JP2008169676A - Construction method of tower-like structure - Google Patents

Construction method of tower-like structure Download PDF

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JP2008169676A
JP2008169676A JP2007006414A JP2007006414A JP2008169676A JP 2008169676 A JP2008169676 A JP 2008169676A JP 2007006414 A JP2007006414 A JP 2007006414A JP 2007006414 A JP2007006414 A JP 2007006414A JP 2008169676 A JP2008169676 A JP 2008169676A
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crown
tower
tower body
temporary
lifting
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Yutaka Hirose
豊 廣瀬
Koji Kondo
弘司 近藤
Akira Inubushi
昭 犬伏
Yasuyuki Saraumi
康行 皿海
Yoji Moroi
陽児 諸井
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Shimizu Construction Co Ltd
Shimizu Corp
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Shimizu Construction Co Ltd
Shimizu Corp
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Abstract

<P>PROBLEM TO BE SOLVED: To provide a construction method capable of reducing cost for securing safety, even in a tower-like structure having a living room part in a tower upper part. <P>SOLUTION: This tower-like structure is constructed via a temporary column assembling process of temporarily fixing a temporary column 1 to a foundation, a crown part constructing process of liftably constructing a crown part 2 around a lower part of the temporary column 1 to the temporary column 1, a crown part lift-up process of lifting and fixing the crown part 2 to the temporary column 1, a temporary column lift-up process of constructing a tower body skeleton 5 on the foundation being a lower part of the lifted crown part 2 and lifting the temporary column 1 by releasing a temporary fixing state of the foundation and the temporary column 1, a cycle process of gradually stacking a tower body skeleton 5 on the tower body skeleton 5 by repeating a tower body skeleton constructing process of constructing the tower body skeleton 5 on the tower body skeleton 5 and a climbing process of lifting the crown part 2 to the tower body skeleton 5, and a joining process of joining the crown part 2 and the tower body skeleton 5 by lowering the crown part 2 after constructing the tower body skeleton 5 of the desired height. <P>COPYRIGHT: (C)2008,JPO&INPIT

Description

本発明は、塔状構造物の施工方法に関し、管制塔や展望塔のように、塔体躯体から外方に張り出した管制室や展望室等の冠部を塔上部に備えた塔状構造物に好適な塔状構造物の施工方法に関するものである。   The present invention relates to a method for constructing a tower-like structure, such as a control tower and an observation tower, and a tower-like structure provided with a crown portion of a control room or an observation room protruding outward from the tower body at the top of the tower. It is related with the construction method of a tower-like structure suitable for.

建屋の外周部を先行して施工する一方、該建屋の内周部において鉄塔の頂部を組み立て、その後、建屋の内周部において塔体ユニットの接合とプッシュアップとを繰り返すことにより、建屋上に鉄塔を構築する鉄塔の施工方法が知られている。この施工方法によれば、施工する鉄塔の脇に大型のタワークレーンや移動式クレーンを設置する必要がなく、高所作業が少なくて済むという利点を有している（例えば、特許文献１参照）。しかしながら、建屋を有しない構造物では、建屋の内周部において塔体ユニットの接合とプッシュアップとを繰り返すことができない。   While constructing the outer periphery of the building in advance, assembling the top of the steel tower at the inner periphery of the building, and then repeating the joining and push-up of the tower unit at the inner periphery of the building, A construction method of a steel tower for constructing a steel tower is known. According to this construction method, there is no need to install a large tower crane or a mobile crane on the side of the steel tower to be constructed, and there is an advantage that work at high places is reduced (see, for example, Patent Document 1). . However, in a structure that does not have a building, it is not possible to repeat the joining and push-up of tower units at the inner periphery of the building.

下部鉄塔の内側において上部鉄塔を組み立て、その後、下部鉄塔から上部鉄塔を引き上げて上部鉄塔の下方部と下部鉄塔の上方部とを接合することにより、鉄塔を構築する鉄塔の施工方法が知られている。この施工方法によれば、施工する鉄塔の脇に大型のタワークレーンや移動式クレーンを設置する必要がなく、しかも建屋を有しない鉄塔も施工できるという利点を有している（例えば、特許文献２参照）。   There is a known construction method of a steel tower that assembles a steel tower by assembling an upper steel tower inside the lower steel tower, and then pulling the upper steel tower from the lower steel tower and joining the lower part of the upper steel tower and the upper part of the lower steel tower. Yes. According to this construction method, there is no need to install a large tower crane or a mobile crane on the side of the steel tower to be constructed, and there is an advantage that a steel tower without a building can also be constructed (for example, Patent Document 2). reference).

特許第３４４６１５３号公報Japanese Patent No. 3446153 特開２００２−１８８３２２号公報JP 2002-188322 A

しかしながら、管制塔や展望塔のように、躯体塔体から外方に張り出した管制室や展望室等の冠部を上部に備えた塔状構造物では、下部塔状構造物の内部で上部塔状構造物を組み立て、下部塔状構造物から上部塔状構造物を引き上げて上部塔状構造物の下方部と下部塔状構造物の上方部とを接合するというような施工方法を採用することができない。このため、冠部の施工は、高所作業が中心となり、落下養生等の安全防護のための費用が嵩んでいた。   However, in the case of a tower-like structure having a crown part such as a control room or an observation room that protrudes outward from the frame tower body, such as a control tower or an observation tower, the upper tower is located inside the lower tower structure. A construction method in which the upper structure is assembled from the lower tower structure and the lower part of the upper tower structure is joined to the upper part of the lower tower structure. I can't. For this reason, the construction of the crown was centered on work at high places, and the cost for safety protection such as drop curing was high.

