JPH08144211A - Heat-conductive pavement material - Google Patents
Heat-conductive pavement materialInfo
- Publication number
- JPH08144211A JPH08144211A JP28536694A JP28536694A JPH08144211A JP H08144211 A JPH08144211 A JP H08144211A JP 28536694 A JP28536694 A JP 28536694A JP 28536694 A JP28536694 A JP 28536694A JP H08144211 A JPH08144211 A JP H08144211A
- Authority
- JP
- Japan
- Prior art keywords
- graphite
- asphalt
- pavement
- asphalt mixture
- weight
- Prior art date
- Legal status (The legal status 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 status listed.)
- Granted
Links
- 239000000463 material Substances 0.000 title claims abstract description 15
- 239000010426 asphalt Substances 0.000 claims abstract description 32
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims abstract description 27
- 239000010439 graphite Substances 0.000 claims abstract description 26
- 229910002804 graphite Inorganic materials 0.000 claims abstract description 26
- 239000000203 mixture Substances 0.000 claims abstract description 24
- 239000004020 conductor Substances 0.000 claims abstract description 6
- 238000002844 melting Methods 0.000 claims description 14
- 230000008018 melting Effects 0.000 claims description 11
- 239000003607 modifier Substances 0.000 claims description 6
- 238000005507 spraying Methods 0.000 claims description 4
- 239000002657 fibrous material Substances 0.000 claims 1
- 239000011384 asphalt concrete Substances 0.000 description 11
- 238000005259 measurement Methods 0.000 description 9
- 238000000034 method Methods 0.000 description 8
- 238000005299 abrasion Methods 0.000 description 6
- 238000010438 heat treatment Methods 0.000 description 6
- 230000000694 effects Effects 0.000 description 5
- 239000003673 groundwater Substances 0.000 description 5
- 239000000523 sample Substances 0.000 description 4
- 239000004567 concrete Substances 0.000 description 3
- 239000006185 dispersion Substances 0.000 description 3
- 244000043261 Hevea brasiliensis Species 0.000 description 2
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 2
- UQSXHKLRYXJYBZ-UHFFFAOYSA-N Iron oxide Chemical compound [Fe]=O UQSXHKLRYXJYBZ-UHFFFAOYSA-N 0.000 description 2
- 229920006328 Styrofoam Polymers 0.000 description 2
- 239000011230 binding agent Substances 0.000 description 2
- 239000004568 cement Substances 0.000 description 2
- 239000005038 ethylene vinyl acetate Substances 0.000 description 2
- 229920006244 ethylene-ethyl acrylate Polymers 0.000 description 2
- 230000008014 freezing Effects 0.000 description 2
- 238000007710 freezing Methods 0.000 description 2
- 229920003052 natural elastomer Polymers 0.000 description 2
- 229920001194 natural rubber Polymers 0.000 description 2
- 229920001200 poly(ethylene-vinyl acetate) Polymers 0.000 description 2
- 229920005749 polyurethane resin Polymers 0.000 description 2
- 229920003048 styrene butadiene rubber Polymers 0.000 description 2
- 229920000468 styrene butadiene styrene block copolymer Polymers 0.000 description 2
- 239000008261 styrofoam Substances 0.000 description 2
- 238000010998 test method Methods 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- 229910000859 α-Fe Inorganic materials 0.000 description 2
- 229920000049 Carbon (fiber) Polymers 0.000 description 1
- 239000002174 Styrene-butadiene Substances 0.000 description 1
- 238000009825 accumulation Methods 0.000 description 1
- 230000002411 adverse Effects 0.000 description 1
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 1
- 229910052782 aluminium Inorganic materials 0.000 description 1
- FACXGONDLDSNOE-UHFFFAOYSA-N buta-1,3-diene;styrene Chemical compound C=CC=C.C=CC1=CC=CC=C1.C=CC1=CC=CC=C1 FACXGONDLDSNOE-UHFFFAOYSA-N 0.000 description 1
- 229910052799 carbon Inorganic materials 0.000 description 1
- 239000004917 carbon fiber Substances 0.000 description 1
- 150000001875 compounds Chemical class 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 229920001577 copolymer Polymers 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 239000003822 epoxy resin Substances 0.000 description 1
- 239000005042 ethylene-ethyl acrylate Substances 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 239000000835 fiber Substances 0.000 description 1
- 239000012774 insulation material Substances 0.000 description 1
- 229910052742 iron Inorganic materials 0.000 description 1
- 238000002372 labelling Methods 0.000 description 1
- 229930014626 natural product Natural products 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 229920001084 poly(chloroprene) Polymers 0.000 description 1
- 229920000647 polyepoxide Polymers 0.000 description 1
- 239000004814 polyurethane Substances 0.000 description 1
- 239000000843 powder Substances 0.000 description 1
- 230000005855 radiation Effects 0.000 description 1
- 239000004576 sand Substances 0.000 description 1
- 239000004575 stone Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Landscapes
- Road Paving Structures (AREA)
Abstract
Description
【０００１】[0001]
【産業上の利用分野】本発明は、無散水融雪舗装用のア
スファルトコンクリート及び舗装の凍結や積雪を抑制す
る熱伝導性舗装材料に関する。BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to asphalt concrete for water-free snow-melting pavement and a thermally conductive pavement material for suppressing freezing and snow accumulation of the pavement.
