JP2913216B2 - Building construction method - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a method for building a building, and more particularly to a method suitable for building a high-rise building.

[0002]

2. Description of the Related Art Generally, construction of high-rise buildings is carried out by using a climbing crane to lift frame members such as pillars, beams and floors from the ground, and to build and build the buildings sequentially from a lower floor to an upper floor. Was. Further, as a method of constructing such a building without being affected by the weather, there is a construction method of inserting a member under the roof while pushing up the top floor with a hydraulic jack of the building to be constructed (Japanese Unexamined Patent Publication No. -7
No. 0844) has also been proposed.

[0003]

However, in the above-mentioned conventional methods, the members such as pillars, beams, floors, etc. of the building are all carried in order from the ground to a high place. Since members are sequentially stacked and joined, it takes time to carry and convey the members, and there is a problem that it is difficult to shorten the working time and the construction period.

[0004] In order to increase the efficiency of work on the high-floor work floor, large machines and equipment are lifted to the high-floor work floor and used. However, there is a problem that it interferes with the work, and it takes time to avoid interference, and it becomes difficult to disassemble and remove these mechanical equipment in a narrow space. An object of the present invention is to eliminate useless interference between such equipment used for building construction and construction work, and to shorten the building construction period.

[0005]

Means for Solving the Problems To achieve the above object,
Therefore, the construction method of the building according to the present invention
A erection structure for floors is formed, and the erection structure is
Guides that individually penetrate a number of main pillars, and these guides
Up and down on the upper layer of the erection structure
The device and a jibuku provided on the rooftop of the erection structure
Lane and horizontal transport attached to the underside of the erection structure
And a feeder, respectively, and penetrate the above guides and build
The elevating device is engaged with the main pillar to drive the
The structure is raised along these main pillars, and the elevating device is
Fixedly coupled to support the erection structure on the main column
In addition, in contact with the side of the building,
Extend the vertical transport device to the
By transporting the members via the jib crane,
At the rooftop, the main columns are stacked and built.
The members are transferred via the direct transfer device and the horizontal transfer device.
By sending, the other below the erection structure
After stacking and building the building frame, drive the elevating device again.
To raise the erection structure,
The structure is repeated below the erection structure.
When building and building the building frame,
First, it can run horizontally on the underside of the roof beam of the above construction structure
A vertical lifting scaffolding device
During the horizontal transfer of members on the building floor,
While moving up and down into the structure,
Lower it at any time during alignment and joining work.
It is characterized by using.

[0006]

[0007]

In the building construction method of the present invention, first, the erection structure of the top floor of the building is extended along several main pillars extending upward through the guides. It is raised by an elevating device that is erected and fixed on the roof of the building, and a work space more than the height of the second floor is secured below the erection structure and supported on the main pillar.

Next, a column member, a beam member, and a floor member corresponding to the height of the second floor are carried up to the side of the raised erection structure by a vertical transport device extending from the ground. The core column members penetrating to the roof are taken up by the rooftop crane from the temporary storage area to the rooftop using the building floor below the erection structure as a temporary storage area, and are sequentially stacked and joined on the main columns on the rooftop.

[0009] A plurality of hoists transfer from a vertical transport device to a horizontal transport device and are transported in the horizontal direction by a building carrier member for a building floor.
The floor and other pillar members are sequentially stacked and joined. Thereby, each work of the rooftop floor and the construction floor can be advanced in parallel. At this time, on the building floor, there is nothing that hinders horizontal transport other than the several main pillars that support the erection structure, so horizontal transport and top-building work can be performed smoothly and efficiently.
Work cycle can be shortened. In this case,
The work was carried out on the underside of the roof beam of the erection structure.
It was done by using a lifting type scaffolding device that can run flat.
So that the worker can get in and work on it.
You. When transporting construction materials horizontally, the lifting foot
The platform was raised and evacuated so that the scaffold could be transported horizontally.
There is no obstacle to transmission.

[0010] In the final stage of building construction, the erection structure is joined and fixed on the main pillars built on the building floor, and the lifting device is dismantled and suspended by the roof jib crane to finish the top floor. After completing the work, disassemble the jib crane.

[0011]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS One embodiment of a building construction method according to the present invention will be described below. 1 and 2 show equipment used in the method of this embodiment. Prior to the description of the construction method, the construction of these equipment will be described in order. In these figures,
Reference numeral 1 denotes an erecting structure for the uppermost floor including a beam set of a top floor 2 and a rooftop floor 3 of a building to be constructed. The erecting structure 1 includes a central core portion of a building to be constructed. The guides 4 penetrating the main pillars 5 are fixed in accordance with the six main pillars 5 in total.

