JPS5865819A - Anchor device - Google Patents
Anchor deviceInfo
- Publication number
- JPS5865819A JPS5865819A JP16540181A JP16540181A JPS5865819A JP S5865819 A JPS5865819 A JP S5865819A JP 16540181 A JP16540181 A JP 16540181A JP 16540181 A JP16540181 A JP 16540181A JP S5865819 A JPS5865819 A JP S5865819A
- Authority
- JP
- Japan
- Prior art keywords
- steel wire
- fixing body
- load
- plate
- anchor device
- 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
Links
Classifications
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D5/00—Bulkheads, piles, or other structural elements specially adapted to foundation engineering
- E02D5/74—Means for anchoring structural elements or bulkheads
- E02D5/80—Ground anchors
- E02D5/808—Ground anchors anchored by using exclusively a bonding material
Landscapes
- Engineering & Computer Science (AREA)
- Structural Engineering (AREA)
- Life Sciences & Earth Sciences (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Mining & Mineral Resources (AREA)
- Paleontology (AREA)
- Civil Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Piles And Underground Anchors (AREA)
Abstract
Description
【発明の詳細な説明】 この発明は除去式のアンカー装置に関するものである。[Detailed description of the invention] This invention relates to a removable anchor device.
擁壁、山留壁等を支持するアースアンカー装置に射いて
工事終了後撤去する除去式アンカー装置が種々開発提案
されている。その一つにアンボンドの緊張鋼材を、地盤
の削孔底に挿入した定着体の耐荷板に引掛けてＵ状に配
置しておき、削孔内を充填して緊張鋼材の両端を擁壁園
等に固定して使用し、撤去に際しては前記固定を外し、
緊張鋼材の一端を引張ることにより撤去する工法が知ら
れてい志。そして以上の工法でＵ状に配置するためシー
ス等を使用する場合は問題ないがｐｃ鋼より線とポリエ
チレンパイプの間にグリスを入れたアンボンドＰＣ鋼線
を複数本並列して使用する場合、アンボンドＰＣ鋼線が
接触すると摩擦抵抗によって引抜きが困難となり、また
アンボンドｐｃ ＠＠が弾発力によって拡がる傾向にあ
ってアンボンドｐｃ ＠＠と耐荷板との間に隙間を生じ
、コンクリートを充填して定着体を定着する際その隙間
にコンクリートが入り、アンボンドＰＣ鋼線の引抜きを
困難とする要因になることがある。Various types of removable anchor devices have been developed and proposed, which are attached to earth anchor devices that support retaining walls, mountain retaining walls, etc. and are removed after construction is completed. One method is to place unbonded tension steel materials in a U-shape by hooking them onto the load-bearing plates of an anchor inserted into the bottom of a hole in the ground. etc., and when removing it, remove the said fixing,
There is a known method of removing tension steel by pulling one end of it. There is no problem when using a sheath etc. to arrange in a U shape with the above construction method, but when using multiple unbonded PC steel wires in parallel with grease between the PC steel stranded wire and the polyethylene pipe, unbonded When the PC steel wires come into contact, it becomes difficult to pull them out due to frictional resistance, and the unbonded PC @@ tends to spread due to the elastic force, creating a gap between the unbonded PC @@ and the load-bearing plate, which is filled with concrete and fixed. When the body is fixed, concrete may enter the gap, making it difficult to pull out the unbonded PC steel wire.
この発明は前記従来の間廟点を解決すべく開発したもの
で、以下その詳細を図示した実施例によって説明する。The present invention was developed to solve the above-mentioned shortcomings of the prior art, and will be described in detail below with reference to illustrated embodiments.
図に詔いて、１は定着体、２はアンボンドＰＣ＄１１を
示す。In the figure, 1 indicates the fixing body and 2 indicates the unbonded PC $11.
定着体１は鋳鋼異形鉄筋、グラスファイバーコンクリー
ト等により形成され、基部の耐荷板Ｓと先端部４との中
間部は中空状とされ、中間に仕切板５，５が設けてあり
、また中間部表面には定着に際しての抵抗となる突起６
が形成して′ある。The anchoring body 1 is formed of cast steel deformed reinforcing bars, glass fiber concrete, etc., and the intermediate portion between the load-bearing plate S at the base and the tip portion 4 is hollow, and partition plates 5, 5 are provided in the intermediate portion. There are protrusions 6 on the surface that act as resistance during fixing.
is formed.
耐荷板３には並列した湾曲状をなす凹溝７，７が形成さ
れ、少なくともその先端間には仕切壁８が突設状に形成
しである。Parallel curved grooves 7, 7 are formed in the load-bearing plate 3, and a partition wall 8 is formed in a protruding manner at least between the ends thereof.
基部側の仕切板５の中央には螺子孔９が形成され、基部
に押圧板１０を設けた螺杆１１が螺子孔９に螺合されて
いる。したがって押圧板１０は凹ｆｐＩ７，７に対向し
て進退自在に設置されること１こなる。A screw hole 9 is formed in the center of the partition plate 5 on the base side, and a screw rod 11 having a pressure plate 10 at the base is screwed into the screw hole 9. Therefore, the press plate 10 is installed facing the recesses fpI7, 7 so as to be able to move forward and backward.
以上の凹＄７．７にアンボンドルｃ鋼線２を引掛け、抑
圧板１０で押えることにより、アンボンドルｃ鋼線２の
動きを規制する。The movement of the unbonded C steel wire 2 is restricted by hooking the unbonded C steel wire 2 into the above recess $7.7 and pressing it with the suppression plate 10.
