JPH1077749A - Roof constructing method for tower-shaped structure - Google Patents
Roof constructing method for tower-shaped structureInfo
- Publication number
- JPH1077749A JPH1077749A JP23420796A JP23420796A JPH1077749A JP H1077749 A JPH1077749 A JP H1077749A JP 23420796 A JP23420796 A JP 23420796A JP 23420796 A JP23420796 A JP 23420796A JP H1077749 A JPH1077749 A JP H1077749A
- Authority
- JP
- Japan
- Prior art keywords
- roof
- roof structure
- lift
- silo
- tower
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
Landscapes
- Conveying And Assembling Of Building Elements In Situ (AREA)
Abstract
Description
【０００１】[0001]
【発明の属する技術分野】この発明は、石炭や穀物など
を貯蔵するサイロ等の塔体の上端部に屋根を有する塔状
構造物の屋根の構築工法であり、特に大径間のサイロ屋
根等に適用される塔状構造物屋根の構築工法に関するも
のである。BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a method for constructing a roof of a tower-like structure having a roof at an upper end portion of a tower such as a silo for storing coal, grains, etc., and particularly a large-diameter silo roof. The present invention relates to a method for constructing a tower-like structure roof applied to (1).
【０００２】[0002]
【従来技術】サイロなどの塔状構造物の構築方法とし
て、実公平１−２８１８６号公報に開示されているよう
に、セルフクライミング装置を用いた建方工法がある。
この工法では、サイロの既施工部分に反力をとって自昇
可能なセルフクライミング装置に、サイロ屋根を構成す
るトップスラブを予め取り付けておき、筒状のサイロ本
体の構築に伴って上昇するセルフクライミング装置を利
用してトップスラブをリフトアップしていき、構築の完
了したサイロ本体の上端部にトップスラブを固定してい
る。2. Description of the Related Art As a method of constructing a tower-like structure such as a silo, there is a construction method using a self-climbing device, as disclosed in Japanese Utility Model Publication No. 1-28686.
In this method, the top slab that constitutes the silo roof is installed in advance on a self-climbing device that can self-elevate by taking a reaction force to the already-installed part of the silo, and the self-climbing device that rises with the construction of the cylindrical silo body The top slab is lifted up using a climbing device, and the top slab is fixed to the upper end of the completed silo body.
【０００３】[0003]
【発明が解決しようとする課題】しかしながら、前述の
ような従来の建方工法では、屋根全体を構築途中のサイ
ロ本体の既施工部分で支持しながら、サイロ本体の構築
と同時に徐々にリフトアップするため、屋根が大きく重
い場合には、施工中の屋根の支持状態が、自重はもとよ
り、風荷重、地震荷重に対して非常に不安定な状態とな
り、屋根を安全に支持することが困難となる。However, in the conventional construction method as described above, the entire roof is gradually lifted up simultaneously with the construction of the silo body while the entire roof is supported by the already-installed portion of the silo body being constructed. Therefore, if the roof is large and heavy, the support state of the roof during construction will be very unstable against wind load and seismic load as well as its own weight, making it difficult to safely support the roof .
【０００４】この発明は、前述のような従来の問題点を
解消すべくなされたもので、その目的は、屋根が大きく
重い場合にも、安全に、確実に、屋根を構築することが
できる塔状構造物屋根の構築工法を提供することにあ
る。[0004] The present invention has been made to solve the above-mentioned conventional problems, and an object of the present invention is to provide a tower capable of safely and reliably constructing a roof even when the roof is large and heavy. It is an object of the present invention to provide a construction method of a roof having a shape of a frame.
