WO2021090873A1 - Structure de route, gabarit de formation, et procédé de construction de structure de route - Google Patents

Structure de route, gabarit de formation, et procédé de construction de structure de route Download PDF

Info

Publication number
WO2021090873A1
WO2021090873A1 PCT/JP2020/041331 JP2020041331W WO2021090873A1 WO 2021090873 A1 WO2021090873 A1 WO 2021090873A1 JP 2020041331 W JP2020041331 W JP 2020041331W WO 2021090873 A1 WO2021090873 A1 WO 2021090873A1
Authority
WO
WIPO (PCT)
Prior art keywords
steel pipe
pile
road structure
pipe pile
eccentric
Prior art date
Application number
PCT/JP2020/041331
Other languages
English (en)
Japanese (ja)
Inventor
仁志 尾添
聡 松永
啓介 塩田
Original Assignee
Ｊｆｅシビル株式会社
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Ｊｆｅシビル株式会社 filed Critical Ｊｆｅシビル株式会社
Priority to JP2021554967A priority Critical patent/JP7371113B2/ja
Priority to PH12021550584A priority patent/PH12021550584A1/en
Publication of WO2021090873A1 publication Critical patent/WO2021090873A1/fr
Priority to JP2023179392A priority patent/JP7490128B2/ja

Links

Images

Classifications

    • E—FIXED CONSTRUCTIONS
    • E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
    • E01C—CONSTRUCTION OF, OR SURFACES FOR, ROADS, SPORTS GROUNDS, OR THE LIKE; MACHINES OR AUXILIARY TOOLS FOR CONSTRUCTION OR REPAIR
    • E01C1/00—Design or layout of roads, e.g. for noise abatement, for gas absorption
    • E—FIXED CONSTRUCTIONS
    • E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
    • E01D—CONSTRUCTION OF BRIDGES, ELEVATED ROADWAYS OR VIADUCTS; ASSEMBLY OF BRIDGES
    • E01D15/00—Movable or portable bridges; Floating bridges
    • E01D15/24—Bridges or similar structures, based on land or on a fixed structure and designed to give access to ships or other floating structures
    • E—FIXED CONSTRUCTIONS
    • E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
    • E01D—CONSTRUCTION OF BRIDGES, ELEVATED ROADWAYS OR VIADUCTS; ASSEMBLY OF BRIDGES
    • E01D21/00—Methods or apparatus specially adapted for erecting or assembling bridges
    • E—FIXED CONSTRUCTIONS
    • E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
    • E02B—HYDRAULIC ENGINEERING
    • E02B3/00—Engineering works in connection with control or use of streams, rivers, coasts, or other marine sites; Sealings or joints for engineering works in general
    • E02B3/16—Sealings or joints
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
    • Y02A30/00—Adapting or protecting infrastructure or their operation
    • Y02A30/60—Planning or developing urban green infrastructure

