WO2011129022A1 - 舗装ブロック - Google Patents

舗装ブロック Download PDF

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Publication number
WO2011129022A1
WO2011129022A1 PCT/JP2010/063095 JP2010063095W WO2011129022A1 WO 2011129022 A1 WO2011129022 A1 WO 2011129022A1 JP 2010063095 W JP2010063095 W JP 2010063095W WO 2011129022 A1 WO2011129022 A1 WO 2011129022A1
Authority
WO
WIPO (PCT)
Prior art keywords
block
pavement
cement
paving
coating
Prior art date
Application number
PCT/JP2010/063095
Other languages
English (en)
French (fr)
Japanese (ja)
Inventor
滋 横山
勇 清水
昌洋 木俣
達郎 平山
Original Assignee
太平洋プレコン工業株式会社
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 太平洋プレコン工業株式会社 filed Critical 太平洋プレコン工業株式会社
Priority to CN2010800661860A priority Critical patent/CN102834567A/zh
Priority to JP2012510530A priority patent/JPWO2011129022A1/ja
Priority to KR1020127026851A priority patent/KR20130061130A/ko
Publication of WO2011129022A1 publication Critical patent/WO2011129022A1/ja

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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
    • E01C5/06—Pavings made of prefabricated single units made of units with cement or like binders
    • E01C5/065—Pavings made of prefabricated single units made of units with cement or like binders characterised by their structure or component materials, e.g. concrete layers of different structure, special additives
    • 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
    • E01C5/06—Pavings made of prefabricated single units made of units with cement or like binders
    • 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
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B28—WORKING CEMENT, CLAY, OR STONE
    • B28B—SHAPING CLAY OR OTHER CERAMIC COMPOSITIONS; SHAPING SLAG; SHAPING MIXTURES CONTAINING CEMENTITIOUS MATERIAL, e.g. PLASTER
    • B28B11/00—Apparatus or processes for treating or working the shaped or preshaped articles
    • B28B11/002—Apparatus for washing concrete for decorative purposes or similar surface treatments for exposing the texture
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B28—WORKING CEMENT, CLAY, OR STONE
    • B28B—SHAPING CLAY OR OTHER CERAMIC COMPOSITIONS; SHAPING SLAG; SHAPING MIXTURES CONTAINING CEMENTITIOUS MATERIAL, e.g. PLASTER
    • B28B11/00—Apparatus or processes for treating or working the shaped or preshaped articles
    • B28B11/08—Apparatus or processes for treating or working the shaped or preshaped articles for reshaping the surface, e.g. smoothing, roughening, corrugating, making screw-threads
    • B28B11/0818—Apparatus or processes for treating or working the shaped or preshaped articles for reshaping the surface, e.g. smoothing, roughening, corrugating, making screw-threads for roughening, profiling, corrugating
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B28—WORKING CEMENT, CLAY, OR STONE
    • B28B—SHAPING CLAY OR OTHER CERAMIC COMPOSITIONS; SHAPING SLAG; SHAPING MIXTURES CONTAINING CEMENTITIOUS MATERIAL, e.g. PLASTER
    • B28B7/00—Moulds; Cores; Mandrels
    • B28B7/0064—Moulds characterised by special surfaces for producing a desired surface of a moulded article, e.g. profiled or polished moulding surfaces
    • 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 block for suppressing a temperature rise near the road surface of the pavement due to direct sunlight in summer.
  • various pavement blocks are known for suppressing a temperature rise near the surface of the pavement block to alleviate the heat island phenomenon in summer.
  • a roadbed material layer that secures necessary voids by adjusting the particle size of the roadbed material is provided above the roadbed, and a porous water retention block is laid above the roadbed material layer, and the water retention block
  • a water-retaining pavement structure that obtains a cooling effect on the pavement surface by evaporation of moisture from the surface, and a plurality of water-impermeable trays with an open top surface are installed on the road bed or in the roadbed material layer Has been proposed (Patent Document 1).
  • the surface layer is formed of a solidified layer mainly composed of calcium carbonate and magnesia cement, and the base layer is set as a strength body.
  • Patent Document 2 A heat storage suppression block characterized by the above has been proposed.
  • Patent Document 3 a technique for suppressing a temperature rise near the surface of a pavement made of a dense particle size asphalt mixture, which is not a pavement block. Examples include pigments that absorb in the visible region of sunlight and reflect in the infrared region, solvent-soluble acrylic resins, acrylic emulsion resins, urea resins, epoxy resins, solvent-soluble fluorine resins, and fluorine-based pigments.
  • a paving body such as a road characterized by applying a thermal barrier paint containing a vehicle selected from any one or two or more of emulsion resins and, if necessary, a white pigment.
  • Patent Document 2 The technology of Patent Document 2 is that the material itself forming the surface layer of the block has the effect of suppressing the increase in the surface temperature of the block, but the strength of the cured body (cured material of the material containing calcium carbonate and magnesia cement) that forms the surface layer. However, there exists a problem that it is smaller than the intensity
