JP2792632B2 - Construction method of foundation pile - Google Patents
Construction method of foundation pileInfo
- Publication number
- JP2792632B2 JP2792632B2 JP29742489A JP29742489A JP2792632B2 JP 2792632 B2 JP2792632 B2 JP 2792632B2 JP 29742489 A JP29742489 A JP 29742489A JP 29742489 A JP29742489 A JP 29742489A JP 2792632 B2 JP2792632 B2 JP 2792632B2
- Authority
- JP
- Japan
- Prior art keywords
- temporary
- foundation pile
- gantry
- pile
- constructing
- 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 - Fee Related
Links
Landscapes
- Piles And Underground Anchors (AREA)
- Placing Or Removing Of Piles Or Sheet Piles, Or Accessories Thereof (AREA)
- Working Measures On Existing Buildindgs (AREA)
Description
【発明の詳細な説明】 （産業上の利用分野） 本発明は、鉄道や道路などの交通路の上に建物を構築
する場合に適した、新建造物を構築する際の基礎杭の構
築方法に関する。Description: TECHNICAL FIELD The present invention relates to a method for constructing a foundation pile for constructing a new building, which is suitable for constructing a building on a traffic path such as a railway or a road. .
（従来の技術） 一般に、前記交通路の上に建物を構築するには、例え
ば駅舎部では、土留をして駅舎部地下に空間を作り、プ
ラットホームを覆工後に、比較的小規模な施工機械（例
えばロータリー式ボーリングマイン等）を用いて杭孔を
掘削して場所打ち杭を施工する工法が行なわれている。
また、杭孔掘削の際の残土や建築資材の搬入出は、地下
道の一部を占用して行なう。(Conventional technology) In general, for building a building on the above-mentioned traffic route, for example, in a station building, a space is made in the basement of the station building underground, and after laying down the platform, a relatively small-scale construction machine is used. 2. Description of the Related Art There is a method of constructing a cast-in-place pile by excavating a pile hole using a rotary boring mine (for example, a rotary boring mine).
In addition, when excavating pile holes, carry in and out of surplus soil and building materials will be carried out by occupying part of the underpass.
（発明が解決しようとする課題） ところで、上述した従来の、交通路の機能を損なうこ
となく、前記交通路上や駅舎上に新しい建物を構築する
際の基礎杭の構築方法では、公益性を重視し、安全性を
確保するために、前記土留杭、残土搬出、プラットホー
ムの覆工等の施工作業が、例えばき電停止後に行なわれ
ることになり、作業時間を長くとることができない。よ
って、作業が非能率的となって、工期も長くなる。(Problems to be Solved by the Invention) By the way, in the above-mentioned conventional method of constructing a foundation pile when constructing a new building on a traffic route or a station building without impairing the function of the traffic route, the public interest is emphasized. However, in order to ensure safety, the construction work such as the retaining pile, the removal of the residual soil, and the lining of the platform are performed, for example, after the power supply is stopped, so that the working time cannot be lengthened. Therefore, the work becomes inefficient and the construction period becomes longer.
また、新建造物の規模によっては大口径あるいは長尺
の基礎杭が必要であるが、従来工法では大口径あるいは
長尺の杭を施工することが困難であた。Also, depending on the scale of the new building, a large-diameter or long foundation pile is required, but it was difficult to construct a large-diameter or long pile using the conventional method.
本発明の目的は、上述した欠点に艦みなされたもの
で、交通路の機構と安全性を確保しつつ、工期の短縮と
作業能率の向上を図る、既存建物の稼働可能な新建造物
を構築する際の基礎杭の構築方法を提供することにあ
り、大口径や長尺の基礎杭の構築を可能とする。The object of the present invention is to be regarded as a ship in view of the above-mentioned drawbacks, and to construct a new building that can operate an existing building while shortening the construction period and improving work efficiency while securing the mechanism and safety of the traffic route. The purpose of the present invention is to provide a method of constructing a foundation pile when constructing a large-diameter or long foundation pile.