【０００５】[0005]
【課題を解決するための手段】この発明に係る塔状構造
物屋根の構築工法は、塔本体の上端部に屋根構造体を有
する塔状構造物（サイロなど）を構築するに際し、塔本
体の下部を構築した後、この塔本体下部の中央部に屋根
構造体中央部を組立て、この屋根構造体中央部の工事と
並行して塔本体の構築を行い（スライディングフォーム
工法など）、この塔本体の工事が完了すると、塔本体の
上端部にリング状の屋根構造体外周部を組立てると共
に、この屋根構造体外周部の上部および下部にそれぞれ
リフトアップ設備（ベアロックジャッキと吊りロッドに
よるジャッキアップ方式、あるいはウインチとワイヤロ
ープによる方式など）のための支持構台とリフトアップ
反力を処理するための補強構造体を設け、前記支持構台
に設置した複数のリフトアップ設備と前記屋根構造体中
央部の周縁部とを吊材で連結し、リフトアップ設備の作
動により屋根構造体中央部を引き上げ、所定高さまでリ
フトアップした屋根構造体中央部を前記屋根構造体外周
部に固定することを特徴とする。According to the construction method of a tower-like structure roof according to the present invention, a tower-like structure (such as a silo) having a roof structure at an upper end portion of the tower body is constructed. After constructing the lower part, assemble the center of the roof structure at the center of the lower part of the tower body, and construct the tower body in parallel with the construction of the center of the roof structure (sliding form method, etc.). When the construction is completed, the outer periphery of the ring-shaped roof structure is assembled at the upper end of the tower body, and lift-up facilities (jack-up system using a bear lock jack and hanging rods) , Or a winch and wire rope system) and a reinforcing structure for handling the lift-up reaction force, and a plurality of ridges installed on the support gantry. Toe equipment and the peripheral part of the center part of the roof structure are connected by a hanging material, and the center part of the roof structure is pulled up by the operation of the lift-up equipment, and the center part of the roof structure that has been lifted up to a predetermined height is outside the roof structure. It is characterized by being fixed to the peripheral part.
【０００６】屋根構造体を屋根構造体中央部と屋根構造
体外周部に分割し、塔本体を構築した後に、塔本体の上
端部に屋根構造体外周部を組立て、補強構造体により補
強した屋根構造体外周部をリフトアップの支持構造とし
て利用し、地上で組立てた屋根構造体中央部のみを一気
にリフトアップさせるため、屋根が大きく重い場合で
も、安全確実に屋根を構築することができる。また、屋
根構造体の大部分を占める屋根構造体中央部の組立、仕
上げ工事などを地上において行うことができ、安全性を
より向上させることができる。The roof structure is divided into a roof structure center portion and a roof structure outer peripheral portion, and a tower main body is constructed. Then, the roof structure outer peripheral portion is assembled at an upper end portion of the tower main body, and the roof is reinforced by a reinforcing structure. Since the outer peripheral portion of the structure is used as a lift-up support structure and only the central portion of the roof structure assembled on the ground is lifted up at a stretch, the roof can be safely and reliably constructed even when the roof is large and heavy. In addition, assembling, finishing work, and the like of the central portion of the roof structure, which occupies most of the roof structure, can be performed on the ground, and safety can be further improved.
【０００７】[0007]
【発明の実施の態様】以下、この発明を図示する一実施
例に基いて説明する。これは、石炭等を貯蔵する直径が
約５０ｍのサイロに適用した例である。図１〜図４に、
この発明に係る構築工法を適用するサイロを示し、図５
〜図８に、この発明に係る構築工法を工程順に示す。DESCRIPTION OF THE PREFERRED EMBODIMENTS The present invention will be described below with reference to an embodiment shown in the drawings. This is an example applied to a silo having a diameter of about 50 m for storing coal or the like. 1 to 4,
FIG. 5 shows a silo to which the construction method according to the present invention is applied, and FIG.
8 to 8 show the construction method according to the present invention in the order of steps.
【０００８】図１〜図４において、サイロ１は、主とし
て、円筒状のコンクリート製のサイロ本体２と、鉄骨製
の屋根構造体３から構成されている。このようなサイロ
１において、本発明では、屋根構造体３を、平面視で円
形の屋根構造体中央部３Ａと、平面視でリング状の屋根
構造体外周部３Ｂに分割し、屋根構造体中央部３Ａを地
上で組立て、一方、構築の完了したサイロ本体２の上端
部に屋根構造体外周部３Ｂを組立て、この屋根構造体外
周部３Ｂをリフトアップのための支持構造として利用
し、屋根構造体中央部３Ａをリフトアップ設備４で一気
にリフトアップさせる。1 to 4, a silo 1 mainly includes a cylindrical silo body 2 made of concrete and a roof structure 3 made of steel. In such a silo 1, in the present invention, the roof structure 3 is divided into a circular roof structure central portion 3A in plan view and a ring-shaped roof structure outer peripheral portion 3B in plan view. The part 3A is assembled on the ground, while the outer peripheral part 3B of the roof structure is assembled on the upper end part of the silo body 2 which has been completed, and the outer peripheral part 3B of the roof structure is used as a support structure for lifting up the roof structure. The body center part 3A is lifted up by the lift-up equipment 4 at a stretch.
