JP3197874B2 - Construction method of PC pile - Google Patents
Construction method of PC pileInfo
- Publication number
- JP3197874B2 JP3197874B2 JP36839598A JP36839598A JP3197874B2 JP 3197874 B2 JP3197874 B2 JP 3197874B2 JP 36839598 A JP36839598 A JP 36839598A JP 36839598 A JP36839598 A JP 36839598A JP 3197874 B2 JP3197874 B2 JP 3197874B2
- Authority
- JP
- Japan
- Prior art keywords
- pile
- diaphragm
- shaft hole
- hole
- head end
- 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
- Placing Or Removing Of Piles Or Sheet Piles, Or Accessories Thereof (AREA)
Description
【０００１】[0001]
【発明の属する技術分野】この発明はＰＣパイルの建込
施工方法に関し、特に杭を建て込む為に掘削した残土を
建て込んだＰＣパイルの軸孔内に投入することにより、
投棄すべき残土の及ぶ限りの減少を図り、環境破壊の原
因を除去したものである。BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a method for constructing a PC pile, and more particularly to a method for constructing a pile by inserting surplus soil excavated into a pile of a PC pile.
The aim is to reduce as much as possible the amount of surplus soil to be dumped and eliminate the cause of environmental destruction.
【０００２】[0002]
【従来の技術】ＰＣパイルはプレキャストコンクリート
からなる杭体であって、一端部が閉じてコーンヘッドを
形成し、そのコーンヘッドから他端部まで所定長さの中
空の軸孔を有する細長の有底円筒体である。この軸孔は
ＰＣパイルの重量を軽減することと、モルタル遠心成型
法による必然的な構成要素であるが、地中に建込時や建
込後に何等の便宜をも提供するものではない。すなわ
ち、軸孔内に液体や固体又は気体等の充てん物を投入す
るものではなく、従来より、ほとんど中空のまま埋め込
まれる。このＰＣパイルはアースオーガ等によって削設
された地中孔に挿入して建て込み、その頭端部に支持を
取って建築物の基礎などが形成される。2. Description of the Related Art A PC pile is a pile made of precast concrete. One end is closed to form a cone head, and an elongated hole having a hollow shaft hole having a predetermined length from the cone head to the other end. It is a bottom cylinder. The shaft hole is an essential component for reducing the weight of the PC pile and for the mortar centrifugal molding method, but does not provide any convenience at the time of being built in the ground or after being built. That is, a filling material such as a liquid, a solid, or a gas is not charged into the shaft hole, and the filling is made almost hollow in the related art. This PC pile is inserted and built into an underground hole cut by an earth auger or the like, and its head end is supported to form a foundation of a building.
【０００３】[0003]
【発明が解決しようとする課題】しかしながら、杭建込
機等による建設現場の掘削土砂が残土として投棄せざる
を得ない場合、今やその投棄場所が限られて重大な環境
問題を提起しており、また、投棄場所まで運搬しなけれ
ばならないという経済的負担を強いられるのが現実であ
る。However, when excavated soil at a construction site due to a pile construction machine or the like has to be dumped as surplus soil, the dumping place is now limited and raises serious environmental problems. In addition, the reality is that there is an economic burden of having to transport to the dump site.
【０００４】そこで、この発明はＰＣパイルを建て込む
場合に、アースオーガ等にて掘削した土砂を、その建て
込んだＰＣパイルの軸孔内に投入して埋め戻すことによ
り、投棄すべき残土の及ぶ限りの減少を図ろうとするも
のである。Therefore, according to the present invention, when a PC pile is built, earth and sand excavated by an earth auger or the like is put into a shaft hole of the built PC pile and back-filled, thereby removing residual soil to be dumped. The aim is to reduce as far as possible.
