JP3470169B2 - Earth retaining method - Google Patents
Earth retaining methodInfo
- Publication number
- JP3470169B2 JP3470169B2 JP17963099A JP17963099A JP3470169B2 JP 3470169 B2 JP3470169 B2 JP 3470169B2 JP 17963099 A JP17963099 A JP 17963099A JP 17963099 A JP17963099 A JP 17963099A JP 3470169 B2 JP3470169 B2 JP 3470169B2
- Authority
- JP
- Japan
- Prior art keywords
- fixing member
- earth retaining
- flange
- anchor
- retaining wall
- 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
Landscapes
- Bulkheads Adapted To Foundation Construction (AREA)
- Piles And Underground Anchors (AREA)
Description
【発明の詳細な説明】Detailed Description of the Invention
【０００１】[0001]
【発明の属する技術分野】本発明は、土留工法及びその
工法に用いるアンカーの定着部材に関するものである。BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a soil retaining method and an anchor fixing member used in the method.
【０００２】[0002]
【従来の技術】図３に従来の土留工法を示す。この工法
は、土留壁ａ及びその後方地盤にアンカーｂを打設して
土留を行なうものである。アンカーｂの頭部は、Ｈ鋼よ
りなる上部腹起ｃと下部腹起ｄとの間に架設した定着部
材ｅに定着される。2. Description of the Related Art FIG. 3 shows a conventional earth retaining method. In this construction method, an anchor b is placed on the earth retaining wall a and the ground behind the earth retaining wall a for earth retaining. The head portion of the anchor b is fixed to a fixing member e which is made of H steel and is installed between an upper ridge c and a lower ridge d.
【０００３】[0003]
【発明が解決しようとする課題】上記の従来技術には、
次のような問題点が存在する。
＜イ＞下部腹起ｄのフランジｄ１は、土留壁ａと平行に
配されて、ブラケットｆ上に設置される。そして、定着
部材ｅは、そのフランジｄ１の上端縁のみにて支持され
る。そのため、Ｈ鋼の強度を有効に活用することができ
ず、十分な支持力を得るためには、下部腹起ｄをサイズ
アップして強度を大きくしなければならない。DISCLOSURE OF THE INVENTION Problems to be Solved by the Invention
There are the following problems. <A> The flange d1 of the lower bulge d is arranged in parallel with the earth retaining wall a and installed on the bracket f. The fixing member e is supported only by the upper edge of the flange d1. Therefore, the strength of the H steel cannot be effectively utilized, and in order to obtain a sufficient supporting force, it is necessary to increase the size of the lower rebel d to increase the strength.
【０００４】＜ロ＞アンカーの鉛直方向の荷重は、下部
腹起ｄのフランジｄ１に伝達されるため、土留壁ａから
遠い位置に発生する。そのため、ブラケットｆのサイズ
も大きくしなければならない。<B> Since the vertical load of the anchor is transmitted to the flange d1 of the lower bulge d, it is generated at a position far from the earth retaining wall a. Therefore, the size of the bracket f must be increased.
【０００５】＜ハ＞特に、アンカーの打設角度が４５度
以上になると、鉛直方向の荷重が増大するため、上記＜
イ＞＜ロ＞の問題の対策が重要となる。<C> In particular, when the driving angle of the anchor is 45 degrees or more, the load in the vertical direction increases.
It is important to take measures against the problems of b><b>.
【０００６】[0006]
【発明の目的】本発明は、上記のような問題点を解決す
るためになされたもので、下部腹起及びそのブラケット
のサイズを大きくする必要がなく、コストの低減を図る
ことができる、土留工法及びその工法に用いるアンカー
の定着部材を提供することを目的とする。SUMMARY OF THE INVENTION The present invention has been made to solve the above-mentioned problems, and it is not necessary to increase the size of the lower bulge and its bracket, and the cost can be reduced. An object is to provide a construction method and an anchor fixing member used in the construction method.
【０００７】[0007]
【課題を解決するための手段】上記課題を解決するため
の手段として本発明は、土留壁に上段腹起と下段腹起を
設置し、これらの間に定着部材を架設し、打設したアン
カーの頭部をこの定着部材に定着して行なう土留工法に
おいて、Ｈ鋼よりなる下段腹起のフランジを土留壁と直
角に配して設置し、このフランジ面上に定着部材を設置
することを特徴とした、土留工法を提供する。Means for Solving the Problems As a means for solving the above problems, the present invention provides an anchor in which an upper tier and a lower tier are installed on a retaining wall, and a fixing member is installed between these anchors. In the earth retaining method in which the head of the is fixed to this fixing member, a lower step rising flange made of H steel is installed at right angles to the earth retaining wall, and the fixing member is installed on this flange surface. The earth retaining method is provided.
