JPH08100436A - Rotary press-in device for settlement correcting steel pipe pile - Google Patents
Rotary press-in device for settlement correcting steel pipe pileInfo
- Publication number
- JPH08100436A JPH08100436A JP26313194A JP26313194A JPH08100436A JP H08100436 A JPH08100436 A JP H08100436A JP 26313194 A JP26313194 A JP 26313194A JP 26313194 A JP26313194 A JP 26313194A JP H08100436 A JPH08100436 A JP H08100436A
- Authority
- JP
- Japan
- Prior art keywords
- steel pipe
- pipe pile
- slider
- press
- foundation
- 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
Landscapes
- Placing Or Removing Of Piles Or Sheet Piles, Or Accessories Thereof (AREA)
Abstract
Description
【０００１】[0001]
【産業上の利用分野】本発明は既設の建築物の沈下修正
工事用に使用する鋼管杭を地盤に回転圧入する装置に関
する。BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a device for rotationally press-fitting a steel pipe pile used for subsidence repair work of an existing building into the ground.
【０００２】[0002]
【従来の技術】建築物の沈下修正には、基礎の下に鋼管
杭を支持地盤へ到達するまで圧入し、圧入された鋼管杭
の上に基礎を載せて基礎の水平調整を行う方法がある。
図８は建築物の基礎の一例を示す平面図で、沈下修正は
この基礎３１の下に作業員が入ることのできる大きさの
穴３２を掘って行う。2. Description of the Related Art In order to correct a settlement of a building, there is a method in which a steel pipe pile is press-fitted under the foundation until it reaches a supporting ground, and the foundation is mounted on the press-fitted steel pipe pile to horizontally adjust the foundation. .
FIG. 8 is a plan view showing an example of the foundation of a building, and the settlement correction is performed by digging a hole 32 of a size under which the worker can enter.
【０００３】図９は従来の鋼管杭圧入方法を示してお
り、内周を土止めした穴３２内に作業員が入り、基礎３
１下に６０〜７５ｃｍ程度の鋼管杭３３を鉛直に立て、
油圧ジャッキ３４を基礎の下面と鋼管杭３３の上端に載
せた鋼板３５との間にセットし、油圧ジャッキ３４のロ
ッドを伸ばして基礎の荷重により鋼管杭３３を地盤へ圧
入している。FIG. 9 shows a conventional method of press-fitting a steel pipe pile, in which a worker enters the hole 32 whose inner circumference is earth-stopped and the foundation 3
The steel pipe pile 33 of about 60-75 cm is erected vertically under 1.
The hydraulic jack 34 is set between the lower surface of the foundation and the steel plate 35 placed on the upper end of the steel pipe pile 33, the rod of the hydraulic jack 34 is extended, and the steel pipe pile 33 is pressed into the ground by the load of the foundation.
【０００４】鋼管杭が一定の深さまで圧入されると、ジ
ャッキのロッドを縮め、すでに圧入された鋼管杭の上端
に新たな鋼管杭を溶接し、初めに圧入した鋼管杭と同様
にジャッキで圧入する。When the steel pipe pile is press-fitted to a certain depth, the rod of the jack is contracted, a new steel pipe pile is welded to the upper end of the steel pipe pile that has already been press-fitted, and the steel pipe pile is press-fitted with the jack similarly to the first press-fitted steel pipe pile. To do.
【０００５】この手順を繰り返すことにより、鋼管杭の
先端を支持地盤へ到達せしめる。By repeating this procedure, the tip of the steel pipe pile can reach the supporting ground.
【０００６】鋼管杭を基礎下の所要の位置すべてに圧入
した後、鋼管杭と基礎との間隔をジャッキアップ等の手
段により適宜修正することで、基礎を水平に調整する。After the steel pipe pile is press-fitted in all required positions under the foundation, the space between the steel pipe pile and the foundation is appropriately corrected by means such as jacking up to horizontally adjust the foundation.
【０００７】[0007]
【発明が解決しようとする課題】上述した従来の鋼管杭
圧入方法では、アスファルトやコンクリートがら等の障
碍物が地中に埋まっていると、鋼管杭が障碍物に当たっ
て充分に圧入されず、支持地盤まで到達できない場合が
ある。In the above-mentioned conventional method for press-fitting steel pipe piles, when obstacles such as asphalt and concrete slag are buried in the ground, the steel pipe piles are not sufficiently pressed into the obstacles and the supporting ground is not supported. May not be reached.
