JP2012207467A - Pavement suitable for food facility - Google Patents
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- JP2012207467A JP2012207467A JP2011074352A JP2011074352A JP2012207467A JP 2012207467 A JP2012207467 A JP 2012207467A JP 2011074352 A JP2011074352 A JP 2011074352A JP 2011074352 A JP2011074352 A JP 2011074352A JP 2012207467 A JP2012207467 A JP 2012207467A
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Abstract
Description
本発明は各種食品製造工場等の食品施設に適した舗装体に関する。 The present invention relates to a pavement suitable for food facilities such as various food manufacturing factories.
各種食品製造工場では、食の安全・安心及び衛生的な環境を確立することが極めて重要であり、従来から種々の対策がとられてきた。工場の建物周辺に舗装体を舗設することものその一つであり、それにより地中からの虫の侵入を防ぐことができる。しかし、建物周辺の舗装体に関し更なる対策はとられていない。 In various food manufacturing factories, it is extremely important to establish food safety / security and a hygienic environment, and various countermeasures have been taken. This is one of the paving bodies that are built around the factory building, which can prevent insects from entering the ground. However, no further measures have been taken with respect to the pavement around the building.
本発明者等は、食品製造工場等の食品施設への虫の浸入対策に改善の余地があるとの現状に接し、その効果的な対策を確立すべく鋭意検討を続け本発明に到達した。 The present inventors contacted the present situation that there is room for improvement in measures against insect invasion into food facilities such as food manufacturing factories, etc., and have continued earnestly studying to establish an effective measure and have reached the present invention.
従って、本発明の目的は、食品工場等への虫の侵入を効果的に抑制する新しい対策を提供することにある。 Accordingly, an object of the present invention is to provide a new measure for effectively suppressing insects from entering food factories and the like.
本発明は、第１に、舗装体の表層部に防虫成分を保持させてなる舗装体であって、前記表層部が、空隙率が１５〜３０％の舗装層の空隙部に、前記防虫成分を保持させた担体を配した表層部からなることを特徴とする食品施設に適した舗装体であり、前記担体は、好ましくは、浸透用セメントミルク又は透水性樹脂モルタルである。ここで、前記舗装層としては、アスファルト混合物層やポーラスコンクリート版を用いることができる。 First, the present invention provides a pavement in which a surface layer portion of a pavement holds an insect repellent component, wherein the surface layer portion is formed in the space portion of the pavement layer having a porosity of 15 to 30%. It is a pavement suitable for a food facility characterized by comprising a surface layer portion provided with a carrier holding a carrier, and the carrier is preferably cement milk for permeation or a water-permeable resin mortar. Here, as the pavement layer, an asphalt mixture layer or a porous concrete plate can be used.
本発明は、第２に、舗装体の表層部に防虫成分を保持させてなる舗装体であって、前記表層部が、アスファルト混合物層またはコンクリート版の表面に、前記防虫成分を含む塗料を塗布して形成した表層部からなることを特徴とする食品施設に適した舗装体である。 Second, the present invention provides a pavement in which an insecticidal component is held on a surface layer portion of the pavement, wherein the surface layer portion is coated with a paint containing the insecticidal component on the surface of an asphalt mixture layer or a concrete plate. It is a pavement suitable for a food facility characterized by comprising a surface layer formed as described above.
本発明は、第３に、舗装体の表層部に防虫成分を保持させてなる舗装体であって、前記表層部が、前記防虫成分を含むアスファルト混合物を舗設して形成した表層部からなることを特徴とする食品施設に適した舗装体である。 Thirdly, the present invention provides a pavement in which an insect repellent component is held on a surface layer portion of the pavement, wherein the surface layer portion is formed of a surface layer portion formed by paving an asphalt mixture containing the insect repellent component. It is a pavement suitable for food facilities.