【０００５】[0005]
【課題を解決するための手段】この発明にかかるＰＣパ
イルの建込施工方法は、請求項１に記載のように、削設
した地中孔にプレキャストコンクリートからなるＰＣパ
イルを建込んで地面に露出させたその頭端部から軸孔内
に、前記ＰＣパイルの内径よりも小さい巾寸法と起振性
の高い肉厚を有する所要長さの振動板を挿入し、該振動
板を起振させながらＰＣパイルの頭端部から軸孔内に残
土等を投入することを特徴とする。According to a first aspect of the present invention, a method for constructing a PC pile according to the present invention is to lay a PC pile made of precast concrete in a ground hole that has been cut and install it on the ground. A width dimension smaller than the inner diameter of the PC pile and vibrating properties are set in the shaft hole from the exposed head end .
The method is characterized in that a diaphragm of a required length having a high wall thickness is inserted, and while the diaphragm is vibrated, residual soil or the like is poured into the shaft hole from the head end of the PC pile.
【０００６】そして、請求項２に記載のように、前記振
動板がＰＣパイルに接触して該振動板にてＰＣパイルが
振動可能なことを特徴とするとともに、請求項３に記載
のように、前記残土等が前記ＰＣパイルを建込むために
アースオーガ等にの掘削機にて穿設した土砂であること
を特徴とする。According to a second aspect of the present invention, the vibration plate contacts the PC pile so that the PC pile can be vibrated by the vibration plate. The remaining soil and the like are earth and sand drilled by an excavator in an earth auger or the like in order to build the PC pile.
【０００７】したがって、地中孔の穿設にて産出した残
土がＰＣパイルのい軸孔内に投入されて投棄すべき残土
量が減少して投棄に要する諸費用等の減少と環境破壊要
因の減少が可能となる。[0007] Therefore, the residual soil produced by drilling the underground hole is thrown into the shaft hole of the PC pile to reduce the amount of residual soil to be dumped, thereby reducing various costs required for dumping and causing environmental destruction. Reduction is possible.
【０００８】[0008]
【発明の実施の形態】以下この発明の実施の形態を図に
基づき説明する。DESCRIPTION OF THE PREFERRED EMBODIMENTS Embodiments of the present invention will be described below with reference to the drawings.
【０００９】ＰＣパイルを建て込むための第１施工工程
として、図１に示すように、所要長さの地中孔１０を地
面Ｇ．Ｌに穿設する。穿孔作業には、例えば、図示のよ
うなアースオーガ掘削機を用い、地上を走行可能なその
本体１に柱２を地上へ垂直に向けて立設し、該柱２に平
行して設けられたガイド柱３にガイドされて昇降可能な
減速機４を配設し、該減速機４は油圧モータ又は電動モ
ータ等の駆動機４にて駆動され、減速機４に接続したス
パイラルスクリュウからなるオーガ８が回転することに
より地中孔１０が穿設される。穿設による残土１１は排
出ガイド９等を介してなるべく地中孔１０付近に載置し
ておく。As a first construction step for laying a PC pile, as shown in FIG. Drill in L. For the drilling work, for example, an earth auger excavator as shown in the figure is used, and a pillar 2 is erected vertically on the main body 1 capable of traveling on the ground, and provided in parallel with the pillar 2. A speed reducer 4 that can be moved up and down by being guided by the guide pillar 3 is provided. The speed reducer 4 is driven by a drive device 4 such as a hydraulic motor or an electric motor, and is an auger 8 composed of a spiral screw connected to the speed reducer 4. The underground hole 10 is drilled by rotating. The excavated soil 11 is placed as close to the underground hole 10 as possible via the discharge guide 9 or the like.
【００１０】所要長さの地中孔１０が穿設された後、第
２施工工程として、その地中孔１０内にＰＣパイルを建
て込む。この建て込み作業はどのような手段を採っても
よいが、例えば、図２に示すように、杭建込機としての
アースオーガ掘削機の本体１から駆動機５と一体の減速
機４をガイド柱３から取り外し、それらを吊り上げてい
る吊支索６にＰＣパイル１２の頭端部を連結して吊り上
げ、コーンヘッドの先端部を地中孔１２内に導いて建て
込むのがよい。After the underground hole 10 having a required length is formed, a PC pile is erected in the underground hole 10 as a second construction step. This installation work may take any means. For example, as shown in FIG. 2, the reduction gear 4 integrated with the drive unit 5 is guided from the main body 1 of the earth auger excavator as a pile construction machine. It is preferable to remove the pillars 3, connect the head ends of the PC piles 12 to the suspension ropes 6 for lifting them, lift them up, guide the tip of the cone head into the underground holes 12, and build them.