【０００８】このような状態の鋼管杭上で沈下修正を行
うと、近隣での土木建築工事などで不動水層が変化した
り、地震などで地盤に変動が生じたりした場合、鋼管杭
が障碍物からずれて鋼管杭自体が沈下し、基礎を充分に
支えることができなくなってしまう。When the settlement correction is performed on the steel pipe pile in such a state, the steel pipe pile will be damaged when the immovable water layer is changed due to civil engineering construction work in the neighborhood or the ground is changed due to an earthquake or the like. The steel pipe pile itself will sink due to slipping from the object, making it impossible to support the foundation sufficiently.
【０００９】本発明の装置は鋼管杭を回転させながら地
盤へ圧入することにより、鋼管杭を支持地盤へ確実に到
達せしめ、正確な沈下修正を行うことができ、しかも沈
下修正後の沈下を防止することができるようにすること
を目的としている。The apparatus of the present invention presses the steel pipe pile into the ground while rotating the steel pipe pile so that the steel pipe pile can surely reach the supporting ground and correct settlement can be performed, and the settlement after the settlement is prevented. The purpose is to be able to.
【００１０】[0010]
【課題を解決するための手段】本発明を実施するための
手段は次のとおりである。The means for carrying out the present invention are as follows.
【００１１】＜手段１＞上下方向に伸縮し、基礎の下面
を押圧する油圧ジャッキの基部が上面に固定され、回転
軸が鋼管杭の上端に嵌合し、鋼管杭を鉛直軸まわりに回
転させるモータを下面に備えるスライダを、枠体内に沿
って上下に摺動可能に設け、前記スライダを上方へ移動
させるスライダの復帰手段を備えたものとする。<Means 1> A base of a hydraulic jack that expands and contracts in the vertical direction and presses the lower surface of the foundation is fixed to the upper surface, and a rotating shaft is fitted to the upper end of the steel pipe pile to rotate the steel pipe pile around a vertical axis. A slider having a motor on its lower surface is provided so as to be slidable up and down along a frame body, and a slider returning means for moving the slider upward is provided.
【００１２】＜手段２＞上下方向に伸縮し、基礎の下面
を押圧する油圧ジャッキの基部が上面に固定され、回転
軸が鋼管杭の上端に嵌合し、鋼管杭を鉛直軸まわりに回
転させるモータを下面に備えるスライダを、枠体内に沿
って上下に摺動可能に設け、前記スライダを上方へ移動
させるスライダの復帰手段を備え、回転圧入する鋼管杭
の先端に溶接して使用され、下端縁に超硬切削刃を有す
る掘削管を備えたものとする。<Means 2> The base of the hydraulic jack that expands and contracts in the vertical direction and presses the lower surface of the foundation is fixed to the upper surface, the rotating shaft is fitted to the upper end of the steel pipe pile, and the steel pipe pile is rotated about the vertical axis. A slider provided with a motor on the lower surface is provided so as to be slidable up and down along the frame body, and a slider return means for moving the slider upward is provided, and the slider is used by welding to the tip of a steel pipe pile to be rotationally press-fitted. It shall be equipped with a drill pipe having a carbide cutting edge on the edge.
【００１３】[0013]
【実施例】以下本発明に係る沈下修正用鋼管杭の回転圧
入装置を図１〜５に基づいて詳細に説明する。本発明の
装置は鋼管杭を鉛直方向に案内するための枠体１と、枠
体１内に上下に摺動可能に設けられ、鋼管杭を鉛直方向
に回転圧入するスライダ２で構成されている。DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS A rotary press-fitting device for a steel pipe pile for settlement correction according to the present invention will be described in detail below with reference to FIGS. The device of the present invention comprises a frame body 1 for guiding a steel pipe pile in a vertical direction, and a slider 2 slidably provided in the frame body 1 so as to vertically slide and press fit the steel pipe pile in a vertical direction. .
【００１４】枠体１は、スライダ２のガイドレールたる
平行な４本の柱３、３の下端を、鋼管杭を通すためのガ
イド孔４ａを中央にあけた鋼板よりなる底板４の四隅に
固定し、前後左右の柱の上端どうしをトップフレーム５
で接続した構成のものとしてあって、枠体の上下部には
それぞれ枠体を穴の中に固定して装置が振れないように
するためのジャッキビス６ａ、６ｂを左右外側に向かっ
て取り付けてあり、また枠体の下端には装置を水平に固
定するためのジャッキビス６ｃ、６ｃを下方に向かって
取り付けてある。The frame body 1 is fixed to the four corners of a bottom plate 4 made of a steel plate having a guide hole 4a for passing a steel pipe pile at the center, and the lower ends of four parallel columns 3 and 3 which are guide rails of the slider 2. The top and bottom of the front, rear, left and right pillars to the top frame 5
The jack screws 6a and 6b are attached to the upper and lower portions of the frame body so that the frame body is fixed in the holes so that the device does not shake. In addition, jack screws 6c, 6c for horizontally fixing the device are attached to the lower end of the frame body downward.