（課題を解決するための手段） 本発明に係る既存建物の稼働可能な新建造物の構築方
法の上記課題を解決し、目的を達成するための要旨は、
既存の建物とその付属施設を稼働させつつ、それらの上
に新建造物を構築するための基礎杭の構築方法であっ
て、仮設支持杭を適宜な間隙を置いて立設し、この仮設
支持杭に仮設桁を架設し、該仮設桁の上に、仮設レール
と覆工板とからなる仮設構台を構築して、該仮設構台の
基礎杭予定位置に開口部を設けるとともに該基礎杭予定
位置の仮設構台から地上部分へ仮囲い枠を垂設し、前記
仮設構台に基礎杭工機械を搭載して、基礎杭施工作業を
前記仮設構台上で行なうことに存する。(Means for Solving the Problems) The gist for solving the above-mentioned problems of the method for constructing a new building capable of operating an existing building according to the present invention and achieving the object is as follows.
This is a method of constructing a foundation pile for constructing a new building on an existing building and its associated facilities while operating the existing building. The temporary support pile is erected with an appropriate gap therebetween. A temporary girder is erected on the temporary girder, a temporary gantry composed of a temporary rail and a lining plate is constructed on the temporary girder, and an opening is provided at a planned base pile position of the temporary gantry, and A temporary enclosure is suspended from a temporary gantry to a ground portion, a foundation pile construction machine is mounted on the temporary gantry, and a foundation pile construction operation is performed on the temporary gantry.
（作用） このように、本発明に係る基礎杭の構築方法によれ
ば、交通路上や駅舎等上に仮設構台を構築し、この仮設
構台から基礎杭を構築するので、従来のように地下空間
を作りプラットホーム等を覆工後に地下空間内で基礎杭
を打つことがなく、作業時間が制約されることもない。
よって、前記仮設構台上の作業となるので作業能率の向
上となる。(Operation) As described above, according to the method for constructing a foundation pile according to the present invention, a temporary gantry is constructed on a traffic route, a station building, or the like, and a foundation pile is constructed from the temporary gantry. No foundation piles are struck in the underground space after lining the platform, etc., and the working time is not restricted.
Therefore, since the work is performed on the temporary gantry, work efficiency is improved.
また、前記仮設構台から地下部分（プラットホームを
含む）へ仮囲い枠を垂設するので、交通路の機能が支持
されるとともに、プラットホーム部においても乗客等の
安全性が確保されることなる。In addition, since the temporary surrounding frame is suspended from the temporary gantry to the underground portion (including the platform), the function of the traffic path is supported, and the safety of passengers and the like is also secured in the platform portion.
このように、交通路の機能と安全性を確保しつつ仮設
構台上で基礎杭構築作業を全て行うことができるので、
効率的かつ経済的な基礎杭の構築方法を提供できるとと
もに、大口径や長尺の基礎杭の構築も可能となる。In this way, all foundation pile construction work can be performed on the temporary gantry while securing the function and safety of the traffic route,
An efficient and economical method of constructing a foundation pile can be provided, and a large-diameter or long foundation pile can be constructed.
（実施例） 以下、添付図面に従って本発明の一実施例を説明す
る。第１図乃至第４図は、本発明に係る基礎杭の構築方
法の、施工順序を示す説明図である。Hereinafter, an embodiment of the present invention will be described with reference to the accompanying drawings. FIG. 1 to FIG. 4 are explanatory views showing the construction order of the method for constructing a foundation pile according to the present invention.
第１図は、駅のプラットホーム１と軌道２に、仮設支
持杭3,3…を立設し、この仮設支持杭3,3…に支持レール
3aを介して仮設桁4,4…をクレーン５で架設する様子を
示している。尚、符号６は前記仮設支持杭３の補強用の
ブレース材であり、７は吊持用のワイヤを各々示してい
る。前記仮設桁4,4…ボルト・ナット等で連結する継ぎ
材8,8…を介して縦横方向に格子状にして配設する。FIG. 1 shows that temporary support piles 3,3,... Are erected on the platform 1 and the track 2 of the station, and the support rails 3,3,.
