JP3366727B2 - Joint pile method of steel pipe pile - Google Patents
Joint pile method of steel pipe pileInfo
- Publication number
- JP3366727B2 JP3366727B2 JP09701094A JP9701094A JP3366727B2 JP 3366727 B2 JP3366727 B2 JP 3366727B2 JP 09701094 A JP09701094 A JP 09701094A JP 9701094 A JP9701094 A JP 9701094A JP 3366727 B2 JP3366727 B2 JP 3366727B2
- Authority
- JP
- Japan
- Prior art keywords
- steel pipe
- pipe pile
- inner sheath
- hole
- pile
- 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
Links
Landscapes
- Piles And Underground Anchors (AREA)
- Joining Of Building Structures In Genera (AREA)
Description
【０００１】[0001]
【産業上の利用分野】本発明は、土木・建築、海洋構造
物等の分野における鋼管杭の継ぎ杭方法に関する。特
に、山岳傾斜地での地滑り対策として施工される抑止杭
として用いる鋼管杭の継ぎ杭方法に関する。BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a method for jointing steel pipe piles in the fields of civil engineering / construction, marine structures and the like. In particular, the present invention relates to a method for connecting steel pipe piles used as a restraining pile to prevent landslides on a mountain slope.
【０００２】[0002]
【従来の技術】従来、鋼管杭の継ぎ杭方法について、特
開平３−９０７０５号公報が開示されている。特開平３
−９０７０５号公報には、図２０において示すように、
上鋼管杭の先端内腔に補強内鞘管をほぼ半分長を挿入
後、上鋼管杭と補強内鞘管のほぼ半分長の間隙を充填材
により固着しておき、ついで上鋼管杭の先端から突出し
た補強内鞘管のほぼ半分長を下鋼管杭の内腔に挿入し、
さらに上鋼管杭の先端から突出した補強内鞘管のほぼ半
分長と下鋼管杭を接合して、逐次建込みを行なう鋼管杭
の継ぎ杭方法を開示している。2. Description of the Related Art Conventionally, Japanese Patent Application Laid-Open No. 3-90705 discloses a method for jointing steel pipe piles. JP-A-3
In the -90705 publication, as shown in FIG.
After inserting the reinforcing inner sheath tube approximately half the length into the inner lumen of the upper steel pipe pile, fix the gap of approximately half length between the upper steel pipe pile and the reinforcing inner sheath pipe with the filling material, and then from the tip of the upper steel pipe pile. Insert approximately half the length of the protruding inner sheath tube into the inner cavity of the lower steel pipe pile,
Further, a joint pile method for steel pipe piles is disclosed, in which approximately half the length of the reinforcing inner sheath pipe protruding from the tip of the upper steel pipe pile and the lower steel pipe pile are joined to perform successive construction.
【０００３】[0003]
【発明が解決しようとする課題】しかしながら、予め上
鋼管杭の先端内腔に補強内鞘管をほぼ半分長を挿入固着
しておく構造のため、補強内鞘管の鋼管杭への挿入・固
定が、上鋼管杭と下鋼管杭とで別々の時点での作業とな
るため継手の費用を大いに嵩ませ、本工法の適用性を著
しく狭めてきた。図２２および図２３は従来の技術を示
すもので、上鋼管杭３の下端４内腔に補強内鞘管５をほ
ぼ半分長を挿入後、上鋼管杭３と補強内鞘管５のほぼ半
分長の間隙６を充填材により固着しておき、ついで上鋼
管杭３の下端４から突出した補強内鞘管５のほぼ半分長
を下鋼管杭１の内腔に挿入し、さらに上鋼管杭３の下端
４から突出した補強内鞘管５のほぼ半分長と下鋼管杭１
とを接合して、逐次建込みを行なう鋼管杭の継ぎ杭方法
を示す図である。However, since the reinforcing inner sheath tube is inserted and fixed in the distal end cavity of the upper steel pipe pile in an approximately half length in advance, the reinforcing inner sheath pipe is inserted and fixed to the steel pipe pile. However, since the work for the upper steel pipe pile and the work for the lower steel pipe pile are performed at different times, the cost of the joint is greatly increased, and the applicability of this method has been significantly narrowed. 22 and 23 show a conventional technique. After inserting the reinforcing inner sheath pipe 5 into the inner cavity of the lower end 4 of the upper steel pipe pile 3 with a half length, approximately half of the upper steel pipe pile 3 and the reinforcing inner sheath pipe 5 are inserted. The long gap 6 is fixed by a filling material, and then, about half the length of the reinforcing inner sheath pipe 5 projecting from the lower end 4 of the upper steel pipe pile 3 is inserted into the inner cavity of the lower steel pipe pile 1, and further the upper steel pipe pile 3 About half the length of the reinforcing inner sheath tube 5 protruding from the lower end 4 of the lower steel pipe pile 1
It is a figure which shows the joining pile method of the steel pipe pile which joins and and builds up sequentially.
