JPH02101225A - Foundation construction for structure - Google Patents

Foundation construction for structure

Info

Publication number
JPH02101225A
JPH02101225A JP25041688A JP25041688A JPH02101225A JP H02101225 A JPH02101225 A JP H02101225A JP 25041688 A JP25041688 A JP 25041688A JP 25041688 A JP25041688 A JP 25041688A JP H02101225 A JPH02101225 A JP H02101225A
Authority
JP
Japan
Prior art keywords
foundation
ground
foundation piles
base board
support
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.)
Granted
Application number
JP25041688A
Other languages
Japanese (ja)
Other versions
JPH0784745B2 (en
Inventor
Goro Moriguchi
森口 五郎
Tadayoshi Onuma
大沼 忠義
Junichi Nakayama
中山 准一
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
ASANUMAGUMI KK
Original Assignee
ASANUMAGUMI KK
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by ASANUMAGUMI KK filed Critical ASANUMAGUMI KK
Priority to JP63250416A priority Critical patent/JPH0784745B2/en
Publication of JPH02101225A publication Critical patent/JPH02101225A/en
Publication of JPH0784745B2 publication Critical patent/JPH0784745B2/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Abstract

PURPOSE:To shorten the construction period by providing foundation piles in a line along the longitudinal direction of a structure and forming fitting sections between pile heads and the structure in a hinge configuration. CONSTITUTION:A structure 2 serving as a retaining wall to retain the banking or excavation is constructed on the ground, and a support wall 5 is erected on a base board 4 as a concrete configuration. Foundation piles 6 are driven in a line along the longitudinal direction of the structure 2 at the low positions of the ground 1 to support the structure 2. Pile heads of the foundation piles 6 are arranged so as to support the lower section of the base board 4 near the support wall 5 directly below the base board 4 of the structure 2, and fitting portions of the structure 2 are connected with a hinge configuration 7. A reaction force against the ground 1 is generated on the lower face of the base board 4, the vertical load applied to the foundation piles is mitigated, thus the scale of the foundation configuration can be decreased.

Description

【発明の詳細な説明】 〔産業上の利用分野〕 この発明は、構造物の基礎工法、更に詳しくは擁壁の如
きコンクリート構造物を基礎杭によって支持する構造物
の基礎工法に関するものである。
DETAILED DESCRIPTION OF THE INVENTION [Field of Industrial Application] The present invention relates to a foundation construction method for a structure, and more particularly to a foundation construction method for a structure in which a concrete structure such as a retaining wall is supported by foundation piles.

〔従来の技術〕[Conventional technology]

例えば19壁の如き土留構造物の基礎構造は、構造物を
構築する地盤に基礎杭を打設し、構造物をこの基礎杭に
よって支持するようになっている。
For example, the foundation structure of an earth retaining structure such as 19-wall is such that foundation piles are driven into the ground on which the structure is built, and the structure is supported by the foundation piles.

従来、上記基礎杭は、構造物に作用する外力、自重等を
すべて杭で負担するものとして設計され、従って安定性
を良(するため基礎杭は2列以上を打設し、またクラッ
ク等の防止のため、杭頭部は剛結合して杭頭モーメント
に抵抗できる構造が採用されている。
Conventionally, the foundation piles mentioned above were designed to bear all the external forces acting on the structure, their own weight, etc., and therefore had good stability. To prevent this, a structure is adopted in which the pile head is rigidly connected to resist the pile head moment.

〔発明が解決しようとする課題〕[Problem to be solved by the invention]

ところで、上記のような従来の基礎構造は、使用する杭
の本数が非常に多くなり、工費についても基礎工事の占
める割合が大きくなるという問題がある。
However, in the conventional foundation structure as described above, there is a problem in that the number of piles used is extremely large, and the proportion of the construction cost for the foundation work is also large.

この発明の課題は、上記のような問題点を解決するため
、構造物の安定を損なうことなく基礎杭の規模を小さ(
することができ、工期の短縮とコストダウンを図ること
ができる構造物の基礎工法を提供することにある。
The purpose of this invention is to reduce the size of foundation piles without compromising the stability of the structure, in order to solve the above problems.
The object of the present invention is to provide a foundation construction method for structures that can shorten the construction period and reduce costs.

〔課題を解決するための手段〕[Means to solve the problem]

上記のような課題を解決するため、この発明は構造物の
長手方向に基礎杭を一列に設け、各杭頭と構造物の取付
は部をヒンジ構造とする構成としたものである。
In order to solve the above-mentioned problems, the present invention provides a structure in which foundation piles are provided in a row in the longitudinal direction of a structure, and each pile cap and the structure are attached using a hinge structure.