The state where the temporary girders 4, 4 ... are erected by the crane 5 via 3a is shown. Reference numeral 6 denotes a brace material for reinforcing the temporary support pile 3, and reference numeral 7 denotes a wire for suspension. The temporary girders 4, 4 ... are arranged in a grid in the vertical and horizontal directions via joint members 8, 8 ... connected by bolts and nuts.
よって、平面的に見ると、前記仮設桁４における縦方
向の桁4aと、横方向の桁4bとで囲まれた中に、本設の柱
部材設置すべき位置９があるように配設する。このよう
な、前記仮設支持杭3,3…に前記仮設桁4,4…をクレーン
５で架設作業するには、前記クレーン５を空地等に設置
して、き電停止後に行なうものである。Therefore, when viewed in a plan view, the temporary girder 4 is arranged so that there is a position 9 where the main pillar member is to be installed, surrounded by the vertical girder 4a and the horizontal girder 4b. . In order to install the temporary girders 4, 4,... On the temporary support piles 3, 3,... With the crane 5, the crane 5 is installed in an open space or the like, and the work is performed after power supply is stopped.
次に、上記の架設された前記仮設桁4,4…の上に、第
２図と第３図に示すように、仮設レール10を適宜間隙で
敷設するとともに、その上にほぼ全面にわたり覆工板11
を敷設する。この様にして仮設構台Ａを構築する。この
場合、前記本設の柱部材設置位置９の部分では、基礎杭
工事に必要な大きさの開口部を形成して、前記覆工板11
を敷設するものである。Next, as shown in FIG. 2 and FIG. 3, temporary rails 10 are laid at appropriate intervals on the above-mentioned temporary girders 4, 4. Plank 11
Laying. In this way, the temporary gantry A is constructed. In this case, an opening having a size necessary for foundation pile construction is formed at the column member installation position 9 of the main building, and the lining plate 11 is formed.
Is to be laid.
そして、第４図に示すように、前記仮設構台Ａの前記
覆工板11上にクローラクレーン12を載置する。前記柱部
材設置位置９にて、前記仮設桁４の下面からプラットホ
ーム１表面まで、基礎杭の構築に必要な大きさで、仮囲
い板13で仮囲い枠を形成する。工事中の安全対策のため
である。Then, as shown in FIG. 4, a crawler crane 12 is placed on the lining plate 11 of the temporary gantry A. At the column member installation position 9, from the lower surface of the temporary girder 4 to the surface of the platform 1, a temporary enclosure frame is formed with a temporary enclosure plate 13 of a size necessary for the construction of the foundation pile. This is for safety measures during construction.
次に、前記クローラクレーン12でもって、掘削用ドリ
ルビット14aを装着したドリルロッド14を吊り下げて、
前記覆工板11の開口部から降下させる。そして、ロータ
リーテーブル15を設置して、前記ドリルロッド14を回転
させながら地盤を掘削する。Next, the crawler crane 12 suspends the drill rod 14 equipped with the drill bit 14a for drilling,
It is lowered from the opening of the lining plate 11. Then, a rotary table 15 is installed, and the ground is excavated while rotating the drill rod 14.
このとき、図示していないが、掘削土は掘削孔16に充
満されている泥水とともにポンプでリバース管15aによ
り（仮設構台Ａ上を通じて）適宜場所に設置された泥水
プラントへ排出する。At this time, though not shown, the excavated soil is discharged together with the muddy water filled in the excavation hole 16 to the muddy water plant installed at an appropriate place (through the temporary gantry A) by the pump using the reverse pipe 15a.