Definitions

  • the present invention relates to a road structure capable of securing the slope and width required for a road without being affected by the terrain when constructing a road in a mountainous area, a formwork jig used for construction of the road structure, and a road structure. Regarding the construction method.
  • a pile head block is joined on a steel pipe pile to be driven into the ground, a girder is installed on the pile head block, and a road slab is placed on the girder.
  • a road slab is placed on the girder.
  • superstructures such as girders and floor slabs are directly provided on the upper part of the steel pipe pile protruding from the slope, and the steel pipe pile protrudes for terrain where the slope depth is deep with respect to the planned road surface. The length becomes great. In this case, the error in the position of the pile head of the steel pipe pile becomes large due to the influence of the accuracy of driving the steel pipe pile and the accuracy of the steel pipe pile.
  • the pile head block and girder must be installed by adjusting the error of the position of each pile head of a plurality of steel pipe piles due to the influence of the terrain, so that the construction period for installing the road structure is prolonged. There was a problem that the cost also increased.
  • the present invention solves the above problems, and is a road structure capable of ensuring installation accuracy regardless of the terrain and suppressing the construction period and cost, a formwork jig used for the construction of the road structure, and a construction method of the road structure.
  • the purpose is to provide.
  • the road structure according to the present invention includes a steel pipe pile including a first steel pipe pile and a second steel pipe pile placed in parallel in the first direction in which the road extends and the second direction intersecting the first direction.
  • a girder member that connects a steel pipe column connected above the first steel pipe pile, an upper end grade steel pipe installed at the upper end of the second steel pipe pile or the steel pipe column, and two adjacent upper end grade steel pipes.
  • the first steel pipe pile the second steel pipe pile, the steel pipe strut, and the upper end grade steel pipe.
  • the joint portion between the lower member and the upper member is the central axis of the lower member and the upper member. It is joined by an eccentric joining member that can be joined in a state where the central axis of the member is eccentric.
  • the form jig according to the present invention is connected to a steel pipe pile placed in parallel in the first direction in which the road extends and the second direction intersecting the first direction, and above the steel pipe pile.
  • a steel pipe strut and a steel pipe pile or a graded steel pipe installed on the steel pipe strut are provided, and among the steel pipe pile, the steel pipe strut, and the graded steel pipe, a member located below is used as a lower member.
  • the member joined above the lower member is an upper member
  • the joint portion between the lower member and the upper member is in a state where the central axis of the lower member and the central axis of the upper member are eccentric.
  • the eccentric joining member includes a tubular body, and the tubular body is installed so as to surround the outer peripheral surface of the steel pipe pile or the steel pipe column, and the tubular body and the steel pipe pile or
  • the gap formed between the steel pipe column and the steel pipe column is a mold jig used when installing the eccentric joining member of the road structure, which is filled with a filler, and surrounds the outer peripheral surface of the lower member.
  • a mold plate installed in contact with the lower end of the cylinder, an adjustment bolt for adjusting and fixing the horizontal position of the cylinder, the mold plate and the adjustment bolt are supported and detachably attached to the lower member. It is provided with a bracket to be fixed.
  • the construction method of the road structure according to the present invention is connected to a steel pipe pile to be driven into the ground in parallel in a first direction in which the road extends and a second direction intersecting the first direction, and above the steel pipe pile.
  • a steel pipe strut and a steel pipe pile or a graded steel pipe installed on the steel pipe strut are provided, and a member located below the steel pipe pile, the steel pipe strut, and the graded steel pipe is used as a lower member.
  • the member joined above the lower member is an upper member
  • the joint portion between the lower member and the upper member is in a state in which the central axis of the lower member and the central axis of the upper member are eccentric.
  • the eccentric joining member improves the position accuracy of the pile head even in a pile having a large protrusion length from the ground, and can suppress the adjustment of the position accuracy of the upper end grade steel pipe and the girder member. Regardless of the construction period and cost, the road structure can be installed.
  • FIG. It is a schematic diagram of the road structure 100 which concerns on Embodiment 1.
  • FIG. It is explanatory drawing of the cross-sectional structure of the AA part of the road structure 100 of FIG. It is explanatory drawing of the cross-sectional structure of the BB part of the road structure 100 of FIG. It is explanatory drawing of the cross-sectional structure of the CC part of the road structure 100 of FIG. It is a layout drawing of the girder member 41 of the road structure 100 of FIG. It is explanatory drawing of the cross-sectional structure around the upper end grade point steel pipe 50a of the road structure 100 which concerns on Embodiment 1.
  • FIG. It is a top view of the upper end grade point steel pipe 50a of the road structure 100 which concerns on Embodiment 1.
  • FIG. 1 It is explanatory drawing of the cross-sectional structure around the intermediate grade steel pipe 50b of the road structure 100 which concerns on Embodiment 1.
  • FIG. It is a top view of the intermediate grade steel pipe 50b of the road structure 100 which concerns on Embodiment 1.
  • FIG. 1 It is explanatory drawing of the cross-sectional structure around the intermediate grade steel pipe 150b which is a modification of the intermediate grade steel pipe 50b of the road structure 100 which concerns on Embodiment 1.
  • FIG. It is explanatory drawing of the cross-sectional structure of an example of the intermediate grade steel pipe 150b which is a modification of the intermediate grade steel pipe 50b of the road structure 100 which concerns on Embodiment 1.
  • FIG. It is a schematic diagram of the road structure 100 and the road structure 1000 of the comparative example which concerns on Embodiment 1.
  • FIG. It is explanatory drawing of the cross-sectional structure around the upper end grade point steel pipe 250a of the road structure 200 which concerns on Embodiment 2.
  • FIG. It is a top view of the upper end grade point steel pipe 250a of the road structure 200 which concerns on Embodiment 2.
  • FIG. It is a side view of the structure around the intermediate grade steel pipe 250b of the road structure 200 which concerns on Embodiment 2.
  • FIG. It is explanatory drawing of the state in which the steel pipe pile 20 is built in the hole 95. It is explanatory drawing of the structure of the formwork jig 70 used in the temporary joining process of Embodiment 3.
  • FIG. 1 This is an example of a grade girder in which an upper end grade steel pipe 250a and a cross girder 41b are integrated.
  • FIG. 26B It is explanatory drawing of the cross-sectional structure of the modified example of the road structure 100 which concerns on Embodiment 1 and the road structure 200 which concerns on Embodiment 2. It is a side view of the modified example of the road structure 100 which concerns on Embodiment 1 and the road structure 200 which concerns on Embodiment 2. It is explanatory drawing of the cross-sectional structure around the upper end grade point steel pipe 550a of the road structure 100 which concerns on Embodiment 5. FIG. It is a top view and the side view of the upper end grade point steel pipe 550a of the road structure 100 which concerns on Embodiment 5. FIG. It is sectional drawing of the FF part of FIG. 26B.
  • FIG. 1 is a schematic view of the road structure 100 according to the first embodiment.
  • FIG. 2 is an explanatory view of a cross-sectional structure of a portion AA of the road structure 100 of FIG.
  • FIG. 3 is an explanatory view of the cross-sectional structure of the BB portion of the road structure 100 of FIG.
  • FIG. 4 is an explanatory view of the cross-sectional structure of the CC portion of the road structure 100 of FIG.
  • FIG. 5 is a layout diagram of the girder member 41 of the road structure 100 of FIG.
  • the road structure 100 is installed on a ground with large undulations such as a mountainous area.
  • the road structure 100 is used, for example, when a road is provided along a slope in a mountainous area, when an existing road provided along the slope is widened, or when a road is passed across a swamp in a mountainous area. It is a structure. In the first embodiment, the road structure 100 installed along the slope of the mountainous area will be described.
  • the road structure 100 includes a plurality of steel pipe piles 20 placed in the ground 90.
  • the steel pipe pile 20 is built in a hole provided in the ground 90 so that the pile head 12 projects from the surface 94 of the ground 90.
  • the ground 90 penetrates the sedimentary layer 92 by a down-the-hole hammer or the like, and is drilled to the support layer 93.
  • the steel pipe pile 20 is erected in the ground 90 by building the steel pipe pile 20 in the hole provided in the ground 90 and filling the hole with a filler such as concrete or mortar.
  • a plurality of steel pipe piles 20 are driven into the ground 90 in parallel with the first direction in which the road extends.
  • the girder member 41 is arranged so as to be bent along a slope or the like, and the road is configured by installing a road slab 99 on the girder member 41.
  • the first direction is the direction along this road.
  • the plurality of steel pipe piles 20 of the road structure 100 include a first steel pipe pile 20a and a second steel pipe pile 20b.
  • a steel pipe column 30 is connected to the first steel pipe pile 20a above. The steel pipe column 30 is joined to the upper end of the first steel pipe pile 20a according to the height from the surface 94 of the ground 90 on which the road slab 99 and the girder member 41 are installed.
  • the triangular symbol shown in FIG. 1 indicates the joint portion 11 between the first steel pipe pile 20a and the steel pipe column 30.
  • the eccentric joining member 60 (see FIGS. 6 and 8) joins the lower member located on the ground 90 side and the upper member joined above the lower member.
  • the columnar structure erected on the ground 90 may be referred to as a support pile 10.
  • the structure in which the above-mentioned first steel pipe pile 20a and the steel pipe column 30 are joined may be referred to as a support pile 10a.
  • the steel pipe column 30 is joined to the pile head 21a of the first steel pipe pile 20a and extends upward.
