WO2013145726A1 - Plancher et structure de plancher à surface de trajectoire dans laquelle un plancher est combiné - Google Patents

Plancher et structure de plancher à surface de trajectoire dans laquelle un plancher est combiné Download PDF

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Publication number
WO2013145726A1
WO2013145726A1 PCT/JP2013/002061 JP2013002061W WO2013145726A1 WO 2013145726 A1 WO2013145726 A1 WO 2013145726A1 JP 2013002061 W JP2013002061 W JP 2013002061W WO 2013145726 A1 WO2013145726 A1 WO 2013145726A1
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WO
WIPO (PCT)
Prior art keywords
flooring
floor
top plate
materials
floor structure
Prior art date
Application number
PCT/JP2013/002061
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English (en)
Japanese (ja)
Inventor
弘志 大西
雅之 西田
Original Assignee
国立大学法人大阪大学
日本エフ・アール・ピー株式会社
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
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Application filed by 国立大学法人大阪大学, 日本エフ・アール・ピー株式会社 filed Critical 国立大学法人大阪大学
Publication of WO2013145726A1 publication Critical patent/WO2013145726A1/fr

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    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
    • E04B5/00—Floors; Floor construction with regard to insulation; Connections specially adapted therefor
    • E04B5/02—Load-carrying floor structures formed substantially of prefabricated units
    • E04B5/026—Load-carrying floor structures formed substantially of prefabricated units with beams or slabs of plastic
    • 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
    • E01C3/00—Foundations for pavings
    • E01C3/006—Foundations for pavings made of prefabricated single units
    • E—FIXED CONSTRUCTIONS
    • E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
    • E01D—CONSTRUCTION OF BRIDGES, ELEVATED ROADWAYS OR VIADUCTS; ASSEMBLY OF BRIDGES
    • E01D19/00—Structural or constructional details of bridges
    • E01D19/12—Grating or flooring for bridges; Fastening railway sleepers or tracks to bridges
    • E01D19/125—Grating or flooring for bridges
    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
    • E04B5/00—Floors; Floor construction with regard to insulation; Connections specially adapted therefor
    • E04B5/02—Load-carrying floor structures formed substantially of prefabricated units
    • E04B5/023—Separate connecting devices for prefabricated floor-slabs
    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04C—STRUCTURAL ELEMENTS; BUILDING MATERIALS
    • E04C2/00—Building elements of relatively thin form for the construction of parts of buildings, e.g. sheet materials, slabs, or panels
    • E04C2/30—Building elements of relatively thin form for the construction of parts of buildings, e.g. sheet materials, slabs, or panels characterised by the shape or structure
    • E04C2/42—Gratings; Grid-like panels
    • E04C2/427—Expanded metal or other monolithic gratings

