JP2684961B2 - How to build a building basement wall - Google Patents
How to build a building basement wallInfo
- Publication number
- JP2684961B2 JP2684961B2 JP5166644A JP16664493A JP2684961B2 JP 2684961 B2 JP2684961 B2 JP 2684961B2 JP 5166644 A JP5166644 A JP 5166644A JP 16664493 A JP16664493 A JP 16664493A JP 2684961 B2 JP2684961 B2 JP 2684961B2
- Authority
- JP
- Japan
- Prior art keywords
- wall
- building
- basement
- floor
- shear connector
- 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
- Underground Structures, Protecting, Testing And Restoring Foundations (AREA)
Description
【０００１】[0001]
【産業上の利用分野】本発明は、建物地下壁の構築方法
に関する。BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a method for constructing a basement wall of a building.
【０００２】[0002]
【従来の技術】建物地下壁を構築するには、まず、計画
建物の地下壁の外側に土圧や水圧などの側圧に抵抗する
山止め壁を設置した後、その内部を掘削して構築するの
が一般的である。そして、仮設の山止め壁の構築法とし
てはＨ形鋼横矢板を使用するＨ形鋼横矢板工法や土を固
化材で円柱状に固めた中にＨ形鋼を芯材として挿入する
Ｈ形鋼ソイルモルタル柱列壁工法などが一般的である。2. Description of the Related Art In order to construct a basement wall of a building, first, an earth retaining wall that resists lateral pressure such as earth pressure and water pressure is installed on the outside of the basement wall of the planned building, and then the interior is excavated. Is common. As a method of constructing a temporary mountain retaining wall, an H-shaped steel horizontal sheet pile construction method using an H-shaped steel horizontal sheet pile or an H-shaped steel in which the H-shaped steel is inserted as a core material while the soil is solidified into a column Steel-soil mortar column wall construction method is common.
【０００３】最近、折角構築した山止め壁を本設建物に
利用する方法が試みられている。（特開平４−１６１６
１７号公報参照）この方法は、図３（ａ）に示すように
Ｈ形鋼ソイルモルタル柱列壁の芯材であるＨ形鋼１の本
設建物側表面全面にシアーコネクター３を設けておき、
鉄筋を配置してコンクリートを打設することにより、鉄
筋コンクリート壁２と山止め壁とを一体化して合成壁と
しての建物地下壁を構築するものである。また、山止め
壁の構築法としてＨ形鋼横矢板工法を採用した場合は図
３（ｂ）に示すようにＨ形鋼１の本設建物側表面全面に
シアーコネクター３を設けておき、鉄筋を配置してコン
クリートを打設することにより、鉄筋コンクリート壁２
と山止め壁とを一体化した建物地下壁を構築することが
考えられる。Recently, attempts have been made to utilize a mountain retaining wall constructed in a corner structure in a permanent building. (JP-A-4-1616
In this method, as shown in FIG. 3 (a), the shear connector 3 is provided on the entire surface of the H-shaped steel 1 which is the core of the H-shaped steel soil mortar column wall on the main building side surface. ,
By arranging the reinforcing bars and placing concrete, the reinforced concrete wall 2 and the mountain retaining wall are integrated to construct a building basement wall as a composite wall. Further, when the H-section steel horizontal sheet pile construction method is adopted as the construction method of the mountain retaining wall, the shear connector 3 is provided on the entire surface of the H-section steel 1 on the main building side as shown in FIG. Reinforced concrete wall 2 by placing and placing concrete
It is conceivable to construct a basement wall of the building that integrates the mountain and the retaining wall.
【０００４】[0004]
【発明が解決しようとする課題】従来の山止め壁中の鉄
骨材を利用して合成壁としての建物地下壁を構築する方
法では、鉄骨材が山止め壁の一部材として作用している
場合の応力は、合成壁の一部材として作用する場合には
当然変化するが、鉄骨材は全面的に鉄筋コンクリート壁
と一体化されているため、その応力がどのように変化す
るかを算定することは理論的にも技術的にも非常に難し
い。このため、合成壁の設計、ひいては山止め壁、鉄筋
コンクリート壁の設計が非常に難かしくなる。SUMMARY OF THE INVENTION In the conventional method of constructing a building basement wall as a composite wall by using the steel aggregate in the earth retaining wall, when the steel aggregate acts as one member of the earth retaining wall. The stress of changes naturally when acting as a member of a synthetic wall, but since the steel aggregate is entirely integrated with the reinforced concrete wall, it is not possible to calculate how the stress changes. Very difficult theoretically and technically. For this reason, it becomes very difficult to design the composite wall, and eventually the retaining wall and the reinforced concrete wall.
