WO2010001480A1 - Structure de chaussée - Google Patents

Structure de chaussée Download PDF

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Publication number
WO2010001480A1
WO2010001480A1 PCT/JP2008/062185 JP2008062185W WO2010001480A1 WO 2010001480 A1 WO2010001480 A1 WO 2010001480A1 JP 2008062185 W JP2008062185 W JP 2008062185W WO 2010001480 A1 WO2010001480 A1 WO 2010001480A1
Authority
WO
WIPO (PCT)
Prior art keywords
pavement
water supply
water
edge
layer
Prior art date
Application number
PCT/JP2008/062185
Other languages
English (en)
Japanese (ja)
Inventor
裕 並木
一郎 高橋
智広 内池
豪 辻井
直幸 小栗
萬大 福田
Original Assignee
大成ロテック株式会社
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 大成ロテック株式会社 filed Critical 大成ロテック株式会社
Priority to PCT/JP2008/062185 priority Critical patent/WO2010001480A1/fr
Publication of WO2010001480A1 publication Critical patent/WO2010001480A1/fr

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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
    • E01C5/00—Pavings made of prefabricated single units
    • E01C5/003—Pavings made of prefabricated single units characterised by material or composition used for beds or joints; characterised by the way of laying
    • 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
    • E01C11/00—Details of pavings
    • E01C11/22—Gutters; Kerbs ; Surface drainage of streets, roads or like traffic areas
    • E01C11/224—Surface drainage of streets
    • E01C11/225—Paving specially adapted for through-the-surfacing drainage, e.g. perforated, porous; Preformed paving elements comprising, or adapted to form, passageways for carrying off drainage
    • 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
    • E01C11/00—Details of pavings
    • E01C11/24—Methods or arrangements for preventing slipperiness or protecting against influences of the weather
    • 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
    • E01C9/00—Special pavings; Pavings for special parts of roads or airfields
    • 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
    • Y02A30/30—Adapting or protecting infrastructure or their operation in transportation, e.g. on roads, waterways or railways

