JPS58153816A - Reinforced cap device for pile head - Google Patents
Reinforced cap device for pile headInfo
- Publication number
- JPS58153816A JPS58153816A JP3525782A JP3525782A JPS58153816A JP S58153816 A JPS58153816 A JP S58153816A JP 3525782 A JP3525782 A JP 3525782A JP 3525782 A JP3525782 A JP 3525782A JP S58153816 A JPS58153816 A JP S58153816A
- Authority
- JP
- Japan
- Prior art keywords
- cap
- pile
- concrete
- hole
- pile head
- 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
- E02D9/00—Removing sheet piles bulkheads, piles, mould-pipes or other moulds or parts thereof
- E02D9/005—Removing sheet piles bulkheads, piles, mould-pipes or other moulds or parts thereof removing the top of placed piles of sheet piles
Landscapes
- Engineering & Computer Science (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)
- Structural Engineering (AREA)
- Piles And Underground Anchors (AREA)
- Working Measures On Existing Buildindgs (AREA)
Abstract
Description
【発明の詳細な説明】 本発明は、杭頭鉄筋キャップ装置に関するものである。[Detailed description of the invention] The present invention relates to a pile cap reinforcing bar cap device.
従来より、場所打ちコンクリート杭の施工の過程で杭頭
を、一定の高さに切りそろえる作業が必要テする。この
作業は杭を破損しないようにコンクリートをはつり、埋
込み鉄筋を所定長さだけ残して切り取るのである。しか
しながらこのはつり作業は手数を要して面倒である上、
コンクリートをはつり取る際に杭鉄筋を損傷させてしま
うことがあった。Conventionally, during the construction process of cast-in-place concrete piles, it has been necessary to trim the pile heads to a certain height. In this work, concrete is poured so as not to damage the piles, and the embedded reinforcing bars are cut away leaving only a predetermined length. However, this chiseling work is time-consuming and troublesome, and
There were cases where the pile reinforcing bars were damaged when removing concrete.
本発明の目的は、杭頭処理を容易にすることであり、他
の目的は杭鉄筋の損傷をなくすことにある。The purpose of the present invention is to facilitate pile cap processing, and another purpose is to eliminate damage to pile reinforcing bars.
以下本発明の実施例を図面に基づいて説明する。Embodiments of the present invention will be described below based on the drawings.
第１〜３図において、キャップ１は中央部に厚み方向に
貫通する貫通孔２を設けたドーナツ形状を有しこの例で
は貫通孔を中心として二つに分割可能であるキャップ片
３．３を合体しである。この各キャップ片は底板３ａと
天板３ｂとを内壁板３ｃで連結してなる断面コ字形状に
形成し、内壁板の両端は合体面３ｄ 、３ｄとなってい
る。両キャップ片３．３は、合体面３ｄ、３ｄで互いに
対接し、合体面に設けである孔４，４にボルト５゜５を
挿通し、ナツト６．６で締め付けることによ多結合・し
ている。キャップ片３，３の底板３ａ。In Figures 1 to 3, a cap 1 has a donut shape with a through hole 2 in the center that penetrates in the thickness direction, and in this example, a cap piece 3.3 that can be divided into two parts around the through hole. It is a combination. Each cap piece is formed into a U-shaped cross section by connecting a bottom plate 3a and a top plate 3b with an inner wall plate 3c, and both ends of the inner wall plate form combined surfaces 3d, 3d. Both cap pieces 3.3 face each other at the joining surfaces 3d, 3d, and are connected together by inserting bolts 5.5 into holes 4, 4 provided on the joining surfaces and tightening them with nuts 6.6. ing. Bottom plate 3a of cap pieces 3,3.