本発明は、第４に、舗装体の表層部に防虫成分を保持させてなる舗装体であって、前記表層部が、アスファルト混合物層の上層部の空隙率が中下層部の空隙率より大きい傾斜機能型舗装体の上層部に、前記防虫成分を保持させて形成した表層部からなることを特徴とする食品施設に適した舗装体である。 Fourthly, the present invention provides a pavement in which an insecticidal component is held on the surface layer portion of the pavement, wherein the surface layer portion has a higher porosity in the upper layer portion of the asphalt mixture layer than in the middle and lower layer portions. It is a pavement suitable for a food facility characterized by comprising a surface layer part formed by holding the insect repellent component in an upper layer part of a functionally graded pavement.
本発明によれば、地中からのみではなく建物周辺全体からの虫の浸入を効果的に抑制して、食品施設の衛生環境を大幅に改善することができる。特に、空隙率が１５〜３０％の舗装層の空隙部に、前記防虫成分を保持させた担体を配した表層部を用いた場合には、防虫効果をより長期間維持することができる。 ADVANTAGE OF THE INVENTION According to this invention, the penetration | invasion of the insect from not only the ground but the whole building periphery can be suppressed effectively, and the sanitary environment of food facilities can be improved significantly. In particular, when the surface layer portion in which the carrier holding the insect repellent component is used in the void portion of the pavement layer having a porosity of 15 to 30%, the insect repellent effect can be maintained for a longer period.
前記防虫成分を保持させた担体の内部では、紫外線や微生物などによる有効成分の分解が表面に比べて抑えられる。そのため前記防虫成分を保持させた担体が、長期間の使用により表面が磨耗すると、それによって内部の防虫成分が新たに表面に出現して、防虫効果を長期間維持することができる。 In the inside of the carrier holding the insect repellent component, the decomposition of the active component by ultraviolet rays or microorganisms is suppressed compared to the surface. Therefore, when the surface of the carrier holding the insect repellent component is worn due to long-term use, the internal insect repellent component newly appears on the surface, and the insect repellent effect can be maintained for a long time.
また、担体として透水性樹脂モルタルを用いた場合には、透水性を保持しつつ防虫効果を長期間維持することができる。
また、防虫成分を含む塗料を塗布して表層部とする場合には、既設舗装に対しても同様の防虫効果をもたせることができる。
Moreover, when water-permeable resin mortar is used as a carrier, the insect-proof effect can be maintained for a long time while maintaining water permeability.
In addition, when a coating containing an insect repellent component is applied to form a surface layer portion, the same insect repellent effect can be given to existing pavement.
防虫成分を含むアスファルト混合物を舗設して表層部とする場合には、防虫効果が高くかつ耐久性に優れた舗装とすることができる。
また、アスファルト混合物層の上層部の空隙率が中下層部の空隙率より大きい傾斜機能型舗装体の上層部に、前記防虫成分を保持させて表層部とする場合には、防虫成分を直接舗装に散布しても防虫成分が流失しにくいので、高い防虫効果を長期間維持することができる。
In the case where an asphalt mixture containing an insect repellent component is paved to form a surface layer portion, it is possible to provide a pavement having a high insect repellent effect and excellent durability.
In addition, in the case where the upper layer portion of the functionally graded pavement in which the porosity of the upper layer portion of the asphalt mixture layer is larger than the porosity of the middle lower layer portion is used as the surface layer portion by retaining the insect repellent component, the insect repellent component is directly paved. Since the insect repellent component is not easily washed away even if sprayed on the surface, a high insect repellent effect can be maintained for a long time.
本発明の舗装体は食品製造工場等の食品施設の建物から通常１〜５ｍの範囲の外周に沿って舗設することが好ましい。
防虫成分としては、市販されている防虫剤のなかから適宜選択することができる。典型例としては、有機りん剤（フェニトロチオン、プロペタンホスなど）、ピレスロイド剤（シフェノトリン、プロフルトリンなど）、ネオニコチノイド剤（イミダクロプリド、ジノテフランなど）などからなる合成殺虫剤や、ウコン、ゼラニウム、レモングラス、フェンネル、ユーカリ、ヒバなどの防虫効果を有する植物精油、またはその成分からなるものなどがある。特にマイクロカプセル化した防虫剤は本発明に用いるに適した防虫成分である。防虫成分は、それぞれの使用態様において防虫効果を発現しうる濃度で使用される。担体、塗料またはアスファルト混合物の重量に対する防虫成分の重量として、通常０．１〜１０重量％の濃度で使用される。
It is preferable that the paving body of the present invention is paved along the outer periphery usually in the range of 1 to 5 m from the building of a food facility such as a food manufacturing factory.