【０００４】[0004]
【課題を解決するための手段】本発明は、補強内鞘管の
上鋼管杭と下鋼管杭への挿入・固定作業を、同一の時点
での一連の作業として行うことを可能とし、継手費用を
低減する鋼管杭の継手方法を提供することを目的とす
る。すなわち、本発明は、下鋼管杭１の上端２と上鋼管
杭３の下端４のそれぞれの内側に、補強内鞘管５のほぼ
半分長を挿入する鋼管杭の継ぎ杭方法において、長さ方
向に離して設けられるネジ孔７を有する補強内鞘管５
と、上端部にその補強内鞘管５の該ネジ孔７よりも径が
若干大きな円形孔８を有する下鋼管杭１と、下端部に該
補強内鞘管５の該ネジ孔７よりも径が若干大きな円形孔
８，９を有する上鋼管杭３と、頭部が円形で、かつその
径が該下鋼管杭１と該上鋼管杭３のそれぞれの該円形孔
８，９の径よりも小さい穴付きボルト１１により構成し
て、該補強内鞘管５を該下鋼管杭１および該上鋼管杭３
の内側に挿入した後、該穴付きボルト１１を、該下鋼管
杭１と該上鋼管杭３における各円形孔８，９に貫通さ
せ、さらに該補強内鞘管の該ネジ孔７に該穴付きボルト
１１の頭部１０が円形孔８，９に収容されるようにネジ
込むことにより、該補強内鞘管５を該下鋼管杭１と該上
鋼管杭３との継手部に固定させることを特徴とする。The present invention makes it possible to perform the insertion / fixing work to the upper steel pipe pile and the lower steel pipe pile of the reinforced inner sheath pipe as a series of works at the same time, and to reduce the joint cost. It is an object of the present invention to provide a method for jointing steel pipe piles that reduces the noise. That is, the present invention relates to a joint pile method for a steel pipe pile in which approximately half the length of the reinforcing inner sheath pipe 5 is inserted inside each of the upper end 2 of the lower steel pipe pile 1 and the lower end 4 of the upper steel pipe pile 3 in the longitudinal direction. Reinforcing inner sheath tube 5 having a screw hole 7 provided separately
And a lower steel pipe pile 1 having a circular hole 8 having a diameter slightly larger than the screw hole 7 of the reinforcing inner sheath pipe 5 at the upper end, and a diameter of the lower steel pipe pile 7 of the reinforcing inner sheath pipe 5 at the lower end. Of the upper steel pipe pile 3 having circular holes 8 and 9 of slightly larger diameter than the diameter of the circular holes 8 and 9 of the lower steel pipe pile 1 and the upper steel pipe pile 3 respectively. The reinforcing inner sheath pipe 5 is constituted by the bolts 11 with small holes, and the lower steel pipe pile 1 and the upper steel pipe pile 3 are formed.
After insertion of the inner, bore a bore bolt 11, is passed through the respective circular holes 8,9 in the lower steel pipe pile 1 and the upper steel pipe pile 3, further into the threaded hole 7 of the reinforcing intrathecal tube With bolt
The head 10 of 11 is screwed into the circular holes 8 and 9 so that the reinforcing inner sheath pipe 5 is fixed to the joint portion between the lower steel pipe pile 1 and the upper steel pipe pile 3. And
【０００５】[0005]
【実施例】次に請求項１の発明の実施例について詳細に
説明する。図１および図２は、下鋼管杭１の上端２と上
鋼管杭３の下端４のそれぞれの内側に、補強内鞘管５の
ほぼ半分の長さを挿入した状態を示している。Embodiments of the invention of claim 1 will now be described in detail. 1 and 2 show a state in which a half length of the reinforced inner sheath pipe 5 is inserted inside the upper end 2 of the lower steel pipe pile 1 and the lower end 4 of the upper steel pipe pile 3, respectively.