３ａには外周に沿って複数の取付は孔７・・・が設けで
ある。またキャップ片３，３の外側には開口部を覆う側
板８がビス９（第１図鎖線図示）で固定し、キャップ片
肉を閉止している。なお、側板８の取付は方法として第
４図に示すように合体面３ｄ 、３ｄの外端部に舌片１
０を設け、この舌片にビス（図示せず。）で側板を取り
付けて内部を閉止してもよい。3a is provided with a plurality of mounting holes 7 along the outer periphery. A side plate 8 covering the opening is fixed to the outside of the cap pieces 3, 3 with screws 9 (shown by chain lines in FIG. 1) to close the cap pieces. The side plate 8 can be attached by attaching a tongue piece 1 to the outer end of the combined surface 3d and 3d as shown in Fig. 4.
0 may be provided, and a side plate may be attached to this tongue piece with screws (not shown) to close the inside.
キャップ１は第１図に示すように杭鉄筋である鉄筋かと
１１に連結手段を介して取付は可能である。ここでこの
連結手段について説明する。鉄筋かご１１の各主筋１２
・・・の上端部には継手として例えばスリーブジヨイン
ト１３の後端が被嵌圧着しである。スリーブジヨイント
１３の先端開口から、連結ボルト１４が螺入可能である
。このボルトはキャップ１の取付は孔７・・・に挿通可
能である。As shown in FIG. 1, the cap 1 can be attached to a reinforcing bar 11, which is a pile reinforcing bar, via a connecting means. This connecting means will now be explained. Each main bar 12 of the reinforcing bar cage 11
. . . The rear end of a sleeve joint 13, for example, is fitted and crimped as a joint at the upper end. A connecting bolt 14 can be screwed into the opening at the tip of the sleeve joint 13. This bolt can be inserted into the hole 7 when attaching the cap 1.
次に作用を杭の施工とともに説明する。Next, the action will be explained along with the construction of the pile.
予め第１図に示すようにキャップ１を鉄筋かと１１の上
端部に取り付けておく。すなわち各主筋１２のスリーブ
ジヨイント１３′にキャップ底板３ａの取付は孔７・・
・を対向させてから、この孔にポル）１４を挿入し、こ
れを回すことによりボルトはスリーブジヨイントに螺入
し、その締め付けを行えば、キャップ１はボルト１４に
より鉄筋かとの主筋１２に固定される。その後、側板８
をキャップ１の外周にビス９・・・で固定し、キャップ
内部を閉止する。As shown in FIG. 1, the cap 1 is attached to the upper end of the reinforcing bar 11 in advance. In other words, the cap bottom plate 3a is attached to the sleeve joint 13' of each main reinforcing bar 12 through hole 7.
After inserting the pole (pol) 14 into this hole and turning it, the bolt will be screwed into the sleeve joint, and when tightened, the cap 1 will be attached to the main reinforcement 12 of the reinforcing bar by the bolt 14. Fixed. After that, side plate 8
is fixed to the outer periphery of the cap 1 with screws 9, and the inside of the cap is closed.
このようにしておいてから、まずキャップ１を取り付け
た鉄筋かと１１を、第５図に示すように地盤に掘削した
杭孔１５内に挿入、その後キャップ１の貫通孔？内にコ
ンクリート打設管であるトレミー管１６を貫通させ、鉄
筋がと１１内にセットする。ついでトレミー管を利用し
てコンクリート１７を打設する。この打設は、第６図に
示すようにキャップ１がこのコンクリートによって埋め
込まれるまで行って、杭１８を施工する。After doing this, first insert the reinforcing bar 11 with the cap 1 attached into the pile hole 15 drilled in the ground as shown in FIG. A tremie pipe 16, which is a concrete pouring pipe, is passed through the inside, and reinforcing bars are set inside the pipe 11. Next, concrete 17 is poured using a tremie pipe. This pouring is continued until the cap 1 is embedded in the concrete as shown in FIG. 6, and then the pile 18 is constructed.