本発明は、上記に鑑みてなされたものであって、管制塔や展望塔のように、塔上部に管制室や展望室等の冠部を備えた塔状構造物であっても、安全防護のための費用を低減可能な施工方法を提供することを目的とする。   The present invention has been made in view of the above, and even if it is a tower-like structure having a crown portion such as a control room or an observation room in the upper part of the tower, such as a control tower or an observation tower, safety protection is provided. An object is to provide a construction method capable of reducing the cost for the construction.

上述した課題を解決し、目的を達成するために、本発明の請求項１に係る塔状構造物の施工方法は、塔体躯体の上部に、塔体躯体の横断面よりも外方に張り出した横断面を有する冠部を備えた塔状構造物の施工方法において、仮設支柱を基礎に仮固定する仮設支柱組立工程と、仮設支柱の下部周りに冠部を仮設支柱に対してリフトアップ可能に構築する冠部構築工程と、冠部をリフトアップし、仮設支柱の上部に固定することにより、冠部と仮設支柱とを一体化する冠部リフトアップ工程と、リフトアップした冠部の下方となる基礎の上に塔体躯体を施工する一方、基礎と仮設支柱との仮固定状態を解除し、一体化した冠部と仮設支柱とを塔体躯体に対してリフトアップさせる仮設支柱リフトアップ工程と、既設の塔体躯体の上に新たに塔体躯体を施工する塔体躯体施工工程と、新たに施工した塔体躯体に対して一体化した冠部と仮設支柱とをクライミングさせるクライミング工程とを繰り返すことにより、既設の塔体躯体の上に新たな塔体躯体を漸次積み上げるサイクル工程と、所望の高さの塔体躯体を構築した後に一体化した冠部と仮設支柱とを下降させ、冠部と塔体躯体とを接合する接合工程とを有することを特徴とする。   In order to solve the above-described problems and achieve the object, a method for constructing a tower-like structure according to claim 1 of the present invention projects to the upper part of the tower body outward from the cross section of the tower body. In the method of constructing a tower-like structure with a crown having a transverse cross section, the temporary strut assembly process for temporarily fixing the temporary strut as a foundation, and the crown can be lifted up with respect to the temporary strut around the lower portion of the temporary strut The crown construction process to construct the crown, the crown is lifted up, and fixed to the upper part of the temporary support column, so that the crown part and the temporary support column are integrated, and the lower part of the lifted crown part Temporary strut lift-up that constructs the tower body on the foundation to be removed, releases the temporarily fixed state between the foundation and the temporary strut, and lifts the integrated crown and temporary strut to the tower body Process and new tower on top of existing tower By repeating the tower building construction process for constructing the body and the climbing process for climbing the crown and temporary column integrated with the newly constructed tower body, a new one is built on the existing tower body. A cycle step of gradually stacking the tower body, and a joining step of lowering the integrated crown and temporary column after constructing the tower body of a desired height and joining the crown and the tower body It is characterized by having.

また、本発明の請求項２に係る塔状構造物の施工方法は、上記請求項１において、前記冠部リフトアップ工程においてリフトアップした冠部に、資材を揚重する揚重搬送システムを吊り下げ、前記揚重搬送システムを用いて塔体躯体を構成する資材を揚重することを特徴とする。   Moreover, the construction method of the tower-like structure which concerns on Claim 2 of this invention hangs the lifting conveyance system which lifts material to the crown part lifted up in the said crown part lift-up process in the said Claim 1. The material which comprises lowering | lifting and lifting the material which comprises a tower-body frame using the said lifting conveyance system is characterized by the above-mentioned.

また、本発明の請求項３に係る塔状構造物の施工方法は、上記請求項１または２において、前記冠部リフトアップ工程においてリフトアップした冠部に、施工した塔体躯体の最上部を覆う養生システムを吊り下げ、養生システムが冠部とともにクライミングすることを特徴とする。   Moreover, the construction method of the tower-shaped structure which concerns on Claim 3 of this invention is the crown part lifted up in the said crown part lift-up process in the said Claim 1 or 2, The uppermost part of the constructed tower body frame is attached to the crown part. The covering curing system is suspended and the curing system climbs together with the crown.

また、本発明の請求項４に係る塔状構造物の施工方法は、上記請求項１〜３のいずれか一つにおいて、前記サイクル工程においてクライミングした仮設支柱に、資材を揚重するコア内部用揚重搬送システムを吊り下げ、前記コア内部用揚重搬送システムを用いて塔体躯体の内部を構成する資材を揚重することを特徴とする。   Moreover, the construction method of the tower-like structure which concerns on Claim 4 of this invention is for the core inside which lifts material to the temporary support | pillar which climbed in the said cycle process in any one of the said Claims 1-3. The lifting and conveying system is suspended, and the material constituting the inside of the tower body is lifted using the lifting and conveying system for the inside of the core.

また本発明の請求項５に係る塔状構造物の施工方法は、上記請求項３において、前記塔体躯体施工工程において塔体躯体を構成する外壁材を支持する控えを前記養生システムからとることを特徴とする。   Moreover, the construction method of the tower-like structure which concerns on Claim 5 of this invention is taken in the said Claim 3 from the said curing system the support which supports the outer wall material which comprises a tower body frame in the said tower body structure construction process. It is characterized by.

