JP2014141813A - Exterior wall film construction method of tower-like body - Google Patents

Exterior wall film construction method of tower-like body Download PDF

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JP2014141813A
JP2014141813A JP2013010430A JP2013010430A JP2014141813A JP 2014141813 A JP2014141813 A JP 2014141813A JP 2013010430 A JP2013010430 A JP 2013010430A JP 2013010430 A JP2013010430 A JP 2013010430A JP 2014141813 A JP2014141813 A JP 2014141813A
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film
steel structure
membrane
tower
film member
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JP6099993B2 (en
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Tomonari Masuda
智成 増田
▲吉▼昭 ▲徳▼永
Yoshiaki Tokunaga
Shuji Kobayashi
修治 小林
Akihiro Noguchi
明裕 野口
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Hitachi Zosen Corp
Taiyo Kogyo Co Ltd
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Taiyo Kogyo Co Ltd
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    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04H—BUILDINGS OR LIKE STRUCTURES FOR PARTICULAR PURPOSES; SWIMMING OR SPLASH BATHS OR POOLS; MASTS; FENCING; TENTS OR CANOPIES, IN GENERAL
    • E04H12/00—Towers; Masts or poles; Chimney stacks; Water-towers; Methods of erecting such structures
    • E04H12/02—Structures made of specified materials
    • E04H12/08—Structures made of specified materials of metal
    • E04H12/10—Truss-like structures
    • E—FIXED CONSTRUCTIONS
    • E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
    • E01D—CONSTRUCTION OF BRIDGES, ELEVATED ROADWAYS OR VIADUCTS; ASSEMBLY OF BRIDGES
    • E01D19/00—Structural or constructional details of bridges
    • E01D19/02—Piers; Abutments ; Protecting same against drifting ice
    • E—FIXED CONSTRUCTIONS
    • E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
    • E01D—CONSTRUCTION OF BRIDGES, ELEVATED ROADWAYS OR VIADUCTS; ASSEMBLY OF BRIDGES
    • E01D21/00—Methods or apparatus specially adapted for erecting or assembling bridges
    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04H—BUILDINGS OR LIKE STRUCTURES FOR PARTICULAR PURPOSES; SWIMMING OR SPLASH BATHS OR POOLS; MASTS; FENCING; TENTS OR CANOPIES, IN GENERAL
    • E04H12/00—Towers; Masts or poles; Chimney stacks; Water-towers; Methods of erecting such structures
    • E04H12/28—Chimney stacks, e.g. free-standing, or similar ducts

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  • Engineering & Computer Science (AREA)
  • Architecture (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Chemical & Material Sciences (AREA)
  • Materials Engineering (AREA)
  • Wood Science & Technology (AREA)
  • Bridges Or Land Bridges (AREA)
  • Conveying And Assembling Of Building Elements In Situ (AREA)

Abstract

PROBLEM TO BE SOLVED: To provide a method of constructing an exterior wall film of a tower-like body easily in a short time.SOLUTION: After a winch is installed in an upper end 1b and a middle portion of a steel-frame structure 1 outside of an exhaust gas communication steel pipe 2, a guide wire 8 is laid from an upper end 1b to a base part 1d in the vicinity of both side parts of a film member 3. An upper end portion of the film member 3 is mounted to a suspension member 7 installed in the winch, and after the film member 3 is suspended to the upper end 1b along the guide wire 8 by performing winding for lifting by the winch while delivering the film member 3 through a roll expansion device 9a, upper and lower parts are fixed. In that case, metal fixtures mounted to both the side parts of the film member 3 is connected to the guide wire 8 in a freely movable manner in the vicinity of the base part 1d. After film members 4, 5 are suspended by repeating such work, metal fixtures of the neighboring film members 3, 4, 5 positioned in the side parts of the neighboring film members are joined with each other.

Description

本発明は、例えば構造物と、この構造物を風雨から防いだり、美観を向上させる目的の外壁を備えた塔状体の、前記外壁を従来のコンクリート製等に換えて膜構造とする場合の外壁膜の施工方法に関するものである。   The present invention, for example, in the case of a structure and a tower-like body provided with an outer wall for the purpose of preventing the structure from wind and rain and improving the aesthetic appearance, when the outer wall is replaced with a conventional concrete or the like to form a membrane structure The present invention relates to a method for constructing an outer wall film.

本明細書でいう構造物とは、煙突の排ガス通風用鋼管や、コンクリート製若しくは鋼製の、高速道路の床版を支える橋脚・野球場やサッカー場などの照明用支柱・電波の送受信目的のアンテナ塔等である。   The structure as used in this specification refers to a steel pipe for exhaust gas ventilation of a chimney, a bridge pier that supports a floor slab of a highway made of concrete or steel, a post for lighting such as a baseball field or a soccer field, and a purpose of transmitting and receiving radio waves Antenna tower.