  • An upper end grade steel pipe 50a is joined to the pile head 12 of the steel pipe column 30.
  • the upper end grade point steel pipe 50a is joined to the pile head 12 of the steel pipe column 30 by using an eccentric joining member 60.
  • the upper end grade steel pipe 50a is connected to the upper end grade steel pipe 50a adjacent to each other in the first direction by a girder member 41.
  • the girder member 41 installed along the first direction is particularly referred to as a vertical girder 41a.
  • the upper end grade steel pipe 50a is connected to the adjacent upper end grade steel pipe 50a in parallel in the second direction intersecting the first direction by a girder member 41.
  • the girder member 41 installed along the second direction is particularly referred to as a cross girder 41b.
  • two steel pipe piles 20 are arranged along the second direction intersecting the first direction.
  • the cross girder 41b connects the pile heads 12 arranged in the second direction.
  • the girder member 41 is installed along the first direction and the second direction, and connects the pile heads 12 of the support piles 10 via the upper end grade point steel pipe 50a, respectively.
  • a floor slab fixing member 42 is installed on the upper surface of the girder member 41 and the upper end grade steel pipe 50a.
  • the road floor slab 99 is fixed to the girder member 41 and the upper end grade steel pipe 50a via the floor slab fixing member 42.
  • Two or more steel pipe piles 20 may be arranged in the second direction intersecting the first direction.
  • the cross girder 41b is provided with a connecting portion 43 at the center.
  • a vertical girder 41a is connected to the connecting portion 43.
  • the vertical girder 41a connected to the connecting portion 43 connects the connecting portions 43 of the horizontal girders 41b adjacent to each other in the first direction.
  • the upper end grade steel pipe 50a is connected to the upper side of the second steel pipe pile 20b.
  • the upper end grade point steel pipe 50a is joined to the pile head 12 of the second steel pipe pile 20b by using an eccentric joining member 60.
  • the upper end grade steel pipe 50a joined to the second steel pipe pile 20b is the same as the upper end grade steel pipe 50a joined to the support pile 10a with the upper end grade steel pipe 50a adjacent to each other in the first direction and the second direction. It is connected.
  • the second steel pipe pile 20b may be referred to as a support pile 10b.
  • the support pile 10a is provided with an intermediate grade steel pipe 50b.
  • the intermediate grade steel pipe 50b is installed in the central portion of the steel pipe column 30 of the support piles 10a. That is, the intermediate grade steel pipe 50b is provided on the support pile 10a having a large protrusion length from the ground 90 in the road structure 100.
  • the intermediate grade steel pipe 50b is connected to the intermediate grade steel pipe 50b provided on the adjacent steel pipe columns 30 by a beam member 40.
  • the beam member 40 installed along the first direction is particularly referred to as a vertical beam 40a.
  • the intermediate grade steel pipe 50b is connected to the intermediate grade steel pipe 50b installed on the supporting piles 10 adjacent to each other in the second direction intersecting the first direction by the beam member 40.
  • the beam member 40 installed along the second direction is particularly referred to as a cross beam 40b.
  • the beam member 40 may be installed at an angle as shown in FIGS. 1 and 3, or may be installed horizontally as shown in FIG. Further, the intermediate grade steel pipe 50b is not limited to the one installed on the steel pipe column 30 as shown in FIGS. 1 and 4, and may be installed on the second steel pipe pile 30b as shown in FIG. good.
  • FIG. 6 is an explanatory view of a cross-sectional structure around the upper end grade point steel pipe 50a of the road structure 100 according to the first embodiment.
  • FIG. 7 is a top view of the upper end grade point steel pipe 50a of the road structure 100 according to the first embodiment.
  • the upper end grade point steel pipe 50a and the support pile 10 are joined by an eccentric joining member 60a.
  • the eccentric joining member 60a is a part of the upper end grade steel pipe 50a and is for being combined with the pile head 12 of the support pile 10 so that the position of the upper end grade steel pipe 50a with respect to the pile head 12 can be adjusted. ..
  • the upper end grade point steel pipe 50a can be joined to the support pile 10 by the eccentric joining member 60a even when the positions of the support pile 10 and the central axis are deviated from each other.
  • the eccentric joining member 60a that joins the upper end grade steel pipe 50a and the pile head 12 may be particularly referred to as a first eccentric joining member.
  • the eccentric joint member 60a is composed of at least a steel pipe member 51a and a support member 55a, which are cylinders constituting the upper end grade steel pipe 50a.
  • the steel pipe member 51a has a cylindrical shape.
  • a support member 55a is installed above the inside of the steel pipe member 51a.
  • the support member 55a passes through the central axis C of the cylindrical steel pipe member 51a and is formed by combining plate-shaped members in a cross shape.
  • the steel pipe member 51a is not limited to a cylindrical shape, and may be a cylindrical body having a cross-sectional shape such as a rectangle or a polygon.
  • the upper end grade steel pipe 50a includes a vertical girder joint 52a and a horizontal girder joint 53a to which the girder member 41 is connected.
  • the vertical girder joint 52a, the horizontal girder joint 53a, and the girder member 41 sandwich the end of the vertical girder joint 52a or the horizontal girder joint 53a and the end of the girder member 41 with the splicing plate 44, and bolt. And nuts are used to fix and connect the splicing plate 44 and the ends of the respective members.
  • the upper end grade steel pipe 50a has a plate-shaped member attached to the upper part, and the upper surface 57a is flat.
  • the upper surface 57a may be inclined according to the inclination of the road.
  • a filling hole 56a that penetrates the plate-shaped member is opened in the upper surface 57a.
  • the filling hole 56a is a hole for injecting the filler 80 into the space between the pile head 12 and the steel pipe member 51a, and communicates the outside with the space inside the steel pipe member 51a.
  • the end surface 14 of the pile head 12 of the support pile 10a or 10b abuts on the lower surface of the support member 55a.
  • the position of the upper end grade steel pipe 50a in the central axis direction of the support pile 10, that is, the position in the height direction is determined.
  • the steel pipe member 51a surrounds the outer peripheral surface of the upper end portion of the support pile 10.
  • a gap is formed between the inner surface of the steel pipe member 51a and the outer surface of the support pile 10, and the upper end grade steel pipe 50a has the support pile 10 by the amount of the gap. On the other hand, it can be moved in the horizontal direction. As shown in FIGS.
  • the support member 55a is formed by combining plate-shaped members in a cross shape, but may take other forms.
  • the support member 55a can hold the upper end grade steel pipe 50a on the end surface 14 of the pile head 12, and may have another structure as long as it does not interfere with the injection of the filler 80.
  • the position of the pile head 12 of the support pile 10 may deviate from the assumed position.
  • the position error of the pile head 12 may increase due to the accuracy and joining accuracy of the steel pipe pile 20 and the steel pipe column 30 individually.
  • the steel pipe member 51a of the upper end grade steel pipe 50a has a cylindrical shape and the pile head 12 has a cylindrical shape
  • the inner diameter of the steel pipe member 51a is set to be 300 mm larger than the outer diameter of the pile head 12.
  • the upper end grade steel pipe 50a can be installed at the correct position even if the pile head 12 has a horizontal position error of 100 mm, and the filling property of the filler 80 can be ensured.
  • the filler 80 is filled in the gap between the steel pipe member 51a and the pile head 12 through the filling hole 56a opened in the upper surface 57a of the upper end grade steel pipe 50a.
  • the steel pipe member 51a is open at the bottom. Therefore, in the filling step of the filler 80, the formwork jig 70 (see FIG. 17) is brought into contact with the lower end surface of the steel pipe member 51a to close the opening so that the filler 80 does not leak from below.
  • the formwork jig 70 will be described separately.
  • Projections 54 and 13 are provided on the inner surface of the steel pipe member 51a forming a gap between the steel pipe member 51a filled with the filler 80 and the pile head 12 and the outer surface of the pile head 12.
  • the filler 80 Since the protrusions 54 and 13 mesh with the solidified filler 80, the filler 80 does not shift in the direction along the inner surface of the steel pipe member 51a and the outer surface of the pile head 12, and the upper end grade steel pipe 50a and the support pile.
  • the load transmission to and from 10 can be improved.
  • the protrusions 13 and 54 may be formed by bending a reinforcing bar or a steel bar and fixing them by welding.
  • the steel pipe member 51a and the support pile 10 may be formed of a steel plate material with protrusions.
  • a ribbed steel pipe formed of a striped steel plate having protrusions in the vertical and horizontal directions on the surface of the steel plate and a ribbed steel plate having protrusions having a height of about 2 mm arranged in parallel may be used.
  • the striped steel plate or the ribbed steel pipe it is possible to reduce the construction cost and the process for welding and joining the protrusion 54 to the steel pipe member 51a and the protrusion 13 to the support pile 10.
  • the protrusions 13 and 54 integrally formed in advance improve the fixing strength of the slip prevention protrusion, the steel pipe member 51a of the upper end grade steel pipe 50a can reduce the dimension in the height direction.
  • FIG. 8 is an explanatory view of a cross-sectional structure around an intermediate grade steel pipe 50b of the road structure 100 according to the first embodiment.
  • FIG. 9 is a top view of the intermediate grade steel pipe 50b of the road structure 100 according to the first embodiment.
  • the intermediate grade steel pipe 50b and the support pile 10 are joined by an eccentric joining member 60b.
  • the eccentric joint member 60b is a part of the intermediate grade steel pipe 50b, and is for being combined with the support pile 10 so that the position of the intermediate grade steel pipe 50b with respect to the support pile 10 can be adjusted. That is, the intermediate grade steel pipe 50b can be joined to the support pile 10 by the eccentric joining member 60b even when the positions of the support pile 10 and the central axis are deviated from each other.
  • the eccentric joint member 60b is composed of at least a steel pipe member 51b constituting an intermediate grade steel pipe 50b.