本発明に係る塔状構造物の施工方法は、基礎に仮固定した仮設支柱の下部周りに冠部を仮設支柱に対してリフトアップ可能に構築した後、冠部をリフトアップし、仮設支柱の上部に冠部を固定することにより冠部と仮設支柱とを一体化する。続いて、リフトアップした冠部の下方となる基礎の上に塔体躯体を施工する一方、基礎と仮設支柱との仮固定状態を解除し、一体化した冠部と仮設支柱とを塔体躯体に対してリフトアップする。その後、既設の塔体躯体の上に新たに塔体躯体を施工する塔体躯体施工工程と、新たに施工した塔体躯体に対して一体化した幹部と仮設支柱とをクライミングさせるクライミング工程とを繰り返すことにより、既設の塔体躯体の上に新たな塔体躯体を順次積み重ねる。このようにして、所望の高さの塔体躯体を施工した後、冠部を下降させ、冠部と塔体躯体とを接合する。本発明に係る塔状構造物の施工方法によれば、管制塔や展望塔のように、塔上部に管制室や展望室等の冠部を有する塔状構造物であっても、地上近くで冠部を施工するので、高所作業を減ずることができ、安全防護のための費用を低減することができる。   The construction method of the tower-like structure according to the present invention is such that the crown is constructed so that the crown can be lifted up with respect to the temporary support around the lower portion of the temporary support temporarily fixed to the foundation, and then the crown is lifted up. The crown part and the temporary support column are integrated by fixing the crown part to the upper part. Subsequently, the tower body is constructed on the foundation below the lifted crown, while the temporarily fixed state between the foundation and the temporary support column is released, and the integrated crown part and the temporary support column are connected to the tower body. Lift up against. After that, a tower body construction process for constructing a new tower body on the existing tower body, and a climbing process for climbing a trunk and a temporary support column integrated with the newly constructed tower body By repeating, new tower bodies are sequentially stacked on the existing tower body. Thus, after constructing the tower body of a desired height, the crown part is lowered and the crown part and the tower body are joined. According to the method for constructing a tower-like structure according to the present invention, even a tower-like structure having a crown such as a control room or an observation room in the upper part of the tower, such as a control tower or an observation tower, near the ground. Since the crown is constructed, the work at high places can be reduced, and the cost for safeguarding can be reduced.

以下に、本発明に係る塔状構造物の施工方法の実施の形態を図面に基づいて詳細に説明する。なお、この実施の形態によりこの発明が限定されるものではない。   Hereinafter, an embodiment of a construction method for a tower structure according to the present invention will be described in detail with reference to the drawings. Note that the present invention is not limited to the embodiments.

本発明に係る塔状構造物の施工方法を適用して施工した管制塔は、航空機が安全に離着陸できるように、航空機に指示を与え誘導するために空港に設置された塔状構造物であって、塔体躯体の最上部に塔体躯体の横断面よりも外方に張り出した横断面を有する冠部を備えている。   The control tower constructed by applying the construction method of the tower-like structure according to the present invention is a tower-like structure installed at the airport in order to give instructions to and guide the aircraft so that the aircraft can take off and land safely. In addition, a crown portion having a cross section projecting outward from the cross section of the tower body frame is provided at the top of the tower body body.

本実施の形態である塔状構造物は、仮設支柱組立工程、冠部構築工程、揚重搬送システム組立工程、冠部リフトアップ工程、建屋施工工程、外周養生システム設置工程、立上施工工程、仮設支柱リフトアップ工程、コア内部用揚重搬送システム組立工程、標準サイクル施工工程を経て塔体躯体が施工される。   The tower-like structure according to the present embodiment includes a temporary support assembly process, a crown construction process, a lifting and conveying system assembly process, a crown lift-up process, a building construction process, a peripheral curing system installation process, a startup construction process, The tower body is constructed through a temporary support lift process, a core internal lifting and conveying system assembly process, and a standard cycle construction process.

仮設支柱組立工程は、図１に示すように、仮設支柱１をアンカーボルト１１によって基礎に仮固定する工程である。仮設支柱１は、平面視正方形となる塔状を呈した支柱であって、分解可能である。そして、組み立てられた仮設支柱１は、アンカーボルト１１によって自立する。   The temporary support column assembling step is a step of temporarily fixing the temporary support column 1 to the foundation with the anchor bolts 11 as shown in FIG. The temporary support column 1 is a column-shaped support column having a square shape in plan view and can be disassembled. Then, the assembled temporary support column 1 is self-supported by the anchor bolt 11.

冠部構築工程は、図２に示すように、上述した仮設支柱組立工程で組み立てられた仮設支柱１の下部周りに、管制塔の冠部２の下層部分２０を構築する工程である。この工程で構築される冠部２の下層部分２０は、二階層となっており、上方に位置する中一層２２のほうが下方に位置する最下層２１よりも外方に張り出すように構築される。この工程で構築された冠部の下層部分は、仮設支柱に対してリフトアップ（上昇）可能となっている。   As shown in FIG. 2, the crown construction step is a step of constructing a lower layer portion 20 of the crown portion 2 of the control tower around the lower portion of the temporary support column 1 assembled in the temporary support column assembly step described above. The lower layer portion 20 of the crown portion 2 constructed in this process has two layers, and is constructed so that the middle layer 22 positioned above projects outward from the lowermost layer 21 positioned below. . The lower layer portion of the crown portion constructed in this process can be lifted (raised) with respect to the temporary support column.