【００１５】底板４の中央上面にはガイドプレート７を
ボルト８、８で取り付けてあり、このガイドプレート７
の中央には鋼管杭を通すガイド孔７ａをあけてある。A guide plate 7 is attached to the central upper surface of the bottom plate 4 with bolts 8 and 8.
A guide hole 7a for passing a steel pipe pile is formed in the center of the.
【００１６】図５に示すように、ガイド孔７ａの径は圧
入する鋼管杭９の外径よりもわずかに大なるものとして
あって、圧入する杭の径に合う孔のあいたガイドプレー
トに適宜交換できるようにしてあり、底板４にあけたガ
イド孔４ａは沈下修正に使用する鋼管杭のうち、最も径
の大なるもの（通常φ４０ｃｍ程度）に合わせてあり、
最大径の鋼管杭を圧入する際にはガイドプレート７を取
り外して使用する。As shown in FIG. 5, the diameter of the guide hole 7a is slightly larger than the outer diameter of the steel pipe pile 9 to be press-fitted, and a guide plate having a hole matching the diameter of the press-fitted pile is appropriately exchanged. The guide hole 4a formed in the bottom plate 4 is adapted to the largest diameter steel pipe pile (usually about φ40 cm) used for the settlement correction.
When press-fitting the steel pipe pile of the maximum diameter, the guide plate 7 is removed and used.
【００１７】スライダ２は上面中央に油圧ジャッキ１０
の基部が固定され、下面に減速モータ１１の上部が固定
された上段スライドプレート１２と、中央にあけた孔に
減速モータ１１の胴部を固定した下段スライドプレート
１３で構成されたものとしてあり、上下のスライドプレ
ート１２、１３の４角が、枠体１の柱３、３の内側に案
内されることにより、スライダが上下に摺動可能に取り
付けられている。The slider 2 has a hydraulic jack 10 at the center of the upper surface.
It is assumed that the base part of the speed reduction motor 11 is fixed and the lower surface of the speed reduction motor 11 is fixed to the upper slide plate 12, and the hole formed in the center of the lower slide plate 13 is fixed to the body of the speed reduction motor 11. The sliders are vertically slidably mounted by guiding the four corners of the upper and lower slide plates 12 and 13 inside the columns 3 and 3 of the frame body 1.
【００１８】減速モータ１１の回転軸には、鋼管杭９の
上端を嵌合してモータの回転を鋼管杭に伝える回転盤１
４を着脱自在に取り付けてある。回転盤の外周適所には
鋼管杭の上端外周に取り付けたピース９ａ、９ａを引掛
けて鋼管杭を回転させる爪１４ａ、１４ａを固定してあ
る。The rotating disk 1 for fitting the upper end of the steel pipe pile 9 to the rotary shaft of the reduction motor 11 and transmitting the rotation of the motor to the steel pipe pile.
4 is detachably attached. Claws 14a, 14a for hooking pieces 9a, 9a attached to the outer periphery of the upper end of the steel pipe pile to rotate the steel pipe pile are fixed at appropriate places on the outer periphery of the rotating plate.
【００１９】この回転盤１４の径は圧入する鋼管杭の径
と同じものを使用し、圧入する鋼管杭の径を替える際に
は、回転盤も鋼管杭の径に合わせて適宜交換して使用す
る。The diameter of the turntable 14 is the same as the diameter of the steel pipe pile to be press-fitted. When the diameter of the steel pipe pile to be press-fitted is changed, the turntable is also used by appropriately changing it according to the diameter of the steel pipe pile. To do.
【００２０】枠体１の底板４と、スライダ２の下段スラ
イドプレート１３の左右側部にはそれぞれ突出部４ａ、
１３ａを設けてあって、左右それぞれの突出部間にはス
ライダの復帰手段たる多段式伸縮ジャッキ１５、１５を
設けてあり、この多段式伸縮ジャッキ１５、１５のロッ
ド１５ａ、１５ａを伸ばすと、スライダ２が上方へ押し
上げられるようになっている。The bottom plate 4 of the frame 1 and the left and right side portions of the lower slide plate 13 of the slider 2 have protrusions 4a, respectively.
