JP2018062771A - Construction method of roof - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a construction method of a roof which can construct a roof in which an eaves soffit panel is installed on an undersurface of a roof skeleton quickly with good work efficiency, with respect to a large space building.SOLUTION: A construction method of a roof for a large space building which includes a roof in which an eaves soffit panel is installed on an undersurface of a roof skeleton includes: a first step of arranging a work stage below the roof skeleton, and placing a panel lifting device which is movable and which can push up the supported eaves soffit panel, on the work stage; and a second step of installing the eaves soffit panel in an installation scheduled position in the undersurface vicinity of the roof skeleton, via the panel lifting device on the work stage, and installing the eaves soffit panel on the roof skeleton.SELECTED DRAWING: Figure 2

Description

  The present invention relates to a method for constructing a roof of a large space building provided with a roof on which an eaves panel is installed on the lower surface of a roof frame.

  Large space buildings such as outdoor stadiums and concert halls have roofs covering the large spaces. For example, in Patent Document 1, a spectator seat is installed so as to surround a field, and a cantilever roof is provided above the spectator seat. The cantilever roof includes a roof frame, a roof It has a roof plate installed on the top surface of the fence frame.

JP-A-8-277743

  When installing an eaves panel on such a roof, the installation method is to install a crane hook or wire of a large hoist to pass through the opening of the roof fence frame from above the roof fence frame. Suspend and suspend the ground eaves panel on these crane hooks and wires. Thereafter, the eaves panel is lifted up to the lower surface of the roof eaves frame and the installation position and installation angle are adjusted, and then the eaves panel is attached to the roof eaves frame.

  In the above method, since the installation work of the eaves panel is performed in a state where the crane hook and the wire penetrate the opening of the roof fence frame, the installation work of the roof plate arranged on the upper surface of the roof fence frame is performed in advance. Can not do it.

  In addition, when the roof fence frame does not have a truss structure, an opening for penetrating crane hooks and wires must be provided in the roof fence frame. Occurs.

  The present invention has been made in view of such a problem, and its main purpose is to construct a roof in which an eaves panel is installed on the lower surface of the roof frame quickly and efficiently for a large space building. It is to provide a roof construction method that can be done.

  In order to achieve the above object, a roof construction method according to the present invention is a roof construction method for a large space building having a roof on which an eaves panel is installed on the lower surface of the roof housing, and below the roof housing. A first stage of disposing a panel lifting device capable of pushing up and moving the supported eave ceiling panel on the work stage; and the panel lifting device on the work stage. And a second step of installing the eaves ceiling panel at a planned installation position in the vicinity of the lower surface of the roof frame and attaching the eaves panel to the roof frame.

  According to the construction method of the roof of the present invention described above, the eaves panel is moved from below the roof frame by using the work stage disposed below the roof frame and the panel lifting device traveling on the work stage. Install. As a result, the work for installing the roof top panel can be carried out at the same time as or prior to the work for mounting the roof finishing material to be installed on the top surface of the roof frame. Interference with other work spaces related to the construction of the roof can be minimized, and the construction work of the roof can be performed quickly.

  In addition, there is no troublesome work such as aligning the eaves panel that is suspended by a heavy lifting machine such as a crane with the roof frame, so it is possible to significantly improve safety and work efficiency. It becomes. Moreover, since an opening is not required for a roof frame, it becomes possible to install an eaves-top panel easily with respect to the roof frame which consists of any structure.

  In the roof construction method of the present invention, the roof frame is divided into a plurality of work zones in advance, and the work stage is assembled in a movable manner, and the first stage is formed in one of the plurality of work zones. After the process and the second process are carried out and the second process is completed, the second stage is provided with a third process of moving the work stage to another work area, until the second work area is reached. And the third step is repeated.

  According to the roof construction method of the present invention, since it is not necessary to provide a large work stage at the site, it is possible to implement the roof construction work in a space-saving manner and economically.

  According to the present invention, the eaves panel is installed from the lower side of the roof frame by using the work stage disposed below the roof frame and the panel lifting device that runs on the work stage. Interference between the work space for installing the roof and other work spaces related to the construction of the roof can be minimized, and the construction work of the roof can be carried out quickly and efficiently.

It is a figure which shows the plane of the outdoor stadium of this invention. It is a figure which shows the side surface of the outdoor stadium of this invention. It is a figure which shows the panel lifting apparatus of this invention. It is a flowchart which shows the procedure of the installation method of the eaves-top panel 6 of this invention. It is a figure which shows the installation method of the eaves-top panel 6 of this invention (the 1). It is a figure which shows the installation method of the eaves-top panel 6 of this invention (the 2). It is a figure which shows the installation method of the eaves-top panel 6 of this invention (the 3).

