JPH0529240Y2 - - Google Patents
Info
- Publication number
- JPH0529240Y2 JPH0529240Y2 JP8879888U JP8879888U JPH0529240Y2 JP H0529240 Y2 JPH0529240 Y2 JP H0529240Y2 JP 8879888 U JP8879888 U JP 8879888U JP 8879888 U JP8879888 U JP 8879888U JP H0529240 Y2 JPH0529240 Y2 JP H0529240Y2
- Authority
- JP
- Japan
- Prior art keywords
- cylinder part
- steel
- anchor cable
- pilot cap
- press
- 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
- 229910000831 Steel Inorganic materials 0.000 claims description 43
- 239000010959 steel Substances 0.000 claims description 43
- 230000002093 peripheral effect Effects 0.000 claims description 12
- 239000000463 material Substances 0.000 description 8
- 239000011440 grout Substances 0.000 description 7
- 230000000694 effects Effects 0.000 description 2
- 229920003002 synthetic resin Polymers 0.000 description 2
- 239000000057 synthetic resin Substances 0.000 description 2
- 239000002390 adhesive tape Substances 0.000 description 1
- 239000002131 composite material Substances 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- JEIPFZHSYJVQDO-UHFFFAOYSA-N iron(III) oxide Inorganic materials O=[Fe]O[Fe]=O JEIPFZHSYJVQDO-UHFFFAOYSA-N 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 125000006850 spacer group Chemical group 0.000 description 1
- 239000002023 wood Substances 0.000 description 1
Landscapes
- Piles And Underground Anchors (AREA)
- Reinforcement Elements For Buildings (AREA)
Description
【考案の詳細な説明】
［産業上の利用分野］
本考案は、シースアンカーケーブルの端部を覆
つて該端部を保護するパイロツトキヤツプに関す
るものである。[Detailed Description of the Invention] [Industrial Application Field] The present invention relates to a pilot cap that covers and protects the end of a sheathed anchor cable.
［従来の技術］
アースアンカーを施工するには、第４図に示す
ように、対象地盤１に土留め壁２を設けるととも
にアンカー孔３を掘削し、このアンカー孔３に、
スペーサ４を装着したアースアンカーケーブル
（以下アンカーケーブルと略称する）５を孔底ま
で挿入し、次に、グラウト材６をアンカー孔３に
注入し、養正期間終了後に、地盤１外部に突出し
たアンカーケーブル５を、支圧板７に挿入してか
ら、引張状態で支圧板７に係合させ定着すること
により行われる。[Prior Art] In order to construct an earth anchor, as shown in FIG.
An earth anchor cable (hereinafter referred to as anchor cable) 5 equipped with a spacer 4 was inserted to the bottom of the hole, then grout material 6 was injected into the anchor hole 3, and after the curing period, it protruded to the outside of the ground 1. This is done by inserting the anchor cable 5 into the bearing pressure plate 7 and then engaging and fixing it in the bearing pressure plate 7 in a tensioned state.
アンカーケーブルとしては、PC複合より線束、
PC鋼棒、PC鋼より線等が用いられ、また、これ
らアンカーケーブルの両端部には、該端部の保
護、防錆あるいは必要かぶり厚さの確保のため
に、パイロツトキヤツプが装着される。 Anchor cables include PC composite stranded wire bundles,
PC steel rods, PC steel stranded wires, etc. are used, and pilot caps are attached to both ends of these anchor cables to protect the ends, prevent rust, or ensure the required cover thickness.
上記アンカーケーブル５は、第４図に示すよう
に、PC鋼より線（鋼線）８を複数本束ねたもの
を示しており、このようなアンカーケーブル５に
装着されるパイロツトキヤツプとしては、従来、
第５図符号９に示すように、先端が尖つた有底円
筒状をなし、その内部に、接着テープ１０等で束
ねたPC鋼より線８を挿入して使用する形式のも
のが一般的である。 As shown in Fig. 4, the anchor cable 5 is a bundle of a plurality of PC steel stranded wires (steel wires) 8, and the pilot cap attached to such an anchor cable 5 is conventionally ,
As shown by reference numeral 9 in Fig. 5, it has a cylindrical shape with a pointed end and a bottom, and a stranded PC steel wire 8 bound with adhesive tape 10 or the like is inserted into the cylindrical shape. be.
