JP2004257098A - Construction method for structure with footing - Google Patents

Construction method for structure with footing Download PDF

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Publication number
JP2004257098A
JP2004257098A JP2003048584A JP2003048584A JP2004257098A JP 2004257098 A JP2004257098 A JP 2004257098A JP 2003048584 A JP2003048584 A JP 2003048584A JP 2003048584 A JP2003048584 A JP 2003048584A JP 2004257098 A JP2004257098 A JP 2004257098A
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JP
Japan
Prior art keywords
footing
foundation
pile
constructing
substructure
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.)
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JP2003048584A
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Japanese (ja)
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JP3763061B2 (en
Inventor
Nobuhiro Sato
信博 佐藤
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KOKEN IND CORP
Koken Sangyo KK
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KOKEN IND CORP
Koken Sangyo KK
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Abstract

<P>PROBLEM TO BE SOLVED: To provide a construction method for a structure with a footing constructible in a short period of time and having excellent durability. <P>SOLUTION: In this construction method of the structure with the footing provided with a plate-like footing part 15 connected to a foundation structure 11, and a rising part 16 formed upward at the center of the footing part 15, the structure 10 with the footing is formed divided in half blocks 17, 17 comprising plate-like footing half bodies 19 and upward rising part half bodies 20 at the side edges of the footing half bodies, and after installing the half blocks 17 on the foundation structure 11 in the mutually abutting state of the divided side faces 20a, 20a of the rising part half bodies 20, 20, the mutually facing rising part half bodies 20, 20 are jointed to each other to integrate the half blocks 17, 17. <P>COPYRIGHT: (C)2004,JPO&NCIPI

Description

【0001】
【発明の属する技術分野】
本発明は、主に橋脚等として利用されるフーチング付き構造物の構築方法に関する。
【0002】
【従来の技術】
一般に、橋脚等のフーチング付き構造物1は、図7に示すように、基礎杭2,2等からなる基礎構造物に連結された平板状のフーチング部3と、フーチング部3の中央上向きに形成された立ち上げ部4とがコンクリートにより一体に成形されている。
【0003】
従来、かかるフーチング付き構造物は、基礎構造物の上面に型枠を組み立て、この型枠内にコンクリートを現場打ちすることにより施工するようにしている(例えば、特許文献1を参照)。
【0004】
【特許文献1】
