JP4445366B2 - Reinforcement method for tower crane mount - Google Patents
Reinforcement method for tower crane mount Download PDFInfo
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- JP4445366B2 JP4445366B2 JP2004297814A JP2004297814A JP4445366B2 JP 4445366 B2 JP4445366 B2 JP 4445366B2 JP 2004297814 A JP2004297814 A JP 2004297814A JP 2004297814 A JP2004297814 A JP 2004297814A JP 4445366 B2 JP4445366 B2 JP 4445366B2
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- Japan
- Prior art keywords
- building
- tower crane
- precast concrete
- reinforcing
- concrete wall
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- 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.)
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- 238000000034 method Methods 0.000 title claims description 20
- 230000002787 reinforcement Effects 0.000 title claims description 6
- 239000011178 precast concrete Substances 0.000 claims description 17
- 238000009434 installation Methods 0.000 claims description 16
- 230000003014 reinforcing effect Effects 0.000 claims description 10
- 238000010276 construction Methods 0.000 claims description 8
- 230000009194 climbing Effects 0.000 claims description 6
- 239000000463 material Substances 0.000 description 9
- 239000012779 reinforcing material Substances 0.000 description 5
- 239000004567 concrete Substances 0.000 description 4
- 238000009435 building construction Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
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- Jib Cranes (AREA)
Description
本発明は、フロアクライミング方式で建物を構築する場合におけるタワークレーン架台設置部の補強方法に関する。 The present invention relates to a method for reinforcing a tower crane mount installation part in the case of building a building by a floor climbing method.
高層系の建物をプレキャストコンクリート工法にて構築する場合、柱や梁部材を揚重するために、タワークレーンを建物内部に配置し、クライミングに際してはフロアクライミング方式を用いる場合がある。このようなタワークレーンは建物内の適切な階の梁間に架台を設け、その上に設置され、それより上方の階の柱や梁部材を揚重して建物の構築を行う。その際、クレーン設置部の反力は梁、柱を介して既設の建物構造体により支持される。一般に、タワークレーンの反力は大きく建物構造体の梁のみでは支持しきれない場合が多い。従って、従来は、タワークレーンの反力を支持する梁に仮設の束柱材や斜材を設け、構面を補強することが一般的であった。 When a high-rise building is constructed by a precast concrete method, a tower crane is arranged inside the building to lift columns and beam members, and a floor climbing method is sometimes used for climbing. Such a tower crane is provided with a gantry between beams on an appropriate floor in the building, and the building is constructed by lifting the pillars and beam members on the upper floor. At that time, the reaction force of the crane installation part is supported by the existing building structure through the beams and columns. In general, the reaction force of a tower crane is large, and in many cases it cannot be supported by only the beams of a building structure. Therefore, conventionally, it has been common to reinforce the construction surface by providing temporary bundle pillars or diagonal members on the beams that support the reaction force of the tower crane.
このような束柱材や斜材は仮設材であり、組み込み手間がかかると共に撤去を要し、撤去後その部分に構造材を組み込む手間が必要であった。 Such bundle pillar materials and diagonal materials are temporary materials, and it takes time and effort to assemble them, and it is necessary to remove them.
本発明は、上記タワークレーン架台設置部の補強方法の改善を図ることを目的とするもので、建物構築の揚重機械としてフロアクライミング方式で建物を構築する場合における、タワークレーン架台設置部の補強方法を提案する。 The purpose of the present invention is to improve the method for reinforcing the tower crane mount installation part, and in the case of building a building by a floor climbing system as a lifting machine for building construction, the tower crane mount installation part is reinforced. Suggest a method.
本発明は、上記問題点を解決するためになされたもので、次の技術手段を講じたことを特徴とするタワークレーン架台設置部の補強方法である。すなわち、本発明は、タワークレーンを用いてフロアクライミング方式で建物を構築するに当り、プレキャストコンクリート壁を補強材としてクレーン設置階のプレキャスト上下梁間に介装し、該プレキャストコンクリート壁がクレーン反力を上下梁に伝達可能なように構面に固定することを特徴とするタワークレーン架台設置部の補強方法である。 The present invention has been made in order to solve the above-mentioned problems, and is a method for reinforcing a tower crane mount installation portion characterized by taking the following technical means. That is, according to the present invention, when a building is constructed by a floor climbing method using a tower crane, the precast concrete wall is interposed between the precast upper and lower beams on the crane installation floor as a reinforcing material, and the precast concrete wall generates a crane reaction force. It is a method of reinforcing a tower crane mount installation part characterized in that it is fixed to the construction surface so that it can be transmitted to the upper and lower beams.
本発明は、タワークレーン架台設置部の補強材としてプレキャストコンクリート壁を用いる。このプレキャストコンクリート壁はクレーン反力を上下の階に負担させることができるように、取付ける。このプレキャストコンクリート壁は仮設材としてクレーン撤去後に除去することとしてもよいが、建物の構造体としてもよい。建物の構造体とする場合は撤去する必要がなく、初めから補強材及び構造材を兼用して目的を達成するように設計しておけばよく、最も合理的となる。 In the present invention, a precast concrete wall is used as a reinforcing material for a tower crane mount installation part. This precast concrete wall is installed so that the crane reaction force can be borne by the upper and lower floors. The precast concrete wall may be removed as a temporary material after the crane is removed, or may be a building structure. When it is used as a building structure, it is not necessary to remove it, and it may be designed from the beginning to achieve the purpose by using both the reinforcing material and the structural material.