The insect repellent component can be appropriately selected from commercially available insect repellents. Typical examples include synthetic insecticides such as organophosphorus agents (fenitrothion, propetanephos, etc.), pyrethroids (cyphenothrin, profluthrin, etc.), neonicotinoid agents (imidacloprid, dinotefuran, etc.), turmeric, geranium, lemongrass, There are plant essential oils having insect repellent effects such as fennel, eucalyptus, and hiba, or those composed of components thereof. In particular, microencapsulated insect repellents are insect repellent components suitable for use in the present invention. The insect repellent component is used at a concentration capable of exhibiting an insect repellent effect in each use mode. The concentration of the insect repellent component relative to the weight of the carrier, paint or asphalt mixture is usually used at a concentration of 0.1 to 10% by weight.
本発明では、舗装体の表層部に防虫成分を保持することを要するが、その第一の態様は、空隙率が１５〜３０％の舗装層の空隙部に、防虫成分を含む浸透用セメントミルクを充填して形成される。この場合の舗装層としては、アスファルト混合物層が好ましく、空隙率の大きな開粒度タイプの半たわみ性舗装用アスファルト混合物（開粒度アスファルト混合物）などが用いられる。
浸透用セメントミルクとしては、水およびセメントと、用途に応じてフライアッシュ、硅砂、石粉および添加剤などが用いられる。
In the present invention, it is necessary to retain the insect repellent component in the surface layer portion of the pavement, but the first aspect thereof is a cement milk for infiltration containing an insect repellent component in the void portion of the pavement layer having a porosity of 15 to 30%. It is formed by filling. As the pavement layer in this case, an asphalt mixture layer is preferable, and an open particle size type semi-flexible asphalt mixture (open particle size asphalt mixture) having a large porosity is used.
As cement milk for osmosis | permeation, fly ash, cinnabar sand, stone powder, an additive, etc. are used according to a use with water and cement.
第二の態様は、透水性樹脂モルタル型の防虫舗装であり、空隙率が１５〜３０％の舗装層の空隙部に、防虫成分を含む透水性樹脂モルタルをすり込んで形成される。この場合の舗装層としても、アスファルト混合物層が好ましく、空隙率の大きな開粒度タイプのアスファルト混合物などが用いられる。この場合の透水性樹脂モルタルとしては、セラミック系人工骨材と２液混合型の特殊エポキシ樹脂との混合物などが用いられる。 A 2nd aspect is a water-permeable resin mortar type insect-proof pavement, and is formed by rubbing a water-permeable resin mortar containing an insect-proof component into a void portion of a pavement layer having a porosity of 15 to 30%. As the pavement layer in this case, an asphalt mixture layer is preferable, and an open particle type asphalt mixture having a large porosity is used. As the water-permeable resin mortar in this case, a mixture of a ceramic artificial aggregate and a two-component mixed special epoxy resin or the like is used.
第三の態様は、塗布型の防虫舗装であり、アスファルト混合物層またはコンクリート版の表面に、防虫成分を含む塗料を塗布して形成される。この場合に適用対象となるアスファルト混合物層またはコンクリート版は、既設舗装でも新設舗装でもよい。
塗料としては、防虫成分と混合して舗装に塗布できるものであれば用いることができるが、特に２液硬化型またはエマルジョン系の遮熱性塗料を用いることが好ましい。
A third aspect is an application type insect repellent pavement, which is formed by applying a paint containing an insect repellent component on the surface of an asphalt mixture layer or a concrete plate. In this case, the asphalt mixture layer or concrete plate to be applied may be an existing pavement or a new pavement.