  The roof construction method of the present invention is a method suitable for constructing a roof having an eaves panel on the lower surface of a roof frame for a large space building such as an outdoor stadium or a concert hall. Hereinafter, as a large space building, an outdoor stadium with a roof above the spectator seat is taken as an example, and a roof construction method will be described with reference to FIGS.

  As shown in FIG. 1, the outdoor stadium 100 includes a field 1 located in the center, a stand 2 disposed so as to surround the field 1, and a roof 3 installed above the stand 2. As shown in FIG. 2, the roof 3 is supported in a cantilever manner by a plurality of support columns 4 installed along the outer periphery of the stand 2, and a roof frame 5 projecting to the field 1 side, An eaves panel 6 installed on the lower surface and a roof finishing material 7 installed on the upper surface of the roof frame 5 are provided.

  The roof housing 5 may have any structure, but in the present embodiment, as shown in FIG. 2, the roof housing 5 has a truss structure using a steel frame, and simultaneously with the stand housing 21 constituting the stand 2, or Built around this. The eaves panel 6 is generally made of the same material as the plate installed on the eaves, and may be made of a single plate, or may be a unit formed by connecting a plurality of plates. Moreover, the shape may be either a flat plate or a curved plate. The roof finishing material 7 is a member generally employed to cope with rainwater, snow, or the like, and may be of any shape or size.

  The above-described installation work of the eaves panel 6 and the roof finishing material 7 is performed on the roof case 5 in a state of being arranged above the stand case 21. In the present embodiment, the installation work of the eaves panel 6 includes a work stage 10 disposed below the roof housing 5 and a panel lifter that is movable on the work stage 10 and that can push up the eaves panel 6. This is implemented using the heavy equipment 20.

  As shown in FIG. 2, the work stage 10 includes a work floor 11 disposed between the stand 2 and the roof housing 5, an inner leg 12 that supports an inner portion located on the field 1 side of the work floor 11, The outer leg 13 which supports the outer side part which opposes the inner side part of the floor 11 is provided. In the present embodiment, a fixed stage S capable of supporting the work stage 10 is constructed on the inner peripheral side of the stand 2 in advance, the inner leg 12 of the work stage 10 is set to the fixed stage S, and the outer leg 13 is set to the stand housing 21. To support. The fixed stage S is not necessarily constructed, and the inner leg 12 may be directly supported by the stand housing 21 or the field 1.

  The inner leg 12 and the outer leg 13 are provided with traveling bodies 14 for moving the work stage 10 in the circumferential direction of the stand 2. The traveling body 14 may be any wheel, caterpillar, or the like, and may travel directly on the upper surface of the fixed stage S and the stand housing 21, or on the upper surface of the stationary stage S and the stand housing 21. For example, a rail may be provided and the vehicle may travel through this rail.

  Further, the work stage 10 is provided with an overhanging floor 15 on the inner side of the work floor 11. The overhanging floor 15 is an area that functions as a cargo receiving space, and the roof frame 5 is not present above the overhanging floor 15. Therefore, the construction materials and tools necessary for the construction of the roof 3 built in the ground yard Y constructed at the planned position in the field 1 are weighted with a large lifting machine M such as a crane. It can be conveyed onto the overhanging floor 15.

  On the other hand, as shown in FIG. 3A, the panel lifting device 20 includes a carriage 21 that can freely travel on the work floor 11, a panel support mechanism 23 on which the eaves panel 6 is placed, and a panel support. And an elevating mechanism 22 that supports the mechanism 23.

  As the elevating mechanism 22, any apparatus may be employed as long as the apparatus is provided with an expansion / contraction mechanism that can push up the panel support mechanism 23 in a state where the eaves panel 6 is placed to the vicinity of the lower surface of the roof frame 5. In the embodiment, a pantograph jack is employed.

  The panel support mechanism 23 includes an attitude control mechanism 231 including a plurality of columns having variable lengths, and a level adjustment mechanism 232 installed at the top end of the attitude control mechanism 231. The posture control mechanism 231 and the level adjustment mechanism 232 may employ any structure, but in this embodiment, the posture control mechanism 231 includes four support columns appropriately combining a plurality of detachable cylinders. The level adjusting mechanism 232 employs a hydraulic jack.

  The posture control mechanism 231 can control the mounting posture of the eaves panel 6 on the panel support mechanism 23 by appropriately adjusting the length of each of the four columns. Therefore, the eaves panel 6 can be placed on the panel support mechanism 23 in a posture corresponding to the installation posture when the roof panel 5 is installed using the posture control mechanism 231, and the level adjustment mechanism 232. Thus, the posture of the eaves panel 6 placed on the panel support mechanism 23 can be finely adjusted in the height direction.