特開平11−241311号公報(第0012段落、図3〜図6)
【0005】
【発明が解決しようとする課題】
しかし、上述のような従来の技術では、施工現場において、フーチング付き構造物を成型するための型枠の組立てやコンクリートの養生等を行うのに多大な手間を要するため、施工工期及び施工コストが増大してしまうという問題があり、一方、近年では、施工現場近隣の住民に対する騒音や振動等を考慮して、工期短縮による工事環境の改善が重要となっている。
【0006】
このように施工現場における施工工期及び施工コストを削減する方法として、構造物を構成する部材を工場で予め形成しておき、そのプレキャストコンクリート製部材を施工現場において、組み立てる方法が採られているが、橋脚等のフーチング付き構造物は、大きいものでは外形寸法及び重量が嵩み、トレーラー等の運搬手段に積載することが難しく、輸送が困難であるという問題があった。
【0007】
本発明は、このような従来の技術の状況を鑑み、短期で施工が可能で、耐久性に優れたフーチング付き構造物の構築方法の提供を目的とする。
【0008】
【課題を解決するための手段】
上述の如き従来の問題を解決し、所期の目的を達成するための請求項1の発明は、基礎構造物に接続された平板状のフーチング部と、該フーチング部の中央上向きに形成された立ち上げ部とを備えたフーチング付き構造物の構築方法において、前記フーチング付き構造物を、平板状のフーチング半体の側縁に上向きの立ち上げ部半体を有する半体ブロックに分割して成形しておき、該半体ブロックを基礎構造物上に前記立ち上げ部半体の分割側面を互いに突き合わせて設置した後、互いに対向した立ち上げ部半体同士を接合させることにより前記半体ブロックを一体化させることを特徴とする。
【0009】
このように構成することによって、短い期間で安価に施工することができ、且つ高品質で耐久性に優れたものとすることができる。
【0010】
請求項2の発明は、請求項1の構成に加え、フーチング半体に厚み方向に貫通した杭挿入孔を設けるとともに、基礎構造物上面に基礎杭の頭部を突出させておき、前記杭挿入孔に基礎杭の頭部が挿入されるように半体ブロックを基礎構造物上に配置し、互いに対向した立ち上げ部半体同士を接合させた後、前記杭挿入孔に充填材を充填することを特徴とする。
【0011】
このように構成することによって、フーチング付き構造物を基礎構造物に対して安定した状態で接続できるとともに、位置決めがし易く施工効率が向上する。
【0012】
請求項3の発明は、請求項1又は2の構成に加え、突き合わされた立ち上げ部半体間をボルト締めにより接合することを特徴とする。
【0013】
このように構成することによって、半体ブロック同士を好適に接合することができる。
【0014】
請求項4の発明は、請求項1又は2の構成に加え、突き合わされた立ち上げ部半体間にPC引張材を貫通させ、該PC引張材を緊張させた状態で前記PC引張材の両端をそれぞれ立ち上げ部半体の表面側で定着させることを特徴とする。
【0015】
このように構成することによって、フーチング付き構造物に作用する剪断力が大きい場合であっても、大きな締付け力で半体ブロック間を好適に接合させることができる。
【0016】
【発明の実施の形態】
次に、本発明の実施の形態を図について説明する。
【0017】
図1は橋梁の支持構造を示し、符号10は橋脚を構成するフーチング付き構造物、符号11は基礎構造物である。
【0018】
基礎構造物11は、複数の基礎杭12,12と、基礎杭12の上端部が接続された基礎コンクリート部13とを備え、この基礎構造物11上に橋脚、即ちフーチング付き構造物10を構築するようになっている。
【0019】
基礎杭12は、内部に鉄筋籠14を有する鉄筋コンクリート構造の棒状に場所打ちにより形成され、頭頂部より鉄筋籠の端部が突出して露出している。
【0020】
鉄筋籠14は、多数の縦筋14aを円周方向に間隔を隔てた平行配置に設け、縦筋の円形配置の外側に横拘束筋14bを円環状又は螺旋状に配置して、縦筋14aと横拘束筋14bとを籠状に組み合わせている。
【0021】
橋脚を構成するフーチング付き構造物10は、基礎構造物11に接続された平板状のフーチング部15と、フーチング部15の中央上向きに形成された立ち上げ部16とを備え、半体ブロック17,17を接合手段18により互いに接合することにより形成されている。
【0022】
各半体ブロック17は、図2に示すように、フーチング付き構造物10を分割した形状に成形され、平板状のフーチング半体19と、フーチング半体18の側縁より立ち上げた平板状の立ち上げ部半体20とがプレキャストコンクリートにより断面L字状となるように一体に成形されている。
【0023】
フーチング半体19には、厚み方向に貫通した杭挿入孔21,21が形成され、この杭挿入孔21内に基礎杭12の頭部が挿入されるようになっている。
【0024】
立ち上げ部半体20は、平板状に形成され、厚み方向に貫通した挿通孔22,22…が形成されている。
【0025】
接合手段18は、図3に示すように、半体ブロック17,17を突き合わせることにより連通した挿通孔22,22にボルト23を通し、他方の端部にナット24を螺合させ、締め付けることによって、立ち上げ部半体20,20同士を接合、即ち、半体ブロック17,17同士を接合するようになっている。
【0026】