【０００９】屋根構造体外周部３Ｂは、図２、図３（左
半分）に示すように、平面視で放射状に配設される斜材
１０と、内側リング上弦材１１と、外側リング材１２
と、中間リング材１３などからなる。図２（ａ）に示す
ように、この屋根構造体外周部３Ｂの上に、リフトアッ
プ設備４を支持するための支持構台５を設け、屋根構造
体外周部３Ｂの下には、リフトアップ時のジャッキ反力
を処理できる補強構造体６を設ける。As shown in FIGS. 2 and 3 (left half), the outer peripheral portion 3B of the roof structure includes a diagonal member 10, an inner ring upper chord member 11, and an outer ring member 12 which are radially arranged in plan view.
And the intermediate ring member 13 and the like. As shown in FIG. 2A, a support gantry 5 for supporting the lift-up facility 4 is provided on the roof structure outer peripheral portion 3B, and a lift gantry 5 is provided below the roof structure outer peripheral portion 3B. The reinforcing structure 6 capable of handling the jack reaction force is provided.
【００１０】支持構台５は、図２（ａ）、（ｂ）に示す
ように、前記斜材１０の上方に水平に配設されリフトア
ップ設備４が設置されるジャッキ受台２０と、このジャ
ッキ受台２０を斜材１０の両端部に取り付ける支持材２
１・２２と、ジャッキ受台２０間に設置される構台床２
３などからなる。ジャッキ受台２０は後述するリフトア
ップ設備４の設置位置に対応して配設され、この実施例
では、図４に示すように、円周上斜材１０の一つおきの
上方に設置されている。As shown in FIGS. 2 (a) and 2 (b), the supporting gantry 5 includes a jack cradle 20 which is horizontally disposed above the diagonal member 10 and on which the lift-up equipment 4 is installed, and Supporting material 2 for attaching cradle 20 to both ends of diagonal member 10
1 and 22 and gantry floor 2 installed between jack cradle 20
3 and so on. The jack cradle 20 is provided corresponding to the installation position of the lift-up equipment 4 described later, and in this embodiment, as shown in FIG. I have.
【００１１】補強構造体６は、図２、図３（右半分）に
示すように、リフトアップ設備４・ジャッキ受台２０の
設置位置における斜材１０の内側端部から下に向けて垂
設される束材３０と、斜材１０の下方に位置して隣り合
う束材３０の下端部同士を連結する内側リング下弦材３
１と、この内側リング下弦材３１の束材３０位置と斜材
１０の外側端部を連結するケーブル３２からなる。リフ
トアップ荷重が屋根構造体外周部３Ｂに作用すると、束
材３０が圧縮材、内側リング下弦材３１が引張材として
働き、ケーブル３２が引張力を受け、屋根構造体外周部
３Ｂの負担を軽減し、変形を少なくできる。この力学的
メカニズムについては後述する。As shown in FIGS. 2 and 3 (right half), the reinforcing structure 6 is provided vertically downward from the inner end of the diagonal member 10 at the position where the lift-up facility 4 and the jack cradle 20 are installed. Material 30 and the inner ring lower chord material 3 that connects the lower ends of the adjacent material bundles 30 located below the diagonal material 10
1 and a cable 32 connecting the position of the bundle 30 of the inner ring lower chord 31 and the outer end of the diagonal member 10. When the lift-up load acts on the outer peripheral portion 3B of the roof structure, the bundle member 30 acts as a compressive member, the lower chord member 31 of the inner ring acts as a tensile member, and the cable 32 receives a tensile force, thereby reducing the load on the outer peripheral portion 3B of the roof structural member. And deformation can be reduced. This mechanical mechanism will be described later.
【００１２】リフトアップ設備４は、図２に示すよう
に、ジャッキ受台２０の内側端部の上に設置される複数
（この実施例では２台）のベアロックジャッキ（ジャッ
キアップダウン後にも油圧を保持して負荷を支持可能な
ジャッキ）４０と、このジャッキ４０の昇降部材４１と
屋根構造体中央部３Ａの周縁部における節点とを連結す
る吊りロッド４２からなる。吊りロッド４２は、Ｈ形鋼
のウェブにピン孔４３がジャッキストロークに対応した
間隔で穿設された所謂ステップバーであり、ピン孔４３
にジャッキ装置の上下に設けたピンを交互に差し込み、
上部ピンを差し込んだ状態で吊りロッド４２を吊り上げ
てリフトアップさせ、下部ピンを差し込んだ後、上部ピ
ンを引き抜いた状態でジャッキを下降させることによ
り、所謂尺取り虫式にステップバーを引き上げる。As shown in FIG. 2, the lift-up equipment 4 includes a plurality (two in this embodiment) of bear lock jacks (in this embodiment, two hydraulic locks) which are installed on the inner end of the jack receiving base 20. And a lifting rod 41 for connecting a lifting member 41 of the jack 40 and a node at a peripheral edge of the roof structure central portion 3A. The suspension rod 42 is a so-called step bar in which pin holes 43 are formed in the H-section steel web at intervals corresponding to the jack stroke.
