JP2926090B2 - Earth retaining anchor structure - Google Patents

Earth retaining anchor structure

Info

Publication number
JP2926090B2
JP2926090B2 JP13856294A JP13856294A JP2926090B2 JP 2926090 B2 JP2926090 B2 JP 2926090B2 JP 13856294 A JP13856294 A JP 13856294A JP 13856294 A JP13856294 A JP 13856294A JP 2926090 B2 JP2926090 B2 JP 2926090B2
Authority
JP
Japan
Prior art keywords
anchor
earth retaining
bolt
bent
predetermined angle
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
Application number
JP13856294A
Other languages
Japanese (ja)
Other versions
JPH083993A (en
Inventor
光俊 尾形
洋司 菊地
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.)
NITSUTOKU KENSETSU KK
Original Assignee
NITSUTOKU KENSETSU 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 NITSUTOKU KENSETSU KK filed Critical NITSUTOKU KENSETSU KK
Priority to JP13856294A priority Critical patent/JP2926090B2/en
Publication of JPH083993A publication Critical patent/JPH083993A/en
Application granted granted Critical
Publication of JP2926090B2 publication Critical patent/JP2926090B2/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Landscapes

  • Piles And Underground Anchors (AREA)
  • Retaining Walls (AREA)
  • Bulkheads Adapted To Foundation Construction (AREA)

Description

【発明の詳細な説明】DETAILED DESCRIPTION OF THE INVENTION

【0001】[0001]

【産業上の利用分野】本発明は、土留めパネル、矢板、
杭などの土留め構造物を、地山に沿って配置し、地山に
打設したアンカーによって支える土留めアンカー構造に
関するものである。
BACKGROUND OF THE INVENTION The present invention relates to a retaining panel, a sheet pile,
The present invention relates to a retaining anchor structure in which a retaining structure such as a pile is disposed along a ground and supported by an anchor cast in the ground.

【0002】[0002]

【従来の技術】図5に示すように、地山1に対して所定
間隔離してコンクリート擁壁ブロック等の土留め構造物
2を建て込み、この土留め構造物をアンカー3によって
支える場合に、アンカー3の定着を行うために地山に設
ける掘削孔4は硬化材5を注入するのに充分充満させ、
内部の水(ブリージング水)を全て外へ排出して硬化材
5の質を良質のものにするために、底部に行くに従って
深くなるように傾斜させる。このようにすれば、硬化材
5を底から順次充填してブリージング水を押し上げるこ
とで排除できる。
2. Description of the Related Art As shown in FIG. 5, when an earth retaining structure 2 such as a concrete retaining wall block is erected at a predetermined distance from a ground 1, and the earth retaining structure is supported by an anchor 3, The drilling hole 4 provided in the ground for anchoring the anchor 3 is sufficiently filled to inject the hardening material 5,
In order to discharge all the internal water (breathing water) to the outside and improve the quality of the hardening material 5, the hardening material 5 is inclined so as to become deeper toward the bottom. In this case, the hardening material 5 can be eliminated by sequentially filling the hardening material 5 from the bottom and pushing up the breathing water.

【0003】そして、この掘削孔4から真っ直ぐに延ば
してアンカー3の先端で土留め構造物2を固定するので
はこの土留め構造物2の面に対するアンカーヘッドの取
り付けも斜めとなり、また、土留め構造物2の下端にそ
の重量とともに土圧の分散荷重が加わることになり、大
きな局部応力が発生するおそれもある。
[0003] When the earth retaining structure 2 is fixed straight at the tip of the anchor 3 by extending straight from the excavation hole 4, the anchor head is attached obliquely to the surface of the earth retaining structure 2. A dispersed load of earth pressure is applied to the lower end of the structure 2 together with its weight, and a large local stress may be generated.

【0004】そこで、出願人が先に出願した特願平4-14
8222号(特開平5-311666号公報)では、この図5に示す
ように掘削孔4から出るアンカー3は所定角度屈曲させ
て水平とし、この水平部分の先端に前記土留め構造物2
を固定するようにした。
[0004] Accordingly, the applicant has filed Japanese Patent Application No.
In Japanese Patent No. 8222 (JP-A-5-311666), as shown in FIG. 5, the anchor 3 coming out of the excavation hole 4 is bent by a predetermined angle to be horizontal, and the earth retaining structure 2 is attached to the tip of this horizontal portion.
Was fixed.

【0005】図中6はH形鋼による主柱、7はアンカー
3の屈曲部に被せる保護管、15はアンカー3の中間部緊
張材である。
[0005] In the figure, 6 is a main pillar made of H-shaped steel, 7 is a protective tube which covers the bent portion of the anchor 3, and 15 is a tension member in the middle of the anchor 3.