尚、接合手段18は、図4に示すように、立ち上げ部半体20の表面に定着板25を備え、PC鋼材等からなる引張材26を半体ブロック17,17を突き合わせることにより連通した挿通孔22,22に緊張させた状態で挿通させ、その端部をそれぞれ定着板25に楔27,27等を使用して定着させるようにしてもよい。
【0027】
また、半体ブロック17は、同一の型枠により形成することができるように同一形状とすることが好ましい。
【0028】
次に、上述の半体ブロック17,17を用いたフーチング付き構造物10の構築方法について説明する。
【0029】
まず、図5(a)に示すように、地盤30を下方に向けて、地盤を所定の深さ、即ち、支持層に到達する深さとなるまで掘削することにより場所打ち用穴31,31を形成する。
【0030】
次に、図5(b)に示すように、鉄筋籠14を場所打ち用穴31内に吊り降ろすとともに、場所打ち用穴31内に水中コンクリートを場所打ちにより打設し、基礎杭12を形成する。
【0031】
このとき、基礎杭12の頭頂部から鉄筋籠14の端部が突出させておく。
【0032】
そして、図5(c)に示すように、表面から基礎杭12の頭部が突出するように基礎コンクリート13を打設し、基礎構造物11が形成される。
【0033】
次に、図6(d)に示すように、半体ブロック17,17を、基礎杭12の頭部が杭挿入孔21に挿入されるように、位置を合わせて吊り降ろすとともに、半体ブロック17の分割側面20a,20aを互いに突き合わせる。
【0034】
そして、図6(e)に示すように、互いに突き合わされることによって、連通した挿通孔22,22にボルト23を通して、ボルト締めにより両立ち上げ部半体20,20、即ち両半体ブロック17,17を接合させる。
【0035】
次に、図6(f)に示すように、杭挿入孔21にコンクリートやモルタル等の充填材32を打設して、杭挿入孔21内を充填し、フーチング部15と基礎杭12,12とを剛的に接続させる。
【0036】
このとき、基礎杭12の頭頂部より鉄筋籠14の端部を突出させておくと、接続強度が向上する。
【0037】
このようにして、フーチング付き構造物10が構築される。
【0038】
尚、上述の実施例では、橋脚に使用されるフーチング付き構造物について説明したが、その他、建築物の基礎構造を構成するフーチング付き構造物等にも適用することができる。
【0039】
また、上述の実施例では、接合手段としてボルトを用いたもの及びPC引張材を用いたものについて説明したが、分割側面同士を接着剤等を介して接合させてもよく、接着剤とボルト或いはPC引張材とを併用するようにしてもよい。
【0040】
【発明の効果】
上述のように、本発明に係るフーチング付き構造物の構築方法は、フーチング付き構造物を、フーチング半体の側縁に上向きの立ち上げ部半体を有する半体ブロックに分割して成形しておき、該半体ブロックを基礎構造物上に前記立ち上げ部半体の分割側面を互いに突き合わせて設置した後、互いに対向した立ち上げ部半体同士を接合させることにより前記半体ブロックを一体化させることによって、短い期間で安価に施工することができ、且つコンクリートの強度が高く、高品質で耐久性に優れたものとすることができる。
【0041】
また、耐久性が向上することにより、橋脚等の構造物の断面積を小さくすることができ、材料費を節約することが可能となる。
【0042】
特に、河川の中、住宅近隣、バイパス道路建設等の作業条件(工事条件)の悪い場所や、工期短縮が求められる場所において優位となる。
【0043】
杭挿入孔に基礎杭の頭部が挿入されるように半体ブロックを基礎構造物上に配置し、互いに対向した立ち上げ部半体同士を接合させた後、前記杭挿入孔にコンクリートを充填することによって、フーチング付き構造物を基礎構造物に対して安定した状態で接続できるとともに、位置決めがし易く施工効率が向上する。
【0044】
突き合わされた立ち上げ部半体間をボルト締め或いはPC引張材を用いて接合することによって、フーチング付き構造物に作用する剪断力が大きい場合であっても、大きな締付け力で半体ブロック間を好適に接合させることができる。
【図面の簡単な説明】
【図1】橋脚を示す断面図である。
【図2】図1中の半体ブロックを示す斜視図である。
【図3】図1中の接合手段を示す部分拡大断面図である。
【図4】同上の他の接合手段を示す部分拡大断面図である。
【図5】(a)〜(c)は基礎構造物構築工程を示す断面図である。
【図6】(d)〜(f)はフーチング付き構造物の構築工程を示す断面図である。
【図7】従来のフーチング付き構造物の一例を示す側面図である。
【符号の説明】
10 橋脚(フーチング付き構造物)
11 基礎構造物
12 基礎杭
13 基礎コンクリート部
14 鉄筋籠
14a 縦筋
14b 横拘束筋
15 フーチング部
16 立ち上げ部
17 半体ブロック
18 接合手段
19 フーチング半体
20 立ち上げ部半体
21 杭挿入孔
22 挿通孔
23 ボルト
24 ナット
25 定着板
26 引張材
27 楔
30 地盤
31 場所打ち用穴
32 充填材
[0001]
TECHNICAL FIELD OF THE INVENTION
The present invention relates to a method for constructing a structure with a footing mainly used as a pier or the like.
