WO2010089966A1 - 組合せ鋼矢板、組合せ鋼矢板を利用した連続壁、及び組合せ鋼矢板の圧入方法 - Google Patents
組合せ鋼矢板、組合せ鋼矢板を利用した連続壁、及び組合せ鋼矢板の圧入方法 Download PDFInfo
- Publication number
- WO2010089966A1 WO2010089966A1 PCT/JP2010/000379 JP2010000379W WO2010089966A1 WO 2010089966 A1 WO2010089966 A1 WO 2010089966A1 JP 2010000379 W JP2010000379 W JP 2010000379W WO 2010089966 A1 WO2010089966 A1 WO 2010089966A1
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- WIPO (PCT)
- Prior art keywords
- steel sheet
- sheet pile
- hat
- closing member
- shaped steel
- Prior art date
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- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D5/00—Bulkheads, piles, or other structural elements specially adapted to foundation engineering
- E02D5/02—Sheet piles or sheet pile bulkheads
- E02D5/03—Prefabricated parts, e.g. composite sheet piles
- E02D5/04—Prefabricated parts, e.g. composite sheet piles made of steel
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- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D5/00—Bulkheads, piles, or other structural elements specially adapted to foundation engineering
- E02D5/20—Bulkheads or similar walls made of prefabricated parts and concrete, including reinforced concrete, in situ
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- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D7/00—Methods or apparatus for placing sheet pile bulkheads, piles, mouldpipes, or other moulds
- E02D7/20—Placing by pressure or pulling power
Definitions
- the present invention relates to a combined steel sheet pile, a continuous wall using the combined steel sheet pile, and a method for press-fitting the combined steel sheet pile.
- the combined steel sheet pile of the present invention is used as a structural member used for earth retaining walls, foundation structures, harbor river revetments and quay walls, and still water walls in the field of civil engineering and construction.
- the present invention relates to a combined steel sheet pile suitable for embedding in a general-purpose press-fitting machine, a continuous wall using the combined steel sheet pile, and a method for press-fitting the combined steel sheet pile while ensuring high vertical support force.
- Steel sheet piles used as structural members used for earth retaining walls, foundation structures, harbor river revetments and quay walls, and water barriers in the field of civil engineering and construction are provided with joints at both ends in the width direction.
- a wall surface is formed by embedding a plurality of steel sheet piles in the ground so that the joint portions of adjacent steel sheet piles fit together.
- Patent Documents 1 and 2 have proposed the following steel sheet piles as techniques for improving the vertical support force of the steel sheet piles.
- a closed cross-section portion formed by the steel sheet pile 102 and the closed steel material 103 is formed by joining the closed steel material 103 to the tip portion of the steel sheet pile 102. For this reason, when the combination steel sheet pile 101 is embedded in the ground, the clot that has entered the closed cross-section portion is compacted and the tip of the steel sheet pile 101 is closed. Therefore, a high vertical support force (tip support force) can be obtained. The larger the closed cross section, the better the tip support force.
- the combined steel sheet pile 101 to be pressed is held by the chuck of the press machine, and a static load is applied to the combined steel sheet pile 101 by a cylinder and pushed into the ground.
- a static load is applied to the combined steel sheet pile 101 by a cylinder and pushed into the ground.
- the hat-shaped steel sheet pile to which the H-section steel is attached can be gripped by a chuck of a general-purpose press-fitting machine used in the construction of the hat-shaped steel sheet pile.
- the steel sheet pile in the technology disclosed in Patent Document 2 is centered on the midpoint of the line (fitting shaft) connecting the joint portions provided at the ends of the pair of arm portions, and further the hat-shaped steel sheet pile. It is designed to have a shape that fits inside a circle with a diameter equal to the full width.
- Patent Document 2 it is possible to embed a steel sheet pile into the ground based on the press-fitting method, but it is impossible to form a closed cross section. As a result, it is not possible to ensure a high vertical support force by allowing the earth block to enter the closed cross section and compacting it.
- An object of the present invention is to provide a combined steel sheet pile and a combined steel sheet pile capable of reliably exhibiting a high vertical support force and capable of being gripped by a chuck of a press-fitting machine used in a general-purpose press-fitting method used in the construction of a hat-shaped steel sheet pile.
- the object is to provide a method for press-fitting the used continuous wall and the combined steel sheet pile.