【０００６】図３ないし図９は請求項１を構成するもの
を示すものである。まず、図３および図４は、複数のネ
ジ孔７を補強内鞘管５の長さ方向に離して設けた補強内
鞘管５を示している。図５および図６は、上端部に補強
内鞘管５のネジ孔７の位置と同位相で、かつそのネジ孔
７よりも径が若干大きな円形孔８を有する下鋼管杭１を
示す。図７および図８は、下端部に補強内鞘管５のネジ
孔７の位置と同位相で、かつそのネジ孔７よりも径が若
干大きな円形孔９を有する上鋼管杭３を示す。図９は頭
部１０が円形で、かつその頭部１０に回動工具係合穴１
８が設けられ、その穴付きボルト１１におけるねじ軸部
径は、下鋼管杭１と上鋼管杭３のそれぞれの円形孔８，
９の径よりも小さくなっている。なお図３および図４に
示す補強内鞘管５のネジ孔７と、図５および図６に示す
下鋼管杭１の円形孔８と、図７および図８に示す上鋼管
杭３の円形孔９とは、穴付きボルト１１が差し込まれた
ものであり、図３ないし図８では、それぞれ３箇が、下
鋼管杭１および上鋼管杭３と補強内鞘管５の中心との角
度を一定に保つように配置されている。3 to 9 show what constitutes claim 1. First, FIGS. 3 and 4 show a reinforced inner sheath tube 5 in which a plurality of screw holes 7 are provided apart from each other in the longitudinal direction of the reinforced inner sheath tube 5. 5 and 6 show the lower steel pipe pile 1 having a circular hole 8 at the upper end portion in the same phase as the position of the screw hole 7 of the reinforcing inner sheath pipe 5 and having a diameter slightly larger than the screw hole 7. 7 and 8 show an upper steel pipe pile 3 having a circular hole 9 at the lower end portion in the same phase as the position of the screw hole 7 of the reinforcing inner sheath pipe 5 and having a diameter slightly larger than the screw hole 7. In FIG. 9, the head 10 has a circular shape, and the turning tool engaging hole 1 is formed in the head 10.
8 is provided, the diameter of the screw shaft portion of the bolt 11 with holes is the circular holes 8 of the lower steel pipe pile 1 and the upper steel pipe pile 3, respectively.
It is smaller than the diameter of 9. The screw holes 7 of the reinforcing inner sheath pipe 5 shown in FIGS. 3 and 4, the circular hole 8 of the lower steel pipe pile 1 shown in FIGS. 5 and 6, and the circular hole of the upper steel pipe pile 3 shown in FIGS. 7 and 8. 9 is the one into which the bolt 11 with a hole is inserted, and in FIGS. 3 to 8, three each have a constant angle between the lower steel pipe pile 1 and the upper steel pipe pile 3 and the center of the reinforcing inner sheath pipe 5. It is arranged to keep in.
【０００７】図１０および図１１は請求項１の発明の実
施例を示すものであって、前記補強内鞘管５のほぼ半分
の長さが、下鋼管杭１の上部内に嵌入されると共に、上
鋼管杭３の下部内に嵌入され、かつ下鋼管杭１の上端部
の円形孔８に挿通された穴付きボルト１１は、補強内鞘
管５の下側のネジ孔７に螺合され、上鋼管杭３の下端部
の円形孔９に挿通された穴付きボルト１１は、補強内鞘
管５の上側のネジ孔７に螺合され、前記各穴付きボルト
１１の頭部１０は、円形孔８および円形孔９内に収容さ
れている。FIGS. 10 and 11 show an embodiment of the invention of claim 1 in which approximately half the length of the reinforcing inner sheath pipe 5 is fitted in the upper portion of the lower steel pipe pile 1. The holed bolt 11 fitted in the lower part of the upper steel pipe pile 3 and inserted into the circular hole 8 at the upper end of the lower steel pipe pile 1 is screwed into the screw hole 7 on the lower side of the reinforcing inner sheath pipe 5. The bolts 11 with holes inserted into the circular holes 9 at the lower end of the upper steel pipe pile 3 are screwed into the screw holes 7 on the upper side of the reinforcing inner sheath pipe 5, and the heads 10 of the bolts 11 with holes are: It is accommodated in the circular hole 8 and the circular hole 9.
【０００８】図１２は図１１の拡大した図を示すもので
あって、補強内鞘管５の外側に、上鋼管杭３の下部が嵌
挿され、かつ上鋼管杭３の下部に設けられた円形孔９に
穴付きボルト１１が挿通され、その穴付きボルト１１は
補強内鞘管５に設けられたネジ孔７に螺合されている。FIG. 12 is an enlarged view of FIG. 11, in which the lower part of the upper steel pipe pile 3 is fitted and inserted on the outer side of the reinforced inner sheath pipe 5, and is provided at the lower part of the upper steel pipe pile 3. A bolt 11 with a hole is inserted into the circular hole 9, and the bolt 11 with a hole is screwed into a screw hole 7 provided in the reinforcing inner sheath tube 5.
【０００９】図１３ないし図１８は、請求項１の発明を
地滑り抑止鋼管杭の継手として利用する場合の施工手順
を示すものである。まず図１３ないし図１６に示すよう
に、仮受け用の下鋼管杭１の上端２に設けられた円形孔
８に、ネジ孔７を合わせて補強内鞘管５のほぼ半分の長
さを挿入する。ここで、下鋼管杭１の円形孔８を貫通さ
せ、補強内鞘管５のネジ孔７に穴付きボルト１１をねじ
込む。13 to 18 show a construction procedure when the invention of claim 1 is used as a joint of a steel pipe pile for suppressing landslide. First, as shown in FIGS. 13 to 16, screw holes 7 are aligned with circular holes 8 provided in the upper end 2 of the lower steel pipe pile 1 for temporary receiving, and the half length of the reinforced inner sheath pipe 5 is inserted. To do. Here, the circular hole 8 of the lower steel pipe pile 1 is penetrated, and the bolt 11 with a hole is screwed into the screw hole 7 of the reinforcing inner sheath pipe 5.