  • the steel pipe member 51b is a tubular body and has a cylindrical shape in the first embodiment.
  • the steel pipe member 51b is not limited to a cylindrical shape, and may be a cylindrical body having a cross-sectional shape such as a rectangle or a polygon.
  • the steel pipe member 51b which is a tubular body surrounding the support pile 10, can be joined in a state where the central axis is deviated from the central axis of the support pile 10, and is particularly referred to as a second eccentric joining member.
  • the intermediate grade steel pipe 50b includes a vertical beam joint 52b and a horizontal beam joint 53b to which the beam member 40 is connected.
  • the vertical beam joint 52b, the horizontal beam joint 53b, and the beam member 40 are formed by using a splicing plate 44 to connect the end of the vertical beam joint 52b or the horizontal beam joint 53b and the end of the beam member 40 in the same manner as the girder member 41.
  • the splicing plate 44 and the end portions of the respective members are fixed and connected by sandwiching, bolts and nuts.
  • the steel pipe member 51b of the intermediate grade steel pipe 50b is a tubular body, its ends in the vertical direction are open. Therefore, the upper end of the gap between the steel pipe member 51b and the support pile 10 serves as a filling port 56b and serves as an opening for injecting the filler 80 into the space between the steel pipe member 51b and the support pile 10, and the outside and the steel pipe member 51a It communicates with the internal space.
  • the intermediate grade steel pipe 50b Before the filler 80 is filled, a gap is formed between the inner surface of the steel pipe member 51b and the outer surface of the support pile 10, and the intermediate grade steel pipe 50b has the support pile 10 by the amount of the gap. On the other hand, it can be moved in the horizontal direction.
  • the formwork is applied to the lower end surface of the intermediate grade steel pipe 50b when the intermediate grade steel pipe 50b is attached to the support pile 10.
  • the tool 70 (see FIG. 17) is brought into contact with the intermediate grade steel pipe 50b from below.
  • the formwork jig 70 also has a function of preventing the filler 80 from leaking from the lower opening when the filler 80 is filled.
  • the position of the support pile 10 may deviate from the expected position.
  • the positional error of the support pile 10 may increase due to the accuracy and joining accuracy of the steel pipe pile 20 and the steel pipe column 30 individually.
  • the steel pipe member 51b of the intermediate grade steel pipe 50b has a cylindrical shape and the support pile 10 has a cylindrical shape
  • the inner diameter of the steel pipe member 51b is set to be 300 mm larger than the outer diameter of the support pile 10.
  • Projections 54 and 13 are provided on the inner surface of the steel pipe member 51b and the outer surface of the support pile 10 that form a gap between the steel pipe member 51b filled with the filler 80 and the support pile 10. Since the protrusions 54 and 13 mesh with the solidified filler 80, the filler 80 does not shift in the direction along the inner surface of the steel pipe member 51b and the outer surface of the support pile 10, and the intermediate grade steel pipe 50b and the support pile do not shift. The load transmission to and from 10 can be improved.
  • the protrusions 13 and 54 may be formed by bending a reinforcing bar or a steel bar and fixing them by welding.
  • the steel pipe member 51b and the support pile 10 may be formed of a steel plate material with protrusions.
  • a ribbed steel pipe formed of a striped steel plate having protrusions in the vertical and horizontal directions on the surface of the steel plate and a ribbed steel plate having protrusions having a height of about 2 mm arranged in parallel may be used.
  • the striped steel plate or the ribbed steel pipe it is possible to reduce the construction cost and the process for welding and joining the protrusion 54 to the steel pipe member 51b and the protrusion 13 to the support pile 10.
  • the protrusions 13 and 54 integrally formed in advance improve the fixing strength of the slip prevention protrusion, the steel pipe member 51b of the intermediate grade steel pipe 50b can reduce the dimension in the height direction.
  • FIG. 10 is an explanatory view of a cross-sectional structure around an intermediate grade steel pipe 150b, which is a modification of the intermediate grade steel pipe 50b of the road structure 100 according to the first embodiment.
  • the intermediate grade steel pipe 50b for example, the first steel pipe pile 20a and the steel pipe column 30 can be joined by installing the support member 55b inside the steel pipe member 51b.
  • the intermediate grade steel pipe 150b of the modified example includes a support member 55b having the same structure as the support member 55a provided in the upper end grade steel pipe 50a inside the steel pipe member 51b.
  • the end surface 22a of the pile head 21a of the first steel pipe pile 20a abuts on the lower surface of the support member 55b.
  • the position of the intermediate grade steel pipe 150b in the central axis direction that is, the position in the height direction is determined.
  • a gap is formed between the inner surface of the steel pipe member 51b and the outer surface of the second steel pipe pile 20b, and the intermediate grade steel pipe 150b is formed by the amount of the gap. It can be moved in the horizontal direction with respect to the second steel pipe pile 20b. As shown in FIGS.
  • the support member 55a is formed by combining plate-shaped members in a cross shape, but may take other forms.
  • the support member 55a can hold the intermediate grade steel pipe 150b on the end surface 14 of the pile head 12, and may have another structure as long as it does not interfere with the injection of the filler 80.
  • the end surface 31 of the steel pipe column 30 is placed on the upper surface of the support member 55b.
  • the position of the steel pipe column 30 in the central axis direction that is, the position in the height direction is determined.
  • a gap is formed between the inner surface of the steel pipe member 51b and the outer surface of the steel pipe support column 30, and the steel pipe support column 30 has a gap with respect to the steel pipe member 51b by the amount of the gap. , Can be moved horizontally.
  • the intermediate grade steel pipe 150b includes a steel pipe member 51b which is a tubular body and a support member 55a, and joins the upper member and the lower member.
  • the steel pipe member 51b and the support member 55a are particularly referred to as a second eccentric joining member.
  • FIG. 11 is an explanatory view of a cross-sectional structure of an example of an intermediate grade steel pipe 150b, which is a modification of the intermediate grade steel pipe 50b of the road structure 100 according to the first embodiment.
  • the intermediate grade steel pipe 150b may include a bolt 57 screwed from the outside to the inside of the steel pipe member 51b.
  • the bolt 57 adjusts the positions of the lower member and the upper member constituting the support pile 10 with respect to the steel pipe member 51b, and temporarily fixes the bolt 57. After the filler 80 is filled and solidified inside the intermediate grade steel pipe 50b, the head of the bolt 57 may be removed.
  • the first steel pipe pile 20a and the second steel pipe pile 20a and the second steel pipe pile are driven into the ground 90 in parallel with the first direction in which the road extends and the second direction intersecting the first direction.
  • 20b a steel pipe column 30 connected above the first steel pipe pile 20a, an upper end grade steel pipe 50a installed at the upper end of the second steel pipe pile 20b or the steel pipe column 30, and two adjacent upper end grade steel pipes 50a.
  • a girder member 41 to be connected, an upper end grade steel pipe 50a, and a road slab 99 installed on the girder member 41 are provided.
  • the member located below is the lower member and the member joined above the lower member is the upper member among the first steel pipe pile 20a, the second steel pipe pile 20b, the steel pipe column 30, and the upper end grade steel pipe 50a.
  • the joint portion between the lower member and the upper member is joined by an eccentric joining member 60 that can be joined in a state where the central axis of the lower member and the central axis of the upper member are eccentric.
  • the central axis of the lower member located below and the upper member joined above the lower member is the amount of error.
  • the position can be adjusted by shifting it. Therefore, when the support pile 10 is erected on the ground 90, the accuracy of the position of the upper end grade steel pipe 50a can be easily ensured, and the road structure 100 can suppress the construction period and the cost while ensuring the accuracy.
  • the eccentric joining member 60 includes at least a first eccentric joining member 60a
  • at least one of the upper end grade steel pipes 50a includes a first eccentric joining member 60a including a tubular body.
  • the tubular body is larger than the outer shape of the steel pipe pile 20 and the outer shape of the steel pipe column 30, and is installed so as to surround the outer surface of the steel pipe pile 20 or the steel pipe column 30. Then, the gap formed between the tubular body and the steel pipe pile 20 or the steel pipe column 30 is filled with the filler 80. With this configuration, the position of the upper end grade steel pipe 50a can be easily adjusted even if there is an error in the position of the pile head 12 of the support pile 10.
  • a beam member connecting two intermediate grade steel pipes 50b adjacent to each other with the intermediate grade steel pipe 50b installed on the first steel pipe pile 20a, the second steel pipe pile 20b, or the steel pipe column 30. 40 and more are provided.
  • the eccentric joining member 60 includes at least the second eccentric joining member 60b, and is located below the first steel pipe pile 20a, the second steel pipe pile 20b, the steel pipe column 30, the upper end grade steel pipe 50a, and the intermediate grade steel pipe 50b.
  • the member to be joined is a lower member and the member joined above the lower member is an upper member, the joint portion between the lower member and the upper member is joined by the second eccentric joining member 60b.
  • the intermediate grade steel pipe 50b includes a second eccentric joint member 60b including a tubular body.
  • the tubular body is larger than the outer shape of the steel pipe pile 20 and the outer shape of the steel pipe column 30, and is installed so as to surround the outer surface of the steel pipe pile 20 or the steel pipe column 30.
  • the gap formed between the intermediate grade steel pipe 50b and the steel pipe pile 20 or the steel pipe column 30 is filled with the filler 80.
  • the installation position of the intermediate grade steel pipe 50b can be adjusted by the gap between the steel pipe member 51b and the support pile 10, so that the intermediate grade steel pipe 50b can be installed. It's easy.
  • FIG. 12 is a schematic view of the road structure 100 according to the first embodiment and the road structure 1000 of the comparative example.
