JP2004019332A - Joint structure of steel pipe column and steel pipe pile, and construction method - Google Patents

Joint structure of steel pipe column and steel pipe pile, and construction method Download PDF

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Publication number
JP2004019332A
JP2004019332A JP2002178073A JP2002178073A JP2004019332A JP 2004019332 A JP2004019332 A JP 2004019332A JP 2002178073 A JP2002178073 A JP 2002178073A JP 2002178073 A JP2002178073 A JP 2002178073A JP 2004019332 A JP2004019332 A JP 2004019332A
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JP
Japan
Prior art keywords
steel pipe
pile
bolt
pile head
head plate
Prior art date
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Granted
Application number
JP2002178073A
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Japanese (ja)
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JP3843896B2 (en
Inventor
Takayuki Nanba
難波　隆行
Shigeki Ito
伊藤　茂樹
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JFE Steel Corp
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JFE Steel Corp
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Abstract

<P>PROBLEM TO BE SOLVED: To provide a joint structure and a joint method for steel pipe column and steel pipe pile facilitating the replacement and perpendicularity adjustment of steel pipe columns. <P>SOLUTION: In the joint structure, a bolt for fastening a base plate of a steel pipe column is fastened to a pile head plate, and then the base plate is joined with a nut screwed to the bolt, so that the steel pipe column is perpendicular. If necessary, the pile head plate has a cutout part dimensioned to allow bolt fastening work and shielded after fastening the pile head plate. Or instead of shielding the cutout part, a partition plate is provided in the steel pipe pile. A cavity part between the base plate and the pile head plate is filled with concrete or grout mortar. In the construction method, the bolt is fastened to the pile head plate, and then the bolt is inserted through a bolt hole of the base plate of the steel pipe column. After adjusting the perpendicularity of the steel pipe column by a screwed lower nut, fastening by an upper nut is performed. The cavity part between the pile head plate and the base plate of the steel pipe column is then filled with concrete or grout mortar. <P>COPYRIGHT: (C)2004,JPO

Description

【０００１】
【発明の属する技術分野】
本発明は鋼管柱と鋼管杭の接合構造およびその接合方法に関わり、特に鋼管柱の交換および鉛直度調整が容易で、店舗の看板等に用いらる鋼管柱の接合に適したものに関する。
