JPH0835334A - Construction device and construction method for tower structure - Google Patents

Abstract

(57) [Summary] [Purpose] To construct a high-rise tower-like structure easily and in a short period of time regardless of the weather. [Structure] A column 4 is erected in a hole 2 of a pier 1 by a column support mechanism 3. A roof portion 6 provided with an overhead crane 5 is supported on the upper ends of the pillars 4, and the roof portion 6 covers the upper portion of the pier 1. An outer mold 12 and an inner mold 13 are arranged on the outer peripheral side and the inner peripheral side of the hole 2 of the pier 1, respectively. The outer formwork 12 and the inner formwork 13 are supported by a support beam 14 that is lifted by a reaction force from a rod 16 by a jack 15. The axial steel material 7 and the shear-reinforced steel material 8 are lifted by the overhead crane 5 and arranged between the outer mold 12 and the inner mold 13, and concrete is poured. After the concrete is hardened or at the same time as the concrete is poured, the support beam 14 is lifted by the jack 15 to raise the outer mold 12 and the inner mold 1.
Raise 3

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a tower structure construction apparatus and a construction method suitable for constructing a tower structure such as a high pier.

[0002]

2. Description of the Related Art Generally, for example, in the case of constructing a tower structure such as a pier, first, a pier foundation is constructed, and an axial steel material and a shear reinforcing steel material are arranged on the pier foundation. A mold was arranged so as to surround the axial steel material and the shear-reinforced steel material, and concrete was placed in the areas partitioned by the mold.

[0003]

However, the conventional construction method described above has a problem in that it is impossible to work in bad weather and the construction period is prolonged. Moreover, complicated mold work for placing concrete (various works such as moving, installing, demolding, cleaning, etc.),
In addition, rebar assembly work was required. in this way,
The conventional construction method is easily affected by the weather,
Moreover, since a lot of labor is required, the construction period must be extended, and such a problem was remarkable in the high piers.

The present invention has been made in view of the above circumstances, and is a tower structure capable of constructing a tower structure such as a high pier extremely easily and in a short period of time regardless of the weather. It is an object of the present invention to provide a construction device and construction method for a product.

[0005]

In order to achieve the above object, a tower structure building apparatus according to a first aspect of the present invention is a tower which is erected along the tower structure to be built, and a pillar of the pillar. The roof is supported at the upper end so as to cover the upper portion of the tower-shaped structure. The tower-shaped structure building apparatus according to claim 2 is the tower-shaped structure building apparatus according to claim 1, and a mold arranged so as to surround a building portion serving as a skeleton of the tower-shaped structure, It is characterized in that a formwork device having a raising mechanism for raising the formwork is provided. The apparatus for constructing a tower-like structure according to claim 3,
The tower-like structure construction apparatus according to claim 1 or 2, wherein the roof portion is provided with a crane for lifting materials such as steel materials. Claim 4
The tower-shaped structure building apparatus according to claim 1 is the tower-shaped structure building apparatus according to any one of claims 1 to 3, wherein the pillar is supported along the tower-shaped structure and is raised. It is characterized in that a support mechanism is provided.

The method for constructing a tower-like structure according to claim 5 is
The roof of the tower-like structure to be built is supported while supporting the roof part where the crane is installed so as to cover the upper part of the tower-like structure at the upper end of the pillars that stand upright along the tower-like structure to be built. A frame that can be lifted by a lifting mechanism is installed so as to enclose the construction point of, and axial steel is placed at the construction point of the frame by the crane, and then shear reinforcement steel is placed at the construction point of the frame. The step of arranging the shear-reinforcing steel material to be installed, the step of placing concrete at the building location of the skeleton, and the step of moving the formwork to raise the formwork are repeated in sequence, or simultaneously at the same time. Is characterized by. The method for constructing a tower-like structure according to claim 6 is the method for constructing a tower-like structure according to claim 5, wherein the shear reinforcing steel material arranging step, the concrete placing step and the form moving step are repeated a predetermined number of times. later,
The pillars are raised, the axial steel material is arranged by the crane, and again, the shear reinforcing steel material arranging step, the concrete placing step, and the mold moving step are sequentially repeated, or simultaneously at the same time. It has a feature.