- a first embodiment of the present invention includes a web portion, a pair of flange portions provided at both ends of the web portion, a pair of arm portions respectively provided at end portions of the pair of flange portions, A first hat-shaped steel sheet pile having a pair of joint portions respectively formed at ends of the pair of arm portions, and a side portion attached to at least a part of the first hat-shaped steel sheet pile in the length direction A closed steel sheet pile having a closing member.
- a closed cross-sectional shape formed by the first hat-shaped steel sheet pile and the closing member is included in a circle whose diameter is a line connecting the pair of joint portions.
- the side portion of the closing member may be attached to the arm portion or the flange portion of the first hat-shaped steel sheet pile.
- the closing member may be a second hat-shaped steel sheet pile.
- the closing member may be a U-shaped steel sheet pile.
- the closing member may be a joint cut steel sheet pile.
- the closing member may be a steel plate.
- the closing member may be a folded plate folded at one or more places.
- the closing member may be a curved plate bent in a curved shape.
- the curved plate may be bent along the circle.
- the closing member is attached by any means of welding, adhesion, bolt joining, rivet joining, joining with screws, joining with scissors. May be.
- the second embodiment of the present invention is a continuous wall using at least two combination steel sheet piles according to the above (1) or (2).
- the joint portions of the at least two combination steel sheet piles are connected to each other, and the lower end of the continuous wall is penetrated to the support layer.
- a third embodiment of the present invention is a continuous wall using the combined steel sheet pile described in (1) or (2) above.
- a joint portion of a third hat-shaped steel sheet pile is connected to the joint portion of the first hat-shaped steel sheet pile, and at least the lower end of the combined steel sheet pile is penetrated to the support layer.
- a fourth embodiment of the present invention is a method for press-fitting a combined steel sheet pile according to (1) or (2) above, wherein the pair of arm portions are gripped by a chuck of a press-fitting machine; And press-fitting the lower end of the combined steel sheet pile into the support layer of the ground by the press-fitting machine.
- the size of the closing member is adjusted so that the combined steel sheet pile fits inside the circle.
- the combined steel sheet pile can be gripped by a chuck using a press-fitting machine frequently used in the press-fitting method. That is, in the present invention, it is possible to press-fit a combined steel sheet pile having a closed cross section based on a so-called press-fitting method using a conventional press-fitting machine as it is. Therefore, it is possible to apply existing facilities and devices as they are, and since no special capital investment is required, it is possible to suppress an increase in construction cost.
- the closed cross section formed by the first hat-shaped steel sheet pile and the closing member is centered on the intermediate point of the fitting shaft connecting the pair of joint portions, and further, It is formed inside a circle having a diameter equal to the entire width of one hat-shaped steel sheet pile.
- the combined steel sheet pile to which the present invention is applied reliably exhibits a high vertical support force and realizes gripping by a chuck of a press-fitting machine used in a general-purpose press-fitting method used in the construction of a hat-shaped steel sheet pile. It becomes possible.
- a closing member is attached so as to close the inner open cross-section of the first hat-shaped steel sheet pile having a cross-sectional hat shape, and the closing member is a fitting connecting a pair of joint portions provided at the distal ends of the respective arm portions.
- a combined steel sheet pile is devised that is centered on the midpoint of the shaft and that is entirely shaped into a circle having a diameter equal to the full width of the first hat-shaped steel sheet pile.
- FIG. 1 is a cross-sectional view of a combined steel sheet pile 1 according to the present embodiment
- FIG. 2 is a perspective view thereof.
- a indicates the length direction of the combined steel sheet pile 1 (direction in which the combined steel sheet pile 1 is embedded)
- b indicates the width direction of the combined steel sheet pile 1
- c indicates the thickness direction of the combined steel sheet pile 1.
- the cross-sectional recessed part side in a hat-shaped steel sheet pile or a closure member is made into inner side (I), and a cross-sectional convex part side is called the outer side (O).
- the combined steel sheet pile 1 has a first hat-shaped steel sheet pile 10 and a closing member 20.
- the first hat-shaped steel sheet pile 10 includes a web part 11 formed integrally, a pair of flange parts 12, a pair of arm parts 13, and a pair of joint parts 14.
- the pair of flange portions 12 are continuously provided so as to be inclined from both sides of the web portion 11. Further, the pair of arm portions 13 are connected in parallel to the web portion 11 from the front end of the flange portion 12.
- the pair of joint portions 14 are respectively formed at the distal end portion of the arm portion 13.