このパイロツトキヤツプ９の内径は、アンカー
ケーブル５を構成するPC鋼より線８の本数に応
じ、これらPC鋼より線８が圧入されて固定状態
となるよう設定されている。 The inner diameter of this pilot cap 9 is set according to the number of PC steel stranded wires 8 constituting the anchor cable 5 so that these PC steel stranded wires 8 are press-fitted and fixed.
［考案が解決しようとする課題］
ところで、上記パイロツトキヤツプ９のような
形式のパイロツトキヤツプによれば、PC鋼より
線８の本数に応じた内径を有するものを複数種類
用意せねばならず、また、PC鋼より線８間どう
しに空〓が介在しないから、各PC鋼より線８に
対するグラウト材６の接触面積が小となり、グラ
ウト材６の固着力に不足が生じる場合がある。[Problems to be solved by the invention] By the way, according to the pilot cap of the type like the pilot cap 9 described above, it is necessary to prepare a plurality of types having inner diameters corresponding to the number of PC steel stranded wires 8, and Since there is no air space between the PC steel wires 8, the contact area of the grout material 6 with each PC steel wire 8 is small, and the adhesion force of the grout material 6 may be insufficient.
［課題を解決するための手段］
本考案は上記課題を解決するためになされたも
のであつて、外筒部と内筒部の一端部が連結され
て略同軸の二重円筒状をなし、他端に開口して外
筒部内周面と内筒部外周面との間に形成される環
状の間〓は、該間〓にアースアンカーケーブルを
構成する鋼線が軸方向に圧入固定される距離に設
定され、外筒部内周面あるいは内筒部内周面の少
なくとも一方に、前記間〓に圧入された鋼線の両
筒部に対する周方向の移動を規制する突起が形成
されていることを特徴としている。[Means for Solving the Problems] The present invention has been made to solve the above problems, and includes one end of an outer cylinder part and an inner cylinder part connected to each other to form a substantially coaxial double cylinder shape, An annular space that is open at the other end and is formed between the inner circumferential surface of the outer cylinder and the outer circumferential surface of the inner cylinder is into which the steel wire that constitutes the earth anchor cable is press-fitted in the axial direction. A protrusion is formed on at least one of the inner peripheral surface of the outer cylinder part or the inner peripheral surface of the inner cylinder part to restrict movement of the steel wire press-fitted into the gap in the circumferential direction with respect to both cylinder parts. It is a feature.
［作用］
本考案のパイロツトキヤツプによれば、外筒部
と内筒部との間の間〓に対し、鋼線を突起に沿わ
せて軸方向に圧入することによりアンカーケーブ
ル端部に装着される。鋼線は突起によりパイロツ
トケーブルに対する周方向への移動が規制され、
相互の間隔があいた状態で固定される。このた
め、鋼線の本数に広く対応でき、また、各鋼線相
互間に間隔が保持されることにより、この間隔に
グラウト材が侵入して固着状態がより強固にな
る。[Function] According to the pilot cap of the present invention, the steel wire can be attached to the end of the anchor cable by press-fitting the steel wire along the protrusion in the axial direction between the outer cylinder part and the inner cylinder part. Ru. The steel wire is restricted from moving in the circumferential direction relative to the pilot cable by the protrusion.
They are fixed at a distance from each other. Therefore, it is possible to accommodate a wide range of numbers of steel wires, and by maintaining the spacing between each steel wire, the grout material penetrates into this spacing and the fixed state becomes stronger.
［実施例］
以下、第１図および第３図を参照して本考案の
実施例を説明する。[Example] Hereinafter, an example of the present invention will be described with reference to FIGS. 1 and 3.
図中符号１１は、複数本（この場合９本）の
PC鋼より線８が束ねられてなるアンカーケーブ
ルであり、１２がアンカーケーブル１１の端部に
装着される本考案に係るパイロツトキヤツプであ
る。 Reference numeral 11 in the figure indicates a plurality of (9 in this case)
This is an anchor cable made up of bundled PC steel strands 8, and 12 is a pilot cap according to the present invention that is attached to the end of the anchor cable 11.