コンクリート養生後、杭頭の囲りの地盤を掘り出して、
キャップ１を覆っているコンクリートをはつり取って、
第７甲に示すように杭頭１８ａを露出させる。その後、
キャップ１から側板８を取外し、続いてスリーブジヨイ
ント１３がら連結ボルト１４を抜き取って、キャップを
主筋１２より外す。キャップｌを取り外した後、スリー
ブジヨイント１３の先端開口よりアンカー筋１９の下端
のねじ部を螺入し、アンカー筋を主筋１２に連結起立さ
せる。After concrete curing, excavate the ground around the pile cap,
Peel off the concrete covering cap 1,
As shown in No. 7 A, the pile cap 18a is exposed. after that,
Remove the side plate 8 from the cap 1, then remove the connecting bolt 14 from the sleeve joint 13, and remove the cap from the main reinforcement 12. After removing the cap 1, the threaded portion at the lower end of the anchor bar 19 is screwed into the opening at the tip of the sleeve joint 13 to connect the anchor bar to the main bar 12 and make it stand up.
なお、キャップの底板３ａと天板３ｂとを分離し、側板
８を天板又は底板のいずれか一方に一体的に取り付けて
もよい。またキャップは必ずしもキャップ片を合体させ
たものに限られない。Note that the bottom plate 3a and top plate 3b of the cap may be separated, and the side plate 8 may be integrally attached to either the top plate or the bottom plate. Further, the cap is not necessarily limited to a combination of cap pieces.
例えば第９図に示すキャップ２０はキャップ体２１と底
板２２と支持片２３．２４とからなる。For example, a cap 20 shown in FIG. 9 includes a cap body 21, a bottom plate 22, and support pieces 23, 24.
底板２２にはボルトが挿通可能の取付は孔２２ａ・・・
が設けてあり、上面に対向して突片２５ 、２６が立設
しである。突片には孔２５ａ 、２６ｇが設けである。The bottom plate 22 has holes 22a for mounting through which bolts can be inserted.
is provided, and protrusions 25 and 26 are erected to face the upper surface. Holes 25a and 26g are provided in the protrusion.
また支持片２３．２４は互いに合体し、両端の支持部で
上記突片２５．２６を挾持し、孔２３ａ 、２３ａおよ
び孔２５ａ、２６ａを挿通するボルト（図示せず。）と
ナツトで固定可能であ”′る。そしてキャップ体２１を
底板２２上に載置することにより、キャップ内が密閉さ
れ、中央に貫通孔か形成される。Further, the support pieces 23 and 24 are combined with each other, and the protrusion pieces 25 and 26 are held between the support portions at both ends, and can be fixed with bolts (not shown) and nuts inserted through the holes 23a and 23a and the holes 25a and 26a. By placing the cap body 21 on the bottom plate 22, the inside of the cap is sealed and a through hole is formed in the center.
さらに第１０図にキャップの他の例を示す。すなわちキ
ャップ２７はキャップ体２８と底板２９とこの底板に取
り付けた支持片３０とからなる。Further, FIG. 10 shows another example of the cap. That is, the cap 27 consists of a cap body 28, a bottom plate 29, and a support piece 30 attached to the bottom plate.
底板２９は二つ割で、外周に沿って取付は孔２９ａ・・
・を設けである。また中央部に支持片３０が立ち上って
いる。支持片３０の両ｍＫ孔３０ｍ、３０ａが設けてあ
り、合体する支持片の両端をこの孔３０ｍ 、３０ｍを
介してボルトで結合可能である。The bottom plate 29 is divided into two parts, and there are holes 29a for mounting along the outer periphery.
・This is provided. Further, a support piece 30 stands up at the center. Both mK holes 30m and 30a of the support piece 30 are provided, and both ends of the support pieces to be combined can be connected with bolts through these holes 30m and 30m.