13a is provided, and multistage telescopic jacks 15 and 15 which are means for returning the slider are provided between the left and right protrusions. When the rods 15a and 15a of the multistage telescopic jacks 15 and 15 are extended, 2 can be pushed upwards.
【００２１】上述のように構成した本発明の装置は次の
ように使用する。基礎１６の下に穴１７を掘って穴の内
周を土止めし、基礎の下面を斫って平坦にし、本発明の
装置を基礎１６の下に設置する。この穴１７は深さが
１．５〜１．６ｍ程度で、中に作業員が入って鋼管杭の
接続等の作業を行える充分な広さのものとする。The apparatus of the present invention constructed as described above is used as follows. A hole 17 is dug under the foundation 16 to stop the inner circumference of the hole from being soiled, and the lower surface of the foundation is scraped to be flat, and the device of the present invention is installed under the foundation 16. The hole 17 has a depth of about 1.5 to 1.6 m and has a sufficient size for allowing a worker to enter the hole 17 to perform work such as connection of steel pipe piles.
【００２２】枠体１下端のジャッキビス６ｃ、６ｃを伸
縮させて装置が水平となるように調整した後、枠体１左
右のジャッキビス６ａ、６ｂを伸ばして穴１７の左右内
壁に圧接し、装置を固定する。After adjusting the jack screws 6c, 6c at the lower end of the frame body 1 so that the device is horizontal, the jack screws 6a, 6b on the left and right sides of the frame body 1 are extended and pressed against the left and right inner walls of the hole 17, Fix the device.
【００２３】次に、多段ジャッキ１５、１５のロッド１
５ａ、１５ａを伸ばし、油圧ジャッキ１０のロッド１０
ａが縮んだ状態で基礎の下面に当接するまでスライダ２
を押し上げ、回転盤１４を介して鋼管杭９の上端を減速
モータ１１に取り付ける。Next, the rod 1 of the multi-stage jacks 15 and 15
5a and 15a are extended and the rod 10 of the hydraulic jack 10 is extended.
Slide the slider 2 until a comes into contact with the bottom surface of the foundation in a contracted state.
Is pushed up and the upper end of the steel pipe pile 9 is attached to the reduction motor 11 via the turntable 14.
【００２４】この際、鋼管杭９の下端に掘削管１８を接
続しておく。この掘削管１８は鋼管杭９と同径の鋼管の
下端縁に超硬切削刃１９を備えるものとしてある。At this time, the excavation pipe 18 is connected to the lower end of the steel pipe pile 9. The excavation pipe 18 is provided with a carbide cutting blade 19 at the lower end edge of a steel pipe having the same diameter as the steel pipe pile 9.
【００２５】本発明の装置において使用する鋼管杭９の
下端には、外径が鋼管杭の内径とほぼ同じ円筒または円
柱状の継手２０の上半部を挿入して溶接したものとして
あり、掘削管９との間は鋼管杭９の下端から突出する継
手２０の下半部を掘削管の上端に嵌入し、鋼管杭９と掘
削管２０の間を溶接して接続する。なお、鋼管杭どうし
の接続も鋼管杭と掘削管の接続と同様にして行う。At the lower end of the steel pipe pile 9 used in the apparatus of the present invention, the upper half of a cylindrical or cylindrical joint 20 having an outer diameter substantially equal to the inner diameter of the steel pipe pile is inserted and welded. The lower half of the joint 20 protruding from the lower end of the steel pipe pile 9 is fitted into the upper end of the excavation pipe between the pipe 9 and the steel pipe pile 9 and the excavation pipe 20 is welded and connected. Connection between steel pipe piles is made in the same way as connection between steel pipe piles and excavation pipes.
【００２６】上述のように穴１７内に設置され、鋼管杭
９を取り付けた本発明に係る装置の操作を図６の(a) 〜
(d) に基づいて説明する。 (a) 多段式伸縮ジャッキ１５、１５のロッド１５ａ、１
５ａを縮め、スライダ２の荷重を鋼管杭９に掛ける。 (b) 油圧ジャッキ１０にオイルを供給してロッド１０ａ
を伸ばしながら減速モータ１１を駆動する。かくする
と、基礎１６の荷重が油圧ジャッキ１０、減速モータ１
１を介して鋼管杭９に掛かり、鋼管杭は地盤に回転圧入
される。 (c) 油圧ジャッキ１０のロッド１０ａがいっぱいに伸び
たら減速モータ１１の駆動を停止し、ロッド１０ａを一
旦縮め、穴の中の作業員がロッド１０ａの先端と基礎１
６の下面との間に油圧ジャッキ１０のストロークと高さ
が同じか、あるいは若干高さが小なるピース２１を挿入
して挟み込み、再び油圧ジャッキ１０のロッド１０ａを
伸ばしながら減速モータ１１を駆動させて鋼管杭９をさ
らに回転圧入する。 (d) 油圧ジャッキ１０のロッド１０ａが再びいっぱいに
伸びたら、減速モータ１１の駆動を停止するとともにロ
ッド１０ａを縮め、ピース２１を外して多段式伸縮ジャ
ッキ１５、１５のロッド１５ａ、１５ａを伸ばしてスラ
イダ２を上方へ押し上げ、鋼管杭の圧入開始位置まで復
帰させる。The operation of the apparatus according to the present invention installed in the hole 17 and having the steel pipe pile 9 attached thereto as described above is shown in FIGS.