【００１１】ＰＣパイル１２が地中孔１０内に建て込ま
れた後、第３施工工程として、地面Ｇ．Ｌから露出する
その頭端部から残土１１を軸孔１３内に投入する。残土
１１の投入は、ＰＣパイル１２の内径が高々４０ｃｍ程
度であるから、残土１１を頭端部から直接投入しても内
部で団塊状となって目詰まりする可能性が高い。そこ
で、図３に示すように、ＰＣパイル１２の頭端部から振
動板１５を内部に挿入し、該振動板１５を起振機１４に
接続する。起振機１４は、例えば、図示のように、ＰＣ
パイル１２を建て込んだ後のアースオーガ掘削機のガイ
ド柱３に係合し、吊支索６に吊支されて昇降可能に配設
するのがよい。After the PC pile 12 is erected in the underground hole 10, the ground G. The residual soil 11 is put into the shaft hole 13 from the head end exposed from the L. Since the inside diameter of the PC pile 12 is at most about 40 cm when the residual soil 11 is charged, even if the residual soil 11 is directly introduced from the head end portion, there is a high possibility that the residual soil 11 becomes a nodule inside and is clogged. Therefore, as shown in FIG. 3, the diaphragm 15 is inserted into the inside of the PC pile 12 from the head end thereof, and the diaphragm 15 is connected to the vibrator 14. The exciter 14 is, for example, a PC
The pile 12 is preferably engaged with the guide pillar 3 of the earth auger excavator after the pile 12 is erected, suspended by the suspension rope 6 and arranged so as to be able to move up and down.
【００１２】振動板１５は、図４に実線にて示すよう
に、ＰＣパイル１２の内径Ｄよりも小さい巾寸法と起振
性の高い肉厚を有する所要長さの板体であって、通例、
鉄板からなる。したがって、振動板１５はＰＣパイル１
２の軸孔内で自由に揺動し、かつ、振動することができ
る。また、図４に仮想線にて示すように、振動板１５の
巾寸法を大きくしてＰＣパイル１２の内周面に当接する
振動板１６を配設することにより、振動板１６はＰＣパ
イル１２と一体的に振動することができるようにしても
よい。なお、軸孔１３内に堆積する残土１１の量に見合
い、振動板１５は軸孔１３から上方へ上昇させて最終的
には引き抜かれる。As shown by a solid line in FIG. 4, the diaphragm 15 is a plate of a required length having a width dimension smaller than the inner diameter D of the PC pile 12 and a high vibrating thickness. ,
Made of iron plate. Therefore, the diaphragm 15 is the PC pile 1
It can freely swing and vibrate in the second shaft hole. Further, as shown by the phantom line in FIG. 4, by increasing the width of the diaphragm 15 and disposing the diaphragm 16 in contact with the inner peripheral surface of the PC pile 12, the diaphragm 16 is It may be possible to integrally vibrate. Note that the diaphragm 15 is lifted upward from the shaft hole 13 and finally pulled out in accordance with the amount of the residual soil 11 deposited in the shaft hole 13.
【００１３】したがって、起振機１４にて振動板１５を
振動させながらＰＣパイル１２の頭端部から軸孔内に残
土１１を適宜の可搬機（ユンボ（登録商標）等）で投入
すると、振動板１４又は振動板とＰＣパイルの両方が振
動して軸孔内の残土１１は目詰まりを生じることなく、
孔内底部から頭端部まで密度高く投入され、地上Ｇ．Ｌ
に残る残土１１の量のうち、少なくとも軸孔１３の容積
に相当する量が処分されるため、投棄すべき残土１１の
量が減少し、投棄するための諸費用等が減少する。Therefore, when the residual soil 11 is put into the shaft hole from the head end of the PC pile 12 by a suitable portable machine (such as Yumbo (registered trademark)) while the diaphragm 15 is vibrated by the vibrator 14, The diaphragm 14 or both the diaphragm and the PC pile vibrate, and the residual soil 11 in the shaft hole does not clog,
It is injected with high density from the bottom of the hole to the head end. L
Since at least an amount corresponding to the volume of the shaft hole 13 is discarded out of the amount of the remaining soil 11, the amount of the remaining soil 11 to be dumped is reduced, and various costs for dumping are reduced.