【０００８】また、上記土留工法において、定着部材の
下段腹起フランジ上に設置する面を、下段腹起のウェブ
部分を横断する寸法に形成したことを特徴とする、土留
工法を提供する。Also, in the earth retaining method, there is provided the earth retaining method, wherein a surface of the fixing member to be set on the lower bulging flange is formed to have a size that traverses the lower bulging web portion.
【０００９】また、上記土留工法において、下段腹起
は、アンカーの設置場所ごとに不連続に設置することを
特徴とした、土留工法を提供する。Further, in the earth retaining method, there is provided the earth retaining method characterized in that the lower step bulging is discontinuously installed at each anchor installation location.
【００１０】さらに、土留壁に設置した上段腹起と下段
腹起との間に架設し、打設したアンカーの頭部を定着す
る定着部材において、この定着部材は、土留壁と直角に
配したＨ鋼よりなる下段腹起のフランジ上に設置し、こ
の定着部材の設置面を、下段腹起のウェブ部分を横断す
る寸法に形成したことを特徴とする、アンカーの定着部
材を提供する。以下、図面を参照しながら、本発明の実
施の形態について説明する。Further, in the fixing member which is installed between the upper and lower tiers installed on the earth retaining wall and which fixes the head of the anchor anchored, the fixing member is arranged at a right angle to the earth retaining wall. Provided is a fixing member for an anchor, which is installed on a flange of a lower step rising made of H steel, and an installation surface of the fixing member is formed to have a size crossing a web portion of the lower step rising. Hereinafter, embodiments of the present invention will be described with reference to the drawings.
【００１１】[0011]
【発明の実施の形態】＜イ＞定着部材の形状
図１に示すように、定着部材１は、鋼材によりボックス
型等に形成された部材である。支圧面１１は、アンカー
２の打設角度と直交方向に形成され、アンカー２の頭部
を定着する面である。BEST MODE FOR CARRYING OUT THE INVENTION <A> Shape of Fixing Member As shown in FIG. 1, the fixing member 1 is a member formed of steel into a box shape or the like. The bearing surface 11 is a surface that is formed in a direction orthogonal to the driving angle of the anchor 2 and fixes the head of the anchor 2.
【００１２】平行支持面１２は、土留壁３と平行に形成
され、上段腹起４に設置される面である。また、直角支
持面１３は、土留壁３と直角に形成され、Ｈ鋼よりなる
下段腹起５の上部フランジ５２上に設置される面であ
る。The parallel support surface 12 is a surface which is formed in parallel with the soil retaining wall 3 and which is installed on the upper tier 4. Further, the right-angled support surface 13 is a surface which is formed at a right angle to the soil retaining wall 3 and is installed on the upper flange 52 of the lower step uprising 5 made of H steel.
【００１３】この直角支持面１３と直角に連続する係止
面１４は、下段腹起５の上部フランジ５２の端縁部に係
止する面である。なお、挿入孔１５は、アンカー２を貫
通させるための孔である。The locking surface 14 which is continuous with the right angled support surface 13 at a right angle is a surface which is locked to the end edge portion of the upper flange 52 of the lower step uprising 5. The insertion hole 15 is a hole through which the anchor 2 penetrates.
【００１４】さらに直角支持面１３は、下段腹起５の上
部フランジ５２上において、ウェブ５１部分を横断する
寸法に形成する。図１は、直角支持面１３を上部フラン
ジ５２とほぼ等しい巾に形成した場合である。Further, the right-angled support surface 13 is formed on the upper flange 52 of the lower ridge 5 so as to extend across the web 51. FIG. 1 shows a case where the right-angled support surface 13 is formed to have a width substantially equal to that of the upper flange 52.
【００１５】直角支持面１３を上記のように形成するこ
とによって、アンカー２の鉛直方向の荷重は、下段腹起
５の中心部のウェブ５１に集中する。従って、Ｈ鋼の強
度を有効に活用することができる。しかも、鉛直荷重は
土留壁３に近い位置に発生するため、曲げ応力の減少に
より、ブラケット６のサイズダウンも図れる。By forming the right-angled support surface 13 as described above, the load in the vertical direction of the anchor 2 is concentrated on the web 51 at the central portion of the lower step uprising 5. Therefore, the strength of H steel can be effectively utilized. Moreover, since the vertical load is generated at a position close to the retaining wall 3, the bending stress can be reduced and the size of the bracket 6 can be reduced.