[0002]
[Prior art]
Generally, as shown in FIG. 7, a structure 1 with a footing such as a pier is formed in a plate-like footing portion 3 connected to a foundation structure composed of foundation piles 2, 2, etc., and formed upward in the center of the footing portion 3. The raised portion 4 is integrally formed of concrete.
[0003]
Conventionally, such a structure with a footing is constructed by assembling a formwork on the upper surface of a substructure and casting concrete in the formwork in-situ (for example, see Patent Document 1).
[0004]
[Patent Document 1]
JP-A-11-241311 (paragraph 0012, FIGS. 3 to 6)
[0005]
[Problems to be solved by the invention]
However, in the above-described conventional technology, a large amount of time is required to assemble a formwork for molding a structure with a footing or to cure concrete at a construction site. On the other hand, in recent years, it is important to improve the construction environment by shortening the construction period in consideration of noise, vibration, and the like for residents near the construction site.
[0006]
As a method of reducing the construction period and construction cost at the construction site in this way, a method of forming members constituting a structure in advance at a factory and assembling the precast concrete member at the construction site has been adopted. However, a structure with a footing, such as a bridge pier, has a problem in that if it is large, the external dimensions and weight are large, and it is difficult to load it on a transportation means such as a trailer, and it is difficult to transport.
[0007]
An object of the present invention is to provide a method of constructing a structure with a footing that can be constructed in a short time and has excellent durability in view of the state of the related art.
[0008]
[Means for Solving the Problems]
In order to solve the conventional problems as described above and to achieve the intended object, the invention according to claim 1 has a flat footing portion connected to a substructure and a center formed upward of the footing portion. In the method for constructing a structure with a footing provided with a rising portion, the structure with a footing is divided into a half block having a rising portion half upwardly directed to a side edge of a flat footing half. After that, the half block is placed on the substructure by abutting the divided side surfaces of the rising part halves against each other, and then the rising part halves facing each other are joined to join the half block. It is characterized by being integrated.
[0009]
With such a configuration, construction can be performed at a low cost in a short period, and high quality and excellent durability can be obtained.
[0010]
According to a second aspect of the present invention, in addition to the configuration of the first aspect, a pile insertion hole penetrating in the thickness direction is provided in the footing half body, and the head of the foundation pile is projected on the upper surface of the foundation structure to insert the pile. The half block is arranged on the substructure so that the head of the foundation pile is inserted into the hole, and after joining the rising portions half facing each other, the filler is filled in the pile insertion hole. It is characterized by the following.
[0011]
With this configuration, the structure with a footing can be connected to the substructure in a stable state, and positioning can be easily performed, thereby improving construction efficiency.
[0012]
According to a third aspect of the present invention, in addition to the configuration of the first or second aspect, the abutting portions of the rising portions are joined by bolting.
[0013]
With such a configuration, the half blocks can be suitably joined to each other.