例えば煙突を都市部や観光地などに建設する場合、景観を損なわないように、装飾性を有する外壁で排ガス通風用鋼管の周囲を覆っている（例えば特許文献１）。この排ガス通風用鋼管の周囲を覆う外壁は、鉄筋コンクリートで構成したり、軽量気泡コンクリート、プレストレスコンクリートパネル等で構成するのが一般的である。   For example, when a chimney is constructed in an urban area or a sightseeing spot, the periphery of the steel pipe for exhaust gas ventilation is covered with a decorative outer wall so as not to damage the scenery (for example, Patent Document 1). The outer wall covering the periphery of the steel pipe for exhaust gas ventilation is generally composed of reinforced concrete, lightweight cellular concrete, prestressed concrete panel, or the like.

近年、工期短縮を目指した煙突製品を求める声が多くなってきており、また、煙突解体の際に手間のかからない構造が求められている。   In recent years, there has been an increasing demand for chimney products aimed at shortening the construction period, and there is a demand for a structure that does not require time and effort when disassembling the chimney.

しかしながら、鉄筋コンクリート製等の外壁の場合、施工に要する工期が１年程度必要になるのと共に、解体の際にも手間がかかる。また、環境に配慮する設計を行うことが難しく、形状も、角型、円形、多角形など、画一的なものに限られる。   However, in the case of an outer wall made of reinforced concrete or the like, a work period required for construction is required for about one year, and it takes time and labor to disassemble. In addition, it is difficult to design in consideration of the environment, and the shape is limited to a uniform shape such as a square, a circle, or a polygon.

また、全国各地で見られる高速道路の橋脚や、野球場やサッカー場などの照明用支柱、電波の送受信目的のアンテナ塔は、コンクリート製若しくは鋼製のものが一般的で、機能が重視されて景観への配慮があまりされていないのが現状である。   In addition, highway piers, lighting posts such as baseball stadiums and soccer fields, and antenna towers for the purpose of transmitting and receiving radio waves are generally made of concrete or steel, and their functions are emphasized. At present, there is not much consideration for the landscape.

老朽化したこれらの橋脚や支柱は、更新に際して費用がかかるが、美観の向上目的で外壁を更新する需要がある。また、これらの橋脚や支柱は画一的な形状が多いので、変形に追随できる機能やデザイン性の高いものが求められている。さらに、これらの橋脚や支柱は都市部に存在することが多く、美観上、夜間のライトアップが求められ、内部から外部に向けて照明を照らす需要がある。   These aged piers and struts are expensive to renew, but there is a demand for renewing the outer walls to improve aesthetics. In addition, since these piers and columns have many uniform shapes, there is a demand for functions and high design that can follow deformation. In addition, these bridge piers and columns are often present in urban areas, and aesthetically, they are required to light up at night, and there is a demand for lighting from the inside to the outside.

特開平０６−６６０５１号公報Japanese Patent Laid-Open No. 06-66051

本発明が解決しようとする問題点は、構造物の周囲に設けられる外壁が鉄筋コンクリート製等の場合、特に煙突の施工では施工工期が１年程度必要であるのと共に解体にも手間がかかるという点である。また、環境に配慮する設計を行うことが難しく、形状も、角型、円形、多角形など、画一的なものに限られるという点である。   The problem to be solved by the present invention is that when the outer wall provided around the structure is made of reinforced concrete or the like, especially the construction of the chimney requires a construction period of about one year and takes time to dismantle. It is. In addition, it is difficult to design in consideration of the environment, and the shape is limited to a uniform shape such as a square, a circle, and a polygon.

また、全国各地で見られる高速道路の橋脚や、野球場やサッカー場などの照明用支柱、電波の送受信目的のアンテナ塔は、コンクリート製若しくは鋼製のものが一般的で、機能が重視されて景観への配慮があまりされていないという点である。   In addition, highway piers, lighting posts such as baseball stadiums and soccer fields, and antenna towers for the purpose of transmitting and receiving radio waves are generally made of concrete or steel, and their functions are emphasized. The point is that there is not much consideration for the landscape.

本発明は、環境に配慮する外壁設計やデザイン性を高めた幾何学的な形状とできる、塔状体の外壁膜を、短期間で容易に施工することができる方法を提供することを目的としてなされたものである。   It is an object of the present invention to provide a method capable of easily constructing an outer wall film of a tower-like body in a short period of time, which can be made into a geometric shape with enhanced design and design of an outer wall considering the environment. It was made.