  • Patent Document 3 describes an experimental example using a dense particle size asphalt mixture and an experimental example using a porous asphalt mixture. However, no experimental example using a cement-based composition such as concrete is described at all. Moreover, the technique of patent document 3 is related to the paving body which consists of a dense particle size asphalt mixture etc., and is not related to a paving block.
  • An object of the present invention is to provide a paving block capable of easily forming a paving body in a short time.
  • the present inventor has formed a coating made of a thermal barrier paint for paving on the surface of a cement-based cured body having a surface for forming a paving surface.
  • the present invention provides the following [1] to [3].
  • the uneven surface of the cement-based cured body is (a) production of the cement-based cured body as porous concrete, (b) shot blast finish, (c) wash-out finish, (d) uneven surface.
  • the pavement block of the present invention has a coating made of a thermal barrier paint for pavement formed on an uneven surface of a cement-based hardened body, it is uneven in periods such as summer when the temperature rise near the road surface due to direct sunlight is significant. Because of the heat dissipation from the coating, which has a large area and has various light receiving angles with respect to changes in the incident angle of sunlight, the high effect of suppressing the temperature rise near the road surface is stably achieved. Demonstrating and mitigating the heat island phenomenon. Moreover, since the pavement block of the present invention is formed with a coating made of a thermal barrier paint for pavement on the uneven surface of the cement-based cured body, pedestrians, automobiles, etc. pass through the cement-based cured body. Even when the film near the top of the uneven surface is peeled off, the film in the region other than the vicinity of the top of the uneven surface remains without being peeled off. The high effect of suppressing the rise can be maintained over a long period of time.
  • the pavement block of the present invention has an uneven surface and uses a thermal insulating paint for pavement that can be blended with various pigments.
  • the pavement block has a single color road surface. Even if it exists, it can have the outstanding scenery property, such as a shadow changing with the time-dependent change of the angle of sunlight, and giving a unique external appearance.
  • the paving block of the present invention uses a cement-based hardened body having an uneven surface, the sliding resistance of the road surface is large, and when used for applications such as sidewalks and roadways, pedestrians slip and fall. There is little risk of accidents such as accidents, and safety is also excellent.
  • the pavement block of the present invention can be used by transporting it to the construction site as a finished product obtained by preliminarily applying a thermal barrier paint for pavement in a manufacturing factory. It can be formed easily and in a short time.
  • a pavement block 1 is composed of a surface layer formed by forming a coating 3 made of a heat-shielding paint 3 a for pavement on the uneven surface of a cement-based cured body 2 and a base layer 4.
  • the uneven surface of the cement-based cured body 2 is a surface (upper surface) for forming road surfaces such as sidewalks, roadways, and parking lots.
  • the cement-based cured body 2 and the coating 3 may be the same color or different colors, but are preferably the same color or approximate colors.
  • the approximate color refers to a color difference ⁇ E of 6 or less, more preferably 3 or less when the side color is JIS Z 8729 (CIE Lab display system).
  • the coating 3 may be formed only from the thermal barrier paint for paving, or may be formed from the thermal barrier paint for paving and fine aggregates such as silica sand.
  • an excellent slip resistance can be obtained even when the coating 3 is made of only a thermal barrier paint for paving.
  • an excellent slip resistance can be obtained even when the coating 3 is made of only a thermal barrier paint for paving.
  • cured body is employ
  • an excellent slip resistance having a road surface BPN value (slip resistance) of 60 or more can be obtained without using fine aggregates such as silica sand.
  • the thickness of the coating 3 is preferably 30 to 2,000 ⁇ m, more preferably 100 to 1,000 ⁇ m, and particularly preferably 200 to 500 ⁇ m. If the thickness is less than 30 ⁇ m, the effect of suppressing the temperature rise near the road surface cannot be sufficiently obtained, and it is difficult to make the thickness of the coating uniform. Furthermore, the durability of the coating also decreases. If the thickness exceeds 2,000 ⁇ m, not only an increase in temperature rise suppression effect in the vicinity of the road surface can be expected, but also the use amount of the thermal barrier paint for paving is increased, which is economically disadvantageous, If the block is water permeable, it may block the voids on the surface of the pavement block and lower the water permeability. Moreover, since the depth of the unevenness on the surface of the pavement block becomes shallow and the shadow becomes thin, the appearance also deteriorates.
