JPH0654015B2 - How to build the foundation - Google Patents
How to build the foundationInfo
- Publication number
- JPH0654015B2 JPH0654015B2 JP62155937A JP15593787A JPH0654015B2 JP H0654015 B2 JPH0654015 B2 JP H0654015B2 JP 62155937 A JP62155937 A JP 62155937A JP 15593787 A JP15593787 A JP 15593787A JP H0654015 B2 JPH0654015 B2 JP H0654015B2
- Authority
- JP
- Japan
- Prior art keywords
- foundation
- ground
- block
- construction
- precast block
- 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 - Lifetime
Links
Description
【発明の詳細な説明】 〔産業上の利用分野〕 この発明は地中において基礎の構築を行う、基礎の構築
方法に関するものである。TECHNICAL FIELD The present invention relates to a foundation construction method for constructing a foundation in the ground.
〔発明が解決しようとする問題点〕 基礎の施工は通常基礎構築位置に沿って地盤を掘削し、
基礎構築、そして掘削土を埋め戻すという要領で行われ
るが、掘削と埋め戻しは従来不可欠な施工要素であるた
め一般に作業が大がかりとなるのが実情である。特に基
礎の深度が大きい場合には掘削土量も多く、工期の長期
化、コスト高は避けられない。[Problems to be solved by the invention] The foundation is usually constructed by excavating the ground along the foundation construction position,
The foundation is constructed and the excavated soil is backfilled. However, since excavation and backfilling are conventionally indispensable construction elements, the work is generally large in scale. Especially when the depth of the foundation is large, the amount of excavated soil is large and the construction period is long and the cost is inevitable.
また地上の作業スペースに制限がある場合や構造物が建
っている場合等には施工が困難である。In addition, construction is difficult when there is a limit to the work space on the ground or when a structure is built.
この発明はこうした基礎構築方法の現状を踏まえてなさ
れたもので、地中において施工を行うことにより上記の
問題を解決しようとするものである。The present invention has been made in view of the current situation of such a foundation construction method, and is intended to solve the above problems by performing the construction in the ground.
本発明では基礎構築位置の一部の立坑を形成し、これを
作業スペースとして利用し、その底部より直接地中を水
平方向に掘進することにより従来の地盤掘削、埋め戻し
という作業を施工工程から削除し、工期の短縮化、低コ
スト化を図るとともに、地上から作業する場合の障害を
解消することを可能にする。In the present invention, a part of the shaft at the foundation construction position is formed, this is used as a work space, and the conventional ground excavation work and backfilling work are carried out by directly excavating the ground horizontally from the bottom of the construction process It will be possible to eliminate it, shorten the construction period, reduce costs, and eliminate obstacles when working from the ground.
地中の掘進は基礎の型枠を兼ねる中空のプレキャストブ
ロックを用いて行われ、その内部から地盤を掘削しなが
らプレキャストブロックを地中に圧入し、目標の基礎構
築位置に配置した後、プレキャストブロック内より杭孔
を削孔し、杭孔内にコンクリートを打設して基礎杭を造
成し、次いでプレキャストブロック内部にコンクリート
を打設して基礎を構築する。Underground excavation is performed using a hollow precast block that doubles as a formwork for the foundation.The precast block is press-fitted into the ground while excavating the ground from the inside and placed at the target foundation construction position, then the precast block. Pile holes will be drilled from the inside, concrete will be placed in the pile holes to create foundation piles, and then concrete will be placed inside the precast block to construct the foundation.
以下この発明を一実施例を示す図面に基づいて説明す
る。The present invention will be described below with reference to the drawings illustrating an embodiment.
この発明は基礎Ａ構築位置の一部に立杭１を形成し、そ
の底部からプレキャストブロック２（以下ブロック２）
を用い、地盤を水平に掘進して基礎Ａを構築する方法で
ある。In this invention, a standing pile 1 is formed at a part of the foundation A construction position, and a precast block 2 (hereinafter referred to as block 2) is formed from the bottom thereof.