本発明の塔状体の外壁膜施工方法は、
構造物の外側に構築された鉄骨構造体に複数の膜部材からなる外壁膜を施工する塔状体の外壁膜施工方法であって、
前記鉄骨構造体の上端及び／又は途中部分に適数のウインチを設置した後、
前記鉄骨構造体の上端から基礎部に亘って前記膜部材の両側部近傍に案内用ワイヤーを敷設すると共に、前記ウインチに設置した吊り上げ部材に前記膜部材の上端部を取付け、
前記鉄骨構造体の基礎部近傍に配置したロール展開装置を駆動させてロール状膜部材を巻き出しながら前記ウインチを巻き上げることによる前記巻き出した前記膜部材の前記案内用ワイヤーに沿わせた前記鉄骨構造体の上端に向けた吊り上げを行う際、
前記鉄骨構造物の基礎部近傍において、前記膜部材の両側部に他の膜部材との定着金物を所定間隔で取付けた後、これら定着金物を前記案内用ワイヤーに移動自在に連結しつつ、当該膜部材を鉄骨構造体の上端迄吊り上げた後に当該膜部材の上下部を固定し、
次に、前記上下部を固定した膜部材と隣接する位置の別の膜部材について前記作業を繰り返して前記鉄骨構造体の上端まで吊り上げた後、隣接する膜部材の各側部に位置する前記定着金物と前記案内用ワイヤーとの連結を解除して前記隣接する膜部材の前記定着金物同士を接合する作業を、
前記鉄骨構造体の全外周に亘って繰返し実施することを最も主要な特徴としている。 The outer wall membrane construction method of the tower of the present invention,
A tower-shaped outer wall film construction method for constructing an outer wall film composed of a plurality of film members on a steel structure constructed outside a structure,
After installing an appropriate number of winches on the upper end and / or midway of the steel structure,
Laying guide wires near both sides of the membrane member from the upper end of the steel structure to the base, and attaching the upper end of the membrane member to the lifting member installed in the winch,
The steel frame along the guide wire of the unwound film member by driving a roll unfolding device disposed near the base of the steel structure to wind up the winch while unwinding the roll film member When lifting toward the top of the structure,
In the vicinity of the base portion of the steel structure, after fixing metal fittings with other film members on both sides of the film member at a predetermined interval, the fixing metal objects are movably connected to the guide wire, After the membrane member is lifted up to the upper end of the steel structure, the upper and lower portions of the membrane member are fixed,
Next, the above operation is repeated for another film member at a position adjacent to the film member to which the upper and lower parts are fixed, and the film member is lifted up to the upper end of the steel structure, and then the fixing located on each side of the adjacent film member The operation of releasing the connection between the hardware and the guide wire and joining the fixing hardware of the adjacent film members,
The most important feature is that it is repeatedly carried out over the entire outer periphery of the steel structure.

本発明では、ロール状膜部材を巻き出しながら吊り上げる際、所定間隔毎に両側部に取付けた定着金物を案内用ワイヤーに移動自在に連結しつつ吊り上げた後は当該膜部材の上下部を固定する。次に、上下部を固定した膜部材と隣接する位置の別の膜部材について前記作業を繰り返した後、隣接する膜部材の各側部に位置する定着金物と案内用ワイヤーとの連結を解除して前記隣接する膜部材の前記定着金物同士を接合する作業を、鉄骨構造体の全外周に亘って繰返す。従って、外部に仮設足場を設けなくても外壁膜の施工が可能になる。   In the present invention, when the roll-shaped film member is lifted while being unwound, the upper and lower portions of the film member are fixed after the fixing metal fittings attached to both sides at every predetermined interval are lifted while being movably connected to the guide wire. . Next, after repeating the above operation for another film member at a position adjacent to the film member with the upper and lower portions fixed, the connection between the fixing metal and the guide wire located on each side of the adjacent film member is released. The operation of joining the fixing metal fittings of the adjacent film members is repeated over the entire outer periphery of the steel structure. Therefore, it is possible to construct the outer wall film without providing a temporary scaffold outside.

本発明では、環境に配慮する外壁設計やデザイン性を高めた幾何学的な形状とできる、塔状体の外壁膜を、外部に仮設足場を設けることなく、短期間で容易に施工することができる。   In the present invention, it is possible to easily construct the outer wall film of the tower-like body in a short period of time without providing a temporary scaffolding, which can be an external wall design that considers the environment and a geometric shape with improved design. it can.