〔作用〕[Effect]

構造物を構築する地盤に対して基礎杭を、構造物の長手
方向に沿って、しかも地盤の低い側の位置に一列の配置
で打設し、構築した構造物と各杭頭をヒンジ構造で結合
して構造物を支持すると、構造物は地盤の高い側にもた
れる状態となって安定し、また構造物の底版下面には地
盤反力を生じ、基礎杭の鉛直荷重の負担を軽減する。
The foundation piles are driven into the ground where the structure will be built in a row along the length of the structure and at the lower side of the ground. When the structure is connected and supported, the structure rests against the higher side of the ground, making it stable, and also generates a ground reaction force on the bottom of the structure's bottom slab, reducing the vertical load on the foundation piles.

〔実施例〕〔Example〕

以下、この発明の実施例を添付図面に基づいて説明する
Embodiments of the present invention will be described below with reference to the accompanying drawings.

図示のように、地盤1上に構築される構造物2は、盛土
3や切土などを土留する擁壁であり、底版4上に支持壁
5を立設したコンクリート構造になっている。
As shown in the figure, the structure 2 built on the ground 1 is a retaining wall for retaining embankment 3, cut earth, etc., and has a concrete structure in which a support wall 5 is erected on a bottom slab 4.

上記構造物2を支持するため地盤1に打設した基礎杭6
は、地盤1の低い側の位置において、構造物2の長手方
向に沿って一列に配置されている。
Foundation piles 6 driven into the ground 1 to support the structure 2 above
are arranged in a line along the longitudinal direction of the structure 2 at a position on the lower side of the ground 1.

従って、各基礎杭6の杭頭は、構造物2の底版4の直下
において、支持壁5寄りの下部を支持するように配置さ
れ、各杭頭と構造物2の取付は部分がヒンジ構造7によ
って結合されている。
Therefore, the pile cap of each foundation pile 6 is arranged directly under the bottom slab 4 of the structure 2 so as to support the lower part near the support wall 5, and the attachment of each pile cap and the structure 2 is partially hinged to the hinge structure 7. are connected by.

上記ヒンジ構造7は、種々の構造を採用することができ
、図面はそのいくつかの例を示している。
The hinge structure 7 can adopt various structures, and the drawings show some examples thereof.

第1図に示ずヒンジ構造7の第1の例は、構造物2の長
手方向と直角の方向に折れ曲がりが可能となるジヨイン
ト8を用いている。
A first example of the hinge structure 7, not shown in FIG. 1, uses a joint 8 that can be bent in a direction perpendicular to the longitudinal direction of the structure 2.

第2図に示す第2の例は、構造物2の底版4における下
面に突起Sを設け、底版4と突起9のコーナ部分に当て
仮10を介して杭頭の上端を当接させた構造になってい
る。
The second example shown in FIG. 2 is a structure in which a protrusion S is provided on the lower surface of the bottom plate 4 of the structure 2, and the upper end of the pile head is brought into contact with the corner portion of the bottom plate 4 and the protrusion 9 via a temporary contact 10. It has become.

第3図に示す第3 の例は、基礎杭6の頭部を球頭部6
aに形成し、底版4の下面に球状凹部11を設け、当て
板12を介して上記球頭部6aを球状凹部11に嵌合さ
せた構造になっている。
In the third example shown in Fig. 3, the head of the foundation pile 6 is replaced with a ball head 6.
a, a spherical recess 11 is provided on the lower surface of the bottom plate 4, and the spherical head 6a is fitted into the spherical recess 11 via a backing plate 12.

第4図に示す第4の例は、杭頭と構造物2を鉄筋(メナ
ーゼヒンジ)13で結合した構造を示している。
The fourth example shown in FIG. 4 shows a structure in which the pile cap and the structure 2 are connected by reinforcing bars (menase hinge) 13.

このように、ヒンジ構造7は、ヒンジの役割を果すもの
であればよく、例えば基礎杭6の上端に構造物2を載せ
るだけでもよい。
In this way, the hinge structure 7 may be any structure as long as it plays the role of a hinge, and for example, the structure 2 may simply be placed on the upper end of the foundation pile 6.

一列に打設した基礎杭6によって支持された構造物2は
、ヒンジ構造7によって地盤1の低い側が支点になり、
構造物2は地盤1の高い側にもたれる状態となって安定
し、盛土3や切土などの土を支える。
The structure 2 supported by the foundation piles 6 driven in a row has the low side of the ground 1 as a fulcrum by the hinge structure 7,
The structure 2 is stabilized by leaning against the higher side of the ground 1, and supports the earth such as the embankment 3 and cut earth.

これによって、構造物2の底版4の下面に地盤反力を生
じ、基礎杭6に作用する鉛直荷重の負担を軽減すること
ができる。
Thereby, a ground reaction force is generated on the lower surface of the bottom slab 4 of the structure 2, and the burden of the vertical load acting on the foundation pile 6 can be reduced.