Is a method of constructing a foundation A by horizontally excavating the ground.
第１図に従って施工手順を説明する。この実施例は地上
に既設構造物Ｂが建っている場合の施工例であるが、地
上に占めるスペースは立１１の面積だけであるため既設
構造物Ｂには影響をおよぼすことなく工事は遂行され
る。The construction procedure will be described with reference to FIG. This example is a construction example in which the existing structure B is built on the ground, but since the space occupying the ground is only the area of the stand 11, the construction is carried out without affecting the existing structure B. It
まず所定の深度まで地盤を鉛直に掘進し、ブロック２発
進用の立杭１を形成する（Ｉ）。立杭１の面積、形状は
基礎Ａを構成するブロック２の規模により決定され、そ
の施工は深礎工法、開削工法等により行われる。First, the ground is dug vertically to a predetermined depth to form the standing pile 1 for starting the block 2 (I). The area and shape of the standing pile 1 are determined by the scale of the block 2 constituting the foundation A, and the construction is performed by the deep foundation method, the excavation method or the like.
立杭１の掘削土を排出した後、第２図−Ｉ、IIに例示す
る形状の、水平方向に中空部２ａが設けられてあるブロ
ック２を立杭１の底部まで搬入し、ブロック２の中空部
２ａ内の土を掘削しながら油圧ジャッキ等を用いてブロ
ック２を地中に水平方向に圧入し、目標の位置に配置し
ていく（II）。ブロック２はコンクリート製、鋼製の
他、スチーチ、ダクタイル等により製作され、その肉厚
は型枠としての利用のため土圧に抵抗できる程度の大き
さがあればよい。After the excavated soil of the vertical pile 1 is discharged, the block 2 having the shape shown in FIGS. While excavating the soil in the hollow portion 2a, the block 2 is horizontally pressed into the ground using a hydraulic jack or the like, and is placed at a target position (II). The block 2 is made of concrete, steel, steel, ductile, or the like, and the wall thickness may be large enough to withstand earth pressure for use as a formwork.
以上のIIの作業を繰り返し、ブロック２を基礎Ａ構築位
置に配置した後（III）、ブロック２の中空部２ａにコ
ンクリートを打設して第３図−Ｉ、IIに示すような配置
状態の基礎Ａを構築する。The above work of II is repeated to place the block 2 at the foundation A construction position (III), and then concrete is placed in the hollow portion 2a of the block 2 so that the placement state shown in FIGS. Build Foundation A.
さらにコンクリートの打設に先立って第５図に示すよう
にブロック２の底面にカッターや高水圧を利用したジェ
ット等により必要な大きさの穴が明けられる。そして図
示するようにブロック２内に搬入された掘削機４によっ
て杭位置を掘削する。Further, prior to the concrete pouring, as shown in FIG. 5, a hole of a required size is made in the bottom surface of the block 2 by a cutter or a jet utilizing high water pressure. Then, as shown in the figure, the pile position is excavated by the excavator 4 carried into the block 2.
掘削後削孔内にコンクリートを打設して杭５を形成した
後、なお構造上必要に応じて第４図に示すようにブロッ
ク２の中空部２ａに鉄筋３を配筋し、また基礎Ａ下の支
持地盤の補強が必要な場合には状況に応じて地盤改良等
の処理を施す。After excavation, concrete is placed in the drilled hole to form the piles 5, and then the reinforcing bars 3 are laid in the hollow portion 2a of the block 2 as required in the structure as shown in FIG. If it is necessary to reinforce the underlying support ground, the ground will be improved depending on the situation.
さらに立杭１を利用して上部構造物の構築が行われる
（Ｖ）。Further, the standing structure 1 is used to construct an upper structure (V).
この発明は以上の通りであり、立杭を利用して中空のブ
ロックにより直接地中を掘進して基礎を構築するもので
あり、中空部より地盤を掘削し、単にブロックを地中に
圧入し、ブロック内より削孔して基礎杭の造成作業が行
えるので施工が非常に簡素化され、工期の短縮化、低コ
スト化を実現することができる。The present invention is as described above, in which a hollow block is used to directly dig into the ground to construct a foundation, and the ground is excavated from the hollow portion, and the block is simply pressed into the ground. Since the holes can be drilled from inside the block to create the foundation pile, the construction can be greatly simplified, the construction period can be shortened, and the cost can be reduced.