本発明の塔状体の外壁膜施工方法の概略説明図である。It is a schematic explanatory drawing of the outer wall membrane construction method of the tower-like body of the present invention. 本発明の塔状体の外壁膜施工方法の実施時、膜部材の側部を案内用ワイヤーに移動自在に連結する一例を説明する図である。It is a figure explaining an example which connects the side part of a film | membrane member to a guide wire so that movement is possible at the time of implementation of the outer wall film | membrane construction method of the tower-shaped body of this invention. 外壁膜を鉄骨構造体に所定間隔で押え付ける押さえベルトの説明図である。It is explanatory drawing of the pressing belt which presses an outer wall film | membrane to a steel frame structure with a predetermined space | interval. （ａ）〜（ｆ）は本発明の塔状体の外壁膜施工方法の実施時、吊り上げた膜部材の隣接する側部同士を接合する手順を、順を追って説明する図である。(A)-(f) is a figure explaining the procedure which joins the adjacent side parts of the membrane member lifted up step by step at the time of implementation of the outer wall membrane construction method of the tower-like body of the present invention.

本発明は、塔状体の外壁膜を、短期間で容易に施工するという目的を、以下の方法によって実現した。   The object of the present invention is to easily construct the outer wall film of the tower-like body in a short period of time by the following method.

ロール状膜部材を巻き出しながら所定間隔毎に両側部に定着金物を取付けて案内用ワイヤーに移動自在に連結しつつ吊り上げ、吊り上げ後は当該膜部材の上下部を固定する。   While unwinding the roll-shaped film member, fixing metal fittings are attached to both sides at predetermined intervals and are lifted while being movably connected to the guide wire, and after the lifting, the upper and lower parts of the film member are fixed.

次に、上下部を固定した膜部材と隣接する位置の別の膜部材について前記作業を繰り返した後、隣接する膜部材の各側部に位置する定着金物と案内用ワイヤーとの連結を解除して前記隣接する膜部材の前記定着金物同士を接合する。   Next, after repeating the above operation for another film member at a position adjacent to the film member with the upper and lower portions fixed, the connection between the fixing metal and the guide wire located on each side of the adjacent film member is released. Then, the fixing metal members of the adjacent film members are joined together.

以上の操作を、鉄骨構造体の全外周に亘って繰返す。   The above operation is repeated over the entire outer periphery of the steel structure.

以下、本発明を実施するための形態を、図１〜図４を用いて詳細に説明する。
図１は本発明の塔状体の外壁膜施工方法の概略を説明する図である。 Hereinafter, embodiments for carrying out the present invention will be described in detail with reference to FIGS.
FIG. 1 is a diagram for explaining the outline of the outer wall film construction method for a tower-like body of the present invention.

１は構造物である例えば煙突の排ガス通風用鋼管２の外側に構築された、例えば高さが６０mの鉄骨構造の塔（以下、鉄骨構造体という。）であり、高さ方向の例えば２．５mごとにメンテナンスのためのステージ１ａが設けられている。   1 is a steel structure tower (hereinafter referred to as a steel structure body) having a height of 60 m, for example, which is constructed outside the steel pipe 2 for exhaust gas ventilation of a chimney, which is a structure. A stage 1a for maintenance is provided every 5 m.

以下、このような鉄骨構造体１の外周に、例えば幅が８m、長さが６０m（重量は５８０kg）の３枚の膜部材３〜５からなる外壁膜を、本発明方法によって施工する方法について説明する。なお、説明上、膜部材３を第１の膜部材３、膜部材４を第２の膜部材４、膜部材５を第３の膜部材５ともいう。   Hereinafter, a method for constructing an outer wall film composed of three film members 3 to 5 having a width of, for example, 8 m and a length of 60 m (weight is 580 kg) on the outer periphery of the steel structure 1 by the method of the present invention. explain. For the sake of explanation, the membrane member 3 is also referred to as a first membrane member 3, the membrane member 4 is also referred to as a second membrane member 4, and the membrane member 5 is also referred to as a third membrane member 5.

（準備作業）
先ず、膜部材３〜５の吊り上げ位置における鉄骨構造体１の上端１ｂと高さが３０mの位置１ｃに、例えば吊り上げ能力が２００kg、揚程が４０mのウインチ（図示せず）を各４台ずつ、合計８台×３＝２４台設置する。これらウインチの巻胴に巻き付けられたワイヤロープ６の先端には、吊り上げ部材７を設置しておく。なお、設置するウインチの揚程が鉄骨構造体１の高さよりも大きい場合は、鉄骨構造体１の上端１ｂにのみウインチを設置すれば良いことは言うまでもない。 (preparation work)
First, for example, four winches (not shown) each having a lifting capacity of 200 kg and a lifting height of 40 m are placed at the upper end 1b of the steel structure 1 at the lifting position of the membrane members 3 to 5 and the position 1c having a height of 30 m. A total of 8 units x 3 = 24 units will be installed. A lifting member 7 is installed at the tip of the wire rope 6 wound around the winding cylinder of these winches. Needless to say, if the lift of the winch to be installed is larger than the height of the steel structure 1, the winch need only be installed at the upper end 1 b of the steel structure 1.