  • the road structure 100 according to the first embodiment includes intermediate grade steel pipes 50b, and adjacent intermediate grade steel pipes 50b are connected to each other by a beam member 40. Therefore, as shown in FIG. 12A, the bending moment generated in the support pile 10a with respect to the input F due to the seismic force is suppressed by the intermediate grade steel pipe 50b, and the displacement ⁇ x is also suppressed.
  • the road structure 1000 of the comparative example neither the intermediate grade steel pipe 50b nor the beam member 40 is installed. Therefore, as shown in FIG. 12B, the bending moment generated in the support pile 10a with respect to the input F due to the seismic force is larger than that of the road structure 100 according to the first embodiment, and the displacement ⁇ x1 is also large.
  • the road structure 100 can improve the reliability.
  • superstructures such as a girder member 41 and a road slab 99 are directly provided on the upper part of the support pile 10 protruding from the ground 90. Therefore, when the depth of the slope is deep with respect to the planned road surface and the projecting length of the support pile 10 from the ground 90 becomes large, the road structure 1000 of the comparative example is opposed to the seismic force acting on the superstructure.
  • the road structure 1000 of the comparative example has a problem that it cannot be applied to a terrain in which the protruding height of the support pile 10 is larger than about 10 m.
  • the road structure 100 according to the first embodiment as described above, the bending moment and the displacement ⁇ x can be suppressed even if the protrusion length of the support pile 10 from the ground 90 is large. Therefore, the road structure 100 has an advantage that it can be installed regardless of the terrain.
  • the road structure 200 according to the second embodiment is a modification of the structure of at least a part of the eccentric joint members 60 with respect to the road structure 100 according to the first embodiment.
  • the changes to the first embodiment will be mainly described.
  • those having the same function in each drawing shall be indicated with the same reference numerals as those used in the description of the first embodiment.
  • FIG. 13 is an explanatory view of a cross-sectional structure around the upper end grade steel pipe 250a of the road structure 200 according to the second embodiment.
  • FIG. 14 is a top view of the upper end grade point steel pipe 250a of the road structure 200 according to the second embodiment.
  • the upper end grade steel pipe 250a of the road structure 200 according to the second embodiment includes a vertical girder joint 52a for connecting the steel pipe member 251a and the vertical girder 41a and a horizontal girder joint 53a for connecting the horizontal girder 41b, and has an upper surface 57a. Is flat.
  • An eccentric joining member 260 is joined to the end face 14 of the pile head 12 of the support pile 10.
  • the lower end surface of the eccentric joining member 260 is joined to the pile head 12 of the support pile 10, and the upper end surface is formed by the plate member 261.
  • the upper surface 262 of the plate member 261 is flat so that the lower end surface 254a of the steel pipe member 251a of the upper end grade steel pipe 250a can be placed.
  • the upper surface 262 of the plate member 261 is formed to be larger than the lower end surface 254a of the steel pipe member 251a. Therefore, the steel pipe member 251a of the upper end grade steel pipe 250a can be placed on the upper surface 262 of the eccentric joint member 260 so as to be displaced in the horizontal direction.
  • the support pile 10 and the upper end grade point steel pipe 250a can be joined in a state where the central axes are eccentric to each other by using the eccentric joining member 260.
  • the eccentric joining member 260 in the second embodiment may be referred to as a third eccentric joining member 260.
  • the upper surface 262 may be referred to as a joint surface.
  • FIG. 15 is a side view of the structure around the intermediate grade steel pipe 250b of the road structure 200 according to the second embodiment.
  • the eccentric joining member 260 may be used for joining the intermediate grade steel pipe 250b and the first steel pipe pile 20a.
  • the steel pipe member 251b of the intermediate grade steel pipe 250b has the same cross-sectional shape as the first steel pipe pile 20a.
  • the intermediate grade steel pipe 250b is composed of a steel pipe member 251b, a vertical beam joint 52b, and a horizontal beam joint 53b.
  • the intermediate grade steel pipe 250b may be integrated with the steel pipe column 30 in the first embodiment. With this configuration, the beam member 40 can be installed on the support pile 10a formed by joining using the eccentric joining member 260.
  • Embodiment 3 In the third embodiment, the construction method of the road structure 100 according to the first embodiment will be described.
  • steel pipe piles 20 are first driven into the ground 90 in parallel with the first direction in which the road extends and the second direction intersecting the first direction. This process is called a steel pipe pile driving process.
  • a hole is drilled in the ground 90 using a down-the-hole hammer or the like to form a hole 95 in which the steel pipe pile 20 is built.
  • the hole 95 penetrates the sedimentary layer 92 on the surface 94 side of the ground 90 and reaches the support layer 93.
  • FIG. 16 is an explanatory view of a state in which the steel pipe pile 20 is built in the hole 95.
  • the portion on the right side from the center line of FIG. 16 shows the structure in the cross section including the central axis of the steel pipe pile 20.
  • the steel pipe pile 20 is built in the hole 95 so that the tip reaches the bottom surface 96 of the hole 95.
  • the filler 80 is injected from the opening at the upper end of the steel pipe pile 20.
  • the filler 80 for example, mortar or concrete is used.
  • the filler 80 passes through the hollow tubular steel pipe pile 20 and connects the hole 95 and the outer surface of the steel pipe pile 20 from the through hole 15 provided at the end of the steel pipe pile 20 on the bottom surface 96 side of the hole 95. It flows into the gap 97 between them.
  • the filler 80 that has flowed into the gap 97 rises in the gap 97 as the space inside the steel pipe pile 20 is filled with the filler 80. If it can be confirmed that the filler 80 flows out from the gap 97 from the surface 94 of the ground 90, it can be confirmed that the gap 97 between the steel pipe pile 20 and the hole 95 is filled with the filler 80. When the filler 80 is directly filled from the surface 94 of the ground 90 into the gap 97 between the steel pipe pile 20 and the hole 95, it is difficult to evenly fill the filler 80 around the steel pipe pile 20.
  • the surface of the hole 95 may not be smooth and earth and sand may be mixed in the filler 80, or the filler 80 may not be sufficiently filled up to the bottom surface 96. If the filling material 80 is insufficiently filled, the bearing capacity of the steel pipe pile 20 may not be able to secure the design value. However, according to the steel pipe pile driving step in the third embodiment, the steel pipe pile 20 is surely driven into the ground 90 by performing as described above.
  • a plurality of steel pipe piles 20 are used for road structures 100 and 200.
  • the plurality of steel pipe piles 20 are all driven into the ground 90 by the above-mentioned steel pipe pile driving step.
  • the steel pipe column 30 is temporarily joined to the first steel pipe pile 20a among the plurality of steel pipe piles 20, and the support pile 10a is temporarily assembled. Further, the upper end grade steel pipe 50a is temporarily joined to the pile head 12 of the support pile 10a and the pile head 21b of the second steel pipe pile 20b among the plurality of steel pipe piles 20.
  • Temporary joining is to temporarily install the steel pipe column 30, the upper end grade steel pipe 50a, and the intermediate grade steel pipe 50b on the steel pipe pile 20 by using the formwork jig 70. This is called a temporary joining process. The details of the temporary joining process will be described below.
  • FIG. 17 is an explanatory diagram of the structure of the formwork jig 70 used in the temporary joining step of the third embodiment.
  • FIG. 17 shows a diagram when the upper end grade steel pipe 50a is installed on the steel pipe pile 20, but the method of using the formwork jig 70 is the same even when the intermediate grade steel pipe 50b is installed.
  • the formwork jig 70 is used on the pile head 21 of the steel pipe pile 20.
  • the formwork jig 70 includes a bracket 71 that supports the formwork plate 74.
  • the bracket 71 is connected to the fixing band 73.
  • the fixing band 73 is detachably fixed to the steel pipe pile 20 so as to surround the outer surface of the steel pipe pile 20, and fixes the position of the bracket 71.
  • the process of installing the formwork jig 70 on the steel pipe pile 20 by the fixing band 73 is particularly called a formwork installation process.
  • the formwork installation process is included in the temporary joining process.
  • the intermediate grade steel pipe 50b is installed so as to bring the form plate 74 of the form jig 70 into contact with the lower end surface of the steel pipe member 51b.
  • This process is called a cylinder installation process.
  • the cylinder installation process is included in the joining process.
  • the formwork plate 74 is installed so that the filler 80 injected into the intermediate grade steel pipe 50b does not leak out.
  • the bracket 71 includes an adjustment bolt 75.
  • the tip of the adjusting bolt 75 comes into contact with the outer peripheral surface of the steel pipe member 51b of the intermediate grade steel pipe 50b placed on the form plate 74.
  • the adjusting bolt 75 is screwed with the nut member 76, so that the position of the tip can be adjusted with high accuracy and the position of the steel pipe member 51b of the intermediate grade steel pipe 50b can be temporarily fixed.
  • the step of adjusting and fixing the horizontal position of the steel pipe member 51b of the intermediate grade steel pipe 50b in this way is called a fixing step.
  • the fixing step is included in the temporary joining step.
  • the steel pipe column 30 is built in the intermediate grade steel pipe 50b. This is called the steel pipe support building process.
  • the steel pipe support building process is included in the temporary joining process.
  • the upper end grade steel pipe 50a is attached to the pile head 12 of the support pile 10a and the second steel pipe pile 20b to which the steel pipe column 30 is connected to the first steel pipe pile 20a.
  • the installation of the upper end grade steel pipe 50a is carried out by a formwork installation step, a cylinder installation step, and a fixing step in the same manner as the installation of the intermediate grade point steel pipe 50b at the pile head 21 of the steel pipe pile 20.
  • the beam member 40 is installed. This process is called a beam member installation process. Further, the girder member 41 is installed after the upper end grade point steel pipe 50a is installed. This process is called a girder member installation process.