【０００２】
【従来の技術】
建築物の柱と杭の接合において、鋼管杭を用いる場合、杭と柱が直接ボルト接合されるため、杭の施工には高い施工精度が要求され、一方、鉄筋コンクリート製基礎を用いた場合は現場施工期間が長く、工期上の負担が大きい。
【０００３】
そこで、現場施工期間の短い鋼管杭を用いた接合構造において、容易に柱の鉛直度調整が可能で、上部構造物の荷重を基礎である杭に伝達することが可能な接合構造が求められ、従来より種々の提案がなされている。
【０００４】
特開２００１−２０７４６１号公報は、鉄筋コンクリート製基礎にアンカーボルトを埋め込み、柱脚に取りつけたベースプレートをアンカーボルトで固定する方法を提案している（図６）。
【０００５】
特開平１１−１８１７９１号公報は、鋼管杭と鋼管柱の応力伝達を効率良く行う接合構造に関し、鋼管杭と該杭径より小径な鋼管柱を組合せ、鋼管柱を挿入後、コンクリートを充填することを提案している（図７）。
【０００６】
【発明が解決しようとする課題】
しかしながら、特開２００１−２０７４６１号公報記載の方法のように、鉄筋コンクリート製基礎を用いる方法は現場施工に多大な工数が必要で、また柱と杭を直接ボルト接合するため、杭の施工に高い精度が要求される。
【０００７】
また、特開平１１−１８１７９２号公報記載の方法では、柱と杭に用いられる鋼管径を大小とし、その空隙によって杭の施工誤差による建築物への影響を吸収するが、柱と杭の脱着が難しく上部構造物の再利用は容易でない。
【０００８】
そこで、本発明は施工期間が短く、且つ柱と杭の脱着および柱の鉛直精度の調整が容易な接合構造を提案する。
【０００９】
【課題を解決するための手段】
上記課題を解決するため本発明では以下の手段を採用した。
１．鋼管柱のベースプレートと杭頭プレートをボルトによって接合する接合構造であって、杭頭プレートに鋼管柱ベースプレート締結用ボルトを固着後、該ボルトに螺着するナットで前記ベースプレートを鋼管柱が鉛直となるように接合し、前記ベースプレートと前記杭頭プレート間の空隙部はコンクリート又はグラウトモルタルで充填させたことを特徴とする鋼管柱と鋼管杭の接合構造。
２．杭頭プレートに、杭頭プレートへのボルト固着作業が可能な寸法で、ボルト締結後に遮蔽された切欠き部を有していることを特徴とする１記載の鋼管柱と鋼管杭の接合構造。
【００１０】
３．杭頭プレートに、杭頭プレートへのボルト固着作業が可能な寸法の切欠き部を有し、鋼管杭内には仕切り板を有している１記載の鋼管柱と鋼管杭の接合構造。
【００１１】
４．鋼管柱と鋼管杭を接合する方法であって、杭頭プレートにボルトを固着後、該ボルトを鋼管柱ベースプレートのボルト孔に挿通し、螺着する下ナットにより鋼管柱の鉛直度を調整後、上ナットにより締結し、その後、杭頭プレートと鋼管柱ベースプレート間の空隙部をコンクリート又はグラウトモルタルで充填することを特徴とする鋼管柱と鋼管杭のボルト接合方法。
【００１２】
【発明の実施の形態】
以下、本発明の実施の形態を、図面に基づいて説明する。本発明において杭頭プレートと鋼管柱ベースプレートの接合に用いるボルトには、以下の実施例に説明するように全ネジ棒及び杭頭プレートへの植え込みボルトも含むものとする。
【００１３】
図１（イ）、（ロ）は、本発明の一実施の形態である鋼管柱と鋼管杭の接合構造を示した図で、図１（イ）は、鋼管柱ベースプレートと杭頭プレート間の空隙部をコンクリート又はグラウトモルタルで充填する前の接合構造を示す。
【００１４】
図１（イ）中に示すように、鋼管柱１と鋼管杭３は、全ネジ棒６によって接合される。全ネジ棒６は鋼管柱ベースプレート２と杭頭プレート４のボルト孔を挿通し、全ネジ棒６に螺着した上ナット５ａ，下ナット５ｂ，上ナット５ｃ，下ナット５ｄにより鋼管柱ベースプレート２と杭頭プレート４を固定する。
【００１５】
この際、杭頭プレート４に全ネジ棒６を上ナット５ｃ、下ナット５ｄで固定し、しかる後に、鋼管柱ベースプレート２のボルト孔に前記全ネジ棒６を挿通し、鋼管柱１の鉛直度を下ナット５ｂにより調整後、上ナット５ａにより締結する。
【００１６】
鋼管柱１の鉛直度調整のため前記ベースプレート２と前記杭頭プレート４の間に空隙７を設ける。
【００１７】
図１（ロ）は、鋼管柱１の鉛直度を調整後、前記ベースプレート２と前記杭頭プレート４の間の空隙７を、柱ー杭間の圧縮応力、せん断応力を伝達させるため充填物９で埋めた状態を示す。
【００１８】
充填物９としてコンクリート又はグラウトモルタルが望ましく、空隙７の側面を型枠８で完全に覆う形で配置した後、前記ベースプレート２設けた打設孔より注入する。
【００１９】
図２は上記実施例の貫通する全ネジ棒６にかわり、杭頭プレート４に植え込んだネジ棒１５を用いた場合、図３は全ネジ棒６に変わり、ボルト１０を杭頭プレート４の下面側からボルト孔に挿通後、螺着したナット５ｃにより固定した後、鋼管柱ベースプレート２のボルト孔に挿通し、下ナット５ａにより鋼管柱１の鉛直度を調整しながら上ナット５ｂにより鋼管柱ベースプレート２に接合する状況を示している。
【００２０】
この際、ボルト１０、ナット５ｃによる鉛直度の調整を容易にするため、さらばね座金１１ａ，１１ｂを杭頭プレートに対し逆ハの字状になるように用いることができる。
【００２１】
図４は、請求項２に係る発明の一実施例で、杭頭プレート４は、該プレートのボルト孔を挿通する全ねじ棒６を上ナット５ｃ，下ナット５ｄで杭３内において締結するために切り欠き部（ボルト施工用孔）１１を有し、該切り欠き部１１は遮蔽板１２により、杭頭プレート４に全ねじ棒６を固着後で、コンクリート又はグラウトモルタル充填前の任意の時期に遮蔽される。
【００２２】