揚重搬送システム組立工程は、図３に示すように、冠部構築工程において構築された冠部の下層部分２０に揚重搬送システム３を組み立てる工程である。揚重搬送システム３は、冠部２の下層部分２０の下方に塔体躯体を構成する外壁材（外壁ＰＣＦ）、鉄筋材等の資材の揚重と取り付けを行うためのものであり、図２１に示すように、仮設梁３１、クレーンレール３２、テルハクレーン３３より構成される。仮設梁３１は、冠部２よりもさらに外方に張り出すように組み立ててあり、冠部２の下層部分２０の下面に吊り下げられる。クレーンレール３２は、テルハクレーン３３が仮設支柱１の周りを走行するためのガイドであって、左右一対となるレールが矩形となるように配設してある。そして、矩形に配設したクレーンレール３２の角部には、ターンテーブル３４が取り付けてある。テルハクレーン３３は、外壁材（外壁ＰＣＦ）、鉄筋材等の資材を揚重するものであって、上述したクレーンレール３２を走行可能であって、ターンテーブル３４において走行方向を変更可能である。   As shown in FIG. 3, the lifting and conveying system assembly process is a process of assembling the lifting and conveying system 3 to the lower layer portion 20 of the crown constructed in the crown construction process. The lifting and conveying system 3 is for lifting and attaching materials such as an outer wall material (outer wall PCF) and a reinforcing bar material constituting the tower body below the lower layer portion 20 of the crown portion 2. As shown in FIG. 3, the beam is composed of a temporary beam 31, a crane rail 32, and a Telha crane 33. The temporary beam 31 is assembled so as to protrude further outward than the crown portion 2, and is suspended from the lower surface of the lower layer portion 20 of the crown portion 2. The crane rail 32 is a guide for the Teruha crane 33 to travel around the temporary support column 1 and is arranged so that a pair of left and right rails are rectangular. And the turntable 34 is attached to the corner | angular part of the crane rail 32 arrange | positioned at a rectangle. The Telha crane 33 lifts materials such as an outer wall material (outer wall PCF), a reinforcing bar material, can travel on the crane rail 32 described above, and can change a traveling direction on the turntable 34.

冠部リフトアップ工程は、油圧ジャッキ４を用いて、図４に示すように、冠部２をリフトアップする工程である。リフトアップされた冠部２は、仮設支柱１の上部に固定され、冠部２と仮設支柱１とは一体となる。そして、仮設支柱１の周りに塔体躯体５の施工スペースが確保される。また、この工程では、冠部２の上層部分２３が構築される。この工程で構築される冠部の上層部分は、二階層となっており、上層に位置する最上層２５のほうが下層に位置する中二層２４よりも外方に張り出すように構築される。この工程で構築された最上層２５は管制室（ＶＦＲ室）となり、中二層２４はエレベータホールとなる。   The crown lift-up process is a process of lifting the crown 2 using the hydraulic jack 4 as shown in FIG. The lifted crown portion 2 is fixed to the upper portion of the temporary support column 1, and the crown portion 2 and the temporary support column 1 are integrated. And the construction space of the tower frame 5 is ensured around the temporary support column 1. In this step, the upper layer portion 23 of the crown 2 is constructed. The upper layer portion of the crown portion constructed in this process has two layers, and the uppermost layer 25 located in the upper layer is constructed so as to protrude outward from the middle two layers 24 located in the lower layer. The uppermost layer 25 constructed in this process is a control room (VFR room), and the middle two layers 24 are elevator halls.

建屋施工工程は、仮設支柱１の周りに確保された塔体躯体５の施工スペースに、図４に示すように、塔体躯体５を構築する工程で、基礎の上に、支保工（図示せず）、型枠（図示せず）を組み、コンクリート（図示せず）を打設（現場打ち）することにより構築される。   The building construction process is a process of constructing the tower body 5 as shown in FIG. 4 in the construction space of the tower body 5 secured around the temporary support column 1. 1), a formwork (not shown) is assembled, and concrete (not shown) is placed (on-site).

外周養生システム設置工程は、図５に示すように、外周養生システム６を設置する工程である。外周養生システム６は、施工した塔体躯体５の最上部を覆うものであり、塔体躯体５の最上部における風散、飛散、墜落、落下災害を防止する。外周養生システム６は、仮設梁３１の下面縁部に等間隔に吊り下げた足場６１と、この足場６１の周りに張られたメッシュシート６２とにより円筒状となるように構成してある。   The outer periphery curing system installation process is a process of installing the outer periphery curing system 6, as shown in FIG. The outer periphery curing system 6 covers the uppermost part of the constructed tower body 5 and prevents wind scattering, scattering, falling, and falling disasters at the uppermost part of the tower body 5. The outer periphery curing system 6 is configured to have a cylindrical shape by a scaffold 61 suspended from the lower surface edge of the temporary beam 31 at equal intervals and a mesh sheet 62 stretched around the scaffold 61.

立上施工工程は、図６に示すように、建屋施工工程において構築した塔体躯体５の上にさらに塔体躯体５を施工する工程である。この工程では、上述した揚重搬送システム組立工程において組み立てた揚重搬送システム３により、外壁材５１（外壁ＰＣＦ）、鉄筋材等の資材が揚重され、施工される。この立上施工工程（外壁材５１の施工工程）において、外壁材５１（外壁ＰＣＦ）の傾斜あるいは倒壊を防ぐ控え（外壁ＰＣＦを支持する部材）を外周養生システム６からとることもできる。また、施工された塔体躯体５の上面には、内部下段足場６３、内部中段足場６４、内部上段足場６５が組み立てられ、これら足場６３，６４，６５の盛り替えはテルハクレーン３３によって行われる。   As shown in FIG. 6, the start-up construction process is a process of further constructing the tower body 5 on the tower body 5 constructed in the building construction process. In this process, materials such as the outer wall material 51 (outer wall PCF) and the reinforcing bar material are lifted and constructed by the lifting and conveying system 3 assembled in the above-described lifting and conveying system assembling process. In this start-up construction process (construction process of the outer wall material 51), a reserve (a member that supports the outer wall PCF) that prevents the outer wall material 51 (outer wall PCF) from being inclined or collapsed can be taken from the outer periphery curing system 6. Further, an internal lower stage scaffold 63, an internal middle stage scaffold 64, and an internal upper stage scaffold 65 are assembled on the upper surface of the constructed tower body 5, and the scaffolds 63, 64, 65 are replaced by the Telha crane 33.