【０００２】[0002]
【従来の技術】従来、融雪及び凍結を防止する方法とし
て、アスファルト混合物層に電気ヒータを埋め込むロー
ドヒーティング、又は、融雪用パイプを埋め込み地下水
を汲み上げ循環させて融雪する地下水利用方式や、路面
に消雪パイプより散水して融雪する方式などがある。そ
のうち、例えばロードヒーティング方式は、熱伝導率が
小さく融雪までに長時間を要するため、必要とするエネ
ルギが大きい。また、地下水利用方式は、大量の地下水
を利用するため、地下水の枯渇や地盤沈下の悪影響が懸
念される。2. Description of the Related Art Conventionally, as a method for preventing snow melting and freezing, road heating in which an electric heater is buried in an asphalt mixture layer, or a snow melting pipe in which a snow melting pipe is buried and groundwater is circulated to melt snow by using a groundwater method. There is a method of spraying water from a snow-melting pipe to melt snow. Among them, for example, a road heating method has a low thermal conductivity and requires a long time to melt snow, and thus requires a large amount of energy. In addition, since the groundwater utilization method uses a large amount of groundwater, there is a concern that depletion of groundwater and adverse effects of land subsidence may occur.
【０００３】他方、熱伝導性舗装材料としては、次のも
のが知られている。 （１） アスファルトコンクリート、セメントコンクリ
ート舗装材製造時に、鉄、アルミニュウム等を混入した
もの（特開昭５９−１８５２０４号公報）。 （２） フェライトとバインダとの混合物（特開平２−
２１０１０３号公報）。 （３） アスファルトコンクリート、セメントコンクリ
ートに、フェライトを調合したもの（特開平４−２２２
７０２号公報）。 （４） 透水性コンクリート及び透水性アスファルトコ
ンクリートに、粗酸化鉄粉末を１０〜２０部分散したも
の（特開平５−１１８００６号公報）。しかし、これら
の熱伝導性舗装材料の熱伝導率は、大きいもので２．９
Ｋｃａｌ／ｍ・ｈ・℃程度で満足できるものではない。On the other hand, the following are known as heat conductive pavement materials. (1) Asphalt concrete and cement concrete pavement materials produced by mixing iron, aluminum and the like (Japanese Patent Application Laid-Open No. 59-185204). (2) Mixture of ferrite and binder
210103 publication). (3) Asphalt concrete, cement concrete mixed with ferrite (JP-A-4-222)
702). (4) Dispersion of 10 to 20 parts of coarse iron oxide powder in permeable concrete and permeable asphalt concrete (JP-A-5-118006). However, the thermal conductivity of these thermally conductive pavement materials is as high as 2.9.
Kcal / m · h · ° C is not satisfactory.
【０００４】[0004]
【発明が解決しようとする課題】本発明は、舗装体の中
に放熱管、電熱線等を埋設した無散水融雪舗装の熱伝導
率を向上する熱伝導性舗装材料を提供することを目的と
している。SUMMARY OF THE INVENTION An object of the present invention is to provide a thermally conductive pavement material for improving the thermal conductivity of a non-sprinkling snow-melting pavement in which a radiation pipe, a heating wire and the like are embedded in a pavement. I have.