〔発明の効果〕〔Effect of the invention〕

以上のように、この発明によると、基礎杭とその上に構
築した構造物との取付部分をヒンジ構造としたので、土
圧を受ける構造物の底版下面がヒンジ構造を支点として
地盤に圧着し、底版下面に地盤反力を生じ、基礎杭に作
用する鉛直荷重が軽減され、基礎構造の規模が小さくで
きる。
As described above, according to the present invention, since the attachment part between the foundation pile and the structure built thereon is a hinge structure, the lower surface of the bottom slab of the structure that is subjected to earth pressure is pressed to the ground using the hinge structure as a fulcrum. , a ground reaction force is generated on the bottom surface of the bottom slab, the vertical load acting on the foundation pile is reduced, and the scale of the foundation structure can be reduced.

また、基礎杭を一列に打設して配置するので測量が容易
となり、杭木数の削減により、コストダウン及び工期短
縮が図れる。
Additionally, since the foundation piles are driven and arranged in a row, surveying becomes easier, and by reducing the number of piles, it is possible to reduce costs and shorten the construction period.

【図面の簡単な説明】[Brief explanation of drawings]

第1図はこの発明に係る基礎工法の施工例を示す縦断面
図、第2図乃至第4図の各々は同上におけるヒンジ構造
の異なった例を示す縦断面図であ1・・・・・・地盤、 4・・・・・・底版、 6・・・・・・基礎杭、
Fig. 1 is a longitudinal cross-sectional view showing an example of the foundation construction method according to the present invention, and Figs. 2 to 4 are longitudinal cross-sectional views showing different examples of the hinge structure in the above.・Soil, 4...Bottom slab, 6...Foundation pile,

Claims (1)

【特許請求の範囲】[Claims] (1)構造物の長手方向に基礎杭を一列に設け、各杭頭
と構造物の取付け部をヒンジ構造とする構造物の基礎工
法。
(1) A method of foundation construction for a structure in which foundation piles are arranged in a row in the longitudinal direction of the structure, and each pile cap and the attachment part of the structure have a hinge structure.
JP63250416A 1988-10-04 1988-10-04 Basic construction method for structures Expired - Fee Related JPH0784745B2 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP63250416A JPH0784745B2 (en) 1988-10-04 1988-10-04 Basic construction method for structures

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP63250416A JPH0784745B2 (en) 1988-10-04 1988-10-04 Basic construction method for structures

Publications (2)

Publication Number Publication Date
JPH02101225A true JPH02101225A (en) 1990-04-13
JPH0784745B2 JPH0784745B2 (en) 1995-09-13

Family

ID=17207563

Family Applications (1)

Application Number Title Priority Date Filing Date
JP63250416A Expired - Fee Related JPH0784745B2 (en) 1988-10-04 1988-10-04 Basic construction method for structures

Country Status (1)

Country Link
JP (1) JPH0784745B2 (en)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20140133911A1 (en) * 2012-11-14 2014-05-15 The Chugoku Electric Power Co., Inc. Tsunami Breakwater Wall of Retaining Wall Structure Supported By Steel Pipe Piles and Its Construction Method
JP2016515173A (en) * 2013-03-15 2016-05-26 ユーティリティ コンクリート プロダクツ,エルエルシー Precast concrete retaining wall
JP2017179751A (en) * 2016-03-28 2017-10-05 旭化成ホームズ株式会社 Foundation structure and building
CN112779853A (en) * 2019-11-07 2021-05-11 中冶京诚工程技术有限公司 Abutment and design and construction method thereof

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS57161226A (en) * 1981-03-30 1982-10-04 Shimizu Constr Co Ltd Joint structure for pile head and footing

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS57161226A (en) * 1981-03-30 1982-10-04 Shimizu Constr Co Ltd Joint structure for pile head and footing

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20140133911A1 (en) * 2012-11-14 2014-05-15 The Chugoku Electric Power Co., Inc. Tsunami Breakwater Wall of Retaining Wall Structure Supported By Steel Pipe Piles and Its Construction Method
US9574313B2 (en) * 2012-11-14 2017-02-21 The Chugoku Electric Power Co., Inc. Tsunami breakwater wall of retaining wall structure supported by steel pipe piles and its construction method
JP2016515173A (en) * 2013-03-15 2016-05-26 ユーティリティ コンクリート プロダクツ,エルエルシー Precast concrete retaining wall
JP2017179751A (en) * 2016-03-28 2017-10-05 旭化成ホームズ株式会社 Foundation structure and building
CN112779853A (en) * 2019-11-07 2021-05-11 中冶京诚工程技术有限公司 Abutment and design and construction method thereof

Also Published As

Publication number Publication date
JPH0784745B2 (en) 1995-09-13

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