[0014]
According to a fourth aspect of the present invention, in addition to the configuration of the first or second aspect, both ends of the PC tensile member are pierced in a state where the PC tensile member is penetrated between the abutted halves, and the PC tensile member is tensioned. Are fixed on the surface side of the half of the rising portion.
[0015]
With this configuration, even when the shearing force acting on the structure with a footing is large, the half blocks can be suitably joined with a large tightening force.
[0016]
BEST MODE FOR CARRYING OUT THE INVENTION
Next, an embodiment of the present invention will be described with reference to the drawings.
[0017]
FIG. 1 shows a support structure of a bridge. Reference numeral 10 denotes a structure with a footing constituting a pier, and reference numeral 11 denotes a foundation structure.
[0018]
The foundation structure 11 includes a plurality of foundation piles 12 and a foundation concrete portion 13 to which an upper end of the foundation pile 12 is connected. A pier, that is, a structure 10 with a footing is constructed on the foundation structure 11. It is supposed to.
[0019]
The foundation pile 12 is formed by cast-in-place into a bar shape of a reinforced concrete structure having a reinforcing bar cage 14 therein, and an end of the reinforcing bar cage is projected and exposed from the top of the head.
[0020]
The reinforcing bar cage 14 is provided with a number of longitudinal bars 14a in a parallel arrangement spaced apart in the circumferential direction, and lateral restraint bars 14b are arranged in an annular or helical shape outside the circular arrangement of the vertical bars. And the lateral restraint bars 14b are combined in a cage shape.
[0021]
The structure 10 with a footing that constitutes the pier includes a flat footing portion 15 connected to the substructure 11 and a rising portion 16 formed at the center of the footing portion 15 so as to face upward. 17 are joined together by joining means 18.
[0022]
As shown in FIG. 2, each half block 17 is formed into a shape obtained by dividing the structure 10 with a footing, and has a flat footing half 19 and a flat plate standing upright from a side edge of the footing half 18. The rising part half body 20 is integrally formed by precast concrete so as to have an L-shaped cross section.
[0023]
Pile insertion holes 21 and 21 penetrating in the thickness direction are formed in the footing half 19, and the head of the foundation pile 12 is inserted into the pile insertion holes 21.
[0024]
The rising portion half body 20 is formed in a flat plate shape, and has insertion holes 22, 22... Penetrating in the thickness direction.
[0025]
As shown in FIG. 3, the joining means 18 passes the bolts 23 through the insertion holes 22, 22 which are communicated by abutting the half-blocks 17, 17, and screw the nut 24 into the other end to tighten. Thereby, the rising part halves 20, 20 are joined, that is, the half blocks 17, 17 are joined.
[0026]
As shown in FIG. 4, the joining means 18 is provided with a fixing plate 25 on the surface of the rising portion half 20, and a tensile member 26 made of PC steel or the like is communicated by abutting the half blocks 17, 17. It is also possible to insert the fixing holes 25 into the fixing holes 25 with the use of wedges 27, 27 and the like.
[0027]
Further, it is preferable that the half blocks 17 have the same shape so that they can be formed by the same mold.
[0028]
Next, a method of constructing the structure 10 with a footing using the above-described half blocks 17 will be described.
[0029]
First, as shown in FIG. 5A, the ground 30 is turned downward, and the ground is excavated until the ground reaches a predetermined depth, that is, a depth reaching the support layer, thereby forming the holes 31 for casting in place. Form.
[0030]
Next, as shown in FIG. 5 (b), the reinforcing rod cage 14 is suspended in the cast-in-place hole 31, and underwater concrete is cast in the cast-in-place hole 31 by cast-in-place to form the foundation pile 12. I do.
[0031]
At this time, the end of the reinforcing rod cage 14 projects from the top of the foundation pile 12.
[0032]
Then, as shown in FIG. 5C, the foundation concrete 13 is cast so that the head of the foundation pile 12 projects from the surface, and the foundation structure 11 is formed.