【００１０】次に図１７および図１８に示すように、上
鋼管杭３の円形孔９を補強内鞘管５のネジ孔７に合わせ
たのち、上鋼管杭３の下端４を補強内鞘管５に差し込
む。この上鋼管杭３の下端４に設けられた円形孔９を貫
通させ、補強内鞘管５のネジ孔７に穴付きボルト１１を
ねじ込む（図１８参照）。この一連の作業を通して、補
強内鞘管５の下鋼管杭１および上鋼管杭３に対する固定
が完了する。Next, as shown in FIGS. 17 and 18, after the circular hole 9 of the upper steel pipe pile 3 is aligned with the screw hole 7 of the reinforcing inner sheath pipe 5, the lower end 4 of the upper steel pipe pile 3 is reinforced. Plug in 5. The circular hole 9 provided in the lower end 4 of the upper steel pipe pile 3 is penetrated, and the bolt 11 with a hole is screwed into the screw hole 7 of the reinforcing inner sheath pipe 5 (see FIG. 18). Through this series of operations, the fixing of the reinforcing inner sheath pipe 5 to the lower steel pipe pile 1 and the upper steel pipe pile 3 is completed.
【００１１】図１９は請求項２に記載した下鋼管杭１と
上鋼管杭３とにおけるそれぞれの円形孔８，９として、
表面が鋼管杭の内側に狭くなるように傾斜する截頭円錐
の形状を成す円形傾斜孔１２を示す。表面が鋼管杭の内
側に傾斜する截頭円錐の形状を成すことにより、穴付き
ボルト１１の頭部１０と円形孔表面との確実な接触状態
が形成され、継手部に引張り方向の力が作用しても穴付
きボルト１１の頭部１０の径と円形孔８，９の径の違
い、またこの部位の製作の誤差ならびに施工誤差に伴う
大きな下鋼管杭１および上鋼管杭３と補強内鞘管５との
相対的なズレの防止が可能となる。なお、この場合に使
用する穴付きボルト１１として、頭部とねじ軸部との間
に截頭円錐部を備えた穴付きボルトを使用すれば、円形
傾斜孔１２との確実な接触状態にすることができる。FIG. 19 shows circular holes 8 and 9 in the lower steel pipe pile 1 and the upper steel pipe pile 3 according to claim 2, respectively.
A circular inclined hole 12 having a truncated cone shape whose surface is inclined so as to become narrower inside the steel pipe pile is shown. By forming the shape of a truncated cone whose surface inclines inward of the steel pipe pile, a reliable contact state between the head 10 of the holed bolt 11 and the surface of the circular hole is formed, and the joint portion is pulled. Even if a force in the direction is applied, the diameter of the head 10 of the holed bolt 11 and the diameters of the circular holes 8 and 9 differ from each other, and large lower steel pipe piles 1 and upper steel pipe piles due to manufacturing errors and construction errors of this portion. It is possible to prevent the relative displacement between the reinforcing pipe 3 and the reinforcing inner sheath pipe 5. If a bolt with a hole having a truncated cone between the head and the screw shaft is used as the bolt with a hole 11 used in this case, a reliable contact state with the circular inclined hole 12 is obtained. be able to.
【００１２】図２０は請求項３に記載した円形傾斜孔１
２を、内表面が鋼管杭の内側に向かって狭くなるように
傾斜する截頭円錐の形状を成し、外径が下鋼管杭１と上
鋼管杭３のそれぞれの円形孔８，９よりも若干小さな円
筒孔部材１３を、下鋼管杭１と上鋼管杭３のそれぞれの
円形孔８，９への挿入取付けにより行う構造を示すもの
である。本方法によれば、加工が難しい鋼管杭への円形
傾斜孔の加工によらず、加工の容易な円形孔を鋼管杭に
施すことにより円形傾斜孔１２の設置が可能となり、請
求項３の方法に比べ、加工能率の向上・加工費の低減が
可能となる。FIG. 20 shows a circular inclined hole 1 according to claim 3.