本発明において、前記建物がプレキャストコンクリートから成るＰＣ構造、ＲＣ構造又はＳＲＣ構造の何れであってもよく、プレキャストコンクリート部材を用いることによって、全体工程を合理的に迅速に施工することができるので好適である。 In the present invention, the building may be any of a PC structure, RC structure or SRC structure made of precast concrete, and it is preferable because the entire process can be performed reasonably quickly by using a precast concrete member. It is.
プレキャストコンクリート工法において補強材としてプレキャストコンクリート壁を用いることは施工的にも明解で、スパン長の大きい構面において非常に有効な方法である。 The use of precast concrete walls as a reinforcing material in the precast concrete method is clear in terms of construction, and is a very effective method for construction with a long span length.
高層系マンション等においてはスパン長が比較的大きく、かつ、一般には構面内に戸境壁が設けられる。従って、本発明は有効な補強手段となる。最近のマンションでは、室割り等についてフリープランを指向する傾向が大きく、将来戸境壁を撤去したい場合にも、本発明によれば壁材がプレキャストコンクリート壁であるので、容易に撤去できる仕組みとしておくことが可能である。 In high-rise condominiums and the like, the span length is relatively large, and generally, a door wall is provided in the construction surface. Therefore, the present invention is an effective reinforcing means. In recent condominiums, there is a large tendency towards free plans for room allocation, etc., and even if you want to remove the door wall in the future, according to the present invention, the wall material is a precast concrete wall, so it can be removed easily It is possible to leave.
構面とプレキャストコンクリート壁の接合は、タワークレーンの反力を伝達できる構造であればよく、鉄筋による接合、ＰＣ鋼材による圧着接合、金物による接合、その他の手段のいずれでもよい。ちなみに６００ｔｍクラスのタワークレーンを設置した場合でも、接合方式のおさまりさえクリアできれば、壁厚は２００ｍｍ程度のプレキャストコンクリート壁を用いて十分に補強可能である。 The construction surface and the precast concrete wall may be joined to each other as long as it can transmit the reaction force of the tower crane. By the way, even if a 600tm class tower crane is installed, the wall thickness can be sufficiently reinforced by using a precast concrete wall with a wall thickness of about 200 mm as long as the joining method can be cleared.
以下図面を参照して本発明の実施の形態を説明する。 Embodiments of the present invention will be described below with reference to the drawings.
まず、従来技術について図４を参照して説明する。図４は建物１０の構築中の中間段階を示す説明図である。建物１０は柱１１、梁１２、桁１４を備えている。タワークレーンのマスト２２は架台２１、架台受梁２３上に設置されている。架台受梁２３は並列する２本のＰＣａ梁１２上に掛け渡されている。ＰＣａ梁１２は補強材３１、束柱３２及びブレース３３によって補強され、この補強は、さらに下方の階の梁１２にも施されている。ブレース３３の基部には柱、梁との接合の為の補強材３４も設けられている。
First, the prior art will be described with reference to FIG. FIG. 4 is an explanatory diagram showing an intermediate stage during the construction of the
図１は建物１０の骨組を示す側面図で本発明の実施例のタワークレーン架台設置部２０の補強方法を示す側面図、図２はそのＡ−Ａ矢視図、図３はそのＢ−Ｂ矢視図である。
FIG. 1 is a side view showing a framework of a
本発明のタワークレーン架台設置部の補強方法は、上下梁１２の間にＰＣａコンクリート壁１５を設定する。ＰＣａコンクリート壁１５は他の階の壁１３と同様に建物の構造材として用いることができるように設計すると最適である。ＰＣａコンクリート壁１５によって補強された梁１２に架台受梁２３、架台２１、マスト２２を設けることは従来と同様である。
In the reinforcing method of the tower crane mount installation part of the present invention, the
１０ 建物
１１ 柱
１２ 梁
１３ 壁
１４ 桁
１５ ＰＣａコンクリート壁
２０ タワークレーン架台設置部
２１ 架台
２２ マスト
２３ 架台受梁
３１ 補強材
３２ 束柱
３３ ブレース
３４ 補強材
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2004297814A JP4445366B2 (en) | 2004-10-12 | 2004-10-12 | Reinforcement method for tower crane mount |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2004297814A JP4445366B2 (en) | 2004-10-12 | 2004-10-12 | Reinforcement method for tower crane mount |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JP2006111369A JP2006111369A (en) | 2006-04-27 |
| JP4445366B2 true JP4445366B2 (en) | 2010-04-07 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2004297814A Expired - Lifetime JP4445366B2 (en) | 2004-10-12 | 2004-10-12 | Reinforcement method for tower crane mount |
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Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP5192251B2 (en) * | 2008-02-04 | 2013-05-08 | 株式会社竹中工務店 | Tower crane support structure and construction method thereof |
| JP5365854B2 (en) * | 2009-05-18 | 2013-12-11 | 清水建設株式会社 | Tower crane support structure and climbing method |
| CN102303820A (en) * | 2011-06-30 | 2012-01-04 | 胡建锋 | Novel climbing ladder for internal-climbing tower crane |
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- 2004-10-12 JP JP2004297814A patent/JP4445366B2/en not_active Expired - Lifetime
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