[0033]
Next, as shown in FIG. 6 (d), the half blocks 17, 17 are aligned and suspended so that the head of the foundation pile 12 is inserted into the pile insertion hole 21, and the half blocks 17 The 17 divided side surfaces 20a, 20a are abutted against each other.
[0034]
Then, as shown in FIG. 6 (e), the bolts 23 are passed through the communicating through holes 22, 22 by being abutted with each other, and the both rising portion halves 20, 20, ie, the both half block 17 are tightened by bolting. , 17 are joined.
[0035]
Next, as shown in FIG. 6F, a filler 32 such as concrete or mortar is poured into the pile insertion hole 21 to fill the pile insertion hole 21, and the footing portion 15 and the foundation piles 12, 12 are filled. And are rigidly connected.
[0036]
At this time, if the end of the reinforcing rod cage 14 is protruded from the top of the foundation pile 12, the connection strength is improved.
[0037]
Thus, the structure 10 with a footing is constructed.
[0038]
In the above-described embodiment, a structure with a footing used for a bridge pier has been described. However, the present invention can also be applied to a structure with a footing that constitutes a foundation structure of a building.
[0039]
Further, in the above-described embodiment, the description has been given of the case using the bolt and the one using the PC tensile material as the joining means. However, the divided side surfaces may be joined via an adhesive or the like, and the adhesive and the bolt or the bolt may be used. You may make it use together with a PC tensile material.
[0040]
【The invention's effect】
As described above, the method of constructing a structure with a footing according to the present invention comprises dividing the structure with a footing into a half block having an upwardly rising portion half at a side edge of the footing half. After setting the half blocks on the substructure, with the divided side surfaces of the rising part halves facing each other, the half blocks are integrated by joining the rising part halves facing each other. By doing so, it is possible to carry out construction at a low cost in a short period of time, and to make the concrete high in strength, high quality and excellent in durability.
[0041]
In addition, by improving the durability, the cross-sectional area of a structure such as a pier can be reduced, and material costs can be reduced.
[0042]
In particular, it is advantageous in places where work conditions (construction conditions) are poor, such as in rivers, near houses, and construction of bypass roads, and places where shortening of the construction period is required.
[0043]
After placing the half-block on the substructure so that the head of the foundation pile is inserted into the pile insertion hole, and joining the rising portions facing each other, concrete is filled in the pile insertion hole. By doing so, the structure with the footing can be connected to the substructure in a stable state, and the positioning is easy and the construction efficiency is improved.
[0044]
Even if the shearing force acting on the structure with a footing is large, the half-blocks are joined by bolting or joining using a PC tensile member between the butted rising portions. It can be suitably joined.
[Brief description of the drawings]
FIG. 1 is a sectional view showing a pier.
FIG. 2 is a perspective view showing a half block in FIG. 1;
FIG. 3 is a partially enlarged sectional view showing a joining means in FIG. 1;
FIG. 4 is a partially enlarged cross-sectional view showing another joining means according to the first embodiment.
FIGS. 5A to 5C are cross-sectional views showing a substructure building process.
FIGS. 6 (d) to 6 (f) are cross-sectional views showing steps of constructing a structure with a footing.
FIG. 7 is a side view showing an example of a conventional structure with a footing.