次に、膜部材３〜５の吊り上げ位置における各膜部材３〜５の両側部近傍に、鉄骨構造体１の上端１ｂから基礎部１ｄに亘って案内用ワイヤー８を敷設する。また、各膜部材３〜５の吊り上げ位置における鉄骨構造体１の基礎部１ｄの近傍に配置したそれぞれのロール展開装置９ａ〜９ｃにロール状に巻いた膜部材３〜５をセットする。   Next, the guide wire 8 is laid from the upper end 1b of the steel structure 1 to the base portion 1d in the vicinity of both sides of each membrane member 3-5 at the lifting position of the membrane members 3-5. Moreover, the film | membrane member 3-5 wound in roll shape is set to each roll expansion | deployment apparatus 9a-9c arrange | positioned in the vicinity of the base part 1d of the steel structure 1 in the lifting position of each film | membrane member 3-5.

（膜部材の吊り上げ作業）
鉄骨構造体１の、高さが３０mの位置１ｃに設置したウインチに設置した吊り上げ部材７に、ロール展開装置９ａにセットした第１の膜部材３の上端部を取付ける。 (Membrane member lifting work)
The upper end portion of the first membrane member 3 set in the roll unfolding device 9a is attached to the lifting member 7 installed in the winch installed in the position 1c having a height of 30 m of the steel structure 1.

その後、ロール展開装置９ａを駆動しロールを回転させて第１の膜部材３を巻き出しながら、鉄骨構造体１の前記位置１ｃに設置したウインチを巻き上げ、前記巻き出した第１の膜部材３を前記案内用ワイヤー８に沿わせて鉄骨構造体１の上端１ｂに向けて吊り上げる。   Thereafter, the roll unfolding device 9a is driven to rotate the roll to unwind the first film member 3, while winding up the winch installed at the position 1c of the steel structure 1, and unwinding the first film member 3 Is lifted along the guide wire 8 toward the upper end 1 b of the steel structure 1.

そして、鉄骨構造体１の前記位置１ｃに設置したウインチで２９mの高さまで第１の膜部材３を吊り上げた後は、第１の膜部材３を鉄骨構造体１の上端１ｂに設置したウインチに盛り替えて鉄骨構造体１の上端１ｂまで吊り上げる。   Then, after the first membrane member 3 is lifted up to a height of 29 m with the winch installed at the position 1c of the steel structure 1, the first membrane member 3 is mounted on the winch installed at the upper end 1b of the steel structure 1. Refill and lift to the upper end 1b of the steel structure 1.

この吊り上げの際、吊り上げと並行して、ロール展開装置９ａからの第１の膜部材３の巻き出し部分にて、巻き出した第１の膜部材３の両側部にこの第１の膜部材３を第２、第３の膜部材４，５と定着するための定着金物１０を所定間隔で取付ける。そして、これら定着金物１０と前記案内用ワイヤー８を、例えばカラビナ１１を使用して移動自在に連結する（図２参照）。   At the time of the lifting, in parallel with the lifting, the first film member 3 is provided on both sides of the unwound first film member 3 at the unwinding portion of the first film member 3 from the roll developing device 9a. Are fixed to the second and third film members 4 and 5 at a predetermined interval. Then, the fixing hardware 10 and the guide wire 8 are movably connected using, for example, a carabiner 11 (see FIG. 2).

前記第１の膜部材３の両側部に取り付けた定着金物１０が、第１の膜部材３の両側端面から外れないように、図２に示す例では、第１の膜部材３の両側端部にロープやゴム等の長尺部材１２を取り付けたものを示している。   In the example shown in FIG. 2, both end portions of the first film member 3 are arranged so that the fixing hardware 10 attached to both side portions of the first film member 3 does not come off from both end surfaces of the first film member 3. In FIG. 1, a long member 12 such as a rope or rubber is attached.

また、例えば１つ飛ばしのステージ１ａに作業員を配置しておき、吊り上げた第１の膜部材３の仮止めの盛り替えを行う。その際、必要に応じて、第１の膜部材３の吊り上げ位置における例えば１０m高さ毎に押さえベルト１３を仮固定しておき、吊り上げてきた第１の膜部材３はこの押さえベルト１３と鉄骨構造体１の間を通すようにする。その後、押さえベルト１３を鉄骨構造体１に本固定して、前記通した膜部材３を鉄骨構造体１に押さえ付け、張力が導入されるまでの不安定な状態の第１の膜材３が風によってばたつくのを防止する。   In addition, for example, an operator is placed on one stage 1a that is skipped, and the first film member 3 that has been lifted is replaced temporarily. At that time, if necessary, the pressing belt 13 is temporarily fixed, for example, every 10 m in the lifting position of the first film member 3, and the first film member 3 lifted is connected to the pressing belt 13 and the steel frame. Pass between the structures 1. Thereafter, the pressing belt 13 is permanently fixed to the steel structure 1, the passed membrane member 3 is pressed against the steel structure 1, and the first film material 3 in an unstable state until the tension is introduced is obtained. Prevent fluttering by the wind.

