JP4347195B2 - Construction method of viaduct foundation using steel pipe column joint element - Google Patents

Construction method of viaduct foundation using steel pipe column joint element Download PDF

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JP4347195B2
JP4347195B2 JP2004313446A JP2004313446A JP4347195B2 JP 4347195 B2 JP4347195 B2 JP 4347195B2 JP 2004313446 A JP2004313446 A JP 2004313446A JP 2004313446 A JP2004313446 A JP 2004313446A JP 4347195 B2 JP4347195 B2 JP 4347195B2
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concrete
footing
steel pipe
goe
remento
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望 谷口
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Railway Technical Research Institute
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本発明は、コンクリート充填鋼管柱とコンクリートフーチングの接合エレメントを用いた高架橋基礎部の施工法に関するものである。 The present invention relates to construction methods viaduct foundation using a bonding element in the concrete filled steel tube column to concrete footing.

従来、コンクリート充填鋼管柱とコンクリートフーチングの接合部は以下のように施工されるようになっている。   Conventionally, a joint portion between a concrete-filled steel pipe column and a concrete footing is constructed as follows.

図7はかかる従来のコンクリート充填鋼管柱とコンクリートフーチングの接合部構造を示す図である。   FIG. 7 is a view showing a joint structure of such a conventional concrete-filled steel pipe column and concrete footing.

この図において、101はフーチングコンクリート、102はそのフーチングコンクリート101に配置されるアンカー鉄筋、103はそこに立てられるコンクリート充填鋼管柱、104は充填コンクリートである。   In this figure, 101 is footing concrete, 102 is an anchor rebar disposed on the footing concrete 101, 103 is a concrete-filled steel pipe column stood there, and 104 is filled concrete.

このように、従来はフーチングコンクリート101中にコンクリート充填鋼管柱103をクレーン等(図示なし)で吊っておき、充填コンクリート104を打ちながら接合するようにしていた。   Thus, conventionally, the concrete-filled steel pipe column 103 is suspended in the footing concrete 101 with a crane or the like (not shown), and the filled concrete 104 is joined while being hit.

また、従来方式としては、上記したアンカー鉄筋方式以外にも、アンカーフレーム方式、埋込方式、ソケット方式などがある。
特開2004−169448号公報 鉄道構造物等設計標準・同解説 鋼とコンクリートの複合構造物 丸善株式会社,pp494
Further, as a conventional method, there are an anchor frame method, an embedding method, a socket method and the like in addition to the above-described anchor reinforcing bar method.
JP 2004-169448 A Railroad structure design standards and explanations Composite structure of steel and concrete Maruzen Co., Ltd., pp494

しかしながら、上記した従来のコンクリート充填鋼管柱103とコンクリートフーチング101の接合部の施工法では、コンクリート充填鋼管柱103を、クレーン等で吊っておき、充填コンクリート104でコンクリートフーチング101との接合を行うために、作業がやり難いといった問題があった。   However, in the conventional construction method of the joint portion between the concrete-filled steel pipe pillar 103 and the concrete footing 101, the concrete-filled steel pipe pillar 103 is suspended by a crane or the like, and the concrete concrete footing 101 is joined by the filled concrete 104. In addition, there was a problem that the work was difficult.

本発明は、上記状況に鑑みて、材料費、施工費が少なくて済み、かつ作業が容易であり、また、コンクリート充填鋼管柱とコンクリートフーチングの接合部の変形性能を増大させることができる鋼管柱接合エレメントを用いた高架橋基礎部の施工法を提供することを目的とする。 The present invention is, in view of the above situation, material costs, requires less installation costs, and it is easy to work, also tubular columns that can increase the deformability of the joint of the concrete filled steel tube column to concrete footing An object of the present invention is to provide a method for constructing a viaduct foundation using a joining element .

本発明は、上記目的を達成するために、
鋼管柱接合エレメントを用いた高架橋基礎部の施工法において、アンカー鉄筋および露出両端部を有するフーチング配筋兼一体化用鉄筋を有する接合エレメントコンクリートに鋼管柱を立設してなるエレメント化された複数個の鋼管柱接合エレメントを高架橋基礎部に位置決めして立設し、前記複数個の鋼管柱接合エレメントのフーチング配筋兼一体化用鉄筋の露出両端部と高架橋基礎部に配置されるフーチング内配筋との接合を行い 前記高架橋基礎部へコンクリート打設を行い、前記複数個の鋼管柱接合エレメントのフーチング配筋兼一体化用鉄筋の露出両端部と接合するフーチング内配筋及び前記複数個の鋼管柱接合エレメントを一体化し、コンクリートを固化することを特徴とする。
In order to achieve the above object, the present invention provides
[ 1 ] In the construction method of the viaduct foundation using the steel pipe column joint element, the element is formed by standing the steel pipe column on the joint element concrete having the anchor reinforcing bar and the reinforcing bar for footing and integration with the exposed ends . It has been a plurality of the steel column contact Goe Remento and positioning viaduct foundation upright, exposed end portions and elevated HashiHajime footing Haisuji and integral reinforcing bar of the plurality of tubular columns contact Goe Remento perform bonding between the footing in reinforcement disposed on the foundation portion, the perform concrete hitting set to elevated HashiHajime foundation portion, footing Haisuji and integral reinforcing bar of the plurality of tubular columns contact Goe Remento It is characterized in that concrete is solidified by integrating a footing in-core reinforcement to be joined to both exposed ends and the plurality of steel pipe column joining elements .