[0007]

According to the tower structure constructing apparatus of the present invention, since the upper part of the tower structure is covered by the roof portion, the tower structure is constructed even in bad weather. It becomes possible. According to the apparatus for constructing a tower-like structure according to claim 2, concrete is placed in the space surrounded by the formwork, and after the concrete is hardened, the formwork is raised by the raising mechanism, and the above-mentioned form is again obtained. By performing work, or by placing concrete in the construction site of the skeleton surrounded by the formwork, and simultaneously raising the formwork by the raising mechanism at the same time,
A concrete tower structure is constructed. According to the tower structure constructing apparatus of the third aspect, it is possible to hang up a material such as a steel material arranged on the tower structure by a crane provided on the roof part and install it at a predetermined place. .
According to the tower-like structure building apparatus of the fourth aspect, the tower-like structure such as a high pier can be built by raising the pillar by the pillar supporting mechanism.

According to the method for constructing a tower-like structure according to claim 5, after the axial steel material is arranged, the shear reinforcing steel material arranging step, the concrete placing step and the form moving step are repeated, or are continuously conducted at the same time. By doing so, a concrete tower-like structure is constructed. Moreover, since the upper part of the tower-like structure is covered with the roof, it is possible to perform the construction work without being influenced by the weather.
According to the method for constructing a tower-like structure according to claim 6, after repeating the shear reinforcing steel material arranging step, the concrete placing step and the form moving step a predetermined number of times, the pillar is raised and the axial steel material is removed by the crane. By arranging and again performing the shear reinforcing steel material arranging step, the concrete placing step, and the form moving step, or by performing them simultaneously at the same time, a tower structure such as a concrete high pier is constructed. .

[0009]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS Embodiments of the tower structure construction apparatus and construction method of the present invention will be described below with reference to the drawings. In this embodiment, a pier will be described as an example of the tower-like structure to be constructed. Further, in the present embodiment, a slip form is adopted as the mold, but in the present invention, the mold may be a jump-up type or a large frame type, depending on the form type. Not something. Now, in FIG. 1 and FIG. 2, reference numeral 1 is a bridge pier (tower-shaped structure) in the process of being constructed. In this pier 1, holes 2 are formed in the up-down direction inside the pier 1, and columns 4 are erected in the holes 2 by a column support mechanism 3 installed midway. A roof portion 6 provided with an overhead crane (crane) 5 on the lower surface side is supported on the upper ends of the columns 4, and the roof portion 6 covers the upper portion of the pier 1 being constructed. Then, the overhead crane 5 of the roof portion 6 lifts and installs the axial steel material 7 and the shear reinforcing steel material 8 to be laid on the pier 1. Further, an aerial work gondola 9 is suspended from the roof portion 6, and various building work can be performed by the aerial work gondola 9. Also,
A suspension scaffold 10 is provided on the side of the roof portion 6, and various construction work can be performed also on the suspension scaffold 10.

Next, the configuration and structure of the formwork apparatus 11 installed at the construction site of the bridge pier 1 under construction will be described.
The formwork apparatus 11 has an outer formwork (formwork) 12 arranged on the outer peripheral side of the pier 1 to be constructed and an inner formwork (formwork) 13 arranged in the hole 2 of the pier 1. The outer form 12 and the inner form 13 are supported by a support beam 14 arranged at the upper end of the pier 1 to be constructed via a yoke (not shown). This support beam 14 has a jack (elevation mechanism).
15 is provided so that the jack 15 can lift the rod 16 arranged on the pier 1 by taking a reaction force. And this formwork apparatus 1
The skeleton of the pier 1 is constructed by placing the axial steel material 7 and the shear reinforcing steel material 8 between the outer formwork 12 and the inner formwork 13 of 1 and placing concrete. ing. In addition, an elevator 17 is provided on a side portion of the pier 1 to be built so that an operator can climb from the ground to a building site at a high place.