図５は、請求項３に係る発明の一実施例で、杭３内に空隙充填用の充填物が落下するのを防止する仕切り板１３を有している。空隙部７と仕切り板１３より上部の杭内を充填物により充填させ、杭頭プレートの載荷能力を向上させる。
【００２３】
【発明の効果】
本発明によれば、鋼管柱と鋼管杭の接合、脱着作業が簡便で、且つ鋼管柱の鉛直度の調整が容易な柱と杭の接合構造が得られ、産業上極めて有用である。
【図面の簡単な説明】
【図１】（イ）本発明に係る柱と杭の接合構造の一実施形態で、全ネジ棒により杭頭プレートと鋼管柱ベースプレートを接合後、両者の空隙を充填する前の状態を示す図。
（ロ）空隙充填後の状態を示す図。
【図２】本発明に係る柱と杭の接合構造の一実施形態で、植え込み型ネジ棒による接合構造において、杭頭プレートと鋼管柱ベースプレート間の空隙を充填前の状態を示す図。
【図３】本発明に係る柱と杭の接合構造の一実施形態で、貫通ボルトを用いた場合の接合状況を示す図。
【図４】本発明に係る柱と杭の接合構造の一実施形態で、全ネジ棒を用いた場合において、杭頭プレートのボルト接合用孔を遮蔽板で遮蔽する状況を示す図。
【図５】本発明に係る柱と杭の接合構造の一実施形態で、全ネジ棒を用いた場合において、杭内の充填物落下防止用仕切り板の設置状況を示す図。
【図６】従来の杭と柱の接合構造の一例を示す図。
【図７】従来の杭と柱の接合構造の一例を示す図。
【符号の説明】
１　　　　　鋼管柱
２　　　　　鋼管柱ベースプレート
３　　　　　鋼管杭
４　　　　　杭頭プレート
５ａ〜ｄ　　ナット（５ａ　下ナット、５ｂ　上ナット、５ｃ　上ナット、
５ｄ　下ナット）
６　　　　　全ネジ棒
７　　　　　杭頭プレートと鋼管柱ベースプレート間の空隙
８　　　　　充填用型枠
９　　　　　充填物
１０　　　　貫通ボルト
１１ａ，ｂ　さらばね座金
１２　　　　杭頭プレート切り欠き用遮蔽板
１３　　　　杭頭プレート切り欠き部
１４　　　　杭内仕切り板
１５　　　　植え込み全ねじ棒
１６　　　　　シース管
１７　　　　　基礎梁主筋
１８　　　　　　　　あばら筋
１９　　　　　　　　フープ筋
２０　　　　　コンクリート
２１　　　　　鞘管[0001]
TECHNICAL FIELD OF THE INVENTION
The present invention relates to a joint structure between a steel pipe column and a steel pipe pile and a method for joining the same, and more particularly to a steel pipe pile which is easy to replace and adjust the verticality, and is suitable for joining a steel pipe column used for a signboard of a store or the like.
[0002]
[Prior art]
When steel pipe piles are used to join building columns and piles, the piles and columns are directly bolted together, so high construction accuracy is required for pile construction.On the other hand, when a reinforced concrete foundation is used, The construction period is long, and the burden on the construction period is large.
[0003]
Therefore, in a joint structure using steel pipe piles with a short on-site construction period, a joint structure that can easily adjust the verticality of the column and transmit the load of the upper structure to the foundation pile is required, Conventionally, various proposals have been made.
[0004]
Japanese Patent Laying-Open No. 2001-207461 proposes a method of embedding anchor bolts in a reinforced concrete foundation and fixing a base plate attached to a column base with anchor bolts (FIG. 6).
[0005]
Japanese Patent Laying-Open No. 11-181791 relates to a joint structure for efficiently transmitting stress between a steel pipe pile and a steel pipe column, combining a steel pipe pile and a steel pipe column smaller in diameter than the pile diameter, filling the steel pipe column, and then filling concrete. (FIG. 7).