Alternately insert the pins provided above and below the jack device.
The lifting rod 42 is lifted up with the upper pin inserted, and after the lower pin is inserted, the jack is lowered with the upper pin pulled out, so that the step bar is pulled up in a so-called scale insect type.
【００１３】このようなリフトアップ設備４は、リフト
アップする屋根構造体中央部３Ａの重量に応じて多数配
置する。この実施例では、重量が１０００トンを超える
ため、リフトアップ設備４を１２台設置している（図４
参照）。また、吊りロッド４２と屋根構造体中央部３Ａ
との連結点には、ロードセルを介在させ、各リフトアッ
プ設備４に作用するリフトアップ荷重を検出しながら、
各ベアロックジャッキ４０を制御して屋根構造体中央部
３Ａ全体が水平状態でリフトアップされるようにする。A large number of such lift-up facilities 4 are arranged in accordance with the weight of the roof structure central portion 3A to be lifted up. In this embodiment, since the weight exceeds 1000 tons, twelve lift-up facilities 4 are installed (FIG. 4).
reference). In addition, the suspension rod 42 and the roof structure central portion 3A
A load cell is interposed at the connection point with the, while detecting the lift-up load acting on each lift-up equipment 4,
Each of the bare lock jacks 40 is controlled so that the entire roof structure central portion 3A is lifted up in a horizontal state.
【００１４】以上のような構成において、次に示すよう
な手順でサイロ１を構築する。In the above configuration, the silo 1 is constructed according to the following procedure.
【００１５】(1) 図５に示すように、サイロ本体２のホ
ッパー・サイロ本体下部２Ａを構築し、この下部工事が
完了すると、ホッパー・サイロ本体下部２Ａの上に仮設
構台５０を組み、この仮設構台５０の上に屋根構造体中
央部３Ａを組立てる。この組立てはクレーン５１を用い
て行い、この建方が完了すると、外周部分のサポート以
外の仮設材をホッパー・サイロ本体下部２Ａの外部に解
体搬出する。(1) As shown in FIG. 5, a lower part 2A of the hopper / silo main body of the silo main body 2 is constructed, and when the lower construction is completed, a temporary gantry 50 is assembled on the lower part 2A of the hopper / silo main body. The central part 3A of the roof structure is assembled on the temporary gantry 50. This assembling is performed using the crane 51, and when this construction is completed, the temporary material other than the support of the outer peripheral portion is dismantled and carried out to the outside of the lower portion 2A of the hopper / silo main body.
【００１６】(2) 屋根構造体中央部３Ａの屋根仕上げ工
事および設備工事を行い、これと並行してサイロ本体２
の円筒部２Ｂをスライディングフォーム工法等を用いて
構築する。前記屋根仕上げ工事等は、円筒部２Ｂの完成
までに終了させればよい。(2) Roof finishing work and equipment work for the central part 3A of the roof structure are performed, and in parallel with this, the silo body 2
Is constructed using a sliding foam method or the like. The roof finishing work or the like may be completed before the completion of the cylindrical portion 2B.
【００１７】(3) 図６に示すように、サイロ本体２が完
成すると、このサイロ本体２の上端部に屋根構造体外周
部３Ｂをクレーン５２を用いて組立てると共に、この屋
根構造体外周部３Ｂの上部および下部にそれぞれ支持構
台５と補強構造体６をクレーン５２を用いて取り付け
る。支持構台５のジャッキ受台２０にリフトアップ設備
４のベアロックジャッキ４０を設置する。補強構造体６
の放射状に配置されたケーブル３２に所定の張力を導入
して屋根構造体外周部３Ｂを補強する。(3) As shown in FIG. 6, when the silo main body 2 is completed, a roof structure outer peripheral portion 3B is assembled on the upper end portion of the silo main body 2 using a crane 52, and the roof structure outer peripheral portion 3B The supporting gantry 5 and the reinforcing structure 6 are attached to the upper part and the lower part using a crane 52, respectively. The bare lock jack 40 of the lift-up facility 4 is installed on the jack receiving stand 20 of the support gantry 5. Reinforcement structure 6
A predetermined tension is introduced into the radially arranged cables 32 to reinforce the roof structure outer peripheral portion 3B.