2 has a frusto-conical shape inclining so that the inner surface becomes narrower toward the inner side of the steel pipe pile , and the outer diameter is larger than the circular holes 8 and 9 of the lower steel pipe pile 1 and the upper steel pipe pile 3, respectively. This shows a structure in which a slightly smaller cylindrical hole member 13 is inserted and attached to the circular holes 8 and 9 of the lower steel pipe pile 1 and the upper steel pipe pile 3, respectively. According to this method, the circular inclined hole 12 can be installed by providing the steel pipe pile with a circular hole that is easy to process, instead of machining the circular inclined hole in the steel pipe pile, which is difficult to process. Compared with, it is possible to improve processing efficiency and reduce processing costs.
【００１３】図２１は請求項４に記載した実施例を示す
ものであって、円形傾斜孔１２を、該下鋼管杭１と該上
鋼管杭３におけるそれぞれの該円形孔８，９にネジ１４
を施し、これに合うように外周にネジ１５を施され、内
表面１６が鋼管杭の内側に傾斜する截頭円錐の形状をと
るネジ孔部材１７を取付けて行う構造を示す。FIG. 21 shows an embodiment according to a fourth aspect of the present invention, in which a circular inclined hole 12 is screwed into each of the circular holes 8 and 9 in the lower steel pipe pile 1 and the upper steel pipe pile 3.
And a screw hole member 17 having an inner surface 16 in the shape of a truncated cone inclining inward of the steel pipe pile is attached.
【００１４】請求項３の方法によれば、その構造上、円
筒孔部材１３と下鋼管杭１と上鋼管杭３とにおけるそれ
ぞれの円形孔８，９との間に若干のスキマを設けねばな
らず、継手部に引張り方向の力が作用した時、若干のズ
レを許容せざるをえないが、本方法によればスキマがほ
とんど生ぜずこの問題の解決が低コストで可能となる。According to the method of claim 3, due to its structure, some clearance must be provided between the cylindrical hole member 13 and the circular holes 8 and 9 in the lower steel pipe pile 1 and the upper steel pipe pile 3, respectively. First, when a force in the pulling direction acts on the joint portion, a slight deviation must be tolerated, but according to this method, there is almost no gap, and this problem can be solved at low cost.
【００１５】[0015]
【発明の効果】本発明によれば、下鋼管杭１の上端２と
上鋼管杭３の下端４のそれぞれの内側に、補強内鞘管５
のほぼ半分長を挿入する鋼管杭の継ぎ杭方法において、
長さ方向に離して設けられるネジ孔７を有する補強内鞘
管５と、上端部にその補強内鞘管５の該ネジ孔７よりも
径が若干大きな円形孔８を有する下鋼管杭１と、下端部
に該補強内鞘管５の該ネジ孔７よりも径が若干大きな円
形孔８，９を有する上鋼管杭３と、頭部が円形で、かつ
その径が該下鋼管杭１と該上鋼管杭３のそれぞれの該円
形孔８，９の径よりも小さい穴付きボルト１１により構
成して、該補強内鞘管５を該下鋼管杭１および該上鋼管
杭３の内側に挿入した後、該穴付きボルト１１を、該下
鋼管杭１と該上鋼管杭３における各円形孔８，９に貫通
させ、さらに該補強内鞘管の該ネジ孔７にネジ込むこと
により、該補強内鞘管５を該下鋼管杭１と該上鋼管杭３
との継手部に固定させることを特徴とするので、下鋼管
杭１と補強内鞘管５との間の固定および上鋼管杭３と補
強内鞘管５との固定を、各鋼管杭と補強内鞘管５との固
定のための間隙への充填材の充填作業を行うことなく、
施工現場で簡易にかつ同一の時点での作業として可能と
なり、さらに下鋼管杭１の上端と上鋼管杭３の下端のそ
れぞれの内側に、補強内鞘管５のほぼ半分の長さを挿入
するとともに、該下鋼管杭１および該上鋼管杭３と該補
強内鞘管５との間隙に充填材を充填するという従来の鋼
管杭の継ぎ杭の加工費用を著しく低減し、この工法の適
用性を大いに拡大することができる。According to the present invention, the reinforcing inner sheath pipe 5 is provided inside each of the upper end 2 of the lower steel pipe pile 1 and the lower end 4 of the upper steel pipe pile 3.