  Further, between the elevating mechanism 22 and the panel support mechanism 23, a horizontal adjustment provided with a sliding support such as a ball bearing or a sliding plate that can finely adjust the horizontal position of the panel supporting mechanism 23 with respect to the elevating mechanism 22. A mechanism 24 is arranged. As a result, as shown in FIG. 3B, the horizontal position of the eaves panel 6 placed on the panel support mechanism 23 can be finely adjusted with respect to the lifting mechanism 22.

  With the work stage 10 and the panel lifting device 20 configured as described above, the roof 3 of the outdoor stadium 100 can be constructed by the following procedure.

  That is, after constructing the roof housing 5, the work stage 10 is assembled below the roof housing 5, and the panel lifting device 20 is equipped on the work stage 10. Thereafter, the eaves ceiling panel 6 is pushed up to the vicinity of the lower surface of the roof housing 5 via the panel lifting device 20 on the work stage 10, and the eaves are finely adjusted in the horizontal direction and the height direction as necessary. The top panel 6 is positioned at the planned installation position of the roof frame 5 and temporarily fixed to the roof frame 5. The operation of installing the roof finishing material 7 on the upper surface of the roof frame 5 may be performed simultaneously with the operation of installing the eaves panel 6 or may be performed in advance.

  In such a roof construction method, the details of the installation work of the eaves panel 6 are exemplified by the case where the roof frame 5 is divided into a plurality of work zones and is implemented for each work zone, and according to the flowchart shown in FIG. explain. In the present embodiment, the roof housing 5 is disposed so as to construct the roof 3 so as to cover only a partial region of the stand 2, but the present invention is not necessarily limited thereto, and the entire stand 2 is not limited thereto. The roof 3 may be constructed so as to cover.

(First step: step 1)
First, as shown in FIG. 2, after the fixed stage S is constructed on the inner peripheral side of the stand 2, the work stage 10 is assembled so as to be supported by the fixed stage S and the stand housing 21.

(First step: step 2)
As shown in FIG. 5, after dividing the roof frame 5 into a plurality of work zones in the circumferential direction of the stand 2, the work stage 10 assembled as described above is arranged in a region corresponding to the first work zone A. .

(Second step: step 3)
As shown in FIG. 2, after moving the panel lifting device 20 to the overhanging floor 15 of the work stage 10, the eaves panel 6 grounded in the ground yard Y is weighted by the large lifting machine M. Then, it is placed on the panel support mechanism 23 of the panel lifting device 20.

  At this time, the panel support mechanism 23 of the panel lifting device 20 is provided with a plurality of posture control mechanisms 231 so that it can be placed in a state where the installation posture when the eaves panel 6 is installed on the roof frame 5 is maintained. Adjust the length of each column.

(Second step: step 4)
As shown in FIG. 6, when the panel lifting device 20 is run to transport the eaves top panel 6 to a position immediately below the planned installation position in the roof frame 5, and the direction of the eaves panel 6 is installed in the roof frame 5. Match the direction of

  Here, for example, as shown in FIG. 3B, the panel lifting device 20 is provided with a terminal device 25. The terminal device 25 is a so-called laptop computer or tablet terminal that includes an arithmetic processing unit 251, an input unit 252, a display unit 253, a storage unit 254, and the like. The arithmetic processing unit 251 is a computer having a CPU, GPU, ROM, RAM, a hardware interface, and the like. The input unit 252 is an input device such as a switch or a keyboard. The display unit 253 is a display that performs screen display. The storage unit 254 is a storage device including a semiconductor memory or a hard disk drive, and stores a program that can be executed by the arithmetic processing unit 251.

  Then, the center of gravity position and azimuth angle of the eaves panel 6 to be installed are grasped from the BIM data storing information such as the design drawing of the roof 3 and stored in the storage unit 254 of the terminal device 25. Further, the shape of the lower surface of the roof housing 5 is stored in the storage unit 254 of the terminal device 25 as a point cloud model composed of point cloud data on the world coordinate system, and the eaves panel 6 is installed on the roof housing 5. Then, the center of gravity position and the azimuth angle are calculated by the arithmetic processing unit 251 and stored in the storage unit 254.

  On the other hand, the position of the center of gravity of the panel lifting device 20 in a state where the eaves panel 6 is placed is grasped by measurement by the total station. If it carries out like this, based on the information regarding the installation position of the eaves panel 6 stored in the memory | storage part 254 of the terminal device 25, and the information regarding the gravity center position of the panel lifting apparatus 20, the state mounted in the panel lifting apparatus 20 The center of gravity of the eaves panel 6 can be moved on the same vertical line as the center of gravity of the position where the roof housing 5 is scheduled to be installed, and the azimuth angle when installed on the roof housing 5 is Can be matched.

  For example, see Japanese Patent Application No. 2016-034256 for an apparatus and method for grasping the shape of the lower surface of the roof frame 5 as a point cloud model composed of point cloud data on the world coordinate system.