【０００５】[0005]
【課題を解決するための手段】本発明によれば、アスフ
ァルト混合物に高熱伝導性材料を混入し熱伝導率を向上
して無散水融雪舗装に用いる熱伝導性舗装材料におい
て、前記高熱伝導性材料にグラファイトを用い、前記ア
スファルト混合物１００重量部中、３〜３０重量部を前
記グラファイトで置き換え全体に分散させている。According to the present invention, there is provided a heat-conductive pavement material for use in a non-water-spraying snow melting pavement in which a high heat-conductive material is mixed in an asphalt mixture to improve the heat conductivity, and the high heat-conductive material is used. Graphite is used, and 3 to 30 parts by weight of 100 parts by weight of the asphalt mixture is replaced with the graphite and dispersed throughout.
【０００６】さらに本発明によれば、グラファイトに、
天然に産出するもの、人工的に製造するもの及び繊維状
のものを用いている。Further in accordance with the present invention, graphite is
We use natural products, artificial products and fibrous products.
【０００７】さらに本発明によれば、アスファルト混合
物１００重量部に対し５〜１０重量部のアスファルト改
質材を用いている。Further in accordance with the present invention, 5 to 10 parts by weight of asphalt modifier are used per 100 parts by weight of the asphalt mixture.
【０００８】[0008]
【作用】上記のように構成された熱伝導性舗装材料にお
いて、グラファイトは、高熱伝導性なのでアスファルト
コンクリートの熱伝導性は向上される。その際、グラフ
ァイトの置換重量が、３重量部以下では、アスファルト
混合物への分散が悪く熱伝導の効果が充分でなく、３０
重量部以上では、グラファイトが持つ脆弱性が舗装体に
影響を及ぼし、かつ、不経済である。In the thermally conductive pavement material constructed as described above, graphite has high thermal conductivity, so that the thermal conductivity of asphalt concrete is improved. At this time, if the replacement weight of graphite is 3 parts by weight or less, the dispersion in the asphalt mixture is poor, and the effect of heat conduction is not sufficient.
Above the parts by weight, the fragility of graphite affects the pavement and is uneconomical.
【０００９】また、アスファルト混合物を車道部に使用
する場合は、流動・摩耗対策としてアスファルト改質材
を用いる。When the asphalt mixture is used in the roadway, an asphalt modifier is used as a measure against flow and wear.
【００１０】[0010]
【実施例】以下図面を参照して本発明の実施例を説明す
る。Embodiments of the present invention will be described below with reference to the drawings.
【００１１】本発明で置換分散されるグラファイトに
は、天然に産出するもの、人工的に製造するもの及び繊
維状のもの（カーボンファイバ）が用いられる。As the graphite to be substituted and dispersed in the present invention, those produced naturally, those artificially produced, and fibers (carbon fibers) are used.
【００１２】表１には、使用したグラファイトの粒度分
布が示されている。Table 1 shows the particle size distribution of the graphite used.
【００１３】 実験に使用した混合物「密粒度ギャップアスファルト混
合物（１３Ｆ）」とし、グラファイトの添加量は、アス
ファルトを除く全骨材１００重量部の内５、１０、１
５、２０、３０、４０重量部（表１に示す３種類を単独
あるいは組合せて使用し、それぞれをＡ〜Ｆの配合名称
とする）とし、従来品に使用している７号砕石あるいは
細目砂と置き換えた。[0013] The mixture used in the experiment was "Dense Grain Gap Asphalt Mixture (13F)", and the addition amount of graphite was 5, 10, 1 out of 100 parts by weight of the total aggregate excluding asphalt.
5, 20, 30, 40 parts by weight (the three types shown in Table 1 are used alone or in combination, each of which is referred to as a compound name of A to F), and the No. 7 crushed stone or fine sand used in the conventional product Was replaced with
【００１４】表２には、使用材料の配合割合が示されて
いる。Table 2 shows the proportions of the materials used.
【００１５】 熱伝導率の測定には、表３に示す装置（プローブ法）を
用いた。[0015] The apparatus shown in Table 3 (probe method) was used for measuring the thermal conductivity.