また地上に大きな作業スペースを確保できない場合や既
設構造物が建っている場合でも容易に、構造物の移設、
撤去を要せずに施工を遂行することができ、そのために
任意の配置状態の基礎を形成することが可能である。In addition, even if you cannot secure a large work space on the ground or if you have an existing structure, you can easily move the structure,
The construction can be carried out without the need for removal and for this reason it is possible to form a foundation in any arrangement.
第１図−Ｉ〜Ｖは本発明の施工手順を示した概要図、第
２図−Ｉ、IIはブロックの製作例を示した斜視図、第３
図−Ｉ、IIは基礎の配置例を示した平面図、第４図は配
筋状態を示した斜視図、第５図は杭の施工の様子を示し
た概要図である。 Ａ……基礎、Ｂ……既設構造物、１……立杭、２……プ
レキャストブロック、２ａ……中空部、３……鉄筋、４
……掘削機、５……杭。FIGS. 1-I to V are schematic views showing the construction procedure of the present invention, FIGS. 2-I and II are perspective views showing an example of manufacturing blocks, and FIG.
FIGS. I and II are plan views showing an example of arrangement of the foundation, FIG. 4 is a perspective view showing a reinforcing bar arrangement, and FIG. 5 is a schematic view showing how piles are constructed. A ... Foundation, B ... Existing structure, 1 ... Pile, 2 ... Precast block, 2a ... Hollow part, 3 ... Reinforcing bar, 4
…… Excavator, 5 …… Pile.
Claims (1)
鉛直に掘削して立坑を形成した後、立坑底部まで中空の
プレキャストブロックを搬入し、このプレキャストブロ
ック内より地盤を水平方向に掘進しながらこれを地中に
圧入するという作業を繰り返してプレキャストブロック
を目標の基礎位置に配置し、プレキャストブロック内よ
り杭孔を削孔し、杭孔内にコンクリートを打設して基礎
杭を造成し、次いでプレキャストブロックの内部にコン
クリートを打設して基礎を形成する基礎の構築方法。1. A vertical precast block is formed by vertically excavating a part of the ground at a foundation construction position to a predetermined depth, and then a hollow precast block is carried to the bottom of the vertical shaft, and the ground is excavated horizontally from inside the precast block. However, by repeating the work of press-fitting this into the ground, the precast block is placed at the target foundation position, the pile hole is drilled from within the precast block, and concrete is placed in the pile hole to form the foundation pile. Then, a method of constructing a foundation by placing concrete inside the precast block to form the foundation.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP62155937A JPH0654015B2 (en) | 1987-06-23 | 1987-06-23 | How to build the foundation |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP62155937A JPH0654015B2 (en) | 1987-06-23 | 1987-06-23 | How to build the foundation |
Publications (3)
| Publication Number | Publication Date |
|---|---|
| JPS641829A JPS641829A (en) | 1989-01-06 |
| JPH011829A JPH011829A (en) | 1989-01-06 |
| JPH0654015B2 true JPH0654015B2 (en) | 1994-07-20 |
Family
ID=15616776
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP62155937A Expired - Lifetime JPH0654015B2 (en) | 1987-06-23 | 1987-06-23 | How to build the foundation |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0654015B2 (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP3523705B2 (en) * | 1995-03-16 | 2004-04-26 | オリンパス株式会社 | Information reproduction system |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS4839964A (en) * | 1971-09-11 | 1973-06-12 |
-
1987
- 1987-06-23 JP JP62155937A patent/JPH0654015B2/en not_active Expired - Lifetime
Also Published As
| Publication number | Publication date |
|---|---|
| JPS641829A (en) | 1989-01-06 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| EXPY | Cancellation because of completion of term |