[0006]
[Problems to be solved by the invention]
However, a method using a reinforced concrete foundation, such as the method described in Japanese Patent Application Laid-Open No. 2001-207461, requires a large number of man-hours for on-site construction, and since a pillar and a pile are directly bolted to each other, high accuracy is required for construction of the pile. Is required.
[0007]
In the method described in Japanese Patent Application Laid-Open No. 11-181792, the diameter of a steel pipe used for a pillar and a pile is made large and small, and the gap absorbs the influence on the building due to a construction error of the pile. It is difficult and it is not easy to reuse the superstructure.
[0008]
Therefore, the present invention proposes a joint structure in which the construction period is short, and the attachment and detachment of the column and the pile and the adjustment of the vertical accuracy of the column are easy.
[0009]
[Means for Solving the Problems]
To solve the above problems, the present invention employs the following solutions.
1. This is a joint structure in which a base plate of a steel pipe column and a pile head plate are joined by bolts, and after fixing a steel tube column base plate fastening bolt to the pile head plate, the steel tube column is vertically attached to the base plate with a nut screwed to the bolt. And a gap between the base plate and the pile head plate is filled with concrete or grout mortar.
2. 2. The joint structure between a steel pipe column and a steel pipe pile according to claim 1, wherein the pile head plate has a notch portion which is dimensioned to enable bolt fixing work to the pile head plate and is shielded after bolt fastening.
[0010]
3. 2. The joint structure between a steel pipe column and a steel pipe pile according to claim 1, wherein the pile head plate has a cutout portion having a size capable of fixing bolts to the pile head plate, and a partition plate is provided in the steel pipe pile.
[0011]
4. A method of joining a steel pipe column and a steel pipe pile, in which a bolt is fixed to a pile head plate, the bolt is inserted into a bolt hole of a steel pipe column base plate, and after adjusting the verticality of the steel pipe column with a lower nut to be screwed, A bolt joining method between a steel pipe column and a steel pipe pile, wherein the bolt is fastened by an upper nut, and then a gap between the pile head plate and the steel pipe column base plate is filled with concrete or grout mortar.
[0012]
BEST MODE FOR CARRYING OUT THE INVENTION
Hereinafter, embodiments of the present invention will be described with reference to the drawings. In the present invention, the bolts used for joining the pile head plate and the steel pipe column base plate include all screw rods and bolts to be implanted in the pile head plate as described in the following embodiments.
[0013]
FIGS. 1A and 1B are views showing a joint structure between a steel pipe column and a steel pipe pile according to an embodiment of the present invention. FIG. 1A shows a structure between a steel pipe column base plate and a pile head plate. 3 shows a joint structure before filling a void portion with concrete or grout mortar.
[0014]
As shown in FIG. 1A, the steel pipe column 1 and the steel pipe pile 3 are joined by a full screw rod 6. All the screw rods 6 are inserted through the bolt holes of the steel pipe column base plate 2 and the pile head plate 4, and are connected to the steel pipe column base plate 2 by the upper nut 5 a, the lower nut 5 b, the upper nut 5 c, and the lower nut 5 d screwed to the entire screw rod 6. The pile head plate 4 is fixed.
[0015]
At this time, all the screw rods 6 are fixed to the pile head plate 4 with the upper nut 5c and the lower nut 5d. Thereafter, the all screw rods 6 are inserted into the bolt holes of the steel pipe column base plate 2, and the verticality of the steel pipe column 1 is increased. Is adjusted by the lower nut 5b and then fastened by the upper nut 5a.
[0016]
A gap 7 is provided between the base plate 2 and the pile head plate 4 for adjusting the verticality of the steel pipe column 1.
[0017]
FIG. 1 (b) shows that after adjusting the verticality of the steel pipe column 1, the gap 7 between the base plate 2 and the pile head plate 4 is filled with a filler 9 for transmitting compressive stress and shear stress between the column and the pile. Indicates a state filled with.
[0018]
Concrete or grout mortar is desirably used as the filling material 9. The filling material 9 is placed so as to completely cover the side surface of the cavity 7 with the mold 8, and then poured from the casting hole provided in the base plate 2.