Definitions

  • the present invention relates to a pavement structure provided with a water supply function for suppressing the temperature rise of the pavement.
  • Patent Literature 1 discloses a pavement system in which water is automatically supplied from a water supply pipe (irrigation pipe) buried in the lower part of the pavement block, and the temperature rise of the pavement block is suppressed by the heat of vaporization.
  • Reference (2) also discloses a water-retentive pavement structure that has a water-retention layer on the pavement surface side and a water-supply layer below it, and can supply water from a water supply pipe embedded in the water-supply layer.
  • a water-retentive pavement structure that has a water-retention layer on the pavement surface side and a water-supply layer below it, and can supply water from a water supply pipe embedded in the water-supply layer.
  • the present invention has been made in view of such problems, and has an object to provide a pavement structure having a wide choice of materials and excellent in maintainability.
  • the pavement structure according to the present invention is characterized by comprising a pavement layer having a slit opened to the pavement surface, and water supply means installed in the slit.
  • the water supply means is installed in the slit provided in the pavement layer, the distance between the water supply means and the pavement layer is short. Therefore, since the material which can not soak up water can be used rather than before, the range of material selection will be expanded.
  • the water supply means is installed in the slit opened to the pavement surface, maintenance of the water supply means can be performed from the said opening part. Therefore, it is not necessary to peel off the pavement layer at the time of maintenance of the water supply means, and the time and cost of maintenance can be reduced.
  • the water supply means includes a water supply tape, and the water supply tape overlaps the other edge of one elongated plate member with the other edge of the other elongated plate.
  • the end portion of the first end portion is fixed to the one end portion so as to be hollow, and the other end portion which is the outer side is penetrated in a portion where the one end portion and the other end portion overlap. It is preferable to have the discharge part formed.
  • the said discharge part is a slit-shaped groove
  • the slit-like groove is opened by the water pressure and the water is discharged, so the water pressure inside the water supply tape does not easily decrease. Therefore, water can be stably supplied over the entire length of the water supply tape.
  • a pressure reducing device is provided between the one edge and the other edge. According to this configuration, it is possible to reliably discharge water from the discharge portion while maintaining the water pressure inside the water supply tape high by the pressure reducing device. Therefore, water can be stably supplied over the entire length of the water supply tape.
  • the decompression device is preferably a plurality of weirs formed on the outer surface of the one edge or the inner surface of the other edge. According to this configuration, since the pressure reducing action occurs when the water deforms the weir, the pressure reducing device can be configured with a simple configuration. Therefore, the manufacturing cost of the water supply tape can be reduced. Moreover, since it is a simple structure, it is hard to be damaged and maintenance cost can be reduced.
  • the water supply means of the present invention preferably comprises any one or a combination of a water supply tape, a water supply pipe, a groove-like member having an open top, or the like. According to this configuration, water can be suitably distributed in the slit.
  • the pavement layer of the present invention is composed of a plurality of pavement blocks, and the slit is preferably a joint between pavement blocks. According to this configuration, since the joint portion between the plurality of pavement blocks can be used as a slit, the formation of the slit and the installation of the water supply means are easy.
  • the pavement layer of the present invention preferably has water retention.
  • the paving block preferably has water retention. According to this configuration, for example, since the pavement layer formed of pavement blocks etc. has water retention, water supplied from the water supply means in the slit is retained in the pavement layer. Therefore, the cooling action can be sustained for a long time.
  • FIG. 1 is a plan view of a pavement structure according to the present embodiment.
  • FIG. 2 is a cross-sectional view of the pavement structure according to the present embodiment.
  • the pavement structure 1 which concerns on this embodiment comprises what is called a road, and is mainly provided with the pavement layer 2 used as a surface layer, and the water supply apparatus 3.
  • the pavement structure 1 has a layered structure, and includes a pavement layer 2, a support layer 4, an impermeable layer 5, and a roadbed 6 in this order from the pavement surface (see FIG. 2).
  • the application object of the pavement structure 1 may be, for example, a promenade, an open space, a parking lot, a building periphery, a rooftop, etc. as well as the sidewalk and the roadway.
  • the pavement layer 2 is a layer located closest to the ground surface, and is formed, for example, by laying a plurality of pavement blocks 20 having water retention capacity.
  • the pavement layer 2 has a slit that opens to the pavement surface 2a.
  • joints 25 of adjacent pavement blocks 20 function as slits.
  • the pavement block 20 is a member that receives a treading pressure of an automobile, a pedestrian, or the like, and is formed of, for example, a flat plate block having a rectangular shape.
  • the pavement blocks 20 are, for example, arranged in parallel along the extension direction of the road, and arranged alternately (staggeredly) in the width direction of the road.
  • Joints 25 are formed between adjacent pavement blocks 20.
  • the joint 25 is filled with sand 27 so that the pavement block 20 does not move (see FIG. 2).
  • the water supply tape 31 of the water supply apparatus 3 is embed
  • the paving block 20 includes, for example, a plurality of aggregates 21 and a water retaining grout 23 filled in the gaps between the aggregates 21.
  • the material, the particle size, the coarse particle ratio, the open particle size, and the like are selected and adjusted so that the aggregate 21 can exhibit desired strength.
  • the water retention grout 23 is a grout material having water retention, and is constituted, for example, by containing a mineral or resin having water retention in a normal grout material composed of cement and water.
  • the water holding grout 23 mainly holds water supplied from the water supply tape 31 and rain water that has rained on the pavement surface 2 a.
  • the pavement block 20 can be appropriately selected and used from known pavement blocks.
  • the support layer 4 is a layer that supports the pavement layer 2 from below, and is made of, for example, sand (fine aggregate) having a predetermined particle diameter.
  • the water blocking layer 5 is provided between the support layer 4 and the roadbed 6 to prevent the water from flowing out of the support layer 4 to the roadbed 6.
  • the water blocking layer 5 is made of, for example, a water blocking sheet. Water which can not be retained by the pavement layer 2 and the support layer 4 flows along the water impermeable layer 5 along the gradient and is drained.
  • the roadbed 6 is a layer that plays the role of dispersing the load from the support layer 4 and transmitting it to the roadbed (not shown).
  • the water supply apparatus 3 mainly includes a water supply tape 31 which is a water supply means, a water storage tank 32 and a connecting pipe 33 which connects these.
  • the water supply tape 31 is a water supply means for supplying water to the pavement layer 2, and is buried in the joint 25 (see FIG. 2).
  • the water supply tape 31 is disposed at predetermined intervals in the width direction of the road and along the extension direction of the road.
  • a connection pipe 33 is connected to each water supply tape 31, and water is supplied from the water storage tank 32 via the connection pipe 33.
  • FIG. 3 is a perspective view showing a water supply means, in which (a) shows a water supply tape and (b) shows a water supply pipe.