  • the beam member installation process and the girder member installation process can be included in the temporary joining process.
  • the support piles 10a and 10b can be temporarily assembled by using the formwork jig 70 as described above without injecting the filler 80 into the grade steel pipe 50. .. Therefore, a lining plate (not shown) can be installed on the temporarily assembled support piles 10a and 10b, and the support piles 10a and 10b can be erected one after another in the first direction along the road. That is, the steel pipe placing process and the temporary joining process are alternately repeated until the support piles 10a and 10b for the entire length of the road or the predetermined length of the road are completed. The above steps are collectively called the support pile erection process.
  • the graded steel pipe 50 is a general term for the upper end graded steel pipe 50a and the intermediate graded steel pipe 50b.
  • the injection solidification step may be carried out for all the graded steel pipes 50 after the support piles 10a and 10b in the temporarily assembled state for the entire length of the road are erected.
  • the road structure 100 When the road structure 100 is installed without using the formwork jig 70, the first support pile 10 is erected in the first direction along the road, and the filler 80 injected into the grade steel pipe 50 is solidified and then covered. The formwork is installed on the support pile 10. Then, a heavy machine is placed on the installed lining plate, and the next support pile 10 is built. In the case of such a process, the injection and solidification step of the filler 80 is required every time the support pile 10 is built, so that the construction period becomes long. On the other hand, the road structure 100 has an advantage that the construction period can be shortened because the number of injection and solidification steps of the filler 80 can be suppressed by using the formwork jig 70.
  • the lining slab is removed after the injection solidification process is completed, and the road floor slab 99 is installed.
  • FIG. 18 is a side view showing an example of the lining plate.
  • the lining plate is placed on the support pile 10 temporarily assembled when the steel pipe pile driving process and the temporary joining process are repeated.
  • the lining plate 399 shown in FIG. 18 includes a temporary pile head block 350a. Therefore, the pile head block 350a is fitted into the pile head 12 without installing the upper end grade steel pipe 50a of the road structure 100 so that the lining plate 399 can be installed.
  • a lining plate 399 only the steel pipe pile driving process can be carried out collectively, so that the restraint time of the pile driver can be shortened.
  • Embodiment 4 a modification of the road structure 100 according to the first embodiment and the road structure 200 according to the second embodiment will be described.
  • FIG. 19 is an explanatory view of a cross-sectional structure of a modified example of the road structure 100 according to the first embodiment.
  • two support piles 10 are arranged in parallel in the second direction intersecting the first direction in which the road extends, but 2 More than one support pile 10 may be arranged in parallel.
  • the road structure 100 includes an oblique beam 48 that connects between the upper end grade steel pipe 50a and the intermediate grade steel pipe 50b or between two intermediate grade steel pipes 50b and is inclined with respect to the cross girder 41b. You may have.
  • the oblique beam 48 connects two graded steel pipes 50 located diagonally to a rectangular structure composed of a support pile 10 and a cross girder 41b or a cross beam 40b.
  • deformation of the frame is suppressed by the truss structure formed by the oblique beams 48, and the member stress can be reduced.
  • the road structure 100 shown in FIG. 19 may be configured by using the eccentric joining member 260 used in the road structure 200 of the second embodiment.
  • the upper end grade steel pipe 250a and the eccentric joint member 260 shown in the second embodiment are applied to the pile head 12 of the support pile 10, and the steel pipe column 30 is shown in FIG.
  • the double pipe type intermediate grade steel pipe 50b shown in is installed.
  • the upper end grade steel pipe 250a and the cross girder 41b are integrally manufactured in advance to form a grade girder.
  • the intermediate grade steel pipe 50b and the cross beam 40b are integrally manufactured in advance to form a grade beam.
  • the intermediate grade steel pipe 50b is also manufactured integrally with the cross beam 40b, and has the same effect. Further, the graded steel pipes 50 are joined to each other by diagonal members, and the truss structure of the diagonal beams 48 suppresses the deformation of the frame and reduces the member stress.
  • an eccentric joint member 260 is applied at the joint portion 11.
  • the lower end surface of the steel pipe column 30 is placed on the upper surface 262 of the eccentric joining member 260, and the horizontal position of the steel pipe column 30 is adjusted and joined.
  • 20 and 21 are examples of grade girders in which the upper end grade steel pipe 250a and the cross girder 41b are integrated.
  • the rating girder applied to the road structure 100 shown in FIG. 19 may be specifically in the form shown in FIGS. 20 and 21.
  • FIG. 22 and 23 are explanatory views of cross-sectional structures of modified examples of the road structure 100 according to the first embodiment and the road structure 200 according to the second embodiment.
  • the cross girders 41b of the road structures 100 and 200 may be formed so as to project to the slope side of the ground 90. This structure is applied when the slope slope is steep and it is difficult to install the steel pipe pile 20. Further, as shown in FIG. 23, the road structures 100 and 200 can be installed so as to widen the road provided by cutting the slope.
  • FIG. 24 is a side view of a modified example of the road structure 100 according to the first embodiment and the road structure 200 according to the second embodiment.
  • the seismic isolation member 5 may be provided on the pile head 12 of the support pile 10b having a small amount of protrusion from the ground 90. As a result, the load load on the road structures 100 and 200 as a whole is reduced.
  • Embodiment 5 a modification of the upper end grade steel pipe 50a and the intermediate grade steel pipe 150b of the road structure 100 according to the first embodiment and the road structure 200 according to the second embodiment will be described.
  • each part of the road structure 100 according to the fifth embodiment those having the same function in each drawing shall be displayed with the same reference numerals as those used in the drawings of the first to fourth embodiments.
  • FIG. 25 is an explanatory view of a cross-sectional structure around the upper end grade point steel pipe 550a of the road structure 100 according to the fifth embodiment.
  • FIG. 25 (b) shows a cross section of the EE portion of FIG. 25 (a).
  • FIG. 26 is a top view and a side view of the upper end grade point steel pipe 550a of the road structure 100 according to the fifth embodiment. As shown in FIG. 25, the upper end grade point steel pipe 550a and the support pile 10 are joined by an eccentric joining member 560a.
  • the eccentric joining member 560a is a part of the upper end grade steel pipe 550a and is for being combined with the pile head 12 of the support pile 10 so that the position of the upper end grade steel pipe 550a with respect to the pile head 12 can be adjusted. .. That is, the upper end grade steel pipe 550a can be joined to the support pile 10 by the eccentric joining member 560a in a state where the positions of the support pile 10 and the central axis are deviated from each other.
  • the eccentric joining member 560a for joining the upper end grade steel pipe 550a and the pile head 12 according to the fifth embodiment may be particularly referred to as a fourth eccentric joining member.
  • the eccentric joining member 560a has a cylindrical insertion member 61 and a rib member 62 joined to the outer peripheral surface of the insertion member 61 and extending radially.
  • the insertion member 61 and the rib member 62 are arranged inside the steel pipe member 51a, which is a tubular body constituting the upper end grade steel pipe 550a, and the lower portion projects downward from the lower end of the steel pipe member 51a.
  • FIG. 27 is a cross-sectional view of the FF portion of FIG. 26 (b).
  • the lower plate 59 joined to the steel pipe member 51a of the upper end grade steel pipe 550a includes an opening 59a in which the insertion member 61 projects from the inside of the steel pipe member 51a.
  • the opening 59a is opened to the extent that the insertion member 61 is inserted.
  • the rib member 62 includes an internal rib member 62b arranged inside the steel pipe member 51a and an outer rib member 62a joined below the lower plate 59. That is, the rib member 62 is joined to the inside of the steel pipe member 51a and the outside of the steel pipe member 51a, respectively.
  • the outer rib member 62a and the inner rib member 62b do not have to be installed depending on the strength and rigidity of the insertion member 61.
  • the upper ends of the insertion member 61 and the internal rib member 62b are fixed to the upper plate 58 constituting the upper surface 57a of the upper end grade steel pipe 550a by welding. Further, the lower end of the internal rib member 62b is joined to the lower plate 59 by welding. The internal rib member 62b is also joined to the outer peripheral surface of the insertion member 61, and connects the upper plate 58, the lower plate 59, and the insertion member 61 to ensure strength and rigidity.
  • the outer rib member 62a is arranged below the lower plate 59 and is joined to the lower surface of the lower plate 59, and is also joined to the outer peripheral surface of the insertion member 61.
  • the outer rib member 62a connects the lower plate 59 and the insertion member 61 to ensure strength and rigidity.
  • the upper plate 58 joined to the upper part of the upper end grade steel pipe 50a has two filling holes 56a penetrating the plate-shaped member.
  • the filling holes 56a are provided at symmetrical positions with the insertion member 61 in between.
  • the lower plate 59 is also provided with two filling holes 56a like the upper plate 58.
  • the filling hole 56a is a hole for injecting the filling material 80 into the space formed between the insertion member 61 and the pile head 12. That is, in a state where the upper end grade steel pipe 50a is placed above the pile head 12, the filling hole 56a is formed between the outside and the space inside the steel pipe member 51a and the insertion member 61 and the pile head 12. Communicate with space.
  • an injection pipe (not shown) is inserted into the inside through the filling hole 56a of the upper plate 58, and the filler is injected into the filling hole 56a of the lower plate 59.
  • the filler 80 joins the upper end grade steel pipe 50a and the pile head 12 by filling and solidifying the inside of the pile head 12 into which the eccentric joining member 560a which is a part of the upper end grade steel pipe 50a is inserted.