Reference numeral 6 denotes a lifting / lowering device fixedly provided on the rooftop floor 3 approaching each guide 4, 7 denotes a traveling jib crane provided on the rooftop floor 3, 8 denotes a lower surface of the erection structure 1. , A horizontal transfer device comprising an I-rail 9 and a hoist 10 attached to the roof, 11 is an I-rail provided under a beam on the rooftop floor 3, 12
Reference numeral denotes a hoist that runs on the I-rail 11, and reference numeral 13 denotes a traveling type lifting scaffolding device supported by the hoist 12.

Furthermore in FIG. 2, the shielding sheet 14 is a vertical conveying device which is provided to extend along the building side from the ground to the side of the installation for structure 1, 15 that supported hanging around the erection for structure 1 , 16 are approximately two floors of floor space formed below the erection structure 1 raised by the elevating device 6 along the main pillars 5 of the core, and 17 and 18 are stacked floor spaces respectively. Pillars and beams to be built.

FIGS. 1 and 2 show an example in which a core is provided near the center of the building. However, when the core is located near the outer periphery of the building, the core is provided symmetrically on the outer periphery of the building. In order to use the main column 5 as a column of the erection structure 1,
What is necessary is just to change the position of each guide 4 and the raising / lowering device 6.

FIGS. 3 to 7 are views showing details of an embodiment of the guide 4 and the lifting / lowering device 6. FIG. As shown in FIGS. 3 to 5, the guide 4 joins the outer peripheral surface of the outer shell 4 b in the shape of a rectangular tube to the beam on the rooftop floor 3 or the top floor 2 and joins them, and on the common axis extending in the vertical direction The main column 5 and the main column 5 are arranged inside the outer shell 4b.
A cross-shaped hole 4a is formed so that both the beam mounting brackets 19 provided on the side surfaces can be vertically moved.

On the other hand, as shown in FIG. 3, FIG. 4, FIG. 6, and FIG. 7, the lifting device 6 has a U-shaped section which is symmetrically erected on the roof floor 3 with each guide 4 interposed therebetween. A pair of truss pillars 20, a pair of step rods 21 vertically fixed between the top of each truss pillar 20 and the rooftop beam 3, and detachably attached to each of these step rods 21 A lifting cylinder 22, a column holder 23 supported by the lifting cylinder 22 so as to be vertically movable,
A winch 24 and a hoisting wire 25 for raising and lowering the column holder 23 when the lifting cylinder 22 is disengaged from the rod 21, and a horizontal hole 26 formed in the outer shell 4 b of the upper guide 4 and the column 5 respectively. It is composed of a lock pin 27 which is removably inserted by a cylinder (not shown) or the like, and a centering beam 28 provided on the column holder 23 and also serving as a column holder.

As shown in FIG. 6, the centering beams 28 are moved toward and away from each other on a pair of parallel reverse screw rods 32 which are rotated by the motor 29 and the gears 30, 31 on the frame of the column holder 23. Are a pair of beams having a concave shape in plan view. When these centering beams 28 are used as column holding beams, they are moved to positions matching the upper ends of the main columns 5 as shown in FIG. on the other hand,
When functioning as a centering beam, as shown in FIG. 6, both side surfaces of the main pillar 5 are clamped by these concave portions and fixed. Reference numeral 33 in FIG. 6 denotes a guide roller, which rolls along a rail 34 fixed to the truss column 20 in the vertical direction.

Next, FIG. 8 and FIG.
And an example of the vertical transport device 14. The horizontal transport device 8 includes I and I arranged vertically and horizontally on the lower surface of the erection structure 1.
A rail 9 and a swing switching rail 9R provided at an intersection of the I-rails 9 are used to carry a plurality of hoists 10 to perform horizontal conveyance. Reference numeral 35 in FIG.
Is a cylinder for operating the switching rail 9R.

On the other hand, the vertical transport device 14 is supported on the outer wall of the building, and is sequentially pushed up and extended by being spliced from the ground. A vertical winch ( (Not shown) and a suspension beam 38 which is raised and lowered by a hoisting cable 37. A short I-rail 9S that is aligned with the I-rail 9 of the horizontal transfer device 8 is attached to the lower surface of the suspension beam 38. The hoist 10 is loaded on the I-rail 9S, Perform vertical transport. For example,
The hoist 10 on the vertical transport device 14 in which the members are suspended at the position shown in FIG. 8 is transferred onto the I-rail 9 of the horizontal transport device 8, and further, as shown in FIG. Put down and place temporarily.

A method of building a building using each of the above facilities will be described. In this method, first, the guide 4 for penetrating the main columns, the elevating device 6, the jib crane 7, and the horizontal transfer device 8 are assembled on the erection structure 1 on the first floor of the building. Next, the lifting / lowering device 6 is connected and driven to the main pillar 5 of the building constructed by passing the guide 4 therethrough, and the erection structure 1 is raised with the main pillar 5 as a support. It is fixedly connected to the pillars 5 and supports the erection structure 1 on several pillars 5.