In the steel pipe pile joint pile method of inserting almost half length of
A lower steel pipe pile 1 having a reinforcing inner sheath pipe 5 having a screw hole 7 provided separately in the length direction, and a circular hole 8 having a diameter slightly larger than the screw hole 7 of the reinforcing inner sheath pipe 5 at an upper end portion; An upper steel pipe pile 3 having circular holes 8 and 9 having a diameter slightly larger than the screw hole 7 of the reinforcing inner sheath pipe 5 at the lower end, and a circular head having a diameter of the lower steel pipe pile 1. The reinforcing inner sheath pipe 5 is inserted into the inside of the lower steel pipe pile 1 and the upper steel pipe pile 3 by using bolts 11 with holes each having a diameter smaller than that of the circular holes 8 and 9 of the upper steel pipe pile 3. After that, the bolts 11 with holes are passed through the circular holes 8 and 9 in the lower steel pipe pile 1 and the upper steel pipe pile 3, respectively, and further screwed into the screw holes 7 of the reinforcing inner sheath pipe. The reinforcing inner sheath pipe 5 is connected to the lower steel pipe pile 1 and the upper steel pipe pile 3
It is characterized in that it is fixed to the joint portion of the steel pipe pile and the lower steel pipe pile 1 and the reinforcing inner sheath pipe 5 and the upper steel pipe pile 3 and the reinforcing inner sheath pipe 5 are fixed to each steel pipe pile. Without performing the filling work of the filling material into the gap for fixing with the inner sheath tube 5,
It becomes possible to perform the work easily and at the same time at the construction site, and further insert approximately half the length of the reinforcing inner sheath pipe 5 inside each of the upper end of the lower steel pipe pile 1 and the lower end of the upper steel pipe pile 3. At the same time, the working cost of the joint pile of the conventional steel pipe pile, in which the gap between the lower steel pipe pile 1 and the upper steel pipe pile 3 and the reinforcing inner sheath pipe 5 is filled with a filler, is remarkably reduced. Can be greatly expanded.
【図１】請求項１の発明を実施するために、下鋼管杭の
上端と上鋼管杭の下端との内側に、補強内鞘管のほぼ半
分の長さを挿入した状態を示す縦断側面図である。1 is a longitudinal side view showing a state in which a half length of a reinforced inner sheath pipe is inserted inside an upper end of a lower steel pipe pile and a lower end of an upper steel pipe pile in order to carry out the invention of claim 1; Is.
【図２】図１のＡ−Ａ線断面図である。FIG. 2 is a sectional view taken along the line AA of FIG.
【図３】請求項１の発明を実施する場合に使用する補強
内鞘管を示す縦断側面図である。FIG. 3 is a vertical cross-sectional side view showing a reinforced inner sheath tube used when carrying out the invention of claim 1.
【図４】図３のＢ−Ｂ線断面図である。4 is a sectional view taken along line BB of FIG.
【図５】請求項１の発明を実施する場合に使用する下鋼
管杭の上側部分を示す縦断側面図である。FIG. 5 is a vertical sectional side view showing an upper portion of a lower steel pipe pile used when carrying out the invention of claim 1.
【図６】図５のＣ−Ｃ線断面図である。6 is a cross-sectional view taken along the line CC of FIG.
【図７】請求項１の発明を実施する場合に使用する上鋼
管杭の下側部分を示す縦断側面図である。FIG. 7 is a vertical sectional side view showing a lower portion of an upper steel pipe pile used when carrying out the invention of claim 1.
【図８】図７のＤ−Ｄ線断面図である。8 is a cross-sectional view taken along the line DD of FIG.
【図９】請求項１の発明で使用する穴付きボルトを示す
側面図である。FIG. 9 is a side view showing a bolt with a hole used in the invention of claim 1.
【図１０】請求項１の発明の実施例に係る鋼管杭の継ぎ
杭方法を示す縦断側面図である。FIG. 10 is a vertical cross-sectional side view showing a joint pile method for steel pipe piles according to the embodiment of the invention of claim 1;
【図１１】図１０の一部を拡大して示す縦断側面図であ
る。FIG. 11 is a vertical sectional side view showing a part of FIG. 10 in an enlarged manner.
【図１２】穴付きボルトが上鋼管杭の円形孔に差し込ま
れ、さらに補強内鞘管のネジ穴にねじ込まれている状態
を示す縦断側面図である。FIG. 12 is a vertical cross-sectional side view showing a state in which a bolt with a hole is inserted into a circular hole of an upper steel pipe pile and further screwed into a screw hole of a reinforcing inner sheath pipe.
【図１３】請求項１の発明を地滑り抑止鋼管杭の継手と
して利用する場合の第１施工手順を示す正面図である。FIG. 13 is a front view showing a first construction procedure when the invention of claim 1 is used as a joint for a landslide prevention steel pipe pile.
【図１４】請求項１の発明を地滑り抑止鋼管杭の継手と
して利用する場合の第２施工手順を示す正面図である。FIG. 14 is a front view showing a second construction procedure when the invention of claim 1 is used as a joint for a landslide prevention steel pipe pile.
【図１５】請求項１の発明を地滑り抑止鋼管杭の継手と
して利用する場合の第３施工手順を示す正面図である。FIG. 15 is a front view showing a third construction procedure when the invention of claim 1 is used as a joint for a landslide prevention steel pipe pile.
【図１６】請求項１の発明を地滑り抑止鋼管杭の継手と
して利用する場合の第４施工手順を示す正面図である。FIG. 16 is a front view showing a fourth construction procedure when the invention of claim 1 is used as a joint for a landslide prevention steel pipe pile.
