JP2876991B2 - Steel frame method for high-rise buildings - Google Patents
Steel frame method for high-rise buildingsInfo
- Publication number
- JP2876991B2 JP2876991B2 JP13434694A JP13434694A JP2876991B2 JP 2876991 B2 JP2876991 B2 JP 2876991B2 JP 13434694 A JP13434694 A JP 13434694A JP 13434694 A JP13434694 A JP 13434694A JP 2876991 B2 JP2876991 B2 JP 2876991B2
- Authority
- JP
- Japan
- Prior art keywords
- floor
- building
- steel frame
- bundle
- work stage
- 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.)
- Expired - Lifetime
Links
Landscapes
- Movable Scaffolding (AREA)
- Conveying And Assembling Of Building Elements In Situ (AREA)
Description
【0001】[0001]
【産業上の利用分野】本発明は作業ステージを利用して
最上階の鉄骨組みを行えるようにした高層建築物におけ
る鉄骨組方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 steel frame method for a high-rise building in which a steel frame on a top floor can be formed using a work stage.
【0002】[0002]
【従来の技術】高層建築物の建築方法として、屋根構造
を持った作業ステージを各階の構築毎に上昇させつつ、
これに設けた天井クレーンにより資材を吊り上げながら
工事を行ない、全天候に対応させるとともに、安全性を
高めた工法がある。また工事完了後この作業ステージを
撤去せずに、最上階の鉄骨組構造に転用する方法も開発
され、例えば特開平03−87438号公報に示す高層
建築物における鉄骨材の構築方法が開示されている。2. Description of the Related Art As a construction method of a high-rise building, a work stage having a roof structure is raised every time each floor is constructed.
There is a construction method in which construction is carried out while lifting materials with an overhead crane provided in this area, and it is adapted to all weather conditions and safety is enhanced. Also, a method has been developed in which the work stage is not removed after the completion of the construction, but is diverted to a steel frame structure on the top floor, for example, a method of constructing a steel frame material in a high-rise building disclosed in JP-A-03-87438. I have.
【0003】この構築方法では建築用作業ステージのト
ラス組構造の梁を順次上昇させつつその下部に建築物を
構築し、構築が完了すると、梁を構築部分の最上部に設
置し、これをそのまま最上階における鉄骨組構造に転用
するものである。In this construction method, a building is constructed under the truss structure of the building work stage while sequentially raising the beam, and when the construction is completed, the beam is installed at the top of the construction portion and this is left as it is. It is diverted to the steel frame structure on the top floor.
【0004】前記梁を構成するトラス組構造は上弦材と
下弦材及びこれらをつなぐ束材とからなるものであり、
上弦材を最上階の梁とし下弦材をその1階下の梁とし、
束材を下方に延長して既設の柱の頂部に連結することに
より2階分の鉄骨組構造としていた。[0004] The truss assembly structure constituting the beam is composed of an upper chord material, a lower chord material, and a bundle material connecting them.
The upper chord is the beam on the top floor and the lower chord is the beam on the lower floor,
The bundle was extended downward and connected to the top of an existing pillar to form a two-story steel frame structure.
【0005】[0005]
【発明が解決しようとする課題】しかしながら、作業ス
テージには天井走行クレーン及びその付属物が設けられ
ているため、転用するに当たってはこれら付属物を解体
する必要があり、束材の連結後はまず仮設足場を組立
て、その後これを足場として解体作業を行わなければな
らず、仮設足場を要する分だけ作業工数がかかってい
た。However, since the overhead traveling crane and its accessories are provided on the work stage, it is necessary to disassemble these accessories in order to convert the work stage. A temporary scaffold must be assembled and then dismantled using the scaffold as a scaffold, and the number of steps required for the temporary scaffold is increased.
【0006】本発明は以上の問題を解決するものであっ
て、その目的は、作業ステージを建築物の鉄骨組に転用
する上で作業ステージの付属物撤去に仮設足場を必要と
することなく、容易に解体撤去できるようにした高層建
築物における鉄骨組方法を提供するものである。The present invention has been made to solve the above problems, and an object of the present invention is to convert a work stage to a steel frame of a building without using a temporary scaffold to remove accessories of the work stage. An object of the present invention is to provide a steel frame method for a high-rise building which can be easily dismantled and removed.