It will be explained based on (d). (a) Multi-stage telescopic jacks 15, 15 rods 15a, 1
5a is contracted, and the load of the slider 2 is applied to the steel pipe pile 9. (b) Supply oil to the hydraulic jack 10 to feed the rod 10a.
The deceleration motor 11 is driven while extending. As a result, the load on the foundation 16 is increased by the hydraulic jack 10 and the reduction motor 1.
1 to the steel pipe pile 9 and the steel pipe pile is rotationally pressed into the ground. (c) When the rod 10a of the hydraulic jack 10 is fully extended, the drive of the reduction motor 11 is stopped, the rod 10a is once contracted, and the worker in the hole makes the tip of the rod 10a and the foundation 1
A piece 21 having the same stroke as the hydraulic jack 10 or a slightly smaller height is inserted between the lower surface of the hydraulic jack 6 and the lower surface of the hydraulic jack 10, and the speed reduction motor 11 is driven while extending the rod 10a of the hydraulic jack 10 again. The steel pipe pile 9 is further press-fitted by rotation. (d) When the rod 10a of the hydraulic jack 10 is fully extended again, the drive of the reduction motor 11 is stopped, the rod 10a is contracted, the piece 21 is removed, and the rods 15a and 15a of the multistage telescopic jacks 15 and 15 are extended. The slider 2 is pushed upward and returned to the press-fitting start position of the steel pipe pile.
【００２７】圧入した鋼管杭９と減速モータ１１の回転
盤１４との間へ、作業員により新たな鋼管杭をセット
し、多段式伸縮ジャッキ１５、１５のロッドを縮めてス
ライダの荷重を鋼管杭に掛ける。A worker sets a new steel pipe pile between the press-fitted steel pipe pile 9 and the turntable 14 of the reduction motor 11, and the rods of the multistage telescopic jacks 15 and 15 are contracted to reduce the load of the slider to the steel pipe pile. Hang on.
【００２８】上述した(a) 〜(d) の操作を、鋼管杭の先
端が支持地盤に到達するまで繰り返す。The above-mentioned operations (a) to (d) are repeated until the tip of the steel pipe pile reaches the supporting ground.
【００２９】鋼管杭の先端が支持地盤に到達すると、鋼
管杭が基礎からの荷重では圧入されなくなり、このこと
から鋼管杭が支持地盤に到達したことがわかる。この
際、油圧ジャッキ１０に供給されるオイルの圧力から鋼
管杭の耐力を測定することができる。When the tip of the steel pipe pile reaches the support ground, the steel pipe pile is no longer press-fitted by the load from the foundation, which indicates that the steel pipe pile has reached the support ground. At this time, the yield strength of the steel pipe pile can be measured from the pressure of the oil supplied to the hydraulic jack 10.
【００３０】圧入後の鋼管杭に充分な耐力が得られたこ
とを確認したら装置を撤去し、適宜の方法で沈下修正を
行う。When it is confirmed that the steel pipe pile after press-fitting has a sufficient yield strength, the device is removed and the settlement is corrected by an appropriate method.
【００３１】沈下修正は、例えばジャッキアップにより
行う方法があり、この場合には回転圧入後の鋼管杭の上
部を切断して、基礎下面から鋼管杭の上端までを所定の
距離に設定し、基礎下面と鋼管杭の上端との間にジャー
ナルジャッキを設置する。The settlement correction can be carried out, for example, by jacking up. In this case, the upper part of the steel pipe pile after rotary press-fitting is cut, and a predetermined distance is set from the lower surface of the foundation to the upper end of the steel pipe pile. Install a journal jack between the bottom surface and the top of the steel pipe pile.