本発明によれば、次のような効果を奏することができる。   According to the present invention, the following effects can be achieved.

(1)材料費、施工費が少なくて済み、かつ作業が容易であり、また、コンクリート充填鋼管柱とコンクリートフーチングの接合部の変形性能を増大させることができる。   (1) The material cost and the construction cost can be reduced, and the operation is easy, and the deformation performance of the joint portion between the concrete-filled steel pipe column and the concrete footing can be increased.

(2)コンクリート充填鋼管柱とコンクリートフーチングの接合部付近の配筋の煩雑さが解消され、工期が短縮できる。   (2) The complexity of the bar arrangement near the joint between the concrete-filled steel pipe column and the concrete footing is eliminated, and the construction period can be shortened.

(3)エレメントコンクリートを用いることにより、施工時に鋼管柱の位置を決めやすい。   (3) By using element concrete, it is easy to determine the position of the steel pipe column during construction.

鋼管柱接合エレメントを用いた高架橋基礎部の施工法は、アンカー鉄筋および露出両端部を有するフーチング配筋兼一体化用鉄筋を有する複数個の接合エレメントコンクリートに鋼管柱を立設してなるエレメント化された前記複数個の鋼管柱接合エレメントを高架橋基礎部に位置決めして立設し、前記複数個の鋼管柱接合エレメントのフーチング配筋兼一体化用鉄筋の露出両端部と高架橋基礎部に配置されるフーチング内配筋との接合を行い、前記高架橋基礎部のフーチングの配筋・型枠の設置を行い、前記高架橋基礎部へのコンクリート打設を行い、前記複数個の鋼管柱接合エレメントのフーチング配筋兼一体化用鉄筋の露出両端部と接合するフーチング内配筋及び前記複数個の鋼管柱接合エレメントを一体化し、コンクリートを固化する。よって、作業が容易であり、また、コンクリート充填鋼管柱とコンクリートフーチングの接合部の変形性能を増大させることができる。 The construction method of the viaduct foundation using steel pipe column joint elements is an element made by standing steel pipe columns on a plurality of joint element concretes having anchor reinforcing bars and footing bars with both ends exposed and integrated reinforcing bars. wherein a plurality of tubular columns contact Goe Remento and positioning viaduct foundation upright, exposed end portions of the footing Haisuji and integral reinforcing bar of the plurality of tubular columns contact Goe Remento and viaducts, which is perform bonding between the footing in reinforcement which is disposed on the base foundation portion performs the installation of reinforcement-formwork footing of the viaduct foundation performs concreting to the elevated HashiHajime foundation portion, said plurality integrated pieces of steel column contact Goe Remento footing in reinforcement and the plurality of tubular columns joining elements for joining the exposed end portions of the footing Haisuji and integrated for reinforcing bars, solidifying the concrete Therefore, the operation is easy, and the deformation performance of the joint portion between the concrete-filled steel pipe column and the concrete footing can be increased.

以下、本発明の実施の形態について詳細に説明する。   Hereinafter, embodiments of the present invention will be described in detail.

図1は本発明の実施例を示すコンクリート充填鋼管柱とコンクリートフーチングの接合エレメントを示す断面模式図、図2はそのコンクリート充填鋼管柱とコンクリートフーチングの鋼管柱接合エレメントの斜視図である。 Figure 1 is a schematic sectional view showing a joining element of the concrete filled steel tube column to concrete footing illustrating an embodiment of the present invention, FIG 2 is a perspective view of a steel column contact Goe Remento the concrete filled steel tube column to concrete footing.