【００１８】(4) 図７に示すように、各リフトアップ設
備４の吊りロッド４２の下端を屋根構造体中央部３Ａの
周縁部における節点に接続し、ベアロックジャッキ４０
により、吊りロッド４２、即ち屋根構造体中央部３Ａを
尺取り虫方式で引き上げる。引き上げ速度は１２ｃｍ／
ｍｉｎ程度であり、このリフトアップ工程は計測等の作
業を含めて２日程度で行うことができる。(4) As shown in FIG. 7, the lower end of the suspension rod 42 of each lift-up facility 4 is connected to a node at the peripheral edge of the roof structure central portion 3A, and the bare lock jack 40 is connected.
As a result, the suspension rod 42, that is, the center portion 3A of the roof structure is pulled up by a scale insect method. The lifting speed is 12cm /
min, and this lift-up step can be performed in about two days including work such as measurement.
【００１９】(5) 図８に示すように、屋根構造体中央部
３Ａが所定の高さ（設計高さよりも若干上方）まで達す
ると、リフトアップを終了させ、屋根構造体中央部３Ａ
の外周端面と屋根構造体外周部３Ｂの内周端面とを繋ぎ
材７を介して接合する（図８（ｂ）参照）。この際、屋
根構造体外周部３Ｂは補強構造体６により補強され、確
実に固定されているため、屋根構造体中央部３Ａの外周
端面と屋根構造体外周部３Ｂの内周端面とがリフトアッ
プ時に干渉するのを防止することができる。(5) As shown in FIG. 8, when the center 3A of the roof structure reaches a predetermined height (slightly higher than the design height), the lift-up is completed and the center 3A of the roof structure is completed.
And the inner peripheral end surface of the roof structure outer peripheral portion 3B are joined via a connecting member 7 (see FIG. 8B). At this time, since the outer peripheral portion 3B of the roof structure is reinforced by the reinforcing structure 6 and is securely fixed, the outer peripheral end surface of the central portion 3A of the roof structure and the inner peripheral end surface of the outer peripheral portion 3B of the roof structure are lifted up. Sometimes interference can be prevented.
【００２０】(6) 次いで、屋根構造体全体をベアロック
ジャッキ４０によりジャッキダウンさせ、屋根構造体中
央部３Ａと屋根構造体外周部３Ｂの定着が完了すると、
補強構造体６のケーブル３２に導入した張力を開放し、
応力状態を設計時の応力状態に戻し、屋根構造体３を安
定状態とする。(6) Next, the entire roof structure is jacked down by the bare lock jack 40, and when the fixing of the roof structure center portion 3A and the roof structure outer peripheral portion 3B is completed,
The tension introduced into the cable 32 of the reinforcing structure 6 is released,
The stress state is returned to the stress state at the time of design, and the roof structure 3 is brought into a stable state.
【００２１】一般的には、ドーム形状屋根構造体の境界
での支持構造は、放射線方向がローラ支持、円周方向が
ピン支持である。ジャッキ支持構造が図９（ａ）に示す
支持構造の場合、屋根構造体外周部９Ｂの頂部にリフト
アップ荷重Ｐが作用した時にδV1、δH1の変形を生じ
る。本発明においては、図９（ｂ）に示すように、屋根
構造体外周部３Ｂの下部に仮設の補強構造体６を構築
し、内側リング下弦材３１を介し配設されたケーブル３
２に張力を導入することで、内側リング下弦材３１には
引張力が、外側リング材１２には圧縮力が発生し、屋根
構造体外周部３Ｂの変形δV2、δH2をδV1、δH1に比べ
少なくするように働く。つまり、図９（ａ）の状態で発
生する応力を相殺することが可能となる。Generally, the support structure at the boundary of the dome-shaped roof structure is roller support in the radiation direction and pin support in the circumferential direction. In the case where the jack support structure is the support structure shown in FIG. 9A, when the lift-up load P acts on the top of the outer peripheral portion 9B of the roof structure, δ V1 and δ H1 are deformed. In the present invention, as shown in FIG. 9 (b), a temporary reinforcing structure 6 is constructed below the roof structure outer peripheral portion 3B, and the cable 3 disposed via the inner ring lower chord 31 is provided.
2, a tensile force is generated in the inner ring lower chord material 31 and a compressive force is generated in the outer ring material 12, and the deformations δ V2 and δ H2 of the outer peripheral portion 3B of the roof structure are reduced to δ V1 and δ. Works to make it less than H1 . That is, the stress generated in the state of FIG. 9A can be canceled.