  • thermal barrier paint for pavement
  • thermal barrier paint is a paint for forming a paint film on the pavement surface, and is used near the pavement surface by direct sunlight. It refers to a paint that can exert an effect of suppressing temperature rise.
  • the thermal barrier paint used in the present invention is a 150 W light source arranged at a point where the surface temperature of the standard dense particle asphalt reaches 60 ° C. when the surface of the standard dense particle asphalt is irradiated for 3 hours at a temperature of 20 ° C.
  • the surface temperature is preferably 5 ° C. or more (surface temperature: 55 ° C.
  • a pigment that absorbs electromagnetic waves in the visible light region and has a high reflectivity of electromagnetic waves in the infrared region (780 to 2100 nm) with respect to sunlight for example, used as a component of the paint
  • Color pigments, white pigments or extender pigments having such properties
  • those kneaded with materials that suppress heat storage and have high heat dissipation performance
  • electromagnetic waves in the infrared region Heat-shielding material such as (d) heat-insulating material (for example, hollow ceramic balloon particles), (e) rutile titanium oxide (white pigment)
  • thermal barrier paint examples include, but are not limited to, a silicon acrylic emulsion system, an acrylic emulsion system, a solvent-soluble acrylic system, a urethane resin system, a urea resin system, an epoxy resin system, and a vinyl ester resin system. It is not a thing.
  • thermal barrier paints examples include “ATTSU-9 load W”, “ATTSU-9 load U” (above, manufactured by Nippon Paint Co., Ltd.), “SP reflector W”, “SP reflector V” (above, God East Paint Co., Ltd., “Shernets” (Arakawa Paint Co., Ltd.), “Cool Top Hood” (Suzuka Fine Co., Ltd.), “Cool Lane” (Superia Co.), “Miracool S300” (Nagashima Special Paint Co., Ltd.) ), “Eco Cool Mild” (manufactured by Dainippon Paint Co., Ltd.), “Color Falto Cool” (manufactured by Daido Paint Co., Ltd.), and the like.
  • thermal barrier paints have alkali resistance and water resistance, and are preferably used in the present invention.
  • the method for applying the thermal barrier paint include spraying, roller, brush, curtain flow, dipping and the like.
  • the method for curing the thermal barrier coating include room temperature curing, heat curing, and UV curing.
  • a transparent protective film may be formed on the coating 3 by further applying a transparent coating agent made of an acrylic, polyurethane, or polycarbonate material. By the protective film, durability, antifouling property, scratch damage resistance, weather resistance and the like of the coating 3 can be enhanced.
  • the uneven surface of the cement-based cured body 2 is a mold having (a) production of the cement-based cured body as porous concrete, (b) shot blasting, (c) wash-out finishing, and (d) an uneven inner surface. It can be formed by one or more selected from the use of a frame. In addition, the combination of said (a) and said (d) is mentioned as an example of these suitable combinations.
  • the decrease in the surface temperature under the conditions defined in the above definition for the thermal barrier coating is 10 ° C. or more (surface temperature: 50 ° C. or less), and “JIPEA
  • the slip resistance measured according to the slip resistance test method of the interlocking block specified in “ ⁇ TM-6” is 80 BPN or more.
  • the pavement block 1 When producing the cement-based hardened body 2 as porous concrete, the pavement block 1 may be produced as a water-permeable material with the base layer 4 made of porous concrete, or the base layer 4 is made of dense concrete and impermeable to water. You may produce as a thing of nature.
  • the cement-based hardened body 2 has the necessary strength as a paving block with the coarse aggregates 2a fixed by the paste 2b, and has continuous voids 2c. Etc. can be permeated from the road surface, moisture can be discharged into the ground from the lower part of the pavement block, and has excellent water permeability.
  • the water permeability coefficient of the pavement block 1 is preferably 0.01 cm / second or more, more preferably 0.05 to 0.5 cm / second.
  • the volume ratio of the continuous gap 2c in the pavement block 1 having water permeability is, for example, 16 to 28%. When the proportion is less than 16%, the water permeability coefficient becomes small, and excellent water permeability cannot be obtained. If the ratio exceeds 28%, the strength required for use as a paving block cannot be obtained, and the gap diameter increases, so that the unevenness of the surface of the paving block increases and walking safety decreases. To do.
  • the cement-based cured body 2 can be formed using a normal material for producing a porous concrete cured body (porous concrete cured body).