Next, the procedure for constructing a bridge pier by the construction method for a tower-like structure of this embodiment will be described with reference to the flow chart shown in FIG. (1) First, after constructing the pier foundation, the lower part of the pier 1 is constructed by cast-in-place concrete for several meters (step S
1). (2) Next, the column support mechanism 3 is installed in the hole 2 formed inside the pier 1, and the column support 4 is supported by the column support mechanism 3.
Are erected, and the roof 6 is supported on the upper ends of the columns 4 (step S2). (3) Further, at the upper end of the pier 1, the outer formwork 12 is arranged along the outer peripheral surface of the pier 1, and the inner formwork 13 is installed along the inner peripheral surface of the hole 2 of the pier 1. The outer mold 12 and the inner mold 13 are supported by the support beam 14 (step S2).

(4) In this state, the axial steel material 7 is hoisted by the overhead crane 5 provided on the roof portion 6 and disposed between the outer mold 12 and the inner mold 13 (step S3). (5) Then, the outer mold 12 and the inner mold 13 of the mold device 11
The shear-reinforced steel material 8 is arranged between and (step S4). (6) Next, the outer mold 12 and the inner mold 13 of the mold apparatus 11
In between, concrete is poured and hardened (concrete placing step) (step S5). (7) After the concrete is hardened, the jack 15 obtains a reaction force from the rod 16 to raise the formwork apparatus 11 (formwork moving step) (step S6). (8) After the operations (5) to (7) are repeated a predetermined number of times (step S7), the support column 3 is raised by the support column 3. (9) The above steps (4) to (8) are repeated a predetermined number of times (step S8) to build the Takahashi Pier 1. (10) After building the pier 1, the building device is disassembled (step S9). Note that (5) to (7) (steps S4 to S6)
It is also possible to carry out the above work continuously at the same time.

As described above, according to the construction apparatus and construction method for the tower-like structure of this embodiment, the construction work is performed with the roof 6 covering the upper part of the construction work site of the pier 1. Therefore, it is possible to continue the work without interrupting the construction work due to bad weather, and it is possible to eliminate the extension of the construction period due to bad weather.

Further, concrete is placed in a space surrounded by the outer mold 12 and the inner mold 13, and after the concrete is hardened, the outer mold 12 and the inner mold 13 are raised by the jacks 15. Then, the pier 1 can be constructed very easily by performing the above work again. As a result, the complicated formwork that has been necessary in the past,
In other words, it is possible to efficiently perform various operations such as moving, installing, demolding, and cleaning the formwork, which reduces the number of site workers and allows continuous construction work. The work period can be shortened.

Further, since the axial steel material 7 and the shear reinforcing steel material 8 arranged on the bridge pier 1 can be hoisted and installed at a predetermined place by the overhead crane 5 provided on the roof portion 6, the installation work is extremely difficult. It can be performed easily and efficiently. Further, it is not necessary to install and use a crane for hoisting materials around the construction site, and therefore it is possible to effectively use the space around the construction site or to construct in a narrow place. Furthermore, by raising the column 4 by the column support mechanism 3, a high pier can be easily constructed. In addition,
In the above embodiment, the pier is described as an example of the tower-like structure, but the tower-like structure that can be constructed by the tower-like structure building apparatus and the construction method of the present embodiment is not limited to the pier. Absent. Alternatively, the rod 16 provided for the jack 15 to obtain a reaction force may be extended upward and used as a pillar of the roof portion 6. In this case, as the rod 16, it is necessary to increase the rigidity by making the rod 6 thick enough to support the roof 6.

[0016]

As described above, according to the tower structure construction apparatus and construction method of the present invention, the following effects can be obtained. According to the tower structure construction apparatus of claim 1, the construction work can be performed in a state where the roof of the tower construction construction site is covered with the roof, so that the construction work in bad weather or the like can be performed. The work can be continued without interruption, and the construction period can be prevented from being prolonged due to bad weather. According to the apparatus for constructing a tower-like structure according to claim 2, concrete is placed in the space surrounded by the formwork, and after the concrete is hardened, the formwork is raised by the raising mechanism, and the above-mentioned form is again obtained. By performing work, or by placing concrete in a space surrounded by a formwork and simultaneously raising the formwork by a raising mechanism, it is extremely easy to make a concrete tower-like structure. Can be built. This makes it possible to efficiently perform the complicated work required in the past, that is, various works such as moving, installing, demolding, and cleaning the form, thereby reducing the number of site workers. In addition, the construction work can be performed continuously, and the construction period can be shortened.