キャップに設ける取付は孔７．２２ａ 、２９ｍは底板
のみでなく、天板にも設けて、ボルト１４をキャンプに
貫通状態に取り付けてもよい。この場合には、コンクリ
ート打設時に、ボルト１４の頭部を弾性カバーで被覆し
ておく。The mounting holes 7.22a and 29m provided on the cap may be provided not only on the bottom plate but also on the top plate, and the bolts 14 may be attached to the camp in a penetrating state. In this case, the head of the bolt 14 is covered with an elastic cover during concrete pouring.
以上のように本発明によれば、はつり作業もキャップを
埋込んだコンクリートのみをはっ゛り取るだけであるの
で、はつり作業が容易でかっ杭頭鉄筋の損傷の問題は全
くない。As described above, according to the present invention, only the concrete in which the cap is embedded is removed during the chisel work, so the chisel work is easy and there is no problem of damage to the pile head reinforcing bars.
第１図は本発明の一実施例を示すキャップ装置の使用状
態断面図、
第２図は第１図１−１線断面図であって、連結ボルトの
頭部を省略している図、
第３図はキャップ片の斜視図、
第４図は他の実施例の横断面図、
第５〜８図は杭の施工作業を段階的に示す説明図、
第９図はキャップの他の実施例を示す斜視図、第１０図
はさらにキャップの他の実施例を示す斜視図である。
１・・・キャップ、２・・・貫通孔、３・・キャップ片
、３ａ・・底板、７・・・取付は孔、８・・側板、１０
・・・舌片、１１・・・鉄筋かご、１２・・・主筋、１
３・・・スＩＪ−プジョイント、１４・・連結ボルト、
１６・・・トレミー’１．１８・・・杭、１９・・・ア
ンカー筋、２０・・・キャップ、２１・・・キャップ体
、２２・・・底板、２２ａ・・・取付は孔、２３．２４
・・・支持片、２５．２６・・・突片、２７・・・キャ
ップ、２８・・・キャップ体、２９・・・・ｌ
底板、２９ａ・・・取付は孔、３０・・・支□持片。
以上
（７）
馬１図
第２図 壓４図
単９図
帛１０図FIG. 1 is a sectional view of a cap device in use, showing an embodiment of the present invention; FIG. 2 is a sectional view taken along the line 1-1 in FIG. 1, with the head of the connecting bolt omitted; Figure 3 is a perspective view of the cap piece, Figure 4 is a cross-sectional view of another embodiment, Figures 5 to 8 are explanatory diagrams showing the pile construction work step by step, and Figure 9 is another embodiment of the cap. FIG. 10 is a perspective view showing another embodiment of the cap. 1... Cap, 2... Through hole, 3... Cap piece, 3a... Bottom plate, 7... Mounting hole, 8... Side plate, 10
... Tongue piece, 11 ... Rebar cage, 12 ... Main reinforcement, 1
3... SP joint, 14... Connection bolt,
16... Tremy'1. 18... Pile, 19... Anchor bar, 20... Cap, 21... Cap body, 22... Bottom plate, 22a... Mounting hole, 23. 24
...Support piece, 25.26...Protruding piece, 27...Cap, 28...Cap body, 29...L Bottom plate, 29a...Mounting hole, 30...Support □ Holder. Above (7) Horse 1 Figure 2 Figure 4 Single 9 Figure 10
Claims (1)
在の貫通孔を貫設し、少なくとも底部に複数の取付は孔
を穿設し、内部を閉止可能である杭頭鉄筋キャップと、 杭鉄筋上端部に後端を取り付けた継手と、上記キャップ
の取付は孔に挿入しかつ継手の先端開口部より螺入可能
である連結ボルトと を具備する杭頭鉄筋キャップ装置。[Scope of Claims] A pile head having a through hole in the center thereof in the thickness direction through which a concrete pouring pipe can be freely inserted and removed, and at least a plurality of mounting holes in the bottom part so that the inside can be closed. A pile head reinforcing bar cap device comprising a reinforcing bar cap, a joint whose rear end is attached to the upper end of a pile reinforcing bar, and a connecting bolt that can be inserted into a hole and screwed into the opening at the tip of the joint to attach the cap.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP3525782A JPS58153816A (en) | 1982-03-08 | 1982-03-08 | Reinforced cap device for pile head |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP3525782A JPS58153816A (en) | 1982-03-08 | 1982-03-08 | Reinforced cap device for pile head |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS58153816A true JPS58153816A (en) | 1983-09-13 |