- one joint part 14 and the other joint part 14 have a point-symmetric cross-sectional shape.
- This joint portion 14 has a shape that can be fitted to another joint portion 14 in another adjacent combined steel sheet pile 1 and has a fitting strength so that the joint portions 14 do not detach from each other particularly during fitting. Has been enhanced.
- the 1st hat-shaped steel sheet pile 10 used by this embodiment is a rolled steel material by hot rolling, the joint part 14 is shape
- the first hat-shaped steel sheet pile 10 has an increased bending rigidity as a whole steel sheet pile including a joint portion as compared with a steel sheet pile manufactured by cold bending a conventionally known single steel sheet. Yes.
- the closing member 20 in the present embodiment includes a pair of flange portions 22 that are continuously provided so as to incline toward the inner side (I) in the drawing from both sides of the web portion 21, and from the tips of the pair of flange portions 22. And an arm portion 23 provided in parallel with the web portion 21.
- This closing member 20 may be formed by cutting the tip of an arm portion in a second hat-shaped steel sheet pile (not shown) (joint section cut steel sheet pile).
- the closing member 20 is attached so as to close the inner open cross section of the first hat-shaped steel sheet pile 10.
- the closing member 20 is attached such that the inner surface thereof faces the inner surface of the first hat-shaped steel sheet pile 10. As a result, a closed cross section 31 having a bulge at the center is formed.
- the arm portion 23 corresponding to the end portion of the closing member 20 is attached to the arm portion 13 of the first hat-shaped steel sheet pile 10 with its bottom surface in surface contact.
- the arm portion 23 corresponding to the end portion of the closing member 20 may be attached to the flange portion 12 instead of the arm portion 13 in the first hat-shaped steel sheet pile 10.
- One end of the closing member 20 may be attached to the arm portion 13, and the other end may be attached to the flange portion 12. Further, the closing member 20 may be attached over the entire length of the first hat-shaped steel sheet pile 10 as shown in FIG. 2, or attached to only a part of the first hat-shaped steel sheet pile 10 in the longitudinal direction. May be.
- connection of the closing member 20 to the first hat-shaped steel sheet pile 10 any one of welding, adhesion, bolts, rivets, screws, scissors, etc. may be applied.
- connection of the 1st hat-shaped steel sheet pile 10 and the closing member 20 may be performed in a factory, and may be performed before or at the time of embedding at a construction site.
- this closing member 20 centering on the intermediate point 52 of the fitting shaft which connects a pair of joint part 14 provided in the front-end
- the closing member 20 may be comprised with the folded plate bent so that the web part 21, the flange part 22, and the arm part 23 mentioned above may be formed.
- FIGS. 3 and 4 show the continuous wall 5 formed by connecting the combined steel sheet piles 1 having the above-described configuration to each other.
- the continuous wall 5 is press-fitted into the intermediate layer 75 and is connected to each other via the joint portion 14 in each combination steel sheet pile 1 to constitute one wall body.
- this continuous wall 5 is comprised by arrange
- the closing member 20 may be attached to the entire length of the first hat-shaped steel sheet pile 10 as shown in FIG. 4, or may be attached to only a part of the length of the hat-shaped steel sheet pile 10. good.
- FIG. 5 shows the continuous wall 6 formed by the combined steel sheet pile 1 having the configuration as described in the first embodiment and the third hat-shaped steel sheet pile 143.
- the continuous wall 6 is formed by being press-fitted into the ground intermediate layer 75.
- the combination steel sheet pile 1 and the hat-shaped steel sheet pile 143 are alternately connected via the joint part 14, and comprise the one wall body.
- the continuous wall 6 is configured such that only the combined steel sheet pile 1 penetrates into the ground support layer 76, and the third hat-shaped steel sheet pile 143 does not reach the support layer 76.
- the closing member 20 may be attached to the entire length of the first hat-shaped steel sheet pile 10 as shown in FIG. 5, or only in a part in the steel sheet pile longitudinal direction (only a part embedded in the support layer 76). It may be attached.
- 6A and 6B show an example of a press-fitting machine used when press-fitting a combined steel sheet pile in the present invention.
- the press-fitting machine 4 has a clamp 41, a saddle 42, a main cylinder 43, a mast 44, and a chuck 45.
- the clamp 41 has a mechanism for grasping the head of the already-embedded combined steel sheet pile 1 and a function for self-propelling on the combined steel sheet pile 1.