この押さえベルト１３は、第１の膜部材３を鉄骨構造体１に押さえ付けることができるものであれば、その構成は特に限定されないが、図３では、例えばナイロン製或いはポリエステル製の平ベルトの両端に環状部１３ａを形成したものを示している。この図３に示した押さえベルト１３を使用する場合、両端の環状部１３ａを使用して鉄骨構造体１に固定する。   The configuration of the pressing belt 13 is not particularly limited as long as the first membrane member 3 can be pressed against the steel structure 1, but in FIG. 3, for example, a flat belt made of nylon or polyester is used. The thing which formed the annular part 13a in the both ends is shown. When the pressing belt 13 shown in FIG. 3 is used, it is fixed to the steel structure 1 using the annular portions 13a at both ends.

そして、第１の膜部材３を鉄骨構造体１の上端１ｂ迄吊り上げた後は、当該第１の膜部材３の上下部を固定する。その際、第１の膜部材１の幅方向の各位置で張力が均等になるよう固定することが望ましい。この上下部の固定手段は、第１の膜部材３の上下部を鉄骨構造体１の上端１及び基礎部１ｄに固定できるものであれば、どのような手段で固定しても良い。   After the first membrane member 3 is lifted up to the upper end 1b of the steel structure 1, the upper and lower portions of the first membrane member 3 are fixed. At that time, it is desirable to fix the first membrane member 1 so that the tension is uniform at each position in the width direction. The upper and lower fixing means may be fixed by any means as long as the upper and lower portions of the first membrane member 3 can be fixed to the upper end 1 and the base 1d of the steel structure 1.

次に、上下部を固定した第１の膜部材３の一方側面と隣接する位置に、ウインチ及びロール展開装置９ｂを用いて第１の膜部材３と同じ要領で第２の膜部材４を吊り上げて、その上下部を固定する。その後、第１の膜部材３と第２の膜部材４の隣接する側面部に位置する定着金物１０と案内用ワイヤー８との連結を解除して前記隣接する第１と第２の膜部材３，４を接合する。   Next, the second film member 4 is lifted in the same manner as the first film member 3 by using a winch and a roll developing device 9b at a position adjacent to one side surface of the first film member 3 to which the upper and lower parts are fixed. And fix the top and bottom. Thereafter, the connection between the fixing metal 10 and the guide wire 8 located on the adjacent side surface portions of the first film member 3 and the second film member 4 is released, and the adjacent first and second film members 3 are adjacent to each other. , 4 are joined.

隣接する第１と第２の膜部材３，４を接合した後は、第２の膜部材４と第１の膜部材３の間に、ウインチ及びロール展開装置９ｃを用いて第２の膜部材４と同じ要領で第３の膜部材５を吊り上げて、その上下部を固定し、前記と同様に前記隣接する第１と第２の膜部材３，４と第３の膜部材５を接合する。   After the adjacent first and second membrane members 3 and 4 are joined, a second membrane member is used between the second membrane member 4 and the first membrane member 3 by using a winch and a roll developing device 9c. The third film member 5 is lifted in the same manner as 4, the upper and lower parts thereof are fixed, and the adjacent first and second film members 3, 4 and the third film member 5 are joined in the same manner as described above. .

以下、隣り合う膜部材３と４、４と５、５と３のうち、膜部材３と４の隣接する側端部を接合する方法を、図４を用いて説明する。
膜部材３，４の両側端部には、例えば先に説明したように、ロープやゴム等の長尺部材１２が取り付けられている（図４（ａ）参照）。 Hereinafter, a method of joining adjacent side end portions of the membrane members 3 and 4 among the adjacent membrane members 3 and 4, 4, 5, 5 and 3 will be described with reference to FIG. 4.
For example, as described above, a long member 12 such as a rope or rubber is attached to both end portions of the membrane members 3 and 4 (see FIG. 4A).

そして、膜部材３，４を巻き出しながら、巻き出した膜部材３，４を案内用ワイヤー８に沿わせて鉄骨構造体１の上端１ｂに向けて吊り上げる際、巻き出した膜部材３，４の両側端部に定着金物１０を所定間隔で取付けている（図４（ｂ）参照）。   When the membrane members 3 and 4 are unwound, the unwound membrane members 3 and 4 are lifted toward the upper end 1 b of the steel structure 1 along the guide wire 8. Fixing hardware 10 is attached to both side end portions at a predetermined interval (see FIG. 4B).