【００３２】基礎下の所要の位置すべてにジャーナルジ
ャッキを設置したら、各ジャーナルジャッキを適宜操作
して、基礎が水平となるように調整を行う。After the journal jacks are installed at all required positions under the foundation, the journal jacks are appropriately operated to adjust the foundation to be horizontal.
【００３３】なお、上述した実施例においてはスライダ
２の復帰手段として多段式伸縮ジャッキ１５、１５を使
用しているが、復帰手段としてはトップフレーム５にチ
ェンブロックを設け、チェンの端部をスライダ２に固定
してスライダを引き上げるようにしてもよい。In the above-described embodiment, the multistage telescopic jacks 15 and 15 are used as the return means of the slider 2, but as the return means, the top frame 5 is provided with a chain block and the chain end is a slider. Alternatively, the slider may be fixed to 2 and the slider may be pulled up.
【００３４】また、上述した実施例においては超硬切削
刃を備える掘削管１８を鋼管杭９の先端に溶接して使用
するようにしてあるが、この超硬切削刃は最初に圧入す
る鋼管杭の先端に直接設けるようにしてもよい。Further, in the above-mentioned embodiment, the excavation pipe 18 provided with the cemented carbide cutting blade is welded to the tip of the steel pipe pile 9 to be used, but this cemented carbide cutting blade is the steel pipe pile to be press-fitted first. It may be provided directly at the tip of the.
【００３５】[0035]
【発明の効果】本発明に係る沈下修正用鋼管杭の回転圧
入装置は上述した構成のものとしてあるので、次の効果
を奏し得る。Since the rotary press-fitting device for a steel pipe pile for settlement correction according to the present invention has the above-mentioned structure, the following effects can be obtained.
【００３６】鋼管杭は減速モータの駆動により回転しな
がら基礎の荷重で圧入されるので、円滑に地盤へ圧入さ
れる。鋼管杭の先端に超硬切削刃を設けることにより、
アスファルトやコンクリートがら等の障碍物が地中にあ
っても、障碍物は切削刃によって砕かれるので、鋼管杭
は支持地盤へ確実に到達する。Since the steel pipe pile is pressed by the load of the foundation while being rotated by the drive of the reduction motor, it is smoothly pressed into the ground. By providing a carbide cutting edge at the tip of the steel pipe pile,
Even if obstacles such as asphalt and concrete debris are in the ground, the obstacles are crushed by the cutting blade, so that the steel pipe pile can reach the supporting ground reliably.
【００３７】したがって、沈下修正の施工後に不動水層
の変化や地盤の変動があっても、鋼管杭の沈下が生じに
くく、施工後にも基礎の安定が保たれる。Therefore, even if there is a change in the immovable water layer or a change in the ground after the subsidence correction is performed, the subsidence of the steel pipe pile is unlikely to occur, and the foundation is kept stable even after the subsidence.
【００３８】また、圧入された鋼管杭の耐力データはス
ライダ上部の油圧ジャッキに供給されるオイルの圧力か
ら測定でき、この測定データは沈下修正時の資料データ
などとして有効に利用することができる。Further, the proof stress data of the steel pipe piles press-fitted can be measured from the pressure of the oil supplied to the hydraulic jack above the slider, and this measured data can be effectively used as the material data at the time of settlement correction.
【図１】本発明に係る装置の正面図。FIG. 1 is a front view of an apparatus according to the present invention.
【図２】同上の平面図。FIG. 2 is a plan view of the same.
【図３】図１のＡ−Ａ線断面図。3 is a cross-sectional view taken along the line AA of FIG.
【図４】図１のＢ−Ｂ線断面図。FIG. 4 is a sectional view taken along line BB of FIG.
【図５】底板部の拡大断面図。FIG. 5 is an enlarged sectional view of a bottom plate portion.
【図６】本発明に係る装置の操作手順を示す図。FIG. 6 is a diagram showing an operation procedure of the device according to the present invention.
【図７】鋼管杭と掘削管の接続状態を示す一部破断正面
図。FIG. 7 is a partially cutaway front view showing a connection state between a steel pipe pile and an excavation pipe.
【図８】基礎の一例を示す平面図。FIG. 8 is a plan view showing an example of a foundation.
【図９】従来の鋼管杭圧入手段を示す図。FIG. 9 is a view showing a conventional steel pipe pile press-fitting means.
