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Special geotechnical pipe bag for dredging and solidification cofferdam
Special geotechnical pipe bag for dredging and solidification cofferdam

basalt grating

Product: Basalt grating Width: 1-6m can be customized Tensile strength: 40KN-160KN can be customized; Longitudinal breaking elongation: ≤4% Transverse breaking elongation: ≤4% Uses: wall reinforcement materials, reinforced cement products, Road reconstruction and widening joints between old and new pavements prevent cracks, old cement and asphalt concrete pavements are paved to prevent cracks, new inorganic bonded aggregate base layers are pre-cut to prevent cracks, and bridge decks are waterproof and crack-proof.

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    Description

    玄武岩土工格栅是以具备优越的耐碱、耐酸、耐盐水侵蚀性能的玄武岩纤维为原料,编织成格栅布,再经过沥青(胶)处理后烘干成型。玄武岩纤维沥青混凝土在常温下的弹性模量与沥青混凝土弹性模量比,具有很高的抗变形能力,断裂延伸率在3.1%左右。玄武岩纤维具有耐高温、抗冻融(-260~650℃)、与沥青混凝土热膨胀系数一致、抗拉强度高、防紫外线、耐化学稳定性好、抗老化等优点,由于沥青混合料的拌合温度高达190℃以上,因此耐高温的玄武岩纤维是替代聚酯纤维、木质素纤维的竞争优势的新材料。它既适应高达190℃沥青搅拌施工时的耐高温要求,又是增强水泥混凝土防渗抗裂的优良建筑材料。

    玄武岩格栅产品用途:

    1、墙体增强材料上(如玄武岩墙体网布、GRC墙板、EPS内外墙保板、石膏板等。

    2、增强水泥制品(如罗马柱、烟道等)。 

    3、道路改建加宽新旧路面拼接缝防裂。   

    4、旧水泥与沥青混凝土路面加铺时防裂。   

    5、新无机结合粒料基层预切缝防裂。   

    6、桥面防水防裂。 

    玄武岩格栅产品特性:
    1.超高温和超低温使用性能,防止沥青路面产生裂纹
    2.高抗拉强度
    3.无长期蠕变、热稳定性好
    4.良好的与沥青混合料的相容性
    5.物理化学性能稳定,能很好的抵御生物侵蚀和气候变化
    玄武岩格栅应用领域:
    可广泛应用于铁路、公路、运动馆、堤坝、水利、隧道、沿海滩涂、围垦、环保等工程。

    玄武岩格栅产品发展:

    玄武岩是一种基性喷出岩,其化学成分与辉长岩相似,SiO2含量变化于45%~52%之间,K2O+Na2O含量较侵入岩略高,CaO、Fe2O3+FeO、MgO含量较侵入岩略低。矿物成份主要由基性长石和辉石组成,次要矿物有橄榄石,角闪石及黑云母等,岩石均为暗色,一般为黑色,有时呈灰绿以及暗紫色等。呈斑状结构。气孔构造和杏仁构造普遍。玄武岩是地球洋壳和月球月海的最主要组成物质,也是地球陆壳和月球月陆的重要组成物质。1546年,G.阿格里科拉首次在地质文献中,用basalt这个词描述德国萨克森的黑色岩石。汉语玄武岩一词,引自日文。日本在兵库县玄武洞发现黑色橄榄玄武岩,故得名。玄武岩体积密度为2.8~3.3g/cm3,致密者压缩强度很大,可高达300MPa,有时更高,存在玻璃质及气孔时则强度有所降低。玄武岩耐久性甚高,节理多,且节理面多成六边形。且具脆性,因而不易采得大块石料,由于气孔和杏仁构造常见,虽玄武岩地表上分布广泛,但可作饰面石材不多。

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