この定着金物１０は、例えば、対をなす所定長さのアルミニウム等の金属製の平板１０ａ，１０ｂを適数の皿ボルト１０ｃとナット１０ｄで、皿ボルト１０ｃが鉄骨構造体１の外側に位置するようにして締め付けるものである。そして、皿ボルト１０ｃとナット１０ｄによる締付け位置と異なる位置に、長尺のねじ棒１４ａの貫通孔１０ｅを適数設けている。   The fixing hardware 10 includes, for example, a pair of metal flat plates 10a and 10b having a predetermined length, such as aluminum, and a suitable number of flat bolts 10c and nuts 10d. The flat bolt 10c is positioned outside the steel structure 1. It is tightened in this way. An appropriate number of through holes 10e of the long screw rod 14a are provided at positions different from the tightening positions by the countersunk bolt 10c and the nut 10d.

このように、定着金物１０を取付けた隣り合う膜部材３，４の、隣接する側端部の外周側同士をくっつけるように、隣接する側端部に取付けられた定着金物１０の前記貫通孔１０ｅに隣り合う膜部材３，４の内側からねじ棒１４ａを貫通させ、ナット１４ｂを取付ける（図４（ｃ）参照）。   In this way, the through-holes 10e of the fixing hardware 10 attached to the adjacent side ends so that the outer peripheral sides of the adjacent side ends of the adjacent film members 3 and 4 to which the fixing metal 10 is attached are attached to each other. The threaded rod 14a is penetrated from the inside of the membrane members 3 and 4 adjacent to each other, and the nut 14b is attached (see FIG. 4C).

図４（ｃ）の状態からナット１４ｂを締付け、隣り合う膜部材３，４の、隣接する側端部の外周側同士をくっつける（図４（ｄ）参照）。その後、ねじ棒１４ａを順次ボルト１５ａとナット１５ｂに付け替える（図４（ｅ））。   The nut 14b is tightened from the state of FIG. 4C, and the outer peripheral sides of the adjacent side end portions of the adjacent membrane members 3 and 4 are attached to each other (see FIG. 4D). Thereafter, the screw rod 14a is sequentially replaced with a bolt 15a and a nut 15b (FIG. 4E).

そして、前記ねじ棒１４ａをボルト１５ａとナット１５ｂに付け替える際、適宜の位置ではＵ字金物１６を取付けて鉄骨構造体１に取り付けられた張設用ケーブルに固定する（図４（ｆ））。なお、吊り上げ時に利用した案内用ワイヤー８を張設用ケーブルとして利用しても良い。   Then, when the screw rod 14a is replaced with the bolt 15a and the nut 15b, the U-shaped hardware 16 is attached at an appropriate position and fixed to the cable for tension attached to the steel structure 1 (FIG. 4 (f)). In addition, you may utilize the guide wire 8 utilized at the time of lifting as a cable for extending | stretching.

上記本発明方法によれば、鉄骨構造体１の外側に仮設足場を設けなくても、鉄骨構造体１に、外壁膜を施工することが可能になる。   According to the method of the present invention, an outer wall film can be applied to the steel structure 1 without providing a temporary scaffold outside the steel structure 1.

本発明は、前記の例に限るものではなく、各請求項に記載の技術的思想の範疇であれば、適宜実施の形態を変更しても良いことは言うまでもない。   The present invention is not limited to the above examples, and it goes without saying that the embodiments may be changed as appropriate within the scope of the technical idea described in each claim.

例えば、上記の例では、排ガス連通用鋼管２の外側に構築した鉄骨構造体１に外壁膜を施工する方法について説明したが、橋脚や照明用支柱、アンテナ塔等の外側に設けた鉄骨構造体１に外壁膜を施工する場合にも適用できる。   For example, in the above example, the method of constructing the outer wall film on the steel structure 1 constructed outside the exhaust gas communicating steel pipe 2 has been described. However, the steel structure provided outside the bridge pier, the lighting column, the antenna tower, etc. It can also be applied to the case where an outer wall film is applied to No. 1.

また、上記の例では、外壁膜の施工を３枚の壁部材３〜５を用いて行うものを示したが、使用する膜部材は３枚に限らない。   In the above example, the outer wall film is constructed using the three wall members 3 to 5, but the number of film members to be used is not limited to three.

また、上記の例では、吊り上げる膜部材３〜５の数だけウインチとロール展開装置９ａ〜９ｃを設置しているが、ウインチ及びロール展開装置は１枚の膜部材を吊り上げる数だけとし、吊り上げる膜部材３〜５に合わせて、その設置位置を移動させても良い。   In the above example, winches and roll developing devices 9a to 9c are installed as many as the membrane members 3 to 5 to be lifted. However, the winch and the roll developing device have only the number of membrane members to be lifted. You may move the installation position according to the members 3-5.