Next, each centering beam 28 of the lifting device 6
Is moved over the upper end of the main pillar 5 as shown in FIG. 7, and the lifting cylinder 22 shown in FIG. 3 is lowered along each step rod 21 to raise the erection structure 1. Then, in the raised position, the lifting cylinder 2
2 is fixed to the step rod 21 and the erection structure 1 is stably supported on the plurality of main columns 5.

Next, the vertical transport device 14 is extended in accordance with the height of the raised construction structure 1, and the members for the main pillar 5 are transported from the ground to the building floor 16 via the vertical transport device 14. Then, the jig is temporarily temporarily placed on the temporary storage floor 16F, lifted from there to the roof by the roof jib crane 7, and piled up on the main pillar 5 and joined on the roof. Another member for the building floor is a plurality of hoists 10 from the vertical transport device 14 to the horizontal transport device 8.
Are transported horizontally into the building floor 16 and stacked and joined on the existing building frame.

In order to connect the main pillars 5 on the roof, a lock pin 27 is inserted into each of the main pillars 5 and the horizontal hole 26 of the guide 4 in FIG.
And the lifting cylinder 22 is released from the step rod 21, and the winch 24 is driven to
Is slightly raised, and as shown in FIG.
8 is opened so that the members of the main pillar 5 can be inserted through these gaps. In this state, the lower end of the member of the main pillar 5 suspended by the jib crane 7 is fixed to each centering beam 2.
8 and the centering beam 28 is closed to center the lower end of the member.

Thereafter, each centering beam 28 is reopened, the winch 24 is driven to raise the column holder 23 to a position near the upper end of the member of the main pillar 5, and the centering beam 28 is closed and the upper portion of the member is closed in the same manner as described above. Alignment is performed, and the lower end of the column member is connected to the upper end of the main column 5 and welded in this state.

After welding is completed, the column holder 23 is raised, and each centering beam 28 is closed and placed on the upper end of the extended main column 5 as shown in FIG. Fixed to. In addition, winch 2
4 is unwound and released, and all the lock pins 27 are removed. In the above manner, the main pillars 5 are sequentially stacked one by one and extended.

In parallel with the work on the top floor as described above,
On the building floor 16, the vertical transport device 14 moves to the horizontal transport device 8.
To transport a plurality of hoists 10 horizontally
Building joints are simultaneously made at multiple locations.
The elevating type scaffolding device 13 retreats to a position in the erection structure 1 when the members are horizontally conveyed in the building floor 16, while an operator gets in at any time when positioning or joining the members. This is lowered and work is performed.

When the stacking and extension of several main pillars 5 are completed on the rooftop floor and the stacking and extending of the other building part of the building at the height of the second floor are completed on the building floor, the elevator 6 is driven. Then, the erection structure 1 is moved up again by the height of the second floor by the height of the second pillar, and the same steps as above are repeated.

According to the construction method for a building having the above-described structure, as shown in FIG. 1, several two-story permanent columns 5 are erected at predetermined positions on the ground level, and In the state where the construction structure 1 having the height of the first floor and the height of the first floor is assembled, and the facilities are provided, the jib crane 7 and the elevating device 6 on the roof are used to immediately extend and extend the stack of the main pillar 5. The elevating device 6 can start raising the erection structure 1. Further, in the raised position, each operation of the rooftop floor and the building floor can be performed in parallel, and in the building floor, the stacking by the plurality of hoists 10 and the joining of the members proceed in parallel at the plurality of positions. Because it is possible
Work efficiency as a whole is improved, and construction can be performed in a short time.

As shown in FIG. 2, when the building up to the predetermined floor is completed on the building floor 16, the erection structure 1 is lowered by, for example, the elevating device 6, and Can be fixed as they are. At this time, the elevator 6 and the jib crane 7 on the roof do not hinder the finishing work of the building floor at all, and the jib crane 7 on the roof is effective for dismantling, removing, and finishing the roof 6 and other equipment. It also has the advantage that it can be used for

The present invention is not limited to only the above-described embodiment, and the configuration, shape, and the like of each part may be appropriately changed as necessary.

[0031]

As described above, the building construction method according to the present invention has the following excellent effects.

(A) The uppermost floor of the building to be constructed is an erecting structure, and a guide for penetrating several main pillars, an elevating device and a jib crane standing on a roof around the guide are provided. To assemble the erection structure on the ground and assemble the erection structure to assemble the erecting device by connecting the main pillar protruding to the roof and the elevating device, immediately follow the same procedure from the first floor level to construct the erection structure The construction can be started, the construction on site is simplified and facilitated, and the connection between the erection structure and each of the main pillars can be surely performed, so that stability against horizontal force is large.