  Thereafter, the elevating mechanism 22 of the panel lifting device 20 pushes the eaves panel 6 up to the lower surface of the roof frame 5 to a predetermined height. When the horizontal position or height position of the eaves panel 6 needs to be finely adjusted, the position is finely adjusted using the horizontal adjustment mechanism 24 and the level adjustment mechanism 232 of the panel lifting device 20 described above. In this way, the eaves panel 6 is positioned at the planned installation position of the roof frame 5, and both are temporarily fixed via temporary fixing means (not shown).

(Second step: step 5)
The steps 3 and 4 are repeated until the eaves panel 6 is installed in all areas corresponding to the first work area A in the roof frame 5.

(Third step: step 6 and step 2)
As shown in FIG. 7, after the eaves panel 6 has been installed in all areas corresponding to the first work area A, the work stage 10 is moved to the next work area.

(Fourth step: step 6 and step 7)
The second and third steps described above are repeated until all of the plurality of divided industrial zones are reached, and the eaves panels 6 are installed on all lower surfaces of the roof frame 5 as shown in FIG. After these are completed, the work stage 10 is disassembled.

  According to the roof construction method of the present invention, the eaves panel 6 is mounted on the roof frame using the work stage 10 disposed below the roof frame 5 and the panel lifting device 20 traveling on the work stage 10. 5 can be installed from below. Thereby, the work for installing the roof finishing material 7 on the upper surface of the roof frame 5 can be carried out at the same time as or in advance of the work for attaching the eave ceiling panel 6. Interference between the work space and another work space related to the construction of the roof can be minimized, and the construction work of the roof 3 can be performed quickly.

  Further, since the elevating panel 6 can be aligned with the roof case 5 by the panel lifting device 20 without using human power, the eaves panel in a state of being suspended by a large lifting machine M such as a crane as in the prior art. Troublesome operations such as aligning 6 with the roof frame 5 do not occur. For this reason, it becomes safe and it becomes possible to improve work efficiency significantly. Moreover, since no opening is required for the roof housing 5, the eaves panel 6 can be easily installed on the roof housing 5 having any structure.

  Furthermore, since the roof frame 5 can be divided into a plurality of work zones and the eaves panel 6 can be installed for each work zone, there is no need to provide a large work stage 10 at the site, and the roof 3 can be saved in a space-saving manner economically. It becomes possible to carry out construction work.

  The roof construction method of the present invention is not limited to the above embodiment, and various modifications can be made without departing from the spirit of the present invention.

  For example, in the present embodiment, the roof frame 5 is divided into a plurality of work sections, and the work stage 10 is moved for each work section to perform the eaves panel installation work. However, the present invention is not necessarily limited thereto. The work stage 10 may be constructed on the lower front surface of the roof housing 5, and the eaves panel installation work may be performed using the panel lifting device 20 without moving the work stage 10.

  In the present embodiment, one work stage 10 is arranged in the first work area A, but the present invention is not necessarily limited to this. A plurality of work stages 10 are arranged adjacent to each other, and Each time the installation work is completed, a plurality of work stages 10 may be moved to the next work area.

  In the present embodiment, the overhanging floor 15 is provided on the inner side of the work floor 11 located on the field 1 side with respect to the work stage 10, but the arrangement position is not necessarily limited to this, and a crane or the like As long as it is a position suitable as a load receiving space for the construction material suspended by the large lifting machine M, it may be installed at any position on the work floor 11.

DESCRIPTION OF SYMBOLS 1 Field 2 Stand 3 Roof 4 Column 5 Roof frame 6 Eaves top panel 7 Roof finishing material 10 Work stage 11 Work floor 12 Inner leg 13 Outer leg 14 Traveling body 20 Panel lifting device 21 Carriage 22 Lifting mechanism 23 Panel support mechanism 231 Attitude control mechanism 232 Level adjustment mechanism 24 Level adjustment mechanism 25 Terminal device 251 Processing unit 252 Input unit 253 Display unit 254 Storage unit 100 Outdoor stadium (large space building)
A 1st work zone S Fixed stage Y Ground yard M Large lifting machine

Claims (2)

A construction method of a roof of a large space building having a roof on which an eaves panel is installed on the lower surface of the roof frame,
A first step of disposing a work stage below the roof housing, and placing a movable panel lifting device on the work stage, the supported eaves-top panel being pushable and movable;
A second step of mounting the eave ceiling panel on the work stage via the panel lifting device at a planned installation position in the vicinity of the lower surface of the roof casing, and attaching the eave ceiling panel to the roof casing;
A method for constructing a roof, comprising: In the construction method of the roof according to claim 1,
In advance, the roof frame is divided into a plurality of work zones, and the work stage is assembled to be movable,
In one of the plurality of work zones, the first step and the second step are performed,
A third step of moving the work stage to another work area after the second step is completed;
The roof construction method characterized by repeating the second step and the third step until reaching all of the plurality of work zones.