  • the BPN value (slip resistance) of the road surface of the permeable or non-permeable pavement block 1 is 40 or more for a sidewalk and 60 or more for a roadway.
  • the base layer 4 is usually formed as a hardened porous or non-porous concrete.
  • the shot blasting finish of the above (b) refers to a method in which steel ball grains are sprayed onto the cemented hardened body 2 for processing. By shot blasting, for example, an uneven surface having a depth of 0.2 to 5.0 mm can be formed.
  • the washing finish of (c) is to wash the surface with water before the cement paste of the cement-based cured body 2 made of a material kneaded with seed stones has not yet hardened to expose a part of the seed stone on the surface portion. Say the method.
  • the washing finish can form an uneven surface having a depth of 0.3 to 15 mm, for example, depending on the size of the seed stone.
  • the “use of a mold having an uneven inner surface” in (d) above uses a mold having an uneven inner surface such as a slit.
  • the side surface viewed from the side is a sawtooth shape in which a large number of triangles are connected, and the flat surface viewed from above is a linear peak (top) and a linear valley ( The bottom) may appear alternately and parallel to each other.
  • the pitch between the ridges is, for example, 3 to 50 mm
  • the distance between the ridges and the valleys is, for example, 1 to 10 mm.
  • the side shape viewed from the side includes a hook-tooth shape, a wave shape, and the like, and the cross-sectional unevenness and the like are also given to the plane viewed from above.
  • the irregular shape other than the slit shape include a dot shape, a truncated cone shape, a quadrangular frustum shape, and an X shape.
  • Example 1 Cement-based hardened body A block A which is porous concrete having water permeability (block surface color tone: cement gray (N5), dimensions: length 100 mm ⁇ width 200 mm ⁇ thickness 60 mm, top surface form: flat) did.
  • Block surface color tone cement gray (N5), dimensions: length 100 mm ⁇ width 200 mm ⁇ thickness 60 mm, top surface form: flat
  • Coating Film-Forming Coating Thermal barrier coating (trade name: ATTSU-9 load W, color: gray (N7), manufactured by Nippon Paint Co., Ltd.) was used as the coating film-forming coating a.
  • Pavement block The coating layer forming paint a was applied to the upper surface of the block A by air spraying to obtain a pavement block 1. The thickness of the coating after application was 200 ⁇ m.
  • the center point temperature of the surface of the pavement block 1 is measured at intervals of 1 minute using a data logger with a T-type thermocouple, and the maximum temperature ("surface temperature" in Table 1). Asked. The results are shown in Table 1. (5) Measurement of hydraulic conductivity and slip resistance Permeability of interlocking blocks specified in “JIS A 5371 Precast Unreinforced Concrete Products Appendix 2 (Specification) Recommended Specifications for Pavement / Boundary Blocks 2-3 Interlocking Blocks” According to the test method, the water permeability coefficient of the pavement block 1 was measured. Further, the sliding resistance of the pavement block 1 was measured according to the sliding resistance test method of the interlocking block specified in “JIPEA-TM-6”. The results are shown in Table 2.
  • Example 2 The surface temperature, water permeability coefficient, and slip resistance of the paving block were measured in the same manner as in Example 1 except that the following film forming paint b was used instead of the film forming paint a. The results are shown in Tables 1 and 2.
  • a thermal barrier paint (trade name: SP reflector W, color: beige (N7), manufactured by Shinto Paint Co., Ltd.) was used as the paint b for film formation.
  • the surface temperature, water permeability coefficient, and slip resistance of the paving block were measured in the same manner as in Example 1 except that the coating film forming paint a was not used. The results are shown in Tables 1 and 2.
  • [Comparative Example 2] The surface temperature of the paving block was measured in the same manner as in Example 1 except that the block B made of dense-graded asphalt concrete was used instead of the block A. The results are shown in Table 1.
  • Example 3 Slit shape with a flat convex part width of 5 mm, a flat concave part width of 3 mm, and a vertical wall height (concave / convex depth) of 1.5 mm (formed using a mold having a concave / convex inner surface)
  • the surface temperature of the paving block was the same as in Example 1 except that the block C prepared in the same manner as the block A was used except that the thickness of the coating film a was set to 300 ⁇ m.
  • the water permeability coefficient and slip resistance were measured. The results are shown in Tables 1 and 2.
  • Example 4 The surface temperature, the water permeability coefficient, and the slip resistance of the pavement block were measured in the same manner as in Example 3 except that the film forming paint b was used in place of the film forming paint a. The results are shown in Tables 1 and 2.