【００２２】従って、リフトアップ完了後、屋根構造体
中央部３Ａと屋根構造体外周部３Ｂの接合作業をスムー
ズに進めることができるだけでなく、接合完了後、ケー
ブル３２の張力を解放することにより、施工時に発生し
た施工応力を解消し、設計時の応力に戻すことができ
る。Therefore, after the completion of the lift-up, not only can the joining operation of the roof structure center portion 3A and the roof structure outer peripheral portion 3B proceed smoothly, but also after the joining is completed, the tension of the cable 32 is released. The construction stress generated during construction can be eliminated, and the stress can be returned to the design stress.
【００２３】なお、図９（ｃ）に示す屋根構造体外周部
３Ｂの支持構造は、塔本体の外周部にピン支持すること
で強固に固定し、屋根構造体外周部３Ｂの変形δV3を図
９（ａ）に示す変形δV1よりも小さく押さえるようにし
た他の支持構造を示したものである。The supporting structure of the outer peripheral portion 3B of the roof structure shown in FIG. 9 (c) is firmly fixed by pin support on the outer peripheral portion of the tower body, and the deformation δ V3 of the outer peripheral portion 3B of the roof structure is reduced. FIG. 10 shows another supporting structure that is smaller than the deformation δ V1 shown in FIG. 9A.
【００２４】以上により、屋根の構築工程が完了し、リ
フトアップ設備４や支持構台５などの仮設機器・資材を
撤去し、サイロ１の仕上げ工事を行う。補強支持構造体
６は撤去してもよいし、残して利用するようにしてもよ
い。残す場合には、束材３０をキャットウォークなどに
利用することができる。As described above, the roof construction process is completed, the temporary equipment and materials such as the lift-up equipment 4 and the support gantry 5 are removed, and the finishing work of the silo 1 is performed. The reinforcing support structure 6 may be removed or may be used. If left, the bundle 30 can be used for catwalks and the like.
【００２５】なお、以上はサイロについて説明したが、
塔本体の上端部に屋根を有するタンクなどの塔状構造物
にも本発明を適用できることはいうまでもない。また、
大径間のサイロ屋根等に限らず、一般的な規模の塔状構
造物にも適用できることはいうまでもない。Although the silo has been described above,
It goes without saying that the present invention can be applied to a tower-like structure such as a tank having a roof at the upper end of the tower body. Also,
It is needless to say that the present invention can be applied not only to a large-diameter silo roof or the like but also to a tower-like structure of a general scale.
【００２６】[0026]
【発明の効果】この発明は、サイロなどの塔本体の上端
部に屋根を有する塔状構造物を構築するに際し、屋根構
造体を屋根構造体中央部と屋根構造体外周部に分割し、
塔体の底部上に屋根構造体中央部を組立てると共に塔本
体を構築した後に、塔本体の上端部に屋根構造体外周部
を組立て、補強構造体により補強した屋根構造体外周部
をリフトアップの支持構造として利用し、地上で組立て
た屋根構造体中央部のみを一気にリフトアップさせるた
め、屋根が大きく重い場合でも、安全確実に屋根を構築
することができる。また、屋根構造体の組立、仕上げ工
事などを殆ど地上において行うことができ、安全性をよ
り向上させることができる。According to the present invention, when constructing a tower-like structure having a roof at the upper end of a tower body such as a silo, the roof structure is divided into a roof structure central portion and a roof structure outer peripheral portion,
After assembling the central part of the roof structure on the bottom of the tower body and building the tower body, assembling the outer peripheral part of the roof structure at the upper end of the tower body and lifting up the outer peripheral part of the roof structure reinforced by the reinforcing structure Since it is used as a support structure and only the central part of the roof structure assembled on the ground is lifted up at a stretch, even if the roof is large and heavy, the roof can be constructed reliably and securely. Further, the assembling and finishing work of the roof structure can be performed almost on the ground, and the safety can be further improved.
【図１】この発明に係る構築工法を適用したサイロを示
す縦断面図である。FIG. 1 is a longitudinal sectional view showing a silo to which a construction method according to the present invention is applied.
【図２】図１のサイロの屋根外周部分であり、（ａ）は
縦断面図、（ｂ）は平面図である。2A and 2B are outer peripheral portions of a roof of the silo in FIG. 1, in which FIG. 2A is a longitudinal sectional view and FIG. 2B is a plan view.