  • the water supply tape 31 has a cross-sectional shape that is elongated and crushed as shown in FIG. Is a member whose cross-sectional shape becomes circular.
  • the water supply tape 31 is installed in the narrow joint 25 so that it does not have a perfect circular shape even when water flows, and the cross-sectional shape is elongated to some extent Water is flowing in a crushed condition.
  • the water supply tape 31 is a hollow member made from resin, and water flows through the hollow part 31a.
  • the water supply tape 31 is hollow, for example, by overlapping one edge 31c and the other edge 31d of one elongated plate-like member and welding the lower end 31d1 of the other edge 31d which is the outer side. Is formed.
  • the water supply tape 31 has a slit (cut) -like groove 31b penetrating the other edge 31d to be the outside, in the vicinity of the widthwise central portion of the overlapping portion of the one edge 31c and the other edge 31d. doing.
  • the slit-like grooves 31 b are connected to, for example, a pressure reducing device described later, and are formed at intervals of several tens of centimeters in the longitudinal direction of the water supply tape 31.
  • the shape of the slit-like groove 31b is not particularly limited, and may be formed into any shape.
  • a plurality of weirs (a device that provides resistance when water flows) is formed on the inner peripheral surface of the hollow portion 31a (for example, the outer surface of one edge 31c) between the slit-like grooves 31b. It is a decompression device that decompresses the water pressure of the water supplied by a pump described later.
  • the water flowing through the hollow portion 31a enters between the one edge 31c and the other edge 31b, and after being decompressed by the decompression device, is discharged from the slit-like groove 31b to the outside. Therefore, regardless of the distance from the pump, a fixed amount of water can be discharged from each slit-like groove 31b.
  • the water supply means of this embodiment is not restricted to the water supply tape 31,
  • the water supply pipe 131 has a hollow portion 131a through which water flows, and a plurality of through holes 131b communicating the hollow portion 131a with the outer peripheral portion.
  • the through holes 131 b are, for example, formed in a circular shape, and two through holes 131 b are provided at predetermined intervals.
  • the water supply pipe 131 is formed of a flexible material (for example, rubber), and can be installed in the joint 25 by deforming into a slender oval even when the diameter is larger than the joint 25 of the pavement layer 2 It has become.
  • the water storage tank 32 is a tank for storing water to be supplied to the water supply tape 31, and can store, for example, rain water.
  • a connection pipe 33 is connected to the water storage tank 32.
  • connection pipe 33 is a pipe that connects the water supply tape 31 and the water storage tank 32, and is embedded below the pavement layer 2 along the cross direction of the road.
  • the connection pipe 33 is made of, for example, a vinyl chloride pipe having a diameter larger than that of the water supply tape 31 so as not to be easily closed.
  • the connecting pipe 33 is embedded below the pavement layer 2, but its extension is short, so that the area where the pavement layer 2 is peeled off can be minimized even if maintenance is necessary.
  • the water supply device 3 includes a sensor for measuring the amount of solar radiation, a pump for delivering water in the water storage tank 32 to the water supply tape 31, a control device for controlling the pump based on signals from the sensor, It also has a power supply, etc.
  • a power supply device it is preferable to use, for example, a solar power generator.
  • FIG. 4 is a perspective view showing another water supply pipe.
  • FIG. 5 is a view showing a modification of the water supply means.
  • the water supply tape 31 is used as the water supply means.
  • a resin water supply pipe 31A having a circular cross section may be installed.
  • the water supply pipe 31A has a circular cross section regardless of the flow of water in the hollow portion 31Aa, and has a plurality of through holes 31Ab.
  • Sand 27 is filled around the water supply pipe 31A.
  • the water supply pipe 31A is installed in the joint 25 of the pavement layer 2 with circular cross-sectional shape.
  • the grooved member 31B may be made of, for example, metal, or may be formed by bending a water-impervious sheet into a groove shape.
  • the inside of the grooved member 31B may be filled with sand.
  • the water supply tape 31 may be installed in the grooved member 31B. In this way, the water supplied from the water supply tape 31 is less likely to flow out to the support layer 4, and water can be effectively supplied to the pavement layer 2.
  • the water supplied from the water supply tape 31 is sucked up by the water retaining grout 23 of the pavement block 20 and rises to the pavement surface 2 a. Then, in the process of the water rising to the pavement surface 2a becoming steam, the heat of the pavement layer 2 is taken away as heat of vaporization, and the temperature rise of the pavement layer 2 is suppressed.
  • the pavement layer 2 since the water supply tape 31 is installed in the joint 25 which is a slit of the pavement layer 2, the pavement layer 2 only needs to suck water from the joint 25. Therefore, in comparison with the conventional pavement structure which has been sucked from the support layer 4, the suction distance is shortened, and it is possible to use a material having low water absorbability. Also, it is possible to use a material with low water absorption for the support layer 4. Therefore, the range of material selection of the pavement layer 2 and the support layer 4 is expanded. Moreover, since high water absorbency is not required, even if the water absorbency of the pavement layer 2 is reduced by aged deterioration, a high temperature reduction effect can be exhibited.
  • the water supply tape 31 in the joint 25 is gripped and pulled up to take out the water supply tape 31 from the joint 25. At this time, most of the sand 27 filled in the joint 25 is discharged out of the joint 25 together with the water supply tape 31.
  • the sand 27 in the joint 25 may be removed using an air blowing device or the like.
  • the water supply tape 31 is replaced, a new water supply tape 31 is installed in the original joint 25, and the sand 27 is filled. Thereby, maintenance of the water supply tape 31 can be performed, without removing the pavement block 20 almost. In addition, deterioration of the water supply tape 31 can be easily prevented by taking out and storing the water supply tape 31 from the joint 25 in the winter season when the heat island measure is unnecessary. Thereby, the useful life of the water supply tape 31 can be extended.
  • the pavement layer 2 is configured by laying a plurality of pavement blocks 20, but the configuration of the pavement layer 2 is not limited to this.
  • the pavement layer 2 may be a water-retentive asphalt pavement, or, more specifically, may be a conventional asphalt pavement or concrete pavement having no water-retention capacity.
  • the water supply tape 31 or the like can be installed in the slit by forming a slit in the pavement using an asphalt cutter or the like.
  • the slit may be formed by embedding a thin plate or the like at the time of placing the pavement and removing the thin plate after hardening.
  • the water supply tape 31 is installed in parallel to the extension direction of the road, but the installation direction of the water supply tape 31 is not particularly limited.
  • water supply pipes at equal intervals in the direction orthogonal to the road May be installed.
  • the method of fixing the end of the other edge of the water supply tape 31 and the one edge may be, for example, welding or bonding.
  • the slit-shaped groove 31b is described as an example of the discharge portion formed at the other edge of the water supply tape 31, but the present invention is not limited to this, and water can be discharged. As long as it is configured, any hole or cut may be used.
  • the case where a plurality of ridges are formed on the outer surface of one edge portion is described as an example, but a plurality of ridges are formed on the inner surface of the other edge portion.
  • the pressure reducing device may be configured.
  • the pressure reducing device may be any device as long as it can provide resistance when water exits from the slit-like groove, for example, one edge A non-woven fabric or a woven fabric may be disposed between the portion and the other edge.