また、上記の例では、必要な数の案内用ワイヤー８を最初に全て敷設する例を示したが、膜部材を吊り上げる際に、当該吊り上げる膜部材毎に対応する案内ワイヤーを敷設しても良い。   Further, in the above example, the example in which all the necessary number of guide wires 8 are first laid has been shown. However, when the membrane member is lifted, a corresponding guide wire may be laid for each of the lifted membrane members. .

１ 鉄骨構造体
１ｂ 上端
１ｃ ３０mの高さ位置
１ｄ 基礎部
２ 排ガス連通用鋼管
３，４，５ 膜部材
７ 吊り上げ部材
８ 案内用ワイヤー
９ａ，９ｂ，９ｃ ロール展開装置
１０ 定着金物
１３ 押さえベルト DESCRIPTION OF SYMBOLS 1 Steel structure 1b Upper end 1c 30m height position 1d Foundation part 2 Exhaust gas communication steel pipe 3, 4, 5 Membrane member 7 Lifting member 8 Guide wire 9a, 9b, 9c Roll unfolding device 10 Fixing metal 13 Pressing belt

Claims (3)

構造物の外側に構築された鉄骨構造体に複数の膜部材からなる外壁膜を施工する塔状体の外壁膜施工方法であって、
前記鉄骨構造体の上端及び／又は途中部分に適数のウインチを設置した後、
前記鉄骨構造体の上端から基礎部に亘って前記膜部材の両側部近傍に案内用ワイヤーを敷設すると共に、前記ウインチに設置した吊り上げ部材に前記膜部材の上端部を取付け、
前記鉄骨構造体の基礎部近傍に配置したロール展開装置を駆動させてロール状膜部材を巻き出しながら前記ウインチを巻き上げることによる前記巻き出した前記膜部材の前記案内用ワイヤーに沿わせた前記鉄骨構造体の上端に向けた吊り上げを行う際、
前記鉄骨構造物の基礎部近傍において、前記膜部材の両側部に他の膜部材との定着金物を所定間隔で取付けた後、これら定着金物を前記案内用ワイヤーに移動自在に連結しつつ、当該膜部材を鉄骨構造体の上端迄吊り上げた後に当該膜部材の上下部を固定し、
次に、前記上下部を固定した膜部材と隣接する位置の別の膜部材について前記作業を繰り返して前記鉄骨構造体の上端まで吊り上げた後、隣接する膜部材の各側部に位置する前記定着金物と前記案内用ワイヤーとの連結を解除して前記隣接する膜部材の前記定着金物同士を接合する作業を、
前記鉄骨構造体の全外周に亘って繰返し実施することを特徴とする塔状体の外壁膜施工方法。 A tower-shaped outer wall film construction method for constructing an outer wall film composed of a plurality of film members on a steel structure constructed outside a structure,
After installing an appropriate number of winches on the upper end and / or midway of the steel structure,
Laying guide wires near both sides of the membrane member from the upper end of the steel structure to the base, and attaching the upper end of the membrane member to the lifting member installed in the winch,
The steel frame along the guide wire of the unwound film member by driving a roll unfolding device disposed near the base of the steel structure to wind up the winch while unwinding the roll film member When lifting toward the top of the structure,
In the vicinity of the base portion of the steel structure, after fixing metal fittings with other film members on both sides of the film member at a predetermined interval, the fixing metal objects are movably connected to the guide wire, After the membrane member is lifted up to the upper end of the steel structure, the upper and lower portions of the membrane member are fixed,
Next, the above operation is repeated for another film member at a position adjacent to the film member to which the upper and lower parts are fixed, and the film member is lifted up to the upper end of the steel structure, and then the fixing located on each side of the adjacent film member The operation of releasing the connection between the hardware and the guide wire and joining the fixing hardware of the adjacent film members,
A method for constructing an outer wall film of a tower-like body, which is repeatedly carried out over the entire outer periphery of the steel structure. 前記膜部材を前記鉄骨構造体の上端まで吊り上げる際、所定高さ位置で前記膜部材を押さえベルトによって前記鉄骨構造体に押え付けることを特徴とする請求項１に記載の塔状体の外壁膜施工方法。   2. The outer wall membrane of the tower-like body according to claim 1, wherein when the membrane member is lifted to the upper end of the steel structure, the membrane member is pressed against the steel structure by a pressing belt at a predetermined height position. Construction method. 前記膜部材を鉄骨構造体の上端迄吊り上げた際、前記膜部材の張力が均等になるようにすることを特徴とする請求項１又は２に記載の塔状体の外壁膜構造の施工方法。   The construction method of the outer wall membrane structure of the tower-like body according to claim 1 or 2, wherein the tension of the membrane member is equalized when the membrane member is lifted to the upper end of the steel structure.
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CN114351587B (en) * 2021-11-25 2022-10-28 无锡交通建设工程集团有限公司 Pier stud automatic spray curing means

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