このパイロツトキヤツプ１２は、若干の弾性を
有する硬質な合成樹脂により成形されたもので、
先端が円錐状に尖つた円筒状の外筒部１３と、外
筒部１３の約２倍の長さを有し、外筒部１３の先
端部にその一端が一体に連結され外筒部１３と同
軸的な内筒部１４とから構成されている。 This pilot cap 12 is molded from a hard synthetic resin with some elasticity.
The outer cylinder part 13 has a cylindrical shape with a conically pointed tip, and has a length approximately twice that of the outer cylinder part 13, and one end of which is integrally connected to the tip of the outer cylinder part 13. and a coaxial inner cylinder part 14.
外筒部１３の表面には、軸方向に延びるリブ１
５が周方向に間隔をおいて形成されている。この
リブ１５は、外筒部１３表面の損傷を防ぐもので
ある。また、この外筒部１３の後端周縁は、アン
カー孔からアンカーケーブル１１を引き抜く際
に、抵抗なくスムーズに引き抜かれる面取りがな
されている。 A rib 1 extending in the axial direction is provided on the surface of the outer cylinder portion 13.
5 are formed at intervals in the circumferential direction. This rib 15 prevents the surface of the outer cylinder portion 13 from being damaged. Further, the peripheral edge of the rear end of the outer cylindrical portion 13 is chamfered so that it can be pulled out smoothly without resistance when the anchor cable 11 is pulled out from the anchor hole.
外筒部１３内周面と内筒部１４外周面との間に
形成される他端に開口した環状の間〓１６の厚
さ、すなわち、両筒１３，１４間の距離は、PC
鋼より線８の直径より僅かに小とされている。こ
れにより、間〓１６にPC鋼より線８を軸方向に
沿つて挿入すると圧入状態となり、PC鋼より線
８は、外筒部１３内周面と内筒部１４外周面との
間に挟まれて固定されるよう設定されている。 The thickness of the annular space 16 that is open at the other end and is formed between the inner peripheral surface of the outer cylinder part 13 and the outer peripheral surface of the inner cylinder part 14, that is, the distance between the two cylinders 13 and 14 is PC
The diameter is slightly smaller than the diameter of the steel stranded wire 8. As a result, when the PC steel stranded wire 8 is inserted into the gap 16 along the axial direction, it becomes press-fitted, and the PC steel stranded wire 8 is sandwiched between the inner circumferential surface of the outer cylindrical portion 13 and the outer circumferential surface of the inner cylindrical portion 14. It is set to be fixed.
内筒部１４の外周面には、軸方向に沿つて延び
る断面半円弧状の突条（突起）１７が、周方向に
一定の間隔をおいて複数（この場合９本）形成さ
れ、これにより、突条１７間には、溝１８が形成
されている。突条１７間の間隔は、第３図に示す
ように、PC鋼より線８を溝１８に沿つて両筒１
３，１４間の間〓１６に圧入した際に、PC鋼よ
り線８の周面が、溝１８の両側の突条１７に当接
するようになつている。 On the outer peripheral surface of the inner cylindrical portion 14, a plurality of protrusions (protrusions) 17 having a semicircular arc cross section and extending along the axial direction are formed at regular intervals in the circumferential direction. , a groove 18 is formed between the protrusions 17. The spacing between the protrusions 17 is as shown in FIG.
When the prestressed PC steel wire 8 is press-fitted into the groove 16 between 3 and 14, the peripheral surface of the PC steel stranded wire 8 comes into contact with the protrusions 17 on both sides of the groove 18.
上記構成のパイロツトキヤツプ１２は、第１図
ないし第３図に示すように、PC鋼より線８の端
部を、溝１８に沿つて両筒部１３，１４間の間〓
１６に圧入することにより、９本のPC鋼より線
８からなるアンカーケーブル１１の端部に装着さ
れる。この際、PC鋼より線８は、両筒１３，１
４に挟まれ、かつ、溝１８の両側の突条１７に当
接することから、PC鋼より線８は、両筒部１３，
１４に対する周方向の移動が規制される。 As shown in FIGS. 1 to 3, the pilot cap 12 having the above-mentioned structure has an end portion of the prestressed steel stranded wire 8 inserted between the two cylindrical portions 13 and 14 along the groove 18.