[0019]
FIG. 2 shows a case where the threaded rod 15 implanted in the pile head plate 4 is used in place of the penetrating whole screw rod 6 of the above embodiment, and FIG. After inserting the bolt into the bolt hole from the side, fixing it with the screwed nut 5c, then inserting it into the bolt hole of the steel tube column base plate 2, adjusting the verticality of the steel tube column 1 with the lower nut 5a, and adjusting the verticality of the steel tube column 1 with the upper nut 5b. 2 shows the state of joining.
[0020]
At this time, in order to facilitate the adjustment of the verticality by the bolt 10 and the nut 5c, the flat spring washers 11a and 11b can be used so as to form an inverted C shape with respect to the pile head plate.
[0021]
FIG. 4 shows an embodiment of the invention according to claim 2, in which the pile head plate 4 is used to fasten the entire threaded rod 6 inserted through the bolt hole of the plate in the pile 3 with the upper nut 5c and the lower nut 5d. Has a notch (bolt construction hole) 11, and the notch 11 is fixed at any time after the entire screw rod 6 is fixed to the pile head plate 4 by the shielding plate 12 and before filling with concrete or grout mortar. Shielded.
[0022]
FIG. 5 shows an embodiment according to the third aspect of the present invention, in which a partition plate 13 for preventing a filling material for filling a void from dropping into a pile 3 is provided. The inside of the pile above the gap 7 and the partition plate 13 is filled with the filler, and the loading capacity of the pile head plate is improved.
[0023]
【The invention's effect】
ADVANTAGE OF THE INVENTION According to this invention, the connection and detachment | attachment operation | work of a steel pipe pillar and a steel pipe pile are easy, and the joint structure of a pillar and a pile which can adjust the verticality of a steel pipe pillar easily is obtained, and it is very useful industrially.
[Brief description of the drawings]
FIG. 1 (a) shows an embodiment of a joint structure between a column and a pile according to the present invention, in which a pile head plate and a steel tube column base plate are joined by a total screw bar, and before the gaps between them are filled. .
(B) A diagram showing a state after filling of voids.
FIG. 2 is a view showing one embodiment of a joint structure between a pillar and a pile according to the present invention, in a joint structure using an implantable screw rod, before filling a gap between a pile head plate and a steel pipe column base plate.
FIG. 3 is a view showing a joint state when a through bolt is used in one embodiment of the joint structure between a pillar and a pile according to the present invention.
FIG. 4 is a diagram showing a situation in which a bolt joining hole of a pile head plate is shielded by a shielding plate when all threaded rods are used in one embodiment of the pillar-pile joining structure according to the present invention.
FIG. 5 is a view showing an installation state of a partition for preventing falling of a filler material in a pile in the embodiment of the joint structure between a pillar and a pile according to the present invention, in which all screw rods are used.
FIG. 6 is a diagram showing an example of a conventional joint structure between a pile and a column.
FIG. 7 is a view showing an example of a conventional joint structure between a pile and a column.
[Explanation of symbols]
Reference Signs List 1 steel pipe column 2 steel pipe column base plate 3 steel pipe pile 4 pile head plate 5a-d nut (5a lower nut, 5b upper nut, 5c upper nut,
5d lower nut)
Reference Signs List 6 All threaded rod 7 Air gap between pile head plate and steel tube column base plate 8 Filling form 9 Filling material 10 Penetration bolt 11a, b Flat spring washer 12 Pile head plate notch shielding plate 13 Pile head plate notch 14 Pile Internal partition plate 15 Implanted all screw rod 16 Sheath tube 17 Foundation beam main bar 18 Stirrup 19 Hoop bar 20 Concrete 21 Sheath tube

Claims (4)

