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路面防裂貼

  • 所屬分類:防裂貼
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  • 發布日期:2020-02-04 19:52:36
  • 產品概述

路面防裂貼

路面防裂貼

路面防裂貼

防裂貼

產品介紹

防裂貼是由瀝青基的高分子聚合物、高強抗拉胎基、耐高溫并與瀝青相容的高強織物復合而成。其貼于產生裂縫或剝落的瀝青混泥土面,能減少并阻隔其功用于路面的溫縮應力,于是減少了裂縫反射穿過面層的趨勢,鋪設與路面因其基層與上部磨耗層隔離開來,從而使上面層免受多向位移及剪切應力的影響,用于公路、橋梁、機場等。

產品特點

1、隔離效用。鋪放抗裂貼,開裂的面層與瀝青面層隔離,避免了開裂層面與瀝青面層的直接接觸,基層裂縫拉應力不能直接傳遞到瀝青混凝土面層上,雖減少了基層與面層間的結协力,但高聚物抗裂貼能使上下層很好的粘連成體,配合继承車輛荷載的功效,足以防备界面上下層的相對位移而保持連續。

2、加筋效用。抗裂貼具有的強度,可承袭必定的裂縫拉應力,當裂縫拉應力增大并抗裂貼的抗拉強度時,抗裂貼開始變形,此時面層開始继承抗裂貼傳遞上來的拉應力。抗裂貼層面继承裂縫的整个拉應力,顯然抗裂貼起到加筋的功效,在此意義上說,它提高了路面結構層的抗拉強度。

3、消能緩沖功效。抗裂貼是具有延伸性的原料,高聚物有較好的低溫柔韌性,鋪設在瀝青路面層間,于設置了一彈性層,基層裂縫拉應力通過抗裂貼高聚物擴展到更寬范圍,從而緩解裂縫處應力強度,有彈性的層間能起到吸收部分拉伸能量的功用。

4、隔水防滲作用。抗裂貼高聚物能酿成一完整的隔水防滲層,可隔斷路面水向路基滲透,從而保護基層的強度,使基層资料性質不至于進一步惡化。抗裂貼用于瀝青路面層可有效抑制裂縫傳遞,在實際工程中發揮抗裂貼的抗裂功用及吸作用。

Polymer Crack Sticker


Product Introduction

Polymer Crack Sticker (anti-cracking patch, seam tape and YN-anti-cracking patch) is a compound of asphalt-based polymer, high-strength tensile tire base, high temperature resistant strength fabric compatible with asphalt. It can reduce and block the temperature shrinkage stress on the pavement, so it also reduces the tendency of cracks to reflect through the surface layer. The base layer is isolated from the upper wear layer, so that the upper layer is protected from multi-directional displacement and shear stress, and is mainly used in highways, bridges, airports and etc.


Product Features

1. Separation. The polymer crack sticker isolates the cracked surface layer from the asphalt surface layer, avoiding direct contact between the cracked layer and the asphalt surface layer, and the tensile stress of the cracks in the base layer cannot be directly transmitted to the asphalt concrete surface layer. Although the connection between the base layer and the surface layer is reduced, the polymer anti-cracking paste can make the upper and lower layers adhere well together to bear the load of the vehicle, which is enough to prevent the relative displacement of the upper and lower layers of the interface.

2. Reinforcing. The polymer crack sticker has a certain strength and can withstand a certain crack tensile stress. When the crack tensile stress increases to stronger than the tensile strength of the crack resistance, the crack resistance begins to deform. At this time, the surface layer begins to bear the resistance of the crack resistance upward tensile stress. The polymer crack sticker will bear the full tensile stress of the crack, which improves the tensile strength of the pavement structural layer.

3. Energy dissipation. The polymer crack sticker has certain ductility, the polymer has good low-temperature flexibility, and the tensile stress of the cracks in the base layer is extended to a wider range through the polymer crack sticker, thereby alleviating the stress intensity at the crack.

4. Water-proof and anti-seepage. The anti-cracking polymer can form a complete water-proof and anti-seepage layer, which can block the infiltration of pavement water to the subgrade, thereby protecting the strength of the base layer and preventing the properties of the base layer material from further deterioration. Applying anti-cracking patch to the asphalt pavement layer can effectively inhibit the upward transmission of cracks, and play the anti-cracking and energy absorption effect of anti-cracking patch in actual engineering.

防裂貼施工時注意事項

 1、氣溫低于5℃時不宜施工。

 2、路面干燥,雨、雪天不得施工。

 3、在坡度5%時,“防裂貼”寬度不宜330mm。

 4、攤鋪瀝青混凝土的總厚度不應小于6cm。

 5、當鋪貼“防裂貼”的部位,鄰邊高差1cm或坑洞多時,需將該部位找平后鋪貼,防范鋪貼在凹下處

的“防裂貼”的受到重力后。找平原料可用環氧砂漿或用瀝青混合料找平。

 6、施工后,必須將“防裂貼”壓密實,以防在攤鋪瀝青混凝土前雨水“防裂貼”粘合面。假若預計攤鋪

瀝青混凝土之前要下大雨,應在“防裂貼”二側用密封膠加以密封。

    7、車輛不得在“防裂貼”上就的碾轉掉頭。

上一篇: 自粘式防裂貼 2020-02-04
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