【0006】[0006]

【発明が解決しようとする課題】このように土留め構造
物2を水平にアンカー3で固定することで、土圧荷重に
効率良く対応できるが、前記図5に示すアンカー構造で
は、アンカー3は屈曲させるのに円弧を描くように徐徐
に曲げるので、屈曲角度はそれほど大きなものとするこ
とができない。けだし、大きな屈曲角度とすると保護管
7に当たり、この部分に集中荷重が生じ、損壊するおそ
れがあるからである。
By fixing the earth retaining structure 2 horizontally with the anchors 3 as described above, it is possible to efficiently cope with the earth pressure load. However, in the anchor structure shown in FIG. Since the bending is performed gradually so as to draw an arc, the bending angle cannot be so large. This is because if the bending angle is large, the protection tube 7 hits, and a concentrated load is generated in this portion, which may cause damage.

【0007】本発明の目的は前記従来例の不都合を解消
し、地山の底部に行くに従って深くなるように傾斜させ
た掘削孔内に配置したアンカーの端部を定着し、掘削孔
から出るアンカーは所定角度屈曲させて水平とし、この
水平部分の先端に土留め構造物を固定する土留めアンカ
ー構造において、比較的大きな角度で、安定したアンカ
ーの屈曲部が簡単な構成で得られる土留めアンカー構造
を提供することにある。
SUMMARY OF THE INVENTION An object of the present invention is to solve the above-mentioned disadvantages of the prior art, and to fix an end of an anchor disposed in a borehole which is inclined so as to become deeper as it goes to the bottom of the ground, and to anchor the anchor coming out of the borehole. Is bent at a predetermined angle to make it horizontal, and in the earth retaining anchor structure for fixing the earth retaining structure at the tip of this horizontal part, the earth retaining anchor in which a stable bent portion of the anchor can be obtained at a relatively large angle with a simple configuration. It is to provide a structure.

【0008】[0008]

【課題を解決するための手段】本発明は前記目的を達成
するため、地山の底部に行くに従って深くなるように傾
斜させた掘削孔内に配置したアンカーの端部を定着し、
掘削孔から出るアンカーは所定角度屈曲させて水平と
し、この水平部分の先端に土留め構造物を固定する土留
めアンカー構造において、アンカーの所定角度屈曲部に
はボルトによる軸着蝶番金物を配設し、この蝶番金物で
の屈曲部を保護管で覆い、該保護管の内部に保護油を充
填したこと、または、この構成に加えて、アンカーの端
とボルトによる軸着蝶番金物にネジソケットを形成し、
このソケット相互をボルトピンで結合させることを要旨
とするものである。
In order to achieve the above object, the present invention fixes an end of an anchor disposed in an excavation hole which is inclined so as to become deeper toward the bottom of the ground,
The anchor coming out of the borehole is bent at a predetermined angle to make it horizontal, and in the earth retaining anchor structure for fixing the earth retaining structure at the tip of this horizontal part, a hinged metal fitting with a bolt is provided at the bent part of the anchor at the predetermined angle. Then, the bent portion of the hinge fitting is covered with a protective tube, and the inside of the protective tube is filled with protective oil, or, in addition to this configuration, a screw socket is attached to the hinged fitting with the end of the anchor and a bolt. Forming
The gist of the invention is to connect the sockets to each other with bolt pins.

【0009】[0009]

【作用】請求項1の本発明によれば、蝶番金物はボルト
による軸で自由に屈折するので、この部分を介して簡単
にアンカーを所定角度屈曲させることができる。
According to the first aspect of the present invention, the hinge metal can be freely bent at the axis by the bolt, so that the anchor can be easily bent at a predetermined angle through this portion.

【0010】請求項2記載の本発明によれば、前記作用
に加えて、ソケットとボルトピンとの結合で簡単にアン
カーの途中に蝶番金物をセットできるとともに、ボルト
ピンをソケットに深く螺入していくことで緊張すること
も可能となる。
According to the second aspect of the present invention, in addition to the above-described operation, the hinge metal can be easily set in the middle of the anchor by coupling the socket and the bolt pin, and the bolt pin is screwed deeply into the socket. Tensions can be made possible by doing so.

【0011】[0011]

【実施例】以下、図面について本発明の実施例を詳細に
説明する。図1は本発明の土留めアンカー構造の1実施
例を示す要部の側面図、図4は全体の縦断側面図で、前
記従来例を示す図5と同一構成要素には同一参照符号を
付したものである。
DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS Embodiments of the present invention will be described in detail with reference to the drawings. FIG. 1 is a side view of an essential part showing an embodiment of an earth retaining anchor structure according to the present invention, and FIG. 4 is a longitudinal sectional side view of the whole. The same components as those in FIG. It was done.