鋼管柱のベースプレートと杭頭プレートをボルトによって接合する接合構造であって、杭頭プレートに鋼管柱ベースプレート締結用ボルトを固着後、該ボルトに螺着するナットで前記ベースプレートを鋼管柱が鉛直となるように接合し、前記ベースプレートと前記杭頭プレート間の空隙部はコンクリート又はグラウトモルタルで充填させたことを特徴とする鋼管柱と鋼管杭の接合構造。This is a joint structure in which a base plate of a steel pipe column and a pile head plate are joined by bolts, and after fixing a steel tube column base plate fastening bolt to the pile head plate, the steel tube column is vertically attached to the base plate with a nut screwed to the bolt. And a gap between the base plate and the pile head plate is filled with concrete or grout mortar. 杭頭プレートに、杭頭プレートへのボルト固着作業が可能な寸法で、ボルト締結後に遮蔽された切欠き部を有していることを特徴とする請求項１記載の鋼管柱と鋼管杭の接合構造。2. The joint between a steel pipe column and a steel pipe pile according to claim 1, wherein the pile head plate has a cutout portion which is dimensioned to enable bolt fixing work to the pile head plate and is shielded after bolt fastening. Construction. 杭頭プレートに、杭頭プレートへのボルト固着作業が可能な寸法の切欠き部を有し、鋼管杭内には仕切り板を有している請求項１記載の鋼管柱と鋼管杭の接合構造。2. A joint structure between a steel pipe column and a steel pipe pile according to claim 1, wherein the pile head plate has a cutout portion having a size capable of fixing bolts to the pile head plate, and a partition plate is provided in the steel pipe pile. . 鋼管柱と鋼管杭を接合する方法であって、杭頭プレートにボルトを固着後、該ボルトを鋼管柱ベースプレートのボルト孔に挿通し、螺着する下ナットにより鋼管柱の鉛直度を調整後、上ナットにより締結し、その後、杭頭プレートと鋼管柱ベースプレート間の空隙部をコンクリート又はグラウトモルタルで充填することを特徴とする鋼管柱と鋼管杭のボルト接合方法。A method of joining a steel pipe column and a steel pipe pile, after fixing a bolt to the pile head plate, inserting the bolt into a bolt hole of the steel pipe column base plate, adjusting the verticality of the steel pipe column with a lower nut to be screwed, A bolt joining method for a steel pipe column and a steel pipe pile, wherein the bolt is fastened by an upper nut, and then a gap between the pile head plate and the steel pipe column base plate is filled with concrete or grout mortar.
JP2002178073A 2002-06-19 2002-06-19 Structure and construction method of steel pipe column and steel pipe pile Expired - Fee Related JP3843896B2 (en)

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Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2005213821A (en) * 2004-01-28 2005-08-11 Natl Inst For Land & Infrastructure Management Mlit Joint structure of steel frame member and joining method
JP2011223963A (en) * 2010-04-23 2011-11-10 Nihon Rocki Kogyo Kk Electric fence system
CN102561382A (en) * 2010-12-08 2012-07-11 上海市南供电设计有限公司 Steel pipe pile
CN102900091A (en) * 2012-11-06 2013-01-30 中铁大桥局集团第六工程有限公司 Pile foundation construction platform and erection method thereof
GB2500114A (en) * 2012-03-06 2013-09-11 Trylon Tsf Inc Foundation for a pole
CN109702886A (en) * 2019-02-19 2019-05-03 河北工业大学 Preparation facilities and preparation method in a kind of miniature grouting steel pipe pile room
CN114278011A (en) * 2021-12-30 2022-04-05 上海建工四建集团有限公司 Special-shaped steel pipe column concrete construction structure and construction method

Cited By (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2005213821A (en) * 2004-01-28 2005-08-11 Natl Inst For Land & Infrastructure Management Mlit Joint structure of steel frame member and joining method
JP2011223963A (en) * 2010-04-23 2011-11-10 Nihon Rocki Kogyo Kk Electric fence system
CN102561382A (en) * 2010-12-08 2012-07-11 上海市南供电设计有限公司 Steel pipe pile
CN102561382B (en) * 2010-12-08 2014-01-08 上海市南供电设计有限公司 Steel pipe pile
GB2500114A (en) * 2012-03-06 2013-09-11 Trylon Tsf Inc Foundation for a pole
CN102900091A (en) * 2012-11-06 2013-01-30 中铁大桥局集团第六工程有限公司 Pile foundation construction platform and erection method thereof
CN102900091B (en) * 2012-11-06 2015-04-29 中铁大桥局集团第六工程有限公司 Pile foundation construction platform erection method
CN109702886A (en) * 2019-02-19 2019-05-03 河北工业大学 Preparation facilities and preparation method in a kind of miniature grouting steel pipe pile room
CN114278011A (en) * 2021-12-30 2022-04-05 上海建工四建集团有限公司 Special-shaped steel pipe column concrete construction structure and construction method

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