Definitions

  • the present invention relates to a flooring material that can be manufactured easily and in a short period of time and can secure sufficient strength while using FRP (fiber reinforced plastic) having high corrosion resistance.
  • FRP fiber reinforced plastic
  • the floor structure of buildings and structures is generally made of steel, concrete slabs, precast concrete, etc., but in recent years, the weight of the frame and the rationalization of construction, life cycle costs, and material recycling viewpoints Therefore, social needs to use various new materials as floor materials are increasing.
  • Patent Document 1 and Patent Document 2 various building materials using FRP (fiber reinforced plastic) as a raw material have been studied as floor materials. This is because FRP is advantageous in that it is overwhelmingly superior in light weight and corrosion resistance as compared with steel and concrete.
  • FRP fiber reinforced plastic
  • the present invention provides a flooring material that has been created in view of the above circumstances and that can be manufactured easily and in a short period of time while ensuring sufficient strength while using FRP having high corrosion resistance. For the purpose.
  • an FRP top plate and an FRP lattice member (hereinafter referred to as a “lattice member”) carrying the top plate below the top plate are provided.
  • a flooring in which the top plate and the lattice member are integrally molded.
  • the present invention is a flooring made of FRP, it has higher corrosion resistance than a flooring made of steel or a flooring made of concrete, and can be reduced in weight.
  • FRP was considered to have low rigidity, low shear resistance, low bending resistance, and high coefficient of thermal expansion as a material, so that it was not highly applicable to flooring. As a result, it has been found that the rigidity becomes high and the coefficient of thermal expansion becomes low, and the applicability to the flooring becomes high. Further, when a lattice-like FRP is employed, the material can be reduced, which is favorable in terms of cost.
  • an FRP panel is provided on the top plate, and this is manufactured by integral molding with the lattice-shaped FRP. Accordingly, the rigidity is further increased, and the durability at the joint portion is high due to the integral molding.
  • the present floor material includes a bottom plate that supports the lattice member below the lattice member, and the bottom plate is connected to the lattice member.
  • the lattice-shaped FRP and the top plate FRP are integrally molded, but here, the bottom plate is further connected below the lattice-shaped FRP. This further increases the rigidity.
  • the bottom plate may be FRP or a plate member made of other materials.
  • concrete may be laid on top of the top board to be laid.
  • the second aspect of the present invention provides a road floor structure in which floor materials are combined.
  • each floor material has a shape that allows the floor materials to be fitted to each other at an end portion (for example, a side portion in an embodiment described later) of the floor structure.
  • the said floor structure fits and connects each said flooring material in the state which filled the adhesive agent to the advancing side edge part of this flooring material.
  • the floor materials described above are connected, and the floor materials are connected to each other to connect one floor structure.
  • this FRP flooring is used for a bridge or the like, a shearing force acts from above the road surface, and a large bending moment acts because the road surface is long in the traveling direction. Therefore, the connection technology in the traveling direction of the road surface is important.
  • the floor material is shaped so that the end faces can be fitted to each other, and the gap is filled with an adhesive in the fitted state. In the case of this connection method, a floor structure having high shear resistance can be provided.
  • each floor material is provided with a concave portion at an end portion on the traveling direction side of the floor structure, and the floor structure is positioned so that the concave portions of the floor materials face each other. It may be connected by filling the concave portion with an adhesive.
  • a concave portion is provided on the end surface in the traveling direction of each floor material, and these are combined.
  • they are combined so as to be fitted to each other, but here, the concave portion and the concave portion are connected to face each other. Therefore, although there is no coupling force in a state where the adhesive is not filled, the adhesive can be reliably filled in a certain amount or more, and in that respect, the coupling force, particularly the shear resistance can be increased.
  • the floor materials can be connected to each other by bolt fastening at the end of the floor structure on the traveling direction side.
  • this floor structure since it is fastened with bolts, it is inferior in shear resistance as compared with the above two floor structures, but on the other hand, it can provide a connection method with a large bending resistance.
  • the floor material of the present invention and the road surface structure combined with the floor material provide a floor material that can be manufactured easily and in a short period of time and that can secure sufficient strength while using FRP having high corrosion resistance. be able to.
