects various pipes 9 and ducts 10 between equipment inside the building or between adjacent ceiling units 3 and 3.

After the ceiling for one moving route A is constructed, only the assembly space 12 is moved in the width direction of the moving route A, and the ceiling for one row of the moving route A is carried out in the same manner as the previously constructed moving route A. By constructing, the new construction part is added adjacent to the ceiling of one row of the moving route A constructed in advance. In the same manner, a ceiling for one row of the movement route A is newly constructed adjacent to the previously constructed portion, and the entire ceiling to be constructed is sequentially constructed by adding the constructed portions. The moving path A of the new ceiling unit 3 extending from the moved assembly space 12
The guide rails 2 and 2 for forming the above may be installed in advance before the movement of the assembly space 12, and
After the assembly space 12 is moved, it may be installed while adjusting the formation position of the movement path A. In the portion where the moving path A is continuously provided in the width direction, the adjacent ceiling units 3 and 3 are connected to each other at the first corner angle 12a.
And the second corner angle 12b are connected to each other, and the row-shaped ceilings for which construction has been completed are connected in the width direction for each movement route A. In each movement route A, the ceiling unit 3 set in the assembly space 12 is assembled and installed on site.

Therefore, according to the ceiling construction method of this embodiment, the work area for ceiling construction is the assembly space 12.
Since a small area is required only for the connection work such as the pipe 9 and the dust 10 and the like, other work can be performed in parallel below the portion where the ceiling is installed. In interior work, the work efficiency is greatly improved.

Further, in the ceiling construction method of this embodiment, the ceiling is constructed by moving and installing the completed ceiling unit 3 on the movement path A formed by the guide rails 2 and 2. It is not necessary to erect, the amount of other erection materials is small, the construction cost is reduced, the work efficiency of the ceiling is improved by eliminating the work of assembling the pedestal, and sufficient work can be performed below the ceiling during construction. Space can be secured. In addition, installing the completed ceiling unit 3 on the work floor at the installation position and constructing the ceiling facilitates the construction of the ceiling unit 3 by, for example, securing a foothold for the worker. In addition to improving the construction accuracy and the construction efficiency of the above, if the ceiling unit 3 standardized in the same shape as in the present embodiment is used, the construction accuracy and the construction efficiency can be further improved, and the ceiling construction material can be improved. Waste can be reduced, industrial waste can be reduced, and construction costs can be reduced. On the other hand, the use of the movement path A formed by the guide rails 2 and 2 facilitates the movement of the ceiling unit 3 to the installation position and the securing of the installation level of the ceiling unit 3, thus improving the ceiling construction accuracy. Since the installation level of the ceiling unit 3 can be set to a position easy for work, work safety is secured and construction efficiency is improved.

A second embodiment of the present invention will be described below with reference to FIG. As shown in FIG. 5, according to the ceiling construction method of the present invention, the movement of the ceiling unit 3 is controlled by the guide rail 2
Instead, it is carried out on a movable mount designated by the reference numeral 14 in the figure, which runs on the floor 13 of the building. In addition, in FIG.
The same reference numerals are given to the same components as those, and the description thereof will be simplified.

As shown in FIG. 5, the movable mount 14 is
It is composed of wheels 16 running on an assembly rail 15 laid on the floor 13, and a gantry body 7 on which the ceiling unit 3 is placed. The gantry body 7 has a horizontal and flat ceiling unit mounting plate 18 for supporting the ceiling unit 3 at the uppermost portion. Then, the movable mount 14 is
The ceiling unit 3 is horizontally moved along the assembly rail 15 with the ceiling unit 3 placed horizontally on the ceiling unit placement plate 18. The ceiling unit mounting plate 18 is attached at a height that is approximately the height at which the ceiling unit 3 should be installed when the ceiling unit 3 is installed at a target position. The movable mount 14 may be equipped with a drive device for traveling on the assembly rail 15 and an automatic control device for automatically stopping at a target stop position. Two of the assembly rails 15 are arranged on the floor 13 to form a pair of sets that are parallel to each other, and form a linear transportation path of the ceiling unit 3 similar to the guide rail 2. In addition, the assembly rail 15 is the floor 13
The ceiling unit 3 can be moved by moving the ceiling unit 3 by detaching it from the floor 13 and re-installing it.