【００１６】 熱電導測定用試料には、熱電導率測定用アスファルト混
合物は、前記表２に示す骨材の配合割合およびアスファ
ルト量で作製した直径１０１．６ｍｍ、厚さ６３．５ｍ
ｍの試料（マーシャル供試体）を用いて測定した。[0016] In the sample for measurement of thermal conductivity, the asphalt mixture for measurement of thermal conductivity was 101.6 mm in diameter and 63.5 m in thickness, which was prepared based on the mixing ratio of the aggregate and the amount of asphalt shown in Table 2 above.
The measurement was performed using m samples (Marshall specimens).
【００１７】なお、試料の作製方法は従来のアスファル
ト混合物の作製方法と同様である。The method for preparing the sample is the same as the method for preparing a conventional asphalt mixture.
【００１８】熱伝導率を測定した結果を表４に示す。Table 4 shows the results of the measurement of the thermal conductivity.
【００１９】 アスファルト混合物の耐摩耗性（すりへり抵抗又は脆弱
性）の試験を「舗装試験法便覧（社団法人日本道路協
会）」の「ラベリング試験方法」に基づいて行った。使
用したアスファルト混合物は、前記の熱伝導率測定用ア
スファルト混合物である。そして、一般的なアスファル
ト混合物と同様に加熱・混合したグラファイト入りアス
ファルト混合物を幅１５ｃｍ、長さ４０ｃｍ、厚さ５ｃ
ｍの鋼製型枠に投入し、所定の密度（前記表４に示す試
料密度の９９％〜１０１％）が得られるようにローラコ
ンパクタおよび圧縮試験機で充分に締固めた。[0019] The abrasion resistance (rubbing resistance or brittleness) of the asphalt mixture was tested based on "Labeling test method" in "Handbook of Pavement Test Methods (Japan Road Association)". The asphalt mixture used was the above-described asphalt mixture for measuring thermal conductivity. A graphite-containing asphalt mixture heated and mixed in the same manner as a general asphalt mixture is 15 cm in width, 40 cm in length, and 5 c in thickness.
m, and was sufficiently compacted with a roller compactor and a compression tester so as to obtain a predetermined density (99% to 101% of the sample density shown in Table 4 above).
【００２０】表５には、測定条件が示されている。Table 5 shows the measurement conditions.
【００２１】 耐摩耗性（すり減り抵抗性）は、供試体表面のすり減り
量（断面積）を算出して判断し、その値が小さくなるほ
どすり減り抵抗性に優れているといえる。[0021] The wear resistance (abrasion resistance) is judged by calculating the amount of abrasion (cross-sectional area) on the surface of the specimen, and it can be said that the smaller the value, the better the abrasion resistance.
【００２２】表６には、すり減り量の測定結果が示され
ている。Table 6 shows the measurement results of the wear amount.
【００２３】 図１は、表４及び表６をまとめて示したものである。図
から、グラファイトの混入量が多いほど、熱伝導率の改
善効果が高く、最高では従来の２．９Ｋｃａｌ／ｍ・ｈ
・℃に対し、４．３３Ｋｃａｌ／ｍ・ｈ・℃と略１．５
倍に改善される。しかし、混入量が４０％になると、す
り減り量が極端に低下する。したがって、グラファイト
混入量は３０％が上限である。また、３％以下では、ア
スファルト混合物への分散が悪く熱伝導率が２Ｋｃａｌ
／ｍ・ｈ・℃以下と従来より小さくなる。したがって、
グラファイト混入量は、３％が下限である。[0023] FIG. 1 shows Tables 4 and 6 collectively. From the figure, the larger the amount of graphite mixed, the higher the effect of improving the thermal conductivity, and the maximum is 2.9 Kcal / m · h of the conventional type
・ Approximately 1.5 with respect to ℃ 4.33Kcal / m ・ h ・ ℃
Be doubled. However, when the mixing amount becomes 40%, the amount of wear decreases extremely. Therefore, the upper limit of the amount of mixed graphite is 30%. If it is 3% or less, the dispersion in the asphalt mixture is poor, and the thermal conductivity is 2 Kcal.
/ M · h · ° C. or less. Therefore,
The lower limit of the amount of graphite mixed is 3%.
【００２４】融雪速度の測定には、図２に示す装置を用
い、グラファイト置換率３０％のものについて行った。The snow melting rate was measured using the apparatus shown in FIG. 2 and having a graphite substitution rate of 30%.