【００１４】[0014]
【発明の効果】以上説明したこの発明によれば、ＰＣパ
イルを打ち込む為に穿設した地中孔から排出された残土
をＰＣパイルの軸孔内に埋め戻すこととしたので、投棄
すべき残土の産出量が減少してその投棄に要する諸費用
等の減少と環境破壊要因の削減を図ることができる。According to the present invention described above, the residual soil discharged from the underground hole drilled for driving the PC pile is backfilled in the shaft hole of the PC pile, so that the residual soil to be discarded As a result, it is possible to reduce the costs required for dumping and reduce environmental destruction factors.
【図面の簡単な説明】[Brief description of the drawings]
【図１】この発明の第１施工工程の概略図である。FIG. 1 is a schematic view of a first construction step of the present invention.
【図２】この発明の第２施工工程の概略図である。FIG. 2 is a schematic view of a second construction step of the present invention.
【図３】この発明の第３施工工程の概略図である。FIG. 3 is a schematic view of a third construction step of the present invention.
【図４】ＰＣパイルに振動板を挿入した横断面図であ
る。FIG. 4 is a cross-sectional view in which a diaphragm is inserted into a PC pile.
【符号の説明】 １０…地中孔 １１…残土 １２…ＰＣパイル １３…軸孔 １４…起振機 １５…振動板[Description of Signs] 10: Underground hole 11: Residual soil 12: PC pile 13: Shaft hole 14: Exciter 15: Vibration plate
Claims (3)
ートからなるＰＣパイルを建込んで地面に露出させたそ
の頭端部から軸孔内に、前記ＰＣパイルの内径よりも小
さい巾寸法と起振性の高い肉厚を有する所要長さの板体
からなる振動板を挿入し、該振動板を起振させながらＰ
Ｃパイルの頭端部から軸孔内に残土等を投入することを
特徴とするＰＣパイルの建込施工方法。To 1. A Kezu設the axial bore of the PC piles made of precast concrete in the ground hole from its head end to expose the ground crowded denominated smaller than the inner diameter of the PC pile
A diaphragm made of a plate of a required length having a width and a wall thickness with high vibrating properties is inserted, and P is applied while vibrating the diaphragm.
A method for constructing a PC pile, comprising charging remaining soil and the like into a shaft hole from a head end of a C pile.
にてＰＣパイルが振動可能なことを特徴とする請求項１
記載のＰＣパイルの建込施工方法。2. The PC pile is vibrated by the diaphragm in contact with the PC pile.
The construction method of PC pile described.
アースオーガ等の掘削機にて穿設した土砂であることを
特徴とする請求項１又は２記載のＰＣパイルの建込施工
方法。3. The method according to claim 1, wherein the remaining soil is earth and sand pierced by an excavator such as an earth auger to lay the PC pile.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP36839598A JP3197874B2 (en) | 1998-12-25 | 1998-12-25 | Construction method of PC pile |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP36839598A JP3197874B2 (en) | 1998-12-25 | 1998-12-25 | Construction method of PC pile |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JP2000192459A JP2000192459A (en) | 2000-07-11 |
| JP3197874B2 true JP3197874B2 (en) | 2001-08-13 |
Family
ID=18491710
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP36839598A Expired - Fee Related JP3197874B2 (en) | 1998-12-25 | 1998-12-25 | Construction method of PC pile |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP3197874B2 (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US8100301B2 (en) | 2009-05-06 | 2012-01-24 | Babiarz Stacey A | Sandbag filling apparatus |
-
1998
- 1998-12-25 JP JP36839598A patent/JP3197874B2/en not_active Expired - Fee Related
Also Published As
| Publication number | Publication date |
|---|---|
| JP2000192459A (en) | 2000-07-11 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| LAPS | Cancellation because of no payment of annual fees |