(B) The vertical transfer of the members by the vertical transfer device and the stacking and building of the building frame on the roof floor by the jib crane proceed in parallel. Since the construction work can be performed at a plurality of positions in parallel, the work efficiency of each building floor increases, and the construction period can be shortened.

(C) All of the other devices except the horizontal transfer device and the traveling scaffolding device are located on the building roof or outside the building, so that there is no interference between the equipment used on the building floor and the building work. Also, even in the final stage of building construction, there is no difficulty due to space and the like.

(D) On the building floor, the worker operates the traveling climbing scaffolding device from the erection structure at any time when aligning and joining the members so as not to hinder the horizontal transportation, and Since it is possible to reciprocate to and from the construction floor, it is also safe and easy for workers to enter and exit the construction floor.

(E) The roof jib crane can be used not only for adding pillars, but also for building penthouses, loading equipment, dismantling lifting devices and transporting devices, and hanging them on the ground. Eventually, the jib crane itself can be dismantled on the rooftop and lowered to the ground with a hoist from the loading entrance, which can be used very well for building buildings.

[Brief description of the drawings]

FIG. 1 is a side view showing equipment used in a method according to an embodiment of the present invention.

FIG. 2 is a side view showing a state in which construction work has progressed in the facility.

FIG. 3 is a side view showing the periphery of a lifting device of the facility.

FIG. 4 is a side view taken along the line IV-IV in FIG. 3;

FIG. 5 is a plan view along the line VV in FIG. 3;

FIG. 6 is an enlarged plan view taken along the line VI-VI in FIG. 3;

FIG. 7 is a plan view showing a state where a part is operated in FIG. 6;

FIG. 8 is an explanatory diagram showing a vertical transport device and a horizontal transport device.

FIG. 9 is a plan view along the line IX-IX in FIG. 8;

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 1 Construction structure for one floor of the top floor 2 Top floor beam group 3 Roof floor beam group 4 Guide 5 Main pillar 6 Elevating device 7 Jib crane 8 Horizontal transfer device 9 I rail 9S I rail 11 I rail 9R Rotation switching rail 10 , 12 Hoist 13 Elevating Scaffolding 14 Vertical Conveyor 16 Building Floor 20 Truss Column 21 Step Rod 22 Elevating Cylinder 23 Column Holder 24 Winch 25 Hoisting Wire 27 Lock Pin 28 Centering Beam

──────────────────────────────────────────────────続 き Continuing on the front page (72) Inventor Yoshinori Mukai 4-6-22 Kannon Shinmachi, Nishi-ku, Hiroshima-shi, Hiroshima Mitsubishi Heavy Industries, Ltd. Hiroshima Works (72) Inventor Yoichi Seki 2--16 Kyobashi, Chuo-ku, Tokyo No. 1 Inside Shimizu Construction Co., Ltd. (72) Inventor Junichiro Maeda 2-6-1 Kyobashi, Chuo-ku, Tokyo Shimizu Construction Co., Ltd. (72) Koji Kondo 2-161 Kyobashi, Chuo-ku, Tokyo Shimizu Construction Inside (72) Inventor Nobuhiro Okuyama 2-16-1, Kyobashi, Chuo-ku, Tokyo Shimizu Construction Co., Ltd. (72) Inventor Abe In-house 2-16-1, Kyobashi, Chuo-ku, Tokyo Shimizu Corporation (56) References JP-A-1-235748 (JP, A) JP-B-50-27652 (JP, B2) (58) Fields investigated (Int. Cl. ⁶ , DB name) E04B 1/35 E04G 21 / 14 - 21/16

Claims (1)

(57) [Claims] 1. A erection structure for the first floor of a building is formed, and a guide for individually penetrating a plurality of main pillars is provided in the erection structure. An elevating device erected on the upper layer of the structure, a jib crane provided on the roof of the erection structure, and a horizontal transfer device attached to a lower surface of the erection structure, respectively, The raising and lowering device is driven to engage with the main column built through the main column to raise the erection structure along these main columns, and the lifting device is fixedly connected to the main column, and By supporting the erection structure, extending the vertical transfer device from the ground to the side of the erection structure in contact with the side of the building, and transferring the members via the vertical transfer device and the jib crane, Stack and build the main pillar on the rooftop By transporting the members via the vertical transport device and the horizontal transport device, another building frame is stacked and built below the erection structure, and the elevating device is driven again to drive the erection structure. body was elevated to the has a structure which repeats the same process, accumulation of the building skeleton portion in the structure below for the erection construction
Before carrying out the work, the building structure
An elevating scaffolding device that can run horizontally is installed on the underside of the upper beam.
The lifting type scaffolding equipment is
At the time of transportation, the
When aligning and joining members on the building floor
Buildings that are sometimes dropped and used at any time
Construction method.