【０００５】また、合成壁に水圧が加わると場所により
シアーコネクターに引張り力が発生し、錆発生の原因と
なるばかりでなく、力学上も好ましくない。Further, when water pressure is applied to the synthetic wall, a tensile force is generated in the shear connector depending on the location, which causes not only rust but also mechanically unfavorable.
【０００６】本発明は、山止め壁の土圧や水圧などの側
圧に抵抗するという点を継承しながら、応力変化の算定
を単純化して合成壁の設計を容易にし、シアーコネクタ
ーに引張り力を発生させない、建物地下壁の構築方法を
提供するものである。The present invention succeeds in resisting lateral pressure such as earth pressure and water pressure of the mountain retaining wall, simplifies the calculation of stress change, facilitates the design of the composite wall, and applies a tensile force to the shear connector. It is intended to provide a method of constructing a basement wall of a building that does not generate it.
【０００７】[0007]
【課題を解決するための手段】本発明は、既設の山止め
壁中の鉄骨材の建物側表面にシアーコネクターを設け、
鉄筋を配置してコンクリートを打設することにより合成
壁として建物地下壁を構築する方法において、建物地下
階の床部分に対面する鉄骨材の表面にのみシアーコネク
ターを設け、その他の部分の表面には離間材を設けるこ
とを特徴とする建物地下壁の構築方法である。According to the present invention, a shear connector is provided on a building-side surface of an iron aggregate in an existing mountain retaining wall,
In the method of constructing a building basement wall as a composite wall by placing reinforcing bars and placing concrete, a shear connector is provided only on the surface of the steel aggregate facing the floor of the basement floor of the building, and on the surface of the other parts. Is a method of constructing a basement wall of a building, which is characterized by providing a separating material.
【０００８】本発明においては、外側に構築された山止
め壁と内側に構築された鉄筋コンクリート壁とは床部分
でのみ一体化して連成壁を構成しているので、土圧や水
圧などの側圧には山止め壁で抵抗し、鉄筋コンクリート
壁は山止め壁から浸透した水圧や地震や風力などによる
水平力に抵抗すればよいことになる。従って、応力の分
担が単純化し、設計は容易となる。さらに、鉄筋コンク
リート壁は山止め壁の鉄骨材と床部分でのみ一体化して
いるので、その部分に設置するシアーコネクターに引張
り力を発生させることはなく、シアーコネクターの錆発
生の原因を除去することができる。また、山止め壁と独
立した地下壁として鉄筋コンクリート壁を構築する場合
と比較して、鉄筋コンクリート壁の分担する応力は小さ
くなり、鉄筋コンクリート壁の厚さを小さくでき、鉄筋
量も節減できる。特に、壁部分においては補強用の鉄筋
を省略できる場合もある。In the present invention, since the earth retaining wall constructed on the outside and the reinforced concrete wall constructed on the inside are integrated only in the floor portion to form a coupled wall, lateral pressure such as earth pressure or water pressure is applied. The reinforced concrete wall should resist the horizontal force such as water pressure and earthquake or wind force that has penetrated from the cliff wall. Therefore, the sharing of stress is simplified and the design becomes easier. Furthermore, since the reinforced concrete wall is integrated with the steel aggregate of the mountain retaining wall only at the floor part, it does not generate tensile force on the shear connector installed in that part, and eliminate the cause of rust generation of the shear connector. You can Further, compared with the case of constructing a reinforced concrete wall as an underground wall independent of a mountain stop wall, the stress shared by the reinforced concrete wall becomes smaller, the thickness of the reinforced concrete wall can be made smaller, and the amount of reinforcing bars can be reduced. Especially, in some cases, reinforcing bars may be omitted in the wall portion.
【０００９】[0009]
【実施例】以下図面を参照しながら本発明を説明する。DESCRIPTION OF THE PREFERRED EMBODIMENTS The present invention will be described below with reference to the drawings.
【００１０】図１は本発明で構築した建物地下壁を示す
もので、（ａ）は縦断面図、（ｂ）は（ａ）のＡ−Ａ矢
視図、（ｃ）は（ａ）のＢ−Ｂ矢視図である。FIG. 1 shows a building underground wall constructed according to the present invention. (A) is a longitudinal sectional view, (b) is a view taken along the line AA of (a), and (c) is (a). It is a BB arrow line view.