鋼管柱接合エレメント1は、接合エレメントコンクリート2、アンカー鉄筋3、フーチング配筋兼一体化用鉄筋4、鋼管柱5からなり、かかる鋼管柱接合エレメント1をあらかじめ作製する。つまり、アンカー鉄筋3およびフーチング配筋兼一体化用鉄筋4が配置された接合エレメントコンクリート2に鋼管柱5を立設した鋼管柱接合エレメント1を作製しておき、この鋼管柱接合エレメント1を工事現場に運んで高架橋基礎部の施工に用いるようにする。なお、フーチング配筋兼一体化用鉄筋4の両端には、接合エレメントコンクリート2から突出した露出両端部が形成されている。 Tubular Column contact Goe Remento 1, the bonding element concrete 2, an anchor reinforcement 3, footing Haisuji and integral reinforcing bar 4 consists tubular columns 5, advance making such steel column contact Goe Remento 1. That is, advance to prepare an anchor rebar 3 and footing Haisuji and integral reinforcing bar 4 steel column contact Goe Remento 1 erected a steel column 5 to the joint element concrete 2 which is arranged, the steel column contact Goe Rement 1 is transported to the construction site and used for construction of the viaduct foundation. In addition, the exposed both ends which protrude from the joining element concrete 2 are formed in the both ends of the reinforcing bar 4 for footing reinforcement and integration.

図3〜図5は本発明の実施例を示す高架橋基礎部の施工法を示す図であり、図3は鋼管柱接合エレメントの立設工程図、図4はフーチングの配筋工程図であり、図4(a)はその全体図、図4(b)はそのA部拡大図、図5はコンクリートの打設工程図、図6は高架橋基礎部の完成図である。 3-5 is a diagram showing the construction methods viaduct foundation showing an embodiment of the present invention, FIG. 3 is erected process diagram steel column contact Goe Remento, FIG. 4 is a reinforcement process diagram footing 4 (a) is an overall view thereof, FIG. 4 (b) is an enlarged view of portion A thereof, FIG. 5 is a concrete placement process diagram, and FIG. 6 is a completed view of the viaduct foundation portion.

これらの図に示すように、高架橋基礎部の施工法は以下のようである。   As shown in these figures, the construction method of the viaduct foundation is as follows.

(1)図1及び図2に示したあらかじめ作製された鋼管柱接合エレメント1を、図3に示すように、施工現場に設置する。その場合には、クレーン11で複数個の鋼管柱接合エレメント1を施工現場の所定位置に位置決めして立設するだけでよい。つまり、それぞれの鋼管柱接合エレメント1は安定に自立することができる形状であるので、施工が極めて容易である。 (1) Figure 1 and steel column contact Goe Remento 1 previously has been fabricated as shown in FIG. 2, as shown in FIG. 3, installed in a construction site. In that case, it is only necessary to stand by positioning a plurality of steel tube columns contact Goe Remento 1 by a crane 11 to a predetermined position of the construction site. That is, since each of the steel column contact Goe Remento 1 is a shape that can be self-supporting stable construction is extremely easy.

(2)次に、図4に示すように、複数個の鋼管柱接合エレメント1のフーチング配筋兼一体化用鉄筋4の両端に突出した露出両端部と施工現場で配置されるフーチング内配筋12との接合を行い、高架橋基礎部におけるフーチングの配筋を行う。 (2) Next, as shown in FIG. 4, the footing is placed at the construction site and the exposed end portions protruding on both ends of a plurality of tubular columns contact Goe Remento 1 footing Haisuji and integral reinforcing bar 4 Joining with the reinforcing bar 12 is performed, and the footing is arranged in the viaduct base .

(3)次に、図5に示すように、ミキサー車13から生コンクリートを供給し、フーチング配筋兼一体化用鉄筋4の露出両端部と接合されたフーチング内配筋12からなる高架橋基礎部におけるフーチング配筋へフーチングコンクリート14の打設を行い、複数個の鋼管柱接合エレメント1を高架橋基礎部に一体化する。 (3) Next, as shown in FIG. 5, viaduct basis from mixer truck 13 raw concrete was supplied, consisting of full Chingu Haisuji and integrated for footing in reinforcement 12 is joined to the exposed end portions of the reinforcing bars 4 perform pouring of off over quenching concrete 14 to the footing reinforcement in part, to integrate a plurality of tubular columns contact Goe Remento 1 to viaduct foundation.

(4)そして、図6に示すように、フーチングコンクリート14の固化後、高架橋基礎部の施工を完成する。   (4) Then, as shown in FIG. 6, after the footing concrete 14 is solidified, the construction of the viaduct foundation is completed.

本発明によれば、従来方式(アンカーフレーム方式、埋込方式、ソケット方式)に比べて、作業が容易であり、また、コンクリート充填鋼管柱とコンクリートフーチングの接合部の変形性能を増大させることができる。さらに、材料費、施工費が少なくて済む。   According to the present invention, it is easier to work than conventional methods (anchor frame method, embedding method, socket method), and the deformation performance of the joint between the concrete-filled steel pipe column and the concrete footing can be increased. it can. Furthermore, material costs and construction costs can be reduced.

また、コンクリート充填鋼管柱とコンクリートフーチングの接合部付近の配筋の煩雑さが解消され、工期が短縮できる。   In addition, the complexity of the bar arrangement near the joint between the concrete-filled steel pipe column and the concrete footing is eliminated, and the construction period can be shortened.