| JPS6122088B2 JPS6122088B2 (en) | 1986-05-30 |
Family
ID=12436756
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP3525782A Granted JPS58153816A (en) | 1982-03-08 | 1982-03-08 | Reinforced cap device for pile head |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS58153816A (en) |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2001011852A (en) * | 1999-06-29 | 2001-01-16 | Maeda Corp | Reinforced concrete pile for pile foundation work |
| JP2003105756A (en) * | 2001-09-28 | 2003-04-09 | Nishimatsu Constr Co Ltd | Pile head treating tool and pile head treating method |
| CN101832030A (en) * | 2010-03-25 | 2010-09-15 | 中冶实久建设有限公司 | Method for preventing steel pipe column surface from being stained during construction of concrete lift-up method |
| FR3038627A1 (en) * | 2015-07-10 | 2017-01-13 | Soletanche Freyssinet | METHOD FOR MANUFACTURING A FOUNDATION COMPRISING A RECEPAGE STEP |
| CN108708377A (en) * | 2018-04-23 | 2018-10-26 | 江苏省交通工程集团有限公司 | A kind of bridge struction pile pile crown is broken to cut device and application method |
| CN110258562A (en) * | 2019-06-28 | 2019-09-20 | 成都明杰科技有限公司 | A kind of accessible cleaning plant of discarded stake |
| JP2022133967A (en) * | 2021-03-02 | 2022-09-14 | 東急建設株式会社 | Pile head connection structure and method for constructing pile head connection structure |
-
1982
- 1982-03-08 JP JP3525782A patent/JPS58153816A/en active Granted
Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2001011852A (en) * | 1999-06-29 | 2001-01-16 | Maeda Corp | Reinforced concrete pile for pile foundation work |
| JP2003105756A (en) * | 2001-09-28 | 2003-04-09 | Nishimatsu Constr Co Ltd | Pile head treating tool and pile head treating method |
| JP4683800B2 (en) * | 2001-09-28 | 2011-05-18 | 西松建設株式会社 | Pile head treatment tool and pile head treatment method |
| CN101832030A (en) * | 2010-03-25 | 2010-09-15 | 中冶实久建设有限公司 | Method for preventing steel pipe column surface from being stained during construction of concrete lift-up method |
| FR3038627A1 (en) * | 2015-07-10 | 2017-01-13 | Soletanche Freyssinet | METHOD FOR MANUFACTURING A FOUNDATION COMPRISING A RECEPAGE STEP |
| WO2017009541A1 (en) * | 2015-07-10 | 2017-01-19 | Soletanche Freyssinet | Method for constructing a foundation including a topping step |
| CN108708377A (en) * | 2018-04-23 | 2018-10-26 | 江苏省交通工程集团有限公司 | A kind of bridge struction pile pile crown is broken to cut device and application method |
| CN108708377B (en) * | 2018-04-23 | 2020-05-26 | 江苏省交通工程集团有限公司 | Pile head breaking and shearing device for bridge cast-in-place pile and using method |
| CN110258562A (en) * | 2019-06-28 | 2019-09-20 | 成都明杰科技有限公司 | A kind of accessible cleaning plant of discarded stake |
| JP2022133967A (en) * | 2021-03-02 | 2022-09-14 | 東急建設株式会社 | Pile head connection structure and method for constructing pile head connection structure |
Also Published As
| Publication number | Publication date |
|---|---|
| JPS6122088B2 (en) | 1986-05-30 |
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