仮設支柱リフトアップ工程は、アンカーボルト１１によって基礎に仮固定された仮設支柱１の仮固定状態を解除し、図７に示すように、施工された塔体躯体５から反力をとって、一体化した冠部２と仮設支柱１とを塔体躯体５に対してリフトアップ（上昇）させる工程である。   The temporary strut lift-up step releases the temporarily fixed state of the temporary strut 1 temporarily fixed to the foundation by the anchor bolt 11, and, as shown in FIG. 7, takes the reaction force from the constructed tower body 5 and integrates it. This is a step of lifting (raising) the crown portion 2 and the temporary support column 1 with respect to the tower body 5.

コア内部用揚重搬送システム組立工程は、図７に示すように、仮設支柱リフトアップ工程において上昇した仮設支柱１の下面にコア内部用揚重搬送システム７を組み立てる工程である。コア内部用揚重搬送システム７は、コア（塔体躯体５）内部の躯体工事（例えば、鉄骨工事）に用いる資材の揚重と取り付けを行うためのものであり、天井クレーン７１により構成される。天井クレーン７１は、上昇した仮設支柱１の下面に吊り下げて設置される。なお、コア（塔体躯体５）の内部への資材搬入には、ダメ開口（図示せず）あるいはエレベータシャフトなどが用いられる。   As shown in FIG. 7, the core internal lifting / conveying system assembly process is a process of assembling the core internal lifting / conveying system 7 on the lower surface of the temporary support column 1 raised in the temporary support column lift-up process. The core internal lifting / conveying system 7 is for lifting and attaching materials used for the frame construction (for example, steel frame construction) inside the core (tower frame 5), and is constituted by an overhead crane 71. . The overhead crane 71 is installed suspended from the lower surface of the raised temporary support column 1. In addition, a dead opening (not shown), an elevator shaft, etc. are used for material conveyance in the inside of a core (tower frame 5).

標準サイクル施工工程は、冠部２をクライミング（上昇）させ、冠部２の下方において既設の塔体躯体５に新たな塔体躯体５を積み上げる工程で、一サイクルで一階層分の塔体躯体５が施工される。標準サイクル施工工程は、冠部クライミング工程、外壁建方工程、コア内建方工程、鉄筋建込工程、内部足場盛替工程、埋込金物建方工程、型枠建込工程、コンクリート打設工程を有し、例えば、七日で一階層分の塔体躯体を施工できる。   The standard cycle construction process is a process of climbing (raising) the crown part 2 and stacking a new tower body 5 on the existing tower body 5 below the crown part 2. 5 is constructed. Standard cycle construction process is crown climbing process, outer wall erection process, core erection process, reinforcing bar erection process, internal scaffolding replacement process, embedded hardware erection process, formwork erection process, concrete laying process For example, a tower body for one layer can be constructed in seven days.

標準サイクル工程の一日目は、図８に示すように、冠部クライミング工程に費やされる。冠部クライミング工程では、施工された塔体躯体５から反力をとって、一体化した冠部２と仮設支柱１とが塔体躯体５に対して一階層分だけクライミング（上昇）する。   The first day of the standard cycle process is spent on the crown climbing process as shown in FIG. In the crown climbing step, reaction force is taken from the constructed tower body 5, and the integrated crown part 2 and the temporary support column 1 climb (rise) the tower body 5 by one layer.

標準サイクル工程の二日目と三日目は、図９に示すように、外壁（ＰＣＦ）建方工程、コア内建方工程に費やされる。外壁建方工程では、揚重搬送システム３を用いて外壁材（ＰＣＦ）５１が揚重及び移送され、塔体躯体５の外壁が組み立てられる。コア内建方工程では、コア内部用揚重搬送システム７を用いて足場７２及び資材が揚重され、塔体躯体５の内部（例えば、階段）が施工される。   As shown in FIG. 9, the second and third days of the standard cycle process are spent on the outer wall (PCF) erection process and the core erection process. In the outer wall construction process, the outer wall material (PCF) 51 is lifted and transferred using the lifting and conveying system 3, and the outer wall of the tower body 5 is assembled. In the in-core construction process, the scaffold 72 and the material are lifted using the core internal lifting conveyance system 7, and the inside (for example, stairs) of the tower body 5 is constructed.

標準サイクル工程の四日目は、図１０に示すように、鉄筋建込工程、内部足場盛替工程、コア内建方工程に費やされる。鉄筋建込工程では、外壁建方工程において組み立てられた外壁の内側に鉄筋が組み立てられる。内部足場盛替工程では、施工が済んだ階層で用いていた足場７２がこれから施工する階層に揚重される。   As shown in FIG. 10, the fourth day of the standard cycle process is spent on the reinforcing bar building process, the internal scaffold replacement process, and the in-core construction process. In the reinforcing bar building process, the reinforcing bars are assembled inside the outer wall assembled in the outer wall building process. In the internal scaffold replacement process, the scaffold 72 used at the level where the construction has been completed is lifted to the level where the construction will be performed.

標準サイクル工程の五日目は、図１１に示すように、埋込金物建方工程、コア内建方工程に費やされる。埋込金物建方工程では、塔体躯体５の内部に必要な金物が設置される。   As shown in FIG. 11, the fifth day of the standard cycle process is spent on the embedded hardware building process and the in-core building process. In the embedded hardware building process, necessary hardware is installed inside the tower frame 5.

標準サイクル工程の六日目は、図１２に示すように、型枠建込工程、コア内建方工程に費やされる。型枠建込工程では、コンクリートの打設に必要な型枠が組み立てられる。   As shown in FIG. 12, the sixth day of the standard cycle process is spent on the formwork building process and the in-core building process. In the formwork building process, the formwork necessary for placing concrete is assembled.

標準サイクルの七日目は、図１３に示すように、コンクリート打設工程、コア内建方工程に費やされる。コンクリート打設工程では、外壁と型枠との間にコンクリートが打設される。   The seventh day of the standard cycle is spent on the concrete placing process and the in-core construction process as shown in FIG. In the concrete placing process, concrete is placed between the outer wall and the formwork.