【図１７】請求項１の発明を地滑り抑止鋼管杭の継手と
して利用する場合の第５施工手順を示す正面図である。FIG. 17 is a front view showing a fifth construction procedure when the invention of claim 1 is used as a joint for a landslide prevention steel pipe pile.
【図１８】請求項１の発明を地滑り抑止鋼管杭の継手と
して利用する場合の第６施工手順を示す正面図である。FIG. 18 is a front view showing a sixth construction procedure when the invention of claim 1 is used as a joint for a steel pipe pile for suppressing landslide.
【図１９】請求項２の発明の実施例を示す縦断側面図で
ある。FIG. 19 is a vertical sectional side view showing an embodiment of the invention of claim 2;
【図２０】請求項３の発明の実施例を示す縦断側面図で
ある。FIG. 20 is a vertical sectional side view showing an embodiment of the invention of claim 3;
【図２１】請求項４の発明の実施例を示す縦断側面図で
ある。FIG. 21 is a vertical sectional side view showing an embodiment of the invention of claim 4;
【図２２】従来の上鋼管杭の下部に取付けられた補強内
鞘管を下鋼管杭に挿込むときの状態を示す縦断側面図で
ある。FIG. 22 is a vertical cross-sectional side view showing a state in which a reinforcing inner sheath pipe attached to the lower portion of a conventional upper steel pipe pile is inserted into the lower steel pipe pile.
【図２３】従来の上鋼管杭の下部に取付けられた補強内
鞘管を下鋼管杭に挿込んだときの状態を示す縦断側面図
である。FIG. 23 is a vertical cross-sectional side view showing a state in which a reinforced inner sheath pipe attached to the lower portion of a conventional upper steel pipe pile is inserted into the lower steel pipe pile.
１ 下鋼管杭 ２ 下鋼管杭の上端 ３ 上鋼管杭 ４ 上鋼管杭の下端 ５ 補強内鞘管 ６ 間隙 ７ ネジ孔 ８ 円形孔 ９ 円形孔 １０ 頭部 １１ 穴付きボルト １２ 円形傾斜孔 １３ 円筒孔部材 １４ ネジ １５ ネジ １６ 内表面 １７ ネジ孔部材 １８ 回動工具係合穴 1 Lower steel pipe pile 2 Upper end of lower steel pipe pile 3 Upper steel pipe pile 4 Lower end of upper steel pipe pile 5 Reinforced inner sheath tube 6 gap 7 screw holes 8 circular holes 9 circular holes 10 head 11 Bolts with holes 12 Circular inclined hole 13 Cylindrical hole member 14 screws 15 screws 16 Inner surface 17 Screw hole member 18 Rotating tool engagement hole
───────────────────────────────────────────────────── フロントページの続き (56)参考文献 特開 平１−275807（ＪＰ，Ａ) 実開 平２−144034（ＪＰ，Ｕ) (58)調査した分野(Int.Cl.7，ＤＢ名) E02D 5/24 101 - 103 ─────────────────────────────────────────────────── ─── Continuation of the front page (56) References Japanese Patent Laid-Open No. 1-275807 (JP, A) Actual Development 2-144034 (JP, U) (58) Fields investigated (Int.Cl. 7 , DB name) E02D 5/24 101-103
Claims (2)
４のそれぞれの内側に、補強内鞘管５のほぼ半分長を挿
入する鋼管杭の継ぎ杭方法であって、長さ方向に離して
設けられるネジ孔７を有する補強内鞘管５と、上端部に
その補強内鞘管５の該ネジ孔７よりも径が若干大きな円
形孔８を有する下鋼管杭１と、下端部に該補強内鞘管５
の該ネジ孔７よりも径が若干大きな円形孔９を有する上
鋼管杭３と、頭部が円形で、かつその径が該下鋼管杭１
と該上鋼管杭３のそれぞれの該円形孔８，９の径よりも
小さい穴付きボルト１１により構成して、該補強内鞘管
５を該下鋼管杭１および該上鋼管杭３の内側に挿入した
後、該穴付きボルト１１を、該下鋼管杭１と該上鋼管杭
３における各円形孔８，９に貫通させ、さらに該補強内
鞘管の該ネジ孔７に該穴付きボルト１１の頭部１０が円
形孔８，９内に収容されるようにネジ込むことにより、
該補強内鞘管５を該下鋼管杭１と該上鋼管杭３との継手
部に固定させるに際し、下鋼管杭１と上鋼管杭３のそれ
ぞれの円形孔８，９を、その表面が鋼管杭の内側に向か
って細くなるように傾斜する截頭円錐の形状を成す円形
傾斜孔１２によって行う鋼管杭の継ぎ杭方法において、
前記円形傾斜孔１２を、内表面が鋼管杭の内側に向かっ
て狭くなるように傾斜する截頭円錐の形状を成し、外径
が該下鋼管杭１と該上鋼管杭３のそれぞれの該円形孔
８，９よりも若干小さな円筒孔部材１３の、該下鋼管杭
１と該上鋼管杭３のそれぞれに設ける円形孔８，９への
挿入取付けにより行うことを特徴とする鋼管杭の継ぎ杭
方法。1. A method for jointing piles of steel pipe piles, wherein a half length of a reinforced inner sheath pipe 5 is inserted inside each of an upper end 2 of a lower steel pipe pile 1 and a lower end 4 of an upper steel pipe pile 3, the method comprising: Lower steel pipe pile 1 having a reinforcing inner sheath pipe 5 having a screw hole 7 provided apart from each other in the direction, a circular hole 8 having a diameter slightly larger than the screw hole 7 of the reinforcing inner sheath pipe 5 at the upper end, and a lower end The inner sheath tube 5 for reinforcement
Of the upper steel pipe pile 3 having a circular hole 9 having a diameter slightly larger than that of the screw hole 7, and the lower steel pipe pile 1 having a circular head and a diameter thereof.