１ 枠体 ２ スライダ ３ 柱 ４ 底板 ４ａ ガイド孔 ５ トップフレーム ６ａ、６ｂ、６ｃ ジャッキビス ７ ガイドプレート ７ａ ガイド孔 ８ ボルト ９ 鋼管杭 ９ａ ピース １０ 油圧ジャッキ １０ａ ロッド １１ 減速モータ １２ 上段スライドプレート １３ 下段スライドプレート １３ａ 突出部 １４ 回転盤 １４ａ 爪 １５ 多段式伸縮ジャッキ １５ａ ロッド １６ 基礎 １７ 施工用穴 １８ 掘削管 １９ 切削刃 ２０ 継手 ２１ ピース 1 Frame 2 Slider 3 Column 4 Bottom plate 4a Guide hole 5 Top frame 6a, 6b, 6c Jack screw 7 Guide plate 7a Guide hole 8 Bolt 9 Steel pipe pile 9a Piece 10 Hydraulic jack 10a Rod 11 Reduction motor 12 Upper slide plate 13 Lower slide Plate 13a Projection 14 Turntable 14a Claw 15 Multi-stage telescopic jack 15a Rod 16 Foundation 17 Construction hole 18 Drilling pipe 19 Cutting blade 20 Joint 21 piece
Claims (2)
油圧ジャッキの基部が上面に固定され、回転軸が鋼管杭
の上端に嵌合し、鋼管杭を鉛直軸まわりに回転させるモ
ータを下面に備えるスライダを、枠体内に沿って上下に
摺動可能に設け、前記スライダを上方へ移動させるスラ
イダの復帰手段を備えてなる沈下修正用鋼管杭の回転圧
入装置。Claim: What is claimed is: 1. A motor for rotating a steel pipe pile around a vertical axis, wherein a base portion of a hydraulic jack that expands and contracts in the vertical direction and presses the bottom surface of the foundation is fixed to the top surface, and a rotary shaft is fitted to the upper end of the steel pipe pile. A rotary press-fitting device for a subsidence-correcting steel pipe pile, comprising a slider provided on a lower surface so as to be slidable up and down along a frame body, and comprising slider returning means for moving the slider upward.
油圧ジャッキの基部が上面に固定され、回転軸が鋼管杭
の上端に嵌合し、鋼管杭を鉛直軸まわりに回転させるモ
ータを下面に備えるスライダを、枠体内に沿って上下に
摺動可能に設け、前記スライダを上方へ移動させるスラ
イダの復帰手段を備え、回転圧入する鋼管杭の先端に溶
接して使用され、下端縁に超硬切削刃を有する掘削管を
備えてなる沈下修正用鋼管杭の回転圧入装置。2. A motor for vertically expanding and contracting, a base of a hydraulic jack for pressing a lower surface of a foundation is fixed to an upper surface, a rotary shaft is fitted to an upper end of a steel pipe pile, and the steel pipe pile is rotated about a vertical axis. A slider provided on the lower surface is provided so as to be slidable up and down along the frame body, provided with a slider returning means for moving the slider upward, and is used by welding to the tip of a steel pipe pile to be rotationally press-fitted. A rotary press-fitting device for a steel pipe pile for settlement correction, comprising an excavation pipe having a carbide cutting blade.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP26313194A JP2779389B2 (en) | 1994-10-03 | 1994-10-03 | Rotary press-in device for steel pipe piles for settlement settlement |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP26313194A JP2779389B2 (en) | 1994-10-03 | 1994-10-03 | Rotary press-in device for steel pipe piles for settlement settlement |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH08100436A true JPH08100436A (en) | 1996-04-16 |
| JP2779389B2 JP2779389B2 (en) | 1998-07-23 |
Family
ID=17385252
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP26313194A Expired - Fee Related JP2779389B2 (en) | 1994-10-03 | 1994-10-03 | Rotary press-in device for steel pipe piles for settlement settlement |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP2779389B2 (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR100778521B1 (en) * | 2007-05-11 | 2007-11-22 | (주) 경성이엔지 | Device for installing an electric and telegraph pole |
| JP2012197657A (en) * | 2011-03-23 | 2012-10-18 | Akebono Sangyo:Kk | Pile press-in device |
| JP2013185403A (en) * | 2012-03-09 | 2013-09-19 | East Japan Railway Co | Erection device and erection method of reinforcement cage |
| JP2014077237A (en) * | 2012-10-09 | 2014-05-01 | Ks Consultant Co Ltd | Pile insertion device and pile insertion method |
| JP2015218535A (en) * | 2014-05-20 | 2015-12-07 | 新日鉄住金エンジニアリング株式会社 | Pile construction device, pile construction method and pile |
| JP2016056632A (en) * | 2014-09-11 | 2016-04-21 | 株式会社大林組 | Steel pipe pile press-in device and method thereof |
-
1994
- 1994-10-03 JP JP26313194A patent/JP2779389B2/en not_active Expired - Fee Related
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR100778521B1 (en) * | 2007-05-11 | 2007-11-22 | (주) 경성이엔지 | Device for installing an electric and telegraph pole |