The method for constructing the ceiling of this embodiment using the movable mount 14 will be described below. In order to construct a ceiling by the ceiling construction method of the present embodiment, first, as shown in FIG. 3, the assembly rail 15 is laid on the floor 13 along the long side of the ceiling construction position in a plan view, and the ceiling is constructed. The transfer path of the unit 3 is formed, and the movable mount 14 is set in the assembly space 12 of the assembly rail 15 which has been installed. When the setting of the movable mount 14 is completed, the ceiling unit 3 is assembled on the ceiling unit mounting plate 18. After the ceiling unit 3 is completed, the movable pedestal 14 is moved on the assembly rails 15 to position the ceiling unit 3 at the deepest part of the transfer path and set it at a target height. As shown in FIG. 5, the ceiling unit 3 is installed by suspending from the upper slab 1 by attaching the hanging bolt turnbuckle 4 fixed to the upper slab 1 to the upper portion of the ceiling unit 3. . When the suspension of the ceiling unit 3 is completed, the pipe 9 and the duct 10 are connected to the building equipment and the like.

The ceiling unit 3 to the deepest part of the transfer path
When the installation is completed, the movable base 14 is returned to the assembly space 12, and the assembled ceiling unit 3 is moved in the same manner as the installation of the ceiling unit 3 to the deepest part described above, and the movable base 14 is moved to the deep part of the transport path. Then, the ceiling unit 3 newly conveyed is brought into a state where the front end portion is substantially in contact with the rear end portion of the ceiling unit 3 at the deepest portion in the conveyance direction. When the transportation of the new ceiling unit 3 to the intended position is completed, the ceiling unit 3 is suspended at the intended height by the turnbuckle 4 for hanging bolts, and the pipes 9 and the dust 10 both before and after the transportation direction are connected. . Hereinafter, similarly, the ceiling unit 3 for one transport path is installed to partially construct the ceiling.

When the construction of the ceiling for one transportation route is completed, the movable base 14 is lowered from the assembly rail 15 and the assembly rail 15 is removed from the floor 13. Then, the removed assembly rails 15 are moved in the width direction of the transportation route and re-installed on the floor 13, so that a new transportation route is provided at a position where the ceiling is continuously constructed from the portion where the construction is completed previously. Form. Hereinafter, in the same manner as the previously constructed portion, a ceiling for one transportation path is constructed, and the pipes 9 and the dust 1 of the ceiling units 3 and 3 adjacent in the width direction are arranged.
Connect 0.

In the same manner, the assembly rail 15 is re-installed, the ceiling of the newly formed transfer path portion is installed, and the pipes 9 and the dust 10 between the ceiling units 3 and 3 adjacent to each other in the width direction of the transfer path. The entire ceiling is constructed by repeating the connection with the above. The first corner angle 12a and the second corner angle 12b are joined to the corner portions of the adjacent ceiling units 3 and 3. Further, the assembly rail 15 may be moved by a slide mechanism or the like to change the laying position, and may be used for other work without being removed after use.

Therefore, according to the ceiling construction method of the present embodiment, the effect of the ceiling construction method of the first embodiment can be obtained, and the assembly rail 15 is laid on the floor 13, so Since the installation is easier than the guide rail 2 that is installed via the turnbuckle 4 for hanging bolts, the construction of the ceiling can be facilitated. Also,
Since the assembly rail 15 is detachable from the floor 13 and can be re-installed, the material can be saved and the construction cost can be further reduced. In addition, the installation position can be easily changed and the installation position can be designed freely. To improve.