16, it is attached to the end of an anchor cable 11 consisting of nine PC steel strands 8. At this time, the PC steel stranded wire 8 is
4 and in contact with the protrusions 17 on both sides of the groove 18, the PC steel stranded wire 8 is sandwiched between the two cylindrical parts 13,
Movement in the circumferential direction with respect to 14 is restricted.
上記パイロツトキヤツプ１２によれば、このパ
イロツトキヤツプ１２ひとつで、PC鋼より線８
により構成されるアンカーケーブルに対し、PC
鋼より線８が９本まで装着できるので、アンカー
ケーブルの種類すなわちPC鋼より線８の本数に
広く対応でき実用価値が高い。 According to the above pilot cap 12, one pilot cap 12 can produce 8 PC steel stranded wires.
Anchor cable consists of PC
Since up to nine steel stranded wires 8 can be attached, it can be widely used for various types of anchor cables, that is, the number of PC steel stranded wires 8, and has high practical value.
また、各PC鋼より線８相互間に間隔が保持さ
れることにより、この間隔にグラウト材が侵入し
てPC鋼より線８とグラウト材との固着状態がよ
り強固になる。 Furthermore, by maintaining the spacing between the PC steel wires 8, the grout material enters this space, and the adhesion between the PC steel wires 8 and the grout material becomes stronger.
なお、内筒部１４の内部に、アンカーケーブル
とされるPC鋼棒を圧入することにより、PC鋼棒
用のパイロツトキヤツプ１２としても使用でき
る。 In addition, by press-fitting a PC steel rod to be used as an anchor cable into the inner cylindrical portion 14, it can also be used as a pilot cap 12 for a PC steel rod.
また、本実施例では、内筒部１４の外周面に
PC鋼より線８の移動を規制する突条１７が形成
されているが、外筒部１３内周面にこのような突
条を形成したり、あるいは両筒部１３，１４の内
周面および外周面双方に突条を形成してもよい。 In addition, in this embodiment, the outer circumferential surface of the inner cylinder portion 14 is
A protrusion 17 is formed from PC steel to restrict the movement of the wire 8. However, such a protrusion 17 may be formed on the inner circumferential surface of the outer cylindrical portion 13, or the inner circumferential surface of both cylindrical portions 13 and Projections may be formed on both outer peripheral surfaces.
さらに、パイロツトキヤツプ１２の材質として
は、本実施例の硬質な合成樹脂の他に、十分な強
度を有する金属製、木製等でもよいが、この場合
であれば、錆びあるいは腐食等に強いものが好ま
しい。 In addition to the hard synthetic resin of this embodiment, the material of the pilot cap 12 may be metal, wood, etc. with sufficient strength; preferable.
［考案の効果］
以上説明したように、本考案のアースアンカー
ケーブルのパイロツトキヤツプによれば、外筒部
と内筒部の一端部が連結されて略同軸の二重円筒
状をなし、他端に開口して外筒部内周面と内筒部
外周面との間に形成される環状の間〓は、該間〓
にアースアンカーケーブルを構成する鋼線が軸方
向に圧入固定される距離に設定され、外筒部内周
面あるいは内筒部内周面の少なくとも一方に、前
記間〓に圧入された鋼線の両筒部に対する周方向
の移動を規制する突起が形成されていることを特
徴とするから、鋼線の本数に広く対応でき実用価
値が高く、また、各鋼線相互間に間隔が保持され
ることにより、この間隔にグラウト材が侵入して
固着状態がより強固になるといつた効果を奏す
る。[Effects of the invention] As explained above, according to the pilot cap of the earth anchor cable of the invention, one end of the outer cylindrical part and the inner cylindrical part are connected to form a substantially coaxial double cylindrical shape, and the other end An annular space opened between the inner circumferential surface of the outer cylinder and the outer circumferential surface of the inner cylinder is
The steel wire constituting the earth anchor cable is press-fitted to at least one of the inner peripheral surface of the outer cylinder part or the inner peripheral surface of the inner cylinder part, and the steel wires are press-fitted between the two cylinders. The feature is that a protrusion is formed to restrict movement in the circumferential direction with respect to the part, so it can be used with a wide range of numbers of steel wires, and has high practical value. The effect is that the grout material penetrates into this gap and the fixed state becomes stronger.