And a bolt 11 with a hole smaller than the diameter of each of the circular holes 8 and 9 of the upper steel pipe pile 3, and the reinforcing inner sheath pipe 5 is provided inside the lower steel pipe pile 1 and the upper steel pipe pile 3. After the insertion, the holed bolt 11 is penetrated through the circular holes 8 and 9 in the lower steel pipe pile 1 and the upper steel pipe pile 3, and the holed bolt 11 is inserted into the screw hole 7 of the reinforcing inner sheath pipe. By screwing the head 10 of the so that it is housed in the circular holes 8 and 9,
When fixing the reinforced inner sheath pipe 5 to the joint portion between the lower steel pipe pile 1 and the upper steel pipe pile 3, that of the lower steel pipe pile 1 and the upper steel pipe pile 3
Each of the circular holes 8 and 9 has its surface facing the inside of the steel pipe pile.
A circular shape in the shape of a truncated cone that slopes to become narrower
In the steel pipe pile joining method performed by the inclined hole 12,
The inner surface of the circular inclined hole 12 faces toward the inside of the steel pipe pile.
The outer diameter
Is the circular hole of each of the lower steel pipe pile 1 and the upper steel pipe pile 3
The lower steel pipe pile of the cylindrical hole member 13 slightly smaller than 8 and 9
1 and circular holes 8 and 9 provided in the upper steel pipe pile 3 respectively
A method for jointing steel pipe piles, which is characterized by being inserted and mounted .
鋼管杭３の円形孔８，９のそれぞれに設けたネジ１４
に、外周にネジ１５を有すると共に、内表面が鋼管杭の
内側に傾斜する截頭円錐の形状を有するネジ孔部材１７
を取付けて行うことを特徴とする請求項１に記載の鋼管
杭の継ぎ杭方法。2. The circular inclined hole 12 and the lower steel pipe pile 1 and the upper
Screw 14 provided in each of the circular holes 8 and 9 of the steel pipe pile 3
In addition to having the screw 15 on the outer circumference, the inner surface of the steel pipe pile
Screw hole member 17 having the shape of a truncated cone inclined inward
The method for connecting steel pipe piles according to claim 1, wherein the method is performed by mounting the steel pipe piles.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP09701094A JP3366727B2 (en) | 1994-04-12 | 1994-04-12 | Joint pile method of steel pipe pile |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP09701094A JP3366727B2 (en) | 1994-04-12 | 1994-04-12 | Joint pile method of steel pipe pile |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH07279168A JPH07279168A (en) | 1995-10-24 |
| JP3366727B2 true JP3366727B2 (en) | 2003-01-14 |
Family
ID=14180348
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP09701094A Expired - Fee Related JP3366727B2 (en) | 1994-04-12 | 1994-04-12 | Joint pile method of steel pipe pile |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP3366727B2 (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP4944086B2 (en) * | 2008-11-28 | 2012-05-30 | 住金物産株式会社 | Pile body connection structure of steel pipe pile |
| JP7354872B2 (en) * | 2020-02-20 | 2023-10-03 | Ｊｆｅエンジニアリング株式会社 | Jacketed structure and its construction method |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0617575B2 (en) * | 1988-04-25 | 1994-03-09 | 新日本製鐵株式会社 | Steel pipe pile connection method |
| JPH02144034U (en) * | 1989-05-09 | 1990-12-06 |
-
1994
- 1994-04-12 JP JP09701094A patent/JP3366727B2/en not_active Expired - Fee Related
Also Published As
| Publication number | Publication date |
|---|---|
| JPH07279168A (en) | 1995-10-24 |
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