さらに、エレメントコンクリートを用いることにより、施工時に鋼管柱の位置を決めやすい。   Furthermore, it is easy to determine the position of the steel pipe column at the time of construction by using element concrete.

なお、本発明は上記実施例に限定されるものではなく、本発明の趣旨に基づき種々の変形が可能であり、これらを本発明の範囲から排除するものではない。   In addition, this invention is not limited to the said Example, Based on the meaning of this invention, a various deformation | transformation is possible and these are not excluded from the scope of the present invention.

本発明のコンクリート充填鋼管柱とコンクリートフーチングの接合エレメントおよびそれを用いた高架橋基礎部の施工法は、作業が容易であり、また、コンクリート充填鋼管とコンクリートフーチングの接合部の変形性能を増大させることができるため、高架橋基礎部の構築に好適である。   The method of constructing a joint element between a concrete-filled steel pipe column and a concrete footing and a viaduct foundation using the same according to the present invention is easy to work, and also increases the deformation performance of the joint part between the concrete-filled steel pipe and the concrete footing. Therefore, it is suitable for the construction of the viaduct base.

本発明の実施例を示すコンクリート充填鋼管柱とコンクリートフーチングの接合エレメントを示す断面模式図である。It is a cross-sectional schematic diagram which shows the joining element of the concrete filling steel pipe pillar and concrete footing which show the Example of this invention. 本発明の実施例を示すコンクリート充填鋼管柱とコンクリートフーチングの鋼管柱接合エレメントの斜視図である。It is a perspective view of a steel column contact Goe Remento of concrete filled steel tube column to concrete footing illustrating an embodiment of the present invention. 本発明の実施例を示す鋼管柱接合エレメントの立設工程図である。A standing process diagram of the steel pipe column contact Goe Remento illustrating an embodiment of the present invention. 本発明の実施例を示すフーチングの配筋工程図である。It is a bar arrangement process figure of the footing which shows the Example of this invention. 本発明の実施例を示すコンクリートの打設工程図である。It is a concrete placement process diagram showing an embodiment of the present invention. 本発明の実施例を示す高架橋基礎部の完成図である。It is a completed figure of the viaduct foundation part which shows the Example of this invention. 従来のコンクリート充填鋼管柱とコンクリートフーチングの接合部構造を示す図である。It is a figure which shows the junction part structure of the conventional concrete filling steel pipe column and concrete footing.

1 鋼管柱接合エレメント
2 接合エレメントコンクリート
3 アンカー鉄筋
4 フーチング配筋兼一体化用鉄筋
5 鋼管柱
11 クレーン
12 フーチング内配筋
13 ミキサー車
14 フーチングコンクリート
1 steel column contact Goe Remento second bonding element concrete 3 anchor rebar 4 footing Haisuji and integral reinforcing bar 5 steel column 11 crane 12 footing in reinforcement 13 mixer truck 14 footing concrete

Claims (1)

(a)アンカー鉄筋および露出両端部を有するフーチング配筋兼一体化用鉄筋を有する接合エレメントコンクリートに鋼管柱を立設してなるエレメント化された複数個の鋼管柱接合エレメントを高架橋基礎部に位置決めして立設し、
(b)前記複数個の鋼管柱接合エレメントのフーチング配筋兼一体化用鉄筋の露出両端部と高架橋基礎部に配置されるフーチング内配筋との接合を行い
(c)前記高架橋基礎部へコンクリート打設を行い、前記複数個の鋼管柱接合エレメントのフーチング配筋兼一体化用鉄筋の露出両端部と接合するフーチング内配筋及び前記複数個の鋼管柱接合エレメントを一体化し、コンクリートを固化することを特徴とする鋼管柱接合エレメントを用いた高架橋基礎部の施工法。
(A) an anchor rebar and viaduct foundation a plurality of tubular columns contact Goe Remento which are elements of consisting erected a steel column to junction element concrete having a footing Haisuji and integral reinforcing bar having an exposed end portions Positioned and standing up,
(B) perform bonding between the footing in reinforcement disposed on the exposed end portions and elevated HashiHajime foundation portion footing Haisuji and integral reinforcing bar of the plurality of tubular columns contact Goe Remento,
(C) the elevated HashiHajime perform concrete punch set to foundation portion, the plurality of tubular columns contact Goe Remento footing Haisuji and footing in reinforcement and said plurality of joining the exposed end portions of the integrated reinforcing bar A method of constructing a viaduct foundation using a steel pipe column joint element, characterized by integrating individual steel pipe column joint elements and solidifying the concrete.
JP2004313446A 2004-10-28 2004-10-28 Construction method of viaduct foundation using steel pipe column joint element Expired - Fee Related JP4347195B2 (en)

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