【００２５】図２において、１はダイヤルゲージ、２は
氷でΦ＝１０ｃｍ、５００ｇである。３は３ｃｍの密粒
度アスファルトコンクリート版で、カーボン置換及び通
常アスコンである。４は２ｃｍの細粒度アスファルトコ
ンクリート版、５は３ｃｍの細粒度アスファルトコンク
リート版、６は発泡スチロール版（断熱材）で厚さ：１
０ｃｍ、７は４０ｗの発熱体（発熱線）、８は冷凍庫で
ある。各舗装版の大きさは、４０×４０ｃｍである。In FIG. 2, 1 is a dial gauge, 2 is ice, and Φ = 10 cm and 500 g. 3 is a 3 cm dense grain asphalt concrete slab, carbon substituted and usually ascon. 4 is a 2 cm fine-grained asphalt concrete plate, 5 is a 3 cm fine-grained asphalt concrete plate, 6 is a styrofoam plate (insulation material), thickness: 1
0 cm, 7 is a 40 w heating element (heating wire), and 8 is a freezer. The size of each paving slab is 40 × 40 cm.
【００２６】図３には、測定結果が示されている。図か
ら通電時間６００分では、従来に比べて融雪効果が約２
倍向上しているのが判る。FIG. 3 shows the measurement results. From the figure, when the energization time is 600 minutes, the snow melting effect is about 2 compared to the conventional one.
You can see that it has improved twice.
【００２７】他方、アスファルト混合物に使用するバイ
ンダは、歩道の場合は流動や摩耗を考慮する必要がない
ため、通常のストレートアスファルトを使用するが、車
道部の場合は、流動・摩耗対策として、アスファルト改
質材を使用する。改質材としては、天然ゴム（ＮＲ）あ
るいはスチレンブタジエン共重合体（ＳＢＲ）あるいは
ポリクロロプレン（ＣＲ）あるいはスチレンブタジエン
スチレン共重合体（ＳＢＳ）あるいはスチレンイソプレ
ンスチレン共重合体（ＳＩＳ）あるいはエチレン酢酸ビ
ニル共重合体（ＥＶＡ）あるいはエチレンエチルアクリ
レート共重合体（ＥＥＡ）あるいはエポキシ樹脂（Ｅ
Ｔ）あるいはポリウレタン樹脂（ＰＵ）が用いられる。On the other hand, as for the binder used for the asphalt mixture, ordinary straight asphalt is used because there is no need to consider the flow and wear in the case of a sidewalk. However, in the case of a roadway, asphalt is used as a measure against flow and wear. Use a modifier. As the modifier, natural rubber (NR), styrene butadiene copolymer (SBR), polychloroprene (CR), styrene butadiene styrene copolymer (SBS), styrene isoprene styrene copolymer (SIS), or ethylene vinyl acetate Copolymer (EVA) or ethylene ethyl acrylate copolymer (EEA) or epoxy resin (E
T) or polyurethane resin (PU) is used.
【００２８】そのアスファルト改質材の添加量は、スト
レートアスファルト１００重量部に対して５〜１０重量
部を標準とするが、目標とする耐流動性、耐摩耗性ある
いは施工性・作業性を満足する範囲で添加する。The standard amount of the asphalt modifier added is 5 to 10 parts by weight per 100 parts by weight of the straight asphalt, but the desired flow resistance, abrasion resistance, workability and workability are satisfied. Add within the range.
【００２９】[0029]
【発明の効果】本発明は、以上説明したように構成され
ているので、舗装の熱伝導率を、従来品の約１５０％に
改善し、無散水で融雪効果を大幅に向上することができ
る。Since the present invention is constructed as described above, the thermal conductivity of pavement can be improved to about 150% of that of the conventional product, and the snow melting effect can be greatly improved without sprinkling water. .
【図１】本発明による測定結果を示すグラファイト混入
量と熱伝導率・すり減り量特性図。FIG. 1 is a graph showing characteristics of the amount of mixed graphite and the thermal conductivity / abrasion amount showing measurement results according to the present invention.
【図２】融雪測定装置を示す側断面図。FIG. 2 is a side sectional view showing a snow melting measuring device.
【図３】本発明による融雪測定結果を示す通電時間と氷
の高さ特性図。FIG. 3 is a graph showing the relationship between energization time and ice height, showing the results of snow melting measurement according to the present invention.