この標準サイクルを繰り返すことにより、一階層ずつ塔体躯体５が施工され、所望の高さまで塔体躯体５が施工される。   By repeating this standard cycle, the tower body 5 is constructed one layer at a time, and the tower body 5 is constructed to a desired height.

そして、本実施の形態である塔状構造物は、外周養生／クレーン解体工程、冠部下降工程、冠部と塔体躯体の接合／仕上工程、クレーン移設工程、コア内仮設材解体工程、コア内残工事工程、天井クレーン解体工程を経て完成する。   And the tower-like structure which is this Embodiment is the outer periphery curing / crane dismantling process, the crown lowering process, the joining / finishing process of the crown and tower body, the crane moving process, the temporary material dismantling process in the core, the core It is completed through the remaining construction work and the overhead crane dismantling process.

外周養生／クレーン解体工程は、図１４に示すように、外周養生システム６を降ろすとともに、揚重搬送システム３のテルハクレーン３３を解体する工程である。外周養生システム６は、円筒状のまま、一括して降ろされる。   As shown in FIG. 14, the outer periphery curing / crane dismantling step is a step of lowering the outer periphery curing system 6 and dismantling the Telha crane 33 of the lifting and conveying system 3. The outer periphery curing system 6 is lowered in a lump in a cylindrical shape.

冠部下降工程は、図１５に示すように、所定の高さまで冠部を下降させる工程である。冠部２は、仮設支柱１とともにリフトダウンされ、冠部２は所定の高さまで下降する。   As shown in FIG. 15, the crown descending step is a step of descending the crown to a predetermined height. The crown portion 2 is lifted down together with the temporary support column 1, and the crown portion 2 is lowered to a predetermined height.

冠部と塔体躯体の接合／仕上工程は、図１６に示すように、冠部２と塔体躯体５とを接合するとともに、接合部を仕上げる工程である。この工程において、仮設梁３１を中一層２２の屋根から吊り下げ、この仮設梁３１は作業ステージ（吊足場）として使用される。   The joining / finishing step of the crown and the tower body is a step of joining the crown 2 and the tower body 5 and finishing the joint as shown in FIG. In this step, the temporary beam 31 is suspended from the roof of the middle layer 22 and the temporary beam 31 is used as a work stage (suspending scaffold).

クレーン移設工程は、図１７に示すように、コア内部用揚重搬送システム７の天井クレーン７１を中一層に移設させる工程である。天井クレーン７１は、中二層に設置されたウインチ７３により引き上げられ、中一層２２の天井に設置される。   As shown in FIG. 17, the crane relocation process is a process of relocating the overhead crane 71 of the core internal lifting and conveying system 7 to the middle layer. The overhead crane 71 is pulled up by the winch 73 installed in the middle two layers and installed on the ceiling of the middle layer 22.

コア内仮設材解体工程は、図１８に示すように、塔体躯体５の内部に設置した仮設材（例えば、足場）、仮設支柱１を解体し、搬出する工程である。この工程では、クレーン移設工程で移設された天井クレーン７１を用いて仮設材、解体された仮設支柱１が搬出される。   As shown in FIG. 18, the in-core temporary material dismantling step is a step of dismantling and carrying out the temporary material (for example, the scaffold) and the temporary support column 1 installed in the tower body 5. In this process, the temporary material 1 and the dismantled temporary support column 1 are carried out using the overhead crane 71 transferred in the crane transfer process.

コア内残工事工程は、図１９に示すように、塔体躯体５の内部において残った工事を行う工程である。この工程では、天井クレーン７１を用いて、例えば、階段７４が施工される。   As shown in FIG. 19, the in-core remaining work process is a process of performing the work remaining in the tower body 5. In this step, for example, a staircase 74 is constructed using the overhead crane 71.

天井クレーン解体工程は、図２０に示すように、天井クレーン７１を解体する工程である。この工程で解体された天井クレーン７１は、中二層２４に設置されたウインチ７３により吊り下げられ、搬出される。   The overhead crane dismantling step is a step of dismantling the overhead crane 71 as shown in FIG. The overhead crane 71 dismantled in this process is suspended by a winch 73 installed in the middle two layers 24 and carried out.

上述した本発明の実施の形態である塔状構造物の施工方法によれば、管制塔や展望塔のように、塔上部に躯体塔体５の横断面よりも外方に張り出した横断面を有する冠部を備えた塔状構造物であっても、地上近くで冠部２を施工するので、高所作業を減ずることができ、安全防護のための費用を低減することができる。   According to the construction method of the tower-like structure according to the embodiment of the present invention described above, a cross section that protrudes outward from the cross section of the frame tower body 5 at the top of the tower, such as a control tower and an observation tower, is provided. Even in the case of a tower-like structure having a crown portion, the crown portion 2 is constructed near the ground, so that work at high places can be reduced, and the cost for safety protection can be reduced.

また、本発明の実施の形態である塔状構造物の施工方法によれば、冠部２に揚重搬送システム３を吊り下げ、揚重搬送システム３を用いて塔体躯体５を構成する資材を揚重するので、別途タワークレーン等の揚重機を設置する必要がなく、施工現場の脇に十分な空地がない場合でも塔状構造物を施工することができる。   Moreover, according to the construction method of the tower-like structure which is the embodiment of the present invention, the material for suspending the lifting and conveying system 3 from the crown 2 and configuring the tower body 5 using the lifting and conveying system 3 Therefore, it is not necessary to separately install a lifting machine such as a tower crane, and a tower structure can be constructed even when there is not enough open space beside the construction site.