According to the tower-structured construction apparatus of the third aspect, the crane or the like provided on the roof can lift up the material such as steel material arranged on the tower-shaped structure and install it at a predetermined place. Therefore, the installation work can be performed extremely easily and efficiently. Further, it is not necessary to install and use a crane for hoisting materials around the construction site, and therefore, it is possible to effectively use the space around the construction site of the tower structure or construct it in a narrow place. . According to the tower structure constructing apparatus of the fourth aspect, a tower supporting structure can be easily constructed by elevating the pillar by the pillar supporting mechanism.

According to the method for constructing a tower-like structure according to claim 5, it is extremely easy to carry out the step of arranging the shear-reinforced steel material, the step of placing concrete and the step of moving the formwork after arranging the axial steel material. In addition, a concrete tower-like structure can be constructed. Moreover, since the work is performed with the upper portion of the tower-like structure covered with the roof, the construction work can be performed without being affected by the weather. According to the method for constructing a tower-like structure according to claim 6, after repeating the shear reinforcing steel material arranging step, the concrete placing step and the form moving step a predetermined number of times, the pillar is raised and the axial steel material is removed by the crane. By disposing and again repeating the shear reinforcing steel material disposing step, the concrete placing step and the form moving step, it is possible to easily construct a higher-layer concrete tower-like structure.

[Brief description of drawings]

FIG. 1 is a side view of a bridge pier and a construction device in the process of construction for explaining an embodiment of a construction device and a construction method for a tower structure according to the present invention.

FIG. 2 is a cross-sectional view of a pier in the middle of construction for explaining an embodiment of a tower structure construction apparatus and construction method according to the present invention.

FIG. 3 is a flow chart diagram for explaining a bridge pier construction work process by the tower structure construction method of the embodiment of the present invention.

[Explanation of symbols]

 1 Bridge Pier (Tower-like Structure) 3 Strut Support Mechanism 4 Strut 5 Ceiling Crane (Crane) 6 Roof 7 Axial Steel 8 Shear Reinforced Steel 11 Formwork Device 12 Outer Form (Form) 13 Inner Form (Form) ) 15 Jack (lift mechanism)

Continuation of front page (51) Int.Cl. ⁶ Identification code Office reference number FI Technical display area E04H 12/12 12/34

Claims (6)

[Claims] 1. A pillar provided upright along a tower-like structure to be constructed, and a roof portion supported at an upper end of the pillar so as to cover an upper portion of the tower-like structure. Equipment for building tower-like structures. 2. A formwork apparatus having a formwork arranged so as to surround a construction site serving as a skeleton of the tower-shaped structure, and a raising mechanism for raising the formwork is provided. The apparatus for constructing a tower-like structure according to claim 1. 3. The tower structure building apparatus according to claim 1, wherein the roof portion is provided with a crane for lifting materials such as steel materials. 4. The tower structure according to claim 1, further comprising a pillar support mechanism that supports and raises the pillar along the tower structure. Equipment for building things. 5. A tower to be constructed while supporting a roof part provided with a crane so that the upper end of a pillar standing upright along the tower-like structure to be constructed covers the upper part of the tower-like structure. A formwork that can be raised by a lifting mechanism is installed so as to surround the construction site of the structure-like structure, and an axial steel material is arranged at the construction site of the structure by the crane, and then to the construction site of the structure. A shear reinforcing steel material arranging step of arranging a shear reinforcing steel material, a concrete placing step of placing concrete at a construction site of the skeleton, and a form moving step of raising the form are sequentially repeated, or at the same time. A construction method for tower-like structures characterized by being carried out continuously. 6. After repeating the shear reinforcing steel material arranging step, the concrete placing step and the form moving step a predetermined number of times, the column is raised, the axial steel material is disposed by the crane, and the shearing is again performed. The method for constructing a tower-like structure according to claim 5, wherein the step of disposing the reinforcing steel material, the step of placing concrete, and the step of moving the formwork are repeatedly performed or simultaneously performed continuously.