掘削が完了したら、前記クローラクレーン12を使用し
て、向上などで予め製造した鉄筋篭（図示せず）を前記
掘削孔16に設置し、場所打ちコンクリートを打設して、
基礎杭17を構築する（第６図参照）。尚、符号８は、ス
タンドパイプを示している。When the excavation is completed, using the crawler crane 12, a reinforcing bar (not shown) manufactured in advance for improvement or the like is installed in the excavation hole 16, and cast-in-place concrete is cast.
The foundation pile 17 is constructed (see FIG. 6). Reference numeral 8 denotes a stand pipe.
以上の実施例はリバースサーキュレイションドリル工
法による基礎杭構築方法であるが、オールケーシング工
法あるいはアースドリル工法によっても施工可能であ
り、既製杭を用いる基礎杭の構築も可能である。The above embodiment is a method of constructing a foundation pile by a reverse circulation drill method, but can also be constructed by an all casing method or an earth drill method, and can also construct a foundation pile using a ready-made pile.
また、前記基礎杭17を構築中も、作業用孔を仮囲い板
13で囲ってあるので、一般人に対する安全性も確保され
ている。Also, during the construction of the foundation pile 17, the working hole is
Because it is surrounded by 13, safety for the general public is also ensured.
次に、前記クローラクレーン12を撤収後に、前記覆工
板11、仮設レール10からなる仮設構台Ａを撤収する。Next, after the crawler crane 12 is withdrawn, the temporary gantry A including the lining plate 11 and the temporary rail 10 is withdrawn.
そして、前記柱18から上方に向けて、柱や梁を構築し
て、軌道２上やプラットホーム１の上に、新しい建物
（図示せず）を構築するものである。Then, a new building (not shown) is constructed on the track 2 and on the platform 1 by constructing columns and beams upward from the columns 18.
本発明を以上のように説明したが、仮囲い板は可撓性
マット等の仮囲い手段で仮囲い枠を形成してもよいもの
である。Although the present invention has been described above, the temporary enclosing plate may be formed by a temporary enclosing means such as a flexible mat.
（発明の効果） 以上詳細に説明したように、本発明に係る基礎杭の構
築方法によれば、既存の建物とその付属施設を稼働させ
つつ、それらの上に新建造物を構築するための基礎杭の
構築方法であって、仮設支持杭を適宜な間隙を置いて立
設し、この仮設支持杭に仮設桁を架設し、該仮設桁の上
に、仮設レールと覆工板とからなる仮設構台を構築し
て、該仮設構台の基礎杭予定位置に開口部を設けるとと
もに該基礎杭予定位置の仮設構台から地上部分へ仮囲い
枠を垂設し、前記仮設構台に基礎杭施工機械を搭載し
て、基礎杭施工作業を前記仮設構台上で行なうことにし
たので、交通路の機能を損なうことがなく、作業時間の
制約もなくなり、基礎杭の構築の作業能率が向上した。(Effects of the Invention) As described in detail above, according to the method for constructing a foundation pile according to the present invention, a foundation for constructing a new building on an existing building and its ancillary facilities while operating the same. A method of constructing a pile, in which a temporary support pile is erected with an appropriate gap, a temporary girder is erected on the temporary support pile, and a temporary girder comprising a temporary rail and a lining plate is provided on the temporary girder. A gantry is constructed, an opening is provided at a planned base pile position of the temporary gantry, a temporary enclosure is suspended from the temporary gantry at the planned base pile position to a ground portion, and a foundation pile construction machine is mounted on the temporary gantry. Since the foundation pile construction work is performed on the temporary gantry, the function of the traffic route is not impaired, the work time is not restricted, and the work efficiency of foundation pile construction is improved.
更に、仮設構台の上で作業できるので、作業を効率的
になるとともに、安全性の確保の点からも従来の構築方
法より優れたものとなった。Further, since the work can be performed on the temporary gantry, the work becomes more efficient, and in terms of ensuring safety, it is superior to the conventional construction method.