【００１１】Ｈ形鋼ソイルモルタル柱列壁工法で所定の
場所にＨ形鋼ソイルモルタル柱列壁を構築して敷地を締
め切る。Ｈ形鋼ソイルモルタル柱列壁の内側を掘削し、
Ｈ形鋼ソイルモルタル柱列壁内側のソイル部分を切削し
てＨ形鋼１の表面を露出させる。Ｈ形鋼１の表面の内、
建物地下階の床部分に対面する箇所には必要数のシアー
コネクター３を溶接し、その他の箇所（壁部分に対面す
る箇所）には、離間材５を接着する。離間材５としては
軟質ゴム板や発泡スチレン板のような弾性体が使用され
る。シアーコネクター３としては図２に示すように通常
のものが使用される。柱列壁内側に鉄筋を配列し、通常
の壁型枠および床型枠を組立ててコンクリートを打設
し、硬化後、壁型枠および床型枠を撤去して、建物の地
下壁部分２および建物地下階の床部分４を構築する。地
下壁部分２は中間に離間材５を挟んでＨ形鋼１に接触
し、地下階の床部分４はシアーコネクター３により、Ｈ
形鋼１に一体化している。このため、Ｈ形鋼１に加わる
力は地下壁部分２には直接は伝達されない。The H-shaped steel soil mortar column wall is constructed at a predetermined place by the H-shaped steel soil mortar column wall construction method, and the site is closed. Excavating the inside of the H-section steel soil mortar column wall,
H-shaped steel soil The soil portion inside the column wall of the mortar is cut to expose the surface of the H-shaped steel 1. Of the surface of H-section steel 1,
The necessary number of shear connectors 3 are welded to the location facing the floor of the basement floor of the building, and the spacer 5 is bonded to the other locations (locations facing the wall). As the spacing member 5, an elastic body such as a soft rubber plate or a foamed styrene plate is used. As the shear connector 3, a normal one is used as shown in FIG. Reinforcing bars are arranged on the inside of the pillar row wall, ordinary wall form and floor form are assembled, concrete is poured, and after hardening, the wall form and floor form are removed, and the basement wall part 2 and Build the floor part 4 of the basement floor of the building. The basement wall part 2 is in contact with the H-shaped steel 1 with the spacer 5 interposed therebetween, and the floor part 4 of the basement floor is H-shaped by the shear connector 3.
It is integrated with shaped steel 1. Therefore, the force applied to the H-section steel 1 is not directly transmitted to the underground wall portion 2.
【００１２】図１では山止め壁を構築する工法としてＨ
形鋼ソイルモルタル柱列壁工法を採用した例を示した
が、Ｈ形鋼横矢板工法によって山止め壁を構築した場合
も全く同様にして山止め壁と鉄筋コンクリート壁との連
成壁が構築される。ただし、この場合は柱列壁内側のソ
イルモルタル部分を切削する工程はなく、掘削して露出
したＨ形鋼１の表面を清掃すればよい。また、本発明で
は鉄骨材として、Ｈ形鋼のみでなく、Ｔ形、Ｌ形、溝形
のものも使用される。In FIG. 1, H is used as a construction method for constructing the mountain retaining wall.
Although an example of adopting the section steel soil mortar column wall construction method is shown, when a mountain stop wall is constructed by the H-section steel horizontal sheet pile construction method, the compound wall of the mountain stop wall and the reinforced concrete wall is constructed in exactly the same manner. It However, in this case, there is no step of cutting the soil mortar portion inside the column wall, and the surface of the H-section steel 1 exposed by excavation may be cleaned. Further, in the present invention, not only H-shaped steel but also T-shaped, L-shaped, and groove-shaped steel is used as the steel aggregate.
【００１３】[0013]
【発明の効果】外側に構築された山止め壁と内側に構築
された鉄筋コンクリート壁とは床部分でのみ一体化して
連成壁を構成しているので、山止め壁と鉄筋コンクリー
ト壁との応力の分担が単純化し、設計が容易となる。さ
らに、鉄筋コンクリート壁は山止め壁の鉄骨材と床部分
でのみ一体化しているので、その部分に設置するシアー
コネクターに引張り力を発生させることはなく、シアー
コネクターの錆発生の原因を除去することができる。[Effects of the Invention] Since the earth retaining wall constructed on the outer side and the reinforced concrete wall constructed on the inner side are integrated only in the floor portion to form a coupled wall, the stress between the mountain retaining wall and the reinforced concrete wall is reduced. The sharing becomes simple and the design becomes easy. Furthermore, since the reinforced concrete wall is integrated with the steel aggregate of the mountain retaining wall only at the floor part, it does not generate tensile force on the shear connector installed in that part, and eliminate the cause of rust generation of the shear connector. You can
【図１】本発明で構築した建物地下壁を示すもので、
（ａ）は縦断面図、（ｂ）は（ａ）のＡ−Ａ矢視図、
（ｃ）は（ａ）のＢ−Ｂ矢視図である。FIG. 1 shows a building basement wall constructed according to the present invention,
(A) is a longitudinal sectional view, (b) is a view taken along the line AA of (a),
(C) is a BB arrow view of (a).
【図２】本発明で使用されるシアーコネクターを示す斜
視図である。FIG. 2 is a perspective view showing a shear connector used in the present invention.