【００１６】＜ロ＞上段腹起の設置
図１、２に示すように，土留壁３に沿って親杭３１を所
定間隔をおいて設置し、その親杭３１にブラケットを介
して上段腹起４を設置する。<B> Installation of the upper tiers As shown in FIGS. 1 and 2, the parent piles 31 are installed along the retaining wall 3 at a predetermined interval, and the parent piles 31 are mounted on the parent piles 31 via the brackets. Install 4.
【００１７】上段腹起４にはＨ鋼などを使用し、そのウ
ェブ４１の一方端のフランジ４２側を、土留壁３と平行
に配して設置する。H steel or the like is used for the upper step upholstery 4, and one end of the web 41 on the side of the flange 42 is placed parallel to the earth retaining wall 3.
【００１８】＜ハ＞下段腹起の設置
親杭３１にブラケット６を設置し、その上面に下部腹起
５を設置する。下部腹起５にはＨ鋼を使用し、そのウェ
ブ５１の一方端の下部フランジ５３側を、土留壁３と直
角に配してブラケット６上に設置する。<C> Installation of Lower Relief The bracket 6 is installed on the main pile 31 and the lower uprising 5 is installed on the upper surface thereof. H steel is used for the lower uprising 5, and one end of the web 51 on the lower flange 53 side is arranged at a right angle to the soil retaining wall 3 and installed on the bracket 6.
【００１９】なお、本発明は、前述したようにＨ鋼の強
度を有効に活用でき、十分な支持力を得ることができ
る。そのため、下部腹起５を従来のように連続して設置
する必要がなく、図２に示すように、アンカー２の打設
場所ごとに不連続に設置することができる。なお、図２
の下部腹起５は、隣接する親杭３１間の長さ単位で形成
したものである。In the present invention, as described above, the strength of H steel can be effectively utilized and a sufficient supporting force can be obtained. Therefore, it is not necessary to continuously install the lower protuberance 5 as in the conventional case, and as shown in FIG. 2, the lower protuberances 5 can be discontinuously installed at each place where the anchor 2 is placed. Note that FIG.
The lower bulge 5 is formed in a unit of length between the adjacent parent piles 31.
【００２０】＜ニ＞定着部材の設置
定着部材１の平行支持面１２を、上段腹起４のフランジ
４３に、定着部材１の直角支持面１３を、下段腹起５の
上部フランジ５２上に設置する。係止面１４は上部フラ
ンジ５２の端縁部に係止させる。そして、アンカー２を
挿入孔１５内から挿入して、土留壁３及び後方地盤中に
貫入させて打設する。緊張後、アンカー２の頭部を支圧
面１１に定着して施工を終了する。<D> Installation of Fixing Member The parallel supporting surface 12 of the fixing member 1 is installed on the flange 43 of the upper stage uprising 4, and the right angle supporting surface 13 of the fixing member 1 is installed on the upper flange 52 of the lower stage uprising 5. To do. The locking surface 14 is locked to the edge of the upper flange 52. Then, the anchor 2 is inserted from the inside of the insertion hole 15 and penetrates into the retaining wall 3 and the rear ground to be driven. After the tension, the head of the anchor 2 is fixed on the bearing surface 11 to finish the construction.
【００２１】[0021]
【発明の効果】本発明は以上説明したようになるため、
次のような効果を得ることができる。
＜イ＞下部腹起のフランジは土留壁と直角に配され、定
着部材はそのフランジの上面に設置される。従って、Ｈ
鋼の強度を有効に活用することができ、サイズアップし
なくとも十分な支持力が得られ、経済的である。Since the present invention is as described above,
The following effects can be obtained. <B> The lower uprising flange is arranged at a right angle to the retaining wall, and the fixing member is installed on the upper surface of the flange. Therefore, H
The strength of steel can be effectively used, and sufficient bearing capacity can be obtained without increasing the size, which is economical.
【００２２】＜ロ＞定着部材の設置面を、下段腹起のウ
ェブ部分を横断する寸法に形成する場合、アンカーの鉛
直方向の荷重は、下段腹起の中心部のウェブに集中す
る。従って、Ｈ鋼の強度をさらに有効に活用することが
できる。しかも、鉛直荷重は土留壁に近い位置に発生す
るため、曲げ応力の減少により、ブラケットのサイズダ
ウンも図れて経済的である。<B> When the mounting surface of the fixing member is formed to have a size that traverses the web portion of the lower ridge, the vertical load of the anchor is concentrated on the web in the central portion of the lower fold. Therefore, the strength of the H steel can be utilized more effectively. Moreover, since the vertical load is generated at a position close to the retaining wall, the bending stress is reduced and the size of the bracket can be reduced, which is economical.