  • FIG. 1 shows a schematic configuration of a flooring 1 according to a first embodiment of the present invention, in which (a) is a front view of the flooring 1 and (b) is a plan view of the flooring 1 (line AA in (a)). (View), (c) is a cross-sectional view taken along line B-Bni of (a), and (d) is a right side view of the flooring 1. A cross-sectional view taken along line B-Bni in FIG. 1A is shown.
  • the perspective view of a lattice member is shown, (a) is the whole perspective view, (b) is an enlarged view of dotted line field X.
  • FIG. 1 and 2 show a modification of the flooring, in which a front view of the flooring is shown, (b) is a plan view of the flooring (as viewed from line AA in (a)), and (c) is a flooring. A right side view of the material is shown. A sectional view in the height direction of the flooring is shown.
  • (A) is a cross-sectional view taken along line BB in FIG. 1 (c)
  • (b) is a cross-sectional view taken along line B′-B ′ in FIG. 4 (c)
  • (c) is a cross-sectional view taken along line BB in FIG.
  • a variation is shown.
  • (A) is the figure which expanded the dotted line area Y of FIG.5 (c)
  • (b) is the figure which expanded the dotted line area Z of (a).
  • An example of the lattice shape of the lattice member is shown, (a) shows the square lattice shape of FIGS. 1 to 6, (b) is a triangular lattice shape, and (c) is a hexagonal lattice shape. , (D) shows a round lattice shape.
  • the connection method of the advancing direction of the road surface between flooring materials is illustrated.
  • the floor material of (a) has a stepped shape in which the side portions are fitted to each other, and the floor material 1 of (b) has a rectangular uneven shape in which the side portions' are fitted to each other.
  • the floor material 1 of (c) has a hemispherical concavo-convex shape in which the side portions are fitted to each other.
  • the other connection method of the side part of flooring materials is illustrated. As an example of a method for connecting other flooring materials 1 to each other, an example of connecting by bolt fastening is shown.
  • FIG. 1 to 2 show a schematic configuration of the flooring 1 according to the first embodiment, where (a) is a front view of the flooring 1 and (b) is a plan view of the flooring 1 ((a). (Line AA) and (c) are right side views of the flooring 1.
  • FIG. 2 is a cross-sectional view taken along line BB in FIG. In FIG. 2, the lattice member 3 is shown, but the number of lattices is reduced and displayed for easy viewing.
  • the top plate 2 and the lattice member 3 are integrally couple
  • the top plate 2 is a plate-like member made of FRP and having a broad width (width Wp> length Lp).
  • Wp> length Lp width
  • the longitudinally long Lp direction is used as the traveling direction of the road surface.
  • Each lattice width (Wc, Lc) of the lattice member 3 is arbitrary. The lattice member 3 will be further described in detail.
  • FIG. 3 shows a perspective view of the lattice member 3, (a) is a simplified perspective view of the whole, and (b) is an enlarged view of a dotted line region X.
  • the lattice member 3 includes a plurality of vertical walls 3a and a plurality of horizontal walls 3b substantially orthogonal to the vertical walls 3a.
  • the vertical wall 3a and the horizontal wall 3b are integrally provided at the intersection 3c.
  • the vertical wall 3a is plate-shaped, and is arranged at intervals in the horizontally long direction (Wp direction).
  • the horizontal wall 3b is also a plate-like member, and is arranged at intervals in the longitudinally long direction (Lp direction).
  • the lattice member 3 has the vertical wall 3a and the horizontal wall 3b orthogonal to each other, thereby avoiding the disadvantage of FEP that the bending resistance is small. Further, since the flooring 1 is provided with the top plate 2 made of FRP integrally formed above the lattice member 3, the shear resistance is enhanced.
  • FIG. 4 a modified example 1 ′ of the flooring 1 shown in FIGS. 1 and 2 is shown.
  • (a) is a front view of the flooring 1 ′
  • (b) is a floor.
  • a plan view of the material 1 ′ (viewed along line AA in FIG. 5A) and (c) are right side views of the floor material 1 ′.
  • a bottom plate 4 is provided below the lattice member 3 in addition to the flooring 1.
  • the bottom plate 4 is a plate member. Not only FRP but also non-FRP such as a steel plate may be used.
  • the bottom plate 4 is the same as the top plate 2 and the lattice member 3 in the longitudinal length Lp and the width length Wp.
  • the height Tp of the flooring 1 ′ is longer than the flooring 1 by the thickness of the bottom plate 4 (Tp ′> Tp). Since the flooring 1 ′ has the bottom plate 4, the shear resistance and bending resistance are further increased.
  • FIG. 5 shows a sectional view in the height direction of the flooring 1, 1 ′ and other flooring.
  • (A) is a cross-sectional view taken along line BB in FIG. 1 (c)
  • (b) is a cross-sectional view taken along line B′-B ′ in FIG. 4 (c)
  • (c) and (b) are shown as modifications.
  • the flooring materials 1 and 1 'in FIG. 5A are as described above
  • the flooring material 1 "in FIG. 5C has concrete 6 on the top plate 2 in addition to the flooring material 1 in FIG. 5C, precast concrete is used as the concrete 6, and one segment thereof is placed on the top board 2.
  • the concrete 6 includes cement concrete, asphalt concrete, resin. It includes concrete, etc. Resin concrete is known as a road surface with high impact absorption from above.