Any paint can be used as long as it can be mixed with an insect repellent component and applied to the pavement. In particular, it is preferable to use a two-component curable or emulsion-based thermal barrier paint.
第四の態様は、混合物型の防虫舗装であり、防虫成分を含むアスファルト混合物を舗設して形成される。 The fourth aspect is a mixture type insect repellent pavement, which is formed by paving an asphalt mixture containing an insect repellent component.
第五の態様は、砕石マスチック型の防虫舗装であり、アスファルト混合物層の上層部の空隙率が中下層部の空隙率より大きい傾斜機能型舗装体の上層部に、防虫成分を保持させて形成される。 The fifth aspect is a crushed stone mastic type insect repellent pavement, which is formed by retaining an insect repellent component in the upper layer portion of the functionally graded pavement in which the porosity of the upper layer portion of the asphalt mixture layer is larger than the porosity of the middle lower layer portion. Is done.
第六の態様は、アスファルト混合物を一層で締固めた表層をもつ舗装体であって、表層の上層部の空隙率が中下層の空隙率より大きく、表層の深さ方向の空隙率分布が２０〜３％である傾斜機能型舗装体の上層部に防虫成分を保持させて形成される、上層部が排水性舗装機能をもち中下層部が砕石マスチックアスファルト舗装と同等以上の耐久性をもつ舗装体である。 A sixth aspect is a pavement having a surface layer obtained by compacting an asphalt mixture in a single layer, wherein the porosity of the upper layer portion of the surface layer is larger than the porosity of the middle and lower layers, and the porosity distribution in the depth direction of the surface layer is 20 Pavement formed by holding an insecticidal component in the upper part of the functionally graded pavement that is 3%, with the upper part having drainage pavement function and the middle and lower part having durability equal to or better than crushed stone mastic asphalt pavement Is the body.
上記の態様は、本発明の好ましい態様であり、本発明は上記態様には限定されない。
以下、実施例について説明する。
Said aspect is a preferable aspect of this invention, and this invention is not limited to the said aspect.
Examples will be described below.
半たわみ性舗装型の防虫舗装（空隙率が１５〜３０％のアスファルト混合物層の空隙部に、防虫成分を含む浸透用セメントミルクを充填して形成した舗装体）として、防虫成分をそれぞれ０．２％、０．５％、１．０％、２．０％含有させたセメントミルクを充填した防虫舗装供試体（サイズ：１５×１５×５ｃｍ）を作製し、殺虫・忌避効果の確認を行った。 Semi-flexible pavement-type insect-proof pavement (pavement formed by filling a void portion of an asphalt mixture layer having a porosity of 15 to 30% with cement milk for penetration containing an insect-repellent component). Insect-proof pavement specimens (size: 15 x 15 x 5 cm) filled with cement milk containing 2%, 0.5%, 1.0%, and 2.0% were prepared, and insecticidal and repellent effects were confirmed. It was.
〔試験方法１−１〕
所定濃度の防虫成分を含有させた防虫舗装供試体の上に直径９ｃｍ×高さ５ｃｍのプラスチックリングを置き、その中にダンゴムシ各１０頭を入れ、経過時間にともなうノックダウン率の変化を調べた。その結果を表１に示す。ここでノックダウン率とは、ダンゴムシが歩行不能または活動不能の状態となった割合をいう。
[Test Method 1-1]
A plastic ring with a diameter of 9 cm and a height of 5 cm was placed on an insect-proof pavement specimen containing a predetermined concentration of insect-proofing ingredients, and each of 10 cardigans was placed therein, and the change in the knockdown rate with the passage of time was examined. . The results are shown in Table 1. Here, the knockdown rate refers to the rate at which the rubber tree is unable to walk or be inactive.
〔試験方法１−１の結果の考察〕
表１の試験結果より、防虫成分含有量が０．２％、２．０％の供試体において、１時間経過後から効果が見られた。また、８時間経過時では、防虫成分含有量が２．０％の供試体のノックダウン率は９０％を示しており、最も殺虫効果が高いことが確認できた。
[Consideration of Test Method 1-1 Results]
From the test results shown in Table 1, the effect was observed after 1 hour in the specimens having an insecticidal component content of 0.2% and 2.0%. Moreover, when 8 hours passed, the knockdown rate of the test piece having an insecticidal component content of 2.0% was 90%, and it was confirmed that the insecticidal effect was the highest.