第１図ないし第３図は本考案の一実施例を示す
図であつて、第１図はその斜視図、第２図は側断
面図、第３図は第２図−線断面矢視図、第４
図はアースアンカーの施工状態を示す断面図、第
５図は従来のパイロツトキヤツプの斜視図であ
る。
８……PC鋼より線（鋼線）、１１……アースア
ンカーケーブル、１２……パイロツトキヤツプ、
１３……外筒部、１４……内筒部、１７……突条
（突起）。
1 to 3 are views showing one embodiment of the present invention, in which FIG. 1 is a perspective view thereof, FIG. 2 is a side sectional view, and FIG. 3 is a sectional view taken along the line 2-- , 4th
The figure is a sectional view showing the construction state of the earth anchor, and FIG. 5 is a perspective view of a conventional pilot cap. 8...PC steel stranded wire (steel wire), 11...Earth anchor cable, 12...Pilot cap,
13...Outer cylinder part, 14...Inner cylinder part, 17...Protrusion (protrusion).
Claims (1)
ケーブルの端部を覆つて装着され、該端部を保護
するアースアンカーケーブルのパイロツトキヤツ
プであつて、 外筒部と内筒部の一端部が連結されて略同軸の
二重円筒状をなし、他端に開口して外筒部内周面
と内筒部外周面との間に形成される環状の間〓
は、該間〓に前記鋼線が軸方向に圧入固定される
距離に設定され、外筒部内周面あるいは内筒部内
周面の少なくとも一方に、前記間〓に圧入された
鋼線の両筒部に対する周方向の移動を規制する突
起が形成されていることを特徴とするアースアン
カーケーブルのパイロツトキヤツプ。[Scope of Claim for Utility Model Registration] A pilot cap for an earth anchor cable that is attached to cover the end of an earth anchor cable formed by bundling a plurality of steel wires and protects the end, which comprises an outer cylindrical part and One end of the inner cylinder part is connected to form a substantially coaxial double cylinder shape, and the other end is open and an annular space is formed between the inner peripheral surface of the outer cylinder part and the outer peripheral surface of the inner cylinder part.
is set to a distance between which the steel wire is press-fitted and fixed in the axial direction, and the steel wire press-fitted into at least one of the inner circumferential surface of the outer cylinder part or the inner circumferential surface of the inner cylinder part is formed between the two cylinders. A pilot cap for an earth anchor cable, characterized in that a protrusion is formed to restrict movement in the circumferential direction with respect to the pilot cap.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP8879888U JPH0529240Y2 (en) | 1988-07-04 | 1988-07-04 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP8879888U JPH0529240Y2 (en) | 1988-07-04 | 1988-07-04 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH0211842U JPH0211842U (en) | 1990-01-25 |
| JPH0529240Y2 true JPH0529240Y2 (en) | 1993-07-27 |
Family
ID=31313358
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP8879888U Expired - Lifetime JPH0529240Y2 (en) | 1988-07-04 | 1988-07-04 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0529240Y2 (en) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP5638933B2 (en) * | 2010-12-22 | 2014-12-10 | 岡部株式会社 | Ground anchor tip cap and ground anchor |
| JP6308462B2 (en) * | 2014-04-28 | 2018-04-11 | 鹿島建設株式会社 | Spacer for cable deflection portion in outer cable structure, deflection portion structure and cable arrangement method thereof |
| KR102051553B1 (en) * | 2018-04-12 | 2019-12-05 | 주식회사 동아특수건설 | Tie cable binding device and its construction method |
-
1988
- 1988-07-04 JP JP8879888U patent/JPH0529240Y2/ja not_active Expired - Lifetime
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0211842U (en) | 1990-01-25 |
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