- the saddle 42 is provided with a moving mechanism for moving the mast 44 in the front-rear direction, and is often equipped with a power source for the press-fitting machine 4 to perform various operations.
- the main cylinder 43 is configured to be movable in the vertical direction in the figure, and press-fits the combined steel sheet pile 1 held by the chuck 45 into the ground. That is, the chuck 45 is lowered based on the power of the main cylinder 43, and the combined steel sheet pile 1 is press-fitted into the ground.
- the press machine 4 having such a configuration uses the pulling resistance force of the combined steel sheet pile 1 already embedded in the ground, and embeds the next combined steel sheet pile 1 into the ground by hydraulic pressure.
- FIG. 6B is a view of the press-fitting machine 4 as viewed from above.
- the chuck 45 grips the combined steel sheet pile 1 by pressing the pair of arm portions 13 of the first hat-shaped steel sheet pile 10 in the direction indicated by the arrow D3 in the figure.
- An opening 46 is provided inside the chuck 45.
- the opening 46 is usually set with a margin so as not to contact the web portion or the flange portion of a normal steel sheet pile. However, the opening 46 is set assuming a normal steel sheet pile.
- the circle 47 takes into consideration the position of the arm portion 13 and the position of the joint portion 14 that are gripped in the direction indicated by the arrow D3 in the figure, and the position of the surrounding side wall 48 that forms the opening 46, and the like. It has been derived.
- the combined steel sheet pile 1 can be gripped by using the chuck 45 having a size corresponding to the circle 47.
- the combined steel sheet pile 1 has a shape that can be entirely contained within the circle 47 as described above.
- the circle 47 is centered at an intermediate point of a fitting shaft 51 that connects a pair of joint portions 14 provided at the tip of each arm portion 13, and further has a full width T of the hat-shaped steel sheet pile 10. Of equal diameter.
- the circle 47 is a virtual circle having a diameter connecting a pair of joint portions of the hat-shaped steel sheet pile 10 as a diameter.
- the closing member is attached to the inside of the hat-shaped steel sheet pile 10 with the inside of the closing member 20 facing each other. And it is designed so that all of the attached closing members 20 can be accommodated inside the circle 47.
- the size of the closing member 20 is particularly adjusted in advance so that the entire combined steel sheet pile 1 can be accommodated in the circle 47.
- it becomes possible to hold the combined steel sheet pile 1 with the chuck 45 by the press-fitting machine 4 frequently used in the press-fitting method. That is, in the present invention, it is possible to realize the press-fitting of the combined steel sheet pile 1 based on the so-called press-fitting method using the conventional press-fitting machine 4 as it is. Therefore, it is possible to apply existing facilities and devices as they are, and since no special capital investment is required, it is possible to suppress an increase in construction cost.
- a closed cross section 31 formed by the first hat-shaped steel sheet pile 10 and the closing member 20 is formed inside.
- the combined steel sheet pile 1 is press-fitted into the ground, it is possible to allow a clod to enter the closed cross section 31, and the clod that has entered the closed cross section 31 is compacted, and the combined steel The sheet pile 1 can be closed.
- the earth and sand of the support layer 76 can enter the closed section 31 at the lower end of the combined steel sheet pile 1 in particular. Become.
- the bottom of the combined steel sheet pile 1 can be compacted by the earth and sand of the support layer 76 that has entered, and a high vertical support force can be obtained.
- the combined steel sheet pile 1 to which the present invention is applied reliably exhibits a high vertical support force and realizes gripping by a chuck of a press-fitting machine used in a general-purpose press-fitting method used in the construction of a hat-shaped steel sheet pile. It becomes possible to do.
- the combined steel sheet pile 1 may be configured using a U-shaped steel sheet pile 80 having a U-shaped cross section as the closing member 20.
- the U-shaped steel sheet pile 80 includes a web portion 81, a flange portion 82 that is integrally provided on both sides of the web portion 81 so as to incline inward in the figure, and a joint 83 formed at the tip of the flange portion 82.
- FIG. 7A shows an example in which the joint 83 at the end of the U-shaped steel sheet pile 80 is attached to the flange 12 of the hat-shaped steel sheet pile 10, and FIG. 7B is at the end of the U-shaped steel sheet pile 80.
- the example which attached the joint 83 to the arm part 13 of the hat-shaped steel sheet pile 10 is shown. Also in these examples, the first hat-shaped steel sheet pile 10 and the closing member 20 can create the closed section 31 inside, and obtain a high vertical support force by compacting the earth and sand of the support layer 76. Is possible.