【0007】[0007]
【課題を解決するための手段】前記目的を達成するた
め、本発明は、上弦材と下弦材及びこれらをつなぐ束材
を主体としたトラス組構造の梁を備えた建築用作業ステ
ージを昇降装置を介して上昇させつつ高層建築物の最上
階まで構築する方法において、前記最上階より一階下ま
で構築後に、前記昇降装置により前記梁を前記階下の上
面の適宣位置まで下降させた状態で前記梁の下部に設置
されている天井クレーンを解体撤去し、次いで前記梁を
さらに下降させて前記束材を前記階下の柱の頂部に連結
し、さらに前記下弦材を解体撤去することで、前記作業
用ステージの上弦材と束材を建築物の最上階における鉄
骨組みとすることを特徴とする。SUMMARY OF THE INVENTION In order to achieve the above object, the present invention relates to an elevating and lowering apparatus for an architectural work stage provided with a truss-structured beam mainly composed of an upper chord material, a lower chord material, and a bundle material connecting these members. In the method of building up to the top floor of a high-rise building while ascending through, after building to one floor below the top floor, the beam is lowered to a proper position on the upper surface of the lower floor by the elevating device. The overhead crane installed at the lower part of the beam is dismantled and removed, then the beam is further lowered to connect the bundle to the top of the downstairs pillar, and further dismantle and remove the lower chord, thereby performing the work. It is characterized in that the upper chord and bundle of the stage for the building are steel frames on the top floor of the building.
【0008】[0008]
【作用】以上の構成によれば、作業用ステージは該当す
る建築分の最上階の1階分の骨組みに転用される。転用
にあたり、天井クレーンその多の付属物の解体撤去作業
は、階下の床面を足場として行なえるため、解体のため
の仮設支保工が不要となる。According to the above construction, the work stage is diverted to the frame of the top floor of the corresponding building. When diverting, the overhead crane and its many accessories can be dismantled and removed using the floor below the floor as a scaffold, so that temporary support for dismantling is not required.
【0009】[0009]
【実施例】以下、本発明の一実施例を図面を用いて詳細
に説明する。図1(a)〜(d)は本発明方法を26階
建てのPCa構造のビルの構築に適用した場合における
最上階の構築手順の説明図である。図におけるビルは梁
1及び柱2をラーメン構造に組立てたPCa造りのビル
であり、(a)においては最上階の1階下である25階
まで建築が完了し、その上部を所定高さをおいて作業ス
テージ3によって覆っており、最上階の構築準備状態と
なっている。DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS One embodiment of the present invention will be described below in detail with reference to the drawings. 1 (a) to 1 (d) are explanatory diagrams of the construction procedure of the top floor when the method of the present invention is applied to the construction of a building having a 26-story PCa structure. The building in the figure is a PCa building in which the beams 1 and the columns 2 are assembled in a ramen structure. In (a), the building is completed up to the 25th floor, which is one floor below the top floor, and the upper part has a predetermined height. And is covered by the work stage 3 and is in a construction preparation state on the top floor.
【0010】作業ステージ3は、梁4と、梁4の外端部
に垂設され、ビルの既設部分の外壁に仮固定された複数
のラック柱5の外周に挿通されたさや管6と、さや管6
の上端に配置され、前記ラック柱5に係合して作業ステ
ージ3を昇降動作させる複数の昇降装置7と、梁4の下
部に走行可能に配置された天井クレーン8及びその付属
物などを備えたもので、昇降装置7は図示しないが、前
記ラック柱5に歯合するピニオン及びこのピニオンの正
逆転用駆動モータを備えている。The work stage 3 includes a beam 4, a sheath tube 6 which is suspended from an outer end of the beam 4, and which is inserted around an outer periphery of a plurality of rack columns 5 temporarily fixed to an outer wall of an existing portion of the building. Sheath tube 6
A plurality of lifting / lowering devices 7 that are arranged at the upper end of the rack 4 and engage with the rack columns 5 to raise and lower the work stage 3; Although not shown, the lifting device 7 includes a pinion meshed with the rack column 5 and a drive motor for normal / reverse rotation of the pinion.