【図３】図１のサイロの屋根構造体外周部を示す平面図
である。FIG. 3 is a plan view showing an outer peripheral portion of a roof structure of the silo of FIG. 1;
【図４】図１のサイロの屋根構造体中央部を示す平面図
である。FIG. 4 is a plan view showing a central portion of the roof structure of the silo of FIG. 1;
【図５】この発明に係る構築工法の第１工程を示す縦断
面図である。FIG. 5 is a longitudinal sectional view showing a first step of the construction method according to the present invention.
【図６】この発明に係る構築工法の第２工程を示す縦断
面図である。FIG. 6 is a longitudinal sectional view showing a second step of the construction method according to the present invention.
【図７】この発明に係る構築工法の第３工程を示す縦断
面図である。FIG. 7 is a longitudinal sectional view showing a third step of the construction method according to the present invention.
【図８】この発明に係る構築工法の第４工程を示す縦断
面図であり、（ａ）は全体図、（ｂ）は接合部を示す。FIGS. 8A and 8B are longitudinal sectional views showing a fourth step of the construction method according to the present invention, wherein FIG. 8A is an overall view and FIG.
【図９】屋根構造体外周部の種々の支持状態・変形状態
を示す断面図である。FIG. 9 is a cross-sectional view showing various supported and deformed states of the outer peripheral portion of the roof structure.
１…サイロ（塔状構造物） ２…サイロ本体 ２Ａ…ホッパー・サイロ本体下部 ２Ｂ…サイロ本体円筒部 ３…屋根構造体 ３Ａ…屋根構造体中央部 ３Ｂ…屋根構造体外周部 ４…リフトアップ設備 ５…支持構台 ６…補強構造体 ７…繋ぎ材 １０…斜材 １１…内側リング上弦材 １２…外側リング材 １３…中間リング材 ２０…ジャッキ受台 ２１、２２…支持材 ２３…構台床 ３０…束材 ３１…内側リング下弦材 ３２…ケーブル ４０…ベアロックジャッキ ４１…昇降部材 ４２…吊りロッド（ステップバー） ４３…ピン孔 DESCRIPTION OF SYMBOLS 1 ... Silo (tower-like structure) 2 ... Silo main body 2A ... Lower part of hopper silo main body 2B ... Silo main body cylindrical part 3 ... Roof structure 3A ... Roof structure center part 3B ... Roof structure outer peripheral part 4 ... Lift-up equipment DESCRIPTION OF SYMBOLS 5 ... Support gantry 6 ... Reinforcement structure 7 ... Connecting material 10 ... Diagonal material 11 ... Inner ring upper chord material 12 ... Outer ring material 13 ... Intermediate ring material 20 ... Jack receiving pedestal 21, 22 ... Support material 23 ... Construction floor 30 ... Bundling material 31 ... Inner ring lower chord material 32 ... Cable 40 ... Bare lock jack 41 ... Elevating member 42 ... Suspension rod (step bar) 43 ... Pin hole
Claims (1)
状構造物を構築するに際し、塔本体の下部を構築した
後、この塔本体下部の中央部に屋根構造体中央部を組立
て、この屋根構造体中央部の工事と並行して塔本体の構
築を行い、この塔本体の工事が完了すると、塔本体の上
端部にリング状の屋根構造体外周部を組立てると共に、
この屋根構造体外周部の上部および下部にそれぞれリフ
トアップ設備のための支持構台とリフトアップ反力を処
理するための補強構造体を設け、前記支持構台に設置し
た複数のリフトアップ設備と前記屋根構造体中央部の周
縁部とを吊材で連結し、リフトアップ設備の作動により
屋根構造体中央部を引き上げ、所定高さまでリフトアッ
プした屋根構造体中央部を前記屋根構造体外周部に固定
することを特徴とする塔状構造物屋根の構築工法。1. When a tower-like structure having a roof structure at the upper end of a tower body is constructed, a lower part of the tower body is constructed, and then a roof structure central part is assembled to a center part of the lower part of the tower body. Constructing the tower body in parallel with the construction of this roof structure center part, when the construction of this tower body is completed, as well as assembling the ring-shaped roof structure outer peripheral part at the upper end of the tower body,
A support gantry for a lift-up facility and a reinforcing structure for processing a lift-up reaction force are provided at an upper portion and a lower portion of an outer peripheral portion of the roof structure, respectively, a plurality of lift-up facilities installed on the support gantry and the roof The peripheral part of the central part of the structural body is connected to the peripheral part with a hanging material, the central part of the roof structural body is pulled up by the operation of the lift-up facility, and the central part of the roof structural body lifted up to a predetermined height is fixed to the peripheral part of the roof structural body. A method for constructing a roof of a tower-like structure, characterized in that:
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP23420796A JPH1077749A (en) | 1996-09-04 | 1996-09-04 | Roof constructing method for tower-shaped structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP23420796A JPH1077749A (en) | 1996-09-04 | 1996-09-04 | Roof constructing method for tower-shaped structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH1077749A true JPH1077749A (en) | 1998-03-24 |
Family
ID=16967380
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP23420796A Pending JPH1077749A (en) | 1996-09-04 | 1996-09-04 | Roof constructing method for tower-shaped structure |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH1077749A (en) |
Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR100381792B1 (en) * | 2001-02-26 | 2003-04-26 | 이문구 | Method for constructing cone of silo |
| JP2010265719A (en) * | 2009-05-18 | 2010-11-25 | Miyaji Construction & Engineering Co Ltd | Demolition method for stack |
| CN103615135A (en) * | 2013-09-29 | 2014-03-05 | 天津大学 | Silo top slip-form construction method and silo top supporting system |
| CN103615111A (en) * | 2013-09-29 | 2014-03-05 | 天津大学 | Silo top construction method |
| CN103806639A (en) * | 2013-09-29 | 2014-05-21 | 天津大学 | Steel tube truss support system for silo top and construction method of steel tube truss support system |
| CN103938908A (en) * | 2013-09-29 | 2014-07-23 | 天津大学 | Silo top slip-form lifting construction method adopting spatial horizontal supporting system |
| CN109441101A (en) * | 2018-12-24 | 2019-03-08 | 河南郑大建筑材料有限公司 | A kind of operation platform on high altitude operation concrete circular roof |
| CN110685483A (en) * | 2019-09-06 | 2020-01-14 | 中国电建集团河北工程有限公司 | Large-scale coal storage bin top plate prefabricating and assembling method |
| KR102425501B1 (en) * | 2022-05-20 | 2022-07-27 | 주식회사 네오시티 | Silo construction method using precast and slip foam |
| KR102430362B1 (en) * | 2022-05-20 | 2022-08-08 | 주식회사 네오시티 | Structure for precast construction of inner cone of silo and precast construction method of inner cone of silo using the same |
| WO2023236385A1 (en) * | 2022-06-06 | 2023-12-14 | 上海建工七建集团有限公司 | Eurosilo intelligent device mounting apparatus and method |
-
1996
- 1996-09-04 JP JP23420796A patent/JPH1077749A/en active Pending
Cited By (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR100381792B1 (en) * | 2001-02-26 | 2003-04-26 | 이문구 | Method for constructing cone of silo |
| JP2010265719A (en) * | 2009-05-18 | 2010-11-25 | Miyaji Construction & Engineering Co Ltd | Demolition method for stack |
| CN103615135A (en) * | 2013-09-29 | 2014-03-05 | 天津大学 | Silo top slip-form construction method and silo top supporting system |
| CN103615111A (en) * | 2013-09-29 | 2014-03-05 | 天津大学 | Silo top construction method |
| CN103806639A (en) * | 2013-09-29 | 2014-05-21 | 天津大学 | Steel tube truss support system for silo top and construction method of steel tube truss support system |
| CN103938908A (en) * | 2013-09-29 | 2014-07-23 | 天津大学 | Silo top slip-form lifting construction method adopting spatial horizontal supporting system |
| CN109441101A (en) * | 2018-12-24 | 2019-03-08 | 河南郑大建筑材料有限公司 | A kind of operation platform on high altitude operation concrete circular roof |
| CN109441101B (en) * | 2018-12-24 | 2024-02-20 | 河南郑大建筑材料有限公司 | Construction platform for high-altitude operation concrete circular roof |
| CN110685483A (en) * | 2019-09-06 | 2020-01-14 | 中国电建集团河北工程有限公司 | Large-scale coal storage bin top plate prefabricating and assembling method |
| KR102425501B1 (en) * | 2022-05-20 | 2022-07-27 | 주식회사 네오시티 | Silo construction method using precast and slip foam |
| KR102430362B1 (en) * | 2022-05-20 | 2022-08-08 | 주식회사 네오시티 | Structure for precast construction of inner cone of silo and precast construction method of inner cone of silo using the same |
| WO2023236385A1 (en) * | 2022-06-06 | 2023-12-14 | 上海建工七建集团有限公司 | Eurosilo intelligent device mounting apparatus and method |
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