- the cross section of the combined steel sheet pile 1 is adjusted within the circle 47 so that the combination is achieved by the press-fitting machine 4 having the chuck 45 having a size corresponding to the circle 47. It is possible to grip the steel sheet pile 1 and press-fit it into the ground.
- the side edge part of the closing member 20 should just be attached to either the arm part 13 or the flange part 12 in the 1st hat-shaped steel sheet pile 10, and one end is attached to an arm part and the other end is attached to a flange part. May be.
- the combined steel sheet pile 1 may be configured using a second hat-shaped steel sheet pile 85 as the closing member 20.
- the second hat-shaped steel sheet pile 85 as the closing member 20 is integrally provided with the flange portion 22 so as to incline toward the inside in the figure on both sides of the web portion 21, and the web portion 21 extends from the tip of the flange portion 22.
- the arm portion 23 is provided in parallel to the arm portion, and the joint 24 is provided at the tip of the arm portion.
- a joint 24 corresponding to the end portion of the closing member 20 is attached to the arm portion 13 of the first hat-shaped steel sheet pile 10.
- the cross-sectional shape of the combined steel sheet pile 1 is designed to be within the circle 47.
- a folded plate 86 may be used as the closing member 20 as shown in FIG. 9A
- a folded plate 87 may be used as the closing member 20 as shown in FIG. 9B.
- the folded plate 86 has a shape bent at four locations, and surfaces 91, 92, 93, 97, and 98 are formed, respectively.
- the side end portion of the folded plate 86 is attached to the arm portion 13 of the first hat-shaped steel sheet pile 10.
- the folded plate 87 has a shape bent at two locations, and surfaces 94 and 95 are formed, respectively.
- the edge part of this folded plate 87 is attached to the arm part 13 of the 1st hat-shaped steel sheet pile 10.
- the end portions of the folded plates 86 and 87 may be attached to the flange portion 12.
- the cross-sectional shape of the combined steel sheet pile 1 is within the circle 47.
- curved plates 131 and 132 bent in a cross-sectional curve may be used as the closing member 20.
- the end of the curved plate 131 is attached to the arm portion 13, and in the example of FIG. 10B, the end of the curved plate 131 is attached to the flange portion 12.
- the cross section of the combined steel sheet pile 1 is within the circle 47. Comparing FIG. 9A and FIG. 9B, the folded plate 86 has a shape along the circle 47 rather than the folded plate 87. For this reason, since the direction of the combination steel sheet pile shape shown to FIG. 9A has a larger closed cross-sectional area, a high vertical supporting force can be exhibited.
- a single steel plate 136 may be used as the closing member 20.
- the end of the steel plate 136 is attached on the bottom surface of the arm 13.
- the cross section of the combined steel sheet pile 1 is within the circle 47. 10A and 10B, the curved plate 131 can have a larger closed cross-sectional area as long as it can be gripped by the chuck 45 by approaching the shape along the circle 47. For this reason, a high vertical support force can be exhibited.
- the combined steel sheet pile of the present invention the continuous wall using the combined steel sheet pile, and the press-in method of the combined steel sheet pile, the high vertical support force is surely exhibited, and the general-purpose press-fitting used in the construction of the hat-shaped steel sheet pile Since it can be gripped by a chuck of a press-fitting machine used in the construction method, the industrial applicability is great.