【0011】梁4は、上弦材4aと下弦材4b及びこれ
らをつなぐ束材4cとを主体に構成され、これらの間を
ブレース(斜桁)4dで連結したトラス組構造のもの
で、上弦材4aの上部には図示しない仮設屋根が張設さ
れ、これによって全天候に対応した工事を可能としてい
る。The beam 4 is mainly composed of an upper chord member 4a, a lower chord member 4b, and a bundle member 4c for connecting the upper chord member 4a, and has a truss assembly structure in which these members are connected by a brace (oblique beam) 4d. A temporary roof (not shown) is stretched over the upper portion 4a, thereby enabling construction corresponding to all weather.
【0012】上弦材4a及び束材4cは後に建物の最上
階の部材として転用されるもので、それを前提として部
材の断面が決定され、下弦材4bの部材断面は、そうし
て決定された上弦材4a及び束材4cの部材を使用した
トラスが作業ステージとして要求される構造的耐力を発
揮できる必要最小限の部材断面とする。また、束材4c
は、既設の柱の直上の位置に配置させることが望まし
い。The upper chord member 4a and the bundle member 4c are to be later diverted as members on the top floor of the building, and the cross section of the member is determined on the premise of this, and the member cross section of the lower chord member 4b is determined accordingly. A truss using the members of the upper chord member 4a and the bundle member 4c has a minimum necessary member cross section capable of exhibiting structural strength required as a work stage. In addition, bundle material 4c
Is desirably arranged just above the existing pillar.
【0013】25階の構築完了後、昇降装置7を下降動
作させることにより、梁4は下降し、天井クレーン8は
26階の床面付近に近づき、したがってこの状態で下降
停止させることにより、(b)に示すように、天井クレ
ーン8及びクレーンガータ等の付属物を仮設足場を要す
ることなく解体撤去することができる。When the construction of the 25th floor is completed, the beam 4 descends by lowering the elevating device 7, and the overhead crane 8 approaches the vicinity of the floor on the 26th floor. As shown in b), accessories such as the overhead crane 8 and the crane gutter can be dismantled and removed without requiring a temporary scaffold.
【0014】撤去作業終了後、さらに昇降装置7を下降
動作することにより、(c)に示すように、下弦材4b
及び束材は26階の床面に着底する。この状態では束材
4bは既設柱2と同一鉛直線上に配置される。この段階
で束材を既設柱2の上端にボルトなどを介して連結し、
連結作業終了後は下弦材4b及びブレース4dを撤去す
るとともに、ラック柱5,さや管6及び昇降装置7その
他の付属物を撤去することで、最上階である26階部分
の鉄骨組構造を得ることができる。After the removal operation is completed, the elevating device 7 is further moved down, as shown in FIG.
And the bundles land on the floor of the 26th floor. In this state, the bundle 4b is arranged on the same vertical line as the existing column 2. At this stage, the bundle is connected to the upper end of the existing pillar 2 via bolts, etc.
After the connection work is completed, the lower frame member 4b and the brace 4d are removed, and the rack pillars 5, the sheath pipe 6, the lifting device 7, and other accessories are removed to obtain a steel frame structure on the 26th floor, which is the top floor. be able to.
【0015】下弦材及びブレース4dともに25階の天
井面を足場として撤去作業が可能である。また、撤去し
た下弦材4bはペントハウス等の鉄骨組み構造に転用で
き、これらの移動及び建物外壁面における撤去作業には
ジブクレーン等が用いられる。Both the lower chord material and the brace 4d can be removed using the ceiling surface of the 25th floor as a foothold. Further, the removed lower chord material 4b can be used for a steel frame structure such as a penthouse, and a jib crane or the like is used for moving these and removing the outer wall surface of the building.
【0016】この後(d)に示すように、上弦材4a及
び束材4cの周囲に必要に応じて鉄筋を配筋し、型枠を
セットし、コンクリートを打設し、SC造り,またはS
RC造りにより最上階である26階を完成できるのであ
る。Thereafter, as shown in (d), reinforcing bars are arranged around the upper chord member 4a and the bundle member 4c as necessary, a form is set, concrete is cast, SC is made, or S is made.
The 26th floor, which is the top floor, can be completed by RC construction.