使用に際しては掘削孔Ａ門番３定着体１．アンボンドＰ
Ｃ＠８２を挿入し、次いで掘削孔Ａ内にモルタルを加圧
注入し、定着体１を掘削凡人の底部に定着し、アンボン
ドルｃ鋼線２の両端は擁壁Ｂ等に挿通し、均等に緊張し
てグリップ１２等により固定する。When using, drill hole A gatekeeper 3 anchor 1. Unbonded P
Insert C@82, then inject mortar under pressure into the excavation hole A, fix the fixing body 1 at the bottom of the excavator, and insert both ends of the unbonded C steel wire 2 into the retaining wall B etc., evenly. Tension and fix with grip 12 or the like.
撤去に際してはグリップ１２を外し、アンボンドルｃ鋼
線２の何れか一湖の備をジヤツキに取付けて引抜く。When removing it, remove the grip 12, attach one of the unbonded steel wires 2 to the jack, and pull it out.
この発明は以上の構成からなり、定着体には仕切壁によ
って区画された湾曲状の凹溝があり、複数のアンボンド
ＰＣ鋼線を相互薔こ分離状態に配置しであるので引抜き
時に相互に影響することがない。またアンボンドルｃ鋼
線を規制する抑圧板を設けたので凹溝内の所定位置に確
実にセットすることができ、引き抜きを容易ならしめる
ことができる。This invention has the above-mentioned structure, and the fixing body has a curved groove partitioned by a partition wall, and a plurality of unbonded PC steel wires are arranged so as to be separated from each other, so that they influence each other during drawing. There's nothing to do. Furthermore, since a suppression plate is provided to restrict the unbonded C steel wire, it can be reliably set in a predetermined position within the groove, and it can be easily pulled out.
第１図は地盤へ堀設状態の断面図、第２図は定着体の正
面図、第５図、第４図は定着体の断面図である。
１・・定着体、２−・アンボンドＰＣ鋼線、５・・耐荷
板、４・・先端部、５・・仕切板、６・・突起、７・・
凹溝、８・・仕切壁、９・・螺子孔、１０・・押圧板、
１１・・螺杆、１２・・グリップ、人・・掘Ｉｌ！ｌＩ
孔、Ｂ・・擁壁。
特許出願人 建設基礎エンジユ
アリング株式会社FIG. 1 is a cross-sectional view of the fixing body in a state where it is dug into the ground, FIG. 2 is a front view of the fixing body, and FIGS. 5 and 4 are cross-sectional views of the fixing body. 1. Fixing body, 2. Unbonded PC steel wire, 5. Load-bearing plate, 4. Tip, 5. Partition plate, 6. Protrusion, 7.
Concave groove, 8...partition wall, 9...screw hole, 10...pressing plate,
11...Screw rod, 12...Grip, person...Dig Il! lI
Hole, B...retaining wall. Patent applicant Kensetsu Foundation Engineering Co., Ltd.
Claims (1)
溝を形成し、かつその凹溝間に仕切壁を形成し、その凹
溝にアンボンドＰＣ鋼線を引掛け、かつアンボンドＰＣ
鋼線を規制する抑圧板を凹溝に対向して進退自在に設置
しであることを％徴とするアンカー装置。On the load-bearing plate formed with the fixing body, parallel curved grooves are formed, a partition wall is formed between the grooves, an unbonded PC steel wire is hung in the groove, and the unbonded PC
This anchor device is characterized by a suppression plate that restricts the steel wire and is installed facing a groove so that it can move forward and backward.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP16540181A JPS6053136B2 (en) | 1981-10-16 | 1981-10-16 | Anchor device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP16540181A JPS6053136B2 (en) | 1981-10-16 | 1981-10-16 | Anchor device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS5865819A true JPS5865819A (en) | 1983-04-19 |
| JPS6053136B2 JPS6053136B2 (en) | 1985-11-22 |
Family
ID=15811701
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP16540181A Expired JPS6053136B2 (en) | 1981-10-16 | 1981-10-16 | Anchor device |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS6053136B2 (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5730556A (en) * | 1992-07-01 | 1998-03-24 | Keller Limited | Removable ground anchor |
| KR100818504B1 (en) | 2006-12-27 | 2008-03-31 | (주) 공인건설 | Tension soil nail and construction method of precast concrete panel using the same |
| US20140345220A1 (en) * | 2013-05-24 | 2014-11-27 | Francesco Ferraiolo | Anchoring system for concrete panels in a stabilized earth structure |
-
1981
- 1981-10-16 JP JP16540181A patent/JPS6053136B2/en not_active Expired
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5730556A (en) * | 1992-07-01 | 1998-03-24 | Keller Limited | Removable ground anchor |
| KR100818504B1 (en) | 2006-12-27 | 2008-03-31 | (주) 공인건설 | Tension soil nail and construction method of precast concrete panel using the same |
| US20140345220A1 (en) * | 2013-05-24 | 2014-11-27 | Francesco Ferraiolo | Anchoring system for concrete panels in a stabilized earth structure |
| US9523178B2 (en) | 2013-05-24 | 2016-12-20 | Officine Maccaferri S.P.A. | Anchoring system for concrete panels in a stabilized earth structure |
Also Published As
| Publication number | Publication date |
|---|---|
| JPS6053136B2 (en) | 1985-11-22 |
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