[Explanation of symbols]
10 Bridge pier (structure with footing)
DESCRIPTION OF SYMBOLS 11 Foundation structure 12 Foundation pile 13 Foundation concrete part 14 Reinforcing bar 14a Vertical streak 14b Lateral restraint bar 15 Footing part 16 Standing part 17 Half block 18 Joining means 19 Footing half 20 Standing part half 21 Pile insertion hole 22 Insertion hole 23 Bolt 24 Nut 25 Fixing plate 26 Tensile material 27 Wedge 30 Ground 31 Cast-in hole 32 Filler

Claims (4)

基礎構造物に接続された平板状のフーチング部と、該フーチング部の中央上向きに形成された立ち上げ部とを備えたフーチング付き構造物の構築方法において、
前記フーチング付き構造物を、平板状のフーチング半体の側縁に上向きの立ち上げ部半体を有する半体ブロックに分割して成形しておき、該半体ブロックを基礎構造物上に前記立ち上げ部半体の分割側面を互いに突き合わせて設置した後、互いに対向した立ち上げ部半体同士を接合させることにより前記半体ブロックを一体化させることを特徴としてなるフーチング付き構造物の構築方法。
In a method of constructing a structure with a footing having a flat footing portion connected to a foundation structure, and a rising portion formed upward in the center of the footing portion,
The structure with a footing is divided into a half block having an upwardly raised portion at a side edge of a flat footing half, and the half block is formed on a substructure. A method of constructing a structure with a footing, characterized in that the divided side faces of the raised portion halves are placed in abutment with each other, and then the halved blocks are integrated by joining the opposing raised portion halves together.
フーチング半体に厚み方向に貫通した杭挿入孔を設けるとともに、基礎構造物上面に基礎杭の頭部を突出させておき、前記杭挿入孔に基礎杭の頭部が挿入されるように半体ブロックを基礎構造物上に配置し、互いに対向した立ち上げ部半体同士を接合させた後、前記杭挿入孔に充填材を充填する請求項1に記載のフーチング付き構造物の構築方法。The footing half is provided with a pile insertion hole penetrating in the thickness direction, and the head of the foundation pile is projected from the upper surface of the substructure, so that the head of the foundation pile is inserted into the pile insertion hole. The method for constructing a structure with a footing according to claim 1, wherein the blocks are arranged on the substructure, and the standing halves facing each other are joined to each other, and then a filler is filled in the pile insertion hole. 突き合わされた立ち上げ部半体間をボルト締めにより接合する請求項1に記載のフーチング付き構造物の構築方法。The method for constructing a structure with a footing according to claim 1, wherein the butted rising portion halves are joined by bolting. 突き合わされた立ち上げ部半体間にPC引張材を貫通させ、該PC引張材を緊張させた状態で前記PC引張材の両端をそれぞれ立ち上げ部半体の表面側で定着させる請求項1に記載のフーチング付き構造物の構築方法。2. The PC tension member penetrates between the butted rising portion halves, and both ends of the PC stretching material are fixed on the surface side of the rising portion half in a state where the PC tension material is tensioned. The construction method of the structure with a footing described in the above.
JP2003048584A 2003-02-26 2003-02-26 Construction method of pier Expired - Fee Related JP3763061B2 (en)

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Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR100991341B1 (en) * 2008-05-14 2010-11-01 주식회사 중앙씨앤씨 Precast Foundation and Pile Connection Structure between Precast Foundation and Pile
KR101099692B1 (en) 2009-05-08 2011-12-28 주식회사동일케미칼 Construction method for bollard
CN107237266A (en) * 2017-06-27 2017-10-10 中铁第四勘察设计院集团有限公司 Open cut rock anchor combination foundation and its inverse operation construction method
JP2020084529A (en) * 2018-11-22 2020-06-04 株式会社竹中工務店 Foundation structure, footing member, and foundation structure construction method

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR100991341B1 (en) * 2008-05-14 2010-11-01 주식회사 중앙씨앤씨 Precast Foundation and Pile Connection Structure between Precast Foundation and Pile
KR101099692B1 (en) 2009-05-08 2011-12-28 주식회사동일케미칼 Construction method for bollard
CN107237266A (en) * 2017-06-27 2017-10-10 中铁第四勘察设计院集团有限公司 Open cut rock anchor combination foundation and its inverse operation construction method
JP2020084529A (en) * 2018-11-22 2020-06-04 株式会社竹中工務店 Foundation structure, footing member, and foundation structure construction method
JP7128094B2 (en) 2018-11-22 2022-08-30 株式会社竹中工務店 Construction method of foundation structure

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