  • the tip of the pile head 12 is open, and the filler receiving plate 16 is installed in the internal space.
  • the filler receiving plate 16 is arranged below the lower end of the insertion member 61 inserted into the pile head 12.
  • the filler receiving plate 16 is a member for supporting the filler 80 injected from the filling hole 56a and holding the filler inside the pile head 12.
  • the end surface 14 of the pile head 12 abuts on the lower surface of the lower plate 59 of the upper end grade steel pipe 50a. That is, the upper end grade point steel pipe 50a is placed on the end surface 14 of the support pile 10. As a result, the position of the upper end grade steel pipe 550a in the height direction is determined. The upper end grade steel pipe 50a can be shifted in the horizontal direction by the amount of the gap between the eccentric joining member 560a and the inner surface of the pile head 12. As a result, even if the position of the central axis of the support pile 10 is deviated, the upper end grade steel pipe 50a can be arranged at the position as designed.
  • the insertion member 61 is a cylindrical steel pipe.
  • the insertion member 61 is not limited to the cylindrical steel pipe, and may be a steel pipe having a rectangular cross section, an elliptical shape, an oval shape, or a polygonal shape. It is desirable that the insertion member 61 has the same strength and rigidity in the vertical direction and the horizontal direction of the paper surface in FIG. 26.
  • the insertion member 61 has a cylindrical shape, and the strength and rigidity are equal in all directions. The shape of the insertion member 61 can be appropriately changed according to the strength and rigidity required for the road structure 100.
  • the lower end of the insertion member 61 may be closed with the plate material 65.
  • the plate material 65 is an amount of the filler 80 required for joining the upper end grade steel pipe 50a and the support pile 10 by preventing the filler 80 from invading the inside of the insertion member 61 made of a cylindrical steel pipe. Can be suppressed.
  • the outer shape of the plate member 65 is formed larger than the cross-sectional shape of the insertion member 61 and protrudes from the outer peripheral surface of the insertion member 61, so that the insertion member 61 is pulled out from the pile head 12 after the filler 80 is solidified. The strength in the direction is high.
  • the eccentric joining member 560a using the insertion member 61 can also be applied to the intermediate grade steel pipe 150b according to the first embodiment.
  • FIG. 28 is an explanatory view of a cross-sectional structure around an intermediate grade steel pipe 550b of the road structure 100 according to the fifth embodiment.
  • the intermediate grade steel pipe 550b includes an eccentric joint member 560b like the upper end grade steel pipe 550a.
  • the eccentric joining member 560b includes an insertion member 61 provided so as to project from both the upper plate 58 and the lower plate 59, and a rib member 62 for joining the insertion member 61 with the upper plate 58 and the lower plate 59. ..
  • the insertion member 61 is joined to the upper plate 58 and the lower plate 59 by the rib member 62.
  • the eccentric joining member 560b included in the intermediate grade steel pipe 550b may be particularly referred to as a fifth eccentric joining member.
  • the insertion member 61 is arranged inside the steel pipe member 51b, and is arranged so as to penetrate the upper plate 58 and the lower plate 59.
  • the insertion member 61 may be directly joined to the upper plate 58 and the lower plate 59.
  • the insertion member 61 does not have to be configured to penetrate vertically as shown in FIG. 28, and is joined to the upper surface of the upper plate 58 and the lower surface of the lower plate 59, respectively, and is joined to the upper surface of the upper plate 58 and the lower plate 59, respectively. It may be configured to extend vertically from each of the lower surfaces of the above.
  • the insertion member 61 extending above the intermediate grade steel pipe 550b is inserted into the steel pipe column 30 which is an upper member.
  • the insertion member 61 extending below the intermediate grade steel pipe 550b is inserted into the first steel pipe pile 20a which is a lower member.
  • the insertion member 61 extending in the vertical direction from the intermediate grade steel pipe 550b is filled with the filler 80 in a state of being inserted between the steel pipe support 30 or the first steel pipe pile 20a, respectively, and the steel pipe support 30 and the intermediate grade steel pipe are filled.
  • the 550b and the first steel pipe pile 20a are joined.
  • the eccentric joining member 560b of the intermediate grade steel pipe 550b can be joined in a state where the central axis of the first steel pipe pile 20a, which is a lower member, and the central axis of the intermediate grade steel pipe 550b are shifted in the same manner as the upper end grade steel pipe 550a. Further, the eccentric joining member 560b can be joined in a state where the central axis of the intermediate grade steel pipe 550b and the central axis of the steel pipe column 30 are offset.
  • the steel pipe column 30 and the first steel pipe pile 20a are each provided with a filling hole 17, from which the filler 80 is filled.
  • the filler 80 is solidified to join the intermediate grade steel pipe 550b, the steel pipe column 30, and the first steel pipe pile 20a.
  • the cross-sectional structure of the steel pipe member 51b of the intermediate grade steel pipe 550b according to the fifth embodiment has the same structure as that of FIG. 27.
  • the filling hole 56a may not be provided.
  • the eccentric joining member 560a includes an insertion member 61 projecting toward the pile head 12 of the support pile 10 which is a lower member.
  • the insertion member 61 is smaller than the outer shape of the support pile 10, and is surrounded and installed on the inner surface of the support pile 10.
  • the gap formed between the insertion member 61 and the support pile 10 is filled with the filler 80.
  • the eccentric joint member 560a is arranged inside the pile head 12 of the support pile 10, so that the outer shape of the joint portion does not become large.
  • the upper end grade steel pipe 550a includes an upper plate 58 forming the upper surface and being joined to the girder member 41, and a lower plate 59 forming the lower surface and being joined to the girder member 41.
  • the insertion member 61 is joined to the lower surface of the upper plate 58, penetrates the steel pipe member 51a and the lower plate 59, and is arranged so as to project downward. With this configuration, the upper end grade point steel pipe 50a is firmly joined to the support pile 10 which is a lower member via the eccentric joining member 560a.
  • the lower member is the lower member and is joined above the lower member.
  • the joint portion between the lower member and the upper member is joined by the eccentric joining member 560b.
  • the intermediate grade steel pipe 550b includes an eccentric joining member 560b.
  • the eccentric joining member 560b includes an insertion member 61 projecting toward the upper member and the lower member.
  • the insertion member 61 is smaller than the outer shape of the steel pipe pile 20 or the steel pipe column 30, and is surrounded and installed on the inner surface of the steel pipe pile 20 or the steel pipe column 30.
  • the gap formed between the insertion member 61 and the steel pipe pile 20 or the steel pipe column 30 is filled with the filler 80.
  • the intermediate grade steel pipe 550b is provided with the eccentric joint member 560b, so that the steel pipe pile 20 and the steel pipe column 30 can be formed without increasing the outer shape of the steel pipe pile 20 and the steel pipe column 30. It can be joined in an eccentric state.
  • the eccentric joining members 560a and 560b according to the fifth embodiment can appropriately change the cross-sectional shape of the insertion member 61.
  • FIG. 29 is an explanatory view of a cross-sectional structure of a modified example of the upper end grade steel pipe 550a according to the fifth embodiment.
  • FIG. 29 (b) shows a cross section of the KK portion of FIG. 29 (a).
  • the insertion member 61 is formed by joining members having a T-shaped cross section in a cross section. With this configuration, the insertion member 61 has the same strength and rigidity in the vertical direction and the horizontal direction of FIG. 29 (b). Further, since the insertion member 61 has a T-shaped cross section, the filler 80, the web member 63, and the flange member 64 mesh with each other, and the joining strength is high.
  • FIG. 30 is an explanatory view of the cross-sectional structure of the HH portion of FIG. 29 (a).
  • the insertion member 61 is also installed inside the steel pipe member 51a.
  • the filler 80 does not exist inside the steel pipe member 51a, but it may be filled if necessary. By filling the inside of the steel pipe member 51a with the filler 80, the strength and rigidity of the upper end grade steel pipe 550a can be further improved.
  • the insertion member 61 may be replaced with an H-shaped steel.
  • the upper end grade steel pipe 550a in which the insertion member 61 is made of H-shaped steel has different strength and rigidity in the vertical direction and the horizontal direction in the cross section corresponding to FIG. 29 (b), but is required for the road structure 100. It can be appropriately changed depending on the strength and rigidity of the upper end grade steel pipe 550a. By using the H-shaped steel for the insertion member 61, the cost related to the upper end grade steel pipe 550a can be reduced.
  • the insertion member 61 according to the modified example of the upper end grade steel pipe 550a according to the fifth embodiment shown in FIGS. 29 and 30 can also be applied to the intermediate grade steel pipe 550b.
  • the present invention has been described above based on the embodiment, the present invention is not limited to the configuration of the above-described embodiment.
  • the combination of the components is not limited to the combination in the embodiment, and the combination of the components described in each embodiment can be appropriately changed.
  • the gist (technical scope) of the present invention includes various changes, applications, and uses made by those skilled in the art as necessary.
  • Seismic isolation member 10 support pile, 10a support pile, 10b support pile, 11 joint, 12 pile head, 13 protrusion, 14 end face, 15 through hole, 20 steel pipe pile, 20a 1st steel pipe pile, 20b 2nd steel pipe pile , 21 pile head, 21a pile head, 21b pile head, 22a end face, 30 steel pipe column, 30b second steel pipe pile, 31 end face, 40 beam member, 40a vertical beam, 40b cross beam, 41 girder member, 41a vertical girder, 41b horizontal Girder, 42 floor slab fixing member, 43 connecting part, 44 splicing plate, 48 beam, 50 graded steel pipe, 50a upper end graded steel pipe, 50b intermediate graded steel pipe, 51a steel pipe member, 51b steel pipe member, 52a vertical girder joint , 52b vertical beam joint, 53a horizontal girder joint, 53b cross beam joint, 54 protrusion, 55a support member, 55b support member, 56a filling hole, 56b filling port, 57 bolt, 57a upper surface, 58