第１図乃至第４図は、本発明の施工順序を示すものであ
り、第１図は仮設桁を架設している様子を示す横断面
図、第２図は仮設構台を示す縦断面図、第３図は同じく
横断面図、第４図は基礎杭を構築している様子を示す横
断面図である。 １……プラットホーム、２……軌道、３……仮設支持
杭、４……仮設桁、５……クレーン、８……継ぎ材、９
……柱部材設置位置、10……仮設レール、11……覆工
板、13……仮囲い板、16……掘削孔、17……基礎杭、18
……柱、Ａ……仮設構台。1 to 4 show the construction sequence of the present invention, FIG. 1 is a cross-sectional view showing a state where a temporary girder is being erected, FIG. 2 is a vertical sectional view showing a temporary gantry, FIG. 3 is a cross-sectional view of the same, and FIG. 4 is a cross-sectional view showing how a foundation pile is being constructed. DESCRIPTION OF SYMBOLS 1 ... Platform, 2 ... Track, 3 ... Temporary support pile, 4 ... Temporary girder, 5 ... Crane, 8 ... Joint material, 9
…… Pole member installation position, 10 …… Temporary rail, 11 …… Lining plate, 13 …… Temporary shroud plate, 16 …… Drilling hole, 17 …… Foundation pile, 18
... pillar, A ... temporary gantry.
───────────────────────────────────────────────────── フロントページの続き (56)参考文献 特開 昭62−260918（ＪＰ，Ａ) 特開 平３−137317（ＪＰ，Ａ) (58)調査した分野(Int.Cl.6，ＤＢ名) E02D 7/16 E02D 5/34 E04G 23/02────────────────────────────────────────────────── ─── Continuation of the front page (56) References JP-A-62-260918 (JP, A) JP-A-3-137317 (JP, A) (58) Fields investigated (Int. Cl. 6 , DB name) E02D 7/16 E02D 5/34 E04G 23/02
Claims (1)
つ、それらの上に新建造物を構築するための基礎杭の構
築方法であって、仮設支持杭を適宜な間隔を置いて立設
し、この仮設支持杭に仮設桁を架設し、該仮設桁の上
に、仮設レールと覆工板とからなる仮設構台を構築し
て、該仮設構台の基礎杭予定位置に開口部を設けるとと
もに該基礎杭予定位置の仮設構台から地上部分へ仮囲い
枠を垂設し、前記仮設構台に基礎杭施工機械を搭載し
て、基礎杭施工作業を前記仮設構台上で行なうことを特
徴としてなる基礎杭の構築方法。1. A method of constructing a foundation pile for constructing a new building on an existing building and its attached facilities while operating the existing building, wherein temporary supporting piles are erected at appropriate intervals. A temporary girder is erected on the temporary support pile, a temporary gantry including a temporary rail and a lining plate is constructed on the temporary girder, and an opening is provided at a planned base pile position of the temporary gantry. A foundation pile characterized by suspending a temporary surrounding frame from a temporary gantry at a planned foundation pile position to a ground portion, mounting a foundation pile construction machine on the temporary gantry, and performing a foundation pile construction work on the temporary gantry. How to build.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP29742489A JP2792632B2 (en) | 1989-11-17 | 1989-11-17 | Construction method of foundation pile |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP29742489A JP2792632B2 (en) | 1989-11-17 | 1989-11-17 | Construction method of foundation pile |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH03158520A JPH03158520A (en) | 1991-07-08 |
| JP2792632B2 true JP2792632B2 (en) | 1998-09-03 |
Family
ID=17846333
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP29742489A Expired - Fee Related JP2792632B2 (en) | 1989-11-17 | 1989-11-17 | Construction method of foundation pile |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP2792632B2 (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP6309400B2 (en) * | 2014-08-29 | 2018-04-11 | 鹿島建設株式会社 | Pile removal method |
-
1989
- 1989-11-17 JP JP29742489A patent/JP2792632B2/en not_active Expired - Fee Related
Also Published As
| Publication number | Publication date |
|---|---|
| JPH03158520A (en) | 1991-07-08 |
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