また、本発明の実施の形態である塔状構造物の施工方法によれば、冠部２に外周養生システム６を吊り下げ、外周養生システム６が冠部２とともにクライミングするので、冠部２がクライミングする度に養生を施す必要がない。   Moreover, according to the construction method of the tower-shaped structure which is embodiment of this invention, since the outer periphery curing system 6 is suspended by the crown part 2 and the outer periphery curing system 6 climbs with the crown part 2, the crown part 2 is There is no need to take care every time you climb.

また、本発明の実施の形態である塔状構造物の施工方法によれば、サイクル工程においてクライミングした仮設支柱１にコア内部用揚重搬送システム７を吊り下げ、コア内部用揚重搬送システム７を用いて塔体躯体の内部を構成する資材を揚重するので、塔体躯体外部の影響を受けることがない。   Moreover, according to the construction method of the tower-like structure which is the embodiment of the present invention, the core internal lifting and conveying system 7 is suspended from the temporary support column 1 climbed in the cycle process, and the core internal lifting and conveying system 7 is suspended. Since the material which comprises the inside of a tower body is lifted using, it does not receive the influence of the outside of a tower body.

また、塔体躯体５の上にさらに塔体躯体５を施工する立上施工工程（外壁材５１の施工工程）において、外壁材５１（外壁ＰＣＦ）を支持する控えを外周養生システムからとれば、塔体躯体の背壁に配筋、型枠工事に際して鉄筋及び型枠と控えとの干渉を考慮する必要がない。   Further, in the start-up construction process for constructing the tower body 5 on the tower body 5 (the construction process of the outer wall material 51), if a support for supporting the outer wall material 51 (outer wall PCF) is taken from the outer periphery curing system, There is no need to consider the interference between the reinforcing bars and the formwork and the refuge when placing reinforcement and formwork on the back wall of the tower body.

仮設支柱組立工程を示す概念図である。It is a conceptual diagram which shows a temporary support | pillar assembly process. 冠部構築工程を示す概念図である。It is a key map showing a crown construction process. 揚重搬送システム組立工程を示す概念図である。It is a conceptual diagram which shows a lifting conveyance system assembly process. 冠部リフトアップ工程及び建屋施工工程を示す概念図である。It is a conceptual diagram which shows a crown part lift-up process and a building construction process. 外周養生システム設置工程を示す概念図である。It is a conceptual diagram which shows an outer periphery curing system installation process. 立上施工工程を示す概念図である。It is a conceptual diagram which shows a start-up construction process. 仮設支柱リフトアップ工程及びコア内部用揚重システム組立工程を示す概念図である。It is a conceptual diagram which shows a temporary support | pillar lift up process and a core internal lifting system assembly process. 標準サイクル工程の一日目の工程を示す概念図である。It is a conceptual diagram which shows the process of the 1st of a standard cycle process. 標準サイクル工程の二日目及び三日目の工程を示す概念図である。It is a conceptual diagram which shows the process of the 2nd day of the standard cycle process, and the 3rd day. 標準サイクル工程の四日目の工程を示す概念図である。It is a conceptual diagram which shows the process of the 4th day of a standard cycle process. 標準サイクル工程の五日目の工程を示す概念図である。It is a conceptual diagram which shows the process of the 5th day of a standard cycle process. 標準サイクル工程の六日目の工程を示す概念図である。It is a conceptual diagram which shows the process of the 6th day of a standard cycle process. 標準サイクル工程の七日目の工程を示す概念図である。It is a conceptual diagram which shows the process of the 7th day of a standard cycle process. 外周養生／クレーン解体工程を示す概念図である。It is a conceptual diagram which shows an outer periphery curing / crane dismantling process. 冠部下降工程を示す概念図である。It is a key map showing a crown part descent process. 冠部と塔体躯体の接合／仕上工程を示す概念図である。It is a conceptual diagram which shows the joining / finishing process of a crown part and a tower frame. クレーン移設工程を示す概念図である。It is a conceptual diagram which shows a crane moving process. コア内仮設材解体工程を示す概念図である。It is a conceptual diagram which shows the temporary material dismantling process in a core. コア内残工事工程を示す概念図である。It is a conceptual diagram which shows the remaining construction process in a core. 天井クレーン解体工程を示す概念図である。It is a conceptual diagram which shows an overhead crane dismantling process. 揚重搬送システム、外周養生システム、塔体躯体を示す平面図である。It is a top view which shows a lifting conveyance system, an outer periphery curing system, and a tower-body frame.

符号の説明Explanation of symbols

１ 仮設支柱
１１ アンカーボルト
２ 冠部
２０ 下層部分
２１ 最下層
２２ 中一層
２３ 上層部分
２４ 中二層
２５ 最上層
３ 揚重搬送システム
３１ 仮設梁
３２ クレーンレール
３３ テルハクレーン
３４ ターンテーブル
４ 油圧ジャッキ
５ 塔体躯体
５１ 外壁材
６ 外周養生システム
６１ 足場
６２ メッシュシート
６３ 内部下段足場
６４ 内部中段足場
６５ 内部上段足場
７ コア内部用揚重搬送システム
７１ 天井クレーン
７２ 足場
７３ ウインチ
７４ 階段 DESCRIPTION OF SYMBOLS 1 Temporary support | pillar 11 Anchor bolt 2 Crown part 20 Lower layer part 21 Bottom layer 22 Middle layer 23 Upper layer part 24 Middle two layers 25 Uppermost layer 3 Lifting conveyance system 31 Temporary beam 32 Crane rail 33 Telha crane 34 Turntable 4 Hydraulic jack 5 Tower Body 51 Outer wall material 6 Peripheral curing system 61 Scaffolding 62 Mesh sheet 63 Lower internal scaffolding 64 Internal middle scaffolding 65 Internal upper scaffolding 7 Core internal lifting transport system 71 Overhead crane 72 Scaffolding 73 Winch 74 Staircase