〔試験方法１−２〕
試験方法１で使用した防虫舗装供試体と防虫成分無含有の通常舗装供試体を左右に並べて設置し、その境界線が中央になるように試験方法１で使用したプラスチックリングを置き、その中にダンゴムシを１０頭入れて、経過時間にともなうノックダウン率の変化を調べた。試験は３回繰返して実施した。
また、左右の供試体の上で活動しているダンゴムシの頭数を各々計数し、３回繰返し合計頭数が１０頭以上の場合に、以下の式により忌避率を求めた。
防虫成分含有面上の頭数
（１− ──────────── ）×１００（％）
防虫成分無含有面上の頭数
ただし、忌避率が５０％以下の場合や活動頭数が１０頭以下の場合には、忌避効果は無効とみなした。ノックダウン率の経時変化および忌避効果の結果を表２に示す。
[Test Method 1-2]
Place the insect-proof pavement specimen used in Test Method 1 and the normal pavement specimen containing no insect-control ingredients side by side, and place the plastic ring used in Test Method 1 so that the boundary line is in the center. Ten cardworms were added, and the change in the knockdown rate with the passage of time was examined. The test was repeated three times.
In addition, the number of Dang beetles active on the left and right specimens was counted, and when the total number was 10 times or more, the repelling rate was calculated by the following formula.
Number of insects on the surface containing insect repellents (1- ────────────) x 100 (%)
Number of insects on the surface containing no insect repellent However, when the repelling rate is 50% or less or the number of active animals is 10 or less, the repelling effect was considered invalid. Table 2 shows the results of changes over time in the knockdown rate and the repellent effect.
〔試験方法１−２の結果の考察〕
表２の試験結果より、防虫成分含有量が１．０％、２．０％の供試体において高い殺虫効果が確認できた。経過時間による殺虫効果が最も得られたものは、防虫成分含有量が２．０％の供試体であり、そのノックダウン率は２時間経過時で４０％、６時間経過時で８３．３％、２２時間経過時では１００％であった。
忌避効果が認められたのは防虫成分含有量２．０％における２時間経過時と３時間経過時のみで、それぞれの忌避率は６４．３％、８１．８％となり、高い忌避効果を示した。４時間経過以降はノックダウン数が増して活動頭数が１０頭以下となり、評価は無効であった。防虫成分含有量１．０％以下の全ての試験区では、５０％以上の忌避率は認められなかった。
[Consideration of Test Method 1-2 Results]
From the test results of Table 2, a high insecticidal effect could be confirmed in the specimens having an insecticidal component content of 1.0% and 2.0%. The specimen with the highest insecticidal effect by elapsed time was a specimen having an insecticidal component content of 2.0%, and the knockdown rate was 40% after 2 hours and 83.3% after 6 hours. When 22 hours had elapsed, it was 100%.
The repellent effect was recognized only at the time of 2 hours and 3 hours when the insect repellent content was 2.0%, and the repellent rates were 64.3% and 81.8%, respectively, indicating a high repellent effect. It was. After 4 hours, the number of knockdowns increased and the number of active animals became 10 or less, and the evaluation was invalid. In all test plots with an insecticidal component content of 1.0% or less, a repellent rate of 50% or more was not observed.
実施例１の試験結果より、防虫成分含有量が２．０％の供試体の殺虫・忌避効果が最も優れていることが分かったので、少なくとも防虫成分が舗装表面付近に２．０％程度あれば殺虫・忌避効果が高いといえる。そこで、防虫成分含有セメントミルクを舗装の表面から１ｃｍ程度充填させた防虫舗装供試体を用いて、殺虫・忌避効果の確認試験を実施した。 From the test results of Example 1, it was found that the insecticidal / repellent effect of the specimen having the insecticidal component content of 2.0% was the best, so that at least the insecticidal component was about 2.0% near the pavement surface. It can be said that the insecticidal and repellent effect is high. Therefore, an insecticidal and repellent effect confirmation test was carried out using an insecticidal pavement specimen filled with approximately 1 cm of cement milk containing insecticidal components from the surface of the pavement.