  • the concrete 6 and the top plate 2 are bonded together with an adhesive 5 for concrete.
  • the adhesive 5 is a moisture curing type epoxy resin adhesive that is filled between the lower surface of the concrete 6 and the upper surface of the top plate 2 and is cured by moisture in the atmosphere.
  • the floor material 1 "in FIG. 5 (c) not only has higher shear resistance than the floor material 1 in FIG. 5 (a), but also a connecting portion (lattice member 3) between the top plate 2 and the grid member 3. The local destruction in the vicinity of the intersection 3c) can also be suppressed, which will be described with reference to FIG.
  • FIG. 6A is an enlarged view of the dotted area Y in FIG. 5C
  • FIG. 6B is an enlarged view of the dotted area Z in FIG.
  • the top plate 2 is deformed when a load in the vertical direction or the like is applied to the floor material 1 ′′.
  • FIG. 6A the deformation state of the floor material 2 is indicated by a dotted line 2 ′.
  • FIG.6 (b) if the top plate 2 'deform
  • the connecting portion with the vertical wall 3a often becomes a point of variation, and can become a vibration node in a vibration state, so that when fatigue progresses, the connecting portion between the top plate 2 and the lattice member 3 Cracks and the like are likely to occur in the vicinity 2′a and 2′b, and there is a possibility that breakage may occur from these portions 2′a and 2′b.
  • FIG. 6C shows a flooring 1" in which the bottom plate 4 does not exist as a modification of (a).
  • the flooring material 1 ′′ of (c) can also be applied as a modified example of (b).
  • FIG. 7 shows an example of the lattice shape of the lattice member 3, (a) shows the square lattice shape in FIGS. 1 to 6, (b) is the triangular lattice shape, and (c) is A hexagonal lattice shape is shown, and (d) shows a round lattice shape.
  • FIG. 8 exemplifies a method for connecting the road surfaces in the traveling direction between floor materials.
  • the flooring material the case of the flooring material 1 ′ of FIG.
  • floor materials 1 ′ are connected to each other on the side portion (side surface) in the traveling direction of the road surface, and this side portion serves as a fitting portion to connect the floor material 1 ′.
  • the side 3d1 on the side indicated by the upper side and the side 3d2 indicated by the lower side are connected.
  • the side portions 3d1, 3d2 have a stepped shape that fits together, and in the flooring 1 ′ of (b), the side portions 3d1 ′, 3d2 ′ fit together. It has a hemispherical uneven shape. Further, the floor material 1 ′ of (c) has a rectangular uneven shape in which the side portions 3 d 1 ′′ and 3 d 2 ′′ are fitted to each other.
  • Each flooring 1 ' is mutually connected by the connection method of flooring 1' of FIG. 8, and forms one floor structure (not shown).
  • this connection method other shapes may be used as long as the flooring materials 1 ′ can fit the side portions 3 d 1, 3 d 2, etc., and the gap 7 is filled with the adhesive 7 in a state of being fitted respectively.
  • the adhesive 7 is an epoxy resin adhesive or the like.
  • a floor structure having high shear resistance can be provided.
  • FIG. 9 shows a connection method other than the connection method in which the side portions 3d1, 3d2 and the like of the flooring materials 1 ′ are fitted and bonded as shown in FIG.
  • the flooring material here is also the flooring material 1 ′ of FIG. 4 having the bottom surface 4 in the same manner as in FIG. 8, and the flooring materials 1 ′ are connected to the side portion (side surface) in the traveling direction of the road surface.
  • the side portions are opposed to each other to connect the flooring 1 '.
  • the side portion 3d1 on the side indicated by the upper side in FIG. 4B and the side portion 3d2 indicated by the lower side are connected.
  • both (a) and (b) are connected by providing concave portions on the side portions 3d1 and 3d2 of the flooring 1 ′ and filling the gap with an adhesive facing each other.
  • the side portions 3d1-1 and 3d2-1 together form hemispherical concave portions and are positioned so that their openings face each other. 1 is filled with an adhesive.
  • the side portions 3d1-2 and 3d2-2 are both formed with rectangular concave portions and positioned so that their openings face each other, and the side portions 3d-2 and 3d2 are positioned. -2 is filled with adhesive.
  • the floor materials 1 ′ are connected to each other by the connecting method of the floor materials 1 ′ in FIG. 9 to form one floor structure (not shown).
  • the flooring materials 1 ′ may have a shape having a concave portion on the side portions 3 d 1-1, 3 d 2-1, etc., and various shapes can be considered.
  • the adhesive 7 is an epoxy resin adhesive or the like as in FIG. Also in this connection method, a floor structure with high shear resistance can be provided.
  • FIG. 10 illustrates a connection method by bolt fastening as a method for connecting other floor materials 1 ′.
  • the side portions 3d1-3 and 3d-2-3 of the flooring 1 ' are connected by bolts 8 and nuts 9 penetrating in the traveling direction of the road surface (left and right direction in the drawing).
  • This connection method is a connection method between floor materials 1 'having a large bending resistance.
  • the side portions 3d1-4 and 3d2-4 are connected via the upper and lower brackets 10 overlapping the end portions of the top plate 2 and the bottom portion 4, and the space between the brackets 10 is connected.
  • the bolt 11 and the nut 12 are connected so as to be sandwiched.