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Abstract
Description
(1)本発明の第1実施態様は、ウェブ部と、このウェブ部の両端部に設けられる一対のフランジ部と、この一対のフランジ部の端部にそれぞれ設けられる一対のアーム部と、この一対のアーム部の端部にそれぞれ形成される一対の継手部と、を有する第1のハット形鋼矢板と、前記第1のハット形鋼矢板の長さ方向の少なくとも一部に取り付けられる側部を有する閉合部材と、を有する組合せ鋼矢板である。前記第1のハット形鋼矢板と前記閉合部材とにより形成される閉合断面形状が、前記一対の継手部間を結ぶ線を直径とする円の内部に含まれる。
(2)上記(1)に記載の組合せ鋼矢板では、前記閉合部材の側部が前記第1のハット形鋼矢板の前記アーム部又は前記フランジ部に取り付けられても良い。
(3)上記(1)又は(2)に記載の組合せ鋼矢板では、前記閉合部材が第2のハット形鋼矢板であっても良い。
(4)上記(1)又は(2)に記載の組合せ鋼矢板では、前記閉合部材がU形鋼矢板であっても良い。
(5)上記(1)又は(2)に記載の組合せ鋼矢板では、前記閉合部材が、継手部切断鋼矢板であっても良い。
(6)上記(1)又は(2)に記載の組合せ鋼矢板では、前記閉合部材が鋼板であっても良い。
(7)上記(1)又は(2)に記載の組合せ鋼矢板では、前記閉合部材が、1箇所以上折り曲げられた折板であっても良い。
(8)上記(1)又は(2)に記載の組合せ鋼矢板では、前記閉合部材が、曲線状に曲げられた曲板であっても良い。
(9)上記(8)に記載の組合せ鋼矢板では、前記曲板が、前記円に沿って曲げられていても良い。
(10)上記(1)又は(2)に記載の組合せ鋼矢板では、前記閉合部材が、溶接、接着、ボルト接合、リベット接合、ビスによる接合、鋲による接合、の何れかの手段により取り付けられても良い。
4 圧入機
5、6 連続壁
10 第1のハット形鋼矢板
11 ウェブ部
12 フランジ部
13 アーム部
14 継手部
20 閉合部材
21 ウェブ部
22 フランジ部
23 アーム部
31 閉合断面
41 クランプ
42 サドル
43 メインシリンダー
44 マスト
45 チャック
46 開口
47 円
52 中間点
75 中間層
76 支持層
Claims (13)
- ウェブ部と、このウェブ部の両端部に設けられる一対のフランジ部と、この一対のフランジ部の端部にそれぞれ設けられる一対のアーム部と、この一対のアーム部の端部にそれぞれ形成される一対の継手部と、を有する第1のハット形鋼矢板と;
前記第1のハット形鋼矢板の長さ方向に沿って前記第1のハット形鋼矢板の少なくとも一部に取り付けられる閉合部材と;
を有する組合せ鋼矢板であって、
前記第1のハット形鋼矢板と前記閉合部材とにより形成される閉合断面形状が、前記一対の継手部間を結ぶ線を直径とする円の内部に含まれる;
ことを特徴とする組合せ鋼矢板。 - 前記閉合部材の側部が前記第1のハット形鋼矢板の前記アーム部又は前記フランジ部に取り付けられていることを特徴とする請求項1に記載の組合せ鋼矢板。
- 前記閉合部材が第2のハット形鋼矢板であることを特徴とする請求項1又は2に記載の組合せ鋼矢板。
- 前記閉合部材がU形鋼矢板であることを特徴とする請求項1又は2に記載の組合せ鋼矢板。
- 前記閉合部材が、継手部切断鋼矢板であることを特徴とする請求項1又は2に記載の組合せ鋼矢板。
- 前記閉合部材が鋼板であることを特徴とする請求項1又は2に記載の組合せ鋼矢板。
- 前記閉合部材が、1箇所以上折り曲げられた折板であることを特徴とする請求項1又は2記載の組合せ鋼矢板。
- 前記閉合部材が、曲線状に曲げられた曲板であることを特徴とする請求項1又は2に記載の組合せ鋼矢板。
- 前記曲板が、前記円に沿って曲げられていることを特徴とする請求項8に記載の組合せ鋼矢板。
- 前記閉合部材側部が、溶接、接着、ボルト接合、リベット接合、ビスによる接合、鋲による接合、の何れかの手段により前記第1の組合せ鋼矢板に取り付けられていることを特徴とする請求項1又は2に記載の組合せ鋼矢板。
- 請求項1又は2に記載の組合せ鋼矢板を少なくとも2つ利用した連続壁であって:
前記少なくとも2つの組合せ鋼矢板の継手部同士が連結され;
前記連続壁の下端が支持層まで貫入されている;
ことを特徴とする連続壁。 - 請求項1又は2に記載の組合せ鋼矢板を利用した連続壁であって、
前記第1のハット形鋼矢板の継手部に、第3のハット形鋼矢板の継手部が連結され;
少なくとも前記組合せ鋼矢板の下端が支持層まで貫入されていることを特徴とする連続壁。 - 請求項1又は2に記載の組合せ鋼矢板の圧入方法であって、
前記一対のアーム部を、圧入機のチャックにより把持する工程と;
前記圧入機により、前記組合せ鋼矢板の下端を地盤の支持層に圧入する工程と;
を有することを特徴とする組合せ鋼矢板の圧入方法。
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JP2010549375A JPWO2010089966A1 (ja) | 2009-02-04 | 2010-01-22 | 組合せ鋼矢板、組合せ鋼矢板を利用した連続壁、及び組合せ鋼矢板の圧入方法 |
SG2011055407A SG173493A1 (en) | 2009-02-04 | 2010-01-22 | Compound steel sheet pile, continuous wall utilizing compound steel sheet pile, and method of driving compound steel sheet pile |
CN2010800062417A CN102301072A (zh) | 2009-02-04 | 2010-01-22 | 组合钢板桩、利用组合钢板桩的连续壁、以及组合钢板桩的压入方法 |
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JP2009-023654 | 2009-02-04 |