〔試験方法２〕
防虫成分を２．０％含有する防虫舗装供試体（舗装表面から１ｃｍ程度の深さまでセメントミルクを充填したもの）の上に試験方法１−１、１−２と同様にプラスチックリングを置き、その中にダンゴムシ１０頭を入れ、経過時間にともなうノックダウン率を調べた。７時間経過時以降は水を含浸させた脱脂綿を径１ｃｍのアルミホイル上に置き、リング中央に配置して給水させた。この試験結果を表３に示す。
[Test method 2]
Place a plastic ring in the same manner as in test methods 1-1 and 1-2 on an insect-proof pavement specimen containing 2.0% of insect-repellent components (filled with cement milk to a depth of about 1 cm from the pavement surface) Ten cardworms were put inside, and the knockdown rate with the elapsed time was examined. After the elapse of 7 hours, absorbent cotton impregnated with water was placed on an aluminum foil having a diameter of 1 cm and placed in the center of the ring to supply water. The test results are shown in Table 3.
〔試験方法２の結果の考察〕
表３に示すとおり、防虫成分を２．０％含有する防虫舗装供試体（舗装表面から１ｃｍ程度の深さまでセメントミルクを充填したもの）では、６〜７時間経過時のダンゴムシに対するノックダウン率が９５〜１００％であった。なお、２〜３時間経過時には、ダンゴムシが供試体に脚が接触するのを嫌がり、複数の個体が背中に重なり合う行動が観察された。
この試験結果より、舗装表面から１ｃｍ程度の深さまでセメントミルクを充填した供試体でも、殺虫・忌避効果が得られることが確認できた。
[Consideration of Test Method 2 Results]
As shown in Table 3, the insect pavement specimen containing 2.0% of the insect repellent component (filled with cement milk from the pavement surface to a depth of about 1 cm) has a knockdown rate against the rubber leaf after 6 to 7 hours. It was 95 to 100%. In addition, when 2-3 hours passed, it was observed that the dandelion did not like the legs coming into contact with the specimen, and a behavior in which a plurality of individuals overlapped on the back was observed.
From this test result, it was confirmed that insecticidal and repellent effects can be obtained even with a specimen filled with cement milk to a depth of about 1 cm from the pavement surface.
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| Publication number | Priority date | Publication date | Assignee | Title |
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| JP2018003289A (en) * | 2016-06-28 | 2018-01-11 | 大成ロテック株式会社 | Foamed asphalt mixture and method of manufacturing the same |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS57169138A (en) * | 1981-04-10 | 1982-10-18 | Nippon Hodo Co Ltd | Under-floor pavement work |
| JP2001348807A (en) * | 2000-03-06 | 2001-12-21 | Nippon Hodo Co Ltd | Treatment method of pavement surface |
| JP2005061042A (en) * | 2003-08-12 | 2005-03-10 | Public Works Research Institute | Solar heat intercepting pavement body |
| JP3136086U (en) * | 2007-07-30 | 2007-10-11 | 株式会社ビルドシステム | Gas station structure |
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Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS57169138A (en) * | 1981-04-10 | 1982-10-18 | Nippon Hodo Co Ltd | Under-floor pavement work |
| JP2001348807A (en) * | 2000-03-06 | 2001-12-21 | Nippon Hodo Co Ltd | Treatment method of pavement surface |
| JP2005061042A (en) * | 2003-08-12 | 2005-03-10 | Public Works Research Institute | Solar heat intercepting pavement body |
| JP3136086U (en) * | 2007-07-30 | 2007-10-11 | 株式会社ビルドシステム | Gas station structure |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2018003289A (en) * | 2016-06-28 | 2018-01-11 | 大成ロテック株式会社 | Foamed asphalt mixture and method of manufacturing the same |
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