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  • Engineering & Computer Science (AREA)
  • Architecture (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Road Paving Structures (AREA)

Abstract

La présente invention porte sur un plancher, qui, tout en employant un produit renforcé par des fibres hautement corrosif, est apte à être fabriqué de façon simple et dans une courte période de travail, ainsi qu'à assurer une rigidité suffisante. Ce plancher comprend une plaque supérieure en produit renforcé par des fibres, et un élément de réseau en produit renforcé par des fibres sous la plaque supérieure, qui supporte la plaque supérieure. La plaque supérieure et l'élément de réseau sont moulés d'un seul tenant. Ce plancher comprend en outre une plaque inférieure sous l'élément de réseau, qui supporte l'élément de réseau. La plaque inférieure est liée à l'élément de réseau. Du béton est positionné sur la plaque supérieure.
PCT/JP2013/002061 2012-03-27 2013-03-26 Plancher et structure de plancher à surface de trajectoire dans laquelle un plancher est combiné WO2013145726A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2012-070609 2012-03-27
JP2012070609A JP2015110860A (ja) 2012-03-27 2012-03-27 床材及びこの床材を組み合わせた路面の床構造

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WO2013145726A1 true WO2013145726A1 (fr) 2013-10-03

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Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
ES2590403A1 (es) * 2015-05-19 2016-11-21 Universidad Politécnica de Madrid Panel reforzado para cerramientos opacos en construcciones
CN108693110A (zh) * 2018-08-01 2018-10-23 北方工业大学 一种滑移测试装置以及frp片材与混凝土粘结试验系统
WO2021043428A1 (fr) * 2019-09-06 2021-03-11 Cpc Ag Plancher en béton, éléments de plancher en béton et procédés de fabrication d'un plancher en béton et d'un élément de plancher en béton

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113481773A (zh) * 2021-06-01 2021-10-08 中铁十九局集团有限公司 公路路基防沉降结构

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JPH08151770A (ja) * 1994-05-27 1996-06-11 Sumitomo Metal Mining Co Ltd 木造建築物の床構造及び床用複合ａｌｃパネル
JPH09142194A (ja) * 1995-11-20 1997-06-03 Toray Ind Inc ダンプカー用荷箱
JP2000145114A (ja) * 1998-11-13 2000-05-26 Matsushita Electric Works Ltd 二重床
JP2001191419A (ja) * 2000-01-13 2001-07-17 Kyowa Kogyo Kk 断熱プラスチック成形体及びその製造方法
JP2002036378A (ja) * 2000-07-31 2002-02-05 Bridgestone Corp ユニットバス用壁パネル
JP2005325610A (ja) * 2004-05-14 2005-11-24 Shimizu Corp 床の構造
US20060272111A1 (en) * 2005-06-02 2006-12-07 Byung-Suk Kim Fiber reinforced plastics bearing deck module having integrated shear connector and concrete composite bearing deck using the same
JP2009046830A (ja) * 2007-08-15 2009-03-05 Asahi Glass Co Ltd 耐力床
JP2009209600A (ja) * 2008-03-05 2009-09-17 Taisei Corp プレキャスト部材の接合構造

Patent Citations (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH08151770A (ja) * 1994-05-27 1996-06-11 Sumitomo Metal Mining Co Ltd 木造建築物の床構造及び床用複合ａｌｃパネル
JPH09142194A (ja) * 1995-11-20 1997-06-03 Toray Ind Inc ダンプカー用荷箱
JP2000145114A (ja) * 1998-11-13 2000-05-26 Matsushita Electric Works Ltd 二重床
JP2001191419A (ja) * 2000-01-13 2001-07-17 Kyowa Kogyo Kk 断熱プラスチック成形体及びその製造方法
JP2002036378A (ja) * 2000-07-31 2002-02-05 Bridgestone Corp ユニットバス用壁パネル
JP2005325610A (ja) * 2004-05-14 2005-11-24 Shimizu Corp 床の構造
US20060272111A1 (en) * 2005-06-02 2006-12-07 Byung-Suk Kim Fiber reinforced plastics bearing deck module having integrated shear connector and concrete composite bearing deck using the same
JP2009046830A (ja) * 2007-08-15 2009-03-05 Asahi Glass Co Ltd 耐力床
JP2009209600A (ja) * 2008-03-05 2009-09-17 Taisei Corp プレキャスト部材の接合構造

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
ES2590403A1 (es) * 2015-05-19 2016-11-21 Universidad Politécnica de Madrid Panel reforzado para cerramientos opacos en construcciones
CN108693110A (zh) * 2018-08-01 2018-10-23 北方工业大学 一种滑移测试装置以及frp片材与混凝土粘结试验系统
WO2021043428A1 (fr) * 2019-09-06 2021-03-11 Cpc Ag Plancher en béton, éléments de plancher en béton et procédés de fabrication d'un plancher en béton et d'un élément de plancher en béton
US12031315B2 (en) 2019-09-06 2024-07-09 Cpc Ag Concrete ceiling, concrete ceiling elements and method for producing a concrete ceiling and a concrete ceiling element

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