１・・・ダイヤルゲージ ２・・・氷 ３・・・密粒度アスファルトコンクリート版 ４・・・細粒度アスファルトコンクリート版 ５・・・細粒度アスファルトコンクリート版 ６・・・発泡スチロール版 ７・・・発熱体 ８・・・冷凍庫 DESCRIPTION OF SYMBOLS 1 ... Dial gauge 2 ... Ice 3 ... Dense grain asphalt concrete plate 4 ... Fine grain asphalt concrete plate 5 ... Fine grain asphalt concrete plate 6 ... Styrofoam plate 7 ... Heating element 8 ... Freezer
Claims (3)
混入し熱伝導率を向上して無散水融雪舗装に用いる熱伝
導性舗装材料において、前記高熱伝導性材料にグラファ
イトを用い、前記アスファルト混合物１００重量部中、
３〜３０重量部を前記グラファイトで置き換え全体に分
散させたことを特徴とする熱伝導性舗装材料。1. A thermally conductive pavement material for use in a non-water-spraying snow melting pavement in which a highly thermally conductive material is mixed into an asphalt mixture to be used for non-water-spraying snow melting pavement, wherein graphite is used as the highly thermally conductive material, and 100 parts by weight of the asphalt mixture is used. Part of
A thermally conductive pavement material, wherein 3 to 30 parts by weight are replaced with the graphite and dispersed throughout.
人工的に製造するもの及び繊維状のものを用いることを
特徴とする請求項１記載の熱伝導性舗装材料。2. A graphite naturally produced,
The heat conductive pavement material according to claim 1, wherein an artificially manufactured material and a fibrous material are used.
５〜１０重量部のアスファルト改質材を用いたことを特
徴とする請求項１記載の熱伝導性舗装材料。3. The heat conductive pavement material according to claim 1, wherein 5 to 10 parts by weight of the asphalt modifier is used with respect to 100 parts by weight of the asphalt mixture.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP6285366A JP2598887B2 (en) | 1994-11-18 | 1994-11-18 | Thermal conductive pavement material |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP6285366A JP2598887B2 (en) | 1994-11-18 | 1994-11-18 | Thermal conductive pavement material |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH08144211A true JPH08144211A (en) | 1996-06-04 |
| JP2598887B2 JP2598887B2 (en) | 1997-04-09 |
Family
ID=17690627
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP6285366A Expired - Lifetime JP2598887B2 (en) | 1994-11-18 | 1994-11-18 | Thermal conductive pavement material |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP2598887B2 (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2003096740A (en) * | 2001-09-25 | 2003-04-03 | Ishikawajima Harima Heavy Ind Co Ltd | Snow melting system |
| JP2005305692A (en) * | 2004-04-19 | 2005-11-04 | Tama Tlo Kk | Fiber reinforced plastic preform, fiber reinforced plastic material and roll |
| CN102815893A (en) * | 2012-09-04 | 2012-12-12 | 深圳市科中大交通建材有限公司 | Asphalt mixture with ice and snow removing function and preparation method thereof |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH05112918A (en) * | 1991-10-24 | 1993-05-07 | Iwata Kensetsu Kk | Snow melting disposal equipment |
-
1994
- 1994-11-18 JP JP6285366A patent/JP2598887B2/en not_active Expired - Lifetime
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH05112918A (en) * | 1991-10-24 | 1993-05-07 | Iwata Kensetsu Kk | Snow melting disposal equipment |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2003096740A (en) * | 2001-09-25 | 2003-04-03 | Ishikawajima Harima Heavy Ind Co Ltd | Snow melting system |
| JP4496694B2 (en) * | 2001-09-25 | 2010-07-07 | 株式会社Ｉｈｉ | Snow melting road construction method |
| JP2005305692A (en) * | 2004-04-19 | 2005-11-04 | Tama Tlo Kk | Fiber reinforced plastic preform, fiber reinforced plastic material and roll |
| JP4672280B2 (en) * | 2004-04-19 | 2011-04-20 | 敏夫 谷本 | roll |
| CN102815893A (en) * | 2012-09-04 | 2012-12-12 | 深圳市科中大交通建材有限公司 | Asphalt mixture with ice and snow removing function and preparation method thereof |
Also Published As
| Publication number | Publication date |
|---|---|
| JP2598887B2 (en) | 1997-04-09 |
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