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JP (1) | JPWO2010089966A1 (ja) |
CN (1) | CN102301072A (ja) |
SG (1) | SG173493A1 (ja) |
TW (1) | TW201033441A (ja) |
WO (1) | WO2010089966A1 (ja) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2013139695A (ja) * | 2012-01-05 | 2013-07-18 | Nippon Steel & Sumitomo Metal | 鋼矢板杭基礎および鋼矢板壁体 |
CN106062281A (zh) * | 2014-03-03 | 2016-10-26 | 杰富意钢铁株式会社 | 直线形钢板桩、使用了该直线形钢板桩的结构物的加强结构及加强方法 |
Families Citing this family (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN103572748B (zh) * | 2012-07-27 | 2015-11-18 | 杰富意钢铁株式会社 | 帽形钢板桩 |
TWI504798B (zh) * | 2013-03-28 | 2015-10-21 | Chung En Huang | 塑鋼板樁施工法及裝置 |
CN111021335B (zh) * | 2019-12-31 | 2024-08-30 | 南京图信新材料科技有限公司 | 一种组合式箱体钢板桩及其装配方法 |
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JP2008069631A (ja) * | 2007-11-30 | 2008-03-27 | Nippon Steel Corp | ハット型鋼矢板およびその形状設定方法 |
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JPH06280251A (ja) * | 1993-03-29 | 1994-10-04 | Sumitomo Metal Ind Ltd | 地中連続壁用鋼製部材 |
JP3488232B1 (ja) * | 2002-11-15 | 2004-01-19 | 新日本製鐵株式会社 | 圧延鋼矢板 |
CN201187054Y (zh) * | 2008-04-25 | 2009-01-28 | 中船第九设计研究院工程有限公司 | 组合钢板桩 |
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2010
- 2010-01-22 SG SG2011055407A patent/SG173493A1/en unknown
- 2010-01-22 CN CN2010800062417A patent/CN102301072A/zh active Pending
- 2010-01-22 WO PCT/JP2010/000379 patent/WO2010089966A1/ja active Application Filing
- 2010-01-22 JP JP2010549375A patent/JPWO2010089966A1/ja active Pending
- 2010-01-26 TW TW99102077A patent/TW201033441A/zh unknown
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JPS5478813A (en) * | 1977-12-07 | 1979-06-23 | Kawasaki Steel Co | Method of construction of combination steel sheet pile |
JP2006104727A (ja) * | 2004-10-04 | 2006-04-20 | Giken Seisakusho Co Ltd | 鋼矢板用圧入機 |
JP2008175029A (ja) * | 2007-01-22 | 2008-07-31 | Nippon Steel Corp | 地中連続壁体用鋼製部材、地中連続壁体 |
JP2008248503A (ja) * | 2007-03-29 | 2008-10-16 | Nippon Steel Corp | 鋼矢板および鋼矢板基礎構造 |
JP2008069631A (ja) * | 2007-11-30 | 2008-03-27 | Nippon Steel Corp | ハット型鋼矢板およびその形状設定方法 |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
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JP2013139695A (ja) * | 2012-01-05 | 2013-07-18 | Nippon Steel & Sumitomo Metal | 鋼矢板杭基礎および鋼矢板壁体 |
CN106062281A (zh) * | 2014-03-03 | 2016-10-26 | 杰富意钢铁株式会社 | 直线形钢板桩、使用了该直线形钢板桩的结构物的加强结构及加强方法 |
Also Published As
Publication number | Publication date |
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JPWO2010089966A1 (ja) | 2012-08-09 |
SG173493A1 (en) | 2011-09-29 |
TW201033441A (en) | 2010-09-16 |
CN102301072A (zh) | 2011-12-28 |
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