【0012】すなわち、岩盤1aや表土1bからなる地
山1に対して所定間隔離してコンクリート擁壁ブロック
等の土留め構造物2を建て込み、地山1に設ける掘削孔
4は地山1の底部に行くに従って深くなるように傾斜さ
せ、この掘削孔4に硬化材5を充填してアンカー3の定
着を行う。
That is, an earth retaining structure 2 such as a concrete retaining wall block is erected at a predetermined distance from a ground 1 composed of a bedrock 1a and a topsoil 1b. The excavation hole 4 is filled with a hardening material 5 so that the anchor 3 is fixed.

【0013】そして、掘削孔4から出るアンカー3は所
定角度屈曲させて水平とし、この水平部分の先端に前記
土留め構造物2を固定するようにした。
The anchor 3 coming out of the excavation hole 4 is bent at a predetermined angle to make it horizontal, and the earth retaining structure 2 is fixed to the tip of this horizontal portion.

【0014】本発明は、このようにアンカー3を屈曲さ
せるのにボルト8による軸着蝶番金物9を配設した。こ
の蝶番金物9は図2、図3に示すように、ネジソケット
9aの端同士を雄部、雌部として嵌合させ、ボルト8で
貫通し、ボルト8の他端にナット10を嵌めて抜け出し防
止とする。
According to the present invention, the hinged hardware 9 using the bolt 8 is provided to bend the anchor 3 in this manner. As shown in FIG. 2 and FIG. 3, the hinge hardware 9 is formed by fitting the ends of the screw socket 9a as a male part and a female part, penetrating with a bolt 8, fitting a nut 10 to the other end of the bolt 8, and coming out. Prevention.

【0015】一方、アンカー3の端にもネジソケット11
を固着し、これら蝶番金物9のネジソケット9aとアン
カー3端のネジソケット11相互をボルトピン12で結合さ
せる。このボルトピン12は中央に回動用の孔12aを形成
した。
On the other hand, a screw socket 11 is also provided at the end of the anchor 3.
The screw socket 9a of the hinge hardware 9 and the screw socket 11 at the end of the anchor 3 are connected to each other by bolt pins 12. The bolt pin 12 has a pivot hole 12a formed in the center.

【0016】このようにして、ボルトピン12をネジソケ
ット9aやネジソケット11に螺入してアンカー3と蝶番
金物9を結合させ、かつ、このボルトピン12を回動して
より深くネジソケット9aやネジソケット11に螺入する
ことでアンカー3に緊張力を与えることもできる。
In this manner, the bolt pin 12 is screwed into the screw socket 9a or the screw socket 11 to connect the anchor 3 and the hinge hardware 9, and the bolt pin 12 is turned to further deepen the screw socket 9a or the screw. By screwing into the socket 11, tension can be applied to the anchor 3.

【0017】そして、蝶番金物9はボルト8を軸に屈折
するので、モルタル等の硬化材5を充填して定着を行っ
たアンカー3が掘削孔4を出た所で水平となるように所
定角度屈曲させて緊張することができる。
Since the hinge hardware 9 is bent around the bolt 8, a predetermined angle is set so that the anchor 3 filled with the hardening material 5 such as mortar and fixed is horizontal at the place where the anchor 3 exits the excavation hole 4. You can bend and be tense.

【0018】なお、前記蝶番金物9での屈曲個所は保護
管7で覆うが、その内部には保護油としての合成油13を
充填する。また、アンカー3は土留め構造物2の主柱6
に結合させるものとして、その結合方法はこの主柱6か
らもボルトピン14を溶接等で突設してアンカー3端のネ
ジソケット11に螺入させるようにしてもよい。
The bent portion of the hinge hardware 9 is covered with a protective tube 7 and the inside thereof is filled with a synthetic oil 13 as a protective oil. The anchor 3 is a main pillar 6 of the earth retaining structure 2.
The bolts 14 may be projected from the main pillar 6 by welding or the like and screwed into the screw socket 11 at the end of the anchor 3.

【0019】[0019]

【発明の効果】以上述べたように本発明の土留めアンカ
ー構造は、地山の底部に行くに従って深くなるように傾
斜させた掘削孔内に配置したアンカーの端部を定着し、
掘削孔から出るアンカーは所定角度屈曲させて水平と
し、この水平部分の先端に土留め構造物を固定する土留
めアンカー構造において、比較的大きな角度で、安定し
たアンカーの屈曲部が簡単な構成で得られるものであ
る。
As described above, the earth retaining anchor structure of the present invention fixes the end of the anchor disposed in the excavation hole which is inclined so as to become deeper toward the bottom of the ground.
The anchor coming out of the excavation hole is bent at a predetermined angle to make it horizontal, and in the earth retaining anchor structure for fixing the earth retaining structure at the tip of this horizontal part, the bent part of the stable anchor is relatively simple at a relatively large angle. It is obtained.