| JP2012197657A (en) * | 2011-03-23 | 2012-10-18 | Akebono Sangyo:Kk | Pile press-in device |
| JP2013185403A (en) * | 2012-03-09 | 2013-09-19 | East Japan Railway Co | Erection device and erection method of reinforcement cage |
| JP2014077237A (en) * | 2012-10-09 | 2014-05-01 | Ks Consultant Co Ltd | Pile insertion device and pile insertion method |
| JP2015218535A (en) * | 2014-05-20 | 2015-12-07 | 新日鉄住金エンジニアリング株式会社 | Pile construction device, pile construction method and pile |
| JP2016056632A (en) * | 2014-09-11 | 2016-04-21 | 株式会社大林組 | Steel pipe pile press-in device and method thereof |
Also Published As
| Publication number | Publication date |
|---|---|
| JP2779389B2 (en) | 1998-07-23 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CA2540185C (en) | Method of constructing a pile foundation | |
| US6872031B2 (en) | Apparatus and method of supporting a structure with a pier | |
| US7044686B2 (en) | Apparatus and method for supporting a structure with a pier | |
| JP3724320B2 (en) | Construction method for underground structures | |
| JPH08100436A (en) | Rotary press-in device for settlement correcting steel pipe pile | |
| JPH11350473A (en) | Execution method for steel pipe pile | |
| JP5378066B2 (en) | Mountain fastening method | |
| JPH0593493A (en) | Constructing method for shaft in rockbed using no blasting and device therefor | |
| JPH0516279Y2 (en) | ||
| CN105926582A (en) | Prefabricated hollow component underground tunneling construction combined body, continuous wall and construction method | |
| JP4504752B2 (en) | Construction method and apparatus for tubular precast concrete member | |
| JP3782180B2 (en) | Support structure using sheet piles for earth retaining bells | |
| CN205591211U (en) | Cavity cast member underground tunnelling construction assembly and diaphragm wall | |
| JP4719041B2 (en) | Pile press-in method and pile press-out machine | |
| KR200283509Y1 (en) | Directional curve excavator for pipework | |
| CN215290116U (en) | Pile pulling part for pile pulling machine | |
| KR102087978B1 (en) | A method of pressurizing steel pipe and a method of constructing an underground structure in a lower toe pipe section | |
| JP2000248867A (en) | Method and apparatus for manufacturing dry pillar body for base ground | |
| JP3282978B2 (en) | Manhole, manhole frame, manhole construction method and underground structure | |
| JP3109574B2 (en) | Vertical hole drilling method | |
| JP2854838B2 (en) | Method and apparatus for excavating a vertical hole and excavator | |
| JP3076206B2 (en) | Excavation method of large diameter tunnel and excavation equipment used for the excavation | |
| JPH1046570A (en) | Creating construction method for underground continuous wall | |
| JP3563133B2 (en) | Pre-boring method by auger | |
| JP2002013382A (en) | Square shaft excavation device and work execution method thereof |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| R250 | Receipt of annual fees |
Free format text: JAPANESE INTERMEDIATE CODE: R250 |
|
| R250 | Receipt of annual fees |
Free format text: JAPANESE INTERMEDIATE CODE: R250 |
|
| RD02 | Notification of acceptance of power of attorney |
Free format text: JAPANESE INTERMEDIATE CODE: R3D02 |
|
| R250 | Receipt of annual fees |
Free format text: JAPANESE INTERMEDIATE CODE: R250 |
|
| R250 | Receipt of annual fees |
Free format text: JAPANESE INTERMEDIATE CODE: R250 |
|
| FPAY | Renewal fee payment (prs date is renewal date of database) |
Free format text: PAYMENT UNTIL: 20090515 Year of fee payment: 11 |
|
| FPAY | Renewal fee payment (prs date is renewal date of database) |
Year of fee payment: 12 Free format text: PAYMENT UNTIL: 20100515 |
|
| FPAY | Renewal fee payment (prs date is renewal date of database) |
Year of fee payment: 13 Free format text: PAYMENT UNTIL: 20110515 |
|
| FPAY | Renewal fee payment (prs date is renewal date of database) |
Year of fee payment: 14 Free format text: PAYMENT UNTIL: 20120515 |
|
| LAPS | Cancellation because of no payment of annual fees |