Claims (5)

塔体躯体の上部に、塔体躯体の横断面よりも外方に張り出した横断面を有する冠部を備えた塔状構造物の施工方法において、
仮設支柱を基礎に仮固定する仮設支柱組立工程と、
仮設支柱の下部周りに冠部を仮設支柱に対してリフトアップ可能に構築する冠部構築工程と、
冠部をリフトアップし、仮設支柱の上部に固定することにより、冠部と仮設支柱とを一体化する冠部リフトアップ工程と、
リフトアップした冠部の下方となる基礎の上に塔体躯体を施工する一方、基礎と仮設支柱との仮固定状態を解除し、一体化した冠部と仮設支柱とを塔体躯体に対してリフトアップさせる仮設支柱リフトアップ工程と、
既設の塔体躯体の上に新たに塔体躯体を施工する塔体躯体施工工程と、新たに施工した塔体躯体に対して一体化した冠部と仮設支柱とをクライミングさせるクライミング工程とを繰り返すことにより、既設の塔体躯体の上に新たな塔体躯体を漸次積み上げるサイクル工程と、
所望の高さの塔体躯体を構築した後に一体化した冠部と仮設支柱とを下降させ、冠部と塔体躯体とを接合する接合工程と
を有することを特徴とする塔状構造物の施工方法。 In the upper part of the tower body, in the construction method of the tower-like structure provided with a crown having a cross section projecting outward from the cross section of the tower body,
Temporary strut assembly process for temporarily fixing the temporary strut to the foundation;
A crown construction process for constructing a crown around the lower portion of the temporary support so that the crown can be lifted up with respect to the temporary support, and
Lifting up the crown and fixing it to the upper part of the temporary support column, thereby integrating the crown and the temporary support column,
While constructing the tower body on the foundation below the crown that has been lifted up, release the temporarily fixed state between the foundation and the temporary strut, and connect the integrated crown and temporary strut to the tower body. Temporary strut lift-up process to lift up,
Repeat the tower building construction process for constructing a new tower body on the existing tower body, and the climbing process for climbing the crown and temporary column integrated with the newly constructed tower body In this way, a cycle process of gradually stacking new tower bodies on the existing tower bodies,
And a step of lowering the integrated crown and the temporary support column after the tower body having a desired height is constructed, and joining the crown and the tower body. Construction method. 前記冠部リフトアップ工程においてリフトアップした冠部に、資材を揚重する揚重搬送システムを吊り下げ、前記揚重搬送システムを用いて塔体躯体を構成する資材を揚重することを特徴とする請求項１に記載の塔状構造物の施工方法。   In the crown lift-up step, a lifting and conveying system that lifts the material is suspended from the crown that is lifted up, and the material constituting the tower body is lifted using the lifting and conveying system. The construction method of the tower-like structure of Claim 1. 前記冠部リフトアップ工程においてリフトアップした冠部に、施工した塔体躯体の最上部を覆う養生システムを吊り下げ、養生システムが冠部とともにクライミングすることを特徴とする請求項１または２に記載の塔状構造物の施工方法。   The curing system that covers the uppermost part of the constructed tower body is suspended from the crown that has been lifted in the crown lift-up process, and the curing system climbs together with the crown. Construction method for the tower-like structure. 前記サイクル工程においてクライミングした仮設支柱に、資材を揚重するコア内部用揚重搬送システムを吊り下げ、前記コア内部用揚重搬送システムを用いて塔体躯体の内部を構成する資材を揚重することを特徴とする請求項１〜３のいずれか一つに記載の塔状構造物の施工方法。   A core internal lifting / conveying system for lifting the material is suspended from the temporary strut climbed in the cycle step, and the material constituting the inside of the tower body is lifted using the core internal lifting / conveying system. The construction method of the tower-shaped structure as described in any one of Claims 1-3 characterized by the above-mentioned. 前記塔体躯体施工工程において塔体躯体を構成する外壁材を支持する控えを前記養生システムからとることを特徴とする請求項３に記載の塔状構造物の施工方法。   The tower body structure construction method according to claim 3, wherein, in the tower body construction step, a guard for supporting an outer wall material constituting the tower body body is taken from the curing system.
JP2007006414A 2007-01-15 2007-01-15 Construction method of tower-like structure Pending JP2008169676A (en)

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CN102373826A (en) * 2011-10-26 2012-03-14 宁波天弘电力器具有限公司 Inverted frame of emergency repair tower
CN103437385A (en) * 2013-08-21 2013-12-11 国家电网公司 Transmission iron tower tilt rectification method

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JP2001349096A (en) * 2000-06-02 2001-12-21 Takenaka Komuten Co Ltd Method for construction of ultra high-rise tower
JP2003184345A (en) * 2001-12-14 2003-07-03 Shimizu Corp Method for constructing iron tower supporting steel chimney
JP2006077456A (en) * 2004-09-09 2006-03-23 Sumitomo Mitsui Construction Co Ltd Construction method of towered building and construction device

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JP2001349096A (en) * 2000-06-02 2001-12-21 Takenaka Komuten Co Ltd Method for construction of ultra high-rise tower
JP2003184345A (en) * 2001-12-14 2003-07-03 Shimizu Corp Method for constructing iron tower supporting steel chimney
JP2006077456A (en) * 2004-09-09 2006-03-23 Sumitomo Mitsui Construction Co Ltd Construction method of towered building and construction device

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CN102373826A (en) * 2011-10-26 2012-03-14 宁波天弘电力器具有限公司 Inverted frame of emergency repair tower
CN103437385A (en) * 2013-08-21 2013-12-11 国家电网公司 Transmission iron tower tilt rectification method
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