[0027]

As described above, according to the ceiling construction method of the first aspect, the guide rail is erected at the ceiling construction position on the fixed structure above the ceiling construction position and used in a factory or the like. Since the ceiling unit, which has been constructed in a divided form, is installed at the intended installation position by suspending it from the guide rails, the work area for ceiling construction is Only a small area is required for the assembly work of the ceiling unit and the connection work such as piping and dust, and other work can be performed in parallel below the part where the ceiling is installed. In the case of building interior work, etc., the work efficiency will be greatly improved.

Further, the ceiling construction method according to claim 1 is
Since the ceiling is constructed by moving and installing the completed ceiling unit along the movement path formed by the guide rails,
There is no need to erect a scaffold for ceiling assembly, the amount of other erection materials is small, and the construction cost is reduced, and the work efficiency of the ceiling is improved by eliminating the work of assembling the pedestal. It is possible to secure a sufficient working space. In addition, installing the completed ceiling unit on the work floor at the installation position and constructing the ceiling facilitates the construction of the ceiling unit by securing a foothold for workers. In addition to improving the construction efficiency and the use of a ceiling unit that is standardized to the same shape, it is possible to further improve the construction accuracy and construction efficiency, and reduce the waste of construction material on the ceiling and reduce industrial waste. Therefore, the construction cost can be reduced. On the other hand, the use of the movement path formed by the guide rail facilitates the movement of the ceiling unit to the installation position and the securing of the installation level of the ceiling unit 3, thus improving the construction accuracy of the ceiling and installing the ceiling unit. Since it is possible to set the level to an easy position for work, work safety is secured and construction efficiency is improved.

According to the method of constructing a ceiling of claim 2,
An assembly rail is laid on the floor below the ceiling to be constructed, and a movable platform that runs on this assembly rail supports the ceiling unit that was constructed in the form of dividing the ceiling of the building and transports it to the desired position. After that, since the ceiling unit is suspended at a target installation position by suspension means fixed to a fixed structure above the ceiling installation position, the ceiling installation method according to claim 1, Of course, the assembled rail is laid on the floor, and is easier to install than the guide rail installed at a high place, and the ceiling can be easily constructed. In addition, the assembly rail can be re-installed on the floor and re-installed, which saves materials and further reduces construction costs, and also allows easy change of installation position and freedom of design of installation position. To improve.

[Brief description of drawings]

FIG. 1 is an enlarged perspective view showing an upper slab, a guide rail, and a ceiling unit used in a ceiling construction method according to a second embodiment of the present invention.

FIG. 2 is the front view.

FIG. 3 is an enlarged view showing first and second corner angles.

FIG. 4 is a schematic plan view showing a procedure for constructing a ceiling.

FIG. 5 is a front view showing a movable frame used in the ceiling construction method according to the second embodiment of the present invention.

[Explanation of symbols]

 1 Upper floor slab 2 Guide rail 3 Ceiling unit 4 Lifting support means (turnbuckle for hanging bolt) 13 Floor 14 Movable stand 15 Assembly rail

Front Page Continuation (72) Inventor Yukio Murase 1-3-2 Shibaura, Minato-ku, Tokyo Shimizu Construction Co., Ltd. (72) Inventor Satoru Masuda 1-3-2 Shibaura, Minato-ku, Tokyo Shimizu Construction Co., Ltd. (72) Inventor Ken Nakajima 1-3-2 Shibaura, Minato-ku, Tokyo Shimizu Construction Co., Ltd.

Claims (2)

[Claims] 1. A ceiling unit in which a guide rail is erected at a ceiling construction position on a fixed structure above a ceiling construction position, and a ceiling unit to be constructed in a factory or the like is constructed in a divided form. A method for constructing a ceiling, characterized in that the ceiling is installed at a desired installation position by moving it in a suspended state. 2. An assembly rail is laid on a floor located below a ceiling to be installed, and a ceiling frame of a building is supported by a movable platform that runs on the assembly rail. A method for constructing a ceiling, characterized in that, after being transported to a target position, the ceiling unit is suspended at a target installation position by suspension means fixed to a fixed structure above the ceiling construction position.