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  • Engineering & Computer Science (AREA)
  • Architecture (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Road Paving Structures (AREA)
PCT/JP2010/063095 2010-04-16 2010-08-03 舗装ブロック WO2011129022A1 (ja)

Priority Applications (3)

Application Number Priority Date Filing Date Title
CN2010800661860A CN102834567A (zh) 2010-04-16 2010-08-03 铺装砌块
JP2012510530A JPWO2011129022A1 (ja) 2010-04-16 2010-08-03 舗装ブロック
KR1020127026851A KR20130061130A (ko) 2010-04-16 2010-08-03 포장 블록

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2010094879 2010-04-16
JP2010-094879 2010-04-16

Publications (1)

Publication Number Publication Date
WO2011129022A1 true WO2011129022A1 (ja) 2011-10-20

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PCT/JP2010/063095 WO2011129022A1 (ja) 2010-04-16 2010-08-03 舗装ブロック

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JP (1) JPWO2011129022A1 (zh)
KR (1) KR20130061130A (zh)
CN (1) CN102834567A (zh)
WO (1) WO2011129022A1 (zh)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2015052228A (ja) * 2013-09-06 2015-03-19 奥アンツーカ株式会社 舗装用ポリウレタン樹脂組成物及びそれを用いた舗装体
AT17726U1 (de) * 2019-11-05 2022-12-15 Comptoir Du Batiment Nv Verbundbaustoffe mit einer strukturierten Oberfläche

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2004001335A (ja) * 2002-03-28 2004-01-08 Taiheiyo Cement Corp 透水性コンクリートブロック
JP2004251108A (ja) * 2003-01-31 2004-09-09 Kajima Road Co Ltd 道路等の舗装体

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0489374A (ja) * 1990-07-27 1992-03-23 Washi Chuetsu Board Kk 窯業系基材の含浸着色方法及び該方法により製造された化粧板
CN2359363Y (zh) * 1998-11-02 2000-01-19 金钟甲 特殊合成树脂石料地砖
JP4546328B2 (ja) * 2005-05-31 2010-09-15 大有建設株式会社 舗装体及びその製造方法
CN200940247Y (zh) * 2006-07-18 2007-08-29 黄清标 表面具有突出条纹的人行道地面砖

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2004001335A (ja) * 2002-03-28 2004-01-08 Taiheiyo Cement Corp 透水性コンクリートブロック
JP2004251108A (ja) * 2003-01-31 2004-09-09 Kajima Road Co Ltd 道路等の舗装体

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2015052228A (ja) * 2013-09-06 2015-03-19 奥アンツーカ株式会社 舗装用ポリウレタン樹脂組成物及びそれを用いた舗装体
AT17726U1 (de) * 2019-11-05 2022-12-15 Comptoir Du Batiment Nv Verbundbaustoffe mit einer strukturierten Oberfläche

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JPWO2011129022A1 (ja) 2013-07-11
CN102834567A (zh) 2012-12-19
KR20130061130A (ko) 2013-06-10

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