【００２３】＜ハ＞特に、アンカーの打設角度が４５度
以上になると、鉛直方向の荷重が増大するため、上記＜
イ＞＜ロ＞のような効果が有効に発揮される。<C> In particular, if the anchor driving angle is 45 degrees or more, the vertical load increases.
Effects such as B><B> are effectively exhibited.
【００２４】＜ニ＞上記のようにＨ鋼の強度を有効に活
用でき、十分な支持力を得ることができるため、下部腹
起を従来のように連続して設置する必要がなく、アンカ
ーの打設場所ごとに不連続に設置すれば済むため経済的
である。<D> Since the strength of H steel can be effectively utilized and a sufficient supporting force can be obtained as described above, it is not necessary to continuously install the lower bulging as in the conventional case, and the anchor can be It is economical because it can be installed discontinuously at each setting place.
【図１】 本発明の実施の形態の側面図FIG. 1 is a side view of an embodiment of the present invention.
【図２】 本発明の実施の形態の正面図FIG. 2 is a front view of the embodiment of the present invention.
【図３】 従来技術の説明図FIG. 3 is an explanatory diagram of a conventional technique.
Claims (2)
れらの間に定着部材を架設し、打設したアンカーの頭部
をこの定着部材に定着して行なう土留工法において、 Ｈ鋼よりなる下段腹起のフランジを土留壁と直角に配し
て、アンカーの打設場所ごとに不連続に設置し、 このフランジ面上に定着部材を設置することを特徴とし
た、 土留工法。1. An earth retaining method in which an upper step and a lower step are installed on a retaining wall, a fixing member is installed between them, and the head of a placed anchor is fixed to the fixing member. The earth retaining method is characterized by arranging a steel-bottomed uprising flange at right angles to the earth retaining wall, disposing the anchors discontinuously at each anchoring location, and installing a fixing member on the flange surface.
起のウェブ部分を横断する寸法に形成したことを特徴と
する、 土留工法。2. The earth retaining method according to claim 1, wherein a surface of the fixing member to be installed on the lower step uprising flange is formed to have a size crossing a web portion of the lower step uprising. .
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP17963099A JP3470169B2 (en) | 1999-06-25 | 1999-06-25 | Earth retaining method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP17963099A JP3470169B2 (en) | 1999-06-25 | 1999-06-25 | Earth retaining method |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JP2001003364A JP2001003364A (en) | 2001-01-09 |
| JP3470169B2 true JP3470169B2 (en) | 2003-11-25 |
Family
ID=16069136
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP17963099A Expired - Lifetime JP3470169B2 (en) | 1999-06-25 | 1999-06-25 | Earth retaining method |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP3470169B2 (en) |
Families Citing this family (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2007177517A (en) * | 2005-12-28 | 2007-07-12 | Tanaka Juken:Kk | Earth anchor method |
| KR100635331B1 (en) | 2006-03-16 | 2006-10-18 | (주)써포텍 | Raker support structure for underground pre-scaffolding system |
| KR100903508B1 (en) * | 2007-08-16 | 2009-06-17 | 이창남 | '?' Shape Waling Method Separated from the Basement Wall |
| JP6082614B2 (en) * | 2013-02-07 | 2017-02-15 | 戸田建設株式会社 | Reconstruction method of existing building and pedestal for ground anchor |
| KR102495095B1 (en) * | 2022-04-01 | 2023-02-06 | 주식회사 지디컨설턴트 | Connecting Beam, Pile using such Connecting Beam, Wall Structure using such Pile, and Constructing Method of such Wall Structure |
| KR102498620B1 (en) * | 2022-04-01 | 2023-02-10 | 이기환 | Composite Wall having Combination Retaining Wall with Concrete Wall, and Constructing Method of such Composite Wall |
| KR102495094B1 (en) * | 2022-04-01 | 2023-02-06 | 이정훈 | Anchor Bracket Structure, Retaining Wall having such Structure, and Constructing Method of such Retaining Wall |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP3043894U (en) | 1997-05-30 | 1997-12-02 | 株式会社間組 | Support structure for mountain retaining wall |
-
1999
- 1999-06-25 JP JP17963099A patent/JP3470169B2/en not_active Expired - Lifetime
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP3043894U (en) | 1997-05-30 | 1997-12-02 | 株式会社間組 | Support structure for mountain retaining wall |
Also Published As
| Publication number | Publication date |
|---|---|
| JP2001003364A (en) | 2001-01-09 |
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