Landscapes

  • Engineering & Computer Science (AREA)
  • Structural Engineering (AREA)
  • Civil Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Architecture (AREA)
  • Environmental & Geological Engineering (AREA)
  • Ocean & Marine Engineering (AREA)
  • Mechanical Engineering (AREA)
  • Road Paving Structures (AREA)
  • Bridges Or Land Bridges (AREA)
  • Foundations (AREA)

Abstract

La présente invention a pour objet de fournir : une structure de route grâce à laquelle la précision d'installation peut être assurée indépendamment de la topographie, et la période et les coûts de construction peuvent être maîtrisés ; un gabarit de formation destiné à être utilisé dans la construction de la structure de route ; et un procédé de construction pour la structure de route.　Cette structure de route comprend un pilier tubulaire en acier comprenant un premier pilier tubulaire en acier et un deuxième pilier tubulaire en acier destinés à être empilés dans le sol et juxtaposés dans une première direction dans laquelle une route s'étend et dans une deuxième direction qui croise la première direction ; un étai tubulaire en acier raccordé au-dessus du premier pilier tubulaire en acier ; un tuyau en acier de raccordement d'extrémité supérieure disposé sur une extrémité supérieure du deuxième pilier tubulaire en acier ou de l'étai tubulaire en acier ; un élément de poutre qui raccorde deux tuyaux en acier de raccordement d'extrémité supérieure adjacents ; et une dalle de plancher de route disposée sur le tuyau en acier de raccordement d'extrémité supérieure et l'élément de poutre. Dans un cas où, parmi le premier pilier tubulaire en acier, le deuxième pilier tubulaire en acier, l'étai tubulaire en acier, et le tuyau en acier de raccordement d'extrémité supérieure, les éléments positionnés en dessous sont appelés éléments inférieurs, et les éléments raccordés au-dessus des éléments inférieurs sont appelés éléments supérieurs, des sections de raccordement entre les éléments inférieurs et les éléments supérieurs sont raccordées par des éléments de raccordement excentrés capables de se raccorder de sorte qu'un axe central de l'élément inférieur et un axe central de l'élément supérieur sont excentrés l'un par rapport à l'autre.
PCT/JP2020/041331 2019-11-07 2020-11-05 Structure de route, gabarit de formation, et procédé de construction de structure de route WO2021090873A1 (fr)

Priority Applications (3)

Application Number Priority Date Filing Date Title
JP2021554967A JP7371113B2 (ja) 2019-11-07 2020-11-05 道路構造、型枠治具、及び道路構造の施工方法
PH12021550584A PH12021550584A1 (en) 2019-11-07 2021-03-16 Road structure, formwork jig, and method for constructing road structure
JP2023179392A JP7490128B2 (ja) 2019-11-07 2023-10-18 道路構造

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
PCT/JP2019/043674 WO2021090439A1 (fr) 2019-11-07 2019-11-07 Structure de route, gabarit de coffrage et procédé de construction de structure de route
JPPCT/JP2019/043674 2019-11-07

Publications (1)

Publication Number Publication Date
WO2021090873A1 true WO2021090873A1 (fr) 2021-05-14

Family

ID=75848218

Family Applications (2)

Application Number Title Priority Date Filing Date
PCT/JP2019/043674 WO2021090439A1 (fr) 2019-11-07 2019-11-07 Structure de route, gabarit de coffrage et procédé de construction de structure de route
PCT/JP2020/041331 WO2021090873A1 (fr) 2019-11-07 2020-11-05 Structure de route, gabarit de formation, et procédé de construction de structure de route

Family Applications Before (1)

Application Number Title Priority Date Filing Date
PCT/JP2019/043674 WO2021090439A1 (fr) 2019-11-07 2019-11-07 Structure de route, gabarit de coffrage et procédé de construction de structure de route

Country Status (3)

Country Link
JP (1) JP7371113B2 (fr)
PH (1) PH12021550584A1 (fr)
WO (2) WO2021090439A1 (fr)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP7463331B2 (ja) 2021-11-09 2024-04-08 Ｊｆｅスチール株式会社 仮設治具、該仮設治具を用いた人工地盤の構築方法
WO2024029070A1 (fr) 2022-08-05 2024-02-08 Ｊｆｅシビル株式会社 Structure de sol artificiel

Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS60144427A (ja) * 1984-01-09 1985-07-30 Nippon Kokan Kk <Nkk> 海洋構造物支持鋼管杭の防食加工方法及び防食加工用型枠
JPH10227002A (ja) * 1996-12-11 1998-08-25 Kawasaki Steel Corp 拡幅道路およびその施工方法
JP2001303604A (ja) * 2000-04-25 2001-10-31 Nippon Steel Corp 鋼管杭と上部構造との接合構造
JP2002146704A (ja) * 2000-11-14 2002-05-22 Kawasaki Steel Corp 杭と桁の結合構造体
JP2011117274A (ja) * 2009-10-27 2011-06-16 Jfe Civil Engineering & Construction Corp 道路等の人工地盤及びその構築方法
KR101181678B1 (ko) * 2011-10-25 2012-09-19 (주)에이치앤디건설 법면 확장 보도
JP2017115552A (ja) * 2015-12-25 2017-06-29 清水建設株式会社 ブレースバンドおよび構台の設置方法

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2000282403A (ja) 1999-03-30 2000-10-10 Kawasaki Steel Corp 道路用人工地盤およびその構築方法
JP4677690B2 (ja) 2001-07-23 2011-04-27 Ｊｆｅスチール株式会社 杭の摩擦力増大方法
WO2016001997A1 (fr) 2014-06-30 2016-01-07 株式会社高知丸高 Procédé de construction de pont et structure de pont

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS60144427A (ja) * 1984-01-09 1985-07-30 Nippon Kokan Kk <Nkk> 海洋構造物支持鋼管杭の防食加工方法及び防食加工用型枠
JPH10227002A (ja) * 1996-12-11 1998-08-25 Kawasaki Steel Corp 拡幅道路およびその施工方法
JP2001303604A (ja) * 2000-04-25 2001-10-31 Nippon Steel Corp 鋼管杭と上部構造との接合構造
JP2002146704A (ja) * 2000-11-14 2002-05-22 Kawasaki Steel Corp 杭と桁の結合構造体
JP2011117274A (ja) * 2009-10-27 2011-06-16 Jfe Civil Engineering & Construction Corp 道路等の人工地盤及びその構築方法
KR101181678B1 (ko) * 2011-10-25 2012-09-19 (주)에이치앤디건설 법면 확장 보도
JP2017115552A (ja) * 2015-12-25 2017-06-29 清水建設株式会社 ブレースバンドおよび構台の設置方法

Also Published As

Publication number Publication date
PH12021550584A1 (en) 2021-10-25
JPWO2021090873A1 (fr) 2021-05-14
JP7371113B2 (ja) 2023-10-30
WO2021090439A1 (fr) 2021-05-14
JP2023174870A (ja) 2023-12-08

Similar Documents

Publication Publication Date Title
WO2021090873A1 (fr) Structure de route, gabarit de formation, et procédé de construction de structure de route
KR101687495B1 (ko) 지하 구조물 구축을 위한 부분 탑다운 공법
JP2000248526A (ja) 桟橋構造およびその構築方法
JP5456626B2 (ja) 杭と鉄骨柱との接合構造および接合方法
KR20200143987A (ko) 강관거더의 지점부 보강유니트 및 지점부 보강유니트 시공 방법
JP2006104747A (ja) 脚柱の接合部構造および接合方法
JP4912030B2 (ja) 橋脚と杭との接合部構造
JP2002161603A (ja) フルｐｃ床板の固着方法
JP7158231B2 (ja) 合成柱及びそれを用いた橋脚、施工方法
JP5456627B2 (ja) 杭と鉄骨柱との接合構造および接合方法
JP7490128B2 (ja) 道路構造
JP3671344B2 (ja) 基礎杭と柱脚部との接合構造およびその構築方法
KR102254227B1 (ko) Pc 말뚝캡이 구비된 고강도 콘크리트 말뚝 구조체 및 이의 시공 방법
KR102462488B1 (ko) 인터러킹 전단연결재를 이용한 프리캐스트 슬래브 및 이를 이용한 교량시공방법
JP6704801B2 (ja) 既存の地下外壁を有する建替え建物
JP5008683B2 (ja) 杭頭補強部材とそれを用いた杭頭補強構造
JP7103962B2 (ja) 土留め構造及び土留め方法
JP5943202B2 (ja) 複合擁壁及びその施工方法
JP6869825B2 (ja) 橋脚基礎構造
KR20060023915A (ko) 테두리보가 생략된 이렉션 파일을 이용한 지하층의슬래브-외벽 동시 타설 구축방법
KR100694763B1 (ko) 콘크리트 복합 형강보를 이용한 지하 구조물의 시공 방법
JP7138146B2 (ja) 基礎構造物、環状体、鋼製セグメントの連結機構及び基礎構造物の施工方法
JPH08246436A (ja) 鋼管杭と鋼製上部構造よりなる構造物の構築方法
JP4473400B2 (ja) 構築物の基礎及びその施工方法
JP7330343B1 (ja) 鋼コンクリート複合構造物及び鋼コンクリート複合構造物の施工方法

Legal Events

Date Code Title Description
121 Ep: the epo has been informed by wipo that ep was designated in this application

Ref document number: 20884427

Country of ref document: EP

Kind code of ref document: A1

ENP Entry into the national phase

Ref document number: 2021554967

Country of ref document: JP

Kind code of ref document: A

NENP Non-entry into the national phase

Ref country code: DE

122 Ep: pct application non-entry in european phase

Ref document number: 20884427

Country of ref document: EP

Kind code of ref document: A1