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

Abstract

La présente invention concerne une structure de chaussée qui présente une grande liberté de sélection de matériau et une excellente aptitude à l’entretien. La structure de chaussée (1) comprend essentiellement une couche de corps de chaussée (2) qui forme une couche de surface et un dispositif d’alimentation en eau (3). La couche de corps de chaussée (2) est positionnée le plus près d’un côté surface de sol, et formée, par exemple, en étalant des blocs de chaussée (20) qui possèdent une propriété de rétention d’eau. La couche de corps de chaussée (2) comporte des fentes qui donnent sur la surface de chaussée (2a). Dans un mode de réalisation préféré, des joints (25) entre les blocs de chaussée (20) servent de fentes. Une bande d’alimentation en eau (31) est un moyen d’alimentation en eau destiné à fournir de l’eau à la couche de corps de chaussée (2), et est encastrée dans chacun des joints (25).
PCT/JP2008/062185 2008-07-04 2008-07-04 Structure de chaussée WO2010001480A1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
PCT/JP2008/062185 WO2010001480A1 (fr) 2008-07-04 2008-07-04 Structure de chaussée

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/JP2008/062185 WO2010001480A1 (fr) 2008-07-04 2008-07-04 Structure de chaussée

Publications (1)

Publication Number Publication Date
WO2010001480A1 true WO2010001480A1 (fr) 2010-01-07

Family

ID=41465596

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/JP2008/062185 WO2010001480A1 (fr) 2008-07-04 2008-07-04 Structure de chaussée

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WO (1) WO2010001480A1 (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106906713A (zh) * 2017-03-10 2017-06-30 泰州夏北新型绿色建材科技有限公司 一种改进结构的植草砖

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP3496475B2 (ja) * 1997-09-25 2004-02-09 株式会社大林組 湿潤性舗装システム
JP2004183296A (ja) * 2002-12-03 2004-07-02 Obayashi Road Corp 揚水・保水性舗装の施工方法
JP3754693B2 (ja) * 2004-03-10 2006-03-15 太平洋セメント株式会社 保水性舗装構造

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP3496475B2 (ja) * 1997-09-25 2004-02-09 株式会社大林組 湿潤性舗装システム
JP2004183296A (ja) * 2002-12-03 2004-07-02 Obayashi Road Corp 揚水・保水性舗装の施工方法
JP3754693B2 (ja) * 2004-03-10 2006-03-15 太平洋セメント株式会社 保水性舗装構造

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106906713A (zh) * 2017-03-10 2017-06-30 泰州夏北新型绿色建材科技有限公司 一种改进结构的植草砖

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