【0017】なお、最上階をS造としてもよく、さらに
は、最上階をペントハウスとして利用し、ペントハウス
として利用しない部分の作業ステージの部材もそのまま
残してもよい。この場合は、周囲に目隠し用の囲い板を
張る。The top floor may be made of S, and furthermore, the top floor may be used as a penthouse, and parts of the work stage not used as the penthouse may be left as they are. In this case, a blindfolding shroud is provided around the periphery.
【0018】[0018]
【発明の効果】以上実施例によって詳細に説明したよう
に、本発明にかかる高層建築物における鉄骨組方法にあ
っては、作業ステージを建物の最上階の鉄骨組に転用す
るにあたり、作業ステージの付属物の解体撤去に仮設足
場を要することがないため、工期の短縮を図る上で好適
である。As described in detail in the above embodiments, in the steel frame method for a high-rise building according to the present invention, when the work stage is diverted to the steel frame on the top floor of the building, Since a temporary scaffold is not required for dismantling and removing the accessory, it is suitable for shortening the construction period.
【図1】(a)〜(d)は本発明の構築手順を示す説明
図である。FIGS. 1A to 1D are explanatory diagrams showing a construction procedure of the present invention.
1 既設梁 2 既設柱 3 作業ステージ 4 梁 4a 上弦材 4b 下弦材 4c 束材 7 昇降装置 8 天井クレーン DESCRIPTION OF SYMBOLS 1 Existing beam 2 Existing column 3 Work stage 4 Beam 4a Upper chord material 4b Lower chord material 4c Bundle material 7 Elevating device 8 Overhead crane
───────────────────────────────────────────────────── フロントページの続き (72)発明者 栗田 康平 東京都清瀬市下清戸4丁目640番地 株 式会社大林組技術研究所内 (56)参考文献 特開 平3−87438(JP,A) 特開 平7−286369(JP,A) 特開 平5−321472(JP,A) 特開 平4−357226(JP,A) (58)調査した分野(Int.Cl.6,DB名) E04G 21/14,1/35,1/20 ────────────────────────────────────────────────── ─── Continuation of the front page (72) Inventor Kohei Kurita 4-640 Shimoseito, Kiyose-shi, Tokyo Inside Obayashi Corporation Technical Research Institute (56) References JP-A-3-87438 (JP, A) JP-A-7 -286369 (JP, A) JP-A-5-321472 (JP, A) JP-A-4-357226 (JP, A) (58) Fields investigated (Int. Cl. 6 , DB name) E04G 21/14, 1 / 35,1 / 20
Claims (1)
を主体としたトラス組構造の梁を備えた建築用作業ステ
ージを、昇降装置を介して上昇させつつ高層建築物の最
上階まで構築する方法において、 前記最上階より一階下まで構築後に、前記昇降装置によ
り前記梁を前記階下の上面の適宣位置まで下降させた状
態で前記梁の下部に設置されている天井クレーンを解体
撤去し、次いで前記梁をさらに下降させて前記束材を前
記階下の柱の頂部に連結し、さらに前記下弦材を撤去す
ることで、前記作業用ステージの上弦材及び束材を建築
物の最上階における鉄骨組みとすることを特徴とする高
層建築物における鉄骨組方法。1. An architectural work stage provided with a truss-structured beam mainly composed of an upper chord material, a lower chord material, and a bundle material connecting them, is constructed up to the top floor of a high-rise building by ascending through an elevating device. In the method, after building up to one floor below the top floor, dismantling and removing the overhead crane installed at the lower part of the beam in a state where the beam is lowered to an appropriate position on the upper surface of the lower floor by the elevating device Then, further lowering the beam to connect the bundle to the top of the downstairs pillar, and further removing the lower chord, the upper chord and the bundle of the work stage at the top floor of the building. A steel frame method for a high-rise building characterized by using a steel frame.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP13434694A JP2876991B2 (en) | 1994-06-16 | 1994-06-16 | Steel frame method for high-rise buildings |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP13434694A JP2876991B2 (en) | 1994-06-16 | 1994-06-16 | Steel frame method for high-rise buildings |
Publications (2)
Publication Number | Publication Date |
---|---|
JPH084302A JPH084302A (en) | 1996-01-09 |
JP2876991B2 true JP2876991B2 (en) | 1999-03-31 |
Family
ID=15126216
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP13434694A Expired - Lifetime JP2876991B2 (en) | 1994-06-16 | 1994-06-16 | Steel frame method for high-rise buildings |
Country Status (1)
Country | Link |
---|---|