【図３】山止め壁の芯材であるＨ形鋼を利用して従来の
構築法で建物地下壁を構築した建物地下壁を示す平断面
図で、（ａ）はＨ形鋼ソイルモルタル柱列壁工法による
もの、（ｂ）はＨ形鋼横矢板工法によるものである。[Fig. 3] Fig. 3 is a plan sectional view showing a building basement wall in which a building basement wall is constructed by a conventional construction method using H-section steel as a core material of a mountain retaining wall, and (a) is an H-section steel soil mortar column. The row wall method is used, and (b) is the H-shaped steel horizontal sheet pile method.
１・・Ｈ形鋼、２・・建物地下壁部分、３・・シアーコ
ネクター、４・・建物床部分、５・・離間材1 ... H-section steel, 2 ... Building basement wall part, 3 ... Shear connector, 4 ... Building floor part, 5 ... Separating material
───────────────────────────────────────────────────── フロントページの続き (72)発明者 中村 達也 東京都港区元赤坂１丁目３番８号 鹿島 建設株式会社東京支店内 (72)発明者 菊田 次郎 東京都港区元赤坂１丁目３番８号 鹿島 建設株式会社東京支店内 (56)参考文献 特開 平４−80430（ＪＰ，Ａ) 特開 平４−161616（ＪＰ，Ａ) 特開 平４−131428（ＪＰ，Ａ) ─────────────────────────────────────────────────── ─── Continuation of the front page (72) Inventor Tatsuya Nakamura 1-3-8 Moto-Akasaka, Minato-ku, Tokyo Kashima Construction Co., Ltd. Tokyo Branch (72) Inventor Jiro Kikuta 1-3-3 Moto-Akasaka, Minato-ku, Tokyo No. 8 Kashima Construction Co., Ltd. Tokyo Branch (56) References JP-A-4-80430 (JP, A) JP-A-4-161616 (JP, A) JP-A-4-131428 (JP, A)
Claims (1)
にシアーコネクターを設け、鉄筋を配置してコンクリー
トを打設することにより合成壁として建物地下壁を構築
する方法において、建物地下階の床部分に対面する鉄骨
材の表面にのみシアーコネクターを設け、その他の部分
の表面には離間材を設けることを特徴とする建物地下壁
の構築方法1. A method for constructing a building basement wall as a composite wall by providing a shear connector on the building-side surface of a steel aggregate in an existing mountain retaining wall, arranging reinforcing bars and placing concrete in the building basement. A method for constructing a building basement wall, characterized in that a shear connector is provided only on the surface of the steel aggregate facing the floor of the floor, and a spacer is provided on the surface of the other parts.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP5166644A JP2684961B2 (en) | 1993-07-06 | 1993-07-06 | How to build a building basement wall |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP5166644A JP2684961B2 (en) | 1993-07-06 | 1993-07-06 | How to build a building basement wall |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH0718685A JPH0718685A (en) | 1995-01-20 |
| JP2684961B2 true JP2684961B2 (en) | 1997-12-03 |
Family
ID=15835097
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP5166644A Expired - Fee Related JP2684961B2 (en) | 1993-07-06 | 1993-07-06 | How to build a building basement wall |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP2684961B2 (en) |
Families Citing this family (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP3309241B2 (en) * | 1994-10-11 | 2002-07-29 | 株式会社竹中工務店 | A method of integrating the underground part of a concrete structure that is directly connected to an existing concrete structure and added |
| KR100401330B1 (en) * | 2001-05-04 | 2003-10-17 | 주식회사 정진종합엔지니어링건축사사무소 | A method of construction for earth-protection walls of building |
| KR100477623B1 (en) * | 2004-12-22 | 2005-03-23 | (주) 파주서원종합건축사사무소 | Suppotrer wall sturcture of underground construction for building |
| JP2007046398A (en) * | 2005-08-12 | 2007-02-22 | Takenaka Komuten Co Ltd | Composite underground wall having vibration-isolation effect, its construction method and horizontal multi-spindle type ground improvement device |
| JP5738602B2 (en) * | 2011-01-05 | 2015-06-24 | 株式会社竹中工務店 | Yamadome wall |
| CN108824676B (en) * | 2018-09-11 | 2023-08-15 | 上海宝岳住宅工业有限公司 | Bottom joint structure of double-sided superimposed shear wall and installation construction method thereof |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH03257226A (en) * | 1990-03-06 | 1991-11-15 | Fujita Corp | Construction method for shielding vibration of underground body wall in underground construction |
| JP2561970B2 (en) * | 1990-07-20 | 1996-12-11 | 株式会社大林組 | Panel structure for underground wall and construction method of underground wall |
-
1993
- 1993-07-06 JP JP5166644A patent/JP2684961B2/en not_active Expired - Fee Related
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0718685A (en) | 1995-01-20 |
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