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

【図1】本発明の土留めアンカー構造の1実施例を示す
要部の側面図である。
FIG. 1 is a side view of a main part showing one embodiment of an earth retaining anchor structure of the present invention.

【図2】アンカーの屈曲個所の分解正面図である。FIG. 2 is an exploded front view of a bending portion of the anchor.

【図3】蝶番金物の平面図である。FIG. 3 is a plan view of a hinge hardware.

【図4】本発明の土留めアンカー構造の1実施例を示す
全体の縦断正面図である。
FIG. 4 is an overall vertical sectional front view showing one embodiment of the earth retaining anchor structure of the present invention.

【図5】従来例を示す縦断正面図である。FIG. 5 is a longitudinal sectional front view showing a conventional example.

【符号の説明】[Explanation of symbols]

1…地山 1a…岩盤 1b…表土 2…土留め構造
物 3…アンカー 4…掘削孔 5…硬化材 6…主柱 7…保護管 8…ボルト 9…蝶番金物 9a…ネジソケ
ット 10…ナット 11…ネジソケッ
ト 12…ボルトピン 12a…孔 13…合成油 14…ボルトピン 15…中間部緊張材
DESCRIPTION OF SYMBOLS 1 ... Ground 1a ... Rock 1b ... Top soil 2 ... Earth retaining structure 3 ... Anchor 4 ... Excavation hole 5 ... Hardening material 6 ... Main pillar 7 ... Protection tube 8 ... Bolt 9 ... Hinge hardware 9a ... Screw socket 10 ... Nut 11 ... Screw socket 12 ... Bolt pin 12a ... Hole 13 ... Synthetic oil 14 ... Bolt pin 15 ... Intermediate tension member

───────────────────────────────────────────────────── フロントページの続き (58)調査した分野(Int.Cl.6,DB名) E02D 5/80 E02D 17/04 ──────────────────────────────────────────────────続 き Continued on the front page (58) Field surveyed (Int.Cl. 6 , DB name) E02D 5/80 E02D 17/04

Claims (2)

(57)【特許請求の範囲】(57) [Claims] 【請求項1】 地山の底部に行くに従って深くなるよう
に傾斜させた掘削孔内に配置したアンカーの端部を定着
し、掘削孔から出るアンカーは所定角度屈曲させて水平
とし、この水平部分の先端に土留め構造物を固定する土
留めアンカー構造において、アンカーの所定角度屈曲部
にはボルトによる軸着蝶番金物を配設し、この蝶番金物
での屈曲部を保護管で覆い、該保護管の内部に保護油を
充填したことを特徴とする土留めアンカー構造。
1. An anchor disposed in an excavation hole which is inclined so as to become deeper as it goes to the bottom of the ground, is anchored, and an anchor coming out of the excavation hole is bent by a predetermined angle to be horizontal, and the horizontal portion In the earth retaining anchor structure for fixing the earth retaining structure at the tip of the anchor, a hinged metal fitting with a bolt is arranged at a bent part of the anchor at a predetermined angle, and the bent part with the hinge metal is covered with a protective tube, An earth retaining anchor structure characterized by filling the inside of a pipe with a protective oil.
【請求項2】 アンカーの端とボルトによる軸着蝶番金
物にネジソケットを形成し、このソケット相互をボルト
ピンで結合させる請求項1記載の土留めアンカー構造。
2. A retaining anchor structure according to claim 1, wherein a screw socket is formed on the hinged metal fitting attached to the end of the anchor and the bolt, and the sockets are connected to each other with a bolt pin.
JP13856294A 1994-06-21 1994-06-21 Earth retaining anchor structure Expired - Fee Related JP2926090B2 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP13856294A JP2926090B2 (en) 1994-06-21 1994-06-21 Earth retaining anchor structure

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP13856294A JP2926090B2 (en) 1994-06-21 1994-06-21 Earth retaining anchor structure

Publications (2)

Publication Number Publication Date
JPH083993A JPH083993A (en) 1996-01-09
JP2926090B2 true JP2926090B2 (en) 1999-07-28

Family

ID=15225051

Family Applications (1)

Application Number Title Priority Date Filing Date
JP13856294A Expired - Fee Related JP2926090B2 (en) 1994-06-21 1994-06-21 Earth retaining anchor structure

Country Status (1)

Country Link
JP (1) JP2926090B2 (en)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR100767453B1 (en) * 2006-03-17 2007-10-17 홍건영 Coupling device in reinforced retainaing wall
KR100642341B1 (en) * 2006-07-27 2006-11-15 (주)유원건축사사무소 A pile for retaining wall
KR101360288B1 (en) * 2013-05-10 2014-03-14 (주)에스오씨산업 Reinforced earth retaining wall a method of construction

Also Published As

Publication number Publication date
JPH083993A (en) 1996-01-09

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