JP (1) | JP2876991B2 (en) |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN117211535A (en) * | 2023-08-31 | 2023-12-12 | 上海宝冶集团有限公司 | Construction method for building cantilever scaffold free of core tube structure |
-
1994
- 1994-06-16 JP JP13434694A patent/JP2876991B2/en not_active Expired - Lifetime
Also Published As
Publication number | Publication date |
---|---|
JPH084302A (en) | 1996-01-09 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
JP2876991B2 (en) | Steel frame method for high-rise buildings | |
JPH0571225A (en) | Temporarily set roof of complete weather type | |
JP2979039B2 (en) | Large space building construction equipment | |
JPH05133016A (en) | Peripheral supporting self-rising type building engineering method | |
JP2871468B2 (en) | How to build a building | |
JPH0718743A (en) | Construction method for large span domelike roof | |
JPH0339538A (en) | Construction work of wooden building | |
JPH03125755A (en) | Constructing method for cylindrical multistoried structure | |
JP2779258B2 (en) | Roof lift-up method | |
JP3239154B2 (en) | Lift-up device for all-weather temporary roof | |
JPH09296610A (en) | Outside curing unit | |
JP2696486B2 (en) | Building construction method | |
JP2776140B2 (en) | Temporary beam assembly equipment for building construction | |
JP3439545B2 (en) | Construction method of multi-story parking lot | |
JP3225455B2 (en) | How to build a building | |
JPH0776914A (en) | Hanging-down construction method of steel stairs | |
JPH0827903A (en) | All weather type building method | |
JPH04297668A (en) | Climbing type all-weather roof for construction work | |
JPS63201260A (en) | Automatic rising type horizontal scaffold | |
JPH0518132A (en) | Jack-up type construction method for steel structure such as tower type stereoscopic parking lot | |
JPH0540492U (en) | Automatic lifting work platform | |
JPH0475337B2 (en) | ||
JPH03235838A (en) | Lift up method of construction using temporary pillar | |
JPH06101280A (en) | Method of erection construction | |
JPH042753B2 (en) |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
FPAY | Renewal fee payment (prs date is renewal date of database) |
Free format text: PAYMENT UNTIL: 20080122 Year of fee payment: 9 |
|
FPAY | Renewal fee payment (prs date is renewal date of database) |
Year of fee payment: 10 Free format text: PAYMENT UNTIL: 20090122 |
|
FPAY | Renewal fee payment (prs date is renewal date of database) |
Year of fee payment: 11 Free format text: PAYMENT UNTIL: 20100122 |
|
FPAY | Renewal fee payment (prs date is renewal date of database) |
Free format text: PAYMENT UNTIL: 20100122 Year of fee payment: 11 |
|
FPAY | Renewal fee payment (prs date is renewal date of database) |
Free format text: PAYMENT UNTIL: 20110122 Year of fee payment: 12 |
|
S531 | Written request for registration of change of domicile |
Free format text: JAPANESE INTERMEDIATE CODE: R313531 |
|
FPAY | Renewal fee payment (prs date is renewal date of database) |
Year of fee payment: 12 Free format text: PAYMENT UNTIL: 20110122 |
|
R350 | Written notification of registration of transfer |
Free format text: JAPANESE INTERMEDIATE CODE: R350 |
|
FPAY | Renewal fee payment (prs date is renewal date of database) |
Free format text: PAYMENT UNTIL: 20120122 Year of fee payment: 13 |
|
FPAY | Renewal fee payment (prs date is renewal date of database) |
Free format text: PAYMENT UNTIL: 20130122 Year of fee payment: 14 |
|
FPAY | Renewal fee payment (prs date is renewal date of database) |
Year of fee payment: 14 Free format text: PAYMENT UNTIL: 20130122 |
|
FPAY | Renewal fee payment (prs date is renewal date of database) |
Free format text: PAYMENT UNTIL: 20140122 Year of fee payment: 15 |
|
EXPY | Cancellation because of completion of term |